Bump version to 0.7.0rc1

Make 2FA error message clearer

.dockerignore

@@ -2,3 +2,9 @@
 .codeclimate.yml
 *.png
 *.md
+logs
+.venv
+start
+config.yaml
+registration.yaml
+*.db

.gitignore

@@ -1,11 +1,17 @@
-.idea/
+/.idea/
 
-.venv
+/.venv
+/env/
 pip-selfcheck.json
 *.pyc
 __pycache__
+/build
+/dist
+/*.egg-info
+/.eggs
 
-config.yaml
-registration.yaml
+/config.yaml
+/registration.yaml
 *.log*
 *.db
+*.bak

.gitlab-ci.yml

@@ -0,0 +1,38 @@
+image: docker:stable
+
+stages:
+- build
+- push
+
+default:
+  before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+
+build:
+  stage: build
+  script:
+  - docker pull $CI_REGISTRY_IMAGE:latest || true
+  - docker build --pull --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA .
+  - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+
+push latest:
+  stage: push
+  only:
+  - master
+  variables:
+    GIT_STRATEGY: none
+  script:
+  - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+  - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
+  - docker push $CI_REGISTRY_IMAGE:latest
+
+push tag:
+  stage: push
+  variables:
+    GIT_STRATEGY: none
+  except:
+  - master
+  script:
+  - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+  - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+  - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME

.isort.cfg

@@ -0,0 +1,16 @@
+[settings]
+line_length=99
+indent=4
+
+multi_line_output=5
+
+sections=FUTURE,STDLIB,THIRDPARTY,TELETHON,MAUTRIX,FIRSTPARTY,LOCALFOLDER
+no_lines_before=LOCALFOLDER
+default_section=FIRSTPARTY
+
+known_thirdparty=aiohttp,sqlalchemy,alembic,commonmark,ruamel.yaml,PIL,moviepy,prometheus_client,yarl,mako,pkg_resources
+known_telethon=telethon,alchemysession,cryptg
+known_mautrix=mautrix
+
+balanced_wrapping=True
+length_sort=True

Dockerfile

@@ -1,28 +1,73 @@
-FROM docker.io/alpine:3.8
+FROM docker.io/alpine:3.10 AS lottieconverter
+
+WORKDIR /build
+
+RUN apk add --no-cache git build-base cmake \
+  && git clone https://github.com/Samsung/rlottie.git \
+  && cd rlottie \
+  && mkdir build \
+  && cd build \
+  && cmake .. \
+  && make -j2 \
+  && make install \
+  && cd ../..
+
+RUN apk add --no-cache libpng libpng-dev zlib zlib-dev \
+  && git clone https://github.com/Eramde/LottieConverter.git \
+  && cd LottieConverter \
+  && git checkout 543c1d23ac9322f4f03c7fb6612ea7d026d44ac0 \
+  && make
+
+FROM docker.io/alpine:3.10
 
 ENV UID=1337 \
     GID=1337 \
     FFMPEG_BINARY=/usr/bin/ffmpeg
 
+COPY --from=lottieconverter /usr/lib/librlottie* /usr/lib/
+COPY --from=lottieconverter /build/LottieConverter/dist/Debug/GNU-Linux/lottieconverter /usr/local/bin/lottieconverter
+
 COPY . /opt/mautrix-telegram
 WORKDIR /opt/mautrix-telegram
-RUN apk add --no-cache \
+RUN apk add --no-cache --virtual .build-deps \
       python3-dev \
+      libffi-dev \
       build-base \
+  && apk add --no-cache \
       py3-virtualenv \
       py3-pillow \
       py3-aiohttp \
-      py3-lxml \
       py3-magic \
-      py3-numpy \
-      py3-asn1crypto \
       py3-sqlalchemy \
-      py3-markdown \
       py3-psycopg2 \
+      py3-ruamel.yaml \
+      # Indirect dependencies
+      py3-idna \
+      #commonmark
+        py3-future \
+      #alembic
+        py3-mako \
+        py3-dateutil \
+        py3-markupsafe \
+      #moviepy
+        py3-decorator \
+        #py3-tqdm \
+        py3-requests \
+        #imageio
+          py3-numpy \
+      #telethon
+        py3-rsa \
+        # cryptg
+          py3-cffi \
+      # Other dependencies
       ffmpeg \
       ca-certificates \
       su-exec \
- && pip3 install -r requirements.txt -r optional-requirements.txt
+      netcat-openbsd \
+      # lottieconverter
+      zlib libpng \
+ && pip3 install .[speedups,hq_thumbnails,metrics] \
+ && apk del .build-deps
 
 VOLUME /data
 

README.md

@@ -1,4 +1,10 @@
 # mautrix-telegram
+![Languages](https://img.shields.io/github/languages/top/tulir/mautrix-telegram.svg)
+[![License](https://img.shields.io/github/license/tulir/mautrix-telegram.svg)](LICENSE)
+[![Release](https://img.shields.io/github/release/tulir/mautrix-telegram/all.svg)](https://github.com/tulir/mautrix-telegram/releases)
+[![GitLab CI](https://mau.dev/tulir/mautrix-telegram/badges/master/pipeline.svg)](https://mau.dev/tulir/mautrix-telegram/container_registry)
+[![Maintainability](https://img.shields.io/codeclimate/maintainability/tulir/mautrix-telegram.svg)](https://codeclimate.com/github/tulir/mautrix-telegram)
+
 A Matrix-Telegram hybrid puppeting/relaybot bridge.
 
 ### [Wiki](https://github.com/tulir/mautrix-telegram/wiki)

ROADMAP.md

@@ -3,6 +3,7 @@
 * Matrix → Telegram
   * [x] Message content (text, formatting, files, etc..)
   * [x] Message redactions
+  * [x] Message edits
   * [ ] ‡ Message history
   * [x] Presence
   * [x] Typing notifications
@@ -21,6 +22,10 @@
     * [ ] ‡ Changes to displayname/avatar
 * Telegram → Matrix
   * [x] Message content (text, formatting, files, etc..)
+  * [ ] Advanced message content/media
+    * [x] Polls
+	* [x] Games
+	* [ ] Buttons
   * [x] Message deletions
   * [x] Message edits
   * [ ] Message history
@@ -48,6 +53,8 @@
   * [x] Option to use bot to relay messages for unauthenticated Matrix users
   * [x] Option to use own Matrix account for messages sent from other Telegram clients
   * [ ] ‡ Calls (hard, not yet supported by Telethon)
+  * [ ] ‡ Secret chats (not yet supported by Telethon)
+  * [ ] ‡ E2EE in Matrix rooms (not yet supported 
 
 † Information not automatically sent from source, i.e. implementation may not be possible  
 ‡ Maybe, i.e. this feature may or may not be implemented at some point

alembic/env.py

@@ -7,10 +7,10 @@ from os.path import abspath, dirname
 
 sys.path.insert(0, dirname(dirname(abspath(__file__))))
 
-from mautrix_telegram.base import Base
+from mautrix.util.db import Base
+import mautrix_telegram.db
 from mautrix_telegram.config import Config
 from alchemysession import AlchemySessionContainer
-import mautrix_telegram.db
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -19,17 +19,10 @@ config = context.config
 mxtg_config_path = context.get_x_argument(as_dictionary=True).get("config", "config.yaml")
 mxtg_config = Config(mxtg_config_path, None, None)
 mxtg_config.load()
-config.set_main_option("sqlalchemy.url",
-                       mxtg_config.get("appservice.database", "sqlite:///mautrix-telegram.db"))
+config.set_main_option("sqlalchemy.url", mxtg_config["appservice.database"].replace("%", "%%"))
 
 
-class FakeDB:
-    @staticmethod
-    def query_property():
-        return None
-
-
-AlchemySessionContainer.create_table_classes(FakeDB(), "telethon_", Base)
+AlchemySessionContainer.create_table_classes(None, "telethon_", Base)
 
 # Interpret the config file for Python logging.
 # This line sets up loggers basically.

alembic/versions/17574c57f3f8_add_disable_updates_field_for_puppets.py

@@ -0,0 +1,27 @@
+"""Add disable_updates field for puppets
+
+Revision ID: 17574c57f3f8
+Revises: a9119be92164
+Create Date: 2019-05-15 00:24:46.967529
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '17574c57f3f8'
+down_revision = 'a9119be92164'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.add_column(sa.Column("disable_updates", sa.Boolean(), nullable=False,
+                                      server_default=sa.sql.expression.false()))
+
+
+def downgrade():
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.drop_column("disable_updates")

alembic/versions/1fa46383a9d3_add_is_bot_field_to_puppets.py

@@ -17,7 +17,8 @@ depends_on = None
 
 
 def upgrade():
-    op.add_column('puppet', sa.Column('is_bot', sa.Boolean(), nullable=True))
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.add_column(sa.Column('is_bot', sa.Boolean(), nullable=True))
 
 
 def downgrade():

alembic/versions/30eca60587f1_add_megagroup_field_to_portals.py

@@ -16,7 +16,8 @@ depends_on = None
 
 
 def upgrade():
-    op.add_column('portal', sa.Column('megagroup', sa.Boolean()))
+    with op.batch_alter_table("portal") as batch_op:
+        batch_op.add_column(sa.Column('megagroup', sa.Boolean()))
 
 
 def downgrade():

alembic/versions/4f7d7ed5792a_switch_mx_user_profile_to_native_enum.py

@@ -0,0 +1,25 @@
+"""Switch mx_user_profile to native enum
+
+Revision ID: 4f7d7ed5792a
+Revises: 9e9c89b0b877
+Create Date: 2019-08-04 17:47:36.568120
+
+"""
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = '4f7d7ed5792a'
+down_revision = '9e9c89b0b877'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    conn = op.get_bind()
+    conn.execute("UPDATE mx_user_profile SET membership=UPPER(membership)")
+
+
+def downgrade():
+    conn = op.get_bind()
+    conn.execute("UPDATE mx_user_profile SET membership=LOWER(membership)")

alembic/versions/6ca3d74d51e4_move_state_store_to_main_database.py

@@ -5,14 +5,16 @@ Revises: 2228d49c383f
 Create Date: 2018-06-26 21:31:26.911307
 
 """
-from alembic import context, op
-import sqlalchemy.orm as orm
-import sqlalchemy as sa
 import json
 import re
 
+from alembic import context, op
+import sqlalchemy.orm as orm
+import sqlalchemy as sa
+
+from mautrix.util.db import Base
+
 from mautrix_telegram.config import Config
-from mautrix_telegram.base import Base
 
 # revision identifiers, used by Alembic.
 revision = "6ca3d74d51e4"
@@ -22,7 +24,6 @@ depends_on = None
 
 
 class RoomState(Base):
-    query = None
     __tablename__ = "mx_room_state"
     __table_args__ = {"extend_existing": True}
 
@@ -31,7 +32,6 @@ class RoomState(Base):
 
 
 class UserProfile(Base):
-    query = None
     __tablename__ = "mx_user_profile"
     __table_args__ = {"extend_existing": True}
 
@@ -43,7 +43,6 @@ class UserProfile(Base):
 
 
 class Puppet(Base):
-    query = None
     __tablename__ = "puppet"
     __table_args__ = {"extend_existing": True}
 
@@ -57,7 +56,8 @@ class Puppet(Base):
 
 
 def upgrade():
-    op.add_column("puppet", sa.Column("matrix_registered", sa.Boolean(), nullable=False,
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.add_column(sa.Column("matrix_registered", sa.Boolean(), nullable=False,
                                       server_default=sa.sql.expression.false()))
     op.create_table("mx_room_state",
                     sa.Column("room_id", sa.String(), nullable=False),
@@ -82,7 +82,7 @@ def upgrade():
 
 def migrate_state_store():
     conn = op.get_bind()
-    session = orm.sessionmaker(bind=conn)()  # type: orm.Session
+    session: orm.Session = orm.sessionmaker(bind=conn)()
 
     try:
         with open("mx-state.json") as file:

alembic/versions/9e9c89b0b877_add_edit_index_to_messages.py

@@ -0,0 +1,48 @@
+"""Add edit index to messages
+
+Revision ID: 9e9c89b0b877
+Revises: 17574c57f3f8
+Create Date: 2019-05-29 15:28:23.128377
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '9e9c89b0b877'
+down_revision = '17574c57f3f8'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('_message_temp',
+                    sa.Column('mxid', sa.String),
+                    sa.Column('mx_room', sa.String),
+                    sa.Column('tgid', sa.Integer),
+                    sa.Column('tg_space', sa.Integer),
+                    sa.Column('edit_index', sa.Integer),
+                    sa.PrimaryKeyConstraint('tgid', 'tg_space', 'edit_index'),
+                    sa.UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room_2"))
+    c = op.get_bind()
+    c.execute("INSERT INTO _message_temp (mxid, mx_room, tgid, tg_space, edit_index) "
+              "SELECT message.mxid, message.mx_room, message.tgid, message.tg_space, 0 "
+              "FROM message")
+    c.execute("DROP TABLE message")
+    c.execute("ALTER TABLE _message_temp RENAME TO message")
+
+
+def downgrade():
+    op.create_table('_message_temp',
+                    sa.Column('mxid', sa.String),
+                    sa.Column('mx_room', sa.String),
+                    sa.Column('tgid', sa.Integer),
+                    sa.Column('tg_space', sa.Integer),
+                    sa.PrimaryKeyConstraint('tgid', 'tg_space'),
+                    sa.UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room"))
+    c = op.get_bind()
+    c.execute("INSERT INTO _message_temp (mxid, mx_room, tgid, tg_space) "
+              "SELECT message.mxid, message.mx_room, message.tgid, message.tg_space "
+              "FROM message")
+    c.execute("DROP TABLE message")
+    c.execute("ALTER TABLE _message_temp RENAME TO message")

alembic/versions/a7c04a56041b_store_custom_puppet_next_batch_in_.py

@@ -0,0 +1,26 @@
+"""Store custom puppet next_batch in database
+
+Revision ID: a7c04a56041b
+Revises: 4f7d7ed5792a
+Create Date: 2019-08-06 23:08:51.087651
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "a7c04a56041b"
+down_revision = "4f7d7ed5792a"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.add_column(sa.Column("next_batch", sa.String(), nullable=True))
+
+
+def downgrade():
+    with op.batch_alter_table("puppet") as batch_op:
+        batch_op.drop_column("next_batch")

example-config.yaml

@@ -1,9 +1,9 @@
 # Homeserver details
 homeserver:
     # The address that this appservice can use to connect to the homeserver.
-    address: https://matrix.org
+    address: https://example.com
     # The domain of the homeserver (for MXIDs, etc).
-    domain: matrix.org
+    domain: example.com
     # Whether or not to verify the SSL certificate of the homeserver.
     # Only applies if address starts with https://
     verify_ssl: true
@@ -12,11 +12,11 @@ homeserver:
 # Changing these values requires regeneration of the registration.
 appservice:
     # The address that the homeserver can use to connect to this appservice.
-    address: http://localhost:8080
+    address: http://localhost:29317
 
     # The hostname and port where this appservice should listen.
     hostname: 0.0.0.0
-    port: 8080
+    port: 29317
     # The maximum body size of appservice API requests (from the homeserver) in mebibytes
     # Usually 1 is enough, but on high-traffic bridges you might need to increase this to avoid 413s
     max_body_size: 1
@@ -27,9 +27,6 @@ appservice:
     #   SQLite:   sqlite:///filename.db
     #   Postgres: postgres://username:password@hostname/dbname
     database: sqlite:///mautrix-telegram.db
-    # Whether or not to use SQLAlchemy Core for common database actions. Use if the bridge is
-    # being bottlenecked on ORM commits. Only supported with PostgreSQL.
-    sqlalchemy_core_mode: false
 
     # Public part of web server for out-of-Matrix interaction with the bridge.
     # Used for things like login if the user wants to make sure the 2FA password isn't stored in
@@ -63,10 +60,30 @@ appservice:
     bot_displayname: Telegram bridge bot
     bot_avatar: mxc://maunium.net/tJCRmUyJDsgRNgqhOgoiHWbX
 
+    # Community ID for bridged users (changes registration file) and rooms.
+    # Must be created manually.
+    community_id: false
+
     # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
     as_token: "This value is generated when generating the registration"
     hs_token: "This value is generated when generating the registration"
 
+# Prometheus telemetry config. Requires prometheus-client to be installed.
+metrics:
+    enabled: false
+    listen_port: 8000
+
+# Manhole config.
+manhole:
+    # Whether or not opening the manhole is allowed.
+    enabled: false
+    # The path for the unix socket.
+    path: /var/tmp/mautrix-telegram.manhole
+    # The list of UIDs who can be added to the whitelist.
+    # If empty, any UIDs can be specified in the open-manhole command.
+    whitelist:
+    - 0
+
 # Bridge config
 bridge:
     # Localpart template of MXIDs for Telegram users.
@@ -97,6 +114,8 @@ bridge:
     - full name
     - username
     - phone number
+    # Maximum length of displayname
+    displayname_max_length: 100
 
     # Maximum number of members to sync per portal when starting up. Other members will be
     # synced when they send messages. The maximum is 10000, after which the Telegram server
@@ -107,9 +126,22 @@ bridge:
     # If no channel admins have logged into the bridge, the bridge won't be able to sync the member
     # list regardless of this setting.
     sync_channel_members: true
+    # Whether or not to skip deleted members when syncing members.
+    skip_deleted_members: true
+    # Whether or not to automatically synchronize contacts and chats of Matrix users logged into
+    # their Telegram account at startup.
+    startup_sync: true
+    # Number of most recently active dialogs to check when syncing chats.
+    # Set to 0 to remove limit.
+    sync_dialog_limit: 30
+    # Whether or not to sync and create portals for direct chats at startup.
+    sync_direct_chats: false
     # The maximum number of simultaneous Telegram deletions to handle.
     # A large number of simultaneous redactions could put strain on your homeserver.
     max_telegram_delete: 10
+    # Whether or not to automatically sync the Matrix room state (mostly unpuppeted displaynames)
+    # at startup and when creating a bridge.
+    sync_matrix_state: true
     # Allow logging in within Matrix. If false, the only way to log in is using the out-of-Matrix
     # login website (see appservice.public config section)
     allow_matrix_login: true
@@ -117,16 +149,58 @@ bridge:
     # Only enable this if your displayname_template has some static part that the bridge can use to
     # reliably identify what is a plaintext highlight.
     plaintext_highlights: false
-    # Highlight changed/added parts in edits. Requires lxml.
-    highlight_edits: false
     # Whether or not to make portals of publicly joinable channels/supergroups publicly joinable on Matrix.
     public_portals: true
-    # Whether or not to fetch and handle Telegram updates at startup from the time the bridge was down.
-    # Currently only works for private chats and normal groups.
-    catch_up: false
     # Whether or not to use /sync to get presence, read receipts and typing notifications when using
     # your own Matrix account as the Matrix puppet for your Telegram account.
     sync_with_custom_puppets: true
+    # Set to false to disable link previews in messages sent to Telegram.
+    telegram_link_preview: true
+    # Use inline images instead of a separate message for the caption.
+    # N.B. Inline images are not supported on all clients (e.g. Riot iOS).
+    inline_images: false
+    # Maximum size of image in megabytes before sending to Telegram as a document.
+    image_as_file_size: 10
+    # Maximum size of Telegram documents in megabytes to bridge.
+    max_document_size: 100
+    # Enable experimental parallel file transfer, which makes uploads/downloads much faster by
+    # streaming from/to Matrix and using many connections for Telegram.
+    # Note that generating HQ thumbnails for videos is not possible with streamed transfers.
+    parallel_file_transfer: false
+    # Whether or not created rooms should have federation enabled.
+    # If false, created portal rooms will never be federated.
+    federate_rooms: true
+    # Settings for converting animated stickers.
+    animated_sticker:
+        # Format to which animated stickers should be converted.
+        # disable - No conversion, send as-is (gzipped lottie)
+        # png - converts to non-animated png (fastest),
+        # gif - converts to animated gif, but loses transparency
+        # webm - converts to webm video, requires ffmpeg executable with vp9 codec and webm container support
+        target: gif
+        # Arguments for converter. All converters take width and height.
+        # GIF converter takes background as a hex color.
+        args:
+            width: 256
+            height: 256
+            background: "020202"  # only for gif
+            fps: 30               # only for webm
+
+    # Overrides for base power levels.
+    initial_power_level_overrides:
+        user: {}
+        group: {}
+
+    # Whether to bridge Telegram bot messages as m.notices or m.texts.
+    bot_messages_as_notices: true
+    bridge_notices:
+        # Whether or not Matrix bot messages (type m.notice) should be bridged.
+        default: false
+        # List of user IDs for whom the previous flag is flipped.
+        # e.g. if bridge_notices.default is false, notices from other users will not be bridged, but
+        #      notices from users listed here will be bridged.
+        exceptions:
+        - "@importantbot:example.com"
 
     # Some config options related to Telegram message deduplication.
     # The default values are usually fine, but some debug messages/warnings might recommend you
@@ -138,44 +212,30 @@ bridge:
         # You might need to increase this on high-traffic bridge instances.
         cache_queue_length: 20
 
-    # Show message editing as a reply to the original message.
-    # If this is false, message edits are not shown at all, as Matrix does not support editing yet.
-    edits_as_replies: false
-    bridge_notices:
-        # Whether or not Matrix bot messages (type m.notice) should be bridged.
-        default: false
-        # List of user IDs for whom the previous flag is flipped.
-        # e.g. if bridge_notices.default is false, notices from other users will not be bridged, but
-        #      notices from users listed here will be bridged.
-        exceptions:
-        - "@importantbot:example.com"
-    # Whether to bridge Telegram bot messages as m.notices or m.texts.
-    bot_messages_as_notices: true
-    # Use inline images instead of a separate message for the caption.
-    # N.B. Inline images are not supported on all clients (e.g. Riot iOS).
-    inline_images: false
-    # Whether to send stickers as the new native m.sticker type or normal m.images.
-    # Old versions of Riot don't support the new type at all.
-    # Remember that proper sticker support always requires Pillow to convert webp into png.
-    native_stickers: true
-
     # The formats to use when sending messages to Telegram via the relay bot.
-    #
-    # Telegram doesn't have built-in emotes, so the m.emote format is also used for non-relaybot users.
+    # Text msgtypes (m.text, m.notice and m.emote) support HTML, media msgtypes don't.
     #
     # Available variables:
-    #   $sender_displayname    - The display name of the sender (e.g. Example User)
-    #   $sender_username       - The username (Matrix ID localpart) of the sender (e.g. exampleuser)
-    #   $sender_mxid           - The Matrix ID of the sender (e.g. @exampleuser:example.com)
-    #   $message               - The message content as HTML
+    #   $sender_displayname - The display name of the sender (e.g. Example User)
+    #   $sender_username    - The username (Matrix ID localpart) of the sender (e.g. exampleuser)
+    #   $sender_mxid        - The Matrix ID of the sender (e.g. @exampleuser:example.com)
+    #   $message            - The message content
     message_formats:
         m.text: "<b>$sender_displayname</b>: $message"
+        m.notice: "<b>$sender_displayname</b>: $message"
         m.emote: "* <b>$sender_displayname</b> $message"
         m.file: "<b>$sender_displayname</b> sent a file: $message"
         m.image: "<b>$sender_displayname</b> sent an image: $message"
         m.audio: "<b>$sender_displayname</b> sent an audio file: $message"
         m.video: "<b>$sender_displayname</b> sent a video: $message"
         m.location: "<b>$sender_displayname</b> sent a location: $message"
+    # Telegram doesn't have built-in emotes, this field specifies how m.emote's from authenticated
+    # users are sent to telegram. All fields in message_formats are supported. Additionally, the
+    # Telegram user info is available in the following variables:
+    #    $displayname - Telegram displayname
+    #    $username    - Telegram username (may not exist)
+    #    $mention     - Telegram @username or displayname mention (depending on which exists)
+    emote_format: "* $mention $formatted_body"
 
     # The formats to use when sending state events to Telegram via the relay bot.
     #
@@ -223,6 +283,22 @@ bridge:
 
     # Options related to the message relay Telegram bot.
     relaybot:
+        private_chat:
+            # List of users to invite to the portal when someone starts a private chat with the bot.
+            # If empty, private chats with the bot won't create a portal.
+            invite: []
+            # Whether or not to bridge state change messages in relaybot private chats.
+            state_changes: true
+            # When private_chat_invite is empty, this message is sent to users /starting the
+            # relaybot. Telegram's "markdown" is supported.
+            message: This is a Matrix bridge relaybot and does not support direct chats
+        # List of users to invite to all group chat portals created by the bridge.
+        group_chat_invite: []
+        # Whether or not the relaybot should not bridge events in unbridged group chats.
+        # If false, portals will be created when the relaybot receives messages, just like normal
+        # users. This behavior is usually not desirable, as it interferes with manually bridging
+        # the chat to another room.
+        ignore_unbridged_group_chat: true
         # Whether or not to allow creating portals from Telegram.
         authless_portals: true
         # Whether or not to allow Telegram group admins to use the bot commands.
@@ -241,17 +317,63 @@ telegram:
     api_hash: tjyd5yge35lbodk1xwzw2jstp90k55qz
     # (Optional) Create your own bot at https://t.me/BotFather
     bot_token: disabled
+
+    # Telethon connection options.
+    connection:
+        # The timeout in seconds to be used when connecting.
+        timeout: 120
+        # How many times the reconnection should retry, either on the initial connection or when
+        # Telegram disconnects us. May be set to a negative or null value for infinite retries, but
+        # this is not recommended, since the program can get stuck in an infinite loop.
+        retries: 5
+        # The delay in seconds to sleep between automatic reconnections.
+        retry_delay: 1
+        # The threshold below which the library should automatically sleep on flood wait errors
+        # (inclusive). For instance, if a FloodWaitError for 17s occurs and flood_sleep_threshold
+        # is 20s, the library will sleep automatically. If the error was for 21s, it would raise
+        # the error instead. Values larger than a day (86400) will be changed to a day.
+        flood_sleep_threshold: 60
+        # How many times a request should be retried. Request are retried when Telegram is having
+        # internal issues, when there is a FloodWaitError less than flood_sleep_threshold, or when
+        # there's a migrate error. May take a negative or null value for infinite retries, but this
+        # is not recommended, since some requests can always trigger a call fail (such as searching
+        # for messages).
+        request_retries: 5
+
+    # Device info sent to Telegram.
+    device_info:
+        # "auto" = OS name+version.
+        device_model: auto
+        # "auto" = Telethon version.
+        system_version: auto
+        # "auto" = mautrix-telegram version.
+        app_version: auto
+        lang_code: en
+        system_lang_code: en
+
+    # Custom server to connect to.
+    server:
+        # Set to true to use these server settings. If false, will automatically
+        # use production server assigned by Telegram. Set to false in production.
+        enabled: false
+        # The DC ID to connect to.
+        dc: 2
+        # The IP to connect to.
+        ip: 149.154.167.40
+        # The port to connect to. 443 may not work, 80 is better and both are equally secure.
+        port: 80
+
     # Telethon proxy configuration.
     # You must install PySocks from pip for proxies to work.
     proxy:
-        # Allowed types: disabled, socks4, socks5, http
+        # Allowed types: disabled, socks4, socks5, http, mtproxy
         type: disabled
         # Proxy IP address and port.
         address: 127.0.0.1
         port: 1080
-        # Whether or not to perform DNS resolving remotely.
+        # Whether or not to perform DNS resolving remotely. Only for socks/http proxies.
         rdns: true
-        # Proxy authentication (optional).
+        # Proxy authentication (optional). Put MTProxy secret in password field.
         username: ""
         password: ""
 
@@ -262,18 +384,21 @@ telegram:
 logging:
     version: 1
     formatters:
-        precise:
+        colored:
+            (): mautrix_telegram.util.ColorFormatter
+            format: "[%(asctime)s] [%(levelname)s@%(name)s] %(message)s"
+        normal:
             format: "[%(asctime)s] [%(levelname)s@%(name)s] %(message)s"
     handlers:
         file:
             class: logging.handlers.RotatingFileHandler
-            formatter: precise
+            formatter: normal
             filename: ./mautrix-telegram.log
             maxBytes: 10485760
             backupCount: 10
         console:
             class: logging.StreamHandler
-            formatter: precise
+            formatter: colored
     loggers:
         mau:
             level: DEBUG

helm/mautrix-telegram/.editorconfig

@@ -0,0 +1,2 @@
+[*.{yaml,yml}]
+indent_size = 2

helm/mautrix-telegram/.gitignore

@@ -0,0 +1 @@
+charts/*

helm/mautrix-telegram/.helmignore

@@ -0,0 +1,22 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

helm/mautrix-telegram/Chart.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+name: mautrix-telegram
+version: 0.1.0
+appVersion: "0.7.0"
+description: A Matrix-Telegram hybrid puppeting/relaybot bridge.
+keywords:
+  - matrix
+  - bridge
+  - telegram
+maintainers:
+  - name: Tulir Asokan
+    email: tulir@maunium.net
+sources:
+  - https://github.com/tulir/mautrix-telegram

helm/mautrix-telegram/requirements.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: postgresql
+  repository: https://kubernetes-charts.storage.googleapis.com/
+  version: 6.5.0
+digest: sha256:85139e9d4207e49c11c5f84d7920d0135cffd3d427f3f3638d4e51258990de2a
+generated: "2019-10-23T22:11:37.005827507+03:00"

helm/mautrix-telegram/requirements.yaml

@@ -0,0 +1,5 @@
+dependencies:
+  - name: postgresql
+    version: 6.5.0
+    repository: https://kubernetes-charts.storage.googleapis.com/
+    condition: postgresql.enabled

helm/mautrix-telegram/templates/NOTES.txt

@@ -0,0 +1,21 @@
+Your registration file is below. Save it into a YAML file and give the path to that file to synapse:
+
+id: {{ .Values.appservice.id }}
+as_token: {{ .Values.appservice.asToken }}
+hs_token: {{ .Values.appservice.hsToken }}
+namespaces:
+    users:
+        - exclusive: true
+          regex: "@{{ .Values.bridge.username_template | replace "{userid}" ".+"}}:{{ .Values.homeserver.domain }}"
+          {{- if .Values.appservice.communityID }}
+          group_id: {{ .Values.appservice.communityID }}
+          {{- end }}
+    aliases:
+        - exclusive: true
+          regex: "@{{ .Values.bridge.alias_template | replace "{groupname}" ".+"}}:{{ .Values.homeserver.domain }}"
+          {{- if .Values.appservice.communityID }}
+          group_id: {{ .Values.appservice.communityID }}
+          {{- end }}
+url: {{ .Values.appservice.address }}
+sender_localpart: {{ .Values.appservice.botUsername }}
+rate_limited: false

helm/mautrix-telegram/templates/_helpers.tpl

@@ -0,0 +1,55 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "mautrix-telegram.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "mautrix-telegram.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "mautrix-telegram.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "mautrix-telegram.labels" -}}
+app.kubernetes.io/name: {{ include "mautrix-telegram.name" . }}
+helm.sh/chart: {{ include "mautrix-telegram.chart" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "mautrix-telegram.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "mautrix-telegram.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

helm/mautrix-telegram/templates/configmap.yaml

@@ -0,0 +1,57 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "mautrix-telegram.fullname" . }}
+  labels:
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    app.kubernetes.io/name: {{ template "mautrix-telegram.name" . }}
+data:
+  config.yaml: |
+    homeserver:
+      address: {{ .Values.homeserver.address }}
+      domain: {{ .Values.homeserver.domain }}
+      verify_ssl: {{ .Values.homeserver.verifySSL }}
+
+    appservice:
+      address: http://{{ include "mautrix-telegram.fullname" . }}:{{ .Values.service.port }}
+
+      hostname: 0.0.0.0
+      port: {{ .Values.service.port }}
+      max_body_size: {{ .Values.appservice.maxBodySize }}
+
+      {{- if .Values.postgresql.enabled }}
+      database: "postgres://postgres:{{ .Values.postgresql.postgresqlPassword }}@{{ .Release.Name }}-postgresql/{{ .Values.postgresql.postgresqlDatabase }}"
+      {{- else }}
+      database: {{ .Values.appservice.database | quote }}
+      {{- end }}
+
+      public:
+        {{- toYaml .Values.appservice.public | nindent 8 }}
+
+      provisioning:
+        {{- toYaml .Values.appservice.provisioning | nindent 8 }}
+
+      id: {{ .Values.appservice.id }}
+      bot_username: {{ .Values.appservice.botUsername }}
+      bot_displayname: {{ .Values.appservice.botDisplayname }}
+      bot_avatar:  {{ .Values.appservice.botAvatar }}
+
+      community_id: {{ .Values.appservice.communityID }}
+
+      as_token: {{ .Values.appservice.asToken }}
+      hs_token: {{ .Values.appservice.hsToken }}
+
+    metrics:
+      {{- toYaml .Values.metrics | nindent 6 }}
+
+    bridge:
+      {{- toYaml .Values.bridge | nindent 6 }}
+
+    telegram:
+      {{- toYaml .Values.telegram | nindent 6 }}
+
+    logging:
+      {{- toYaml .Values.logging | nindent 6 }}
+  registration.yaml: ""

helm/mautrix-telegram/templates/deployment.yaml

@@ -0,0 +1,69 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "mautrix-telegram.fullname" . }}
+  labels:
+    {{- include "mautrix-telegram.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "mautrix-telegram.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    {{- if .Values.podAnnotations }}
+    annotations:
+      {{- toYaml .Values.podAnnotations | nindent 6 }}
+    {{- end }}
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "mautrix-telegram.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      serviceAccountName: {{ template "mautrix-telegram.serviceAccountName" . }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          volumeMounts:
+            - mountPath: /data
+              name: config-volume
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /_matrix/mau/live
+              port: http
+            initialDelaySeconds: 60
+            periodSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /_matrix/mau/ready
+              port: http
+            initialDelaySeconds: 60
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      volumes:
+        - name: config-volume
+          configMap:
+            name: {{ template "mautrix-telegram.fullname" . }}
+
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

helm/mautrix-telegram/templates/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "mautrix-telegram.fullname" . }}
+  labels:
+{{ include "mautrix-telegram.labels" . | indent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "mautrix-telegram.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}

helm/mautrix-telegram/templates/serviceaccount.yaml

@@ -0,0 +1,8 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "mautrix-telegram.serviceAccountName" . }}
+  labels:
+{{ include "mautrix-telegram.labels" . | indent 4 }}
+{{- end -}}

helm/mautrix-telegram/values.yaml

@@ -0,0 +1,140 @@
+image:
+  repository: dock.mau.dev/tulir/mautrix-telegram
+  tag: latest
+  pullPolicy: IfNotPresent
+
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name:
+
+service:
+  type: ClusterIP
+  port: 29317
+
+resources: {}
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+# Postgres pod configs
+postgresql:
+  enabled: true
+  postgresqlDatabase: mxtg
+  persistence:
+    size: 2Gi
+  resources:
+    requests:
+      memory: 256Mi
+      cpu: 100m
+
+# Homeserver details
+homeserver:
+  # The address that this appservice can use to connect to the homeserver.
+  address: https://example.com
+  # The domain of the homeserver (for MXIDs, etc).
+  domain: example.com
+  # Whether or not to verify the SSL certificate of the homeserver.
+  # Only applies if address starts with https://
+  verifySSL: true
+
+# Application service host/registration related details
+# Changing these values requires regeneration of the registration.
+appservice:
+  # The maximum body size of appservice API requests (from the homeserver) in mebibytes
+  # Usually 1 is enough, but on high-traffic bridges you might need to increase this to avoid 413s
+  maxBodySize: 1
+
+  # Public part of web server for out-of-Matrix interaction with the bridge.
+  # Used for things like login if the user wants to make sure the 2FA password isn't stored in
+  # the HS database.
+  public:
+    # Whether or not the public-facing endpoints should be enabled.
+    enabled: true
+    # The prefix to use in the public-facing endpoints.
+    prefix: /public
+    # The base URL where the public-facing endpoints are available. The prefix is not added
+    # implicitly.
+    external: https://example.com/public
+
+  # Provisioning API part of the web server for automated portal creation and fetching information.
+  # Used by things like Dimension (https://dimension.t2bot.io/).
+  provisioning:
+    # Whether or not the provisioning API should be enabled.
+    enabled: true
+    # The prefix to use in the provisioning API endpoints.
+    prefix: /_matrix/provision/v1
+    # The shared secret to authorize users of the API.
+    shared_secret: SET TO RANDOM STRING
+
+  id: telegram
+  botUsername: telegrambot
+  # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
+  # to leave display name/avatar as-is.
+  botDisplayname: Telegram bridge bot
+  botAvatar: mxc://maunium.net/tJCRmUyJDsgRNgqhOgoiHWbX
+
+  # Community ID for bridged users (changes registration file) and rooms.
+  # Must be created manually.
+  communityID: false
+
+  # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
+  asToken: SET TO RANDOM STRING
+  hsToken: SET TO RANDOM STRING
+
+# The keys below can be used to override the configs in the base config:
+# https://github.com/tulir/mautrix-telegram/blob/master/example-config.yaml
+# Note that the "appservice" and "homeserver" sections are above and slightly different than the base.
+
+# Bridge config
+bridge:
+  # Localpart template of MXIDs for Telegram users.
+  # {userid} is replaced with the user ID of the Telegram user.
+  username_template: "telegram_{userid}"
+  # Localpart template of room aliases for Telegram portal rooms.
+  # {groupname} is replaced with the name part of the public channel/group invite link ( https://t.me/{} )
+  alias_template: "telegram_{groupname}"
+
+  # Permissions for using the bridge.
+  # Permitted values:
+  #   relaybot - Only use the bridge via the relaybot, no access to commands.
+  #       user - Relaybot level + access to commands to create bridges.
+  #  puppeting - User level + logging in with a Telegram account.
+  #       full - Full access to use the bridge, i.e. previous levels + Matrix login.
+  #      admin - Full access to use the bridge and some extra administration commands.
+  # Permitted keys:
+  #        * - All Matrix users
+  #   domain - All users on that homeserver
+  #     mxid - Specific user
+  permissions:
+    "*": "relaybot"
+    "public.example.com": "user"
+    "example.com": "full"
+    "@admin:example.com": "admin"
+
+# Prometheus telemetry config.
+metrics:
+  enabled: false
+  listen_port: 8000
+
+# Telegram config
+telegram:
+  # Get your own API keys at https://my.telegram.org/apps
+  api_id: 12345
+  api_hash: tjyd5yge35lbodk1xwzw2jstp90k55qz
+  # (Optional) Create your own bot at https://t.me/BotFather
+  # bot_token: 123456789:

mautrix_telegram/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "0.4.0rc2"
+__version__ = "0.7.0rc1"
 __author__ = "Tulir Asokan <tulir@maunium.net>"

mautrix_telegram/__main__.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,130 +13,99 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Coroutine, List
-import argparse
-import asyncio
-import logging.config
-import sys
-import copy
-import signal
+from typing import Optional
+from itertools import chain
 
-from sqlalchemy import orm
-import sqlalchemy as sql
-
-from mautrix_appservice import AppService
 from alchemysession import AlchemySessionContainer
 
+from mautrix.bridge import Bridge
+from mautrix.util.db import Base
+
 from .web.provisioning import ProvisioningAPI
 from .web.public import PublicBridgeWebsite
+from .commands.manhole import ManholeState
 from .abstract_user import init as init_abstract_user
-from .base import Base
-from .bot import init as init_bot
+from .bot import Bot, init as init_bot
 from .config import Config
 from .context import Context
 from .db import init as init_db
 from .formatter import init as init_formatter
 from .matrix import MatrixHandler
 from .portal import init as init_portal
-from .puppet import init as init_puppet
+from .puppet import Puppet, init as init_puppet
 from .sqlstatestore import SQLStateStore
 from .user import User, init as init_user
 from . import __version__
 
-parser = argparse.ArgumentParser(
-    description="A Matrix-Telegram puppeting bridge.",
-    prog="python -m mautrix-telegram")
-parser.add_argument("-c", "--config", type=str, default="config.yaml",
-                    metavar="<path>", help="the path to your config file")
-parser.add_argument("-b", "--base-config", type=str, default="example-config.yaml",
-                    metavar="<path>", help="the path to the example config "
-                                           "(for automatic config updates)")
-parser.add_argument("-g", "--generate-registration", action="store_true",
-                    help="generate registration and quit")
-parser.add_argument("-r", "--registration", type=str, default="registration.yaml",
-                    metavar="<path>", help="the path to save the generated registration to")
-args = parser.parse_args()
+try:
+    import prometheus_client as prometheus
+except ImportError:
+    prometheus = None
 
-config = Config(args.config, args.registration, args.base_config)
-config.load()
-config.update()
 
-if args.generate_registration:
-    config.generate_registration()
-    config.save()
-    print(f"Registration generated and saved to {config.registration_path}")
-    sys.exit(0)
+class TelegramBridge(Bridge):
+    name = "mautrix-telegram"
+    command = "python -m mautrix-telegram"
+    description = "A Matrix-Telegram puppeting bridge."
+    real_user_content_key = "net.maunium.telegram.puppet"
+    version = __version__
+    config_class = Config
+    matrix_class = MatrixHandler
+    state_store_class = SQLStateStore
 
-logging.config.dictConfig(copy.deepcopy(config["logging"]))
-log = logging.getLogger("mau.init")  # type: logging.Logger
-log.debug(f"Initializing mautrix-telegram {__version__}")
+    config: Config
+    session_container: AlchemySessionContainer
+    bot: Bot
+    manhole: Optional[ManholeState]
 
-db_engine = sql.create_engine(config["appservice.database"] or "sqlite:///mautrix-telegram.db")
-db_factory = orm.sessionmaker(bind=db_engine)
-db_session = orm.scoping.scoped_session(db_factory)
-Base.metadata.bind = db_engine
+    def prepare_db(self) -> None:
+        super().prepare_db()
+        init_db(self.db)
+        self.session_container = AlchemySessionContainer(
+            engine=self.db, table_base=Base, session=False,
+            table_prefix="telethon_", manage_tables=False)
 
-session_container = AlchemySessionContainer(engine=db_engine, session=db_session,
-                                            table_base=Base, table_prefix="telethon_",
-                                            manage_tables=False)
-if config["appservice.sqlalchemy_core_mode"]:
-    try:
-        session_container.core_mode = True
-    except AttributeError:
-        log.error("Current version of teleton-session-sqlalchemy does not support core mode")
+    def _prepare_website(self, context: Context) -> None:
+        if self.config["appservice.public.enabled"]:
+            public_website = PublicBridgeWebsite(self.loop)
+            self.az.app.add_subapp(self.config["appservice.public.prefix"], public_website.app)
+            context.public_website = public_website
 
-loop = asyncio.get_event_loop()  # type: asyncio.AbstractEventLoop
+        if self.config["appservice.provisioning.enabled"]:
+            provisioning_api = ProvisioningAPI(context)
+            self.az.app.add_subapp(self.config["appservice.provisioning.prefix"],
+                                   provisioning_api.app)
+            context.provisioning_api = provisioning_api
 
-state_store = SQLStateStore(db_session)
-mebibyte = 1024 ** 2
-appserv = AppService(config["homeserver.address"], config["homeserver.domain"],
-                     config["appservice.as_token"], config["appservice.hs_token"],
-                     config["appservice.bot_username"], log="mau.as", loop=loop,
-                     verify_ssl=config["homeserver.verify_ssl"], state_store=state_store,
-                     real_user_content_key="net.maunium.telegram.puppet",
-                     aiohttp_params={
-                         "client_max_size": config["appservice.max_body_size"] * mebibyte
-                     })
+        if self.config["metrics.enabled"]:
+            if prometheus:
+                prometheus.start_http_server(self.config["metrics.listen_port"])
+            else:
+                self.log.warning("Metrics are enabled in the config, "
+                                 "but prometheus_client is not installed.")
 
-context = Context(appserv, db_session, config, loop, session_container)
+    def prepare_bridge(self) -> None:
+        self.bot = init_bot(self.config)
+        context = Context(self.az, self.config, self.loop, self.session_container, self, self.bot)
+        self._prepare_website(context)
+        self.matrix = context.mx = MatrixHandler(context)
+        self.manhole = None
 
-if config["appservice.public.enabled"]:
-    public_website = PublicBridgeWebsite(loop)
-    appserv.app.add_subapp(config["appservice.public.prefix"] or "/public", public_website.app)
-    context.public_website = public_website
+        init_abstract_user(context)
+        init_formatter(context)
+        init_portal(context)
+        puppet_startup = init_puppet(context)
+        user_startup = init_user(context)
+        bot_startup = [self.bot.start()] if self.bot else []
+        self.startup_actions = chain(puppet_startup, user_startup, bot_startup)
 
-if config["appservice.provisioning.enabled"]:
-    provisioning_api = ProvisioningAPI(context)
-    appserv.app.add_subapp(config["appservice.provisioning.prefix"] or "/_matrix/provisioning",
-                           provisioning_api.app)
-    context.provisioning_api = provisioning_api
+    def prepare_stop(self) -> None:
+        for puppet in Puppet.by_custom_mxid.values():
+            puppet.stop()
+        self.shutdown_actions = (user.stop() for user in User.by_tgid.values())
+        if self.manhole:
+            self.manhole.close()
+            self.manhole = None
 
-with appserv.run(config["appservice.hostname"], config["appservice.port"]) as start:
-    init_db(db_session, db_engine)
-    init_abstract_user(context)
-    context.bot = init_bot(context)
-    context.mx = MatrixHandler(context)
-    init_formatter(context)
-    init_portal(context)
-    startup_actions = (init_puppet(context) +
-                       init_user(context) +
-                       [start,
-                        context.mx.init_as_bot()])  # type: List[Coroutine]
 
-    if context.bot:
-        startup_actions.append(context.bot.start())
-
-    signal.signal(signal.SIGINT, signal.default_int_handler)
-    signal.signal(signal.SIGTERM, signal.default_int_handler)
-
-    try:
-        log.debug("Initialization complete, running startup actions")
-        loop.run_until_complete(asyncio.gather(*startup_actions, loop=loop))
-        log.debug("Startup actions complete, now running forever")
-        loop.run_forever()
-    except KeyboardInterrupt:
-        log.debug("Interrupt received, stopping clients")
-        loop.run_until_complete(
-            asyncio.gather(*[user.stop() for user in User.by_tgid.values()], loop=loop))
-        log.debug("Clients stopped, shutting down")
-        sys.exit(0)
+TelegramBridge().run()

mautrix_telegram/abstract_user.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,28 +13,33 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Tuple, Optional, List, Union, TYPE_CHECKING
+from typing import Tuple, Optional, Union, Dict, Type, Any, TYPE_CHECKING
 from abc import ABC, abstractmethod
 import asyncio
 import logging
 import platform
+import time
 
-from sqlalchemy import orm
-from telethon.tl.types import Channel, ChannelForbidden, Chat, ChatForbidden, Message, \
-    MessageActionChannelMigrateFrom, MessageService, PeerUser, TypeUpdate, \
-    UpdateChannelPinnedMessage, UpdateChatAdmins, UpdateChatParticipantAdmin, \
-    UpdateChatParticipants, UpdateChatUserTyping, UpdateDeleteChannelMessages, \
-    UpdateDeleteMessages, UpdateEditChannelMessage, UpdateEditMessage, UpdateNewChannelMessage, \
-    UpdateNewMessage, UpdateReadHistoryOutbox, UpdateShortChatMessage, UpdateShortMessage, \
-    UpdateUserName, UpdateUserPhoto, UpdateUserStatus, UpdateUserTyping, User, UserStatusOffline, \
-    UserStatusOnline
+from telethon.sessions import Session
+from telethon.network import (ConnectionTcpMTProxyRandomizedIntermediate, ConnectionTcpFull,
+                              Connection)
+from telethon.tl.patched import MessageService, Message
+from telethon.tl.types import (
+    Channel, Chat, MessageActionChannelMigrateFrom, PeerUser, TypeUpdate, UpdateChatPinnedMessage,
+    UpdateChannelPinnedMessage, UpdateChatParticipantAdmin, UpdateChatParticipants,
+    UpdateChatUserTyping, UpdateDeleteChannelMessages, UpdateNewMessage, UpdateDeleteMessages,
+    UpdateEditChannelMessage, UpdateEditMessage, UpdateNewChannelMessage, UpdateReadHistoryOutbox,
+    UpdateShortChatMessage, UpdateShortMessage, UpdateUserName, UpdateUserPhoto, UpdateUserStatus,
+    UpdateUserTyping, User, UserStatusOffline, UserStatusOnline)
 
-from mautrix_appservice import MatrixRequestError, AppService
+from mautrix.types import UserID, PresenceState
+from mautrix.errors import MatrixError
+from mautrix.appservice import AppService
 from alchemysession import AlchemySessionContainer
 
 from . import portal as po, puppet as pu, __version__
 from .db import Message as DBMessage
-from .types import TelegramID, MatrixUserID
+from .types import TelegramID
 from .tgclient import MautrixTelegramClient
 
 if TYPE_CHECKING:
@@ -43,72 +47,129 @@ if TYPE_CHECKING:
     from .config import Config
     from .bot import Bot
 
-config = None  # type: Config
+config: Optional['Config'] = None
 # Value updated from config in init()
-MAX_DELETIONS = 10  # type: int
+MAX_DELETIONS: int = 10
 
 UpdateMessage = Union[UpdateShortChatMessage, UpdateShortMessage, UpdateNewChannelMessage,
                       UpdateNewMessage, UpdateEditMessage, UpdateEditChannelMessage]
 UpdateMessageContent = Union[UpdateShortMessage, UpdateShortChatMessage, Message, MessageService]
 
+try:
+    from prometheus_client import Histogram
+
+    UPDATE_TIME = Histogram("telegram_update", "Time spent processing Telegram updates",
+                            ["update_type"])
+except ImportError:
+    Histogram = None
+    UPDATE_TIME = None
+
 
 class AbstractUser(ABC):
-    session_container = None  # type: AlchemySessionContainer
-    loop = None  # type: asyncio.AbstractEventLoop
-    log = None  # type: logging.Logger
-    db = None  # type: orm.Session
-    az = None  # type: AppService
-    bot = None  # type: Bot
-    ignore_incoming_bot_events = True  # type: bool
+    session_container: AlchemySessionContainer = None
+    loop: asyncio.AbstractEventLoop = None
+    log: logging.Logger
+    az: AppService
+    relaybot: Optional['Bot']
+    ignore_incoming_bot_events: bool = True
+
+    client: Optional[MautrixTelegramClient]
+    mxid: Optional[UserID]
+
+    tgid: Optional[TelegramID]
+    username: Optional['str']
+    is_bot: bool
+
+    is_relaybot: bool
+
+    puppet_whitelisted: bool
+    whitelisted: bool
+    relaybot_whitelisted: bool
+    matrix_puppet_whitelisted: bool
+    is_admin: bool
 
     def __init__(self) -> None:
-        self.is_admin = False  # type: bool
-        self.matrix_puppet_whitelisted = False  # type: bool
-        self.puppet_whitelisted = False  # type: bool
-        self.whitelisted = False  # type: bool
-        self.relaybot_whitelisted = False  # type: bool
-        self.client = None  # type: MautrixTelegramClient
-        self.tgid = None  # type: TelegramID
-        self.mxid = None  # type: MatrixUserID
-        self.is_relaybot = False  # type: bool
-        self.is_bot = False  # type: bool
-        self.relaybot = None  # type: Optional[Bot]
+        self.is_admin = False
+        self.matrix_puppet_whitelisted = False
+        self.puppet_whitelisted = False
+        self.whitelisted = False
+        self.relaybot_whitelisted = False
+        self.client = None
+        self.is_relaybot = False
+        self.is_bot = False
+        self.relaybot = None
 
     @property
     def connected(self) -> bool:
         return self.client and self.client.is_connected()
 
     @property
-    def _proxy_settings(self) -> Optional[Tuple[int, str, str, str, str, str]]:
+    def _proxy_settings(self) -> Tuple[Type[Connection], Optional[Tuple[Any, ...]]]:
         proxy_type = config["telegram.proxy.type"].lower()
+        connection = ConnectionTcpFull
+        connection_data = (config["telegram.proxy.address"],
+                           config["telegram.proxy.port"],
+                           config["telegram.proxy.rdns"],
+                           config["telegram.proxy.username"],
+                           config["telegram.proxy.password"])
         if proxy_type == "disabled":
-            return None
+            connection_data = None
         elif proxy_type == "socks4":
-            proxy_type = 1
+            connection_data = (1,) + connection_data
         elif proxy_type == "socks5":
-            proxy_type = 2
+            connection_data = (2,) + connection_data
         elif proxy_type == "http":
-            proxy_type = 3
+            connection_data = (3,) + connection_data
+        elif proxy_type == "mtproxy":
+            connection = ConnectionTcpMTProxyRandomizedIntermediate
+            connection_data = (connection_data[0], connection_data[1], connection_data[4])
 
-        return (proxy_type,
-                config["telegram.proxy.address"], config["telegram.proxy.port"],
-                config["telegram.proxy.rdns"],
-                config["telegram.proxy.username"], config["telegram.proxy.password"])
+        return connection, connection_data
 
     def _init_client(self) -> None:
         self.log.debug(f"Initializing client for {self.name}")
-        device = f"{platform.system()} {platform.release()}"
-        sysversion = MautrixTelegramClient.__version__
+
         self.session = self.session_container.new_session(self.name)
-        self.client = MautrixTelegramClient(session=self.session,
-                                            api_id=config["telegram.api_id"],
-                                            api_hash=config["telegram.api_hash"],
-                                            loop=self.loop,
-                                            app_version=__version__,
-                                            system_version=sysversion,
-                                            device_model=device,
-                                            timeout=120,
-                                            proxy=self._proxy_settings)
+        if config["telegram.server.enabled"]:
+            self.session.set_dc(config["telegram.server.dc"],
+                                config["telegram.server.ip"],
+                                config["telegram.server.port"])
+
+        if self.is_relaybot:
+            base_logger = logging.getLogger("telethon.relaybot")
+        else:
+            base_logger = logging.getLogger(f"telethon.{self.tgid or -hash(self.mxid)}")
+
+        device = config["telegram.device_info.device_model"]
+        sysversion = config["telegram.device_info.system_version"]
+        appversion = config["telegram.device_info.app_version"]
+        connection, proxy = self._proxy_settings
+
+        assert isinstance(self.session, Session)
+
+        self.client = MautrixTelegramClient(
+            session=self.session,
+
+            api_id=config["telegram.api_id"],
+            api_hash=config["telegram.api_hash"],
+
+            app_version=__version__ if appversion == "auto" else appversion,
+            system_version=(MautrixTelegramClient.__version__
+                            if sysversion == "auto" else sysversion),
+            device_model=(f"{platform.system()} {platform.release()}"
+                          if device == "auto" else device),
+
+            timeout=config["telegram.connection.timeout"],
+            connection_retries=config["telegram.connection.retries"],
+            retry_delay=config["telegram.connection.retry_delay"],
+            flood_sleep_threshold=config["telegram.connection.flood_sleep_threshold"],
+            request_retries=config["telegram.connection.request_retries"],
+            connection=connection,
+            proxy=proxy,
+
+            loop=self.loop,
+            base_logger=base_logger
+        )
         self.client.add_event_handler(self._update_catch)
 
     @abstractmethod
@@ -128,20 +189,14 @@ class AbstractUser(ABC):
         raise NotImplementedError()
 
     async def _update_catch(self, update: TypeUpdate) -> None:
+        start_time = time.time()
         try:
             if not await self.update(update):
                 await self._update(update)
         except Exception:
-            self.log.exception("Failed to handle Telegram update")
-
-    async def get_dialogs(self, limit: int = None) -> List[Union[Chat, Channel]]:
-        if self.is_bot:
-            return []
-        dialogs = await self.client.get_dialogs(limit=limit)
-        return [dialog.entity for dialog in dialogs if (
-            not isinstance(dialog.entity, (User, ChatForbidden, ChannelForbidden))
-            and not (isinstance(dialog.entity, Chat)
-                     and (dialog.entity.deactivated or dialog.entity.left)))]
+            self.log.exception(f"Failed to handle Telegram update {update}")
+        if UPDATE_TIME:
+            UPDATE_TIME.labels(update_type=type(update).__name__).observe(time.time() - start_time)
 
     @property
     @abstractmethod
@@ -149,7 +204,8 @@ class AbstractUser(ABC):
         raise NotImplementedError()
 
     async def is_logged_in(self) -> bool:
-        return self.client and self.client.is_connected() and await self.client.is_user_authorized()
+        return (self.client and self.client.is_connected()
+                and await self.client.is_user_authorized())
 
     async def has_full_access(self, allow_bot: bool = False) -> bool:
         return (self.puppet_whitelisted
@@ -160,20 +216,15 @@ class AbstractUser(ABC):
         if not self.client:
             self._init_client()
         await self.client.connect()
-        self.log.debug("%s connected: %s", self.mxid, self.connected)
+        self.log.debug(f"{'Bot' if self.is_relaybot else self.mxid} connected: {self.connected}")
         return self
 
     async def ensure_started(self, even_if_no_session=False) -> 'AbstractUser':
-        if not self.puppet_whitelisted:
+        if self.connected:
             return self
-        self.log.debug("ensure_started(%s, connected=%s, even_if_no_session=%s, session_count=%s)",
-                       self.mxid, self.connected, even_if_no_session,
-                       self.session_container.Session.query.filter(
-                           self.session_container.Session.session_id == self.mxid).count())
-        should_connect = (even_if_no_session or
-                          self.session_container.Session.query.filter(
-                              self.session_container.Session.session_id == self.mxid).count() > 0)
-        if not self.connected and should_connect:
+        if even_if_no_session or self.session_container.has_session(self.mxid):
+            self.log.debug("Starting client due to ensure_started"
+                           f"(even_if_no_session={even_if_no_session})")
             await self.start(delete_unless_authenticated=not even_if_no_session)
         return self
 
@@ -184,6 +235,8 @@ class AbstractUser(ABC):
     # region Telegram update handling
 
     async def _update(self, update: TypeUpdate) -> None:
+        asyncio.ensure_future(self._handle_entity_updates(getattr(update, "_entities", {})),
+                              loop=self.loop)
         if isinstance(update, (UpdateShortChatMessage, UpdateShortMessage, UpdateNewChannelMessage,
                                UpdateNewMessage, UpdateEditMessage, UpdateEditChannelMessage)):
             await self.update_message(update)
@@ -195,11 +248,11 @@ class AbstractUser(ABC):
             await self.update_typing(update)
         elif isinstance(update, UpdateUserStatus):
             await self.update_status(update)
-        elif isinstance(update, (UpdateChatAdmins, UpdateChatParticipantAdmin)):
+        elif isinstance(update, UpdateChatParticipantAdmin):
             await self.update_admin(update)
         elif isinstance(update, UpdateChatParticipants):
             await self.update_participants(update)
-        elif isinstance(update, UpdateChannelPinnedMessage):
+        elif isinstance(update, (UpdateChannelPinnedMessage, UpdateChatPinnedMessage)):
             await self.update_pinned_messages(update)
         elif isinstance(update, (UpdateUserName, UpdateUserPhoto)):
             await self.update_others_info(update)
@@ -208,11 +261,14 @@ class AbstractUser(ABC):
         else:
             self.log.debug("Unhandled update: %s", update)
 
-    @staticmethod
-    async def update_pinned_messages(update: UpdateChannelPinnedMessage) -> None:
-        portal = po.Portal.get_by_tgid(TelegramID(update.channel_id))
+    async def update_pinned_messages(self, update: Union[UpdateChannelPinnedMessage,
+                                                         UpdateChatPinnedMessage]) -> None:
+        if isinstance(update, UpdateChatPinnedMessage):
+            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id))
+        else:
+            portal = po.Portal.get_by_tgid(TelegramID(update.channel_id))
         if portal and portal.mxid:
-            await portal.receive_telegram_pin_id(update.id)
+            await portal.receive_telegram_pin_id(update.id, self.tgid)
 
     @staticmethod
     async def update_participants(update: UpdateChatParticipants) -> None:
@@ -230,32 +286,26 @@ class AbstractUser(ABC):
             return
 
         # We check that these are user read receipts, so tg_space is always the user ID.
-        message = DBMessage.get_by_tgid(update.max_id, self.tgid)
+        message = DBMessage.get_one_by_tgid(TelegramID(update.max_id), self.tgid, edit_index=-1)
         if not message:
             return
 
         puppet = pu.Puppet.get(TelegramID(update.peer.user_id))
         await puppet.intent.mark_read(portal.mxid, message.mxid)
 
-    async def update_admin(self,
-                           update: Union[UpdateChatAdmins, UpdateChatParticipantAdmin]) -> None:
+    async def update_admin(self, update: UpdateChatParticipantAdmin) -> None:
         # TODO duplication not checked
-        portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
+        portal = po.Portal.get_by_tgid(TelegramID(update.chat_id))
         if not portal or not portal.mxid:
             return
 
-        if isinstance(update, UpdateChatAdmins):
-            await portal.set_telegram_admins_enabled(update.enabled)
-        elif isinstance(update, UpdateChatParticipantAdmin):
-            await portal.set_telegram_admin(TelegramID(update.user_id))
-        else:
-            self.log.warning("Unexpected admin status update: %s", update)
+        await portal.set_telegram_admin(TelegramID(update.user_id))
 
     async def update_typing(self, update: Union[UpdateUserTyping, UpdateChatUserTyping]) -> None:
         if isinstance(update, UpdateUserTyping):
             portal = po.Portal.get_by_tgid(TelegramID(update.user_id), self.tgid, "user")
         else:
-            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
+            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id))
 
         if not portal or not portal.mxid:
             return
@@ -263,14 +313,25 @@ class AbstractUser(ABC):
         sender = pu.Puppet.get(TelegramID(update.user_id))
         await portal.handle_telegram_typing(sender, update)
 
+    async def _handle_entity_updates(self, entities: Dict[int, Union[User, Chat, Channel]]
+                                     ) -> None:
+        try:
+            users = (entity for entity in entities.values() if isinstance(entity, User))
+            puppets = ((pu.Puppet.get(TelegramID(user.id)), user) for user in users)
+            await asyncio.gather(*[puppet.try_update_info(self, info)
+                                   for puppet, info in puppets if puppet])
+        except Exception:
+            self.log.exception("Failed to handle entity updates")
+
     async def update_others_info(self, update: Union[UpdateUserName, UpdateUserPhoto]) -> None:
         # TODO duplication not checked
         puppet = pu.Puppet.get(TelegramID(update.user_id))
         if isinstance(update, UpdateUserName):
+            puppet.username = update.username
             if await puppet.update_displayname(self, update):
                 puppet.save()
         elif isinstance(update, UpdateUserPhoto):
-            if await puppet.update_avatar(self, update.photo.photo_big):
+            if await puppet.update_avatar(self, update.photo):
                 puppet.save()
         else:
             self.log.warning("Unexpected other user info update: %s", update)
@@ -278,9 +339,9 @@ class AbstractUser(ABC):
     async def update_status(self, update: UpdateUserStatus) -> None:
         puppet = pu.Puppet.get(TelegramID(update.user_id))
         if isinstance(update.status, UserStatusOnline):
-            await puppet.default_mxid_intent.set_presence("online")
+            await puppet.default_mxid_intent.set_presence(PresenceState.ONLINE)
         elif isinstance(update.status, UserStatusOffline):
-            await puppet.default_mxid_intent.set_presence("offline")
+            await puppet.default_mxid_intent.set_presence(PresenceState.OFFLINE)
         else:
             self.log.warning("Unexpected user status update: %s", update)
         return
@@ -289,7 +350,9 @@ class AbstractUser(ABC):
                                                                   Optional[pu.Puppet],
                                                                   Optional[po.Portal]]:
         if isinstance(update, UpdateShortChatMessage):
-            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
+            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id))
+            if not portal:
+                self.log.warning(f"Received message in chat with unknown type {update.chat_id}")
             sender = pu.Puppet.get(TelegramID(update.from_id))
         elif isinstance(update, UpdateShortMessage):
             portal = po.Portal.get_by_tgid(TelegramID(update.user_id), self.tgid, "user")
@@ -310,54 +373,56 @@ class AbstractUser(ABC):
         return update, sender, portal
 
     @staticmethod
-    async def _try_redact(portal: po.Portal, message: DBMessage) -> None:
+    async def _try_redact(message: DBMessage) -> None:
+        portal = po.Portal.get_by_mxid(message.mx_room)
         if not portal:
             return
         try:
             await portal.main_intent.redact(message.mx_room, message.mxid)
-        except MatrixRequestError:
+        except MatrixError:
             pass
 
     async def delete_message(self, update: UpdateDeleteMessages) -> None:
         if len(update.messages) > MAX_DELETIONS:
             return
 
-        for message in update.messages:
-            message = DBMessage.get_by_tgid(TelegramID(message), self.tgid)
-            if not message:
-                continue
-            message.delete()
-            number_left = DBMessage.count_spaces_by_mxid(message.mxid, message.mx_room)
-            if number_left == 0:
-                portal = po.Portal.get_by_mxid(message.mx_room)
-                await self._try_redact(portal, message)
-        self.db.commit()
+        for message_id in update.messages:
+            for message in DBMessage.get_all_by_tgid(TelegramID(message_id), self.tgid):
+                message.delete()
+                number_left = DBMessage.count_spaces_by_mxid(message.mxid, message.mx_room)
+                if number_left == 0:
+                    await self._try_redact(message)
 
     async def delete_channel_message(self, update: UpdateDeleteChannelMessages) -> None:
         if len(update.messages) > MAX_DELETIONS:
             return
 
-        portal = po.Portal.get_by_tgid(TelegramID(update.channel_id))
-        if not portal:
-            return
+        channel_id = TelegramID(update.channel_id)
 
-        for message in update.messages:
-            message = DBMessage.get_by_tgid(TelegramID(message), portal.tgid)
-            if not message:
-                continue
-            message.delete()
-            await self._try_redact(portal, message)
-        self.db.commit()
+        for message_id in update.messages:
+            for message in DBMessage.get_all_by_tgid(TelegramID(message_id), channel_id):
+                message.delete()
+                await self._try_redact(message)
 
     async def update_message(self, original_update: UpdateMessage) -> None:
         update, sender, portal = self.get_message_details(original_update)
-
-        if self.is_bot and not portal.mxid:
-            self.log.debug(f"Ignoring message received by bot in unbridged chat %s",
-                           portal.tgid_log)
+        if not portal:
+            return
+        elif portal and not portal.allow_bridging:
+            self.log.debug(f"Ignoring message in portal {portal.tgid_log} (bridging disallowed)")
             return
 
-        if self.ignore_incoming_bot_events and self.bot and sender.id == self.bot.tgid:
+        if self.is_relaybot:
+            if update.is_private:
+                if not config["bridge.relaybot.private_chat.invite"]:
+                    self.log.debug(f"Ignoring private message to bot from {sender.id}")
+                    return
+            elif not portal.mxid and config["bridge.relaybot.ignore_unbridged_group_chat"]:
+                self.log.debug("Ignoring message received by bot"
+                               f" in unbridged chat {portal.tgid_log}")
+                return
+
+        if self.ignore_incoming_bot_events and self.relaybot and sender.id == self.relaybot.tgid:
             self.log.debug(f"Ignoring relaybot-sent message %s to %s", update, portal.tgid_log)
             return
 
@@ -371,22 +436,16 @@ class AbstractUser(ABC):
                            sender.id)
             return await portal.handle_telegram_action(self, sender, update)
 
-        user = sender.tgid if sender else "admin"
         if isinstance(original_update, (UpdateEditMessage, UpdateEditChannelMessage)):
-            if config["bridge.edits_as_replies"]:
-                self.log.debug("Handling edit %s to %s by %s", update, portal.tgid_log, user)
-                return await portal.handle_telegram_edit(self, sender, update)
-            return
-
-        self.log.debug("Handling message %s to %s by %s", update, portal.tgid_log, user)
+            return await portal.handle_telegram_edit(self, sender, update)
         return await portal.handle_telegram_message(self, sender, update)
 
     # endregion
 
 
-def init(context: "Context") -> None:
+def init(context: 'Context') -> None:
     global config, MAX_DELETIONS
-    AbstractUser.az, AbstractUser.db, config, AbstractUser.loop, AbstractUser.relaybot = context.core
+    AbstractUser.az, config, AbstractUser.loop, AbstractUser.relaybot = context.core
     AbstractUser.ignore_incoming_bot_events = config["bridge.relaybot.ignore_own_incoming_events"]
     AbstractUser.session_container = context.session_container
     MAX_DELETIONS = config.get("bridge.max_telegram_delete", 10)

mautrix_telegram/base.py

@@ -1,2 +0,0 @@
-from sqlalchemy.ext.declarative import declarative_base
-Base = declarative_base()  # type: declarative_base

mautrix_telegram/bot.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,50 +13,67 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Awaitable, Callable, Dict, List, Optional, Pattern, TYPE_CHECKING
+from typing import Awaitable, Callable, Dict, List, Optional, Tuple, TYPE_CHECKING
 import logging
-import re
 
+from telethon.tl.patched import Message, MessageService
 from telethon.tl.types import (
     ChannelParticipantAdmin, ChannelParticipantCreator, ChatForbidden, ChatParticipantAdmin,
-    ChatParticipantCreator, InputChannel, InputUser, Message, MessageActionChatAddUser,
-    MessageActionChatDeleteUser, MessageEntityBotCommand, MessageService, PeerChannel, PeerChat,
-    TypePeer, UpdateNewChannelMessage, UpdateNewMessage)
+    ChatParticipantCreator, InputChannel, InputUser, MessageActionChatAddUser, PeerUser,
+    MessageActionChatDeleteUser, MessageEntityBotCommand, PeerChannel, PeerChat, TypePeer,
+    UpdateNewChannelMessage, UpdateNewMessage, MessageActionChatMigrateTo, User)
 from telethon.tl.functions.messages import GetChatsRequest, GetFullChatRequest
 from telethon.tl.functions.channels import GetChannelsRequest, GetParticipantRequest
 from telethon.errors import ChannelInvalidError, ChannelPrivateError
 
-from .types import MatrixUserID
+from mautrix.types import UserID
+
 from .abstract_user import AbstractUser
 from .db import BotChat
+from .types import TelegramID
 from . import puppet as pu, portal as po, user as u
 
 if TYPE_CHECKING:
     from .config import Config
-    from .context import Context
 
-config = None  # type: Config
+config: Optional['Config'] = None
 
 ReplyFunc = Callable[[str], Awaitable[Message]]
 
 
 class Bot(AbstractUser):
-    log = logging.getLogger("mau.bot")  # type: logging.Logger
-    mxid_regex = re.compile("@.+:.+")  # type: Pattern
+    log: logging.Logger = logging.getLogger("mau.user.bot")
+
+    token: str
+    chats: Dict[int, str]
+    tg_whitelist: List[int]
+    whitelist_group_admins: bool
+    _me_info: Optional[User]
+    _me_mxid: Optional[UserID]
 
     def __init__(self, token: str) -> None:
         super().__init__()
-        self.token = token  # type: str
-        self.puppet_whitelisted = True  # type: bool
-        self.whitelisted = True  # type: bool
-        self.relaybot_whitelisted = True  # type: bool
-        self.username = None  # type: str
-        self.is_relaybot = True  # type: bool
-        self.is_bot = True  # type: bool
-        self.chats = {chat.id: chat.type for chat in BotChat.query.all()}  # type: Dict[int, str]
-        self.tg_whitelist = []  # type: List[int]
+        self.token = token
+        self.tgid = None
+        self.mxid = None
+        self.puppet_whitelisted = True
+        self.whitelisted = True
+        self.relaybot_whitelisted = True
+        self.username = None
+        self.is_relaybot = True
+        self.is_bot = True
+        self.chats = {}
+        self.tg_whitelist = []
         self.whitelist_group_admins = (config["bridge.relaybot.whitelist_group_admins"]
-                                       or False)  # type: bool
+                                       or False)
+        self._me_info = None
+        self._me_mxid = None
+
+    async def get_me(self, use_cache: bool = True) -> Tuple[User, UserID]:
+        if not use_cache or not self._me_mxid:
+            self._me_info = await self.client.get_me()
+            self._me_mxid = pu.Puppet.get_mxid_from_id(TelegramID(self._me_info.id))
+        return self._me_info, self._me_mxid
 
     async def init_permissions(self) -> None:
         whitelist = config["bridge.relaybot.whitelist"] or []
@@ -72,6 +88,7 @@ class Bot(AbstractUser):
                 self.tg_whitelist.append(user_id)
 
     async def start(self, delete_unless_authenticated: bool = False) -> 'Bot':
+        self.chats = {chat.id: chat.type for chat in BotChat.all()}
         await super().start(delete_unless_authenticated)
         if not await self.is_logged_in():
             await self.client.sign_in(bot_token=self.token)
@@ -81,7 +98,7 @@ class Bot(AbstractUser):
     async def post_login(self) -> None:
         await self.init_permissions()
         info = await self.client.get_me()
-        self.tgid = info.id
+        self.tgid = TelegramID(info.id)
         self.username = info.username
         self.mxid = pu.Puppet.get_mxid_from_id(self.tgid)
 
@@ -89,22 +106,16 @@ class Bot(AbstractUser):
         response = await self.client(GetChatsRequest(chat_ids))
         for chat in response.chats:
             if isinstance(chat, ChatForbidden) or chat.left or chat.deactivated:
-                self.remove_chat(chat.id)
+                self.remove_chat(TelegramID(chat.id))
 
-        channel_ids = [InputChannel(chat_id, 0)
+        channel_ids = (InputChannel(chat_id, 0)
                        for chat_id, chat_type in self.chats.items()
-                       if chat_type == "channel"]
+                       if chat_type == "channel")
         for channel_id in channel_ids:
             try:
                 await self.client(GetChannelsRequest([channel_id]))
             except (ChannelPrivateError, ChannelInvalidError):
-                self.remove_chat(channel_id.channel_id)
-
-        if config["bridge.catch_up"]:
-            try:
-                await self.client.catch_up()
-            except Exception:
-                self.log.exception("Failed to run catch_up() for bot")
+                self.remove_chat(TelegramID(channel_id.channel_id))
 
     def register_portal(self, portal: po.Portal) -> None:
         self.add_chat(portal.tgid, portal.peer_type)
@@ -112,23 +123,19 @@ class Bot(AbstractUser):
     def unregister_portal(self, portal: po.Portal) -> None:
         self.remove_chat(portal.tgid)
 
-    def add_chat(self, chat_id: int, chat_type: str) -> None:
+    def add_chat(self, chat_id: TelegramID, chat_type: str) -> None:
         if chat_id not in self.chats:
             self.chats[chat_id] = chat_type
-            self.db.add(BotChat(id=chat_id, type=chat_type))
-            self.db.commit()
+            BotChat(id=TelegramID(chat_id), type=chat_type).insert()
 
-    def remove_chat(self, chat_id: int) -> None:
+    def remove_chat(self, chat_id: TelegramID) -> None:
         try:
             del self.chats[chat_id]
         except KeyError:
             pass
-        existing_chat = BotChat.query.get(chat_id)
-        if existing_chat:
-            self.db.delete(existing_chat)
-            self.db.commit()
+        BotChat.delete_by_id(chat_id)
 
-    async def _can_use_commands(self, chat: TypePeer, tgid: int) -> bool:
+    async def _can_use_commands(self, chat: TypePeer, tgid: TelegramID) -> bool:
         if tgid in self.tg_whitelist:
             return True
 
@@ -150,16 +157,16 @@ class Bot(AbstractUser):
         return False
 
     async def check_can_use_commands(self, event: Message, reply: ReplyFunc) -> bool:
-        if not await self._can_use_commands(event.to_id, event.from_id):
+        if not await self._can_use_commands(event.to_id, TelegramID(event.from_id)):
             await reply("You do not have the permission to use that command.")
             return False
         return True
 
-    async def handle_command_portal(self, portal: po.Portal, reply: ReplyFunc) -> None:
+    async def handle_command_portal(self, portal: po.Portal, reply: ReplyFunc) -> Message:
         if not config["bridge.relaybot.authless_portals"]:
             return await reply("This bridge doesn't allow portal creation from Telegram.")
 
-        if not portal.allow_bridging():
+        if not portal.allow_bridging:
             return await reply("This bridge doesn't allow bridging this chat.")
 
         await portal.create_matrix_room(self)
@@ -172,15 +179,15 @@ class Bot(AbstractUser):
                     "Portal is not public. Use `/invite <mxid>` to get an invite.")
 
     async def handle_command_invite(self, portal: po.Portal, reply: ReplyFunc,
-                                    mxid_input: MatrixUserID) -> Message:
+                                    mxid_input: UserID) -> Message:
         if len(mxid_input) == 0:
             return await reply("Usage: `/invite <mxid>`")
         elif not portal.mxid:
             return await reply("Portal does not have Matrix room. "
                                "Create one with /portal first.")
-        if not self.mxid_regex.match(mxid_input):
+        if mxid_input[0] != '@' or mxid_input.find(':') < 2:
             return await reply("That doesn't look like a Matrix ID.")
-        user = await u.User.get_by_mxid(MatrixUserID(mxid_input)).ensure_started()
+        user = await u.User.get_by_mxid(mxid_input).ensure_started()
         if not user.relaybot_whitelisted:
             return await reply("That user is not whitelisted to use the bridge.")
         elif await user.is_logged_in():
@@ -188,7 +195,7 @@ class Bot(AbstractUser):
             return await reply("That user seems to be logged in. "
                                f"Just invite [{displayname}](tg://user?id={user.tgid})")
         else:
-            await portal.main_intent.invite(portal.mxid, user.mxid)
+            await portal.main_intent.invite_user(portal.mxid, user.mxid)
             return await reply(f"Invited `{user.mxid}` to the portal.")
 
     @staticmethod
@@ -197,7 +204,12 @@ class Bot(AbstractUser):
         # chat is a normal group or a supergroup/channel when using the ID.
         if isinstance(message.to_id, PeerChannel):
             return reply(f"-100{message.to_id.channel_id}")
-        return reply(str(-message.to_id.chat_id))
+        elif isinstance(message.to_id, PeerChat):
+            return reply(str(-message.to_id.chat_id))
+        elif isinstance(message.to_id, PeerUser):
+            return reply(f"Your user ID is {message.from_id}.")
+        else:
+            return reply("Failed to find chat ID.")
 
     def match_command(self, text: str, command: str) -> bool:
         text = text.lower()
@@ -214,14 +226,23 @@ class Bot(AbstractUser):
 
         return False
 
-    async def handle_command(self, message: Message) -> None:
+    async def handle_command(self, message: Message) -> Optional[bool]:
         def reply(reply_text: str) -> Awaitable[Message]:
-            return self.client.send_message(message.to_id, reply_text, reply_to=message.id)
+            return self.client.send_message(message.chat_id, reply_text, reply_to=message.id)
 
         text = message.message
 
-        if self.match_command(text, "id"):
-            return await self.handle_command_id(message, reply)
+        if self.match_command(text, "start"):
+            pcm = config["bridge.relaybot.private_chat.message"]
+            if not pcm:
+                return True
+            await reply(pcm)
+            return
+        elif self.match_command(text, "id"):
+            await self.handle_command_id(message, reply)
+            return
+        elif message.is_private:
+            return
 
         portal = po.Portal.get_by_entity(message.to_id)
 
@@ -236,15 +257,15 @@ class Bot(AbstractUser):
                 mxid = text[text.index(" ") + 1:]
             except ValueError:
                 mxid = ""
-            await self.handle_command_invite(portal, reply, mxid_input=mxid)
+            await self.handle_command_invite(portal, reply, mxid_input=UserID(mxid))
 
     def handle_service_message(self, message: MessageService) -> None:
-        to_id = message.to_id
-        if isinstance(to_id, PeerChannel):
-            to_id = to_id.channel_id
+        to_peer = message.to_id
+        if isinstance(to_peer, PeerChannel):
+            to_id = TelegramID(to_peer.channel_id)
             chat_type = "channel"
-        elif isinstance(to_id, PeerChat):
-            to_id = to_id.chat_id
+        elif isinstance(to_peer, PeerChat):
+            to_id = TelegramID(to_peer.chat_id)
             chat_type = "chat"
         else:
             return
@@ -254,6 +275,9 @@ class Bot(AbstractUser):
             self.add_chat(to_id, chat_type)
         elif isinstance(action, MessageActionChatDeleteUser) and action.user_id == self.tgid:
             self.remove_chat(to_id)
+        elif isinstance(action, MessageActionChatMigrateTo):
+            self.remove_chat(to_id)
+            self.add_chat(TelegramID(action.channel_id), "channel")
 
     async def update(self, update) -> bool:
         if not isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage)):
@@ -266,8 +290,7 @@ class Bot(AbstractUser):
                       and update.message.entities and len(update.message.entities) > 0
                       and isinstance(update.message.entities[0], MessageEntityBotCommand))
         if is_command:
-            await self.handle_command(update.message)
-            return True
+            return not await self.handle_command(update.message)
         return False
 
     def is_in_chat(self, peer_id) -> bool:
@@ -278,9 +301,9 @@ class Bot(AbstractUser):
         return "bot"
 
 
-def init(context: 'Context') -> Optional[Bot]:
+def init(cfg: 'Config') -> Optional[Bot]:
     global config
-    config = context.config
+    config = cfg
     token = config["telegram.bot_token"]
     if token and not token.lower().startswith("disable"):
         return Bot(token)

mautrix_telegram/commands/__init__.py

@@ -1,5 +1,8 @@
-from .handler import (command_handler, command_handlers as _command_handlers,
-                      CommandHandler, CommandProcessor, CommandEvent,
-                      SECTION_GENERAL, SECTION_AUTH, SECTION_CREATING_PORTALS,
-                      SECTION_PORTAL_MANAGEMENT, SECTION_MISC, SECTION_ADMIN)
-from . import clean_rooms, auth, meta, telegram, portal
+from .handler import (command_handler, CommandHandler, CommandProcessor, CommandEvent,
+                      SECTION_AUTH, SECTION_CREATING_PORTALS, SECTION_PORTAL_MANAGEMENT,
+                      SECTION_MISC, SECTION_ADMIN)
+from . import portal, telegram, clean_rooms, matrix_auth, manhole
+
+__all__ = ["command_handler", "CommandHandler", "CommandProcessor", "CommandEvent",
+           "SECTION_AUTH", "SECTION_MISC", "SECTION_ADMIN", "SECTION_CREATING_PORTALS",
+           "SECTION_PORTAL_MANAGEMENT"]

mautrix_telegram/commands/clean_rooms.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,41 +13,41 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, List, NewType, Optional, Tuple, Union
+from typing import List, NamedTuple, Tuple, Union
 
-from mautrix_appservice import MatrixRequestError, IntentAPI
+from mautrix.appservice import IntentAPI
+from mautrix.errors import MatrixRequestError
+from mautrix.types import RoomID, UserID, EventID
 
-from ..types import MatrixRoomID, MatrixUserID
 from . import command_handler, CommandEvent, SECTION_ADMIN
 from .. import puppet as pu, portal as po
 
-ManagementRoom = NewType('ManagementRoom', Tuple[MatrixRoomID, MatrixUserID])
+ManagementRoom = NamedTuple('ManagementRoom', room_id=RoomID, user_id=UserID)
 
 
-async def _find_rooms(intent: IntentAPI) -> Tuple[List[ManagementRoom], List[MatrixRoomID],
+async def _find_rooms(intent: IntentAPI) -> Tuple[List[ManagementRoom], List[RoomID],
                                                   List['po.Portal'], List['po.Portal']]:
-    management_rooms = []  # type: List[ManagementRoom]
-    unidentified_rooms = []  # type: List[MatrixRoomID]
-    portals = []  # type: List[po.Portal]
-    empty_portals = []  # type: List[po.Portal]
+    management_rooms: List[ManagementRoom] = []
+    unidentified_rooms: List[RoomID] = []
+    portals: List[po.Portal] = []
+    empty_portals: List[po.Portal] = []
 
     rooms = await intent.get_joined_rooms()
-    for room_str in rooms:
-        room = MatrixRoomID(room_str)
-        portal = po.Portal.get_by_mxid(room)
+    for room_id in rooms:
+        portal = po.Portal.get_by_mxid(room_id)
         if not portal:
             try:
-                members = await intent.get_room_members(room)
+                members = await intent.get_room_members(room_id)
             except MatrixRequestError:
                 members = []
             if len(members) == 2:
-                other_member = MatrixUserID(members[0] if members[0] != intent.mxid else members[1])
+                other_member = members[0] if members[0] != intent.mxid else members[1]
                 if pu.Puppet.get_id_from_mxid(other_member):
-                    unidentified_rooms.append(room)
+                    unidentified_rooms.append(room_id)
                 else:
-                    management_rooms.append(ManagementRoom((room, other_member)))
+                    management_rooms.append(ManagementRoom(room_id, other_member))
             else:
-                unidentified_rooms.append(room)
+                unidentified_rooms.append(room_id)
         else:
             members = await portal.get_authenticated_matrix_users()
             if len(members) == 0:
@@ -62,7 +61,7 @@ async def _find_rooms(intent: IntentAPI) -> Tuple[List[ManagementRoom], List[Mat
 @command_handler(needs_admin=True, needs_auth=False, management_only=True, name="clean-rooms",
                  help_section=SECTION_ADMIN,
                  help_text="Clean up unused portal/management rooms.")
-async def clean_rooms(evt: CommandEvent) -> Optional[Dict]:
+async def clean_rooms(evt: CommandEvent) -> EventID:
     management_rooms, unidentified_rooms, portals, empty_portals = await _find_rooms(evt.az.intent)
 
     reply = ["#### Management rooms (M)"]
@@ -70,7 +69,7 @@ async def clean_rooms(evt: CommandEvent) -> Optional[Dict]:
                for n, (room, other_member) in enumerate(management_rooms)]
               or ["No management rooms found."])
     reply.append("#### Active portal rooms (A)")
-    reply += ([f"{n+1}. [P{n+1}](https://matrix.to/#/{portal.mxid}) "
+    reply += ([f"{n+1}. [A{n+1}](https://matrix.to/#/{portal.mxid}) "
                f"(to Telegram chat \"{portal.title}\")"
                for n, portal in enumerate(portals)]
               or ["No active portal rooms found."])
@@ -79,7 +78,7 @@ async def clean_rooms(evt: CommandEvent) -> Optional[Dict]:
                for n, room in enumerate(unidentified_rooms)]
               or ["No unidentified rooms found."])
     reply.append("#### Inactive portal rooms (I)")
-    reply += ([f"{n}. [E{n}](https://matrix.to/#/{portal.mxid}) "
+    reply += ([f"{n}. [I{n}](https://matrix.to/#/{portal.mxid}) "
                f"(to Telegram chat \"{portal.title}\")"
                for n, portal in enumerate(empty_portals)]
               or ["No inactive portal rooms found."])
@@ -93,7 +92,7 @@ async def clean_rooms(evt: CommandEvent) -> Optional[Dict]:
               "",
               ("To clean specific rooms, type `$cmdprefix+sp clean-range <range>` "
                "where `range` is the range (e.g. `5-21`) prefixed with the first letter of"
-               "the group name."),
+               "the group name. (e.g. `I2-6`)"),
               "",
               ("Please note that you will have to re-run `$cmdprefix+sp clean-rooms` "
                "between each use of the commands above.")]
@@ -108,17 +107,17 @@ async def clean_rooms(evt: CommandEvent) -> Optional[Dict]:
 
 
 async def set_rooms_to_clean(evt, management_rooms: List[ManagementRoom],
-                             unidentified_rooms: List[MatrixRoomID], portals: List["po.Portal"],
+                             unidentified_rooms: List[RoomID], portals: List["po.Portal"],
                              empty_portals: List["po.Portal"]) -> None:
     command = evt.args[0]
-    rooms_to_clean = []  # type: List[Union[po.Portal, MatrixRoomID]]
+    rooms_to_clean: List[Union[po.Portal, RoomID]] = []
     if command == "clean-recommended":
         rooms_to_clean += empty_portals
         rooms_to_clean += unidentified_rooms
     elif command == "clean-groups":
         if len(evt.args) < 2:
             return await evt.reply("**Usage:** `$cmdprefix+sp clean-groups [M][A][U][I]")
-        groups_to_clean = evt.args[1]
+        groups_to_clean = evt.args[1].upper()
         if "M" in groups_to_clean:
             rooms_to_clean += [room_id for (room_id, user_id) in management_rooms]
         if "A" in groups_to_clean:
@@ -156,11 +155,11 @@ async def set_rooms_to_clean(evt, management_rooms: List[ManagementRoom],
         "next": lambda confirm: execute_room_cleanup(confirm, rooms_to_clean),
         "action": "Room cleaning",
     }
-    await evt.reply(f"To confirm cleaning up {len(rooms_to_clean)} rooms, type"
+    await evt.reply(f"To confirm cleaning up {len(rooms_to_clean)} rooms, type "
                     "`$cmdprefix+sp confirm-clean`.")
 
 
-async def execute_room_cleanup(evt, rooms_to_clean: List[Union[po.Portal, MatrixRoomID]]) -> None:
+async def execute_room_cleanup(evt, rooms_to_clean: List[Union[po.Portal, RoomID]]) -> None:
     if len(evt.args) > 0 and evt.args[0] == "confirm-clean":
         await evt.reply(f"Cleaning {len(rooms_to_clean)} rooms. "
                         "This might take a while.")
@@ -169,7 +168,7 @@ async def execute_room_cleanup(evt, rooms_to_clean: List[Union[po.Portal, Matrix
             if isinstance(room, po.Portal):
                 await room.cleanup_and_delete()
                 cleaned += 1
-            elif isinstance(room, str):  # str is aliased by MatrixRoomID
+            else:
                 await po.Portal.cleanup_room(evt.az.intent, room, message="Room deleted")
                 cleaned += 1
         evt.sender.command_status = None

mautrix_telegram/commands/handler.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,21 +13,24 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Awaitable, Callable, Dict, List, NamedTuple, Optional
-import commonmark
-import logging
+"""This module contains classes handling commands issued by Matrix users."""
+from typing import Awaitable, Callable, List, Optional, NamedTuple, Any
 
 from telethon.errors import FloodWaitError
 
-from ..types import MatrixRoomID
+from mautrix.types import RoomID, EventID, MessageEventContent
+from mautrix.bridge.commands import (HelpSection, CommandEvent as BaseCommandEvent,
+                                     CommandHandler as BaseCommandHandler,
+                                     CommandProcessor as BaseCommandProcessor,
+                                     CommandHandlerFunc, command_handler as base_command_handler)
+
 from ..util import format_duration
 from .. import user as u, context as c
 
-command_handlers = {}  # type: Dict[str, CommandHandler]
+HelpCacheKey = NamedTuple('HelpCacheKey',
+                          is_management=bool, is_portal=bool, puppet_whitelisted=bool,
+                          matrix_puppet_whitelisted=bool, is_admin=bool, is_logged_in=bool)
 
-HelpSection = NamedTuple('HelpSection', [('name', str), ('order', int), ('description', str)])
-
-SECTION_GENERAL = HelpSection("General", 0, "")
 SECTION_AUTH = HelpSection("Authentication", 10, "")
 SECTION_CREATING_PORTALS = HelpSection("Creating portals", 20, "")
 SECTION_PORTAL_MANAGEMENT = HelpSection("Portal management", 30, "")
@@ -36,73 +38,41 @@ SECTION_MISC = HelpSection("Miscellaneous", 40, "")
 SECTION_ADMIN = HelpSection("Administration", 50, "")
 
 
-class HtmlEscapingRenderer(commonmark.HtmlRenderer):
-    def __init__(self, allow_html: bool = False):
-        super().__init__()
-        self.allow_html = allow_html
+class CommandEvent(BaseCommandEvent):
+    sender: u.User
 
-    def lit(self, s):
-        if self.allow_html:
-            return super().lit(s)
-        return super().lit(s.replace("<", "&lt;").replace(">", "&gt;"))
-
-    def image(self, node, entering):
-        prev = self.allow_html
-        self.allow_html = True
-        super().image(node, entering)
-        self.allow_html = prev
-
-
-md_parser = commonmark.Parser()
-md_renderer = HtmlEscapingRenderer()
-
-
-class CommandEvent:
-    def __init__(self, processor: 'CommandProcessor', room: MatrixRoomID, sender: u.User,
-                 command: str, args: List[str], is_management: bool, is_portal: bool) -> None:
-        self.az = processor.az
-        self.log = processor.log
-        self.loop = processor.loop
+    def __init__(self, processor: 'CommandProcessor', room_id: RoomID, event_id: EventID,
+                 sender: u.User, command: str, args: List[str], content: MessageEventContent,
+                 is_management: bool, is_portal: bool) -> None:
+        super().__init__(processor, room_id, event_id, sender, command, args, content,
+                         is_management, is_portal)
+        self.bridge = processor.bridge
         self.tgbot = processor.tgbot
         self.config = processor.config
         self.public_website = processor.public_website
-        self.command_prefix = processor.command_prefix
-        self.room_id = room
-        self.sender = sender
-        self.command = command
-        self.args = args
-        self.is_management = is_management
-        self.is_portal = is_portal
 
-    def reply(self, message: str, allow_html: bool = False, render_markdown: bool = True
-              ) -> Awaitable[Dict]:
-        message = message.replace("$cmdprefix+sp ",
-                                  "" if self.is_management else f"{self.command_prefix} ")
-        message = message.replace("$cmdprefix", self.command_prefix)
-        html = None
-        if render_markdown:
-            md_renderer.allow_html = allow_html
-            html = md_renderer.render(md_parser.parse(message))
-        elif allow_html:
-            html = message
-        return self.az.intent.send_notice(self.room_id, message, html=html)
+    async def get_help_key(self) -> HelpCacheKey:
+        return HelpCacheKey(self.is_management, self.is_portal, self.sender.puppet_whitelisted,
+                            self.sender.matrix_puppet_whitelisted, self.sender.is_admin,
+                            await self.sender.is_logged_in())
 
 
-class CommandHandler:
-    def __init__(self, handler: Callable[[CommandEvent], Awaitable[Dict]], needs_auth: bool,
-                 needs_puppeting: bool, needs_matrix_puppeting: bool, needs_admin: bool,
+class CommandHandler(BaseCommandHandler):
+    name: str
+
+    management_only: bool
+    needs_auth: bool
+    needs_puppeting: bool
+    needs_matrix_puppeting: bool
+    needs_admin: bool
+
+    def __init__(self, handler: Callable[[CommandEvent], Awaitable[EventID]],
                  management_only: bool, name: str, help_text: str, help_args: str,
-                 help_section: HelpSection) -> None:
-        self._handler = handler
-        self.needs_auth = needs_auth
-        self.needs_puppeting = needs_puppeting
-        self.needs_matrix_puppeting = needs_matrix_puppeting
-        self.needs_admin = needs_admin
-        self.management_only = management_only
-        self.name = name
-        self._help_text = help_text
-        self._help_args = help_args
-        self.help_section = help_section
+                 help_section: HelpSection, needs_auth: bool, needs_puppeting: bool,
+                 needs_matrix_puppeting: bool, needs_admin: bool) -> None:
+        super().__init__(handler, management_only, name, help_text, help_args, help_section,
+                         needs_auth=needs_auth, needs_puppeting=needs_puppeting,
+                         needs_matrix_puppeting=needs_matrix_puppeting, needs_admin=needs_admin)
 
     async def get_permission_error(self, evt: CommandEvent) -> Optional[str]:
         if self.management_only and not evt.is_management:
@@ -118,84 +88,41 @@ class CommandHandler:
             return "This command requires you to be logged in."
         return None
 
-    def has_permission(self, is_management: bool, puppet_whitelisted: bool,
-                       matrix_puppet_whitelisted: bool, is_admin: bool, is_logged_in: bool) -> bool:
-        return ((not self.management_only or is_management) and
-                (not self.needs_puppeting or puppet_whitelisted) and
-                (not self.needs_matrix_puppeting or matrix_puppet_whitelisted) and
-                (not self.needs_admin or is_admin) and
-                (not self.needs_auth or is_logged_in))
-
-    async def __call__(self, evt: CommandEvent
-                       ) -> Dict:
-        error = await self.get_permission_error(evt)
-        if error is not None:
-            return await evt.reply(error)
-        return await self._handler(evt)
-
-    @property
-    def has_help(self) -> bool:
-        return bool(self.help_section) and bool(self._help_text)
-
-    @property
-    def help(self) -> str:
-        return f"**{self.name}** {self._help_args} - {self._help_text}"
+    def has_permission(self, key: HelpCacheKey) -> bool:
+        return ((not self.management_only or key.is_management) and
+                (not self.needs_puppeting or key.puppet_whitelisted) and
+                (not self.needs_matrix_puppeting or key.matrix_puppet_whitelisted) and
+                (not self.needs_admin or key.is_admin) and
+                (not self.needs_auth or key.is_logged_in))
 
 
-def command_handler(_func: Optional[Callable[[CommandEvent], Awaitable[Dict]]] = None, *,
-                    needs_auth: bool = True,
-                    needs_puppeting: bool = True,
-                    needs_matrix_puppeting: bool = False,
-                    needs_admin: bool = False,
-                    management_only: bool = False,
-                    name: Optional[str] = None,
-                    help_text: str = "",
-                    help_args: str = "",
-                    help_section: HelpSection = None
-                    ) -> Callable[[Callable[[CommandEvent], Awaitable[Optional[Dict]]]],
-                                  CommandHandler]:
-    input_name = name
-
-    def decorator(func: Callable[[CommandEvent], Awaitable[Optional[Dict]]]) -> CommandHandler:
-        name = input_name or func.__name__.replace("_", "-")
-        handler = CommandHandler(func, needs_auth, needs_puppeting, needs_matrix_puppeting,
-                                 needs_admin, management_only, name, help_text, help_args,
-                                 help_section)
-        command_handlers[handler.name] = handler
-        return handler
-
-    return decorator if _func is None else decorator(_func)
+def command_handler(_func: Optional[CommandHandlerFunc] = None, *, needs_auth: bool = True,
+                    needs_puppeting: bool = True, needs_matrix_puppeting: bool = False,
+                    needs_admin: bool = False, management_only: bool = False,
+                    name: Optional[str] = None, help_text: str = "", help_args: str = "",
+                    help_section: HelpSection = None) -> Callable[[CommandHandlerFunc],
+                                                                  CommandHandler]:
+    return base_command_handler(
+        _func, _handler_class=CommandHandler, name=name, help_text=help_text, help_args=help_args,
+        help_section=help_section, management_only=management_only, needs_auth=needs_auth,
+        needs_admin=needs_admin, needs_puppeting=needs_puppeting,
+        needs_matrix_puppeting=needs_matrix_puppeting)
 
 
-class CommandProcessor:
-    log = logging.getLogger("mau.commands")
-
+class CommandProcessor(BaseCommandProcessor):
     def __init__(self, context: c.Context) -> None:
-        self.az, self.db, self.config, self.loop, self.tgbot = context.core
+        super().__init__(az=context.az, config=context.config, event_class=CommandEvent,
+                         loop=context.loop)
+        self.tgbot = context.bot
+        self.bridge = context.bridge
+        self.az, self.config, self.loop, self.tgbot = context.core
         self.public_website = context.public_website
         self.command_prefix = self.config["bridge.command_prefix"]
 
-    async def handle(self, room: MatrixRoomID, sender: u.User, command: str, args: List[str],
-                     is_management: bool, is_portal: bool) -> Optional[Dict]:
-        evt = CommandEvent(self, room, sender, command, args, is_management, is_portal)
-        orig_command = command
-        command = command.lower()
+    @staticmethod
+    async def _run_handler(handler: Callable[[CommandEvent], Awaitable[Any]], evt: CommandEvent
+                           ) -> Any:
         try:
-            handler = command_handlers[command]
-        except KeyError:
-            if sender.command_status and "next" in sender.command_status:
-                args.insert(0, orig_command)
-                evt.command = ""
-                handler = sender.command_status["next"]
-            else:
-                handler = command_handlers["unknown-command"]
-        try:
-            await handler(evt)
+            return await handler(evt)
         except FloodWaitError as e:
             return await evt.reply(f"Flood error: Please wait {format_duration(e.seconds)}")
-        except Exception:
-            self.log.exception("Unhandled error while handling command "
-                               f"{evt.command} {' '.join(args)} from {sender.mxid}")
-            return await evt.reply("Unhandled error while handling command. "
-                                   "Check logs for more details.")
-        return None

mautrix_telegram/commands/manhole.py

@@ -0,0 +1,128 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Set, Callable
+import asyncio
+import sys
+import os
+
+from attr import dataclass
+
+from telethon import __version__ as __telethon_version__
+
+from mautrix import __version__ as __mautrix_version__
+from mautrix.types import UserID
+from mautrix.errors import MatrixConnectionError
+from mautrix.util.manhole import start_manhole
+
+from .. import __version__
+from . import command_handler, CommandEvent, SECTION_ADMIN
+
+
+@dataclass
+class ManholeState:
+    server: asyncio.AbstractServer
+    opened_by: UserID
+    close: Callable[[], None]
+    whitelist: Set[int]
+
+
+@command_handler(needs_auth=False, needs_admin=True, help_section=SECTION_ADMIN,
+                 help_text="Open a manhole into the bridge.", help_args="<_uid..._>")
+async def open_manhole(evt: CommandEvent) -> None:
+    if not evt.config["manhole.enabled"]:
+        await evt.reply("The manhole has been disabled in the config.")
+        return
+    elif len(evt.args) == 0:
+        await evt.reply("**Usage:** `$cmdprefix+sp open-manhole <uid...>`")
+        return
+
+    whitelist = set()
+    whitelist_whitelist = evt.config["manhole.whitelist"]
+    for arg in evt.args:
+        try:
+            uid = int(arg)
+        except ValueError:
+            await evt.reply(f"{arg} is not an integer.")
+            return
+        if whitelist_whitelist and uid not in whitelist_whitelist:
+            await evt.reply(f"{uid} is not in the list of allowed UIDs.")
+            return
+        whitelist.add(uid)
+
+    if evt.bridge.manhole:
+        added = [uid for uid in whitelist
+                 if uid not in evt.bridge.manhole.whitelist]
+        evt.bridge.manhole.whitelist |= set(added)
+        if len(added) == 0:
+            await evt.reply(f"There's an existing manhole opened by {evt.bridge.manhole.opened_by}"
+                            " and all the given UIDs are already whitelisted.")
+        else:
+            added_str = (f"{', '.join(str(uid) for uid in added[:-1])} and {added[-1]}"
+                         if len(added) > 1 else added[0])
+            await evt.reply(f"There's an existing manhole opened by {evt.bridge.manhole.opened_by}"
+                            f". Added {added_str} to the whitelist.")
+            evt.log.info(f"{evt.sender.mxid} added {added_str} to the manhole whitelist.")
+        return
+
+    from ..portal import Portal
+    from ..puppet import Puppet
+    from ..user import User
+    namespace = {
+        "bridge": evt.bridge,
+        "User": User,
+        "Portal": Portal,
+        "Puppet": Puppet,
+    }
+    banner = (f"Python {sys.version} on {sys.platform}\n"
+              f"mautrix-telegram {__version__} with mautrix-python {__mautrix_version__} "
+              f"and Telethon {__telethon_version__}\n\nManhole opened by {evt.sender.mxid}\n")
+    path = evt.config["manhole.path"]
+
+    wl_list = list(whitelist)
+    whitelist_str = (f"{', '.join(str(uid) for uid in wl_list[:-1])} and {wl_list[-1]}"
+                     if len(wl_list) > 1 else wl_list[0])
+    evt.log.info(f"{evt.sender.mxid} opened a manhole with {whitelist_str} whitelisted.")
+    server, close = await start_manhole(path=path, banner=banner, namespace=namespace,
+                                        loop=evt.loop, whitelist=whitelist)
+    evt.bridge.manhole = ManholeState(server=server, opened_by=evt.sender.mxid, close=close,
+                                      whitelist=whitelist)
+    plrl = "s" if len(whitelist) != 1 else ""
+    await evt.reply(f"Opened manhole at unix://{path} with UID{plrl} {whitelist_str} whitelisted")
+    await server.wait_closed()
+    evt.bridge.manhole = None
+    try:
+        os.unlink(path)
+    except FileNotFoundError:
+        pass
+    evt.log.info(f"{evt.sender.mxid}'s manhole was closed.")
+    try:
+        await evt.reply("Your manhole was closed.")
+    except (AttributeError, MatrixConnectionError) as e:
+        evt.log.warning(f"Failed to send manhole close notification: {e}")
+
+
+@command_handler(needs_auth=False, needs_admin=True, help_section=SECTION_ADMIN,
+                 help_text="Close an open manhole.")
+async def close_manhole(evt: CommandEvent) -> None:
+    if not evt.bridge.manhole:
+        await evt.reply("There is no open manhole.")
+        return
+
+    opened_by = evt.bridge.manhole.opened_by
+    evt.bridge.manhole.close()
+    evt.bridge.manhole = None
+    if opened_by != evt.sender.mxid:
+        await evt.reply(f"Closed manhole opened by {opened_by}")

mautrix_telegram/commands/matrix_auth.py

@@ -0,0 +1,113 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from mautrix.types import EventID
+from mautrix.bridge import InvalidAccessToken, OnlyLoginSelf
+
+from . import command_handler, CommandEvent, SECTION_AUTH
+from .. import puppet as pu
+
+
+@command_handler(needs_auth=True, needs_matrix_puppeting=True,
+                 help_section=SECTION_AUTH, help_text="Revert your Telegram account's Matrix "
+                                                      "puppet to use the default Matrix account.")
+async def logout_matrix(evt: CommandEvent) -> EventID:
+    puppet = pu.Puppet.get(evt.sender.tgid)
+    if not puppet.is_real_user:
+        return await evt.reply("You are not logged in with your Matrix account.")
+    await puppet.switch_mxid(None, None)
+    return await evt.reply("Reverted your Telegram account's Matrix puppet back to the default.")
+
+
+@command_handler(needs_auth=True, management_only=True, needs_matrix_puppeting=True,
+                 help_section=SECTION_AUTH,
+                 help_text="Replace your Telegram account's Matrix puppet with your own Matrix "
+                           "account.")
+async def login_matrix(evt: CommandEvent) -> EventID:
+    puppet = pu.Puppet.get(evt.sender.tgid)
+    if puppet.is_real_user:
+        return await evt.reply("You have already logged in with your Matrix account. "
+                               "Log out with `$cmdprefix+sp logout-matrix` first.")
+    allow_matrix_login = evt.config.get("bridge.allow_matrix_login", True)
+    if allow_matrix_login:
+        evt.sender.command_status = {
+            "next": enter_matrix_token,
+            "action": "Matrix login",
+        }
+    if evt.config["appservice.public.enabled"]:
+        prefix = evt.config["appservice.public.external"]
+        token = evt.public_website.make_token(evt.sender.mxid, "/matrix-login")
+        url = f"{prefix}/matrix-login?token={token}"
+        if allow_matrix_login:
+            return await evt.reply(
+                "This bridge instance allows you to log in inside or outside Matrix.\n\n"
+                "If you would like to log in within Matrix, please send your Matrix access token "
+                "here.\n"
+                f"If you would like to log in outside of Matrix, [click here]({url}).\n\n"
+                "Logging in outside of Matrix is recommended, because in-Matrix login would save "
+                "your access token in the message history.")
+        return await evt.reply("This bridge instance does not allow logging in inside Matrix.\n\n"
+                               f"Please visit [the login page]({url}) to log in.")
+    elif allow_matrix_login:
+        return await evt.reply(
+            "This bridge instance does not allow you to log in outside of Matrix.\n\n"
+            "Please send your Matrix access token here to log in.")
+    return await evt.reply("This bridge instance has been configured to not allow logging in.")
+
+
+@command_handler(needs_auth=True, needs_matrix_puppeting=True,
+                 help_section=SECTION_AUTH,
+                 help_text="Pings the server with the stored matrix authentication.")
+async def ping_matrix(evt: CommandEvent) -> EventID:
+    puppet = pu.Puppet.get(evt.sender.tgid)
+    if not puppet.is_real_user:
+        return await evt.reply("You are not logged in with your Matrix account.")
+    try:
+        await puppet.start()
+    except InvalidAccessToken:
+        return await evt.reply("Your access token is invalid.")
+    return await evt.reply("Your Matrix login is working.")
+
+
+@command_handler(needs_auth=True, needs_matrix_puppeting=True, help_section=SECTION_AUTH,
+                 help_text="Clear the Matrix sync token stored for your custom puppet.")
+async def clear_cache_matrix(evt: CommandEvent) -> EventID:
+    puppet = pu.Puppet.get(evt.sender.tgid)
+    if not puppet.is_real_user:
+        return await evt.reply("You are not logged in with your Matrix account.")
+    try:
+        puppet.stop()
+        puppet.next_batch = None
+        await puppet.start()
+    except InvalidAccessToken:
+        return await evt.reply("Your access token is invalid.")
+    return await evt.reply("Cleared cache successfully.")
+
+
+async def enter_matrix_token(evt: CommandEvent) -> EventID:
+    evt.sender.command_status = None
+
+    puppet = pu.Puppet.get(evt.sender.tgid)
+    if puppet.is_real_user:
+        return await evt.reply("You have already logged in with your Matrix account. "
+                               "Log out with `$cmdprefix+sp logout-matrix` first.")
+    try:
+        await puppet.switch_mxid(" ".join(evt.args), evt.sender.mxid)
+    except OnlyLoginSelf:
+        return await evt.reply("You can only log in as your own Matrix user.")
+    except InvalidAccessToken:
+        return await evt.reply("Failed to verify access token.")
+    return await evt.reply("Replaced your Telegram account's Matrix puppet "
+                           f"with {puppet.custom_mxid}.")

mautrix_telegram/commands/meta.py

@@ -1,72 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, List, Optional, Tuple
-
-from . import command_handler, CommandEvent, _command_handlers, SECTION_GENERAL
-from .handler import HelpSection
-
-
-@command_handler(needs_auth=False, needs_puppeting=False,
-                 help_section=SECTION_GENERAL,
-                 help_text="Cancel an ongoing action (such as login)")
-async def cancel(evt: CommandEvent) -> Optional[Dict]:
-    if evt.sender.command_status:
-        action = evt.sender.command_status["action"]
-        evt.sender.command_status = None
-        return await evt.reply(f"{action} cancelled.")
-    else:
-        return await evt.reply("No ongoing command.")
-
-
-@command_handler(needs_auth=False, needs_puppeting=False)
-async def unknown_command(evt: CommandEvent) -> Optional[Dict]:
-    return await evt.reply("Unknown command. Try `$cmdprefix+sp help` for help.")
-
-
-help_cache = {}  # type: Dict[Tuple[bool, bool, bool, bool, bool], str]
-
-
-async def _get_help_text(evt: CommandEvent) -> str:
-    cache_key = (evt.is_management, evt.sender.puppet_whitelisted,
-                 evt.sender.matrix_puppet_whitelisted, evt.sender.is_admin,
-                 await evt.sender.is_logged_in())
-    if cache_key not in help_cache:
-        help_sections = {}  # type: Dict[HelpSection, List[str]]
-        for handler in _command_handlers.values():
-            if handler.has_help and handler.has_permission(*cache_key):
-                help_sections.setdefault(handler.help_section, [])
-                help_sections[handler.help_section].append(handler.help + "  ")
-        help_sorted = sorted(help_sections.items(), key=lambda item: item[0].order)
-        help = ["#### {}\n{}\n".format(key.name, "\n".join(value)) for key, value in help_sorted]
-        help_cache[cache_key] = "\n".join(help)
-    return help_cache[cache_key]
-
-
-def _get_management_status(evt: CommandEvent) -> str:
-    if evt.is_management:
-        return "This is a management room: prefixing commands with `$cmdprefix` is not required."
-    elif evt.is_portal:
-        return ("**This is a portal room**: you must always prefix commands with `$cmdprefix`.\n"
-                "Management commands will not be sent to Telegram.")
-    return "**This is not a management room**: you must prefix commands with `$cmdprefix`."
-
-
-@command_handler(needs_auth=False, needs_puppeting=False,
-                 help_section=SECTION_GENERAL,
-                 help_text="Show this help message.")
-async def help(evt: CommandEvent) -> Optional[Dict]:
-    return await evt.reply(_get_management_status(evt) + "\n" + await _get_help_text(evt))

mautrix_telegram/commands/portal.py

@@ -1,614 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, Callable, Optional, Tuple, Coroutine, Awaitable
-from io import StringIO
-import asyncio
-
-from telethon.errors import (ChatAdminRequiredError, UsernameInvalidError,
-                             UsernameNotModifiedError, UsernameOccupiedError)
-from telethon.tl.types import ChatForbidden, ChannelForbidden
-from mautrix_appservice import MatrixRequestError, IntentAPI
-
-from ..types import MatrixRoomID, TelegramID
-from ..config import yaml
-from .. import portal as po, user as u, util
-from . import (command_handler, CommandEvent,
-               SECTION_ADMIN, SECTION_CREATING_PORTALS, SECTION_PORTAL_MANAGEMENT)
-
-
-@command_handler(needs_admin=True, needs_auth=False, name="set-pl",
-                 help_section=SECTION_ADMIN,
-                 help_args="<_level_> [_mxid_]",
-                 help_text="Set a temporary power level without affecting Telegram.")
-async def set_power_level(evt: CommandEvent) -> Dict:
-    try:
-        level = int(evt.args[0])
-    except KeyError:
-        return await evt.reply("**Usage:** `$cmdprefix+sp set-power <level> [mxid]`")
-    except ValueError:
-        return await evt.reply("The level must be an integer.")
-    levels = await evt.az.intent.get_power_levels(evt.room_id)
-    mxid = evt.args[1] if len(evt.args) > 1 else evt.sender.mxid
-    levels["users"][mxid] = level
-    try:
-        await evt.az.intent.set_power_levels(evt.room_id, levels)
-    except MatrixRequestError:
-        evt.log.exception("Failed to set power level.")
-        return await evt.reply("Failed to set power level.")
-    return {}
-
-
-@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_text="Get a Telegram invite link to the current chat.")
-async def invite_link(evt: CommandEvent) -> Dict:
-    portal = po.Portal.get_by_mxid(evt.room_id)
-    if not portal:
-        return await evt.reply("This is not a portal room.")
-
-    if portal.peer_type == "user":
-        return await evt.reply("You can't invite users to private chats.")
-
-    try:
-        link = await portal.get_invite_link(evt.sender)
-        return await evt.reply(f"Invite link to {portal.title}: {link}")
-    except ValueError as e:
-        return await evt.reply(e.args[0])
-    except ChatAdminRequiredError:
-        return await evt.reply("You don't have the permission to create an invite link.")
-
-
-async def user_has_power_level(room: str, intent, sender: u.User, event: str, default: int = 50
-                               ) -> bool:
-    if sender.is_admin:
-        return True
-    # Make sure the state store contains the power levels.
-    try:
-        await intent.get_power_levels(room)
-    except MatrixRequestError:
-        return False
-    return intent.state_store.has_power_level(room, sender.mxid,
-                                              event=f"net.maunium.telegram.{event}",
-                                              default=default)
-
-
-async def _get_portal_and_check_permission(evt: CommandEvent, permission: str,
-                                           action: Optional[str] = None
-                                           ) -> Optional[po.Portal]:
-    room_id = MatrixRoomID(evt.args[0]) if len(evt.args) > 0 else evt.room_id
-
-    portal = po.Portal.get_by_mxid(room_id)
-    if not portal:
-        that_this = "This" if room_id == evt.room_id else "That"
-        await evt.reply(f"{that_this} is not a portal room.")
-        return None
-
-    if not await user_has_power_level(portal.mxid, evt.az.intent, evt.sender, permission):
-        action = action or f"{permission.replace('_', ' ')}s"
-        await evt.reply(f"You do not have the permissions to {action} that portal.")
-        return None
-    return portal
-
-
-def _get_portal_murder_function(action: str, room_id: str, function: Callable, command: str,
-                                completed_message: str) -> Dict:
-    async def post_confirm(confirm) -> Optional[Dict]:
-        confirm.sender.command_status = None
-        if len(confirm.args) > 0 and confirm.args[0] == f"confirm-{command}":
-            await function()
-            if confirm.room_id != room_id:
-                return await confirm.reply(completed_message)
-        else:
-            return await confirm.reply(f"{action} cancelled.")
-        return None
-
-    return {
-        "next": post_confirm,
-        "action": action,
-    }
-
-
-@command_handler(needs_auth=False, needs_puppeting=False,
-                 help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_text="Remove all users from the current portal room and forget the portal. "
-                           "Only works for group chats; to delete a private chat portal, simply "
-                           "leave the room.")
-async def delete_portal(evt: CommandEvent) -> Optional[Dict]:
-    portal = await _get_portal_and_check_permission(evt, "unbridge")
-    if not portal:
-        return None
-
-    evt.sender.command_status = _get_portal_murder_function("Portal deletion", portal.mxid,
-                                                            portal.cleanup_and_delete, "delete",
-                                                            "Portal successfully deleted.")
-    return await evt.reply("Please confirm deletion of portal "
-                           f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}) "
-                           f"to Telegram chat \"{portal.title}\" "
-                           "by typing `$cmdprefix+sp confirm-delete`"
-                           "\n\n"
-                           "**WARNING:** If the bridge bot has the power level to do so, **this "
-                           "will kick ALL users** in the room. If you just want to remove the "
-                           "bridge, use `$cmdprefix+sp unbridge` instead.")
-
-
-@command_handler(needs_auth=False, needs_puppeting=False,
-                 help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_text="Remove puppets from the current portal room and forget the portal.")
-async def unbridge(evt: CommandEvent) -> Optional[Dict]:
-    portal = await _get_portal_and_check_permission(evt, "unbridge")
-    if not portal:
-        return None
-
-    evt.sender.command_status = _get_portal_murder_function("Room unbridging", portal.mxid,
-                                                            portal.unbridge, "unbridge",
-                                                            "Room successfully unbridged.")
-    return await evt.reply(f"Please confirm unbridging chat \"{portal.title}\" from room "
-                           f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}) "
-                           "by typing `$cmdprefix+sp confirm-unbridge`")
-
-
-@command_handler(needs_auth=False, needs_puppeting=False,
-                 help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_args="[_id_]",
-                 help_text="Bridge the current Matrix room to the Telegram chat with the given "
-                           "ID. The ID must be the prefixed version that you get with the `/id` "
-                           "command of the Telegram-side bot.")
-async def bridge(evt: CommandEvent) -> Dict:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** "
-                               "`$cmdprefix+sp bridge <Telegram chat ID> [Matrix room ID]`")
-    room_id = MatrixRoomID(evt.args[1]) if len(evt.args) > 1 else evt.room_id
-    that_this = "This" if room_id == evt.room_id else "That"
-
-    portal = po.Portal.get_by_mxid(room_id)
-    if portal:
-        return await evt.reply(f"{that_this} room is already a portal room.")
-
-    if not await user_has_power_level(room_id, evt.az.intent, evt.sender, "bridge"):
-        return await evt.reply(f"You do not have the permissions to bridge {that_this} room.")
-
-    # The /id bot command provides the prefixed ID, so we assume
-    tgid_str = evt.args[0]
-    if tgid_str.startswith("-100"):
-        tgid = TelegramID(int(tgid_str[4:]))
-        peer_type = "channel"
-    elif tgid_str.startswith("-"):
-        tgid = TelegramID(-int(tgid_str))
-        peer_type = "chat"
-    else:
-        return await evt.reply("That doesn't seem like a prefixed Telegram chat ID.\n\n"
-                               "If you did not get the ID using the `/id` bot command, please "
-                               "prefix channel IDs with `-100` and normal group IDs with `-`.\n\n"
-                               "Bridging private chats to existing rooms is not allowed.")
-
-    portal = po.Portal.get_by_tgid(tgid, peer_type=peer_type)
-    if not portal.allow_bridging():
-        return await evt.reply("This bridge doesn't allow bridging that Telegram chat.\n"
-                               "If you're the bridge admin, try "
-                               "`$cmdprefix+sp filter whitelist <Telegram chat ID>` first.")
-    if portal.mxid:
-        has_portal_message = (
-            "That Telegram chat already has a portal at "
-            f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}). ")
-        if not await user_has_power_level(portal.mxid, evt.az.intent, evt.sender, "unbridge"):
-            return await evt.reply(f"{has_portal_message}"
-                                   "Additionally, you do not have the permissions to unbridge "
-                                   "that room.")
-        evt.sender.command_status = {
-            "next": confirm_bridge,
-            "action": "Room bridging",
-            "mxid": portal.mxid,
-            "bridge_to_mxid": room_id,
-            "tgid": portal.tgid,
-            "peer_type": portal.peer_type,
-        }
-        return await evt.reply(f"{has_portal_message}"
-                               "However, you have the permissions to unbridge that room.\n\n"
-                               "To delete that portal completely and continue bridging, use "
-                               "`$cmdprefix+sp delete-and-continue`. To unbridge the portal "
-                               "without kicking Matrix users, use `$cmdprefix+sp unbridge-and-"
-                               "continue`. To cancel, use `$cmdprefix+sp cancel`")
-    evt.sender.command_status = {
-        "next": confirm_bridge,
-        "action": "Room bridging",
-        "bridge_to_mxid": room_id,
-        "tgid": portal.tgid,
-        "peer_type": portal.peer_type,
-    }
-    return await evt.reply("That Telegram chat has no existing portal. To confirm bridging the "
-                           "chat to this room, use `$cmdprefix+sp continue`")
-
-
-async def cleanup_old_portal_while_bridging(evt: CommandEvent, portal: "po.Portal"
-                                            ) -> Tuple[bool, Optional[Coroutine[None, None, None]]]:
-    if not portal.mxid:
-        await evt.reply("The portal seems to have lost its Matrix room between you"
-                        "calling `$cmdprefix+sp bridge` and this command.\n\n"
-                        "Continuing without touching previous Matrix room...")
-        return True, None
-    elif evt.args[0] == "delete-and-continue":
-        return True, portal.cleanup_room(portal.main_intent, portal.mxid,
-                                         message="Portal deleted (moving to another room)")
-    elif evt.args[0] == "unbridge-and-continue":
-        return True, portal.cleanup_room(portal.main_intent, portal.mxid,
-                                         message="Room unbridged (portal moving to another room)",
-                                         puppets_only=True)
-    else:
-        await evt.reply(
-            "The chat you were trying to bridge already has a Matrix portal room.\n\n"
-            "Please use `$cmdprefix+sp delete-and-continue` or `$cmdprefix+sp unbridge-and-"
-            "continue` to either delete or unbridge the existing room (respectively) and "
-            "continue with the bridging.\n\n"
-            "If you changed your mind, use `$cmdprefix+sp cancel` to cancel.")
-        return False, None
-
-
-async def confirm_bridge(evt: CommandEvent) -> Optional[Dict]:
-    status = evt.sender.command_status
-    try:
-        portal = po.Portal.get_by_tgid(status["tgid"], peer_type=status["peer_type"])
-        bridge_to_mxid = status["bridge_to_mxid"]
-    except KeyError:
-        evt.sender.command_status = None
-        return await evt.reply("Fatal error: tgid or peer_type missing from command_status. "
-                               "This shouldn't happen unless you're messing with the command "
-                               "handler code.")
-    if "mxid" in status:
-        ok, coro = await cleanup_old_portal_while_bridging(evt, portal)
-        if not ok:
-            return None
-        elif coro:
-            asyncio.ensure_future(coro, loop=evt.loop)
-            await evt.reply("Cleaning up previous portal room...")
-    elif portal.mxid:
-        evt.sender.command_status = None
-        return await evt.reply("The portal seems to have created a Matrix room between you "
-                               "calling `$cmdprefix+sp bridge` and this command.\n\n"
-                               "Please start over by calling the bridge command again.")
-    elif evt.args[0] != "continue":
-        return await evt.reply("Please use `$cmdprefix+sp continue` to confirm the bridging or "
-                               "`$cmdprefix+sp cancel` to cancel.")
-
-    evt.sender.command_status = None
-    is_logged_in = await evt.sender.is_logged_in()
-    user = evt.sender if is_logged_in else evt.tgbot
-    try:
-        entity = await user.client.get_entity(portal.peer)
-    except Exception:
-        evt.log.exception("Failed to get_entity(%s) for manual bridging.", portal.peer)
-        if is_logged_in:
-            return await evt.reply("Failed to get info of telegram chat. "
-                                   "You are logged in, are you in that chat?")
-        else:
-            return await evt.reply("Failed to get info of telegram chat. "
-                                   "You're not logged in, is the relay bot in the chat?")
-    if isinstance(entity, (ChatForbidden, ChannelForbidden)):
-        if is_logged_in:
-            return await evt.reply("You don't seem to be in that chat.")
-        else:
-            return await evt.reply("The bot doesn't seem to be in that chat.")
-
-    direct = False
-
-    portal.mxid = bridge_to_mxid
-    portal.title, portal.about, levels = await get_initial_state(evt.az.intent, evt.room_id)
-    portal.photo_id = ""
-    portal.save()
-
-    asyncio.ensure_future(portal.update_matrix_room(user, entity, direct, levels=levels),
-                          loop=evt.loop)
-
-    return await evt.reply("Bridging complete. Portal synchronization should begin momentarily.")
-
-
-async def get_initial_state(intent: IntentAPI, room_id: str) -> Tuple[str, str, Dict]:
-    state = await intent.get_room_state(room_id)
-    title = None
-    about = None
-    levels = None
-    for event in state:
-        try:
-            if event["type"] == "m.room.name":
-                title = event["content"]["name"]
-            elif event["type"] == "m.room.topic":
-                about = event["content"]["topic"]
-            elif event["type"] == "m.room.power_levels":
-                levels = event["content"]
-            elif event["type"] == "m.room.canonical_alias":
-                title = title or event["content"]["alias"]
-        except KeyError:
-            # Some state event probably has empty content
-            pass
-    return title, about, levels
-
-
-@command_handler(help_section=SECTION_CREATING_PORTALS,
-                 help_args="[_type_]",
-                 help_text="Create a Telegram chat of the given type for the current Matrix room. "
-                           "The type is either `group`, `supergroup` or `channel` (defaults to "
-                           "`group`).")
-async def create(evt: CommandEvent) -> Dict:
-    type = evt.args[0] if len(evt.args) > 0 else "group"
-    if type not in {"chat", "group", "supergroup", "channel"}:
-        return await evt.reply(
-            "**Usage:** `$cmdprefix+sp create ['group'/'supergroup'/'channel']`")
-
-    if po.Portal.get_by_mxid(evt.room_id):
-        return await evt.reply("This is already a portal room.")
-
-    if not await user_has_power_level(evt.room_id, evt.az.intent, evt.sender, "bridge"):
-        return await evt.reply("You do not have the permissions to bridge this room.")
-
-    title, about, levels = await get_initial_state(evt.az.intent, evt.room_id)
-    if not title:
-        return await evt.reply("Please set a title before creating a Telegram chat.")
-
-    supergroup = type == "supergroup"
-    type = {
-        "supergroup": "channel",
-        "channel": "channel",
-        "chat": "chat",
-        "group": "chat",
-    }[type]
-
-    portal = po.Portal(tgid=None, mxid=evt.room_id, title=title, about=about, peer_type=type)
-    try:
-        await portal.create_telegram_chat(evt.sender, supergroup=supergroup)
-    except ValueError as e:
-        portal.delete()
-        return await evt.reply(e.args[0])
-    return await evt.reply(f"Telegram chat created. ID: {portal.tgid}")
-
-
-@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_text="Upgrade a normal Telegram group to a supergroup.")
-async def upgrade(evt: CommandEvent) -> Dict:
-    portal = po.Portal.get_by_mxid(evt.room_id)
-    if not portal:
-        return await evt.reply("This is not a portal room.")
-    elif portal.peer_type == "channel":
-        return await evt.reply("This is already a supergroup or a channel.")
-    elif portal.peer_type == "user":
-        return await evt.reply("You can't upgrade private chats.")
-
-    try:
-        await portal.upgrade_telegram_chat(evt.sender)
-        return await evt.reply(f"Group upgraded to supergroup. New ID: {portal.tgid}")
-    except ChatAdminRequiredError:
-        return await evt.reply("You don't have the permission to upgrade this group.")
-    except ValueError as e:
-        return await evt.reply(e.args[0])
-
-
-@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_text="View or change per-portal settings.",
-                 help_args="<`help`|_subcommand_> [...]")
-async def config(evt: CommandEvent) -> None:
-    cmd = evt.args[0].lower() if len(evt.args) > 0 else "help"
-    if cmd not in ("view", "defaults", "set", "unset", "add", "del"):
-        await config_help(evt)
-        return
-    elif cmd == "defaults":
-        await config_defaults(evt)
-        return
-
-    portal = po.Portal.get_by_mxid(evt.room_id)
-    if not portal:
-        await evt.reply("This is not a portal room.")
-        return
-    elif cmd == "view":
-        await config_view(evt, portal)
-        return
-
-    key = evt.args[1] if len(evt.args) > 1 else None
-    value = yaml.load(" ".join(evt.args[2:])) if len(evt.args) > 2 else None
-    if cmd == "set":
-        await config_set(evt, portal, key, value)
-    elif cmd == "unset":
-        await config_unset(evt, portal, key)
-    elif cmd == "add" or cmd == "del":
-        await config_add_del(evt, portal, key, value, cmd)
-    else:
-        return
-    portal.save()
-
-
-def config_help(evt: CommandEvent) -> Awaitable[Dict]:
-    return evt.reply("""**Usage:** `$cmdprefix config <subcommand> [...]`. Subcommands:
-
-* **help** - View this help text.
-* **view** - View the current config data.
-* **defaults** - View the default config values.
-* **set** <_key_> <_value_> - Set a config value.
-* **unset** <_key_> - Remove a config value.
-* **add** <_key_> <_value_> - Add a value to an array.
-* **del** <_key_> <_value_> - Remove a value from an array.
-""")
-
-
-def config_view(evt: CommandEvent, portal: po.Portal) -> Awaitable[Dict]:
-    stream = StringIO()
-    yaml.dump(portal.local_config, stream)
-    return evt.reply(f"Room-specific config:\n\n```yaml\n{stream.getvalue()}```")
-
-
-def config_defaults(evt: CommandEvent) -> Awaitable[Dict]:
-    stream = StringIO()
-    yaml.dump({
-        "edits_as_replies": evt.config["bridge.edits_as_replies"],
-        "bridge_notices": {
-            "default": evt.config["bridge.bridge_notices.default"],
-            "exceptions": evt.config["bridge.bridge_notices.exceptions"],
-        },
-        "bot_messages_as_notices": evt.config["bridge.bot_messages_as_notices"],
-        "inline_images": evt.config["bridge.inline_images"],
-        "native_stickers": evt.config["bridge.native_stickers"],
-        "message_formats": evt.config["bridge.message_formats"],
-        "state_event_formats": evt.config["bridge.state_event_formats"],
-    }, stream)
-    return evt.reply(f"Bridge instance wide config:\n\n```yaml\n{stream.getvalue()}```")
-
-
-def config_set(evt: CommandEvent, portal: po.Portal, key: str, value: str) -> Awaitable[Dict]:
-    if not key or value is None:
-        return evt.reply(f"**Usage:** `$cmdprefix+sp config set <key> <value>`")
-    elif util.recursive_set(portal.local_config, key, value):
-        return evt.reply(f"Successfully set the value of `{key}` to `{value}`.")
-    else:
-        return evt.reply(f"Failed to set value of `{key}`. "
-                         "Does the path contain non-map types?")
-
-
-def config_unset(evt: CommandEvent, portal: po.Portal, key: str) -> Awaitable[Dict]:
-    if not key:
-        return evt.reply(f"**Usage:** `$cmdprefix+sp config unset <key>`")
-    elif util.recursive_del(portal.local_config, key):
-        return evt.reply(f"Successfully deleted `{key}` from config.")
-    else:
-        return evt.reply(f"`{key}` not found in config.")
-
-
-def config_add_del(evt: CommandEvent, portal: po.Portal, key: str, value: str, cmd: str
-                   ) -> Awaitable[Dict]:
-    if not key or value is None:
-        return evt.reply(f"**Usage:** `$cmdprefix+sp config {cmd} <key> <value>`")
-
-    arr = util.recursive_get(portal.local_config, key)
-    if not arr:
-        return evt.reply(f"`{key}` not found in config. "
-                         f"Maybe do `$cmdprefix+sp config set {key} []` first?")
-    elif not isinstance(arr, list):
-        return evt.reply("`{key}` does not seem to be an array.")
-    elif cmd == "add":
-        if value in arr:
-            return evt.reply(f"The array at `{key}` already contains `{value}`.")
-        arr.append(value)
-        return evt.reply(f"Successfully added `{value}` to the array at `{key}`")
-    else:
-        if value not in arr:
-            return evt.reply(f"The array at `{key}` does not contain `{value}`.")
-        arr.remove(value)
-        return evt.reply(f"Successfully removed `{value}` from the array at `{key}`")
-
-
-@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
-                 help_args="<_name_|`-`>",
-                 help_text="Change the username of a supergroup/channel. "
-                           "To disable, use a dash (`-`) as the name.")
-async def group_name(evt: CommandEvent) -> Dict:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp group-name <name/->`")
-
-    portal = po.Portal.get_by_mxid(evt.room_id)
-    if not portal:
-        return await evt.reply("This is not a portal room.")
-    elif portal.peer_type != "channel":
-        return await evt.reply("Only channels and supergroups have usernames.")
-
-    try:
-        await portal.set_telegram_username(evt.sender,
-                                           evt.args[0] if evt.args[0] != "-" else "")
-        if portal.username:
-            return await evt.reply(f"Username of channel changed to {portal.username}.")
-        else:
-            return await evt.reply(f"Channel is now private.")
-    except ChatAdminRequiredError:
-        return await evt.reply(
-            "You don't have the permission to set the username of this channel.")
-    except UsernameNotModifiedError:
-        if portal.username:
-            return await evt.reply("That is already the username of this channel.")
-        else:
-            return await evt.reply("This channel is already private")
-    except UsernameOccupiedError:
-        return await evt.reply("That username is already in use.")
-    except UsernameInvalidError:
-        return await evt.reply("Invalid username")
-
-
-@command_handler(needs_admin=True,
-                 help_section=SECTION_ADMIN,
-                 help_args="<`whitelist`|`blacklist`>",
-                 help_text="Change whether the bridge will allow or disallow bridging rooms by "
-                           "default.")
-async def filter_mode(evt: CommandEvent) -> Dict:
-    try:
-        mode = evt.args[0]
-        if mode not in ("whitelist", "blacklist"):
-            raise ValueError()
-    except (IndexError, ValueError):
-        return await evt.reply("**Usage:** `$cmdprefix+sp filter-mode <whitelist/blacklist>`")
-
-    evt.config["bridge.filter.mode"] = mode
-    evt.config.save()
-    po.Portal.filter_mode = mode
-    if mode == "whitelist":
-        return await evt.reply("The bridge will now disallow bridging chats by default.\n"
-                               "To allow bridging a specific chat, use"
-                               "`!filter whitelist <chat ID>`.")
-    else:
-        return await evt.reply("The bridge will now allow bridging chats by default.\n"
-                               "To disallow bridging a specific chat, use"
-                               "`!filter blacklist <chat ID>`.")
-
-
-@command_handler(needs_admin=True,
-                 help_section=SECTION_ADMIN,
-                 help_args="<`whitelist`|`blacklist`> <_chat ID_>",
-                 help_text="Allow or disallow bridging a specific chat.")
-async def filter(evt: CommandEvent) -> Optional[Dict]:
-    try:
-        action = evt.args[0]
-        if action not in ("whitelist", "blacklist", "add", "remove"):
-            raise ValueError()
-
-        id_str = evt.args[1]
-        if id_str.startswith("-100"):
-            id = int(id_str[4:])
-        elif id_str.startswith("-"):
-            id = int(id_str[1:])
-        else:
-            id = int(id_str)
-    except (IndexError, ValueError):
-        return await evt.reply("**Usage:** `$cmdprefix+sp filter <whitelist/blacklist> <chat ID>`")
-
-    mode = evt.config["bridge.filter.mode"]
-    if mode not in ("blacklist", "whitelist"):
-        return await evt.reply(f"Unknown filter mode \"{mode}\". Please fix the bridge config.")
-
-    list = evt.config["bridge.filter.list"]
-
-    if action in ("blacklist", "whitelist"):
-        action = "add" if mode == action else "remove"
-
-    def save() -> None:
-        evt.config["bridge.filter.list"] = list
-        evt.config.save()
-        po.Portal.filter_list = list
-
-    if action == "add":
-        if id in list:
-            return await evt.reply(f"That chat is already {mode}ed.")
-        list.append(id)
-        save()
-        return await evt.reply(f"Chat ID added to {mode}.")
-    elif action == "remove":
-        if id not in list:
-            return await evt.reply(f"That chat is not {mode}ed.")
-        list.remove(id)
-        save()
-        return await evt.reply(f"Chat ID removed from {mode}.")
-    return None

mautrix_telegram/commands/portal/__init__.py

@@ -0,0 +1 @@
+from . import admin, bridge, config, create_chat, filter, misc, unbridge

mautrix_telegram/commands/portal/admin.py

@@ -0,0 +1,98 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+import asyncio
+
+from mautrix.errors import MatrixRequestError
+from mautrix.types import EventID
+
+from ... import portal as po, puppet as pu, user as u
+from .. import command_handler, CommandEvent, SECTION_ADMIN
+
+
+@command_handler(needs_admin=True, needs_auth=False, name="set-pl",
+                 help_section=SECTION_ADMIN,
+                 help_args="<_level_> [_mxid_]",
+                 help_text="Set a temporary power level without affecting Telegram.")
+async def set_power_level(evt: CommandEvent) -> EventID:
+    try:
+        level = int(evt.args[0])
+    except (KeyError, IndexError):
+        return await evt.reply("**Usage:** `$cmdprefix+sp set-pl <level> [mxid]`")
+    except ValueError:
+        return await evt.reply("The level must be an integer.")
+    levels = await evt.az.intent.get_power_levels(evt.room_id)
+    mxid = evt.args[1] if len(evt.args) > 1 else evt.sender.mxid
+    levels.users[mxid] = level
+    try:
+        return await evt.az.intent.set_power_levels(evt.room_id, levels)
+    except MatrixRequestError:
+        evt.log.exception("Failed to set power level.")
+        return await evt.reply("Failed to set power level.")
+
+
+@command_handler(needs_admin=True, needs_auth=False,
+                 help_section=SECTION_ADMIN,
+                 help_args="<`portal`|`puppet`|`user`>",
+                 help_text="Clear internal bridge caches")
+async def clear_db_cache(evt: CommandEvent) -> EventID:
+    try:
+        section = evt.args[0].lower()
+    except IndexError:
+        return await evt.reply("**Usage:** `$cmdprefix+sp clear-db-cache <section>`")
+    if section == "portal":
+        po.Portal.by_tgid = {}
+        po.Portal.by_mxid = {}
+        await evt.reply("Cleared portal cache")
+    elif section == "puppet":
+        pu.Puppet.cache = {}
+        for puppet in pu.Puppet.by_custom_mxid.values():
+            puppet.sync_task.cancel()
+        pu.Puppet.by_custom_mxid = {}
+        await asyncio.gather(*[puppet.try_start() for puppet in pu.Puppet.all_with_custom_mxid()],
+                             loop=evt.loop)
+        await evt.reply("Cleared puppet cache and restarted custom puppet syncers")
+    elif section == "user":
+        u.User.by_mxid = {
+            user.mxid: user
+            for user in u.User.by_tgid.values()
+        }
+        await evt.reply("Cleared non-logged-in user cache")
+    else:
+        return await evt.reply("**Usage:** `$cmdprefix+sp clear-db-cache <section>`")
+
+
+@command_handler(needs_admin=True, needs_auth=False,
+                 help_section=SECTION_ADMIN,
+                 help_args="[_mxid_]",
+                 help_text="Reload and reconnect a user")
+async def reload_user(evt: CommandEvent) -> EventID:
+    if len(evt.args) > 0:
+        mxid = evt.args[0]
+    else:
+        mxid = evt.sender.mxid
+    user = u.User.get_by_mxid(mxid, create=False)
+    if not user:
+        return await evt.reply("User not found")
+    puppet = pu.Puppet.get_by_custom_mxid(mxid)
+    if puppet:
+        puppet.sync_task.cancel()
+    await user.stop()
+    user.delete(delete_db=False)
+    user = u.User.get_by_mxid(mxid)
+    await user.ensure_started()
+    if puppet:
+        await puppet.start()
+    return await evt.reply(f"Reloaded and reconnected {user.mxid} (telegram: {user.human_tg_id})")

mautrix_telegram/commands/portal/bridge.py

@@ -0,0 +1,187 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, Tuple, Coroutine
+import asyncio
+
+from telethon.tl.types import ChatForbidden, ChannelForbidden
+
+from mautrix.types import EventID, RoomID
+
+from ...types import TelegramID
+from ... import portal as po
+from .. import command_handler, CommandEvent, SECTION_CREATING_PORTALS
+from .util import user_has_power_level, get_initial_state
+
+
+@command_handler(needs_auth=False, needs_puppeting=False,
+                 help_section=SECTION_CREATING_PORTALS,
+                 help_args="[_id_]",
+                 help_text="Bridge the current Matrix room to the Telegram chat with the given "
+                           "ID. The ID must be the prefixed version that you get with the `/id` "
+                           "command of the Telegram-side bot.")
+async def bridge(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** "
+                               "`$cmdprefix+sp bridge <Telegram chat ID> [Matrix room ID]`")
+    force_use_bot = False
+    if evt.args[0] == "--usebot" and evt.sender.is_admin:
+        force_use_bot = True
+        evt.args = evt.args[1:]
+    room_id = RoomID(evt.args[1]) if len(evt.args) > 1 else evt.room_id
+    that_this = "This" if room_id == evt.room_id else "That"
+
+    portal = po.Portal.get_by_mxid(room_id)
+    if portal:
+        return await evt.reply(f"{that_this} room is already a portal room.")
+
+    if not await user_has_power_level(room_id, evt.az.intent, evt.sender, "bridge"):
+        return await evt.reply(f"You do not have the permissions to bridge {that_this} room.")
+
+    # The /id bot command provides the prefixed ID, so we assume
+    tgid_str = evt.args[0]
+    if tgid_str.startswith("-100"):
+        tgid = TelegramID(int(tgid_str[4:]))
+        peer_type = "channel"
+    elif tgid_str.startswith("-"):
+        tgid = TelegramID(-int(tgid_str))
+        peer_type = "chat"
+    else:
+        return await evt.reply("That doesn't seem like a prefixed Telegram chat ID.\n\n"
+                               "If you did not get the ID using the `/id` bot command, please "
+                               "prefix channel IDs with `-100` and normal group IDs with `-`.\n\n"
+                               "Bridging private chats to existing rooms is not allowed.")
+
+    portal = po.Portal.get_by_tgid(tgid, peer_type=peer_type)
+    if not portal.allow_bridging:
+        return await evt.reply("This bridge doesn't allow bridging that Telegram chat.\n"
+                               "If you're the bridge admin, try "
+                               "`$cmdprefix+sp filter whitelist <Telegram chat ID>` first.")
+    if portal.mxid:
+        has_portal_message = (
+            "That Telegram chat already has a portal at "
+            f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}). ")
+        if not await user_has_power_level(portal.mxid, evt.az.intent, evt.sender, "unbridge"):
+            return await evt.reply(f"{has_portal_message}"
+                                   "Additionally, you do not have the permissions to unbridge "
+                                   "that room.")
+        evt.sender.command_status = {
+            "next": confirm_bridge,
+            "action": "Room bridging",
+            "mxid": portal.mxid,
+            "bridge_to_mxid": room_id,
+            "tgid": portal.tgid,
+            "peer_type": portal.peer_type,
+            "force_use_bot": force_use_bot,
+        }
+        return await evt.reply(f"{has_portal_message}"
+                               "However, you have the permissions to unbridge that room.\n\n"
+                               "To delete that portal completely and continue bridging, use "
+                               "`$cmdprefix+sp delete-and-continue`. To unbridge the portal "
+                               "without kicking Matrix users, use `$cmdprefix+sp unbridge-and-"
+                               "continue`. To cancel, use `$cmdprefix+sp cancel`")
+    evt.sender.command_status = {
+        "next": confirm_bridge,
+        "action": "Room bridging",
+        "bridge_to_mxid": room_id,
+        "tgid": portal.tgid,
+        "peer_type": portal.peer_type,
+        "force_use_bot": force_use_bot,
+    }
+    return await evt.reply("That Telegram chat has no existing portal. To confirm bridging the "
+                           "chat to this room, use `$cmdprefix+sp continue`")
+
+
+async def cleanup_old_portal_while_bridging(evt: CommandEvent, portal: "po.Portal"
+                                            ) -> Tuple[
+    bool, Optional[Coroutine[None, None, None]]]:
+    if not portal.mxid:
+        await evt.reply("The portal seems to have lost its Matrix room between you"
+                        "calling `$cmdprefix+sp bridge` and this command.\n\n"
+                        "Continuing without touching previous Matrix room...")
+        return True, None
+    elif evt.args[0] == "delete-and-continue":
+        return True, portal.cleanup_room(portal.main_intent, portal.mxid,
+                                         message="Portal deleted (moving to another room)")
+    elif evt.args[0] == "unbridge-and-continue":
+        return True, portal.cleanup_room(portal.main_intent, portal.mxid,
+                                         message="Room unbridged (portal moving to another room)",
+                                         puppets_only=True)
+    else:
+        await evt.reply(
+            "The chat you were trying to bridge already has a Matrix portal room.\n\n"
+            "Please use `$cmdprefix+sp delete-and-continue` or `$cmdprefix+sp unbridge-and-"
+            "continue` to either delete or unbridge the existing room (respectively) and "
+            "continue with the bridging.\n\n"
+            "If you changed your mind, use `$cmdprefix+sp cancel` to cancel.")
+        return False, None
+
+
+async def confirm_bridge(evt: CommandEvent) -> Optional[EventID]:
+    status = evt.sender.command_status
+    try:
+        portal = po.Portal.get_by_tgid(status["tgid"], peer_type=status["peer_type"])
+        bridge_to_mxid = status["bridge_to_mxid"]
+    except KeyError:
+        evt.sender.command_status = None
+        return await evt.reply("Fatal error: tgid or peer_type missing from command_status. "
+                               "This shouldn't happen unless you're messing with the command "
+                               "handler code.")
+    if "mxid" in status:
+        ok, coro = await cleanup_old_portal_while_bridging(evt, portal)
+        if not ok:
+            return None
+        elif coro:
+            asyncio.ensure_future(coro, loop=evt.loop)
+            await evt.reply("Cleaning up previous portal room...")
+    elif portal.mxid:
+        evt.sender.command_status = None
+        return await evt.reply("The portal seems to have created a Matrix room between you "
+                               "calling `$cmdprefix+sp bridge` and this command.\n\n"
+                               "Please start over by calling the bridge command again.")
+    elif evt.args[0] != "continue":
+        return await evt.reply("Please use `$cmdprefix+sp continue` to confirm the bridging or "
+                               "`$cmdprefix+sp cancel` to cancel.")
+
+    evt.sender.command_status = None
+    is_logged_in = await evt.sender.is_logged_in() and not status["force_use_bot"]
+    user = evt.sender if is_logged_in else evt.tgbot
+    try:
+        entity = await user.client.get_entity(portal.peer)
+    except Exception:
+        evt.log.exception("Failed to get_entity(%s) for manual bridging.", portal.peer)
+        if is_logged_in:
+            return await evt.reply("Failed to get info of telegram chat. "
+                                   "You are logged in, are you in that chat?")
+        else:
+            return await evt.reply("Failed to get info of telegram chat. "
+                                   "You're not logged in, is the relay bot in the chat?")
+    if isinstance(entity, (ChatForbidden, ChannelForbidden)):
+        if is_logged_in:
+            return await evt.reply("You don't seem to be in that chat.")
+        else:
+            return await evt.reply("The bot doesn't seem to be in that chat.")
+
+    direct = False
+
+    portal.mxid = bridge_to_mxid
+    portal.title, portal.about, levels = await get_initial_state(evt.az.intent, evt.room_id)
+    portal.photo_id = ""
+    portal.save()
+
+    asyncio.ensure_future(portal.update_matrix_room(user, entity, direct, levels=levels),
+                          loop=evt.loop)
+
+    return await evt.reply("Bridging complete. Portal synchronization should begin momentarily.")

mautrix_telegram/commands/portal/config.py

@@ -0,0 +1,134 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Awaitable
+from io import StringIO
+
+from mautrix.util.config import yaml
+from mautrix.types import EventID
+
+from ... import portal as po, util
+from .. import command_handler, CommandEvent, SECTION_PORTAL_MANAGEMENT
+
+
+@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_text="View or change per-portal settings.",
+                 help_args="<`help`|_subcommand_> [...]")
+async def config(evt: CommandEvent) -> None:
+    cmd = evt.args[0].lower() if len(evt.args) > 0 else "help"
+    if cmd not in ("view", "defaults", "set", "unset", "add", "del"):
+        await config_help(evt)
+        return
+    elif cmd == "defaults":
+        await config_defaults(evt)
+        return
+
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        await evt.reply("This is not a portal room.")
+        return
+    elif cmd == "view":
+        await config_view(evt, portal)
+        return
+
+    key = evt.args[1] if len(evt.args) > 1 else None
+    value = yaml.load(" ".join(evt.args[2:])) if len(evt.args) > 2 else None
+    if cmd == "set":
+        await config_set(evt, portal, key, value)
+    elif cmd == "unset":
+        await config_unset(evt, portal, key)
+    elif cmd == "add" or cmd == "del":
+        await config_add_del(evt, portal, key, value, cmd)
+    else:
+        return
+    portal.save()
+
+
+def config_help(evt: CommandEvent) -> Awaitable[EventID]:
+    return evt.reply("""**Usage:** `$cmdprefix config <subcommand> [...]`. Subcommands:
+
+* **help** - View this help text.
+* **view** - View the current config data.
+* **defaults** - View the default config values.
+* **set** <_key_> <_value_> - Set a config value.
+* **unset** <_key_> - Remove a config value.
+* **add** <_key_> <_value_> - Add a value to an array.
+* **del** <_key_> <_value_> - Remove a value from an array.
+""")
+
+
+def config_view(evt: CommandEvent, portal: po.Portal) -> Awaitable[EventID]:
+    stream = StringIO()
+    yaml.dump(portal.local_config, stream)
+    return evt.reply(f"Room-specific config:\n\n```yaml\n{stream.getvalue()}```")
+
+
+def config_defaults(evt: CommandEvent) -> Awaitable[EventID]:
+    stream = StringIO()
+    yaml.dump({
+        "bridge_notices": {
+            "default": evt.config["bridge.bridge_notices.default"],
+            "exceptions": evt.config["bridge.bridge_notices.exceptions"],
+        },
+        "bot_messages_as_notices": evt.config["bridge.bot_messages_as_notices"],
+        "inline_images": evt.config["bridge.inline_images"],
+        "message_formats": evt.config["bridge.message_formats"],
+        "emote_format": evt.config["bridge.emote_format"],
+        "state_event_formats": evt.config["bridge.state_event_formats"],
+        "telegram_link_preview": evt.config["bridge.telegram_link_preview"],
+    }, stream)
+    return evt.reply(f"Bridge instance wide config:\n\n```yaml\n{stream.getvalue()}```")
+
+
+def config_set(evt: CommandEvent, portal: po.Portal, key: str, value: str) -> Awaitable[EventID]:
+    if not key or value is None:
+        return evt.reply(f"**Usage:** `$cmdprefix+sp config set <key> <value>`")
+    elif util.recursive_set(portal.local_config, key, value):
+        return evt.reply(f"Successfully set the value of `{key}` to `{value}`.")
+    else:
+        return evt.reply(f"Failed to set value of `{key}`. "
+                         "Does the path contain non-map types?")
+
+
+def config_unset(evt: CommandEvent, portal: po.Portal, key: str) -> Awaitable[EventID]:
+    if not key:
+        return evt.reply(f"**Usage:** `$cmdprefix+sp config unset <key>`")
+    elif util.recursive_del(portal.local_config, key):
+        return evt.reply(f"Successfully deleted `{key}` from config.")
+    else:
+        return evt.reply(f"`{key}` not found in config.")
+
+
+def config_add_del(evt: CommandEvent, portal: po.Portal, key: str, value: str, cmd: str
+                   ) -> Awaitable[EventID]:
+    if not key or value is None:
+        return evt.reply(f"**Usage:** `$cmdprefix+sp config {cmd} <key> <value>`")
+
+    arr = util.recursive_get(portal.local_config, key)
+    if not arr:
+        return evt.reply(f"`{key}` not found in config. "
+                         f"Maybe do `$cmdprefix+sp config set {key} []` first?")
+    elif not isinstance(arr, list):
+        return evt.reply("`{key}` does not seem to be an array.")
+    elif cmd == "add":
+        if value in arr:
+            return evt.reply(f"The array at `{key}` already contains `{value}`.")
+        arr.append(value)
+        return evt.reply(f"Successfully added `{value}` to the array at `{key}`")
+    else:
+        if value not in arr:
+            return evt.reply(f"The array at `{key}` does not contain `{value}`.")
+        arr.remove(value)
+        return evt.reply(f"Successfully removed `{value}` from the array at `{key}`")

mautrix_telegram/commands/portal/create_chat.py

@@ -0,0 +1,60 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from mautrix.types import EventID
+
+from ... import portal as po
+from ...types import TelegramID
+from .. import command_handler, CommandEvent, SECTION_CREATING_PORTALS
+from .util import user_has_power_level, get_initial_state
+
+
+@command_handler(help_section=SECTION_CREATING_PORTALS,
+                 help_args="[_type_]",
+                 help_text="Create a Telegram chat of the given type for the current Matrix room. "
+                           "The type is either `group`, `supergroup` or `channel` (defaults to "
+                           "`group`).")
+async def create(evt: CommandEvent) -> EventID:
+    type = evt.args[0] if len(evt.args) > 0 else "group"
+    if type not in {"chat", "group", "supergroup", "channel"}:
+        return await evt.reply(
+            "**Usage:** `$cmdprefix+sp create ['group'/'supergroup'/'channel']`")
+
+    if po.Portal.get_by_mxid(evt.room_id):
+        return await evt.reply("This is already a portal room.")
+
+    if not await user_has_power_level(evt.room_id, evt.az.intent, evt.sender, "bridge"):
+        return await evt.reply("You do not have the permissions to bridge this room.")
+
+    title, about, levels = await get_initial_state(evt.az.intent, evt.room_id)
+    if not title:
+        return await evt.reply("Please set a title before creating a Telegram chat.")
+
+    supergroup = type == "supergroup"
+    type = {
+        "supergroup": "channel",
+        "channel": "channel",
+        "chat": "chat",
+        "group": "chat",
+    }[type]
+
+    portal = po.Portal(tgid=TelegramID(0), peer_type=type,
+                       mxid=evt.room_id, title=title, about=about)
+    try:
+        await portal.create_telegram_chat(evt.sender, supergroup=supergroup)
+    except ValueError as e:
+        portal.delete()
+        return await evt.reply(e.args[0])
+    return await evt.reply(f"Telegram chat created. ID: {portal.tgid}")

mautrix_telegram/commands/portal/filter.py

@@ -0,0 +1,95 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from mautrix.types import EventID
+
+from ... import portal as po
+from .. import command_handler, CommandEvent, SECTION_ADMIN
+
+
+@command_handler(needs_admin=True,
+                 help_section=SECTION_ADMIN,
+                 help_args="<`whitelist`|`blacklist`>",
+                 help_text="Change whether the bridge will allow or disallow bridging rooms by "
+                           "default.")
+async def filter_mode(evt: CommandEvent) -> EventID:
+    try:
+        mode = evt.args[0]
+        if mode not in ("whitelist", "blacklist"):
+            raise ValueError()
+    except (IndexError, ValueError):
+        return await evt.reply("**Usage:** `$cmdprefix+sp filter-mode <whitelist/blacklist>`")
+
+    evt.config["bridge.filter.mode"] = mode
+    evt.config.save()
+    po.Portal.filter_mode = mode
+    if mode == "whitelist":
+        return await evt.reply("The bridge will now disallow bridging chats by default.\n"
+                               "To allow bridging a specific chat, use"
+                               "`!filter whitelist <chat ID>`.")
+    else:
+        return await evt.reply("The bridge will now allow bridging chats by default.\n"
+                               "To disallow bridging a specific chat, use"
+                               "`!filter blacklist <chat ID>`.")
+
+
+@command_handler(name="filter", needs_admin=True,
+                 help_section=SECTION_ADMIN,
+                 help_args="<`whitelist`|`blacklist`> <_chat ID_>",
+                 help_text="Allow or disallow bridging a specific chat.")
+async def edit_filter(evt: CommandEvent) -> EventID:
+    try:
+        action = evt.args[0]
+        if action not in ("whitelist", "blacklist", "add", "remove"):
+            raise ValueError()
+
+        id_str = evt.args[1]
+        if id_str.startswith("-100"):
+            filter_id = int(id_str[4:])
+        elif id_str.startswith("-"):
+            filter_id = int(id_str[1:])
+        else:
+            filter_id = int(id_str)
+    except (IndexError, ValueError):
+        return await evt.reply("**Usage:** `$cmdprefix+sp filter <whitelist/blacklist> <chat ID>`")
+
+    mode = evt.config["bridge.filter.mode"]
+    if mode not in ("blacklist", "whitelist"):
+        return await evt.reply(f"Unknown filter mode \"{mode}\". Please fix the bridge config.")
+
+    filter_id_list = evt.config["bridge.filter.list"]
+
+    if action in ("blacklist", "whitelist"):
+        action = "add" if mode == action else "remove"
+
+    def save() -> None:
+        evt.config["bridge.filter.list"] = filter_id_list
+        evt.config.save()
+        po.Portal.filter_list = filter_id_list
+
+    if action == "add":
+        if filter_id in filter_id_list:
+            return await evt.reply(f"That chat is already {mode}ed.")
+        filter_id_list.append(filter_id)
+        save()
+        return await evt.reply(f"Chat ID added to {mode}.")
+    elif action == "remove":
+        if filter_id not in filter_id_list:
+            return await evt.reply(f"That chat is not {mode}ed.")
+        filter_id_list.remove(filter_id)
+        save()
+        return await evt.reply(f"Chat ID removed from {mode}.")
+    else:
+        return await evt.reply("**Usage:** `$cmdprefix+sp filter <whitelist/blacklist> <chat ID>`")

mautrix_telegram/commands/portal/misc.py

@@ -0,0 +1,154 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from telethon.tl.functions.channels import GetFullChannelRequest
+from telethon.tl.functions.messages import GetFullChatRequest
+from telethon.errors import (ChatAdminRequiredError, UsernameInvalidError,
+                             UsernameNotModifiedError, UsernameOccupiedError, RPCError)
+
+from mautrix.types import EventID
+
+from ... import portal as po
+from .. import command_handler, CommandEvent, SECTION_PORTAL_MANAGEMENT, SECTION_MISC
+from .util import user_has_power_level
+
+
+@command_handler(needs_admin=False, needs_puppeting=False, needs_auth=False,
+                 help_section=SECTION_MISC,
+                 help_text="Fetch Matrix room state to ensure the bridge has up-to-date info.")
+async def sync_state(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+    elif not await user_has_power_level(evt.room_id, evt.az.intent, evt.sender, "bridge"):
+        return await evt.reply(f"You do not have the permissions to synchronize this room.")
+
+    await portal.sync_matrix_members()
+    await evt.reply("Synchronization complete")
+
+
+@command_handler(needs_admin=False, needs_puppeting=False, needs_auth=False,
+                 help_section=SECTION_MISC)
+async def sync_full(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+
+    if len(evt.args) > 0 and evt.args[0] == "--usebot" and evt.sender.is_admin:
+        src = evt.tgbot
+    else:
+        src = evt.tgbot if await evt.sender.needs_relaybot(portal) else evt.sender
+
+    try:
+        if portal.peer_type == "channel":
+            res = await src.client(GetFullChannelRequest(portal.peer))
+        elif portal.peer_type == "chat":
+            res = await src.client(GetFullChatRequest(portal.tgid))
+        else:
+            return await evt.reply("This is not a channel or chat portal.")
+    except (ValueError, RPCError):
+        return await evt.reply("Failed to get portal info from Telegram.")
+
+    await portal.update_matrix_room(src, res.full_chat)
+    return await evt.reply("Portal synced successfully.")
+
+
+@command_handler(name="id", needs_admin=False, needs_puppeting=False, needs_auth=False,
+                 help_section=SECTION_MISC,
+                 help_text="Get the ID of the Telegram chat where this room is bridged.")
+async def get_id(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+    tgid = portal.tgid
+    if portal.peer_type == "chat":
+        tgid = -tgid
+    elif portal.peer_type == "channel":
+        tgid = f"-100{tgid}"
+    await evt.reply(f"This room is bridged to Telegram chat ID `{tgid}`.")
+
+
+@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_text="Get a Telegram invite link to the current chat.")
+async def invite_link(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+
+    if portal.peer_type == "user":
+        return await evt.reply("You can't invite users to private chats.")
+
+    try:
+        link = await portal.get_invite_link(evt.sender)
+        return await evt.reply(f"Invite link to {portal.title}: {link}")
+    except ValueError as e:
+        return await evt.reply(e.args[0])
+    except ChatAdminRequiredError:
+        return await evt.reply("You don't have the permission to create an invite link.")
+
+
+@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_text="Upgrade a normal Telegram group to a supergroup.")
+async def upgrade(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+    elif portal.peer_type == "channel":
+        return await evt.reply("This is already a supergroup or a channel.")
+    elif portal.peer_type == "user":
+        return await evt.reply("You can't upgrade private chats.")
+
+    try:
+        await portal.upgrade_telegram_chat(evt.sender)
+        return await evt.reply(f"Group upgraded to supergroup. New ID: -100{portal.tgid}")
+    except ChatAdminRequiredError:
+        return await evt.reply("You don't have the permission to upgrade this group.")
+    except ValueError as e:
+        return await evt.reply(e.args[0])
+
+
+@command_handler(help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_args="<_name_|`-`>",
+                 help_text="Change the username of a supergroup/channel. "
+                           "To disable, use a dash (`-`) as the name.")
+async def group_name(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp group-name <name/->`")
+
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+    elif portal.peer_type != "channel":
+        return await evt.reply("Only channels and supergroups have usernames.")
+
+    try:
+        await portal.set_telegram_username(evt.sender,
+                                           evt.args[0] if evt.args[0] != "-" else "")
+        if portal.username:
+            return await evt.reply(f"Username of channel changed to {portal.username}.")
+        else:
+            return await evt.reply(f"Channel is now private.")
+    except ChatAdminRequiredError:
+        return await evt.reply(
+            "You don't have the permission to set the username of this channel.")
+    except UsernameNotModifiedError:
+        if portal.username:
+            return await evt.reply("That is already the username of this channel.")
+        else:
+            return await evt.reply("This channel is already private")
+    except UsernameOccupiedError:
+        return await evt.reply("That username is already in use.")
+    except UsernameInvalidError:
+        return await evt.reply("Invalid username")

mautrix_telegram/commands/portal/unbridge.py

@@ -0,0 +1,97 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Dict, Callable, Optional
+
+from mautrix.types import RoomID, EventID
+
+from ... import portal as po
+from .. import command_handler, CommandEvent, SECTION_PORTAL_MANAGEMENT
+from .util import user_has_power_level
+
+
+async def _get_portal_and_check_permission(evt: CommandEvent, permission: str,
+                                           action: Optional[str] = None
+                                           ) -> Optional[po.Portal]:
+    room_id = RoomID(evt.args[0]) if len(evt.args) > 0 else evt.room_id
+
+    portal = po.Portal.get_by_mxid(room_id)
+    if not portal:
+        that_this = "This" if room_id == evt.room_id else "That"
+        await evt.reply(f"{that_this} is not a portal room.")
+        return None
+
+    if not await user_has_power_level(portal.mxid, evt.az.intent, evt.sender, permission):
+        action = action or f"{permission.replace('_', ' ')}s"
+        await evt.reply(f"You do not have the permissions to {action} that portal.")
+        return None
+    return portal
+
+
+def _get_portal_murder_function(action: str, room_id: str, function: Callable, command: str,
+                                completed_message: str) -> Dict:
+    async def post_confirm(confirm) -> Optional[EventID]:
+        confirm.sender.command_status = None
+        if len(confirm.args) > 0 and confirm.args[0] == f"confirm-{command}":
+            await function()
+            if confirm.room_id != room_id:
+                return await confirm.reply(completed_message)
+        else:
+            return await confirm.reply(f"{action} cancelled.")
+        return None
+
+    return {
+        "next": post_confirm,
+        "action": action,
+    }
+
+
+@command_handler(needs_auth=False, needs_puppeting=False,
+                 help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_text="Remove all users from the current portal room and forget the portal. "
+                           "Only works for group chats; to delete a private chat portal, simply "
+                           "leave the room.")
+async def delete_portal(evt: CommandEvent) -> Optional[EventID]:
+    portal = await _get_portal_and_check_permission(evt, "unbridge")
+    if not portal:
+        return None
+
+    evt.sender.command_status = _get_portal_murder_function("Portal deletion", portal.mxid,
+                                                            portal.cleanup_and_delete, "delete",
+                                                            "Portal successfully deleted.")
+    return await evt.reply("Please confirm deletion of portal "
+                           f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}) "
+                           f"to Telegram chat \"{portal.title}\" "
+                           "by typing `$cmdprefix+sp confirm-delete`"
+                           "\n\n"
+                           "**WARNING:** If the bridge bot has the power level to do so, **this "
+                           "will kick ALL users** in the room. If you just want to remove the "
+                           "bridge, use `$cmdprefix+sp unbridge` instead.")
+
+
+@command_handler(needs_auth=False, needs_puppeting=False,
+                 help_section=SECTION_PORTAL_MANAGEMENT,
+                 help_text="Remove puppets from the current portal room and forget the portal.")
+async def unbridge(evt: CommandEvent) -> Optional[EventID]:
+    portal = await _get_portal_and_check_permission(evt, "unbridge")
+    if not portal:
+        return None
+
+    evt.sender.command_status = _get_portal_murder_function("Room unbridging", portal.mxid,
+                                                            portal.unbridge, "unbridge",
+                                                            "Room successfully unbridged.")
+    return await evt.reply(f"Please confirm unbridging chat \"{portal.title}\" from room "
+                           f"[{portal.alias or portal.mxid}](https://matrix.to/#/{portal.mxid}) "
+                           "by typing `$cmdprefix+sp confirm-unbridge`")

mautrix_telegram/commands/portal/util.py

@@ -0,0 +1,60 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Tuple, Optional
+
+from mautrix.errors import MatrixRequestError
+from mautrix.appservice import IntentAPI
+from mautrix.types import RoomID, EventType, PowerLevelStateEventContent
+
+from ... import user as u
+
+OptStr = Optional[str]
+
+
+async def get_initial_state(intent: IntentAPI, room_id: RoomID
+                            ) -> Tuple[OptStr, OptStr, Optional[PowerLevelStateEventContent]]:
+    state = await intent.get_state(room_id)
+    title: OptStr = None
+    about: OptStr = None
+    levels: Optional[PowerLevelStateEventContent] = None
+    for event in state:
+        try:
+            if event.type == EventType.ROOM_NAME:
+                title = event.content.name
+            elif event.type == EventType.ROOM_TOPIC:
+                about = event.content.topic
+            elif event.type == EventType.ROOM_POWER_LEVELS:
+                levels = event.content
+            elif event.type == EventType.ROOM_CANONICAL_ALIAS:
+                title = title or event.content.canonical_alias
+        except KeyError:
+            # Some state event probably has empty content
+            pass
+    return title, about, levels
+
+
+async def user_has_power_level(room_id: RoomID, intent: IntentAPI, sender: u.User,
+                               event: str) -> bool:
+    if sender.is_admin:
+        return True
+    # Make sure the state store contains the power levels.
+    try:
+        await intent.get_power_levels(room_id)
+    except MatrixRequestError:
+        return False
+    event_type = EventType.find(f"net.maunium.telegram.{event}")
+    event_type.t_class = EventType.Class.STATE
+    return intent.state_store.has_power_level(room_id, sender.mxid, event_type)

mautrix_telegram/commands/telegram.py

@@ -1,160 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Awaitable, Dict, List, Optional, Tuple
-import re
-
-from telethon.errors import (
-    InviteHashInvalidError, InviteHashExpiredError, UserAlreadyParticipantError)
-from telethon.tl.types import User as TLUser
-from telethon.tl.types import TypeUpdates
-from telethon.tl.functions.messages import ImportChatInviteRequest, CheckChatInviteRequest
-from telethon.tl.functions.channels import JoinChannelRequest
-
-from .. import puppet as pu, portal as po
-from . import command_handler, CommandEvent, SECTION_MISC, SECTION_CREATING_PORTALS
-
-
-@command_handler(help_section=SECTION_MISC,
-                 help_args="[_-r|--remote_] <_query_>",
-                 help_text="Search your contacts or the Telegram servers for users.")
-async def search(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp search [-r|--remote] <query>`")
-
-    force_remote = False
-    if evt.args[0] in {"-r", "--remote"}:
-        force_remote = True
-        evt.args.pop(0)
-
-    query = " ".join(evt.args)
-    if force_remote and len(query) < 5:
-        return await evt.reply("Minimum length of query for remote search is 5 characters.")
-
-    results, remote = await evt.sender.search(query, force_remote)
-
-    if not results:
-        if len(query) < 5 and remote:
-            return await evt.reply("No local results. "
-                                   "Minimum length of remote query is 5 characters.")
-        return await evt.reply("No results 3:")
-
-    reply = []  # type: List[str]
-    if remote:
-        reply += ["**Results from Telegram server:**", ""]
-    else:
-        reply += ["**Results in contacts:**", ""]
-    reply += [(f"* [{puppet.displayname}](https://matrix.to/#/{puppet.mxid}): "
-               f"{puppet.id} ({similarity}% match)")
-              for puppet, similarity in results]
-
-    # TODO somehow show remote channel results when joining by alias is possible?
-
-    return await evt.reply("\n".join(reply))
-
-
-@command_handler(name="pm",
-                 help_section=SECTION_CREATING_PORTALS,
-                 help_args="<_identifier_>",
-                 help_text="Open a private chat with the given Telegram user. The identifier is "
-                           "either the internal user ID, the username or the phone number. "
-                           "**N.B.** The phone numbers you start chats with must already be in "
-                           "your contacts.")
-async def private_message(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp pm <user identifier>`")
-
-    try:
-        user = await evt.sender.client.get_entity(evt.args[0])
-    except ValueError:
-        return await evt.reply("Invalid user identifier or user not found.")
-
-    if not user:
-        return await evt.reply("User not found.")
-    elif not isinstance(user, TLUser):
-        return await evt.reply("That doesn't seem to be a user.")
-    portal = po.Portal.get_by_entity(user, evt.sender.tgid)
-    await portal.create_matrix_room(evt.sender, user, [evt.sender.mxid])
-    return await evt.reply("Created private chat room with "
-                           f"{pu.Puppet.get_displayname(user, False)}")
-
-
-async def _join(evt: CommandEvent, arg: str) -> Tuple[Optional[TypeUpdates], Optional[Dict]]:
-    if arg.startswith("joinchat/"):
-        invite_hash = arg[len("joinchat/"):]
-        try:
-            await evt.sender.client(CheckChatInviteRequest(invite_hash))
-        except InviteHashInvalidError:
-            return None, await evt.reply("Invalid invite link.")
-        except InviteHashExpiredError:
-            return None, await evt.reply("Invite link expired.")
-        try:
-            return (await evt.sender.client(ImportChatInviteRequest(invite_hash))), None
-        except UserAlreadyParticipantError:
-            return None, await evt.reply("You are already in that chat.")
-    else:
-        channel = await evt.sender.client.get_entity(arg)
-        if not channel:
-            return None, await evt.reply("Channel/supergroup not found.")
-        return await evt.sender.client(JoinChannelRequest(channel)), None
-
-
-@command_handler(help_section=SECTION_CREATING_PORTALS,
-                 help_args="<_link_>",
-                 help_text="Join a chat with an invite link.")
-async def join(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp join <invite link>`")
-
-    regex = re.compile(r"(?:https?://)?t(?:elegram)?\.(?:dog|me)(?:joinchat/)?/(.+)")
-    arg = regex.match(evt.args[0])
-    if not arg:
-        return await evt.reply("That doesn't look like a Telegram invite link.")
-
-    updates, _ = await _join(evt, arg.group(1))
-    if not updates:
-        return None
-
-    for chat in updates.chats:
-        portal = po.Portal.get_by_entity(chat)
-        if portal.mxid:
-            await portal.invite_to_matrix([evt.sender.mxid])
-            return await evt.reply(f"Invited you to portal of {portal.title}")
-        else:
-            await evt.reply(f"Creating room for {chat.title}... This might take a while.")
-            await portal.create_matrix_room(evt.sender, chat, [evt.sender.mxid])
-            return await evt.reply(f"Created room for {portal.title}")
-    return None
-
-
-@command_handler(help_section=SECTION_MISC,
-                 help_args="[`chats`|`contacts`|`me`]",
-                 help_text="Synchronize your chat portals, contacts and/or own info.")
-async def sync(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) > 0:
-        sync_only = evt.args[0]
-        if sync_only not in ("chats", "contacts", "me"):
-            return await evt.reply("**Usage:** `$cmdprefix+sp sync [chats|contacts|me]`")
-    else:
-        sync_only = None
-
-    if not sync_only or sync_only == "chats":
-        await evt.sender.sync_dialogs(synchronous_create=True)
-    if not sync_only or sync_only == "contacts":
-        await evt.sender.sync_contacts()
-    if not sync_only or sync_only == "me":
-        await evt.sender.update_info()
-    return await evt.reply("Synchronization complete.")

mautrix_telegram/commands/telegram/__init__.py

@@ -0,0 +1 @@
+from . import account, auth, misc

mautrix_telegram/commands/telegram/account.py

@@ -0,0 +1,125 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
+from telethon.errors import (UsernameInvalidError, UsernameNotModifiedError, UsernameOccupiedError,
+                             HashInvalidError, AuthKeyError, FirstNameInvalidError)
+from telethon.tl.types import Authorization
+from telethon.tl.functions.account import (UpdateUsernameRequest, GetAuthorizationsRequest,
+                                           ResetAuthorizationRequest, UpdateProfileRequest)
+
+from mautrix.types import EventID
+
+from .. import command_handler, CommandEvent, SECTION_AUTH
+
+
+@command_handler(needs_auth=True,
+                 help_section=SECTION_AUTH,
+                 help_args="<_new username_>",
+                 help_text="Change your Telegram username.")
+async def username(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp username <new username>`")
+    if evt.sender.is_bot:
+        return await evt.reply("Bots can't set their own username.")
+    new_name = evt.args[0]
+    if new_name == "-":
+        new_name = ""
+    try:
+        await evt.sender.client(UpdateUsernameRequest(username=new_name))
+    except UsernameInvalidError:
+        return await evt.reply("Invalid username. Usernames must be between 5 and 30 alphanumeric "
+                               "characters.")
+    except UsernameNotModifiedError:
+        return await evt.reply("That is your current username.")
+    except UsernameOccupiedError:
+        return await evt.reply("That username is already in use.")
+    await evt.sender.update_info()
+    if not evt.sender.username:
+        await evt.reply("Username removed")
+    else:
+        await evt.reply(f"Username changed to {evt.sender.username}")
+
+
+@command_handler(needs_auth=True, help_section=SECTION_AUTH, help_args="<_new displayname_>",
+                 help_text="Change your Telegram displayname.")
+async def displayname(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp displayname <new displayname>`")
+    if evt.sender.is_bot:
+        return await evt.reply("Bots can't set their own displayname.")
+
+    first_name, last_name = ((evt.args[0], "")
+                             if len(evt.args) == 1
+                             else (" ".join(evt.args[:-1]), evt.args[-1]))
+    try:
+        await evt.sender.client(UpdateProfileRequest(first_name=first_name, last_name=last_name))
+    except FirstNameInvalidError:
+        return await evt.reply("Invalid first name")
+    await evt.sender.update_info()
+    return await evt.reply("Displayname updated")
+
+
+def _format_session(sess: Authorization) -> str:
+    return (f"**{sess.app_name} {sess.app_version}**  \n"
+            f"  **Platform:** {sess.device_model} {sess.platform} {sess.system_version}  \n"
+            f"  **Active:** {sess.date_active} (created {sess.date_created})  \n"
+            f"  **From:** {sess.ip} - {sess.region}, {sess.country}")
+
+
+@command_handler(needs_auth=True,
+                 help_section=SECTION_AUTH,
+                 help_args="<`list`|`terminate`> [_hash_]",
+                 help_text="View or delete other Telegram sessions.")
+async def session(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp session <list|terminate> [hash]`")
+    elif evt.sender.is_bot:
+        return await evt.reply("Bots can't manage their sessions")
+    cmd = evt.args[0].lower()
+    if cmd == "list":
+        res = await evt.sender.client(GetAuthorizationsRequest())
+        session_list = res.authorizations
+        current = [s for s in session_list if s.current][0]
+        current_text = _format_session(current)
+        other_text = "\n".join(f"* {_format_session(sess)}  \n"
+                               f"  **Hash:** {sess.hash}"
+                               for sess in session_list if not sess.current)
+        return await evt.reply(f"### Current session\n"
+                               f"{current_text}\n"
+                               f"\n"
+                               f"### Other active sessions\n"
+                               f"{other_text}")
+    elif cmd == "terminate" and len(evt.args) > 1:
+        try:
+            session_hash = int(evt.args[1])
+        except ValueError:
+            return await evt.reply("Hash must be an integer")
+        try:
+            ok = await evt.sender.client(ResetAuthorizationRequest(hash=session_hash))
+        except HashInvalidError:
+            return await evt.reply("Invalid session hash.")
+        except AuthKeyError as e:
+            if e.message == "FRESH_RESET_AUTHORISATION_FORBIDDEN":
+                return await evt.reply("New sessions can't terminate other sessions. "
+                                       "Please wait a while.")
+            raise
+        if ok:
+            return await evt.reply("Session terminated successfully.")
+        else:
+            return await evt.reply("Session not found.")
+    else:
+        return await evt.reply("**Usage:** `$cmdprefix+sp session <list|terminate> [hash]`")

mautrix_telegram/commands/telegram/auth.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -17,24 +16,27 @@
 from typing import Any, Dict, Optional
 import asyncio
 
-from telethon.errors import (
+from telethon.errors import (  # isort: skip
     AccessTokenExpiredError, AccessTokenInvalidError, FirstNameInvalidError, FloodWaitError,
     PasswordHashInvalidError, PhoneCodeExpiredError, PhoneCodeInvalidError,
     PhoneNumberAppSignupForbiddenError, PhoneNumberBannedError, PhoneNumberFloodError,
     PhoneNumberOccupiedError, PhoneNumberUnoccupiedError, SessionPasswordNeededError)
 
-from . import command_handler, CommandEvent, SECTION_AUTH
-from .. import puppet as pu, user as u
-from ..util import format_duration
+from mautrix.types import EventID
+
+from ... import user as u
+from ...commands import command_handler, CommandEvent, SECTION_AUTH
+from ...util import format_duration
 
 
 @command_handler(needs_auth=False,
                  help_section=SECTION_AUTH,
                  help_text="Check if you're logged into Telegram.")
-async def ping(evt: CommandEvent) -> Optional[Dict]:
+async def ping(evt: CommandEvent) -> EventID:
     me = await evt.sender.client.get_me() if await evt.sender.is_logged_in() else None
     if me:
-        return await evt.reply(f"You're logged in as @{me.username}")
+        human_tg_id = f"@{me.username}" if me.username else f"+{me.phone}"
+        return await evt.reply(f"You're logged in as {human_tg_id}")
     else:
         return await evt.reply("You're not logged in.")
 
@@ -42,87 +44,20 @@ async def ping(evt: CommandEvent) -> Optional[Dict]:
 @command_handler(needs_auth=False, needs_puppeting=False,
                  help_section=SECTION_AUTH,
                  help_text="Get the info of the message relay Telegram bot.")
-async def ping_bot(evt: CommandEvent) -> Optional[Dict]:
+async def ping_bot(evt: CommandEvent) -> EventID:
     if not evt.tgbot:
         return await evt.reply("Telegram message relay bot not configured.")
-    bot_info = await evt.tgbot.client.get_me()
-    mxid = pu.Puppet.get_mxid_from_id(bot_info.id)
-    displayname = bot_info.first_name
+    info, mxid = await evt.tgbot.get_me(use_cache=False)
     return await evt.reply("Telegram message relay bot is active: "
-                           f"[{displayname}](https://matrix.to/#/{mxid}) (ID {bot_info.id})\n\n"
+                           f"[{info.first_name}](https://matrix.to/#/{mxid}) (ID {info.id})\n\n"
                            "To use the bot, simply invite it to a portal room.")
 
 
-@command_handler(needs_auth=True, needs_matrix_puppeting=True,
-                 help_section=SECTION_AUTH,
-                 help_text="Revert your Telegram account's Matrix puppet to use the default Matrix "
-                           "account.")
-async def logout_matrix(evt: CommandEvent) -> Optional[Dict]:
-    puppet = pu.Puppet.get(evt.sender.tgid)
-    if not puppet.is_real_user:
-        return await evt.reply("You are not logged in with your Matrix account.")
-    await puppet.switch_mxid(None, None)
-    return await evt.reply("Reverted your Telegram account's Matrix puppet back to the default.")
-
-
-@command_handler(needs_auth=True, management_only=True, needs_matrix_puppeting=True,
-                 help_section=SECTION_AUTH,
-                 help_text="Replace your Telegram account's Matrix puppet with your own Matrix "
-                           "account")
-async def login_matrix(evt: CommandEvent) -> Optional[Dict]:
-    puppet = pu.Puppet.get(evt.sender.tgid)
-    if puppet.is_real_user:
-        return await evt.reply("You have already logged in with your Matrix account. "
-                               "Log out with `$cmdprefix+sp logout-matrix` first.")
-    allow_matrix_login = evt.config.get("bridge.allow_matrix_login", True)
-    if allow_matrix_login:
-        evt.sender.command_status = {
-            "next": enter_matrix_token,
-            "action": "Matrix login",
-        }
-    if evt.config["appservice.public.enabled"]:
-        prefix = evt.config["appservice.public.external"]
-        url = f"{prefix}/matrix-login?token={evt.public_website.make_token(evt.sender.mxid, '/matrix-login')}"
-        if allow_matrix_login:
-            return await evt.reply(
-                "This bridge instance allows you to log in inside or outside Matrix.\n\n"
-                "If you would like to log in within Matrix, please send your Matrix access token "
-                "here.\n"
-                f"If you would like to log in outside of Matrix, [click here]({url}).\n\n"
-                "Logging in outside of Matrix is recommended, because in-Matrix login would save "
-                "your access token in the message history.")
-        return await evt.reply("This bridge instance does not allow logging in inside Matrix.\n\n"
-                               f"Please visit [the login page]({url}) to log in.")
-    elif allow_matrix_login:
-        return await evt.reply(
-            "This bridge instance does not allow you to log in outside of Matrix.\n\n"
-            "Please send your Matrix access token here to log in.")
-    return await evt.reply("This bridge instance has been configured to not allow logging in.")
-
-
-async def enter_matrix_token(evt: CommandEvent) -> Dict:
-    evt.sender.command_status = None
-
-    puppet = pu.Puppet.get(evt.sender.tgid)
-    if puppet.is_real_user:
-        return await evt.reply("You have already logged in with your Matrix account. "
-                               "Log out with `$cmdprefix+sp logout-matrix` first.")
-
-    resp = await puppet.switch_mxid(" ".join(evt.args), evt.sender.mxid)
-    if resp == pu.PuppetError.OnlyLoginSelf:
-        return await evt.reply("You can only log in as your own Matrix user.")
-    elif resp == pu.PuppetError.InvalidAccessToken:
-        return await evt.reply("Failed to verify access token.")
-    assert resp == pu.PuppetError.Success, "Encountered an unhandled PuppetError."
-    return await evt.reply(
-        f"Replaced your Telegram account's Matrix puppet with {puppet.custom_mxid}.")
-
-
 @command_handler(needs_auth=False, management_only=True,
                  help_section=SECTION_AUTH,
                  help_args="<_phone_> <_full name_>",
                  help_text="Register to Telegram")
-async def register(evt: CommandEvent) -> Optional[Dict]:
+async def register(evt: CommandEvent) -> Optional[EventID]:
     if await evt.sender.is_logged_in():
         return await evt.reply("You are already logged in.")
     elif len(evt.args) < 1:
@@ -134,7 +69,7 @@ async def register(evt: CommandEvent) -> Optional[Dict]:
     else:
         full_name = " ".join(evt.args[1:-1]), evt.args[-1]
 
-    await request_code(evt, phone_number, {
+    await _request_code(evt, phone_number, {
         "next": enter_code_register,
         "action": "Register",
         "full_name": full_name,
@@ -142,7 +77,7 @@ async def register(evt: CommandEvent) -> Optional[Dict]:
     return None
 
 
-async def enter_code_register(evt: CommandEvent) -> Dict:
+async def enter_code_register(evt: CommandEvent) -> EventID:
     if len(evt.args) == 0:
         return await evt.reply("**Usage:** `$cmdprefix+sp <code>`")
     try:
@@ -171,39 +106,44 @@ async def enter_code_register(evt: CommandEvent) -> Dict:
 @command_handler(needs_auth=False, management_only=True,
                  help_section=SECTION_AUTH,
                  help_text="Get instructions on how to log in.")
-async def login(evt: CommandEvent) -> Optional[Dict]:
+async def login(evt: CommandEvent) -> EventID:
+    override_sender = False
+    if len(evt.args) > 0 and evt.sender.is_admin:
+        evt.sender = await u.User.get_by_mxid(evt.args[0]).ensure_started()
+        override_sender = True
     if await evt.sender.is_logged_in():
         return await evt.reply(f"You are already logged in as {evt.sender.human_tg_id}.")
 
     allow_matrix_login = evt.config.get("bridge.allow_matrix_login", True)
-    if allow_matrix_login:
+    if allow_matrix_login and not override_sender:
         evt.sender.command_status = {
             "next": enter_phone_or_token,
             "action": "Login",
         }
 
+    nb = "**N.B. Logging in grants the bridge full access to your Telegram account.**"
     if evt.config["appservice.public.enabled"]:
         prefix = evt.config["appservice.public.external"]
         url = f"{prefix}/login?token={evt.public_website.make_token(evt.sender.mxid, '/login')}"
-        if allow_matrix_login:
-            return await evt.reply(
-                "This bridge instance allows you to log in inside or outside Matrix.\n\n"
-                "If you would like to log in within Matrix, please send your phone number or bot "
-                "auth token here.\n"
-                f"If you would like to log in outside of Matrix, [click here]({url}).\n\n"
-                "Logging in outside of Matrix is recommended if you have two-factor authentication "
-                "enabled, because in-Matrix login would save your password in the message history.")
-        return await evt.reply("This bridge instance does not allow logging in inside Matrix.\n\n"
-                               f"Please visit [the login page]({url}) to log in.")
+        if override_sender:
+            return await evt.reply(f"[Click here to log in]({url}) as "
+                                   f"[{evt.sender.mxid}](https://matrix.to/#/{evt.sender.mxid}).")
+        elif allow_matrix_login:
+            return await evt.reply(f"[Click here to log in]({url}). Alternatively, send your phone"
+                                   f" number (or bot auth token) here to log in.\n\n{nb}")
+        return await evt.reply(f"[Click here to log in]({url}).\n\n{nb}")
     elif allow_matrix_login:
-        return await evt.reply(
-            "This bridge instance does not allow you to log in outside of Matrix.\n\n"
-            "Please send your phone number or bot auth token here to start the login process.")
+        if override_sender:
+            return await evt.reply(
+                "This bridge instance does not allow you to log in outside of Matrix. "
+                "Logging in as another user inside Matrix is not currently possible.")
+        return await evt.reply("Please send your phone number (or bot auth token) here to start "
+                               f"the login process.\n\n{nb}")
     return await evt.reply("This bridge instance has been configured to not allow logging in.")
 
 
-async def request_code(evt: CommandEvent, phone_number: str, next_status: Dict[str, Any]
-                       ) -> Dict:
+async def _request_code(evt: CommandEvent, phone_number: str, next_status: Dict[str, Any]
+                        ) -> EventID:
     ok = False
     try:
         await evt.sender.ensure_started(even_if_no_session=True)
@@ -235,7 +175,7 @@ async def request_code(evt: CommandEvent, phone_number: str, next_status: Dict[s
 
 
 @command_handler(needs_auth=False)
-async def enter_phone_or_token(evt: CommandEvent) -> Optional[Dict]:
+async def enter_phone_or_token(evt: CommandEvent) -> Optional[EventID]:
     if len(evt.args) == 0:
         return await evt.reply("**Usage:** `$cmdprefix+sp enter-phone-or-token <phone-or-token>`")
     elif not evt.config.get("bridge.allow_matrix_login", True):
@@ -245,13 +185,13 @@ async def enter_phone_or_token(evt: CommandEvent) -> Optional[Dict]:
     # phone numbers don't contain colons but telegram bot auth tokens do
     if evt.args[0].find(":") > 0:
         try:
-            await sign_in(evt, bot_token=evt.args[0])
+            await _sign_in(evt, bot_token=evt.args[0])
         except Exception:
             evt.log.exception("Error sending auth token")
             return await evt.reply("Unhandled exception while sending auth token. "
                                    "Check console for more details.")
     else:
-        await request_code(evt, evt.args[0], {
+        await _request_code(evt, evt.args[0], {
             "next": enter_code,
             "action": "Login",
         })
@@ -259,14 +199,14 @@ async def enter_phone_or_token(evt: CommandEvent) -> Optional[Dict]:
 
 
 @command_handler(needs_auth=False)
-async def enter_code(evt: CommandEvent) -> Optional[Dict]:
+async def enter_code(evt: CommandEvent) -> Optional[EventID]:
     if len(evt.args) == 0:
         return await evt.reply("**Usage:** `$cmdprefix+sp enter-code <code>`")
     elif not evt.config.get("bridge.allow_matrix_login", True):
         return await evt.reply("This bridge instance does not allow in-Matrix login. "
                                "Please use `$cmdprefix+sp login` to get login instructions")
     try:
-        await sign_in(evt, code=evt.args[0])
+        await _sign_in(evt, code=evt.args[0])
     except Exception:
         evt.log.exception("Error sending phone code")
         return await evt.reply("Unhandled exception while sending code. "
@@ -275,14 +215,14 @@ async def enter_code(evt: CommandEvent) -> Optional[Dict]:
 
 
 @command_handler(needs_auth=False)
-async def enter_password(evt: CommandEvent) -> Optional[Dict]:
+async def enter_password(evt: CommandEvent) -> Optional[EventID]:
     if len(evt.args) == 0:
         return await evt.reply("**Usage:** `$cmdprefix+sp enter-password <password>`")
     elif not evt.config.get("bridge.allow_matrix_login", True):
         return await evt.reply("This bridge instance does not allow in-Matrix login. "
                                "Please use `$cmdprefix+sp login` to get login instructions")
     try:
-        await sign_in(evt, password=" ".join(evt.args))
+        await _sign_in(evt, password=" ".join(evt.args))
     except AccessTokenInvalidError:
         return await evt.reply("That bot token is not valid.")
     except AccessTokenExpiredError:
@@ -294,7 +234,7 @@ async def enter_password(evt: CommandEvent) -> Optional[Dict]:
     return None
 
 
-async def sign_in(evt: CommandEvent, **sign_in_info) -> Dict:
+async def _sign_in(evt: CommandEvent, **sign_in_info) -> EventID:
     try:
         await evt.sender.ensure_started(even_if_no_session=True)
         user = await evt.sender.client.sign_in(**sign_in_info)
@@ -326,7 +266,7 @@ async def sign_in(evt: CommandEvent, **sign_in_info) -> Dict:
 @command_handler(needs_auth=True,
                  help_section=SECTION_AUTH,
                  help_text="Log out from Telegram.")
-async def logout(evt: CommandEvent) -> Optional[Dict]:
+async def logout(evt: CommandEvent) -> EventID:
     if await evt.sender.log_out():
         return await evt.reply("Logged out successfully.")
     return await evt.reply("Failed to log out.")

mautrix_telegram/commands/telegram/misc.py

@@ -0,0 +1,305 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import List, Optional, Tuple, cast
+import logging
+import codecs
+import base64
+import re
+
+from telethon.errors import (InviteHashInvalidError, InviteHashExpiredError, OptionsTooMuchError,
+                             UserAlreadyParticipantError, ChatIdInvalidError)
+from telethon.tl.patched import Message
+from telethon.tl.types import (User as TLUser, TypeUpdates, MessageMediaGame, MessageMediaPoll,
+                               TypeInputPeer)
+from telethon.tl.types.messages import BotCallbackAnswer
+from telethon.tl.functions.messages import (ImportChatInviteRequest, CheckChatInviteRequest,
+                                            GetBotCallbackAnswerRequest, SendVoteRequest)
+from telethon.tl.functions.channels import JoinChannelRequest
+
+from mautrix.types import EventID, Format
+
+from ... import puppet as pu, portal as po
+from ...abstract_user import AbstractUser
+from ...db import Message as DBMessage
+from ...types import TelegramID
+from ...commands import command_handler, CommandEvent, SECTION_MISC, SECTION_CREATING_PORTALS
+
+
+@command_handler(needs_auth=False,
+                 help_section=SECTION_MISC, help_args="<_caption_>",
+                 help_text="Set a caption for the next image you send")
+async def caption(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp caption <caption>`")
+
+    prefix = f"{evt.command_prefix} caption "
+    if evt.content.format == Format.HTML:
+        evt.content.formatted_body = evt.content.formatted_body.replace(prefix, "", 1)
+    evt.content.body = evt.content.body.replace(prefix, "", 1)
+    evt.sender.command_status = {"caption": evt.content, "action": "Caption"}
+    return await evt.reply("Your next image or file will be sent with that caption. "
+                           "Use `$cmdprefix+sp cancel` to cancel the caption.")
+
+
+@command_handler(help_section=SECTION_MISC,
+                 help_args="[_-r|--remote_] <_query_>",
+                 help_text="Search your contacts or the Telegram servers for users.")
+async def search(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp search [-r|--remote] <query>`")
+
+    force_remote = False
+    if evt.args[0] in {"-r", "--remote"}:
+        force_remote = True
+        evt.args.pop(0)
+
+    query = " ".join(evt.args)
+    if force_remote and len(query) < 5:
+        return await evt.reply("Minimum length of query for remote search is 5 characters.")
+
+    results, remote = await evt.sender.search(query, force_remote)
+
+    if not results:
+        if len(query) < 5 and remote:
+            return await evt.reply("No local results. "
+                                   "Minimum length of remote query is 5 characters.")
+        return await evt.reply("No results 3:")
+
+    reply: List[str] = []
+    if remote:
+        reply += ["**Results from Telegram server:**", ""]
+    else:
+        reply += ["**Results in contacts:**", ""]
+    reply += [(f"* [{puppet.displayname}](https://matrix.to/#/{puppet.mxid}): "
+               f"{puppet.id} ({similarity}% match)")
+              for puppet, similarity in results]
+
+    # TODO somehow show remote channel results when joining by alias is possible?
+
+    return await evt.reply("\n".join(reply))
+
+
+@command_handler(help_section=SECTION_CREATING_PORTALS, help_args="<_identifier_>",
+                 help_text="Open a private chat with the given Telegram user. The identifier is "
+                           "either the internal user ID, the username or the phone number. "
+                           "**N.B.** The phone numbers you start chats with must already be in "
+                           "your contacts.")
+async def pm(evt: CommandEvent) -> EventID:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp pm <user identifier>`")
+
+    try:
+        user = await evt.sender.client.get_entity(evt.args[0])
+    except ValueError:
+        return await evt.reply("Invalid user identifier or user not found.")
+
+    if not user:
+        return await evt.reply("User not found.")
+    elif not isinstance(user, TLUser):
+        return await evt.reply("That doesn't seem to be a user.")
+    portal = po.Portal.get_by_entity(user, evt.sender.tgid)
+    await portal.create_matrix_room(evt.sender, user, [evt.sender.mxid])
+    return await evt.reply("Created private chat room with "
+                           f"{pu.Puppet.get_displayname(user, False)}")
+
+
+async def _join(evt: CommandEvent, arg: str) -> Tuple[Optional[TypeUpdates], Optional[EventID]]:
+    if arg.startswith("joinchat/"):
+        invite_hash = arg[len("joinchat/"):]
+        try:
+            await evt.sender.client(CheckChatInviteRequest(invite_hash))
+        except InviteHashInvalidError:
+            return None, await evt.reply("Invalid invite link.")
+        except InviteHashExpiredError:
+            return None, await evt.reply("Invite link expired.")
+        try:
+            return (await evt.sender.client(ImportChatInviteRequest(invite_hash))), None
+        except UserAlreadyParticipantError:
+            return None, await evt.reply("You are already in that chat.")
+    else:
+        channel = await evt.sender.client.get_entity(arg)
+        if not channel:
+            return None, await evt.reply("Channel/supergroup not found.")
+        return await evt.sender.client(JoinChannelRequest(channel)), None
+
+
+@command_handler(help_section=SECTION_CREATING_PORTALS,
+                 help_args="<_link_>",
+                 help_text="Join a chat with an invite link.")
+async def join(evt: CommandEvent) -> Optional[EventID]:
+    if len(evt.args) == 0:
+        return await evt.reply("**Usage:** `$cmdprefix+sp join <invite link>`")
+
+    regex = re.compile(r"(?:https?://)?t(?:elegram)?\.(?:dog|me)(?:joinchat/)?/(.+)")
+    arg = regex.match(evt.args[0])
+    if not arg:
+        return await evt.reply("That doesn't look like a Telegram invite link.")
+
+    updates, _ = await _join(evt, arg.group(1))
+    if not updates:
+        return None
+
+    for chat in updates.chats:
+        portal = po.Portal.get_by_entity(chat)
+        if portal.mxid:
+            await portal.invite_to_matrix([evt.sender.mxid])
+            return await evt.reply(f"Invited you to portal of {portal.title}")
+        else:
+            await evt.reply(f"Creating room for {chat.title}... This might take a while.")
+            try:
+                await portal.create_matrix_room(evt.sender, chat, [evt.sender.mxid])
+            except ChatIdInvalidError as e:
+                logging.getLogger("mau.commands").info(updates.stringify())
+                raise e
+            return await evt.reply(f"Created room for {portal.title}")
+    return None
+
+
+@command_handler(help_section=SECTION_MISC,
+                 help_args="[`chats`|`contacts`|`me`]",
+                 help_text="Synchronize your chat portals, contacts and/or own info.")
+async def sync(evt: CommandEvent) -> EventID:
+    if len(evt.args) > 0:
+        sync_only = evt.args[0]
+        if sync_only not in ("chats", "contacts", "me"):
+            return await evt.reply("**Usage:** `$cmdprefix+sp sync [chats|contacts|me]`")
+    else:
+        sync_only = None
+
+    if not sync_only or sync_only == "chats":
+        await evt.sender.sync_dialogs(synchronous_create=True)
+    if not sync_only or sync_only == "contacts":
+        await evt.sender.sync_contacts()
+    if not sync_only or sync_only == "me":
+        await evt.sender.update_info()
+    return await evt.reply("Synchronization complete.")
+
+
+PEER_TYPE_CHAT = b"g"
+
+
+class MessageIDError(ValueError):
+    def __init__(self, message: str) -> None:
+        super().__init__(message)
+        self.message = message
+
+
+async def _parse_encoded_msgid(user: AbstractUser, enc_id: str, type_name: str
+                               ) -> Tuple[TypeInputPeer, Message]:
+    try:
+        enc_id += (4 - len(enc_id) % 4) * "="
+        enc_id = base64.b64decode(enc_id)
+        peer_type, enc_id = bytes([enc_id[0]]), enc_id[1:]
+        tgid = TelegramID(int(codecs.encode(enc_id[0:5], "hex_codec"), 16))
+        msg_id = TelegramID(int(codecs.encode(enc_id[5:10], "hex_codec"), 16))
+        space = None
+        if peer_type == PEER_TYPE_CHAT:
+            space = TelegramID(int(codecs.encode(enc_id[10:15], "hex_codec"), 16))
+    except ValueError as e:
+        raise MessageIDError(f"Invalid {type_name} ID (format)") from e
+
+    if peer_type == PEER_TYPE_CHAT:
+        orig_msg = DBMessage.get_one_by_tgid(msg_id, space)
+        if not orig_msg:
+            raise MessageIDError(f"Invalid {type_name} ID (original message not found in db)")
+        new_msg = DBMessage.get_by_mxid(orig_msg.mxid, orig_msg.mx_room, user.tgid)
+        if not new_msg:
+            raise MessageIDError(f"Invalid {type_name} ID (your copy of message not found in db)")
+        msg_id = new_msg.tgid
+    try:
+        peer = await user.client.get_input_entity(tgid)
+    except ValueError as e:
+        raise MessageIDError(f"Invalid {type_name} ID (chat not found)") from e
+
+    msg = await user.client.get_messages(entity=peer, ids=msg_id)
+    if not msg:
+        raise MessageIDError(f"Invalid {type_name} ID (message not found)")
+    return peer, cast(Message, msg)
+
+
+@command_handler(help_section=SECTION_MISC,
+                 help_args="<_play ID_>",
+                 help_text="Play a Telegram game.")
+async def play(evt: CommandEvent) -> EventID:
+    if len(evt.args) < 1:
+        return await evt.reply("**Usage:** `$cmdprefix+sp play <play ID>`")
+    elif not await evt.sender.is_logged_in():
+        return await evt.reply("You must be logged in with a real account to play games.")
+    elif evt.sender.is_bot:
+        return await evt.reply("Bots can't play games :(")
+
+    try:
+        peer, msg = await _parse_encoded_msgid(evt.sender, evt.args[0], type_name="play")
+    except MessageIDError as e:
+        return await evt.reply(e.message)
+
+    if not isinstance(msg.media, MessageMediaGame):
+        return await evt.reply("Invalid play ID (message doesn't look like a game)")
+
+    game = await evt.sender.client(
+        GetBotCallbackAnswerRequest(peer=peer, msg_id=msg.id, game=True))
+    if not isinstance(game, BotCallbackAnswer):
+        return await evt.reply("Game request response invalid")
+
+    return await evt.reply(f"Click [here]({game.url}) to play {msg.media.game.title}:\n\n"
+                           f"{msg.media.game.description}")
+
+
+@command_handler(help_section=SECTION_MISC,
+                 help_args="<_poll ID_> <_choice number_>",
+                 help_text="Vote in a Telegram poll.")
+async def vote(evt: CommandEvent) -> EventID:
+    if len(evt.args) < 1:
+        return await evt.reply("**Usage:** `$cmdprefix+sp vote <poll ID> <choice number>`")
+    elif not await evt.sender.is_logged_in():
+        return await evt.reply("You must be logged in with a real account to vote in polls.")
+    elif evt.sender.is_bot:
+        return await evt.reply("Bots can't vote in polls :(")
+
+    try:
+        peer, msg = await _parse_encoded_msgid(evt.sender, evt.args[0], type_name="poll")
+    except MessageIDError as e:
+        return await evt.reply(e.message)
+
+    if not isinstance(msg.media, MessageMediaPoll):
+        return await evt.reply("Invalid poll ID (message doesn't look like a poll)")
+
+    options = []
+    for option in evt.args[1:]:
+        try:
+            if len(option) > 10:
+                raise ValueError("option index too long")
+            option_index = int(option) - 1
+        except ValueError:
+            option_index = None
+        if option_index is None:
+            return await evt.reply(f"Invalid option number \"{option}\"",
+                                   render_markdown=False, allow_html=False)
+        elif option_index < 0:
+            return await evt.reply(f"Invalid option number {option}. "
+                                   f"Option numbers must be positive.")
+        elif option_index >= len(msg.media.poll.answers):
+            return await evt.reply(f"Invalid option number {option}. "
+                                   f"The poll only has {len(msg.media.poll.answers)} options.")
+        options.append(msg.media.poll.answers[option_index].option)
+    options = [msg.media.poll.answers[int(option) - 1].option
+               for option in evt.args[1:]]
+    try:
+        resp = await evt.sender.client(SendVoteRequest(peer=peer, msg_id=msg.id, options=options))
+    except OptionsTooMuchError:
+        return await evt.reply("You passed too many options.")
+    # TODO use response
+    return await evt.mark_read()

mautrix_telegram/config.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,145 +13,31 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Any, Dict, Optional, Tuple
-from ruamel.yaml import YAML
+from typing import Any, Dict, List, NamedTuple
 from ruamel.yaml.comments import CommentedMap
-import random
-import string
+import os
 
-yaml = YAML()  # type: YAML
-yaml.indent(4)
+from mautrix.types import UserID
+from mautrix.client import Client
+from mautrix.bridge.config import BaseBridgeConfig, ConfigUpdateHelper
+
+Permissions = NamedTuple("Permissions", relaybot=bool, user=bool, puppeting=bool,
+                         matrix_puppeting=bool, admin=bool, level=str)
 
 
-class DictWithRecursion:
-    def __init__(self, data: Optional[CommentedMap] = None) -> None:
-        self._data = data or CommentedMap()  # type: CommentedMap
-
-    @staticmethod
-    def _parse_key(key: str) -> Tuple[str, Optional[str]]:
-        if '.' not in key:
-            return key, None
-        key, next_key = key.split('.', 1)
-        if len(key) > 0 and key[0] == "[":
-            end_index = next_key.index("]")
-            key = key[1:] + "." + next_key[:end_index]
-            next_key = next_key[end_index + 2:] if len(next_key) > end_index + 1 else None
-        return key, next_key
-
-    def _recursive_get(self, data: CommentedMap, key: str, default_value: Any) -> Any:
-        key, next_key = self._parse_key(key)
-        if next_key is not None:
-            next_data = data.get(key, CommentedMap())
-            return self._recursive_get(next_data, next_key, default_value)
-        return data.get(key, default_value)
-
-    def get(self, key: str, default_value: Any, allow_recursion: bool = True) -> Any:
-        if allow_recursion and '.' in key:
-            return self._recursive_get(self._data, key, default_value)
-        return self._data.get(key, default_value)
-
+class Config(BaseBridgeConfig):
     def __getitem__(self, key: str) -> Any:
-        return self.get(key, None)
-
-    def __contains__(self, key: str) -> bool:
-        return self[key] is not None
-
-    def _recursive_set(self, data: CommentedMap, key: str, value: Any) -> None:
-        key, next_key = self._parse_key(key)
-        if next_key is not None:
-            if key not in data:
-                data[key] = CommentedMap()
-            next_data = data.get(key, CommentedMap())
-            return self._recursive_set(next_data, next_key, value)
-        data[key] = value
-
-    def set(self, key: str, value: Any, allow_recursion: bool = True) -> None:
-        if allow_recursion and '.' in key:
-            self._recursive_set(self._data, key, value)
-            return
-        self._data[key] = value
-
-    def __setitem__(self, key: str, value: Any) -> None:
-        self.set(key, value)
-
-    def _recursive_del(self, data: CommentedMap, key: str) -> None:
-        key, next_key = self._parse_key(key)
-        if next_key is not None:
-            if key not in data:
-                return
-            next_data = data[key]
-            return self._recursive_del(next_data, next_key)
         try:
-            del data[key]
-            del data.ca.items[key]
+            return os.environ[f"MAUTRIX_TELEGRAM_{key.replace('.', '_').upper()}"]
         except KeyError:
-            pass
+            return super().__getitem__(key)
 
-    def delete(self, key: str, allow_recursion: bool = True) -> None:
-        if allow_recursion and '.' in key:
-            self._recursive_del(self._data, key)
-            return
-        try:
-            del self._data[key]
-            del self._data.ca.items[key]
-        except KeyError:
-            pass
-
-    def __delitem__(self, key: str) -> None:
-        self.delete(key)
-
-
-class Config(DictWithRecursion):
-    def __init__(self, path: str, registration_path: str, base_path: str) -> None:
-        super().__init__()
-        self.path = path  # type: str
-        self.registration_path = registration_path  # type: str
-        self.base_path = base_path  # type: str
-        self._registration = None  # type: Optional[Dict]
-
-    def load(self) -> None:
-        with open(self.path, 'r') as stream:
-            self._data = yaml.load(stream)
-
-    def load_base(self) -> Optional[DictWithRecursion]:
-        try:
-            with open(self.base_path, 'r') as stream:
-                return DictWithRecursion(yaml.load(stream))
-        except OSError:
-            pass
-        return None
-
-    def save(self) -> None:
-        with open(self.path, 'w') as stream:
-            yaml.dump(self._data, stream)
-        if self._registration and self.registration_path:
-            with open(self.registration_path, 'w') as stream:
-                yaml.dump(self._registration, stream)
-
-    @staticmethod
-    def _new_token() -> str:
-        return "".join(random.choice(string.ascii_lowercase + string.digits) for _ in range(64))
-
-    def update(self) -> None:
-        base = self.load_base()
-        if not base:
-            return
-
-        def copy(from_path, to_path=None) -> None:
-            if from_path in self:
-                base[to_path or from_path] = self[from_path]
-
-        def copy_dict(from_path, to_path=None, override_existing_map=True) -> None:
-            if from_path in self:
-                to_path = to_path or from_path
-                if override_existing_map or to_path not in base:
-                    base[to_path] = CommentedMap()
-                for key, value in self[from_path].items():
-                    base[to_path][key] = value
+    def do_update(self, helper: ConfigUpdateHelper) -> None:
+        copy, copy_dict, base = helper
 
         copy("homeserver.address")
-        copy("homeserver.verify_ssl")
         copy("homeserver.domain")
+        copy("homeserver.verify_ssl")
 
         if "appservice.protocol" in self and "appservice.address" not in self:
             protocol, hostname, port = (self["appservice.protocol"], self["appservice.hostname"],
@@ -165,7 +50,6 @@ class Config(DictWithRecursion):
         copy("appservice.max_body_size")
 
         copy("appservice.database")
-        copy("appservice.sqlalchemy_core_mode")
 
         copy("appservice.public.enabled")
         copy("appservice.public.prefix")
@@ -182,17 +66,50 @@ class Config(DictWithRecursion):
         copy("appservice.bot_displayname")
         copy("appservice.bot_avatar")
 
+        copy("appservice.community_id")
+
         copy("appservice.as_token")
         copy("appservice.hs_token")
 
+        copy("metrics.enabled")
+        copy("metrics.listen_port")
+
+        copy("manhole.enabled")
+        copy("manhole.path")
+        copy("manhole.whitelist")
+
         copy("bridge.username_template")
         copy("bridge.alias_template")
         copy("bridge.displayname_template")
 
         copy("bridge.displayname_preference")
+        copy("bridge.displayname_max_length")
 
-        copy("bridge.edits_as_replies")
-        copy("bridge.highlight_edits")
+        copy("bridge.max_initial_member_sync")
+        copy("bridge.sync_channel_members")
+        copy("bridge.skip_deleted_members")
+        copy("bridge.startup_sync")
+        copy("bridge.sync_dialog_limit")
+        copy("bridge.sync_direct_chats")
+        copy("bridge.max_telegram_delete")
+        copy("bridge.sync_matrix_state")
+        copy("bridge.allow_matrix_login")
+        copy("bridge.plaintext_highlights")
+        copy("bridge.public_portals")
+        copy("bridge.sync_with_custom_puppets")
+        copy("bridge.telegram_link_preview")
+        copy("bridge.inline_images")
+        copy("bridge.image_as_file_size")
+        copy("bridge.max_document_size")
+        copy("bridge.parallel_file_transfer")
+        copy("bridge.federate_rooms")
+        copy("bridge.animated_sticker.target")
+        copy("bridge.animated_sticker.args")
+
+        copy("bridge.initial_power_level_overrides.group")
+        copy("bridge.initial_power_level_overrides.user")
+
+        copy("bridge.bot_messages_as_notices")
         if isinstance(self["bridge.bridge_notices"], bool):
             base["bridge.bridge_notices"] = {
                 "default": self["bridge.bridge_notices"],
@@ -200,17 +117,6 @@ class Config(DictWithRecursion):
             }
         else:
             copy("bridge.bridge_notices")
-        copy("bridge.bot_messages_as_notices")
-        copy("bridge.max_initial_member_sync")
-        copy("bridge.sync_channel_members")
-        copy("bridge.max_telegram_delete")
-        copy("bridge.allow_matrix_login")
-        copy("bridge.inline_images")
-        copy("bridge.plaintext_highlights")
-        copy("bridge.public_portals")
-        copy("bridge.native_stickers")
-        copy("bridge.catch_up")
-        copy("bridge.sync_with_custom_puppets")
 
         copy("bridge.deduplication.pre_db_check")
         copy("bridge.deduplication.cache_queue_length")
@@ -218,6 +124,8 @@ class Config(DictWithRecursion):
         if "bridge.message_formats.m_text" in self:
             del self["bridge.message_formats"]
         copy_dict("bridge.message_formats", override_existing_map=False)
+        copy("bridge.emote_format")
+
         copy("bridge.state_event_formats.join")
         copy("bridge.state_event_formats.leave")
         copy("bridge.state_event_formats.name_change")
@@ -243,6 +151,11 @@ class Config(DictWithRecursion):
         if "bridge.relaybot" not in self:
             copy("bridge.authless_relaybot_portals", "bridge.relaybot.authless_portals")
         else:
+            copy("bridge.relaybot.private_chat.invite")
+            copy("bridge.relaybot.private_chat.state_changes")
+            copy("bridge.relaybot.private_chat.message")
+            copy("bridge.relaybot.group_chat_invite")
+            copy("bridge.relaybot.ignore_unbridged_group_chat")
             copy("bridge.relaybot.authless_portals")
             copy("bridge.relaybot.whitelist_group_admins")
             copy("bridge.relaybot.whitelist")
@@ -251,6 +164,24 @@ class Config(DictWithRecursion):
         copy("telegram.api_id")
         copy("telegram.api_hash")
         copy("telegram.bot_token")
+
+        copy("telegram.connection.timeout")
+        copy("telegram.connection.retries")
+        copy("telegram.connection.retry_delay")
+        copy("telegram.connection.flood_sleep_threshold")
+        copy("telegram.connection.request_retries")
+
+        copy("telegram.device_info.device_model")
+        copy("telegram.device_info.system_version")
+        copy("telegram.device_info.app_version")
+        copy("telegram.device_info.lang_code")
+        copy("telegram.device_info.system_lang_code")
+
+        copy("telegram.server.enabled")
+        copy("telegram.server.dc")
+        copy("telegram.server.ip")
+        copy("telegram.server.port")
+
         copy("telegram.proxy.type")
         copy("telegram.proxy.address")
         copy("telegram.proxy.port")
@@ -266,55 +197,43 @@ class Config(DictWithRecursion):
         else:
             copy("logging")
 
-        self._data = base._data
-        self.save()
-
-    def _get_permissions(self, key: str) -> Tuple[bool, bool, bool, bool, bool, bool]:
+    def _get_permissions(self, key: str) -> Permissions:
         level = self["bridge.permissions"].get(key, "")
         admin = level == "admin"
         matrix_puppeting = level == "full" or admin
         puppeting = level == "puppeting" or matrix_puppeting
         user = level == "user" or puppeting
         relaybot = level == "relaybot" or user
-        return relaybot, user, puppeting, matrix_puppeting, admin, level
+        return Permissions(relaybot, user, puppeting, matrix_puppeting, admin, level)
 
-    def get_permissions(self, mxid: str) -> Tuple[bool, bool, bool, bool, bool, bool]:
-        permissions = self["bridge.permissions"] or {}
+    def get_permissions(self, mxid: UserID) -> Permissions:
+        permissions = self["bridge.permissions"]
         if mxid in permissions:
             return self._get_permissions(mxid)
 
-        homeserver = mxid[mxid.index(":") + 1:]
+        _, homeserver = Client.parse_user_id(mxid)
         if homeserver in permissions:
             return self._get_permissions(homeserver)
 
         return self._get_permissions("*")
 
-    def generate_registration(self) -> None:
+    @property
+    def namespaces(self) -> Dict[str, List[Dict[str, Any]]]:
         homeserver = self["homeserver.domain"]
 
-        username_format = self.get("bridge.username_template", "telegram_{userid}") \
-            .format(userid=".+")
-        alias_format = self.get("bridge.alias_template", "telegram_{groupname}") \
-            .format(groupname=".+")
+        username_format = self["bridge.username_template"].format(userid=".+")
+        alias_format = self["bridge.alias_template"].format(groupname=".+")
+        group_id = ({"group_id": self["appservice.community_id"]}
+                    if self["appservice.community_id"] else {})
 
-        self.set("appservice.as_token", self._new_token())
-        self.set("appservice.hs_token", self._new_token())
-
-        self._registration = {
-            "id": self["appservice.id"] or "telegram",
-            "as_token": self["appservice.as_token"],
-            "hs_token": self["appservice.hs_token"],
-            "namespaces": {
-                "users": [{
-                    "exclusive": True,
-                    "regex": f"@{username_format}:{homeserver}"
-                }],
-                "aliases": [{
-                    "exclusive": True,
-                    "regex": f"#{alias_format}:{homeserver}"
-                }]
-            },
-            "url": self["appservice.address"],
-            "sender_localpart": self["appservice.bot_username"],
-            "rate_limited": False
+        return {
+            "users": [{
+                "exclusive": True,
+                "regex": f"@{username_format}:{homeserver}",
+                **group_id,
+            }],
+            "aliases": [{
+                "exclusive": True,
+                "regex": f"#{alias_format}:{homeserver}",
+            }]
         }

mautrix_telegram/context.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -15,36 +14,44 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 from typing import Optional, Tuple, TYPE_CHECKING
+import asyncio
+
+from alchemysession import AlchemySessionContainer
+
+from mautrix.appservice import AppService
 
 if TYPE_CHECKING:
-    import asyncio
-
-    from sqlalchemy.orm import scoped_session
-
-    from alchemysession import AlchemySessionContainer
-    from mautrix_appservice import AppService
-
     from .web import PublicBridgeWebsite, ProvisioningAPI
     from .config import Config
     from .bot import Bot
     from .matrix import MatrixHandler
+    from .__main__ import TelegramBridge
 
 
 class Context:
-    def __init__(self, az: "AppService", db: "scoped_session", config: "Config",
-                 loop: "asyncio.AbstractEventLoop", session_container: "AlchemySessionContainer"
-                 ) -> None:
-        self.az = az  # type: AppService
-        self.db = db  # type: scoped_session
-        self.config = config  # type: Config
-        self.loop = loop  # type: asyncio.AbstractEventLoop
-        self.bot = None  # type: Optional[Bot]
-        self.mx = None  # type: MatrixHandler
-        self.session_container = session_container  # type: AlchemySessionContainer
-        self.public_website = None  # type: PublicBridgeWebsite
-        self.provisioning_api = None  # type: ProvisioningAPI
+    az: AppService
+    config: 'Config'
+    loop: asyncio.AbstractEventLoop
+    bridge: 'TelegramBridge'
+    bot: Optional['Bot']
+    mx: Optional['MatrixHandler']
+    session_container: AlchemySessionContainer
+    public_website: Optional['PublicBridgeWebsite']
+    provisioning_api: Optional['ProvisioningAPI']
+
+    def __init__(self, az: AppService, config: 'Config', loop: asyncio.AbstractEventLoop,
+                 session_container: AlchemySessionContainer, bridge: 'TelegramBridge',
+                 bot: Optional['Bot']) -> None:
+        self.az = az
+        self.config = config
+        self.loop = loop
+        self.bridge = bridge
+        self.bot = bot
+        self.mx = None
+        self.session_container = session_container
+        self.public_website = None
+        self.provisioning_api = None
 
     @property
-    def core(self) -> Tuple['AppService', 'scoped_session', 'Config',
-                            'asyncio.AbstractEventLoop', Optional['Bot']]:
-        return (self.az, self.db, self.config, self.loop, self.bot)
+    def core(self) -> Tuple[AppService, 'Config', asyncio.AbstractEventLoop, Optional['Bot']]:
+        return self.az, self.config, self.loop, self.bot

mautrix_telegram/db.py

@@ -1,258 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from sqlalchemy import (Column, UniqueConstraint, ForeignKey, ForeignKeyConstraint, Integer,
-                        BigInteger, String, Boolean, Text, Table,
-                        and_, func, select)
-from sqlalchemy.engine import Engine, RowProxy
-from sqlalchemy.sql import expression
-from sqlalchemy.orm import relationship, Query
-from sqlalchemy.sql.base import ImmutableColumnCollection
-from typing import Dict, Optional, List
-import json
-
-from mautrix_telegram.types import MatrixUserID, MatrixRoomID, MatrixEventID
-from .types import TelegramID
-from .base import Base
-
-
-class Portal(Base):
-    query = None  # type: Query
-    __tablename__ = "portal"
-
-    # Telegram chat information
-    tgid = Column(Integer, primary_key=True)  # type: TelegramID
-    tg_receiver = Column(Integer, primary_key=True)  # type: TelegramID
-    peer_type = Column(String, nullable=False)
-    megagroup = Column(Boolean)
-
-    # Matrix portal information
-    mxid = Column(String, unique=True, nullable=True)  # type: Optional[MatrixRoomID]
-
-    config = Column(Text, nullable=True)
-
-    # Telegram chat metadata
-    username = Column(String, nullable=True)
-    title = Column(String, nullable=True)
-    about = Column(String, nullable=True)
-    photo_id = Column(String, nullable=True)
-
-
-class Message(Base):
-    db = None  # type: Engine
-    t = None  # type: Table
-    c = None  # type: ImmutableColumnCollection
-    __tablename__ = "message"
-
-    mxid = Column(String)  # type: MatrixEventID
-    mx_room = Column(String)  # type: MatrixRoomID
-    tgid = Column(Integer, primary_key=True)  # type: TelegramID
-    tg_space = Column(Integer, primary_key=True)  # type: TelegramID
-
-    __table_args__ = (UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room"),)
-
-    @staticmethod
-    def _one_or_none(rows: RowProxy) -> Optional['Message']:
-        try:
-            mxid, mx_room, tgid, tg_space = next(rows)
-            return Message(mxid=mxid, mx_room=mx_room, tgid=tgid, tg_space=tg_space)
-        except StopIteration:
-            return None
-
-    @staticmethod
-    def _all(rows: RowProxy) -> List['Message']:
-        return [Message(mxid=row[0], mx_room=row[1], tgid=row[2], tg_space=row[3])
-                for row in rows]
-
-    @classmethod
-    def get_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID) -> Optional['Message']:
-        rows = cls.db.execute(cls.t.select()
-                              .where(and_(cls.c.tgid == tgid, cls.c.tg_space == tg_space)))
-        return cls._one_or_none(rows)
-
-    @classmethod
-    def count_spaces_by_mxid(cls, mxid: MatrixEventID, mx_room: MatrixRoomID) -> int:
-        rows = cls.db.execute(select([func.count(cls.c.tg_space)])
-                              .where(and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room)))
-        try:
-            count, = next(rows)
-            return count
-        except StopIteration:
-            return 0
-
-    @classmethod
-    def get_by_mxid(cls, mxid: MatrixEventID, mx_room: MatrixRoomID, tg_space: TelegramID
-                    ) -> Optional['Message']:
-        rows = cls.db.execute(cls.t.select().where(
-            and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room, cls.c.tg_space == tg_space)))
-        return cls._one_or_none(rows)
-
-    @classmethod
-    def update_by_tgid(cls, s_tgid: TelegramID, s_tg_space: TelegramID, **values) -> None:
-        cls.db.execute(cls.t.update()
-                       .where(and_(cls.c.tgid == s_tgid, cls.c.tg_space == s_tg_space))
-                       .values(**values))
-
-    @classmethod
-    def update_by_mxid(cls, s_mxid: MatrixEventID, s_mx_room: MatrixRoomID, **values) -> None:
-        cls.db.execute(cls.t.update()
-                       .where(and_(cls.c.mxid == s_mxid, cls.c.mx_room == s_mx_room))
-                       .values(**values))
-
-    def update(self, **values) -> None:
-        for key, value in values.items():
-            setattr(self, key, value)
-        self.update_by_tgid(self.tgid, self.tg_space, **values)
-
-    def delete(self) -> None:
-        self.db.execute(self.t.delete().where(
-            and_(self.c.tgid == self.tgid, self.c.tg_space == self.tg_space)))
-
-    def insert(self) -> None:
-        self.db.execute(self.t.insert().values(mxid=self.mxid, mx_room=self.mx_room, tgid=self.tgid,
-                                               tg_space=self.tg_space))
-
-
-class UserPortal(Base):
-    query = None  # type: Query
-    __tablename__ = "user_portal"
-
-    user = Column(Integer, ForeignKey("user.tgid", onupdate="CASCADE", ondelete="CASCADE"),
-                  primary_key=True)  # type: TelegramID
-    portal = Column(Integer, primary_key=True)  # type: TelegramID
-    portal_receiver = Column(Integer, primary_key=True)  # type: TelegramID
-
-    __table_args__ = (ForeignKeyConstraint(("portal", "portal_receiver"),
-                                           ("portal.tgid", "portal.tg_receiver"),
-                                           onupdate="CASCADE", ondelete="CASCADE"),)
-
-
-class User(Base):
-    query = None  # type: Query
-    __tablename__ = "user"
-
-    mxid = Column(String, primary_key=True)  # type: MatrixUserID
-    tgid = Column(Integer, nullable=True, unique=True)  # type: Optional[TelegramID]
-    tg_username = Column(String, nullable=True)
-    tg_phone = Column(String, nullable=True)
-    saved_contacts = Column(Integer, default=0, nullable=False)
-    contacts = relationship("Contact", uselist=True,
-                            cascade="save-update, merge, delete, delete-orphan"
-                            )  # type: List[Contact]
-    portals = relationship("Portal", secondary="user_portal")
-
-
-class RoomState(Base):
-    query = None  # type: Query
-    __tablename__ = "mx_room_state"
-
-    room_id = Column(String, primary_key=True)  # type: MatrixRoomID
-    _power_levels_text = Column("power_levels", Text, nullable=True)
-    _power_levels_json = {}  # type: Dict
-
-    @property
-    def has_power_levels(self) -> bool:
-        return bool(self._power_levels_text)
-
-    @property
-    def power_levels(self) -> Dict:
-        if not self._power_levels_json and self._power_levels_text:
-            self._power_levels_json = json.loads(self._power_levels_text)
-        return self._power_levels_json
-
-    @power_levels.setter
-    def power_levels(self, val: Dict) -> None:
-        self._power_levels_json = val
-        self._power_levels_text = json.dumps(val)
-
-
-class UserProfile(Base):
-    query = None  # type: Query
-    __tablename__ = "mx_user_profile"
-
-    room_id = Column(String, primary_key=True)  # type: MatrixRoomID
-    user_id = Column(String, primary_key=True)  # type: MatrixUserID
-    membership = Column(String, nullable=False, default="leave")
-    displayname = Column(String, nullable=True)
-    avatar_url = Column(String, nullable=True)
-
-    def dict(self) -> Dict[str, str]:
-        return {
-            "membership": self.membership,
-            "displayname": self.displayname,
-            "avatar_url": self.avatar_url,
-        }
-
-
-class Contact(Base):
-    query = None  # type: Query
-    __tablename__ = "contact"
-
-    user = Column(Integer, ForeignKey("user.tgid"), primary_key=True)  # type: TelegramID
-    contact = Column(Integer, ForeignKey("puppet.id"), primary_key=True)  # type: TelegramID
-
-
-class Puppet(Base):
-    query = None  # type: Query
-    __tablename__ = "puppet"
-
-    id = Column(Integer, primary_key=True)  # type: TelegramID
-    custom_mxid = Column(String, nullable=True)  # type: Optional[MatrixUserID]
-    access_token = Column(String, nullable=True)
-    displayname = Column(String, nullable=True)
-    displayname_source = Column(Integer, nullable=True)  # type: Optional[TelegramID]
-    username = Column(String, nullable=True)
-    photo_id = Column(String, nullable=True)
-    is_bot = Column(Boolean, nullable=True)
-    matrix_registered = Column(Boolean, nullable=False, server_default=expression.false())
-
-
-# Fucking Telegram not telling bots what chats they are in 3:<
-class BotChat(Base):
-    query = None  # type: Query
-    __tablename__ = "bot_chat"
-    id = Column(Integer, primary_key=True)  # type: TelegramID
-    type = Column(String, nullable=False)
-
-
-class TelegramFile(Base):
-    query = None  # type: Query
-    __tablename__ = "telegram_file"
-
-    id = Column(String, primary_key=True)
-    mxc = Column(String)
-    mime_type = Column(String)
-    was_converted = Column(Boolean)
-    timestamp = Column(BigInteger)
-    size = Column(Integer, nullable=True)
-    width = Column(Integer, nullable=True)
-    height = Column(Integer, nullable=True)
-    thumbnail_id = Column("thumbnail", String, ForeignKey("telegram_file.id"), nullable=True)
-    thumbnail = relationship("TelegramFile", uselist=False)
-
-
-def init(db_session, db_engine) -> None:
-    Portal.query = db_session.query_property()
-    Message.db = db_engine
-    Message.t = Message.__table__
-    Message.c = Message.t.c
-    UserPortal.query = db_session.query_property()
-    User.query = db_session.query_property()
-    Puppet.query = db_session.query_property()
-    BotChat.query = db_session.query_property()
-    TelegramFile.query = db_session.query_property()
-    UserProfile.query = db_session.query_property()
-    RoomState.query = db_session.query_property()

mautrix_telegram/db/__init__.py

@@ -0,0 +1,34 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from sqlalchemy.engine.base import Engine
+
+from mautrix.bridge.db import UserProfile, RoomState
+
+from .bot_chat import BotChat
+from .message import Message
+from .portal import Portal
+from .puppet import Puppet
+from .telegram_file import TelegramFile
+from .user import User, UserPortal, Contact
+
+
+def init(db_engine: Engine) -> None:
+    for table in (Portal, Message, User, Contact, UserPortal, Puppet, TelegramFile, UserProfile,
+                  RoomState, BotChat):
+        table.db = db_engine
+        table.t = table.__table__
+        table.c = table.t.c
+        table.column_names = table.c.keys()

mautrix_telegram/db/bot_chat.py

@@ -0,0 +1,38 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Iterable
+
+from sqlalchemy import Column, Integer, String
+
+from mautrix.util.db import Base
+
+from ..types import TelegramID
+
+
+# Fucking Telegram not telling bots what chats they are in 3:<
+class BotChat(Base):
+    __tablename__ = "bot_chat"
+    id: TelegramID = Column(Integer, primary_key=True)
+    type: str = Column(String, nullable=False)
+
+    @classmethod
+    def delete_by_id(cls, chat_id: TelegramID) -> None:
+        with cls.db.begin() as conn:
+            conn.execute(cls.t.delete().where(cls.c.id == chat_id))
+
+    @classmethod
+    def all(cls) -> Iterable['BotChat']:
+        return cls._select_all()

mautrix_telegram/db/message.py

@@ -0,0 +1,84 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, Iterator
+
+from sqlalchemy import Column, UniqueConstraint, Integer, String, and_, func, desc, select
+
+from mautrix.types import RoomID, EventID
+from mautrix.util.db import Base
+
+from ..types import TelegramID
+
+
+class Message(Base):
+    __tablename__ = "message"
+
+    mxid: EventID = Column(String)
+    mx_room: RoomID = Column(String)
+    tgid: TelegramID = Column(Integer, primary_key=True)
+    tg_space: TelegramID = Column(Integer, primary_key=True)
+    edit_index: int = Column(Integer, primary_key=True)
+
+    __table_args__ = (UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room_2"),)
+
+    @classmethod
+    def get_all_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID) -> Iterator['Message']:
+        return cls._select_all(cls.c.tgid == tgid, cls.c.tg_space == tg_space)
+
+    @classmethod
+    def get_one_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID, edit_index: int = 0
+                        ) -> Optional['Message']:
+        if edit_index < 0:
+            return cls._one_or_none(cls.db.execute(
+                cls.t.select()
+                    .where(and_(cls.c.tgid == tgid, cls.c.tg_space == tg_space))
+                    .order_by(desc(cls.c.edit_index))
+                    .limit(1).offset(-edit_index - 1)))
+        else:
+            return cls._select_one_or_none(cls.c.tgid == tgid, cls.c.tg_space == tg_space,
+                                           cls.c.edit_index == edit_index)
+
+    @classmethod
+    def count_spaces_by_mxid(cls, mxid: EventID, mx_room: RoomID) -> int:
+        rows = cls.db.execute(select([func.count(cls.c.tg_space)])
+                              .where(and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room)))
+        try:
+            count, = next(rows)
+            return count
+        except StopIteration:
+            return 0
+
+    @classmethod
+    def get_by_mxid(cls, mxid: EventID, mx_room: RoomID, tg_space: TelegramID
+                    ) -> Optional['Message']:
+        return cls._select_one_or_none(cls.c.mxid == mxid, cls.c.mx_room == mx_room,
+                                       cls.c.tg_space == tg_space)
+
+    @classmethod
+    def update_by_tgid(cls, s_tgid: TelegramID, s_tg_space: TelegramID, s_edit_index: int,
+                       **values) -> None:
+        with cls.db.begin() as conn:
+            conn.execute(cls.t.update()
+                         .where(and_(cls.c.tgid == s_tgid, cls.c.tg_space == s_tg_space,
+                                     cls.c.edit_index == s_edit_index))
+                         .values(**values))
+
+    @classmethod
+    def update_by_mxid(cls, s_mxid: EventID, s_mx_room: RoomID, **values) -> None:
+        with cls.db.begin() as conn:
+            conn.execute(cls.t.update()
+                         .where(and_(cls.c.mxid == s_mxid, cls.c.mx_room == s_mx_room))
+                         .values(**values))

mautrix_telegram/db/portal.py

@@ -0,0 +1,56 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
+from sqlalchemy import Column, Integer, String, Boolean, Text, func
+
+from mautrix.types import RoomID
+from mautrix.util.db import Base
+
+from ..types import TelegramID
+
+
+class Portal(Base):
+    __tablename__ = "portal"
+
+    # Telegram chat information
+    tgid: TelegramID = Column(Integer, primary_key=True)
+    tg_receiver: TelegramID = Column(Integer, primary_key=True)
+    peer_type: str = Column(String, nullable=False)
+    megagroup: bool = Column(Boolean)
+
+    # Matrix portal information
+    mxid: RoomID = Column(String, unique=True, nullable=True)
+
+    config: str = Column(Text, nullable=True)
+
+    # Telegram chat metadata
+    username: str = Column(String, nullable=True)
+    title: str = Column(String, nullable=True)
+    about: str = Column(String, nullable=True)
+    photo_id: str = Column(String, nullable=True)
+
+    @classmethod
+    def get_by_tgid(cls, tgid: TelegramID, tg_receiver: TelegramID) -> Optional['Portal']:
+        return cls._select_one_or_none(cls.c.tgid == tgid, cls.c.tg_receiver == tg_receiver)
+
+    @classmethod
+    def get_by_mxid(cls, mxid: RoomID) -> Optional['Portal']:
+        return cls._select_one_or_none(cls.c.mxid == mxid)
+
+    @classmethod
+    def get_by_username(cls, username: str) -> Optional['Portal']:
+        return cls._select_one_or_none(func.lower(cls.c.username) == username)

mautrix_telegram/db/puppet.py

@@ -0,0 +1,60 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, Iterable
+
+from sqlalchemy import Column, Integer, String, Boolean
+from sqlalchemy.sql import expression, func
+
+from mautrix.types import UserID, SyncToken
+from mautrix.util.db import Base
+
+from ..types import TelegramID
+
+
+class Puppet(Base):
+    __tablename__ = "puppet"
+
+    id: TelegramID = Column(Integer, primary_key=True)
+    custom_mxid: UserID = Column(String, nullable=True)
+    access_token: str = Column(String, nullable=True)
+    next_batch: SyncToken = Column(String, nullable=True)
+    displayname: str = Column(String, nullable=True)
+    displayname_source: TelegramID = Column(Integer, nullable=True)
+    username: str = Column(String, nullable=True)
+    photo_id: str = Column(String, nullable=True)
+    is_bot: bool = Column(Boolean, nullable=True)
+    matrix_registered: bool = Column(Boolean, nullable=False, server_default=expression.false())
+    disable_updates: bool = Column(Boolean, nullable=False, server_default=expression.false())
+
+    @classmethod
+    def all_with_custom_mxid(cls) -> Iterable['Puppet']:
+        yield from cls._select_all(cls.c.custom_mxid != None)
+
+    @classmethod
+    def get_by_tgid(cls, tgid: TelegramID) -> Optional['Puppet']:
+        return cls._select_one_or_none(cls.c.id == tgid)
+
+    @classmethod
+    def get_by_custom_mxid(cls, mxid: UserID) -> Optional['Puppet']:
+        return cls._select_one_or_none(cls.c.custom_mxid == mxid)
+
+    @classmethod
+    def get_by_username(cls, username: str) -> Optional['Puppet']:
+        return cls._select_one_or_none(func.lower(cls.c.username) == username)
+
+    @classmethod
+    def get_by_displayname(cls, displayname: str) -> Optional['Puppet']:
+        return cls._select_one_or_none(cls.c.displayname == displayname)

mautrix_telegram/db/telegram_file.py

@@ -0,0 +1,56 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
+from sqlalchemy import Column, ForeignKey, Integer, BigInteger, String, Boolean
+from sqlalchemy.engine.result import RowProxy
+
+from mautrix.types import ContentURI
+from mautrix.util.db import Base
+
+
+class TelegramFile(Base):
+    __tablename__ = "telegram_file"
+
+    id: str = Column(String, primary_key=True)
+    mxc: ContentURI = Column(String)
+    mime_type: str = Column(String)
+    was_converted: bool = Column(Boolean)
+    timestamp: int = Column(BigInteger)
+    size: Optional[int] = Column(Integer, nullable=True)
+    width: Optional[int] = Column(Integer, nullable=True)
+    height: Optional[int] = Column(Integer, nullable=True)
+    thumbnail_id: str = Column("thumbnail", String, ForeignKey("telegram_file.id"), nullable=True)
+    thumbnail: Optional['TelegramFile'] = None
+
+    @classmethod
+    def scan(cls, row: RowProxy) -> 'TelegramFile':
+        telegram_file: TelegramFile = super().scan(row)
+        if isinstance(telegram_file.thumbnail, str):
+            telegram_file.thumbnail = cls.get(telegram_file.thumbnail)
+        return telegram_file
+
+    @classmethod
+    def get(cls, loc_id: str) -> Optional['TelegramFile']:
+        return cls._select_one_or_none(cls.c.id == loc_id)
+
+    def insert(self) -> None:
+        with self.db.begin() as conn:
+            conn.execute(self.t.insert().values(
+                id=self.id, mxc=self.mxc, mime_type=self.mime_type,
+                was_converted=self.was_converted, timestamp=self.timestamp, size=self.size,
+                width=self.width, height=self.height,
+                thumbnail=self.thumbnail.id if self.thumbnail else self.thumbnail_id))

mautrix_telegram/db/user.py

@@ -0,0 +1,108 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, Iterable, Tuple
+
+from sqlalchemy import Column, ForeignKey, ForeignKeyConstraint, Integer, String, func
+
+from mautrix.types import UserID
+from mautrix.util.db import Base
+
+from ..types import TelegramID
+
+
+class User(Base):
+    __tablename__ = "user"
+
+    mxid: UserID = Column(String, primary_key=True)
+    tgid: Optional[TelegramID] = Column(Integer, nullable=True, unique=True)
+    tg_username: str = Column(String, nullable=True)
+    tg_phone: str = Column(String, nullable=True)
+    saved_contacts: int = Column(Integer, default=0, nullable=False)
+
+    @classmethod
+    def all_with_tgid(cls) -> Iterable['User']:
+        return cls._select_all(cls.c.tgid != None)
+
+    @classmethod
+    def get_by_tgid(cls, tgid: TelegramID) -> Optional['User']:
+        return cls._select_one_or_none(cls.c.tgid == tgid)
+
+    @classmethod
+    def get_by_mxid(cls, mxid: UserID) -> Optional['User']:
+        return cls._select_one_or_none(cls.c.mxid == mxid)
+
+    @classmethod
+    def get_by_username(cls, username: str) -> Optional['User']:
+        return cls._select_one_or_none(func.lower(cls.c.tg_username) == username)
+
+    @property
+    def contacts(self) -> Iterable[TelegramID]:
+        rows = self.db.execute(Contact.t.select().where(Contact.c.user == self.tgid))
+        for row in rows:
+            user, contact = row
+            yield contact
+
+    @contacts.setter
+    def contacts(self, puppets: Iterable[TelegramID]) -> None:
+        with self.db.begin() as conn:
+            conn.execute(Contact.t.delete().where(Contact.c.user == self.tgid))
+            insert_puppets = [{"user": self.tgid, "contact": tgid} for tgid in puppets]
+            if insert_puppets:
+                conn.execute(Contact.t.insert(), insert_puppets)
+
+    @property
+    def portals(self) -> Iterable[Tuple[TelegramID, TelegramID]]:
+        rows = self.db.execute(UserPortal.t.select().where(UserPortal.c.user == self.tgid))
+        for row in rows:
+            user, portal, portal_receiver = row
+            yield (portal, portal_receiver)
+
+    @portals.setter
+    def portals(self, portals: Iterable[Tuple[TelegramID, TelegramID]]) -> None:
+        with self.db.begin() as conn:
+            conn.execute(UserPortal.t.delete().where(UserPortal.c.user == self.tgid))
+            insert_portals = [{
+                "user": self.tgid,
+                "portal": tgid,
+                "portal_receiver": tg_receiver
+            } for tgid, tg_receiver in portals]
+            if insert_portals:
+                conn.execute(UserPortal.t.insert(), insert_portals)
+
+    def delete(self) -> None:
+        super().delete()
+        self.portals = []
+        self.contacts = []
+
+
+class UserPortal(Base):
+    __tablename__ = "user_portal"
+
+    user: TelegramID = Column(Integer, ForeignKey("user.tgid", onupdate="CASCADE",
+                                                  ondelete="CASCADE"), primary_key=True)
+    portal: TelegramID = Column(Integer, primary_key=True)
+    portal_receiver: TelegramID = Column(Integer, primary_key=True)
+
+    __table_args__ = (ForeignKeyConstraint(("portal", "portal_receiver"),
+                                           ("portal.tgid", "portal.tg_receiver"),
+                                           onupdate="CASCADE", ondelete="CASCADE"),)
+
+
+class Contact(Base):
+    __tablename__ = "contact"
+
+    user: TelegramID = Column(Integer, ForeignKey("user.tgid"), primary_key=True)
+    contact: TelegramID = Column(Integer, ForeignKey("puppet.id"), primary_key=True)

mautrix_telegram/formatter/__init__.py

@@ -1,9 +1,8 @@
 from .from_matrix import (matrix_reply_to_telegram, matrix_to_telegram, matrix_text_to_telegram,
                           init_mx)
-from .from_telegram import (telegram_reply_to_matrix, telegram_to_matrix, init_tg)
+from .from_telegram import telegram_reply_to_matrix, telegram_to_matrix
 from .. import context as c
 
 
 def init(context: c.Context) -> None:
     init_mx(context)
-    init_tg(context)

mautrix_telegram/formatter/from_matrix/__init__.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,34 +13,30 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Optional, List, Tuple, Callable, Pattern, Match, TYPE_CHECKING, Dict, Any
+from typing import Optional, List, Tuple, Callable, Pattern, Match, TYPE_CHECKING
 import re
 import logging
 
 from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityItalic,
                                TypeMessageEntity)
+from telethon.helpers import add_surrogate, del_surrogate
+
+from mautrix.types import RoomID, MessageEventContent
 
 from ... import puppet as pu
-from ...types import TelegramID, MatrixRoomID
+from ...types import TelegramID
 from ...db import Message as DBMessage
-from ..util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
-                    trim_reply_fallback_text)
-from .parser_common import ParsedMessage
-
-try:
-    from mautrix_telegram.formatter.from_matrix.parser_lxml import parse_html
-except ImportError:
-    from mautrix_telegram.formatter.from_matrix.parser_htmlparser import parse_html
+from .parser import ParsedMessage, parse_html
 
 if TYPE_CHECKING:
     from ...context import Context
 
-log = logging.getLogger("mau.fmt.mx")  # type: logging.Logger
-should_bridge_plaintext_highlights = False  # type: bool
+log: logging.Logger = logging.getLogger("mau.fmt.mx")
+should_bridge_plaintext_highlights: bool = False
 
-command_regex = re.compile(r"^!([A-Za-z0-9@]+)")  # type: Pattern
-not_command_regex = re.compile(r"^\\(![A-Za-z0-9@]+)")  # type: Pattern
-plain_mention_regex = None  # type: Pattern
+command_regex: Pattern = re.compile(r"^!([A-Za-z0-9@]+)")
+not_command_regex: Pattern = re.compile(r"^\\(![A-Za-z0-9@]+)")
+plain_mention_regex: Optional[Pattern] = None
 
 
 def plain_mention_to_html(match: Match) -> str:
@@ -54,17 +49,22 @@ def plain_mention_to_html(match: Match) -> str:
     return "".join(match.groups())
 
 
+MAX_LENGTH = 4096
+CUTOFF_TEXT = " [message cut]"
+CUT_MAX_LENGTH = MAX_LENGTH - len(CUTOFF_TEXT)
+
+
 def cut_long_message(message: str, entities: List[TypeMessageEntity]) -> ParsedMessage:
-    if len(message) > 4096:
-        message = message[0:4082] + " [message cut]"
+    if len(message) > MAX_LENGTH:
+        message = message[0:CUT_MAX_LENGTH] + CUTOFF_TEXT
         new_entities = []
         for entity in entities:
-            if entity.offset > 4082:
+            if entity.offset > CUT_MAX_LENGTH:
                 continue
-            if entity.offset + entity.length > 4082:
-                entity.length = 4082 - entity.offset
+            if entity.offset + entity.length > CUT_MAX_LENGTH:
+                entity.length = CUT_MAX_LENGTH - entity.offset
             new_entities.append(entity)
-        new_entities.append(MessageEntityItalic(4082, len(" [message cut]")))
+        new_entities.append(MessageEntityItalic(CUT_MAX_LENGTH, len(CUTOFF_TEXT)))
         entities = new_entities
     return message, entities
 
@@ -81,9 +81,8 @@ def matrix_to_telegram(html: str) -> ParsedMessage:
         if should_bridge_plaintext_highlights:
             html = plain_mention_regex.sub(plain_mention_to_html, html)
 
-        html = add_surrogates(html)
-        text, entities = parse_html(add_surrogates(html))
-        text = remove_surrogates(text.strip())
+        text, entities = parse_html(add_surrogate(html))
+        text = del_surrogate(text.strip())
         text, entities = cut_long_message(text, entities)
 
         return text, entities
@@ -91,25 +90,16 @@ def matrix_to_telegram(html: str) -> ParsedMessage:
         raise FormatError(f"Failed to convert Matrix format: {html}") from e
 
 
-def matrix_reply_to_telegram(content: Dict[str, Any], tg_space: TelegramID,
-                             room_id: Optional[MatrixRoomID] = None) -> Optional[TelegramID]:
-    try:
-        reply = content["m.relates_to"]["m.in_reply_to"]
-        room_id = room_id or reply["room_id"]
-        event_id = reply["event_id"]
+def matrix_reply_to_telegram(content: MessageEventContent, tg_space: TelegramID,
+                             room_id: Optional[RoomID] = None) -> Optional[TelegramID]:
+    event_id = content.get_reply_to()
+    if not event_id:
+        return
+    content.trim_reply_fallback()
 
-        try:
-            if content["format"] == "org.matrix.custom.html":
-                content["formatted_body"] = trim_reply_fallback_html(content["formatted_body"])
-        except KeyError:
-            pass
-        content["body"] = trim_reply_fallback_text(content["body"])
-
-        message = DBMessage.get_by_mxid(event_id, room_id, tg_space)
-        if message:
-            return message.tgid
-    except KeyError:
-        pass
+    message = DBMessage.get_by_mxid(event_id, room_id, tg_space)
+    if message:
+        return message.tgid
     return None
 
 
@@ -125,10 +115,10 @@ def matrix_text_to_telegram(text: str) -> ParsedMessage:
     return text, entities
 
 
-def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[str], str]]:
+def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[Match], str]]:
     entities = []
 
-    def replacer(match) -> str:
+    def replacer(match: Match) -> str:
         puppet = pu.Puppet.find_by_displayname(match.group(2))
         if puppet:
             offset = match.start()
@@ -149,7 +139,7 @@ def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[str], st
 def init_mx(context: "Context") -> None:
     global plain_mention_regex, should_bridge_plaintext_highlights
     config = context.config
-    dn_template = config.get("bridge.displayname_template", "{displayname} (Telegram)")
+    dn_template = config["bridge.displayname_template"]
     dn_template = re.escape(dn_template).replace(re.escape("{displayname}"), "[^>]+")
-    plain_mention_regex = re.compile(f"(\s|^)({dn_template})")
-    should_bridge_plaintext_highlights = config["bridge.plaintext_highlights"] or False
+    plain_mention_regex = re.compile(f"^({dn_template})")
+    should_bridge_plaintext_highlights = config["bridge.plaintext_highlights"]

mautrix_telegram/formatter/from_matrix/parser.py

@@ -0,0 +1,89 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import List, Tuple, Optional
+
+from telethon.tl.types import TypeMessageEntity
+
+from mautrix.types import UserID, RoomID
+from mautrix.util.formatter import MatrixParser as BaseMatrixParser, RecursionContext
+from mautrix.util.formatter.html_reader_htmlparser import read_html, HTMLNode
+
+from ... import user as u, puppet as pu, portal as po
+from .telegram_message import TelegramMessage, TelegramEntityType
+
+
+ParsedMessage = Tuple[str, List[TypeMessageEntity]]
+
+
+def parse_html(input_html: str) -> ParsedMessage:
+    msg = MatrixParser.parse(input_html)
+    return msg.text, msg.telegram_entities
+
+
+class MatrixParser(BaseMatrixParser[TelegramMessage]):
+    e = TelegramEntityType
+    fs = TelegramMessage
+    read_html = read_html
+
+    @classmethod
+    def custom_node_to_fstring(cls, node: HTMLNode, ctx: RecursionContext
+                               ) -> Optional[TelegramMessage]:
+        msg = cls.tag_aware_parse_node(node, ctx)
+        if node.tag == "command":
+            msg.format(TelegramEntityType.COMMAND)
+        return None
+
+    @classmethod
+    def user_pill_to_fstring(cls, msg: TelegramMessage, user_id: UserID) -> TelegramMessage:
+        user = (pu.Puppet.get_by_mxid(user_id)
+                or u.User.get_by_mxid(user_id, create=False))
+        if not user:
+            return msg
+        if user.username:
+            return TelegramMessage(f"@{user.username}").format(TelegramEntityType.MENTION)
+        elif user.tgid:
+            displayname = user.plain_displayname or msg.text
+            return TelegramMessage(displayname).format(TelegramEntityType.MENTION_NAME,
+                                                       user_id=user.tgid)
+        return msg
+
+    @classmethod
+    def url_to_fstring(cls, msg: TelegramMessage, url: str) -> TelegramMessage:
+        if url == msg.text:
+            return msg.format(cls.e.URL)
+        else:
+            return msg.format(cls.e.INLINE_URL, url=url)
+
+    @classmethod
+    def room_pill_to_fstring(cls, msg: TelegramMessage, room_id: RoomID) -> TelegramMessage:
+        username = po.Portal.get_username_from_mx_alias(room_id)
+        portal = po.Portal.find_by_username(username)
+        if portal and portal.username:
+            return TelegramMessage(f"@{portal.username}").format(TelegramEntityType.MENTION)
+
+    @classmethod
+    def header_to_fstring(cls, node: HTMLNode, ctx: RecursionContext) -> TelegramMessage:
+        children = cls.node_to_fstrings(node, ctx)
+        length = int(node.tag[1])
+        prefix = "#" * length + " "
+        return TelegramMessage.join(children, "").prepend(prefix).format(TelegramEntityType.BOLD)
+
+    @classmethod
+    def blockquote_to_fstring(cls, node: HTMLNode, ctx: RecursionContext) -> TelegramMessage:
+        msg = cls.tag_aware_parse_node(node, ctx)
+        children = msg.trim().split("\n")
+        children = [child.prepend("> ") for child in children]
+        return TelegramMessage.join(children, "\n")

mautrix_telegram/formatter/from_matrix/parser_common.py

@@ -1,36 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-import re
-from typing import List, Tuple, Pattern
-from telethon.tl.types import TypeMessageEntity
-
-
-class MatrixParserCommon:
-    mention_regex = re.compile("https://matrix.to/#/(@.+:.+)")  # type: Pattern
-    room_regex = re.compile("https://matrix.to/#/(#.+:.+)")  # type: Pattern
-    block_tags = ("p", "pre", "blockquote",
-                  "ol", "ul", "li",
-                  "h1", "h2", "h3", "h4", "h5", "h6",
-                  "div", "hr", "table")  # type: Tuple[str, ...]
-    list_bullets = ("●", "○", "■", "‣")  # type: Tuple[str, ...]
-
-    @classmethod
-    def list_bullet(cls, depth: int) -> str:
-        return cls.list_bullets[(depth - 1) % len(cls.list_bullets)] + " "
-
-
-ParsedMessage = Tuple[str, List[TypeMessageEntity]]

mautrix_telegram/formatter/from_matrix/parser_htmlparser.py

@@ -1,241 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import (Optional, List, Tuple, Type, Dict, Any, TYPE_CHECKING, Match)
-from html import unescape
-from html.parser import HTMLParser
-from collections import deque
-import math
-
-from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityEmail,
-                               MessageEntityUrl, MessageEntityTextUrl, MessageEntityBold,
-                               MessageEntityItalic, MessageEntityCode, MessageEntityPre,
-                               MessageEntityBotCommand, TypeMessageEntity)
-
-from ... import user as u, puppet as pu, portal as po
-from ...types import MatrixUserID
-from ..util import html_to_unicode
-from .parser_common import MatrixParserCommon, ParsedMessage
-
-if TYPE_CHECKING:
-    from typing import Deque
-
-
-def parse_html(html: str) -> ParsedMessage:
-    parser = MatrixParser()
-    parser.feed(html)
-    return parser.text, parser.entities
-
-
-class MatrixParser(HTMLParser, MatrixParserCommon):
-    def __init__(self):
-        super(MatrixParser, self).__init__()
-        self.text = ""  # type: str
-        self.entities = []  # type: List[TypeMessageEntity]
-        self._building_entities = {}  # type: Dict[str, TypeMessageEntity]
-        self._list_counter = 0  # type: int
-        self._open_tags = deque()  # type: Deque[str]
-        self._open_tags_meta = deque()  # type: Deque[Any]
-        self._line_is_new = True  # type: bool
-        self._list_entry_is_new = False  # type: bool
-
-    def _parse_url(self, url: str, args: Dict[str, Any]
-                   ) -> Tuple[Optional[Type[TypeMessageEntity]], Optional[str]]:
-        mention = self.mention_regex.match(url)  # type: Match
-        if mention:
-            mxid = MatrixUserID(mention.group(1))
-            user = (pu.Puppet.get_by_mxid(mxid)
-                    or u.User.get_by_mxid(mxid, create=False))
-            if not user:
-                return None, None
-            if user.username:
-                return MessageEntityMention, f"@{user.username}"
-            elif user.tgid:
-                args["user_id"] = user.tgid
-                return MessageEntityMentionName, user.displayname or None
-            else:
-                return None, None
-
-        room = self.room_regex.match(url)  # type: Match
-        if room:
-            username = po.Portal.get_username_from_mx_alias(room.group(1))
-            portal = po.Portal.find_by_username(username)
-            if portal and portal.username:
-                return MessageEntityMention, f"@{portal.username}"
-
-        if url.startswith("mailto:"):
-            return MessageEntityEmail, url[len("mailto:"):]
-        elif self.get_starttag_text() == url:
-            return MessageEntityUrl, url
-        else:
-            args["url"] = url
-            return MessageEntityTextUrl, None
-
-    def handle_starttag(self, tag: str, attrs_list: List[Tuple[str, str]]):
-        self._open_tags.appendleft(tag)
-        self._open_tags_meta.appendleft(0)
-
-        attrs = dict(attrs_list)
-        entity_type = None  # type: Optional[Type[TypeMessageEntity]]
-        args = {}  # type: Dict[str, Any]
-        if tag in ("strong", "b"):
-            entity_type = MessageEntityBold
-        elif tag in ("em", "i"):
-            entity_type = MessageEntityItalic
-        elif tag == "code":
-            try:
-                pre = self._building_entities["pre"]
-                try:
-                    # Pre tag and language found, add language to MessageEntityPre
-                    pre.language = attrs["class"][len("language-"):]
-                except KeyError:
-                    # Pre tag found, but language not found, keep pre as-is
-                    pass
-            except KeyError:
-                # No pre tag found, this is inline code
-                entity_type = MessageEntityCode
-        elif tag == "pre":
-            entity_type = MessageEntityPre
-            args["language"] = ""
-        elif tag == "command":
-            entity_type = MessageEntityBotCommand
-        elif tag == "li":
-            self._list_entry_is_new = True
-        elif tag == "a":
-            try:
-                url = attrs["href"]
-            except KeyError:
-                return
-            entity_type, url = self._parse_url(url, args)
-            self._open_tags_meta.popleft()
-            self._open_tags_meta.appendleft(url)
-
-        if (tag in self.block_tags and ("blockquote" not in self._open_tags)) or tag == "br":
-            self._newline()
-
-        if entity_type and tag not in self._building_entities:
-            offset = len(self.text)
-            self._building_entities[tag] = entity_type(offset=offset, length=0, **args)
-
-    @property
-    def _list_indent(self) -> int:
-        indent = 0
-        first_skipped = False
-        for index, tag in enumerate(self._open_tags):
-            if not first_skipped and tag in ("ol", "ul"):
-                # The first list level isn't indented, so skip it.
-                first_skipped = True
-                continue
-            if tag == "ol":
-                n = self._open_tags_meta[index]
-                extra_length_for_long_index = (int(math.log(n, 10)) - 1) * 3
-                indent += 4 + extra_length_for_long_index
-            elif tag == "ul":
-                indent += 3
-        return indent
-
-    def _newline(self, allow_multi: bool = False):
-        if self._line_is_new and not allow_multi:
-            return
-        self.text += "\n"
-        self._line_is_new = True
-        for entity in self._building_entities.values():
-            entity.length += 1
-
-    def _handle_special_previous_tags(self, text: str) -> str:
-        if "pre" not in self._open_tags and "code" not in self._open_tags:
-            text = text.replace("\n", "")
-        else:
-            text = text.strip()
-
-        previous_tag = self._open_tags[0] if len(self._open_tags) > 0 else ""
-        if previous_tag == "a":
-            url = self._open_tags_meta[0]
-            if url:
-                text = url
-        elif previous_tag == "command":
-            text = f"/{text}"
-        return text
-
-    def _html_to_unicode(self, text: str) -> str:
-        strikethrough, underline = "del" in self._open_tags, "u" in self._open_tags
-        if strikethrough and underline:
-            text = html_to_unicode(text, "\u0336\u0332")
-        elif strikethrough:
-            text = html_to_unicode(text, "\u0336")
-        elif underline:
-            text = html_to_unicode(text, "\u0332")
-        return text
-
-    def _handle_tags_for_data(self, text: str) -> Tuple[str, int]:
-        extra_offset = 0
-        list_entry_handled_once = False
-        # In order to maintain order of things like blockquotes in lists or lists in blockquotes,
-        # we can't just have ifs/elses and we need to actually loop through the open tags in order.
-        for index, tag in enumerate(self._open_tags):
-            if tag == "blockquote" and self._line_is_new:
-                text = f"> {text}"
-                extra_offset += 2
-            elif tag == "li" and not list_entry_handled_once:
-                list_type_index = index + 1
-                list_type = self._open_tags[list_type_index]
-                indent = self._list_indent * " " if self._line_is_new else ""
-                if list_type == "ol":
-                    n = self._open_tags_meta[list_type_index]
-                    if self._list_entry_is_new:
-                        n += 1
-                        self._open_tags_meta[list_type_index] = n
-                        prefix = f"{n}. "
-                    else:
-                        prefix = int(math.log(n, 10)) * 3 * " " + 4 * " "
-                else:
-                    prefix = (self.list_bullet(self._open_tags.count('ul'))
-                              if self._list_entry_is_new else 3 * " ")
-                if not self._list_entry_is_new and not self._line_is_new:
-                    prefix = ""
-                extra_offset += len(indent) + len(prefix)
-                text = indent + prefix + text
-                self._list_entry_is_new = False
-                list_entry_handled_once = True
-        return text, extra_offset
-
-    def _extend_entities_in_construction(self, text: str, extra_offset: int):
-        for tag, entity in self._building_entities.items():
-            entity.length += len(text) - extra_offset
-            entity.offset += extra_offset
-
-    def handle_data(self, text: str):
-        text = unescape(text)
-        text = self._handle_special_previous_tags(text)
-        text = self._html_to_unicode(text)
-        text, extra_offset = self._handle_tags_for_data(text)
-        self._extend_entities_in_construction(text, extra_offset)
-        self._line_is_new = False
-        self.text += text
-
-    def handle_endtag(self, tag: str):
-        try:
-            self._open_tags.popleft()
-            self._open_tags_meta.popleft()
-        except IndexError:
-            pass
-
-        entity = self._building_entities.pop(tag, None)
-        if entity:
-            self.entities.append(entity)
-
-        if tag in self.block_tags and tag != "br" and "blockquote" not in self._open_tags:
-            self._newline(allow_multi=tag == "br")

mautrix_telegram/formatter/from_matrix/parser_lxml.py

@@ -1,236 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import List, Tuple
-from lxml import html
-
-from telethon.tl.types import (MessageEntityMention as Mention, MessageEntityBotCommand as Command,
-                               MessageEntityMentionName as MentionName, MessageEntityEmail as Email,
-                               MessageEntityUrl as URL, MessageEntityTextUrl as TextURL,
-                               MessageEntityBold as Bold, MessageEntityItalic as Italic,
-                               MessageEntityCode as Code, MessageEntityPre as Pre)
-
-from ... import user as u, puppet as pu, portal as po
-from ...types import MatrixUserID
-from ..util import html_to_unicode
-from .parser_common import MatrixParserCommon, ParsedMessage
-from .telegram_message import TelegramMessage, Entity, offset_length_multiply
-
-
-def parse_html(input_html: str) -> ParsedMessage:
-    return MatrixParser.parse(input_html)
-
-
-class RecursionContext:
-    def __init__(self, strip_linebreaks: bool = True, ul_depth: int = 0):
-        self.strip_linebreaks = strip_linebreaks  # type: bool
-        self.ul_depth = ul_depth  # type: int
-        self._inited = True  # type: bool
-
-    def __setattr__(self, key, value):
-        if getattr(self, "_inited", False) is True:
-            raise TypeError("'RecursionContext' object is immutable")
-        super(RecursionContext, self).__setattr__(key, value)
-
-    def enter_list(self) -> 'RecursionContext':
-        return RecursionContext(strip_linebreaks=self.strip_linebreaks, ul_depth=self.ul_depth + 1)
-
-    def enter_code_block(self) -> 'RecursionContext':
-        return RecursionContext(strip_linebreaks=False, ul_depth=self.ul_depth)
-
-
-class MatrixParser(MatrixParserCommon):
-    @classmethod
-    def list_to_tmessage(cls, node: html.HtmlElement, ctx: RecursionContext) -> TelegramMessage:
-        ordered = node.tag == "ol"
-        tagged_children = cls.node_to_tagged_tmessages(node, ctx)
-        counter = 1
-        indent_length = 0
-        if ordered:
-            try:
-                counter = int(node.attrib.get("start", "1"))
-            except ValueError:
-                counter = 1
-
-            longest_index = counter - 1 + len(tagged_children)
-            indent_length = len(str(longest_index))
-        indent = (indent_length + 4) * " "
-        children = []  # type: List[TelegramMessage]
-        for child, tag in tagged_children:
-            if tag != "li":
-                continue
-
-            if ordered:
-                prefix = f"{counter}. "
-                counter += 1
-            else:
-                prefix = cls.list_bullet(ctx.ul_depth)
-            child = child.prepend(prefix)
-            parts = child.split("\n")
-            parts = parts[:1] + [part.prepend(indent) for part in parts[1:]]
-            child = TelegramMessage.join(parts, "\n")
-            children.append(child)
-        return TelegramMessage.join(children, "\n")
-
-    @classmethod
-    def blockquote_to_tmessage(cls, node: html.HtmlElement, ctx: RecursionContext
-                               ) -> TelegramMessage:
-        msg = cls.tag_aware_parse_node(node, ctx)
-        children = msg.trim().split("\n")
-        children = [child.prepend("> ") for child in children]
-        return TelegramMessage.join(children, "\n")
-
-    @classmethod
-    def header_to_tmessage(cls, node: html.HtmlElement, ctx: RecursionContext) -> TelegramMessage:
-        children = cls.node_to_tmessages(node, ctx)
-        length = int(node.tag[1])
-        prefix = "#" * length + " "
-        return TelegramMessage.join(children, "").prepend(prefix).format(Bold)
-
-    @classmethod
-    def basic_format_to_tmessage(cls, node: html.HtmlElement, ctx: RecursionContext
-                                 ) -> TelegramMessage:
-        msg = cls.tag_aware_parse_node(node, ctx)
-        if node.tag in ("b", "strong"):
-            msg.format(Bold)
-        elif node.tag in ("i", "em"):
-            msg.format(Italic)
-        elif node.tag == "command":
-            msg.format(Command)
-        elif node.tag in ("s", "strike", "del"):
-            msg.text = html_to_unicode(msg.text, "\u0336")
-        elif node.tag in ("u", "ins"):
-            msg.text = html_to_unicode(msg.text, "\u0332")
-
-        if node.tag in ("s", "strike", "del", "u", "ins"):
-            msg.entities = Entity.adjust(msg.entities, offset_length_multiply(2))
-
-        return msg
-
-    @classmethod
-    def link_to_tstring(cls, node: html.HtmlElement, ctx: RecursionContext) -> TelegramMessage:
-        msg = cls.tag_aware_parse_node(node, ctx)
-        href = node.attrib.get("href", "")
-        if not href:
-            return msg
-
-        if href.startswith("mailto:"):
-            return TelegramMessage(href[len("mailto:"):]).format(Email)
-
-        mention = cls.mention_regex.match(href)
-        if mention:
-            mxid = MatrixUserID(mention.group(1))
-            user = (pu.Puppet.get_by_mxid(mxid)
-                    or u.User.get_by_mxid(mxid, create=False))
-            if not user:
-                return msg
-            if user.username:
-                return TelegramMessage(f"@{user.username}").format(Mention)
-            elif user.tgid:
-                return TelegramMessage(user.displayname or msg.text).format(MentionName,
-                                                                            user_id=user.tgid)
-            return msg
-
-        room = cls.room_regex.match(href)
-        if room:
-            username = po.Portal.get_username_from_mx_alias(room.group(1))
-            portal = po.Portal.find_by_username(username)
-            if portal and portal.username:
-                return TelegramMessage(f"@{portal.username}").format(Mention)
-
-        return (msg.format(URL)
-                if msg.text == href
-                else msg.format(TextURL, url=href))
-
-    @classmethod
-    def node_to_tmessage(cls, node: html.HtmlElement, ctx: RecursionContext) -> TelegramMessage:
-        if node.tag == "blockquote":
-            return cls.blockquote_to_tmessage(node, ctx)
-        elif node.tag == "ol":
-            return cls.list_to_tmessage(node, ctx)
-        elif node.tag == "ul":
-            return cls.list_to_tmessage(node, ctx.enter_list())
-        elif node.tag in ("h1", "h2", "h3", "h4", "h5", "h6"):
-            return cls.header_to_tmessage(node, ctx)
-        elif node.tag == "br":
-            return TelegramMessage("\n")
-        elif node.tag in ("b", "strong", "i", "em", "s", "del", "u", "ins", "command"):
-            return cls.basic_format_to_tmessage(node, ctx)
-        elif node.tag == "a":
-            return cls.link_to_tstring(node, ctx)
-        elif node.tag == "p":
-            return cls.tag_aware_parse_node(node, ctx).append("\n")
-        elif node.tag == "pre":
-            lang = ""
-            try:
-                if node[0].tag == "code":
-                    node = node[0]
-                    lang = node.attrib["class"][len("language-"):]
-            except (IndexError, KeyError):
-                pass
-            return cls.parse_node(node, ctx.enter_code_block()).format(Pre, language=lang)
-        elif node.tag == "code":
-            return cls.parse_node(node, ctx.enter_code_block()).format(Code)
-        return cls.tag_aware_parse_node(node, ctx)
-
-    @staticmethod
-    def text_to_tmessage(text: str, ctx: RecursionContext) -> TelegramMessage:
-        if ctx.strip_linebreaks:
-            text = text.replace("\n", "")
-        return TelegramMessage(text)
-
-    @classmethod
-    def node_to_tagged_tmessages(cls, node: html.HtmlElement, ctx: RecursionContext
-                                 ) -> List[Tuple[TelegramMessage, str]]:
-        output = []
-
-        if node.text:
-            output.append((cls.text_to_tmessage(node.text, ctx), "text"))
-        for child in node:
-            output.append((cls.node_to_tmessage(child, ctx), child.tag))
-            if child.tail:
-                output.append((cls.text_to_tmessage(child.tail, ctx), "text"))
-        return output
-
-    @classmethod
-    def node_to_tmessages(cls, node: html.HtmlElement, ctx: RecursionContext
-                          ) -> List[TelegramMessage]:
-        return [msg for (msg, tag) in cls.node_to_tagged_tmessages(node, ctx)]
-
-    @classmethod
-    def tag_aware_parse_node(cls, node: html.HtmlElement, ctx: RecursionContext
-                             ) -> TelegramMessage:
-        msgs = cls.node_to_tagged_tmessages(node, ctx)
-        output = TelegramMessage()
-        prev_was_block = False
-        for msg, tag in msgs:
-            if tag in cls.block_tags:
-                msg = msg.append("\n")
-                if not prev_was_block:
-                    msg = msg.prepend("\n")
-                prev_was_block = True
-            output = output.append(msg)
-        return output.trim()
-
-    @classmethod
-    def parse_node(cls, node: html.HtmlElement, ctx: RecursionContext) -> TelegramMessage:
-        return TelegramMessage.join(cls.node_to_tmessages(node, ctx))
-
-    @classmethod
-    def parse(cls, data: str) -> ParsedMessage:
-        document = html.fromstring(f"<html>{data}</html>")
-        msg = cls.parse_node(document, RecursionContext())
-        return msg.text, msg.entities

mautrix_telegram/formatter/from_matrix/telegram_message.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,144 +13,87 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Callable, List, Optional, Sequence, Type, Union
+from typing import Optional, Union, Any, List, Type, Dict
+from enum import Enum
 
-from telethon.tl.types import (MessageEntityMentionName as MentionName,
-                               MessageEntityTextUrl as TextURL, MessageEntityPre as Pre,
-                               TypeMessageEntity, InputMessageEntityMentionName as InputMentionName)
+from telethon.tl.types import (MessageEntityMention as Mention, MessageEntityBotCommand as Command,
+                               MessageEntityMentionName as MentionName, MessageEntityUrl as URL,
+                               MessageEntityEmail as Email, MessageEntityTextUrl as TextURL,
+                               MessageEntityBold as Bold, MessageEntityItalic as Italic,
+                               MessageEntityCode as Code, MessageEntityPre as Pre,
+                               MessageEntityStrike as Strike, MessageEntityUnderline as Underline,
+                               MessageEntityBlockquote as Blockquote, TypeMessageEntity,
+                               InputMessageEntityMentionName as InputMentionName)
+
+from mautrix.util.formatter import EntityString, SemiAbstractEntity
 
 
-class Entity:
-    @staticmethod
-    def copy(entity: TypeMessageEntity) -> Optional[TypeMessageEntity]:
-        if not entity:
-            return None
-        kwargs = {
-            "offset": entity.offset,
-            "length": entity.length,
-        }
-        if isinstance(entity, Pre):
-            kwargs["language"] = entity.language
-        elif isinstance(entity, TextURL):
-            kwargs["url"] = entity.url
-        elif isinstance(entity, (MentionName, InputMentionName)):
-            kwargs["user_id"] = entity.user_id
-        return entity.__class__(**kwargs)
+class TelegramEntityType(Enum):
+    """EntityType is a Matrix formatting entity type."""
+    BOLD = Bold
+    ITALIC = Italic
+    STRIKETHROUGH = Strike
+    UNDERLINE = Underline
+    URL = URL
+    INLINE_URL = TextURL
+    EMAIL = Email
+    PREFORMATTED = Pre
+    INLINE_CODE = Code
+    BLOCKQUOTE = Blockquote
+    MENTION = Mention
+    MENTION_NAME = MentionName
+    COMMAND = Command
 
-    @classmethod
-    def adjust(cls, entity: Union[TypeMessageEntity, List[TypeMessageEntity]],
-               func: Callable[[TypeMessageEntity], None]
-               ) -> Union[Optional[TypeMessageEntity], List[TypeMessageEntity]]:
-        if isinstance(entity, list):
-            return [Entity.adjust(element, func) for element in entity if entity]
-        elif not entity:
-            return None
-        entity = cls.copy(entity)
-        func(entity)
-        if entity.offset < 0:
-            entity.length += entity.offset
-            entity.offset = 0
-        return entity
+    USER_MENTION = 1
+    ROOM_MENTION = 2
+    HEADER = 3
 
 
-def offset_diff(amount: int) -> Callable[[TypeMessageEntity], None]:
-    def func(entity: TypeMessageEntity) -> None:
-        entity.offset += amount
+class TelegramEntity(SemiAbstractEntity):
+    internal: TypeMessageEntity
 
-    return func
+    def __init__(self, type: Union[TelegramEntityType, Type[TypeMessageEntity]],
+                 offset: int, length: int, extra_info: Dict[str, Any]) -> None:
+        if isinstance(type, TelegramEntityType):
+            if isinstance(type.value, int):
+                raise ValueError(f"Can't create Entity with non-Telegram EntityType {type}")
+            type = type.value
+        self.internal = type(offset=offset, length=length, **extra_info)
+
+    def copy(self) -> Optional['TelegramEntity']:
+        extra_info = {}
+        if isinstance(self.internal, Pre):
+            extra_info["language"] = self.internal.language
+        elif isinstance(self.internal, TextURL):
+            extra_info["url"] = self.internal.url
+        elif isinstance(self.internal, (MentionName, InputMentionName)):
+            extra_info["user_id"] = self.internal.user_id
+        return TelegramEntity(type(self.internal), offset=self.internal.offset,
+                              length=self.internal.length, extra_info=extra_info)
+
+    def __repr__(self) -> str:
+        return str(self.internal)
+
+    @property
+    def offset(self) -> int:
+        return self.internal.offset
+
+    @offset.setter
+    def offset(self, value: int) -> None:
+        self.internal.offset = value
+
+    @property
+    def length(self) -> int:
+        return self.internal.length
+
+    @length.setter
+    def length(self, value: int) -> None:
+        self.internal.length = value
 
 
-def offset_length_multiply(amount: int) -> Callable[[TypeMessageEntity], None]:
-    def func(entity: TypeMessageEntity) -> None:
-        entity.offset *= amount
-        entity.length *= amount
+class TelegramMessage(EntityString[TelegramEntity, TelegramEntityType]):
+    entity_class = TelegramEntity
 
-    return func
-
-
-class TelegramMessage:
-    def __init__(self, text: str = "", entities: Optional[List[TypeMessageEntity]] = None) -> None:
-        self.text = text  # type: str
-        self.entities = entities or []  # type: List[TypeMessageEntity]
-
-    def offset_entities(self, offset: int) -> 'TelegramMessage':
-        def apply_offset(entity: TypeMessageEntity, inner_offset: int
-                         ) -> Optional[TypeMessageEntity]:
-            entity = Entity.copy(entity)
-            entity.offset += inner_offset
-            if entity.offset < 0:
-                entity.offset = 0
-            elif entity.offset > len(self.text):
-                return None
-            elif entity.offset + entity.length > len(self.text):
-                entity.length = len(self.text) - entity.offset
-            return entity
-
-        self.entities = [apply_offset(entity, offset) for entity in self.entities if entity]
-        self.entities = [x for x in self.entities if x is not None]
-        return self
-
-    def append(self, *args: Union[str, 'TelegramMessage']) -> 'TelegramMessage':
-        for msg in args:
-            if isinstance(msg, str):
-                msg = TelegramMessage(text=msg)
-            self.entities += Entity.adjust(msg.entities, offset_diff(len(self.text)))
-            self.text += msg.text
-        return self
-
-    def prepend(self, *args: Union[str, 'TelegramMessage']) -> 'TelegramMessage':
-        for msg in args:
-            if isinstance(msg, str):
-                msg = TelegramMessage(text=msg)
-            self.entities = msg.entities + Entity.adjust(self.entities, offset_diff(len(msg.text)))
-            self.text = msg.text + self.text
-        return self
-
-    def format(self, entity_type: Type[TypeMessageEntity], offset: int = None, length: int = None,
-               **kwargs) -> 'TelegramMessage':
-        self.entities.append(entity_type(offset=offset or 0,
-                                         length=length if length is not None else len(self.text),
-                                         **kwargs))
-        return self
-
-    def concat(self, *args: Union[str, 'TelegramMessage']) -> 'TelegramMessage':
-        return TelegramMessage().append(self, *args)
-
-    def trim(self) -> 'TelegramMessage':
-        orig_len = len(self.text)
-        self.text = self.text.lstrip()
-        diff = orig_len - len(self.text)
-        self.text = self.text.rstrip()
-        self.offset_entities(-diff)
-        return self
-
-    def split(self, separator, max_items: int = 0) -> List['TelegramMessage']:
-        text_parts = self.text.split(separator, max_items - 1)
-        output = []  # type: List[TelegramMessage]
-
-        offset = 0
-        for part in text_parts:
-            msg = TelegramMessage(part)
-            for entity in self.entities:
-                start_in_range = len(part) > entity.offset - offset >= 0
-                end_in_range = len(part) >= entity.offset - offset + entity.length > 0
-                if start_in_range and end_in_range:
-                    msg.entities.append(Entity.adjust(entity, offset_diff(-offset)))
-            output.append(msg)
-
-            offset += len(part)
-            offset += len(separator)
-
-        return output
-
-    @staticmethod
-    def join(items: Sequence[Union[str, 'TelegramMessage']],
-             separator: str = " ") -> 'TelegramMessage':
-        main = TelegramMessage()
-        for msg in items:
-            if isinstance(msg, str):
-                msg = TelegramMessage(text=msg)
-            main.entities += Entity.adjust(msg.entities, offset_diff(len(main.text)))
-            main.text += msg.text + separator
-        main.text = main.text[:-len(separator)]
-        return main
+    @property
+    def telegram_entities(self) -> List[TypeMessageEntity]:
+        return [entity.internal for entity in self.entities]

mautrix_telegram/formatter/from_telegram.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,7 +13,7 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, List, Optional, Tuple, TYPE_CHECKING
+from typing import List, Optional, TYPE_CHECKING
 from html import escape
 import logging
 import re
@@ -23,192 +22,161 @@ from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, M
                                MessageEntityEmail, MessageEntityTextUrl, MessageEntityBold,
                                MessageEntityItalic, MessageEntityCode, MessageEntityPre,
                                MessageEntityBotCommand, MessageEntityHashtag, MessageEntityCashtag,
-                               MessageEntityPhone, TypeMessageEntity, Message, PeerChannel,
-                               MessageFwdHeader, PeerUser)
+                               MessageEntityPhone, TypeMessageEntity, PeerChannel,
+                               MessageEntityBlockquote, MessageEntityStrike, MessageFwdHeader,
+                               MessageEntityUnderline, PeerUser)
+from telethon.tl.custom import Message
+from telethon.errors import RPCError
+from telethon.helpers import add_surrogate, del_surrogate
 
-from mautrix_appservice import MatrixRequestError
-from mautrix_appservice.intent_api import IntentAPI
+from mautrix.errors import MatrixRequestError
+from mautrix.appservice import IntentAPI
+from mautrix.types import (TextMessageEventContent, RelatesTo, RelationType, Format, MessageType,
+                           MessageEvent)
 
 from .. import user as u, puppet as pu, portal as po
 from ..types import TelegramID
 from ..db import Message as DBMessage
-from .util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
-                   trim_reply_fallback_text, unicode_to_html)
 
 if TYPE_CHECKING:
     from ..abstract_user import AbstractUser
-    from ..context import Context
 
-try:
-    from lxml.html.diff import htmldiff
-except ImportError:
-    htmldiff = None  # type: ignore
+log: logging.Logger = logging.getLogger("mau.fmt.tg")
 
 
-log = logging.getLogger("mau.fmt.tg")  # type: logging.Logger
-should_highlight_edits = False  # type: bool
-
-
-def telegram_reply_to_matrix(evt: Message, source: 'AbstractUser') -> Dict:
+def telegram_reply_to_matrix(evt: Message, source: 'AbstractUser') -> Optional[RelatesTo]:
     if evt.reply_to_msg_id:
         space = (evt.to_id.channel_id
                  if isinstance(evt, Message) and isinstance(evt.to_id, PeerChannel)
                  else source.tgid)
-        msg = DBMessage.get_by_tgid(evt.reply_to_msg_id, space)
+        msg = DBMessage.get_one_by_tgid(TelegramID(evt.reply_to_msg_id), space)
         if msg:
-            return {
-                "m.in_reply_to": {
-                    "event_id": msg.mxid,
-                    "room_id": msg.mx_room,
-                }
-            }
-    return {}
+            return RelatesTo(rel_type=RelationType.REFERENCE, event_id=msg.mxid)
+    return None
 
 
-async def _add_forward_header(source, text: str, html: Optional[str],
-                              fwd_from: MessageFwdHeader) -> Tuple[str, str]:
-    if not html:
-        html = escape(text)
+async def _add_forward_header(source: 'AbstractUser', content: TextMessageEventContent,
+                              fwd_from: MessageFwdHeader) -> None:
+    if not content.formatted_body or content.format != Format.HTML:
+        content.format = Format.HTML
+        content.formatted_body = escape(content.body)
     fwd_from_html, fwd_from_text = None, None
     if fwd_from.from_id:
-        user = u.User.get_by_tgid(fwd_from.from_id)
+        user = u.User.get_by_tgid(TelegramID(fwd_from.from_id))
         if user:
             fwd_from_text = user.displayname or user.mxid
-            fwd_from_html = f"<a href='https://matrix.to/#/{user.mxid}'>{fwd_from_text}</a>"
+            fwd_from_html = (f"<a href='https://matrix.to/#/{user.mxid}'>"
+                             f"{escape(fwd_from_text)}</a>")
 
         if not fwd_from_text:
             puppet = pu.Puppet.get(TelegramID(fwd_from.from_id), create=False)
             if puppet and puppet.displayname:
                 fwd_from_text = puppet.displayname or puppet.mxid
-                fwd_from_html = f"<a href='https://matrix.to/#/{puppet.mxid}'>{fwd_from_text}</a>"
+                fwd_from_html = (f"<a href='https://matrix.to/#/{puppet.mxid}'>"
+                                 f"{escape(fwd_from_text)}</a>")
 
         if not fwd_from_text:
-            user = await source.client.get_entity(PeerUser(fwd_from.from_id))
-            if user:
-                fwd_from_text = pu.Puppet.get_displayname(user, False)
-                fwd_from_html = f"<b>{fwd_from_text}</b>"
-
-    if not fwd_from_text:
-        if fwd_from.from_id:
-            fwd_from_text = "Unknown user"
+            try:
+                user = await source.client.get_entity(PeerUser(fwd_from.from_id))
+                if user:
+                    fwd_from_text = pu.Puppet.get_displayname(user, False)
+                    fwd_from_html = f"<b>{escape(fwd_from_text)}</b>"
+            except (ValueError, RPCError):
+                fwd_from_text = fwd_from_html = "unknown user"
+    elif fwd_from.channel_id:
+        portal = po.Portal.get_by_tgid(TelegramID(fwd_from.channel_id))
+        if portal:
+            fwd_from_text = portal.title
+            if portal.alias:
+                fwd_from_html = (f"<a href='https://matrix.to/#/{portal.alias}'>"
+                                 f"{escape(fwd_from_text)}</a>")
+            else:
+                fwd_from_html = f"channel <b>{escape(fwd_from_text)}</b>"
         else:
-            fwd_from_text = "Unknown source"
-        fwd_from_html = f"<b>{fwd_from_text}</b>"
+            try:
+                channel = await source.client.get_entity(PeerChannel(fwd_from.channel_id))
+                if channel:
+                    fwd_from_text = f"channel {channel.title}"
+                    fwd_from_html = f"channel <b>{escape(channel.title)}</b>"
+            except (ValueError, RPCError):
+                fwd_from_text = fwd_from_html = "unknown channel"
+    elif fwd_from.from_name:
+        fwd_from_text = fwd_from.from_name
+        fwd_from_html = f"<b>{escape(fwd_from.from_name)}</b>"
+    else:
+        fwd_from_text = "unknown source"
+        fwd_from_html = f"unknown source"
 
-    text = "\n".join([f"> {line}" for line in text.split("\n")])
-    text = f"Forwarded from {fwd_from_text}:\n{text}"
-    html = (f"Forwarded message from {fwd_from_html}<br/>"
-            f"<tg-forward><blockquote>{html}</blockquote></tg-forward>")
-    return text, html
+    content.body = "\n".join([f"> {line}" for line in content.body.split("\n")])
+    content.body = f"Forwarded from {fwd_from_text}:\n{content.body}"
+    content.formatted_body = (
+        f"Forwarded message from {fwd_from_html}<br/>"
+        f"<tg-forward><blockquote>{content.formatted_body}</blockquote></tg-forward>")
 
 
-def highlight_edits(new_html: str, old_html: str) -> str:
-    # Don't include `Edit:` text in diff.
-    if old_html.startswith("<u>Edit:</u> "):
-        old_html = old_html[len("<u>Edit:</u> "):]
-
-    # Generate diff with lxml
-    new_html = htmldiff(old_html, new_html)
-
-    # Replace <ins> with <u> since Riot doesn't allow <ins>
-    new_html = new_html.replace("<ins>", "<u>").replace("</ins>", "</u>")
-    # Remove <del>s since we just want to hide deletions.
-    new_html = re.sub("<del>.+?</del>", "", new_html)
-    return new_html
-
-
-async def _add_reply_header(source: "AbstractUser", text: str, html: str, evt: Message,
-                            relates_to: Dict, main_intent: IntentAPI, is_edit: bool
-                            ) -> Tuple[str, str]:
+async def _add_reply_header(source: 'AbstractUser', content: TextMessageEventContent, evt: Message,
+                            main_intent: IntentAPI):
     space = (evt.to_id.channel_id
              if isinstance(evt, Message) and isinstance(evt.to_id, PeerChannel)
              else source.tgid)
 
-    msg = DBMessage.get_by_tgid(evt.reply_to_msg_id, space)
+    msg = DBMessage.get_one_by_tgid(TelegramID(evt.reply_to_msg_id), space)
     if not msg:
-        return text, html
+        return
 
-    relates_to["m.in_reply_to"] = {
-        "event_id": msg.mxid,
-        "room_id": msg.mx_room,
-    }
+    content.relates_to = RelatesTo(rel_type=RelationType.REFERENCE, event_id=msg.mxid)
 
     try:
-        event = await main_intent.get_event(msg.mx_room, msg.mxid)
-
-        content = event["content"]
-        r_sender = event["sender"]
-
-        r_text_body = trim_reply_fallback_text(content["body"])
-        r_html_body = trim_reply_fallback_html(content["formatted_body"]
-                                               if "formatted_body" in content
-                                               else escape(content["body"]))
-
-        puppet = pu.Puppet.get_by_mxid(r_sender, create=False)
-        r_displayname = puppet.displayname if puppet else r_sender
-        r_sender_link = f"<a href='https://matrix.to/#/{r_sender}'>{r_displayname}</a>"
-
-        if is_edit and should_highlight_edits:
-            html = highlight_edits(html or escape(text), r_html_body)
-    except (ValueError, KeyError, MatrixRequestError):
-        r_sender_link = "unknown user"
-        r_displayname = "unknown user"
-        r_text_body = "Failed to fetch message"
-        r_html_body = "<em>Failed to fetch message</em>"
-
-    if is_edit:
-        html = f"<u>Edit:</u> {html or escape(text)}"
-        text = f"Edit: {text}"
-
-    r_keyword = "In reply to" if not is_edit else "Edit to"
-    r_msg_link = f"<a href='https://matrix.to/#/{msg.mx_room}/{msg.mxid}'>{r_keyword}</a>"
-    html = (
-        f"<mx-reply><blockquote>{r_msg_link} {r_sender_link}\n{r_html_body}</blockquote></mx-reply>"
-        + (html or escape(text)))
-
-    lines = r_text_body.strip().split("\n")
-    text_with_quote = f"> <{r_displayname}> {lines.pop(0)}"
-    for line in lines:
-        if line:
-            text_with_quote += f"\n> {line}"
-    text_with_quote += "\n\n"
-    text_with_quote += text
-    return text_with_quote, html
+        event: MessageEvent = await main_intent.get_event(msg.mx_room, msg.mxid)
+        if isinstance(event.content, TextMessageEventContent):
+            event.content.trim_reply_fallback()
+        puppet = pu.Puppet.get_by_mxid(event.sender, create=False)
+        content.set_reply(event, displayname=puppet.displayname if puppet else event.sender)
+    except MatrixRequestError:
+        log.exception("Failed to get event to add reply fallback")
 
 
 async def telegram_to_matrix(evt: Message, source: "AbstractUser",
                              main_intent: Optional[IntentAPI] = None,
-                             is_edit: bool = False, prefix_text: Optional[str] = None,
-                             prefix_html: Optional[str] = None) -> Tuple[str, str, Dict]:
-    text = add_surrogates(evt.message)
-    html = _telegram_entities_to_matrix_catch(text, evt.entities) if evt.entities else None
-    relates_to = {}  # type: Dict
+                             prefix_text: Optional[str] = None, prefix_html: Optional[str] = None,
+                             override_text: str = None,
+                             override_entities: List[TypeMessageEntity] = None,
+                             no_reply_fallback: bool = False) -> TextMessageEventContent:
+    content = TextMessageEventContent(
+        msgtype=MessageType.TEXT,
+        body=add_surrogate(override_text or evt.message),
+    )
+    entities = override_entities or evt.entities
+    if entities:
+        content.format = Format.HTML
+        content.formatted_body = _telegram_entities_to_matrix_catch(content.body, entities)
 
     if prefix_html:
-        html = prefix_html + (html or escape(text))
+        if not content.formatted_body:
+            content.format = Format.HTML
+            content.formatted_body = escape(content.body)
+        content.formatted_body = prefix_html + content.formatted_body
     if prefix_text:
-        text = prefix_text + text
+        content.body = prefix_text + content.body
 
     if evt.fwd_from:
-        text, html = await _add_forward_header(source, text, html, evt.fwd_from)
+        await _add_forward_header(source, content, evt.fwd_from)
 
-    if evt.reply_to_msg_id:
-        text, html = await _add_reply_header(source, text, html, evt, relates_to, main_intent,
-                                             is_edit)
+    if evt.reply_to_msg_id and not no_reply_fallback:
+        await _add_reply_header(source, content, evt, main_intent)
 
     if isinstance(evt, Message) and evt.post and evt.post_author:
-        if not html:
-            html = escape(text)
-        text += f"\n- {evt.post_author}"
-        html += f"<br/><i>- <u>{evt.post_author}</u></i>"
+        if not content.formatted_body:
+            content.formatted_body = escape(content.body)
+        content.body += f"\n- {evt.post_author}"
+        content.formatted_body += f"<br/><i>- <u>{evt.post_author}</u></i>"
 
-    html = unicode_to_html(text, html, "\u0336", "del")
-    html = unicode_to_html(text, html, "\u0332", "u")
+    content.body = del_surrogate(content.body)
 
-    if html:
-        html = html.replace("\n", "<br/>")
+    if content.formatted_body:
+        content.formatted_body = del_surrogate(content.formatted_body.replace("\n", "<br/>"))
 
-    return remove_surrogates(text), remove_surrogates(html), relates_to
+    return content
 
 
 def _telegram_entities_to_matrix_catch(text: str, entities: List[TypeMessageEntity]) -> str:
@@ -222,25 +190,39 @@ def _telegram_entities_to_matrix_catch(text: str, entities: List[TypeMessageEnti
     return "[failed conversion in _telegram_entities_to_matrix]"
 
 
-def _telegram_entities_to_matrix(text: str, entities: List[TypeMessageEntity]) -> str:
+def _telegram_entities_to_matrix(text: str, entities: List[TypeMessageEntity],
+                                 offset: int = 0, length: int = None) -> str:
     if not entities:
-        return text
+        return escape(text)
+    if length is None:
+        length = len(text)
     html = []
     last_offset = 0
-    for entity in entities:
-        if entity.offset > last_offset:
-            html.append(escape(text[last_offset:entity.offset]))
-        elif entity.offset < last_offset:
+    for i, entity in enumerate(entities):
+        if entity.offset > offset + length:
+            break
+        relative_offset = entity.offset - offset
+        if relative_offset > last_offset:
+            html.append(escape(text[last_offset:relative_offset]))
+        elif relative_offset < last_offset:
             continue
 
         skip_entity = False
-        entity_text = escape(text[entity.offset:entity.offset + entity.length])
+        entity_text = _telegram_entities_to_matrix(
+            text=text[relative_offset:relative_offset + entity.length],
+            entities=entities[i + 1:], offset=entity.offset, length=entity.length)
         entity_type = type(entity)
 
         if entity_type == MessageEntityBold:
             html.append(f"<strong>{entity_text}</strong>")
         elif entity_type == MessageEntityItalic:
             html.append(f"<em>{entity_text}</em>")
+        elif entity_type == MessageEntityUnderline:
+            html.append(f"<u>{entity_text}</u>")
+        elif entity_type == MessageEntityStrike:
+            html.append(f"<del>{entity_text}</del>")
+        elif entity_type == MessageEntityBlockquote:
+            html.append(f"<blockquote>{entity_text}</blockquote>")
         elif entity_type == MessageEntityCode:
             html.append(f"<pre><code>{entity_text}</code></pre>"
                         if "\n" in entity_text
@@ -262,8 +244,8 @@ def _telegram_entities_to_matrix(text: str, entities: List[TypeMessageEntity]) -
             html.append(f"<font color='blue'>{entity_text}</font>")
         else:
             skip_entity = True
-        last_offset = entity.offset + (0 if skip_entity else entity.length)
-    html.append(text[last_offset:])
+        last_offset = relative_offset + (0 if skip_entity else entity.length)
+    html.append(escape(text[last_offset:]))
 
     return "".join(html)
 
@@ -309,8 +291,8 @@ def _parse_name_mention(html: List[str], entity_text: str, user_id: TelegramID)
     return False
 
 
-message_link_regex = re.compile(
-    r"https?://t(?:elegram)?\.(?:me|dog)/([A-Za-z][A-Za-z0-9_]{3,}[A-Za-z0-9])/([0-9]{1,50})")
+message_link_regex = re.compile(r"https?://t(?:elegram)?\.(?:me|dog)/"
+                                r"([A-Za-z][A-Za-z0-9_]{3,}[A-Za-z0-9])/([0-9]{1,50})")
 
 
 def _parse_url(html: List[str], entity_text: str, url: str) -> bool:
@@ -325,14 +307,9 @@ def _parse_url(html: List[str], entity_text: str, url: str) -> bool:
 
         portal = po.Portal.find_by_username(group)
         if portal:
-            message = DBMessage.get_by_tgid(TelegramID(msgid), portal.tgid)
+            message = DBMessage.get_one_by_tgid(TelegramID(msgid), portal.tgid)
             if message:
                 url = f"https://matrix.to/#/{portal.mxid}/{message.mxid}"
 
     html.append(f"<a href='{url}'>{entity_text}</a>")
     return False
-
-
-def init_tg(context: "Context") -> None:
-    global should_highlight_edits
-    should_highlight_edits = htmldiff and context.config["bridge.highlight_edits"]

mautrix_telegram/formatter/util.py

@@ -1,89 +0,0 @@
-# -*- coding: future_fstrings -*-
-# mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Optional, Pattern
-from html import escape
-import struct
-import re
-
-
-def unicode_to_html(text: str, html: str, ctrl: str, tag: str) -> str:
-    if ctrl not in text:
-        return html
-    if not html:
-        html = escape(text)
-    tag_start = f"<{tag}>"
-    tag_end = f"</{tag}>"
-    characters = html.split(ctrl)
-    html = ""
-    in_tag = False
-    for char in characters:
-        if not in_tag:
-            if len(char) > 1:
-                html += char[0:-1]
-                char = char[-1]
-            html += tag_start
-            in_tag = True
-            html += char
-        else:
-            if len(char) > 1:
-                html += tag_end
-                in_tag = False
-            html += char
-    if in_tag:
-        html += tag_end
-    return html
-
-
-def html_to_unicode(text: str, ctrl: str) -> str:
-    return ctrl.join(text) + ctrl
-
-
-# add_surrogates and remove_surrogates are unicode surrogate utility functions from Telethon.
-# Licensed under the MIT license.
-# https://github.com/LonamiWebs/Telethon/blob/7cce7aa3e4c6c7019a55530391b1761d33e5a04e/telethon/helpers.py
-def add_surrogates(text: Optional[str]) -> Optional[str]:
-    if text is None:
-        return None
-    return "".join("".join(chr(y) for y in struct.unpack("<HH", x.encode("utf-16-le")))
-                   if (0x10000 <= ord(x) <= 0x10FFFF) else x for x in text)
-
-
-def remove_surrogates(text: Optional[str]) -> Optional[str]:
-    if text is None:
-        return None
-    return text.encode("utf-16", "surrogatepass").decode("utf-16")
-
-
-# trim_reply_fallback_text, html_reply_fallback_regex and trim_reply_fallback_html are Matrix
-# reply fallback utility functions.
-# You may copy and use them under any OSI-approved license.
-def trim_reply_fallback_text(text: str) -> str:
-    if not text.startswith("> ") or "\n" not in text:
-        return text
-    lines = text.split("\n")
-    while len(lines) > 0 and lines[0].startswith("> "):
-        lines.pop(0)
-    return "\n".join(lines)
-
-
-html_reply_fallback_regex = re.compile("^<mx-reply>"
-                                       r"[\s\S]+?"
-                                       "</mx-reply>")  # type: Pattern
-
-
-def trim_reply_fallback_html(html: str) -> str:
-    return html_reply_fallback_regex.sub("", html)

mautrix_telegram/matrix.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,48 +13,56 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, List, Match, Optional, Set, Tuple, TYPE_CHECKING
-import logging
-import asyncio
-import re
+from typing import Dict, Set, Tuple, Union, Iterable, TYPE_CHECKING
 
-from mautrix_appservice import MatrixRequestError, IntentError
+from mautrix.bridge import BaseMatrixHandler
+from mautrix.types import (Event, EventType, RoomID, UserID, EventID, ReceiptEvent, ReceiptType,
+                           ReceiptEventContent, PresenceEvent, PresenceState, TypingEvent,
+                           MessageEvent, StateEvent, RedactionEvent, RoomNameStateEventContent,
+                           RoomAvatarStateEventContent, RoomTopicStateEventContent,
+                           MemberStateEventContent)
+from mautrix.errors import MatrixError
 
-from .types import MatrixEvent, MatrixEventID, MatrixRoomID, MatrixUserID
 from . import user as u, portal as po, puppet as pu, commands as com
 
 if TYPE_CHECKING:
     from .context import Context
+    from .bot import Bot
+
+try:
+    from prometheus_client import Histogram
+
+    EVENT_TIME = Histogram("matrix_event", "Time spent processing Matrix events", ["event_type"])
+except ImportError:
+    Histogram = None
+    EVENT_TIME = None
+
+RoomMetaStateEventContent = Union[RoomNameStateEventContent, RoomAvatarStateEventContent,
+                                  RoomTopicStateEventContent]
 
 
-class MatrixHandler:
-    log = logging.getLogger("mau.mx")  # type: logging.Logger
+class MatrixHandler(BaseMatrixHandler):
+    bot: 'Bot'
+    commands: 'com.CommandProcessor'
+    previously_typing: Dict[RoomID, Set[UserID]]
 
     def __init__(self, context: 'Context') -> None:
-        self.az, self.db, self.config, _, self.tgbot = context.core
-        self.commands = com.CommandProcessor(context)  # type: com.CommandProcessor
-        self.previously_typing = []  # type: List[MatrixUserID]
+        super(MatrixHandler, self).__init__(context.az, context.config, loop=context.loop,
+                                            command_processor=com.CommandProcessor(context))
+        self.bot = context.bot
+        self.previously_typing = {}
 
-        self.az.matrix_event_handler(self.handle_event)
+    async def get_user(self, user_id: UserID) -> 'u.User':
+        return await u.User.get_by_mxid(user_id).ensure_started()
 
-    async def init_as_bot(self) -> None:
-        displayname = self.config["appservice.bot_displayname"]
-        if displayname:
-            try:
-                await self.az.intent.set_display_name(
-                    displayname if displayname != "remove" else "")
-            except asyncio.TimeoutError:
-                self.log.exception("TimeoutError when trying to set displayname")
+    async def get_portal(self, room_id: RoomID) -> 'po.Portal':
+        return po.Portal.get_by_mxid(room_id)
 
-        avatar = self.config["appservice.bot_avatar"]
-        if avatar:
-            try:
-                await self.az.intent.set_avatar(avatar if avatar != "remove" else "")
-            except asyncio.TimeoutError:
-                self.log.exception("TimeoutError when trying to set avatar")
+    async def get_puppet(self, user_id: UserID) -> 'pu.Puppet':
+        return pu.Puppet.get_by_mxid(user_id)
 
-    async def handle_puppet_invite(self, room_id: MatrixRoomID, puppet: pu.Puppet, inviter: u.User
-                                   ) -> None:
+    async def handle_puppet_invite(self, room_id: RoomID, puppet: pu.Puppet, inviter: u.User,
+                                   event_id: EventID) -> None:
         intent = puppet.default_mxid_intent
         self.log.debug(f"{inviter} invited puppet for {puppet.tgid} to {room_id}")
         if not await inviter.is_logged_in():
@@ -73,7 +80,7 @@ class MatrixHandler:
             return
         try:
             members = await self.az.intent.get_room_members(room_id)
-        except MatrixRequestError:
+        except MatrixError:
             members = []
         if self.az.bot_mxid not in members:
             if len(members) > 1:
@@ -85,18 +92,16 @@ class MatrixHandler:
 
             await intent.join_room(room_id)
             portal = po.Portal.get_by_tgid(puppet.tgid, inviter.tgid, "user")
-            # TODO: if portal is None:
             if portal.mxid:
                 try:
-                    await intent.invite(portal.mxid, inviter.mxid)
-                    await intent.send_notice(room_id, text=None, html=(
-                        "You already have a private chat with me: "
-                        f"<a href='https://matrix.to/#/{portal.mxid}'>"
-                        "Link to room"
-                        "</a>"))
+                    await intent.invite_user(portal.mxid, inviter.mxid)
+                    await intent.send_notice(
+                        room_id, text=f"You already have a private chat with me: {portal.mxid}",
+                        html=("You already have a private chat with me: "
+                              f"<a href='https://matrix.to/#/{portal.mxid}'>Link to room</a>"))
                     await intent.leave_room(room_id)
                     return
-                except MatrixRequestError:
+                except MatrixError:
                     pass
             portal.mxid = room_id
             portal.save()
@@ -107,48 +112,25 @@ class MatrixHandler:
             await intent.send_notice(room_id, "This puppet will remain inactive until a "
                                               "Telegram chat is created for this room.")
 
-    async def accept_bot_invite(self, room_id: MatrixRoomID, inviter: u.User) -> None:
-        tries = 0
-        while tries < 5:
-            try:
-                await self.az.intent.join_room(room_id)
-                break
-            except (IntentError, MatrixRequestError):
-                tries += 1
-                wait_for_seconds = (tries + 1) * 10
-                if tries < 5:
-                    self.log.exception(f"Failed to join room {room_id} with bridge bot, "
-                                       f"retrying in {wait_for_seconds} seconds...")
-                    await asyncio.sleep(wait_for_seconds)
-                else:
-                    self.log.exception("Failed to join room {room}, giving up.")
-                    return
-
-        if not inviter.whitelisted:
-            await self.az.intent.send_notice(
-                room_id, text="",
-                html="You are not whitelisted to use this bridge.<br/><br/>"
-                     "If you are the owner of this bridge, see the "
-                     "<code>bridge.permissions</code> section in your config file.")
-            await self.az.intent.leave_room(room_id)
-
-    async def handle_invite(self, room_id: MatrixRoomID, user_id: MatrixUserID,
-                            inviter_mxid: MatrixUserID) -> None:
-        self.log.debug(f"{inviter_mxid} invited {user_id} to {room_id}")
-        inviter = u.User.get_by_mxid(inviter_mxid)
-        if inviter is None:
-            self.log.exception("Failed to find user with Matrix ID {inviter_mxid}")
-        await inviter.ensure_started()
-        if user_id == self.az.bot_mxid:
-            return await self.accept_bot_invite(room_id, inviter)
-        elif not inviter.whitelisted:
-            return
-
-        puppet = pu.Puppet.get_by_mxid(user_id)
-        if puppet:
-            await self.handle_puppet_invite(room_id, puppet, inviter)
+    async def send_welcome_message(self, room_id: RoomID, inviter: 'u.User') -> None:
+        try:
+            is_management = len(await self.az.intent.get_room_members(room_id)) == 2
+        except MatrixError:
+            # The AS bot is not in the room.
             return
+        cmd_prefix = self.commands.command_prefix
+        text = html = "Hello, I'm a Telegram bridge bot. "
+        if is_management and inviter.puppet_whitelisted and not await inviter.is_logged_in():
+            text += f"Use `{cmd_prefix} help` for help or `{cmd_prefix} login` to log in."
+            html += (f"Use <code>{cmd_prefix} help</code> for help"
+                     f" or <code>{cmd_prefix} login</code> to log in.")
+        else:
+            text += f"Use `{cmd_prefix} help` for help."
+            html += f"Use <code>{cmd_prefix} help</code> for help."
+        await self.az.intent.send_notice(room_id, text=text, html=html)
 
+    async def handle_invite(self, room_id: RoomID, user_id: UserID, inviter: 'u.User',
+                            event_id: EventID) -> None:
         user = u.User.get_by_mxid(user_id, create=False)
         if not user:
             return
@@ -156,12 +138,8 @@ class MatrixHandler:
         portal = po.Portal.get_by_mxid(room_id)
         if user and await user.has_full_access(allow_bot=True) and portal:
             await portal.invite_telegram(inviter, user)
-            return
 
-        # The rest can probably be ignored
-
-    async def handle_join(self, room_id: MatrixRoomID, user_id: MatrixUserID,
-                          event_id: MatrixEventID) -> None:
+    async def handle_join(self, room_id: RoomID, user_id: UserID, event_id: EventID) -> None:
         user = await u.User.get_by_mxid(user_id).ensure_started()
 
         portal = po.Portal.get_by_mxid(room_id)
@@ -169,35 +147,58 @@ class MatrixHandler:
             return
 
         if not user.relaybot_whitelisted:
-            await portal.main_intent.kick(room_id, user.mxid,
-                                          "You are not whitelisted on this Telegram bridge.")
+            await portal.main_intent.kick_user(room_id, user.mxid,
+                                               "You are not whitelisted on this Telegram bridge.")
             return
         elif not await user.is_logged_in() and not portal.has_bot:
-            await portal.main_intent.kick(room_id, user.mxid,
-                                          "This chat does not have a bot relaying "
-                                          "messages for unauthenticated users.")
+            await portal.main_intent.kick_user(room_id, user.mxid,
+                                               "This chat does not have a bot relaying "
+                                               "messages for unauthenticated users.")
             return
 
         self.log.debug(f"{user} joined {room_id}")
         if await user.is_logged_in() or portal.has_bot:
             await portal.join_matrix(user, event_id)
 
-    async def handle_part(self, room_id: MatrixRoomID, user_id: MatrixUserID,
-                          sender_mxid: MatrixUserID, event_id: MatrixEventID) -> None:
+    async def get_leave_handle_info(self) -> Tuple[po.Portal, u.User]:
+        pass
+
+    async def handle_leave(self, room_id: RoomID, user_id: UserID, event_id: EventID) -> None:
         self.log.debug(f"{user_id} left {room_id}")
-
-        sender = u.User.get_by_mxid(sender_mxid, create=False)
-        if not sender:
-            return
-        await sender.ensure_started()
-
         portal = po.Portal.get_by_mxid(room_id)
         if not portal:
             return
 
+        user = u.User.get_by_mxid(user_id, create=False)
+        if not user:
+            return
+        await user.ensure_started()
+        await portal.leave_matrix(user, event_id)
+
+    async def handle_kick_ban(self, ban: bool, room_id: RoomID, user_id: UserID, sender: UserID,
+                              reason: str, event_id: EventID) -> None:
+        action = "banned" if ban else "kicked"
+        self.log.debug(f"{user_id} was {action} from {room_id} by {sender} for {reason}")
+        portal = po.Portal.get_by_mxid(room_id)
+        if not portal:
+            return
+
+        if user_id == self.az.bot_mxid:
+            # Direct chat portal unbridging is handled in portal.kick_matrix
+            if portal.peer_type != "user":
+                await portal.unbridge()
+            return
+
+        sender = u.User.get_by_mxid(sender, create=False)
+        if not sender:
+            return
+        await sender.ensure_started()
+
         puppet = pu.Puppet.get_by_mxid(user_id)
         if puppet:
-            if sender:
+            if ban:
+                await portal.ban_matrix(puppet, sender)
+            else:
                 await portal.kick_matrix(puppet, sender)
             return
 
@@ -205,90 +206,68 @@ class MatrixHandler:
         if not user:
             return
         await user.ensure_started()
-        if await user.is_logged_in() or portal.has_bot:
-            await portal.leave_matrix(user, sender, event_id)
+        if ban:
+            await portal.ban_matrix(user, sender)
+        else:
+            await portal.kick_matrix(user, sender)
 
-    def is_command(self, message: Dict) -> Tuple[bool, str]:
-        text = message.get("body", "")
-        prefix = self.config["bridge.command_prefix"]
-        is_command = text.startswith(prefix)
-        if is_command:
-            text = text[len(prefix) + 1:]
-        return is_command, text
+    async def handle_kick(self, room_id: RoomID, user_id: UserID, kicked_by: UserID, reason: str,
+                          event_id: EventID) -> None:
+        await self.handle_kick_ban(False, room_id, user_id, kicked_by, reason, event_id)
 
-    async def handle_message(self, room: MatrixRoomID, sender_id: MatrixUserID, message: Dict,
-                             event_id: MatrixEventID) -> None:
-        is_command, text = self.is_command(message)
-        sender = await u.User.get_by_mxid(sender_id).ensure_started()
-        if not sender.relaybot_whitelisted:
-            self.log.debug(f"Ignoring message \"{message}\" from {sender} to {room}:"
-                           " u.User is not whitelisted.")
-            return
-        self.log.debug(f"Received Matrix event \"{message}\" from {sender} in {room}")
-
-        portal = po.Portal.get_by_mxid(room)
-        if not is_command and portal and (await sender.is_logged_in() or portal.has_bot):
-            await portal.handle_matrix_message(sender, message, event_id)
-            return
-
-        if not sender.whitelisted or message.get("msgtype", "m.unknown") != "m.text":
-            return
-
-        try:
-            is_management = len(await self.az.intent.get_room_members(room)) == 2
-        except MatrixRequestError:
-            # The AS bot is not in the room.
-            return
-
-        if is_command or is_management:
-            try:
-                command, arguments = text.split(" ", 1)
-                args = arguments.split(" ")
-            except ValueError:
-                # Not enough values to unpack, i.e. no arguments
-                command = text
-                args = []
-            await self.commands.handle(room, sender, command, args, is_management,
-                                       is_portal=portal is not None)
+    async def handle_ban(self, room_id: RoomID, user_id: UserID, banned_by: UserID, reason: str,
+                         event_id: EventID) -> None:
+        await self.handle_kick_ban(True, room_id, user_id, banned_by, reason, event_id)
 
     @staticmethod
-    async def handle_redaction(room_id: MatrixRoomID, sender_mxid: MatrixUserID,
-                               event_id: MatrixEventID) -> None:
-        sender = await u.User.get_by_mxid(sender_mxid).ensure_started()
+    async def allow_message(user: 'u.User') -> bool:
+        return user.relaybot_whitelisted
+
+    @staticmethod
+    async def allow_command(user: 'u.User') -> bool:
+        return user.whitelisted
+
+    @staticmethod
+    async def allow_bridging_message(user: 'u.User', portal: 'po.Portal') -> bool:
+        return await user.is_logged_in() or portal.has_bot
+
+    @staticmethod
+    async def handle_redaction(evt: RedactionEvent) -> None:
+        sender = await u.User.get_by_mxid(evt.sender).ensure_started()
         if not sender.relaybot_whitelisted:
             return
 
-        portal = po.Portal.get_by_mxid(room_id)
+        portal = po.Portal.get_by_mxid(evt.room_id)
         if not portal:
             return
 
-        await portal.handle_matrix_deletion(sender, event_id)
+        await portal.handle_matrix_deletion(sender, evt.redacts)
 
     @staticmethod
-    async def handle_power_levels(room_id: MatrixRoomID, sender_mxid: MatrixUserID,
-                                  new: Dict, old: Dict) -> None:
+    async def handle_power_levels(evt: StateEvent) -> None:
+        portal = po.Portal.get_by_mxid(evt.room_id)
+        sender = await u.User.get_by_mxid(evt.sender).ensure_started()
+        if await sender.has_full_access(allow_bot=True) and portal:
+            await portal.handle_matrix_power_levels(sender, evt.content.users,
+                                                    evt.unsigned.prev_content.users)
+
+    @staticmethod
+    async def handle_room_meta(evt_type: EventType, room_id: RoomID, sender_mxid: UserID,
+                               content: RoomMetaStateEventContent) -> None:
         portal = po.Portal.get_by_mxid(room_id)
         sender = await u.User.get_by_mxid(sender_mxid).ensure_started()
         if await sender.has_full_access(allow_bot=True) and portal:
-            await portal.handle_matrix_power_levels(sender, new["users"], old["users"])
-
-    @staticmethod
-    async def handle_room_meta(evt_type: str, room_id: MatrixRoomID, sender_mxid: MatrixUserID,
-                               content: dict) -> None:
-        portal = po.Portal.get_by_mxid(room_id)
-        sender = await u.User.get_by_mxid(sender_mxid).ensure_started()
-        if await sender.has_full_access(allow_bot=True) and portal:
-            handler, content_key = {
-                "m.room.name": (portal.handle_matrix_title, "name"),
-                "m.room.topic": (portal.handle_matrix_about, "topic"),
-                "m.room.avatar": (portal.handle_matrix_avatar, "url"),
+            handler, content_type, content_key = {
+                EventType.ROOM_NAME: (portal.handle_matrix_title, RoomNameStateEventContent, "name"),
+                EventType.ROOM_TOPIC: (portal.handle_matrix_about, RoomTopicStateEventContent, "topic"),
+                EventType.ROOM_AVATAR: (portal.handle_matrix_avatar, RoomAvatarStateEventContent, "url"),
             }[evt_type]
-            if content_key not in content:
+            if not isinstance(content, content_type):
                 return
             await handler(sender, content[content_key])
 
     @staticmethod
-    async def handle_room_pin(room_id: MatrixRoomID, sender_mxid: MatrixUserID,
+    async def handle_room_pin(room_id: RoomID, sender_mxid: UserID,
                               new_events: Set[str], old_events: Set[str]) -> None:
         portal = po.Portal.get_by_mxid(room_id)
         sender = await u.User.get_by_mxid(sender_mxid).ensure_started()
@@ -296,56 +275,69 @@ class MatrixHandler:
             events = new_events - old_events
             if len(events) > 0:
                 # New event pinned, set that as pinned in Telegram.
-                await portal.handle_matrix_pin(sender, events.pop())
+                await portal.handle_matrix_pin(sender, EventID(events.pop()))
             elif len(new_events) == 0:
                 # All pinned events removed, remove pinned event in Telegram.
                 await portal.handle_matrix_pin(sender, None)
 
     @staticmethod
-    async def handle_name_change(room_id: MatrixRoomID, user_id: MatrixUserID, displayname: str,
-                                 prev_displayname: str, event_id: MatrixEventID) -> None:
+    async def handle_room_upgrade(room_id: RoomID, sender: UserID, new_room_id: RoomID) -> None:
+        portal = po.Portal.get_by_mxid(room_id)
+        if portal:
+            await portal.handle_matrix_upgrade(sender, new_room_id)
+
+    async def handle_member_info_change(self, room_id: RoomID, user_id: UserID,
+                                        profile: MemberStateEventContent,
+                                        prev_profile: MemberStateEventContent,
+                                        event_id: EventID) -> None:
+        if profile.displayname == prev_profile.displayname:
+            return
+
         portal = po.Portal.get_by_mxid(room_id)
         if not portal or not portal.has_bot:
             return
 
         user = await u.User.get_by_mxid(user_id).ensure_started()
         if await user.needs_relaybot(portal):
-            await portal.name_change_matrix(user, displayname, prev_displayname, event_id)
+            await portal.name_change_matrix(user, profile.displayname, prev_profile.displayname,
+                                            event_id)
 
     @staticmethod
-    def parse_read_receipts(content: Dict) -> Dict[MatrixUserID, MatrixEventID]:
-        return {user_id: event_id
+    def parse_read_receipts(content: ReceiptEventContent) -> Iterable[Tuple[UserID, EventID]]:
+        return ((user_id, event_id)
                 for event_id, receipts in content.items()
-                for user_id in receipts.get("m.read", {})}
+                for user_id in receipts.get(ReceiptType.READ, {}))
 
     @staticmethod
-    async def handle_read_receipts(room_id: MatrixRoomID,
-                                   receipts: Dict[MatrixUserID, MatrixEventID]) -> None:
+    async def handle_read_receipts(room_id: RoomID, receipts: Iterable[Tuple[UserID, EventID]]
+                                   ) -> None:
         portal = po.Portal.get_by_mxid(room_id)
         if not portal:
             return
 
-        for user_id, event_id in receipts.items():
+        for user_id, event_id in receipts:
             user = await u.User.get_by_mxid(user_id).ensure_started()
             if not await user.is_logged_in():
                 continue
             await portal.mark_read(user, event_id)
 
     @staticmethod
-    async def handle_presence(user_id: MatrixUserID, presence: str) -> None:
+    async def handle_presence(user_id: UserID, presence: PresenceState) -> None:
         user = await u.User.get_by_mxid(user_id).ensure_started()
         if not await user.is_logged_in():
             return
-        await user.set_presence(presence == "online")
+        await user.set_presence(presence == PresenceState.ONLINE)
 
-    async def handle_typing(self, room_id: MatrixRoomID, now_typing: List[MatrixUserID]) -> None:
+    async def handle_typing(self, room_id: RoomID, now_typing: Set[UserID]) -> None:
         portal = po.Portal.get_by_mxid(room_id)
         if not portal:
             return
 
-        for user_id in set(self.previously_typing + now_typing):
+        previously_typing = self.previously_typing.get(room_id, set())
+
+        for user_id in set(previously_typing | now_typing):
             is_typing = user_id in now_typing
-            was_typing = user_id in self.previously_typing
+            was_typing = user_id in previously_typing
             if is_typing and was_typing:
                 continue
 
@@ -355,70 +347,42 @@ class MatrixHandler:
 
             await portal.set_typing(user, is_typing)
 
-        self.previously_typing = now_typing
+        self.previously_typing[room_id] = now_typing
 
-    def filter_matrix_event(self, event: MatrixEvent) -> bool:
-        sender = event.get("sender", None)
-        if not sender:
-            return False
-        return (sender == self.az.bot_mxid
-                or pu.Puppet.get_id_from_mxid(sender) is not None)
+    def filter_matrix_event(self, evt: Event) -> bool:
+        if not isinstance(evt, (RedactionEvent, MessageEvent, StateEvent)):
+            return True
+        return evt.sender and (evt.sender == self.az.bot_mxid
+                               or pu.Puppet.get_id_from_mxid(evt.sender) is not None)
 
-    async def try_handle_event(self, evt: MatrixEvent) -> None:
-        try:
-            await self.handle_event(evt)
-        except Exception:
-            self.log.exception("Error handling manually received Matrix event")
+    async def handle_ephemeral_event(self, evt: Union[ReceiptEvent, PresenceEvent, TypingEvent]
+                                     ) -> None:
+        if evt.type == EventType.RECEIPT:
+            await self.handle_read_receipts(evt.room_id, self.parse_read_receipts(evt.content))
+        elif evt.type == EventType.PRESENCE:
+            await self.handle_presence(evt.sender, evt.content.presence)
+        elif evt.type == EventType.TYPING:
+            await self.handle_typing(evt.room_id, set(evt.content.user_ids))
 
-    async def handle_event(self, evt: MatrixEvent) -> None:
-        if self.filter_matrix_event(evt):
-            return
-        self.log.debug("Received event: %s", evt)
-        evt_type = evt.get("type", "m.unknown")  # type: str
-        room_id = evt.get("room_id", None)  # type: Optional[MatrixRoomID]
-        event_id = evt.get("event_id", None)  # type: Optional[MatrixEventID]
-        sender = evt.get("sender", None)  # type: Optional[MatrixUserID]
-        content = evt.get("content", {})  # type: Dict
-        if evt_type == "m.room.member":
-            state_key = evt["state_key"]  # type: MatrixUserID
-            prev_content = evt.get("unsigned", {}).get("prev_content", {})  # type: Dict
-            membership = content.get("membership", "")  # type: str
-            prev_membership = prev_content.get("membership", "leave")  # type: str
-            if membership == prev_membership:
-                match = re.compile("@(.+):(.+)").match(state_key)  # type: Match
-                mxid = match.group(0)  # type: str
-                displayname = content.get("displayname", None) or mxid  # type: str
-                prev_displayname = prev_content.get("displayname", None) or mxid  # type: str
-                if displayname != prev_displayname:
-                    await self.handle_name_change(room_id, state_key, displayname,
-                                                  prev_displayname, event_id)
-            elif membership == "invite":
-                await self.handle_invite(room_id, state_key, sender)
-            elif prev_membership == "join" and membership == "leave":
-                await self.handle_part(room_id, state_key, sender, event_id)
-            elif membership == "join":
-                await self.handle_join(room_id, state_key, event_id)
-        elif evt_type in ("m.room.message", "m.sticker"):
-            if evt_type != "m.room.message":
-                content["msgtype"] = evt_type
-            await self.handle_message(room_id, sender, content, event_id)
-        elif evt_type == "m.room.redaction":
-            await self.handle_redaction(room_id, sender, evt["redacts"])
-        elif evt_type == "m.room.power_levels":
-            prev_content = evt.get("unsigned", {}).get("prev_content", {})
-            await self.handle_power_levels(room_id, sender, evt["content"], prev_content)
-        elif evt_type in ("m.room.name", "m.room.avatar", "m.room.topic"):
-            await self.handle_room_meta(evt_type, room_id, sender, evt["content"])
-        elif evt_type == "m.room.pinned_events":
-            new_events = set(evt["content"]["pinned"])
+    async def handle_event(self, evt: Event) -> None:
+        if evt.type == EventType.ROOM_REDACTION:
+            await self.handle_redaction(evt)
+
+    async def handle_state_event(self, evt: StateEvent) -> None:
+        if evt.type == EventType.ROOM_POWER_LEVELS:
+            await self.handle_power_levels(evt)
+        elif evt.type in (EventType.ROOM_NAME, EventType.ROOM_AVATAR, EventType.ROOM_TOPIC):
+            await self.handle_room_meta(evt.type, evt.room_id, evt.sender, evt.content)
+        elif evt.type == EventType.ROOM_PINNED_EVENTS:
+            new_events = set(evt.content.pinned)
             try:
-                old_events = set(evt["unsigned"]["prev_content"]["pinned"])
-            except KeyError:
+                old_events = set(evt.unsigned.prev_content.pinned)
+            except (KeyError, ValueError, TypeError, AttributeError):
                 old_events = set()
-            await self.handle_room_pin(room_id, sender, new_events, old_events)
-        elif evt_type == "m.receipt":
-            await self.handle_read_receipts(room_id, self.parse_read_receipts(content))
-        elif evt_type == "m.presence":
-            await self.handle_presence(sender, content.get("presence", "offline"))
-        elif evt_type == "m.typing":
-            await self.handle_typing(room_id, content.get("user_ids", []))
+            await self.handle_room_pin(evt.room_id, evt.sender, new_events, old_events)
+        elif evt.type == EventType.ROOM_TOMBSTONE:
+            await self.handle_room_upgrade(evt.room_id, evt.sender, evt.content.replacement_room)
+
+    async def log_event_handle_duration(self, evt: Event, duration: float) -> None:
+        if EVENT_TIME:
+            EVENT_TIME.labels(event_type=str(evt.type)).observe(duration)

mautrix_telegram/portal/__init__.py

@@ -0,0 +1,21 @@
+from .base import BasePortal, init as init_base
+from .matrix import PortalMatrix, init as init_matrix
+from .metadata import PortalMetadata, init as init_metadata
+from .telegram import PortalTelegram, init as init_telegram
+from .deduplication import init as init_dedup
+from ..context import Context
+
+
+class Portal(PortalMatrix, PortalTelegram, PortalMetadata):
+    pass
+
+
+def init(context: Context) -> None:
+    init_base(context)
+    init_dedup(context)
+    init_metadata(context)
+    init_telegram(context)
+    init_matrix(context)
+
+
+__all__ = ["Portal", "init"]

mautrix_telegram/portal/__init__.pyi

@@ -0,0 +1,15 @@
+from typing import Union
+from .base import BasePortal
+from .portal_matrix import PortalMatrix
+from .portal_metadata import PortalMetadata
+from .portal_telegram import PortalTelegram
+from ..context import Context
+
+Portal = Union[BasePortal, PortalMatrix, PortalMetadata, PortalTelegram]
+
+
+def init(context: Context) -> None:
+	pass
+
+
+__all__ = ["Portal", "init"]

mautrix_telegram/portal/base.py

@@ -0,0 +1,502 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Awaitable, Dict, List, Optional, Tuple, Union, Any, TYPE_CHECKING
+from abc import ABC, abstractmethod
+import asyncio
+import logging
+import json
+
+from telethon.tl.functions.messages import ExportChatInviteRequest
+from telethon.tl.types import (Channel, ChannelFull, Chat, ChatFull, ChatInviteEmpty, InputChannel,
+                               InputPeerChannel, InputPeerChat, InputPeerUser, InputUser,
+                               PeerChannel, PeerChat, PeerUser, TypeChat, TypeInputPeer, TypePeer,
+                               TypeUser, TypeUserFull, User, UserFull, TypeInputChannel, Photo,
+                               Document, TypePhotoSize, PhotoSize, InputPhotoFileLocation,
+                               TypeChatParticipant, TypeChannelParticipant, PhotoEmpty, ChatPhoto,
+                               ChatPhotoEmpty)
+
+from mautrix.errors import MatrixRequestError, IntentError
+from mautrix.appservice import AppService, IntentAPI
+from mautrix.types import RoomID, RoomAlias, UserID, EventType, PowerLevelStateEventContent
+from mautrix.util.simple_template import SimpleTemplate
+
+from ..types import TelegramID
+from ..context import Context
+from ..db import Portal as DBPortal
+from .. import puppet as p, user as u, util
+from .deduplication import PortalDedup
+from .send_lock import PortalSendLock
+
+if TYPE_CHECKING:
+    from ..bot import Bot
+    from ..abstract_user import AbstractUser
+    from ..config import Config
+    from . import Portal
+
+TypeParticipant = Union[TypeChatParticipant, TypeChannelParticipant]
+TypeChatPhoto = Union[ChatPhoto, ChatPhotoEmpty, Photo, PhotoEmpty]
+InviteList = Union[UserID, List[UserID]]
+
+config: Optional['Config'] = None
+
+
+class BasePortal(ABC):
+    base_log: logging.Logger = logging.getLogger("mau.portal")
+    az: AppService = None
+    bot: 'Bot' = None
+    loop: asyncio.AbstractEventLoop = None
+
+    # Config cache
+    filter_mode: str = None
+    filter_list: List[str] = None
+
+    max_initial_member_sync: int = -1
+    sync_channel_members: bool = True
+    sync_matrix_state: bool = True
+    public_portals: bool = False
+
+    alias_template: SimpleTemplate[str]
+    hs_domain: str
+
+    # Instance cache
+    by_mxid: Dict[RoomID, 'Portal'] = {}
+    by_tgid: Dict[Tuple[TelegramID, TelegramID], 'Portal'] = {}
+
+    mxid: Optional[RoomID]
+    tgid: TelegramID
+    tg_receiver: TelegramID
+    peer_type: str
+    username: str
+    megagroup: bool
+    title: Optional[str]
+    about: Optional[str]
+    photo_id: Optional[str]
+    local_config: Dict[str, Any]
+    deleted: bool
+    log: logging.Logger
+
+    alias: Optional[RoomAlias]
+
+    dedup: PortalDedup
+    send_lock: PortalSendLock
+
+    _db_instance: DBPortal
+    _main_intent: Optional[IntentAPI]
+
+    def __init__(self, tgid: TelegramID, peer_type: str, tg_receiver: Optional[TelegramID] = None,
+                 mxid: Optional[RoomID] = None, username: Optional[str] = None,
+                 megagroup: Optional[bool] = False, title: Optional[str] = None,
+                 about: Optional[str] = None, photo_id: Optional[str] = None,
+                 local_config: Optional[str] = None, db_instance: DBPortal = None) -> None:
+        self.mxid = mxid
+        self.tgid = tgid
+        self.tg_receiver = tg_receiver or tgid
+        self.peer_type = peer_type
+        self.username = username
+        self.megagroup = megagroup
+        self.title = title
+        self.about = about
+        self.photo_id = photo_id
+        self.local_config = json.loads(local_config or "{}")
+        self._db_instance = db_instance
+        self._main_intent = None
+        self.deleted = False
+        self.log = self.base_log.getChild(self.tgid_log if self.tgid else self.mxid)
+
+        self.dedup = PortalDedup(self)
+        self.send_lock = PortalSendLock()
+
+        if tgid:
+            self.by_tgid[self.tgid_full] = self
+        if mxid:
+            self.by_mxid[mxid] = self
+
+    # region Propegrties
+
+    @property
+    def tgid_full(self) -> Tuple[TelegramID, TelegramID]:
+        return self.tgid, self.tg_receiver
+
+    @property
+    def tgid_log(self) -> str:
+        if self.tgid == self.tg_receiver:
+            return str(self.tgid)
+        return f"{self.tg_receiver}<->{self.tgid}"
+
+    @property
+    def alias(self) -> Optional[RoomAlias]:
+        if not self.username:
+            return None
+        return RoomAlias(f"#{self.alias_localpart}:{self.hs_domain}")
+
+    @property
+    def alias_localpart(self) -> Optional[str]:
+        if not self.username:
+            return None
+        return self.alias_template.format(self.username)
+
+    @property
+    def peer(self) -> Union[TypePeer, TypeInputPeer]:
+        if self.peer_type == "user":
+            return PeerUser(user_id=self.tgid)
+        elif self.peer_type == "chat":
+            return PeerChat(chat_id=self.tgid)
+        elif self.peer_type == "channel":
+            return PeerChannel(channel_id=self.tgid)
+
+    @property
+    def has_bot(self) -> bool:
+        return (bool(self.bot)
+                and (self.bot.is_in_chat(self.tgid)
+                     or (self.peer_type == "user" and self.tg_receiver == self.bot.tgid)))
+
+    @property
+    def main_intent(self) -> IntentAPI:
+        if not self._main_intent:
+            direct = self.peer_type == "user"
+            puppet = p.Puppet.get(self.tgid) if direct else None
+            self._main_intent = puppet.intent_for(self) if direct else self.az.intent
+        return self._main_intent
+
+    @property
+    def allow_bridging(self) -> bool:
+        if self.peer_type == "user":
+            return True
+        elif self.filter_mode == "whitelist":
+            return self.tgid in self.filter_list
+        elif self.filter_mode == "blacklist":
+            return self.tgid not in self.filter_list
+        return True
+
+    # endregion
+    # region Miscellaneous getters
+
+    def get_config(self, key: str) -> Any:
+        local = util.recursive_get(self.local_config, key)
+        if local is not None:
+            return local
+        return config[f"bridge.{key}"]
+
+    @staticmethod
+    def _get_largest_photo_size(photo: Union[Photo, Document]
+                                ) -> Tuple[Optional[InputPhotoFileLocation],
+                                           Optional[TypePhotoSize]]:
+        if not photo:
+            return None, None
+        if isinstance(photo, Document) and not photo.thumbs:
+            return None, None
+
+        largest = max(photo.thumbs if isinstance(photo, Document) else photo.sizes,
+                      key=(lambda photo2: (len(photo2.bytes)
+                                           if not isinstance(photo2, PhotoSize)
+                                           else photo2.size)))
+        return InputPhotoFileLocation(
+            id=photo.id,
+            access_hash=photo.access_hash,
+            file_reference=photo.file_reference,
+            thumb_size=largest.type,
+        ), largest
+
+    async def can_user_perform(self, user: 'u.User', event: str) -> bool:
+        if user.is_admin:
+            return True
+        if not self.mxid:
+            # No room for anybody to perform actions in
+            return False
+        try:
+            await self.main_intent.get_power_levels(self.mxid)
+        except MatrixRequestError:
+            return False
+        evt_type = EventType.find(f"net.maunium.telegram.{event}")
+        evt_type.t_class = EventType.Class.STATE
+        return self.main_intent.state_store.has_power_level(self.mxid, user.mxid, event=evt_type)
+
+    def get_input_entity(self, user: 'AbstractUser'
+                         ) -> Awaitable[Union[TypeInputPeer, TypeInputChannel]]:
+        return user.client.get_input_entity(self.peer)
+
+    async def get_entity(self, user: 'AbstractUser') -> TypeChat:
+        try:
+            return await user.client.get_entity(self.peer)
+        except ValueError:
+            if user.is_bot:
+                self.log.warning(f"Could not find entity with bot {user.tgid}. "
+                                 "Failing...")
+                raise
+            self.log.warning(f"Could not find entity with user {user.tgid}. "
+                             "falling back to get_dialogs.")
+            async for dialog in user.client.iter_dialogs():
+                if dialog.entity.id == self.tgid:
+                    return dialog.entity
+            raise
+
+    async def get_invite_link(self, user: 'u.User') -> str:
+        if self.peer_type == "user":
+            raise ValueError("You can't invite users to private chats.")
+        if self.username:
+            return f"https://t.me/{self.username}"
+        link = await user.client(ExportChatInviteRequest(peer=await self.get_input_entity(user)))
+        if isinstance(link, ChatInviteEmpty):
+            raise ValueError("Failed to get invite link.")
+        return link.link
+
+    # endregion
+    # region Matrix room cleanup
+
+    async def get_authenticated_matrix_users(self) -> List['u.User']:
+        try:
+            members = await self.main_intent.get_room_members(self.mxid)
+        except MatrixRequestError:
+            return []
+        authenticated: List[u.User] = []
+        has_bot = self.has_bot
+        for member_str in members:
+            member = UserID(member_str)
+            if p.Puppet.get_id_from_mxid(member) or member == self.main_intent.mxid:
+                continue
+            user = await u.User.get_by_mxid(member).ensure_started()
+            authenticated_through_bot = has_bot and user.relaybot_whitelisted
+            if authenticated_through_bot or await user.has_full_access(allow_bot=True):
+                authenticated.append(user)
+        return authenticated
+
+    async def cleanup_room(self, intent: IntentAPI, room_id: RoomID,
+                           message: str = "Portal deleted", puppets_only: bool = False) -> None:
+        try:
+            members = await intent.get_room_members(room_id)
+        except MatrixRequestError:
+            members = []
+        if self.username:
+            try:
+                await intent.remove_room_alias(self.alias_localpart)
+            except (MatrixRequestError, IntentError):
+                self.log.warning("Failed to remove alias when cleaning up room", exc_info=True)
+        for user in members:
+            puppet = p.Puppet.get_by_mxid(UserID(user), create=False)
+            if user != intent.mxid and (not puppets_only or puppet):
+                try:
+                    if puppet:
+                        await puppet.default_mxid_intent.leave_room(room_id)
+                    else:
+                        await intent.kick_user(room_id, user, message)
+                except (MatrixRequestError, IntentError):
+                    pass
+        try:
+            await intent.leave_room(room_id)
+        except (MatrixRequestError, IntentError):
+            self.log.warning("Failed to leave room when cleaning up room", exc_info=True)
+
+    async def unbridge(self) -> None:
+        await self.cleanup_room(self.main_intent, self.mxid, "Room unbridged", puppets_only=True)
+        self.delete()
+
+    async def cleanup_and_delete(self) -> None:
+        await self.cleanup_room(self.main_intent, self.mxid)
+        self.delete()
+
+    # endregion
+    # region Database conversion
+
+    @property
+    def db_instance(self) -> DBPortal:
+        if not self._db_instance:
+            self._db_instance = self.new_db_instance()
+        return self._db_instance
+
+    def new_db_instance(self) -> DBPortal:
+        return DBPortal(tgid=self.tgid, tg_receiver=self.tg_receiver, peer_type=self.peer_type,
+                        mxid=self.mxid, username=self.username, megagroup=self.megagroup,
+                        title=self.title, about=self.about, photo_id=self.photo_id,
+                        config=json.dumps(self.local_config))
+
+    def save(self) -> None:
+        self.db_instance.edit(mxid=self.mxid, username=self.username, title=self.title,
+                              about=self.about, photo_id=self.photo_id, megagroup=self.megagroup,
+                              config=json.dumps(self.local_config))
+
+    def delete(self) -> None:
+        try:
+            del self.by_tgid[self.tgid_full]
+        except KeyError:
+            pass
+        try:
+            del self.by_mxid[self.mxid]
+        except KeyError:
+            pass
+        if self._db_instance:
+            self._db_instance.delete()
+        self.deleted = True
+
+    @classmethod
+    def from_db(cls, db_portal: DBPortal) -> 'Portal':
+        return cls(tgid=db_portal.tgid, tg_receiver=db_portal.tg_receiver,
+                   peer_type=db_portal.peer_type, mxid=db_portal.mxid,
+                   username=db_portal.username, megagroup=db_portal.megagroup,
+                   title=db_portal.title, about=db_portal.about, photo_id=db_portal.photo_id,
+                   local_config=db_portal.config, db_instance=db_portal)
+
+    # endregion
+    # region Class instance lookup
+
+    @classmethod
+    def get_by_mxid(cls, mxid: RoomID) -> Optional['Portal']:
+        try:
+            return cls.by_mxid[mxid]
+        except KeyError:
+            pass
+
+        portal = DBPortal.get_by_mxid(mxid)
+        if portal:
+            return cls.from_db(portal)
+
+        return None
+
+    @classmethod
+    def get_username_from_mx_alias(cls, alias: str) -> Optional[str]:
+        return cls.alias_template.parse(alias)
+
+    @classmethod
+    def find_by_username(cls, username: str) -> Optional['Portal']:
+        if not username:
+            return None
+
+        username = username.lower()
+
+        for _, portal in cls.by_tgid.items():
+            if portal.username and portal.username.lower() == username:
+                return portal
+
+        dbportal = DBPortal.get_by_username(username)
+        if dbportal:
+            return cls.from_db(dbportal)
+
+        return None
+
+    @classmethod
+    def get_by_tgid(cls, tgid: TelegramID, tg_receiver: Optional[TelegramID] = None,
+                    peer_type: str = None) -> Optional['Portal']:
+        tg_receiver = tg_receiver or tgid
+        tgid_full = (tgid, tg_receiver)
+        try:
+            return cls.by_tgid[tgid_full]
+        except KeyError:
+            pass
+
+        db_portal = DBPortal.get_by_tgid(tgid, tg_receiver)
+        if db_portal:
+            return cls.from_db(db_portal)
+
+        if peer_type:
+            cls.log.info(f"Creating portal for {peer_type} {tgid} (receiver {tg_receiver})")
+            if peer_type == "chat":
+                import traceback
+                cls.log.info("Chat portal stack trace:\n" + "".join(traceback.format_stack()))
+            portal = cls(tgid, peer_type=peer_type, tg_receiver=tg_receiver)
+            portal.db_instance.insert()
+            return portal
+
+        return None
+
+    @classmethod
+    def get_by_entity(cls, entity: Union[TypeChat, TypePeer, TypeUser, TypeUserFull,
+                                         TypeInputPeer],
+                      receiver_id: Optional[TelegramID] = None, create: bool = True
+                      ) -> Optional['Portal']:
+        entity_type = type(entity)
+        if entity_type in (Chat, ChatFull):
+            type_name = "chat"
+            entity_id = entity.id
+        elif entity_type in (PeerChat, InputPeerChat):
+            type_name = "chat"
+            entity_id = entity.chat_id
+        elif entity_type in (Channel, ChannelFull):
+            type_name = "channel"
+            entity_id = entity.id
+        elif entity_type in (PeerChannel, InputPeerChannel, InputChannel):
+            type_name = "channel"
+            entity_id = entity.channel_id
+        elif entity_type in (User, UserFull):
+            type_name = "user"
+            entity_id = entity.id
+        elif entity_type in (PeerUser, InputPeerUser, InputUser):
+            type_name = "user"
+            entity_id = entity.user_id
+        else:
+            raise ValueError(f"Unknown entity type {entity_type.__name__}")
+        return cls.get_by_tgid(TelegramID(entity_id),
+                               receiver_id if type_name == "user" else entity_id,
+                               type_name if create else None)
+
+    # endregion
+    # region Abstract methods (cross-called in matrix/metadata/telegram classes)
+
+    @abstractmethod
+    async def update_matrix_room(self, user: 'AbstractUser', entity: Union[TypeChat, User],
+                                 direct: bool, puppet: p.Puppet = None,
+                                 levels: PowerLevelStateEventContent = None,
+                                 users: List[User] = None,
+                                 participants: List[TypeParticipant] = None) -> None:
+        pass
+
+    @abstractmethod
+    async def create_matrix_room(self, user: 'AbstractUser', entity: TypeChat = None,
+                                 invites: InviteList = None, update_if_exists: bool = True,
+                                 synchronous: bool = False) -> Optional[str]:
+        pass
+
+    @abstractmethod
+    async def _add_telegram_user(self, user_id: TelegramID, source: Optional['AbstractUser'] = None
+                                 ) -> None:
+        pass
+
+    @abstractmethod
+    async def _delete_telegram_user(self, user_id: TelegramID, sender: p.Puppet) -> None:
+        pass
+
+    @abstractmethod
+    async def _update_title(self, title: str, sender: Optional['p.Puppet'] = None,
+                            save: bool = False) -> bool:
+        pass
+
+    @abstractmethod
+    async def _update_avatar(self, user: 'AbstractUser', photo: Union[TypeChatPhoto],
+                             sender: Optional['p.Puppet'] = None, save: bool = False) -> bool:
+        pass
+
+    @abstractmethod
+    def _migrate_and_save_telegram(self, new_id: TelegramID) -> None:
+        pass
+
+    @abstractmethod
+    def handle_matrix_power_levels(self, sender: 'u.User', new_levels: Dict[UserID, int],
+                                   old_levels: Dict[UserID, int]) -> Awaitable[None]:
+        pass
+
+    # endregion
+
+
+def init(context: Context) -> None:
+    global config
+    BasePortal.az, config, BasePortal.loop, BasePortal.bot = context.core
+    BasePortal.max_initial_member_sync = config["bridge.max_initial_member_sync"]
+    BasePortal.sync_channel_members = config["bridge.sync_channel_members"]
+    BasePortal.sync_matrix_state = config["bridge.sync_matrix_state"]
+    BasePortal.public_portals = config["bridge.public_portals"]
+    BasePortal.filter_mode = config["bridge.filter.mode"]
+    BasePortal.filter_list = config["bridge.filter.list"]
+    BasePortal.hs_domain = config["homeserver.domain"]
+    BasePortal.alias_template = SimpleTemplate(config["bridge.alias_template"], "groupname",
+                                               prefix="#", suffix=f":{BasePortal.hs_domain}")

mautrix_telegram/portal/deduplication.py

@@ -0,0 +1,133 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, Deque, Dict, Tuple, TYPE_CHECKING
+from collections import deque
+import hashlib
+
+from telethon.tl.patched import Message, MessageService
+from telethon.tl.types import (MessageMediaContact, MessageMediaDocument, MessageMediaGeo,
+                               MessageMediaPhoto, TypeMessage, TypeUpdates, UpdateNewMessage,
+                               UpdateNewChannelMessage)
+
+from mautrix.types import EventID
+
+from ..context import Context
+from ..types import TelegramID
+
+if TYPE_CHECKING:
+    from .base import BasePortal
+
+DedupMXID = Tuple[EventID, TelegramID]
+
+
+class PortalDedup:
+    pre_db_check: bool = False
+    cache_queue_length: int = 20
+
+    _dedup: Deque[str]
+    _dedup_mxid: Dict[str, DedupMXID]
+    _dedup_action: Deque[str]
+    _portal: 'BasePortal'
+
+    def __init__(self, portal: 'BasePortal') -> None:
+        self._dedup = deque()
+        self._dedup_mxid = {}
+        self._dedup_action = deque()
+        self._portal = portal
+
+    @property
+    def _always_force_hash(self) -> bool:
+        return self._portal.peer_type != 'channel'
+
+    @staticmethod
+    def _hash_event(event: TypeMessage) -> str:
+        # Non-channel messages are unique per-user (wtf telegram), so we have no other choice than
+        # to deduplicate based on a hash of the message content.
+
+        # The timestamp is only accurate to the second, so we can't rely solely on that either.
+        if isinstance(event, MessageService):
+            hash_content = [event.date.timestamp(), event.from_id, event.action]
+        else:
+            hash_content = [event.date.timestamp(), event.message]
+            if event.fwd_from:
+                hash_content += [event.fwd_from.from_id, event.fwd_from.channel_id]
+            elif isinstance(event, Message) and event.media:
+                try:
+                    hash_content += {
+                        MessageMediaContact: lambda media: [media.user_id],
+                        MessageMediaDocument: lambda media: [media.document.id],
+                        MessageMediaPhoto: lambda media: [media.photo.id],
+                        MessageMediaGeo: lambda media: [media.geo.long, media.geo.lat],
+                    }[type(event.media)](event.media)
+                except KeyError:
+                    pass
+        return hashlib.md5("-"
+                           .join(str(a) for a in hash_content)
+                           .encode("utf-8")
+                           ).hexdigest()
+
+    def check_action(self, event: TypeMessage) -> bool:
+        evt_hash = self._hash_event(event) if self._always_force_hash else event.id
+        if evt_hash in self._dedup_action:
+            return True
+
+        self._dedup_action.append(evt_hash)
+
+        if len(self._dedup_action) > self.cache_queue_length:
+            self._dedup_action.popleft()
+        return False
+
+    def update(self, event: TypeMessage, mxid: DedupMXID = None,
+               expected_mxid: Optional[DedupMXID] = None, force_hash: bool = False
+               ) -> Optional[DedupMXID]:
+        evt_hash = self._hash_event(event) if self._always_force_hash or force_hash else event.id
+        try:
+            found_mxid = self._dedup_mxid[evt_hash]
+        except KeyError:
+            return EventID("None"), TelegramID(0)
+
+        if found_mxid != expected_mxid:
+            return found_mxid
+        self._dedup_mxid[evt_hash] = mxid
+        return None
+
+    def check(self, event: TypeMessage, mxid: DedupMXID = None, force_hash: bool = False
+              ) -> Optional[DedupMXID]:
+        evt_hash = (self._hash_event(event)
+                    if self._always_force_hash or force_hash
+                    else event.id)
+        if evt_hash in self._dedup:
+            return self._dedup_mxid[evt_hash]
+
+        self._dedup_mxid[evt_hash] = mxid
+        self._dedup.append(evt_hash)
+
+        if len(self._dedup) > self.cache_queue_length:
+            del self._dedup_mxid[self._dedup.popleft()]
+        return None
+
+    def register_outgoing_actions(self, response: TypeUpdates) -> None:
+        for update in response.updates:
+            check_dedup = (isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage))
+                           and isinstance(update.message, MessageService))
+            if check_dedup:
+                self.check(update.message)
+
+
+def init(context: Context) -> None:
+    cfg = context.config
+    PortalDedup.dedup_pre_db_check = cfg["bridge.deduplication.pre_db_check"]
+    PortalDedup.dedup_cache_queue_length = cfg["bridge.deduplication.cache_queue_length"]

mautrix_telegram/portal/matrix.py

@@ -0,0 +1,537 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Awaitable, Dict, List, Optional, Tuple, Union, Any, TYPE_CHECKING
+from html import escape as escape_html
+from string import Template
+from abc import ABC
+
+import magic
+
+from telethon.tl.functions.messages import (EditChatPhotoRequest, EditChatTitleRequest,
+                                            UpdatePinnedMessageRequest, SetTypingRequest,
+                                            EditChatAboutRequest)
+from telethon.tl.functions.channels import EditPhotoRequest, EditTitleRequest, JoinChannelRequest
+from telethon.errors import (ChatNotModifiedError, PhotoExtInvalidError,
+                             PhotoInvalidDimensionsError, PhotoSaveFileInvalidError)
+from telethon.tl.patched import Message, MessageService
+from telethon.tl.types import (
+    DocumentAttributeFilename, DocumentAttributeImageSize, GeoPoint,
+    InputChatUploadedPhoto, MessageActionChatEditPhoto, MessageMediaGeo,
+    SendMessageCancelAction, SendMessageTypingAction, TypeInputPeer, TypeMessageEntity,
+    UpdateNewMessage, InputMediaUploadedDocument, InputMediaUploadedPhoto)
+
+from mautrix.types import (EventID, RoomID, UserID, ContentURI, MessageType, MessageEventContent,
+                           TextMessageEventContent, MediaMessageEventContent, Format,
+                           LocationMessageEventContent)
+from mautrix.bridge import BasePortal as MautrixBasePortal
+
+from ..types import TelegramID
+from ..db import Message as DBMessage
+from ..util import sane_mimetypes, parallel_transfer_to_telegram
+from ..context import Context
+from .. import puppet as p, user as u, formatter, util
+from .base import BasePortal
+
+if TYPE_CHECKING:
+    from ..abstract_user import AbstractUser
+    from ..tgclient import MautrixTelegramClient
+    from ..config import Config
+
+TypeMessage = Union[Message, MessageService]
+
+config: Optional['Config'] = None
+
+
+class PortalMatrix(BasePortal, MautrixBasePortal, ABC):
+    async def _get_state_change_message(self, event: str, user: 'u.User', **kwargs: Any
+                                        ) -> Optional[str]:
+        tpl = self.get_config(f"state_event_formats.{event}")
+        if len(tpl) == 0:
+            # Empty format means they don't want the message
+            return None
+        displayname = await self.get_displayname(user)
+
+        tpl_args = {
+            "mxid": user.mxid,
+            "username": user.mxid_localpart,
+            "displayname": escape_html(displayname),
+            **kwargs,
+        }
+        return Template(tpl).safe_substitute(tpl_args)
+
+    async def _send_state_change_message(self, event: str, user: 'u.User', event_id: EventID,
+                                         **kwargs: Any) -> None:
+        if not self.has_bot:
+            return
+        elif self.peer_type == "user" and not config["bridge.relaybot.private_chat.state_changes"]:
+            return
+        async with self.send_lock(self.bot.tgid):
+            message = await self._get_state_change_message(event, user, **kwargs)
+            if not message:
+                return
+            response = await self.bot.client.send_message(
+                self.peer, message,
+                parse_mode=self._matrix_event_to_entities)
+            space = self.tgid if self.peer_type == "channel" else self.bot.tgid
+            self.dedup.check(response, (event_id, space))
+
+    async def name_change_matrix(self, user: 'u.User', displayname: str, prev_displayname: str,
+                                 event_id: EventID) -> None:
+        await self._send_state_change_message("name_change", user, event_id,
+                                              displayname=displayname,
+                                              prev_displayname=prev_displayname)
+
+    async def get_displayname(self, user: 'u.User') -> str:
+        return await self.main_intent.get_room_displayname(self.mxid, user.mxid) or user.mxid
+
+    def set_typing(self, user: 'u.User', typing: bool = True,
+                   action: type = SendMessageTypingAction) -> Awaitable[bool]:
+        return user.client(SetTypingRequest(
+            self.peer, action() if typing else SendMessageCancelAction()))
+
+    async def mark_read(self, user: 'u.User', event_id: EventID) -> None:
+        if user.is_bot:
+            return
+        space = self.tgid if self.peer_type == "channel" else user.tgid
+        message = DBMessage.get_by_mxid(event_id, self.mxid, space)
+        if not message:
+            return
+        await user.client.send_read_acknowledge(self.peer, max_id=message.tgid,
+                                                clear_mentions=True)
+
+    async def _preproc_kick_ban(self, user: Union['u.User', 'p.Puppet'], source: 'u.User'
+                                ) -> Optional['AbstractUser']:
+        if user.tgid == source.tgid:
+            return None
+        if self.peer_type == "user" and user.tgid == self.tgid:
+            self.delete()
+            return None
+        if isinstance(user, u.User) and await user.needs_relaybot(self):
+            if not self.bot:
+                return None
+            # TODO kick message
+            return None
+        if await source.needs_relaybot(self):
+            if not self.has_bot:
+                return None
+            return self.bot
+        return source
+
+    async def kick_matrix(self, user: Union['u.User', 'p.Puppet'], source: 'u.User') -> None:
+        source = await self._preproc_kick_ban(user, source)
+        if source is not None:
+            await source.client.kick_participant(self.peer, user.peer)
+
+    async def ban_matrix(self, user: Union['u.User', 'p.Puppet'], source: 'u.User'):
+        source = await self._preproc_kick_ban(user, source)
+        if source is not None:
+            await source.client.edit_permissions(self.peer, user.peer, view_messages=False)
+
+    async def leave_matrix(self, user: 'u.User', event_id: EventID) -> None:
+        if await user.needs_relaybot(self):
+            await self._send_state_change_message("leave", user, event_id)
+            return
+
+        if self.peer_type == "user":
+            await self.main_intent.leave_room(self.mxid)
+            self.delete()
+            try:
+                del self.by_tgid[self.tgid_full]
+                del self.by_mxid[self.mxid]
+            except KeyError:
+                pass
+        else:
+            await user.client.delete_dialog(self.peer)
+
+    async def join_matrix(self, user: 'u.User', event_id: EventID) -> None:
+        if await user.needs_relaybot(self):
+            await self._send_state_change_message("join", user, event_id)
+            return
+
+        if self.peer_type == "channel" and not user.is_bot:
+            await user.client(JoinChannelRequest(channel=await self.get_input_entity(user)))
+        else:
+            # We'll just assume the user is already in the chat.
+            pass
+
+    async def _apply_msg_format(self, sender: 'u.User', content: MessageEventContent
+                                ) -> None:
+        if not isinstance(content, TextMessageEventContent) or content.format != Format.HTML:
+            content.format = Format.HTML
+            content.formatted_body = escape_html(content.body).replace("\n", "<br/>")
+
+        tpl = (self.get_config(f"message_formats.[{content.msgtype.value}]")
+               or "<b>$sender_displayname</b>: $message")
+        displayname = await self.get_displayname(sender)
+        tpl_args = dict(sender_mxid=sender.mxid,
+                        sender_username=sender.mxid_localpart,
+                        sender_displayname=escape_html(displayname),
+                        message=content.formatted_body,
+                        body=content.body, formatted_body=content.formatted_body)
+        content.formatted_body = Template(tpl).safe_substitute(tpl_args)
+
+    async def _apply_emote_format(self, sender: 'u.User',
+                                  content: TextMessageEventContent) -> None:
+        if content.format != Format.HTML:
+            content.format = Format.HTML
+            content.formatted_body = escape_html(content.body).replace("\n", "<br/>")
+
+        tpl = self.get_config("emote_format")
+        puppet = p.Puppet.get(sender.tgid)
+        content.formatted_body = Template(tpl).safe_substitute(
+            dict(sender_mxid=sender.mxid,
+                 sender_username=sender.mxid_localpart,
+                 sender_displayname=escape_html(await self.get_displayname(sender)),
+                 mention=f"<a href='https://matrix.to/#/{puppet.mxid}'>{puppet.displayname}</a>",
+                 username=sender.username,
+                 displayname=puppet.displayname,
+                 body=content.body,
+                 formatted_body=content.formatted_body))
+        content.msgtype = MessageType.TEXT
+
+    async def _pre_process_matrix_message(self, sender: 'u.User', use_relaybot: bool,
+                                          content: MessageEventContent) -> None:
+        if use_relaybot:
+            await self._apply_msg_format(sender, content)
+        elif content.msgtype == MessageType.EMOTE:
+            await self._apply_emote_format(sender, content)
+
+    @staticmethod
+    def _matrix_event_to_entities(event: Union[str, MessageEventContent]
+                                  ) -> Tuple[str, Optional[List[TypeMessageEntity]]]:
+        try:
+            if isinstance(event, str):
+                message, entities = formatter.matrix_to_telegram(event)
+            elif isinstance(event, TextMessageEventContent) and event.format == Format.HTML:
+                message, entities = formatter.matrix_to_telegram(event.formatted_body)
+            else:
+                message, entities = formatter.matrix_text_to_telegram(event.body)
+        except KeyError:
+            message, entities = None, None
+        return message, entities
+
+    async def _handle_matrix_text(self, sender_id: TelegramID, event_id: EventID,
+                                  space: TelegramID, client: 'MautrixTelegramClient',
+                                  content: TextMessageEventContent, reply_to: TelegramID) -> None:
+        async with self.send_lock(sender_id):
+            lp = self.get_config("telegram_link_preview")
+            if content.get_edit():
+                orig_msg = DBMessage.get_by_mxid(content.get_edit(), self.mxid, space)
+                if orig_msg:
+                    response = await client.edit_message(self.peer, orig_msg.tgid, content,
+                                                         parse_mode=self._matrix_event_to_entities,
+                                                         link_preview=lp)
+                    self._add_telegram_message_to_db(event_id, space, -1, response)
+                    return
+            response = await client.send_message(self.peer, content, reply_to=reply_to,
+                                                 parse_mode=self._matrix_event_to_entities,
+                                                 link_preview=lp)
+            self._add_telegram_message_to_db(event_id, space, 0, response)
+
+    async def _handle_matrix_file(self, sender_id: TelegramID, event_id: EventID,
+                                  space: TelegramID, client: 'MautrixTelegramClient',
+                                  content: MediaMessageEventContent, reply_to: TelegramID,
+                                  caption: TextMessageEventContent = None) -> None:
+        mime = content.info.mimetype
+        w, h = content.info.width, content.info.height
+        file_name = content["net.maunium.telegram.internal.filename"]
+        max_image_size = config["bridge.image_as_file_size"] * 1000 ** 2
+
+        if config["bridge.parallel_file_transfer"]:
+            file_handle, file_size = await parallel_transfer_to_telegram(client, self.main_intent,
+                                                                         content.url, sender_id)
+        else:
+            file = await self.main_intent.download_media(content.url)
+
+            if content.msgtype == MessageType.STICKER:
+                if mime != "image/gif":
+                    mime, file, w, h = util.convert_image(file, source_mime=mime,
+                                                          target_type="webp")
+                else:
+                    # Remove sticker description
+                    file_name = "sticker.gif"
+
+            file_handle = await client.upload_file(file)
+            file_size = len(file)
+
+        file_handle.name = file_name
+
+        attributes = [DocumentAttributeFilename(file_name=file_name)]
+        if w and h:
+            attributes.append(DocumentAttributeImageSize(w, h))
+
+        if (mime == "image/png" or mime == "image/jpeg") and file_size < max_image_size:
+            media = InputMediaUploadedPhoto(file_handle)
+        else:
+            media = InputMediaUploadedDocument(file=file_handle, attributes=attributes,
+                                               mime_type=mime or "application/octet-stream")
+
+        caption, entities = self._matrix_event_to_entities(caption) if caption else (None, None)
+
+        async with self.send_lock(sender_id):
+            if await self._matrix_document_edit(client, content, space, caption, media, event_id):
+                return
+            try:
+                response = await client.send_media(self.peer, media, reply_to=reply_to,
+                                                   caption=caption, entities=entities)
+            except (PhotoInvalidDimensionsError, PhotoSaveFileInvalidError, PhotoExtInvalidError):
+                media = InputMediaUploadedDocument(file=media.file, mime_type=mime,
+                                                   attributes=attributes)
+                response = await client.send_media(self.peer, media, reply_to=reply_to,
+                                                   caption=caption, entities=entities)
+            self._add_telegram_message_to_db(event_id, space, 0, response)
+
+    async def _matrix_document_edit(self, client: 'MautrixTelegramClient',
+                                    content: MessageEventContent, space: TelegramID,
+                                    caption: str, media: Any, event_id: EventID) -> bool:
+        if content.get_edit():
+            orig_msg = DBMessage.get_by_mxid(content.get_edit(), self.mxid, space)
+            if orig_msg:
+                response = await client.edit_message(self.peer, orig_msg.tgid,
+                                                     caption, file=media)
+                self._add_telegram_message_to_db(event_id, space, -1, response)
+                return True
+        return False
+
+    async def _handle_matrix_location(self, sender_id: TelegramID, event_id: EventID,
+                                      space: TelegramID, client: 'MautrixTelegramClient',
+                                      content: LocationMessageEventContent, reply_to: TelegramID
+                                      ) -> None:
+        try:
+            lat, long = content.geo_uri[len("geo:"):].split(",")
+            lat, long = float(lat), float(long)
+        except (KeyError, ValueError):
+            self.log.exception("Failed to parse location")
+            return None
+        caption, entities = self._matrix_event_to_entities(content)
+        media = MessageMediaGeo(geo=GeoPoint(lat, long, access_hash=0))
+
+        async with self.send_lock(sender_id):
+            if await self._matrix_document_edit(client, content, space, caption, media, event_id):
+                return
+            response = await client.send_media(self.peer, media, reply_to=reply_to,
+                                               caption=caption, entities=entities)
+            self._add_telegram_message_to_db(event_id, space, 0, response)
+
+    def _add_telegram_message_to_db(self, event_id: EventID, space: TelegramID,
+                                    edit_index: int, response: TypeMessage) -> None:
+        self.log.debug("Handled Matrix message: %s", response)
+        self.dedup.check(response, (event_id, space), force_hash=edit_index != 0)
+        if edit_index < 0:
+            prev_edit = DBMessage.get_one_by_tgid(TelegramID(response.id), space, -1)
+            edit_index = prev_edit.edit_index + 1
+        DBMessage(
+            tgid=TelegramID(response.id),
+            tg_space=space,
+            mx_room=self.mxid,
+            mxid=event_id,
+            edit_index=edit_index).insert()
+
+    async def handle_matrix_message(self, sender: 'u.User', content: MessageEventContent,
+                                    event_id: EventID) -> None:
+        if not content.body or not content.msgtype:
+            self.log.debug(f"Ignoring message {event_id} in {self.mxid} without body or msgtype")
+            return
+
+        puppet = p.Puppet.get_by_custom_mxid(sender.mxid)
+        if puppet and content.get("net.maunium.telegram.puppet", False):
+            self.log.debug("Ignoring puppet-sent message by confirmed puppet user %s", sender.mxid)
+            return
+
+        logged_in = not await sender.needs_relaybot(self)
+        client = sender.client if logged_in else self.bot.client
+        sender_id = sender.tgid if logged_in else self.bot.tgid
+        space = (self.tgid if self.peer_type == "channel"  # Channels have their own ID space
+                 else (sender.tgid if logged_in else self.bot.tgid))
+        reply_to = formatter.matrix_reply_to_telegram(content, space, room_id=self.mxid)
+
+        media = (MessageType.STICKER, MessageType.IMAGE, MessageType.FILE, MessageType.AUDIO,
+                 MessageType.VIDEO)
+
+        if content.msgtype == MessageType.NOTICE:
+            bridge_notices = self.get_config("bridge_notices.default")
+            excepted = sender.mxid in self.get_config("bridge_notices.exceptions")
+            if not bridge_notices and not excepted:
+                return
+
+        if content.msgtype in (MessageType.TEXT, MessageType.NOTICE):
+            await self._pre_process_matrix_message(sender, not logged_in, content)
+            await self._handle_matrix_text(sender_id, event_id, space, client, content, reply_to)
+        elif content.msgtype == MessageType.LOCATION:
+            await self._pre_process_matrix_message(sender, not logged_in, content)
+            await self._handle_matrix_location(sender_id, event_id, space, client, content,
+                                               reply_to)
+        elif content.msgtype in media:
+            content["net.maunium.telegram.internal.filename"] = content.body
+            try:
+                caption_content: MessageEventContent = sender.command_status["caption"]
+                reply_to = reply_to or formatter.matrix_reply_to_telegram(caption_content, space,
+                                                                          room_id=self.mxid)
+                sender.command_status = None
+            except (KeyError, TypeError):
+                caption_content = None if logged_in else TextMessageEventContent(body=content.body)
+            if caption_content:
+                caption_content.msgtype = content.msgtype
+                await self._pre_process_matrix_message(sender, not logged_in, caption_content)
+            await self._handle_matrix_file(sender_id, event_id, space, client, content, reply_to,
+                                           caption_content)
+        else:
+            self.log.debug(f"Unhandled Matrix event: {content}")
+
+    async def handle_matrix_pin(self, sender: 'u.User',
+                                pinned_message: Optional[EventID]) -> None:
+        if self.peer_type != "chat" and self.peer_type != "channel":
+            return
+        try:
+            if not pinned_message:
+                await sender.client(UpdatePinnedMessageRequest(peer=self.peer, id=0))
+            else:
+                tg_space = self.tgid if self.peer_type == "channel" else sender.tgid
+                message = DBMessage.get_by_mxid(pinned_message, self.mxid, tg_space)
+                if message is None:
+                    self.log.warning(f"Could not find pinned {pinned_message} in {self.mxid}")
+                    return
+                await sender.client(UpdatePinnedMessageRequest(peer=self.peer, id=message.tgid))
+        except ChatNotModifiedError:
+            pass
+
+    async def handle_matrix_deletion(self, deleter: 'u.User', event_id: EventID) -> None:
+        real_deleter = deleter if not await deleter.needs_relaybot(self) else self.bot
+        space = self.tgid if self.peer_type == "channel" else real_deleter.tgid
+        message = DBMessage.get_by_mxid(event_id, self.mxid, space)
+        if not message:
+            return
+        if message.edit_index == 0:
+            await real_deleter.client.delete_messages(self.peer, [message.tgid])
+        else:
+            self.log.debug(f"Ignoring deletion of edit event {message.mxid} in {message.mx_room}")
+
+    async def _update_telegram_power_level(self, sender: 'u.User', user_id: TelegramID,
+                                           level: int) -> None:
+        moderator = level >= 50
+        admin = level >= 75
+        await sender.client.edit_admin(self.peer, user_id,
+                                       change_info=moderator, post_messages=moderator,
+                                       edit_messages=moderator, delete_messages=moderator,
+                                       ban_users=moderator, invite_users=moderator,
+                                       pin_messages=moderator, add_admins=admin)
+
+    async def handle_matrix_power_levels(self, sender: 'u.User', new_users: Dict[UserID, int],
+                                         old_users: Dict[UserID, int]) -> None:
+        # TODO handle all power level changes and bridge exact admin rights to supergroups/channels
+        for user, level in new_users.items():
+            if not user or user == self.main_intent.mxid or user == sender.mxid:
+                continue
+            user_id = p.Puppet.get_id_from_mxid(user)
+            if not user_id:
+                mx_user = u.User.get_by_mxid(user, create=False)
+                if not mx_user or not mx_user.tgid:
+                    continue
+                user_id = mx_user.tgid
+            if not user_id or user_id == sender.tgid:
+                continue
+            if user not in old_users or level != old_users[user]:
+                await self._update_telegram_power_level(sender, user_id, level)
+
+    async def handle_matrix_about(self, sender: 'u.User', about: str) -> None:
+        if self.peer_type not in ("chat", "channel"):
+            return
+        peer = await self.get_input_entity(sender)
+        await sender.client(EditChatAboutRequest(peer=peer, about=about))
+        self.about = about
+        self.save()
+
+    async def handle_matrix_title(self, sender: 'u.User', title: str) -> None:
+        if self.peer_type not in ("chat", "channel"):
+            return
+
+        if self.peer_type == "chat":
+            response = await sender.client(EditChatTitleRequest(chat_id=self.tgid, title=title))
+        else:
+            channel = await self.get_input_entity(sender)
+            response = await sender.client(EditTitleRequest(channel=channel, title=title))
+        self.dedup.register_outgoing_actions(response)
+        self.title = title
+        self.save()
+
+    async def handle_matrix_avatar(self, sender: 'u.User', url: ContentURI) -> None:
+        if self.peer_type not in ("chat", "channel"):
+            # Invalid peer type
+            return
+
+        file = await self.main_intent.download_media(url)
+        mime = magic.from_buffer(file, mime=True)
+        ext = sane_mimetypes.guess_extension(mime)
+        uploaded = await sender.client.upload_file(file, file_name=f"avatar{ext}")
+        photo = InputChatUploadedPhoto(file=uploaded)
+
+        if self.peer_type == "chat":
+            response = await sender.client(EditChatPhotoRequest(chat_id=self.tgid, photo=photo))
+        else:
+            channel = await self.get_input_entity(sender)
+            response = await sender.client(EditPhotoRequest(channel=channel, photo=photo))
+        self.dedup.register_outgoing_actions(response)
+        for update in response.updates:
+            is_photo_update = (isinstance(update, UpdateNewMessage)
+                               and isinstance(update.message, MessageService)
+                               and isinstance(update.message.action, MessageActionChatEditPhoto))
+            if is_photo_update:
+                loc, size = self._get_largest_photo_size(update.message.action.photo)
+                self.photo_id = f"{size.location.volume_id}-{size.location.local_id}"
+                self.save()
+                break
+
+    async def handle_matrix_upgrade(self, sender: UserID, new_room: RoomID) -> None:
+        _, server = self.main_intent.parse_user_id(sender)
+        old_room = self.mxid
+        self.migrate_and_save_matrix(new_room)
+        await self.main_intent.join_room(new_room, servers=[server])
+        entity: Optional[TypeInputPeer] = None
+        user: Optional[AbstractUser] = None
+        if self.bot and self.has_bot:
+            user = self.bot
+            entity = await self.get_input_entity(self.bot)
+        if not entity:
+            user_mxids = await self.main_intent.get_room_members(self.mxid)
+            for user_str in user_mxids:
+                user_id = UserID(user_str)
+                if user_id == self.az.bot_mxid:
+                    continue
+                user = u.User.get_by_mxid(user_id, create=False)
+                if user and user.tgid:
+                    entity = await self.get_input_entity(user)
+                    if entity:
+                        break
+        if not entity:
+            self.log.error("Failed to fully migrate to upgraded Matrix room: "
+                           "no Telegram user found.")
+            return
+        await self.update_matrix_room(user, entity, direct=self.peer_type == "user")
+        self.log.info(f"{sender} upgraded room from {old_room} to {self.mxid}")
+
+    def migrate_and_save_matrix(self, new_id: RoomID) -> None:
+        try:
+            del self.by_mxid[self.mxid]
+        except KeyError:
+            pass
+        self.mxid = new_id
+        self.db_instance.edit(mxid=self.mxid)
+        self.by_mxid[self.mxid] = self
+
+
+def init(context: Context) -> None:
+    global config
+    config = context.config

mautrix_telegram/portal/metadata.py

@@ -0,0 +1,708 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import List, Optional, Tuple, Union, Callable, TYPE_CHECKING
+from abc import ABC
+import asyncio
+
+from telethon.tl.functions.messages import (AddChatUserRequest, CreateChatRequest,
+                                            GetFullChatRequest, MigrateChatRequest)
+from telethon.tl.functions.channels import (CreateChannelRequest, GetParticipantsRequest,
+                                            InviteToChannelRequest, UpdateUsernameRequest)
+from telethon.errors import ChatAdminRequiredError
+from telethon.tl.types import (
+    Channel, ChatBannedRights, ChannelParticipantsRecent, ChannelParticipantsSearch, ChatPhoto,
+    PhotoEmpty, InputChannel, InputUser, ChatPhotoEmpty, PeerUser, Photo, TypeChat, TypeInputPeer,
+    TypeUser, User, InputPeerPhotoFileLocation, ChatParticipantAdmin, ChannelParticipantAdmin,
+    ChatParticipantCreator, ChannelParticipantCreator)
+
+from mautrix.errors import MForbidden
+from mautrix.types import (RoomID, UserID, RoomCreatePreset, EventType, Membership, Member,
+                           PowerLevelStateEventContent, RoomAlias)
+from mautrix.appservice import IntentAPI
+
+from ..types import TelegramID
+from ..context import Context
+from .. import puppet as p, user as u, util
+from .base import BasePortal, InviteList, TypeParticipant, TypeChatPhoto
+
+if TYPE_CHECKING:
+    from ..abstract_user import AbstractUser
+    from ..config import Config
+
+config: Optional['Config'] = None
+
+
+class PortalMetadata(BasePortal, ABC):
+    _room_create_lock: asyncio.Lock
+
+    def __init__(self, *args, **kwargs) -> None:
+        super().__init__(*args, **kwargs)
+        self._room_create_lock = asyncio.Lock()
+
+    # region Matrix -> Telegram
+
+    async def _get_telegram_users_in_matrix_room(self) -> List[Union[InputUser, PeerUser]]:
+        user_tgids = set()
+        user_mxids = await self.main_intent.get_room_members(self.mxid, (Membership.JOIN,
+                                                                         Membership.INVITE))
+        for user_str in user_mxids:
+            user = UserID(user_str)
+            if user == self.az.bot_mxid:
+                continue
+            mx_user = u.User.get_by_mxid(user, create=False)
+            if mx_user and mx_user.tgid:
+                user_tgids.add(mx_user.tgid)
+            puppet_id = p.Puppet.get_id_from_mxid(user)
+            if puppet_id:
+                user_tgids.add(puppet_id)
+        return [PeerUser(user_id) for user_id in user_tgids]
+
+    async def upgrade_telegram_chat(self, source: 'u.User') -> None:
+        if self.peer_type != "chat":
+            raise ValueError("Only normal group chats are upgradable to supergroups.")
+
+        response = await source.client(MigrateChatRequest(chat_id=self.tgid))
+        entity = None
+        for chat in response.chats:
+            if isinstance(chat, Channel):
+                entity = chat
+                break
+        if not entity:
+            raise ValueError("Upgrade may have failed: output channel not found.")
+        self.peer_type = "channel"
+        self._migrate_and_save_telegram(TelegramID(entity.id))
+        await self.update_info(source, entity)
+
+    def _migrate_and_save_telegram(self, new_id: TelegramID) -> None:
+        try:
+            del self.by_tgid[self.tgid_full]
+        except KeyError:
+            pass
+        try:
+            existing = self.by_tgid[(new_id, new_id)]
+            existing.delete()
+        except KeyError:
+            pass
+        self.db_instance.edit(tgid=new_id, tg_receiver=new_id, peer_type=self.peer_type)
+        old_id = self.tgid
+        self.tgid = new_id
+        self.tg_receiver = new_id
+        self.by_tgid[self.tgid_full] = self
+        self.log = self.base_log.getChild(self.tgid_log)
+        self.log.info(f"Telegram chat upgraded from {old_id}")
+
+    async def set_telegram_username(self, source: 'u.User', username: str) -> None:
+        if self.peer_type != "channel":
+            raise ValueError("Only channels and supergroups have usernames.")
+        await source.client(
+            UpdateUsernameRequest(await self.get_input_entity(source), username))
+        if await self._update_username(username):
+            self.save()
+
+    async def create_telegram_chat(self, source: 'u.User', supergroup: bool = False) -> None:
+        if not self.mxid:
+            raise ValueError("Can't create Telegram chat for portal without Matrix room.")
+        elif self.tgid:
+            raise ValueError("Can't create Telegram chat for portal with existing Telegram chat.")
+
+        invites = await self._get_telegram_users_in_matrix_room()
+        if len(invites) < 2:
+            if self.bot is not None:
+                info, mxid = await self.bot.get_me()
+                raise ValueError("Not enough Telegram users to create a chat. "
+                                 "Invite more Telegram ghost users to the room, such as the "
+                                 f"relaybot ([{info.first_name}](https://matrix.to/#/{mxid})).")
+            raise ValueError("Not enough Telegram users to create a chat. "
+                             "Invite more Telegram ghost users to the room.")
+        if self.peer_type == "chat":
+            response = await source.client(CreateChatRequest(title=self.title, users=invites))
+            entity = response.chats[0]
+        elif self.peer_type == "channel":
+            response = await source.client(CreateChannelRequest(title=self.title,
+                                                                about=self.about or "",
+                                                                megagroup=supergroup))
+            entity = response.chats[0]
+            await source.client(InviteToChannelRequest(
+                channel=await source.client.get_input_entity(entity),
+                users=invites))
+        else:
+            raise ValueError("Invalid peer type for Telegram chat creation")
+
+        self.tgid = entity.id
+        self.tg_receiver = self.tgid
+        self.by_tgid[self.tgid_full] = self
+        await self.update_info(source, entity)
+        self.db_instance.insert()
+        self.log = self.base_log.getChild(self.tgid_log)
+
+        if self.bot and self.bot.tgid in invites:
+            self.bot.add_chat(self.tgid, self.peer_type)
+
+        levels = await self.main_intent.get_power_levels(self.mxid)
+        if levels.get_user_level(self.main_intent.mxid) == 100:
+            levels = self._get_base_power_levels(levels, entity)
+            await self.main_intent.set_power_levels(self.mxid, levels)
+        await self.handle_matrix_power_levels(source, levels.users, {})
+
+    async def invite_telegram(self, source: 'u.User',
+                              puppet: Union[p.Puppet, 'AbstractUser']) -> None:
+        if self.peer_type == "chat":
+            await source.client(
+                AddChatUserRequest(chat_id=self.tgid, user_id=puppet.tgid, fwd_limit=0))
+        elif self.peer_type == "channel":
+            await source.client(InviteToChannelRequest(channel=self.peer, users=[puppet.tgid]))
+        # We don't care if there are invites for private chat portals with the relaybot.
+        elif not self.bot or self.tg_receiver != self.bot.tgid:
+            raise ValueError("Invalid peer type for Telegram user invite")
+
+    async def sync_matrix_members(self) -> None:
+        resp = await self.main_intent.get_room_joined_memberships(self.mxid)
+        members = resp["joined"]
+        for mxid, info in members.items():
+            member = Member(membership=Membership.JOIN)
+            if "display_name" in info:
+                member.displayname = info["display_name"]
+            if "avatar_url" in info:
+                member.avatar_url = info["avatar_url"]
+            self.az.state_store.set_member(self.mxid, mxid, member)
+
+    # endregion
+    # region Telegram -> Matrix
+
+    async def invite_to_matrix(self, users: InviteList) -> None:
+        if isinstance(users, list):
+            for user in users:
+                await self.main_intent.invite_user(self.mxid, user, check_cache=True)
+        else:
+            await self.main_intent.invite_user(self.mxid, users, check_cache=True)
+
+    async def update_matrix_room(self, user: 'AbstractUser', entity: Union[TypeChat, User],
+                                 direct: bool = None, puppet: p.Puppet = None,
+                                 levels: PowerLevelStateEventContent = None,
+                                 users: List[User] = None,
+                                 participants: List[TypeParticipant] = None) -> None:
+        if direct is None:
+            direct = self.peer_type == "user"
+        try:
+            await self._update_matrix_room(user, entity, direct, puppet, levels, users,
+                                           participants)
+        except Exception:
+            self.log.exception("Fatal error updating Matrix room")
+
+    async def _update_matrix_room(self, user: 'AbstractUser', entity: Union[TypeChat, User],
+                                  direct: bool, puppet: p.Puppet = None,
+                                  levels: PowerLevelStateEventContent = None,
+                                  users: List[User] = None,
+                                  participants: List[TypeParticipant] = None) -> None:
+        if not direct:
+            await self.update_info(user, entity)
+            if not users or not participants:
+                users, participants = await self._get_users(user, entity)
+            await self._sync_telegram_users(user, users)
+            await self.update_telegram_participants(participants, levels)
+        else:
+            if not puppet:
+                puppet = p.Puppet.get(self.tgid)
+            await puppet.update_info(user, entity)
+            await puppet.intent_for(self).join_room(self.mxid)
+        if self.sync_matrix_state:
+            await self.sync_matrix_members()
+
+    async def create_matrix_room(self, user: 'AbstractUser', entity: TypeChat = None,
+                                 invites: InviteList = None, update_if_exists: bool = True,
+                                 synchronous: bool = False) -> Optional[str]:
+        if self.mxid:
+            if update_if_exists:
+                if not entity:
+                    try:
+                        entity = await self.get_entity(user)
+                    except Exception:
+                        self.log.exception(f"Failed to get entity through {user.tgid} for update")
+                        return self.mxid
+                update = self.update_matrix_room(user, entity, self.peer_type == "user")
+                if synchronous:
+                    await update
+                else:
+                    asyncio.ensure_future(update, loop=self.loop)
+                await self.invite_to_matrix(invites or [])
+            return self.mxid
+        async with self._room_create_lock:
+            try:
+                return await self._create_matrix_room(user, entity, invites)
+            except Exception:
+                self.log.exception("Fatal error creating Matrix room")
+
+    async def _create_matrix_room(self, user: 'AbstractUser', entity: TypeChat, invites: InviteList
+                                  ) -> Optional[RoomID]:
+        direct = self.peer_type == "user"
+
+        if self.mxid:
+            return self.mxid
+
+        if not self.allow_bridging:
+            return None
+
+        if not entity:
+            entity = await self.get_entity(user)
+            self.log.debug(f"Fetched data: {entity}")
+
+        self.log.debug("Creating room")
+
+        try:
+            self.title = entity.title
+        except AttributeError:
+            self.title = None
+
+        if direct and self.tgid == user.tgid:
+            self.title = "Telegram Saved Messages"
+            self.about = "Your Telegram cloud storage chat"
+
+        puppet = p.Puppet.get(self.tgid) if direct else None
+        self._main_intent = puppet.intent_for(self) if direct else self.az.intent
+
+        if self.peer_type == "channel":
+            self.megagroup = entity.megagroup
+
+        if self.peer_type == "channel" and entity.username:
+            preset = RoomCreatePreset.PUBLIC
+            self.username = entity.username
+            alias = self.alias_localpart
+        else:
+            preset = RoomCreatePreset.PRIVATE
+            # TODO invite link alias?
+            alias = None
+
+        if alias:
+            # TODO? properly handle existing room aliases
+            await self.main_intent.remove_room_alias(alias)
+
+        power_levels = self._get_base_power_levels(entity=entity)
+        users = participants = None
+        if not direct:
+            users, participants = await self._get_users(user, entity)
+            if self.has_bot:
+                extra_invites = config["bridge.relaybot.group_chat_invite"]
+                invites += extra_invites
+                for invite in extra_invites:
+                    power_levels.users.setdefault(invite, 100)
+            self._participants_to_power_levels(participants, power_levels)
+        elif self.bot and self.tg_receiver == self.bot.tgid:
+            invites = config["bridge.relaybot.private_chat.invite"]
+            for invite in invites:
+                power_levels.users.setdefault(invite, 100)
+            self.title = puppet.displayname
+        initial_state = [{
+            "type": EventType.ROOM_POWER_LEVELS.serialize(),
+            "content": power_levels.serialize(),
+        }]
+        if config["appservice.community_id"]:
+            initial_state.append({
+                "type": "m.room.related_groups",
+                "content": {"groups": [config["appservice.community_id"]]},
+            })
+        creation_content = {}
+        if not config["bridge.federate_rooms"]:
+            creation_content["m.federate"] = False
+
+        room_id = await self.main_intent.create_room(alias_localpart=alias, preset=preset,
+                                                     is_direct=direct, invitees=invites or [],
+                                                     name=self.title, topic=self.about,
+                                                     initial_state=initial_state,
+                                                     creation_content=creation_content)
+        if not room_id:
+            raise Exception(f"Failed to create room")
+
+        self.mxid = RoomID(room_id)
+        self.by_mxid[self.mxid] = self
+        self.save()
+        self.az.state_store.set_power_levels(self.mxid, power_levels)
+        user.register_portal(self)
+        asyncio.ensure_future(self.update_matrix_room(user, entity, direct, puppet,
+                                                      levels=power_levels, users=users,
+                                                      participants=participants), loop=self.loop)
+
+        return self.mxid
+
+    def _get_base_power_levels(self, levels: PowerLevelStateEventContent = None,
+                               entity: TypeChat = None) -> PowerLevelStateEventContent:
+        levels = levels or PowerLevelStateEventContent()
+        if self.peer_type == "user":
+            overrides = config["bridge.initial_power_level_overrides.user"]
+            levels.ban = overrides.get("ban", 100)
+            levels.kick = overrides.get("kick", 100)
+            levels.invite = overrides.get("invite", 100)
+            levels.redact = overrides.get("redact", 0)
+            levels.events[EventType.ROOM_NAME] = 0
+            levels.events[EventType.ROOM_AVATAR] = 0
+            levels.events[EventType.ROOM_TOPIC] = 0
+            levels.state_default = overrides.get("state_default", 0)
+            levels.users_default = overrides.get("users_default", 0)
+            levels.events_default = overrides.get("events_default", 0)
+        else:
+            overrides = config["bridge.initial_power_level_overrides.group"]
+            dbr = entity.default_banned_rights
+            if not dbr:
+                self.log.debug(f"default_banned_rights is None in {entity}")
+                dbr = ChatBannedRights(invite_users=True, change_info=True, pin_messages=True,
+                                       send_stickers=False, send_messages=False, until_date=None)
+            levels.ban = overrides.get("ban", 50)
+            levels.kick = overrides.get("kick", 50)
+            levels.redact = overrides.get("redact", 50)
+            levels.invite = overrides.get("invite", 50 if dbr.invite_users else 0)
+            levels.events[EventType.ROOM_ENCRYPTED] = 99
+            levels.events[EventType.ROOM_TOMBSTONE] = 99
+            levels.events[EventType.ROOM_NAME] = 50 if dbr.change_info else 0
+            levels.events[EventType.ROOM_AVATAR] = 50 if dbr.change_info else 0
+            levels.events[EventType.ROOM_TOPIC] = 50 if dbr.change_info else 0
+            levels.events[EventType.ROOM_PINNED_EVENTS] = 50 if dbr.pin_messages else 0
+            levels.events[EventType.ROOM_POWER_LEVELS] = 75
+            levels.events[EventType.ROOM_HISTORY_VISIBILITY] = 75
+            levels.events[EventType.STICKER] = 50 if dbr.send_stickers else levels.events_default
+            levels.state_default = overrides.get("state_default", 50)
+            levels.users_default = overrides.get("users_default", 0)
+            levels.events_default = (
+                overrides.get("events_default",
+                              50 if (self.peer_type == "channel" and not entity.megagroup
+                                     or entity.default_banned_rights.send_messages)
+                              else 0))
+        for evt_type, value in overrides.get("events", {}).items():
+            levels.events[EventType.find(evt_type)] = value
+        levels.users = overrides.get("users", {})
+        if self.main_intent.mxid not in levels.users:
+            levels.users[self.main_intent.mxid] = 100
+        return levels
+
+    @staticmethod
+    def _get_level_from_participant(participant: TypeParticipant) -> int:
+        # TODO use the power level requirements to get better precision in channels
+        if isinstance(participant, (ChatParticipantAdmin, ChannelParticipantAdmin)):
+            return 50
+        elif isinstance(participant, (ChatParticipantCreator, ChannelParticipantCreator)):
+            return 95
+        return 0
+
+    @staticmethod
+    def _participant_to_power_levels(levels: PowerLevelStateEventContent,
+                                     user: Union['u.User', p.Puppet], new_level: int,
+                                     bot_level: int) -> bool:
+        new_level = min(new_level, bot_level)
+        user_level = levels.get_user_level(user.mxid)
+        if user_level != new_level and user_level < bot_level:
+            levels.users[user.mxid] = new_level
+            return True
+        return False
+
+    def _participants_to_power_levels(self, participants: List[TypeParticipant],
+                                      levels: PowerLevelStateEventContent) -> bool:
+        bot_level = levels.get_user_level(self.main_intent.mxid)
+        if bot_level < levels.get_event_level(EventType.ROOM_POWER_LEVELS):
+            return False
+        changed = False
+        admin_power_level = min(75 if self.peer_type == "channel" else 50, bot_level)
+        if levels.events[EventType.ROOM_POWER_LEVELS] != admin_power_level:
+            changed = True
+            levels.events[EventType.ROOM_POWER_LEVELS] = admin_power_level
+
+        for participant in participants:
+            puppet = p.Puppet.get(TelegramID(participant.user_id))
+            user = u.User.get_by_tgid(TelegramID(participant.user_id))
+            new_level = self._get_level_from_participant(participant)
+
+            if user:
+                user.register_portal(self)
+                changed = self._participant_to_power_levels(levels, user, new_level,
+                                                            bot_level) or changed
+
+            if puppet:
+                changed = self._participant_to_power_levels(levels, puppet, new_level,
+                                                            bot_level) or changed
+        return changed
+
+    async def update_telegram_participants(self, participants: List[TypeParticipant],
+                                           levels: PowerLevelStateEventContent = None) -> None:
+        if not levels:
+            levels = await self.main_intent.get_power_levels(self.mxid)
+        if self._participants_to_power_levels(participants, levels):
+            await self.main_intent.set_power_levels(self.mxid, levels)
+
+    def _add_bot_chat(self, bot: User) -> None:
+        if self.bot and bot.id == self.bot.tgid:
+            self.bot.add_chat(self.tgid, self.peer_type)
+            return
+
+        user = u.User.get_by_tgid(TelegramID(bot.id))
+        if user and user.is_bot:
+            user.register_portal(self)
+
+    async def _sync_telegram_users(self, source: 'AbstractUser', users: List[User]) -> None:
+        allowed_tgids = set()
+        skip_deleted = config["bridge.skip_deleted_members"]
+        for entity in users:
+            if skip_deleted and entity.deleted:
+                continue
+            puppet = p.Puppet.get(TelegramID(entity.id))
+            if entity.bot:
+                self._add_bot_chat(entity)
+            allowed_tgids.add(entity.id)
+            await puppet.intent_for(self).ensure_joined(self.mxid)
+            await puppet.update_info(source, entity)
+
+            user = u.User.get_by_tgid(TelegramID(entity.id))
+            if user:
+                await self.invite_to_matrix(user.mxid)
+
+        # We can't trust the member list if any of the following cases is true:
+        #  * There are close to 10 000 users, because Telegram might not be sending all members.
+        #  * The member sync count is limited, because then we might ignore some members.
+        #  * It's a channel, because non-admins don't have access to the member list.
+        trust_member_list = (len(allowed_tgids) < 9900
+                             and self.max_initial_member_sync == -1
+                             and (self.megagroup or self.peer_type != "channel"))
+        if trust_member_list:
+            joined_mxids = await self.main_intent.get_room_members(self.mxid)
+            for user_mxid in joined_mxids:
+                if user_mxid == self.az.bot_mxid:
+                    continue
+                puppet_id = p.Puppet.get_id_from_mxid(user_mxid)
+                if puppet_id and puppet_id not in allowed_tgids:
+                    if self.bot and puppet_id == self.bot.tgid:
+                        self.bot.remove_chat(self.tgid)
+                    try:
+                        await self.main_intent.kick_user(self.mxid, user_mxid,
+                                                         "User had left this Telegram chat.")
+                    except MForbidden:
+                        pass
+                    continue
+                mx_user = u.User.get_by_mxid(user_mxid, create=False)
+                if mx_user and mx_user.is_bot and mx_user.tgid not in allowed_tgids:
+                    mx_user.unregister_portal(self)
+
+                if mx_user and not self.has_bot and mx_user.tgid not in allowed_tgids:
+                    try:
+                        await self.main_intent.kick_user(self.mxid, mx_user.mxid,
+                                                         "You had left this Telegram chat.")
+                    except MForbidden:
+                        pass
+                    continue
+
+    async def _add_telegram_user(self, user_id: TelegramID, source: Optional['AbstractUser'] = None
+                                 ) -> None:
+        puppet = p.Puppet.get(user_id)
+        if source:
+            entity: User = await source.client.get_entity(PeerUser(user_id))
+            await puppet.update_info(source, entity)
+            await puppet.intent_for(self).ensure_joined(self.mxid)
+
+        user = u.User.get_by_tgid(user_id)
+        if user:
+            user.register_portal(self)
+            await self.invite_to_matrix(user.mxid)
+
+    async def _delete_telegram_user(self, user_id: TelegramID, sender: p.Puppet) -> None:
+        puppet = p.Puppet.get(user_id)
+        user = u.User.get_by_tgid(user_id)
+        kick_message = (f"Kicked by {sender.displayname}"
+                        if sender and sender.tgid != puppet.tgid
+                        else "Left Telegram chat")
+        if sender.tgid != puppet.tgid:
+            try:
+                await sender.intent_for(self).kick_user(self.mxid, puppet.mxid)
+            except MForbidden:
+                await self.main_intent.kick_user(self.mxid, puppet.mxid, kick_message)
+        else:
+            await puppet.intent_for(self).leave_room(self.mxid)
+        if user:
+            user.unregister_portal(self)
+            if sender.tgid != puppet.tgid:
+                try:
+                    await sender.intent_for(self).kick_user(self.mxid, puppet.mxid)
+                    return
+                except MForbidden:
+                    pass
+            try:
+                await self.main_intent.kick_user(self.mxid, user.mxid, kick_message)
+            except MForbidden as e:
+                self.log.warning(f"Failed to kick {user.mxid}: {e}")
+
+    async def update_info(self, user: 'AbstractUser', entity: TypeChat = None) -> None:
+        if self.peer_type == "user":
+            self.log.warning("Called update_info() for direct chat portal")
+            return
+
+        self.log.debug("Updating info")
+        try:
+            if not entity:
+                entity = await self.get_entity(user)
+                self.log.debug(f"Fetched data: {entity}")
+            changed = False
+
+            if self.peer_type == "channel":
+                changed = self.megagroup != entity.megagroup or changed
+                self.megagroup = entity.megagroup
+                changed = await self._update_username(entity.username) or changed
+
+            if hasattr(entity, "about"):
+                changed = self._update_about(entity.about) or changed
+
+            changed = await self._update_title(entity.title) or changed
+
+            if isinstance(entity.photo, ChatPhoto):
+                changed = await self._update_avatar(user, entity.photo) or changed
+        except Exception:
+            self.log.exception(f"Failed to update info from source {user.tgid}")
+
+        if changed:
+            self.save()
+
+    async def _update_username(self, username: str, save: bool = False) -> bool:
+        if self.username == username:
+            return False
+
+        if self.username:
+            await self.main_intent.remove_room_alias(self.alias_localpart)
+        self.username = username or None
+        if self.username:
+            await self.main_intent.add_room_alias(self.mxid, self.alias_localpart, override=True)
+            if self.public_portals:
+                await self.main_intent.set_join_rule(self.mxid, "public")
+        else:
+            await self.main_intent.set_join_rule(self.mxid, "invite")
+
+        if save:
+            self.save()
+        return True
+
+    async def _try_use_intent(self, sender: Optional['p.Puppet'],
+                              action: Callable[[IntentAPI], None]) -> None:
+        if sender:
+            try:
+                await action(sender.intent_for(self))
+            except MForbidden:
+                await action(self.main_intent)
+        else:
+            await action(self.main_intent)
+
+    async def _update_about(self, about: str, sender: Optional['p.Puppet'] = None,
+                            save: bool = False) -> bool:
+        if self.about == about:
+            return False
+
+        self.about = about
+        await self._try_use_intent(sender,
+                                   lambda intent: intent.set_room_topic(self.mxid, self.about))
+        if save:
+            self.save()
+        return True
+
+    async def _update_title(self, title: str, sender: Optional['p.Puppet'] = None,
+                            save: bool = False) -> bool:
+        if self.title == title:
+            return False
+
+        self.title = title
+        await self._try_use_intent(sender,
+                                   lambda intent: intent.set_room_name(self.mxid, self.title))
+        if save:
+            self.save()
+        return True
+
+    async def _update_avatar(self, user: 'AbstractUser', photo: TypeChatPhoto,
+                             sender: Optional['p.Puppet'] = None, save: bool = False) -> bool:
+        if isinstance(photo, ChatPhoto):
+            loc = InputPeerPhotoFileLocation(
+                peer=await self.get_input_entity(user),
+                local_id=photo.photo_big.local_id,
+                volume_id=photo.photo_big.volume_id,
+                big=True
+            )
+            photo_id = f"{loc.volume_id}-{loc.local_id}"
+        elif isinstance(photo, Photo):
+            loc, largest = self._get_largest_photo_size(photo)
+            photo_id = f"{largest.location.volume_id}-{largest.location.local_id}"
+        elif isinstance(photo, (ChatPhotoEmpty, PhotoEmpty)):
+            photo_id = ""
+            loc = None
+        else:
+            raise ValueError(f"Unknown photo type {type(photo)}")
+        if self.photo_id != photo_id:
+            if not photo_id:
+                await self._try_use_intent(sender,
+                                           lambda intent: intent.set_room_avatar(self.mxid, None))
+                self.photo_id = ""
+                if save:
+                    self.save()
+                return True
+            file = await util.transfer_file_to_matrix(user.client, self.main_intent, loc)
+            if file:
+                await self._try_use_intent(sender, lambda intent: intent.set_room_avatar(self.mxid,
+                                                                                         file.mxc))
+                self.photo_id = photo_id
+                if save:
+                    self.save()
+                return True
+        return False
+
+    async def _get_users(self, user: 'AbstractUser',
+                         entity: Union[TypeInputPeer, InputUser, TypeChat, TypeUser, InputChannel]
+                         ) -> Tuple[List[TypeUser], List[TypeParticipant]]:
+        # TODO replace with client.get_participants
+        if self.peer_type == "chat":
+            chat = await user.client(GetFullChatRequest(chat_id=self.tgid))
+            return chat.users, chat.full_chat.participants.participants
+        elif self.peer_type == "channel":
+            if not self.megagroup and not self.sync_channel_members:
+                return [], []
+
+            limit = self.max_initial_member_sync
+            if limit == 0:
+                return [], []
+
+            try:
+                if 0 < limit <= 200:
+                    response = await user.client(GetParticipantsRequest(
+                        entity, ChannelParticipantsRecent(), offset=0, limit=limit, hash=0))
+                    return response.users, response.participants
+                elif limit > 200 or limit == -1:
+                    users: List[TypeUser] = []
+                    participants: List[TypeParticipant] = []
+                    offset = 0
+                    remaining_quota = limit if limit > 0 else 1000000
+                    query = (ChannelParticipantsSearch("") if limit == -1
+                             else ChannelParticipantsRecent())
+                    while True:
+                        if remaining_quota <= 0:
+                            break
+                        response = await user.client(GetParticipantsRequest(
+                            entity, query, offset=offset, limit=min(remaining_quota, 100), hash=0))
+                        if not response.users:
+                            break
+                        participants += response.participants
+                        users += response.users
+                        offset += len(response.participants)
+                        remaining_quota -= len(response.participants)
+                    return users, participants
+            except ChatAdminRequiredError:
+                return [], []
+        elif self.peer_type == "user":
+            return [entity], []
+        return [], []
+
+    # endregion
+
+
+def init(context: Context) -> None:
+    global config
+    config = context.config

mautrix_telegram/portal/send_lock.py

@@ -0,0 +1,44 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Dict
+from asyncio import Lock
+
+from ..types import TelegramID
+
+
+class FakeLock:
+    async def __aenter__(self) -> None:
+        pass
+
+    async def __aexit__(self, exc_type, exc, tb) -> None:
+        pass
+
+
+class PortalSendLock:
+    _send_locks: Dict[int, Lock]
+    _noop_lock: Lock = FakeLock()
+
+    def __init__(self) -> None:
+        self._send_locks = {}
+
+    def __call__(self, user_id: TelegramID, required: bool = True) -> Lock:
+        if user_id is None and required:
+            raise ValueError("Required send lock for none id")
+        try:
+            return self._send_locks[user_id]
+        except KeyError:
+            return (self._send_locks.setdefault(user_id, Lock())
+                    if required else self._noop_lock)

mautrix_telegram/portal/telegram.py

@@ -0,0 +1,523 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Awaitable, Dict, List, Optional, Tuple, Union, NamedTuple, TYPE_CHECKING
+from html import escape as escape_html
+from abc import ABC
+import random
+import mimetypes
+import codecs
+import unicodedata
+import base64
+
+from sqlalchemy.exc import IntegrityError
+
+from telethon.tl.patched import Message, MessageService
+from telethon.tl.types import (
+    Poll, DocumentAttributeFilename, DocumentAttributeSticker, DocumentAttributeVideo,
+    MessageMediaPoll, MessageActionChannelCreate, MessageActionChatAddUser,
+    MessageActionChatCreate, MessageActionChatDeletePhoto, MessageActionChatDeleteUser,
+    MessageActionChatEditPhoto, MessageActionChatEditTitle, MessageActionChatJoinedByLink,
+    MessageActionChatMigrateTo, MessageActionPinMessage, MessageActionGameScore,
+    MessageMediaDocument, MessageMediaGeo, MessageMediaPhoto, MessageMediaUnsupported,
+    MessageMediaGame, PeerUser, PhotoCachedSize, TypeChannelParticipant, TypeChatParticipant,
+    TypeDocumentAttribute, TypeMessageAction, TypePhotoSize, PhotoSize, UpdateChatUserTyping,
+    UpdateUserTyping, MessageEntityPre, ChatPhotoEmpty)
+
+from mautrix.appservice import IntentAPI
+from mautrix.types import (EventID, UserID, ImageInfo, ThumbnailInfo, RelatesTo, MessageType,
+                           EventType, MediaMessageEventContent, TextMessageEventContent,
+                           LocationMessageEventContent, Format)
+
+from ..types import TelegramID
+from ..db import Message as DBMessage, TelegramFile as DBTelegramFile
+from ..util import sane_mimetypes
+from ..context import Context
+from .. import puppet as p, user as u, formatter, util
+from .base import BasePortal
+
+if TYPE_CHECKING:
+    from ..abstract_user import AbstractUser
+    from ..config import Config
+
+InviteList = Union[UserID, List[UserID]]
+TypeParticipant = Union[TypeChatParticipant, TypeChannelParticipant]
+DocAttrs = NamedTuple("DocAttrs", name=Optional[str], mime_type=Optional[str], is_sticker=bool,
+                      sticker_alt=Optional[str], width=int, height=int)
+
+config: Optional['Config'] = None
+
+
+class PortalTelegram(BasePortal, ABC):
+    async def handle_telegram_typing(self, user: p.Puppet,
+                                     _: Union[UpdateUserTyping, UpdateChatUserTyping]) -> None:
+        await user.intent_for(self).set_typing(self.mxid, is_typing=True)
+
+    def _get_external_url(self, evt: Message) -> Optional[str]:
+        if self.peer_type == "channel" and self.username is not None:
+            return f"https://t.me/{self.username}/{evt.id}"
+        elif self.peer_type != "user":
+            return f"https://t.me/c/{self.tgid}/{evt.id}"
+        return None
+
+    async def handle_telegram_photo(self, source: 'AbstractUser', intent: IntentAPI, evt: Message,
+                                    relates_to: Dict = None) -> Optional[EventID]:
+        loc, largest_size = self._get_largest_photo_size(evt.media.photo)
+        file = await util.transfer_file_to_matrix(source.client, intent, loc)
+        if not file:
+            return None
+        if self.get_config("inline_images") and (evt.message
+                                                 or evt.fwd_from or evt.reply_to_msg_id):
+            content = await formatter.telegram_to_matrix(
+                evt, source, self.main_intent,
+                prefix_html=f"<img src='{file.mxc}' alt='Inline Telegram photo'/><br/>",
+                prefix_text="Inline image: ")
+            content.external_url = self._get_external_url(evt)
+            await intent.set_typing(self.mxid, is_typing=False)
+            return await intent.send_message(self.mxid, content, timestamp=evt.date)
+        info = ImageInfo(
+            height=largest_size.h, width=largest_size.w, orientation=0, mimetype=file.mime_type,
+            size=(len(largest_size.bytes) if (isinstance(largest_size, PhotoCachedSize))
+                  else largest_size.size))
+        name = f"image{sane_mimetypes.guess_extension(file.mime_type)}"
+        await intent.set_typing(self.mxid, is_typing=False)
+        content = MediaMessageEventContent(url=file.mxc, msgtype=MessageType.IMAGE, info=info,
+                                           body=name, relates_to=relates_to,
+                                           external_url=self._get_external_url(evt))
+        result = await intent.send_message(self.mxid, content, timestamp=evt.date)
+        if evt.message:
+            caption_content = await formatter.telegram_to_matrix(evt, source, self.main_intent,
+                                                                 no_reply_fallback=True)
+            caption_content.external_url = content.external_url
+            result = await intent.send_message(self.mxid, caption_content, timestamp=evt.date)
+        return result
+
+    @staticmethod
+    def _parse_telegram_document_attributes(attributes: List[TypeDocumentAttribute]) -> DocAttrs:
+        name, mime_type, is_sticker, sticker_alt, width, height = None, None, False, None, 0, 0
+        for attr in attributes:
+            if isinstance(attr, DocumentAttributeFilename):
+                name = name or attr.file_name
+                mime_type, _ = mimetypes.guess_type(attr.file_name)
+            elif isinstance(attr, DocumentAttributeSticker):
+                is_sticker = True
+                sticker_alt = attr.alt
+            elif isinstance(attr, DocumentAttributeVideo):
+                width, height = attr.w, attr.h
+        return DocAttrs(name, mime_type, is_sticker, sticker_alt, width, height)
+
+    @staticmethod
+    def _parse_telegram_document_meta(evt: Message, file: DBTelegramFile, attrs: DocAttrs,
+                                      thumb_size: TypePhotoSize) -> Tuple[ImageInfo, str]:
+        document = evt.media.document
+        name = evt.message or attrs.name
+        if attrs.is_sticker:
+            alt = attrs.sticker_alt
+            if len(alt) > 0:
+                try:
+                    name = f"{alt} ({unicodedata.name(alt[0]).lower()})"
+                except ValueError:
+                    name = alt
+
+        generic_types = ("text/plain", "application/octet-stream")
+        if file.mime_type in generic_types and document.mime_type not in generic_types:
+            mime_type = document.mime_type or file.mime_type
+        else:
+            mime_type = file.mime_type or document.mime_type
+        info = ImageInfo(size=file.size, mimetype=mime_type)
+
+        if attrs.mime_type and not file.was_converted:
+            file.mime_type = attrs.mime_type or file.mime_type
+        if file.width and file.height:
+            info.width, info.height = file.width, file.height
+        elif attrs.width and attrs.height:
+            info.width, info.height = attrs.width, attrs.height
+
+        if file.thumbnail:
+            info.thumbnail_url = file.thumbnail.mxc
+            info.thumbnail_info = ThumbnailInfo(mimetype=file.thumbnail.mime_type,
+                                                height=file.thumbnail.height or thumb_size.h,
+                                                width=file.thumbnail.width or thumb_size.w,
+                                                size=file.thumbnail.size)
+
+        return info, name
+
+    async def handle_telegram_document(self, source: 'AbstractUser', intent: IntentAPI,
+                                       evt: Message, relates_to: RelatesTo = None
+                                       ) -> Optional[EventID]:
+        document = evt.media.document
+
+        attrs = self._parse_telegram_document_attributes(document.attributes)
+
+        if document.size > config["bridge.max_document_size"] * 1000 ** 2:
+            name = attrs.name or ""
+            caption = f"\n{evt.message}" if evt.message else ""
+            return await intent.send_notice(self.mxid, f"Too large file {name}{caption}")
+
+        thumb_loc, thumb_size = self._get_largest_photo_size(document)
+        if thumb_size and not isinstance(thumb_size, (PhotoSize, PhotoCachedSize)):
+            self.log.debug(f"Unsupported thumbnail type {type(thumb_size)}")
+            thumb_loc = None
+            thumb_size = None
+        parallel_id = source.tgid if config["bridge.parallel_file_transfer"] else None
+        file = await util.transfer_file_to_matrix(source.client, intent, document, thumb_loc,
+                                                  is_sticker=attrs.is_sticker,
+                                                  tgs_convert=config["bridge.animated_sticker"],
+                                                  filename=attrs.name, parallel_id=parallel_id)
+        if not file:
+            return None
+
+        info, name = self._parse_telegram_document_meta(evt, file, attrs, thumb_size)
+
+        await intent.set_typing(self.mxid, is_typing=False)
+
+        event_type = EventType.ROOM_MESSAGE
+        # Riot only supports images as stickers, so send animated webm stickers as m.video
+        if attrs.is_sticker and file.mime_type.startswith("image/"):
+            event_type = EventType.STICKER
+        content = MediaMessageEventContent(
+            body=name or "unnamed file", info=info, url=file.mxc, relates_to=relates_to,
+            external_url=self._get_external_url(evt),
+            msgtype={
+                "video/": MessageType.VIDEO,
+                "audio/": MessageType.AUDIO,
+                "image/": MessageType.IMAGE,
+            }.get(info.mimetype[:6], MessageType.FILE))
+        return await intent.send_message_event(self.mxid, event_type, content, timestamp=evt.date)
+
+    def handle_telegram_location(self, _: 'AbstractUser', intent: IntentAPI, evt: Message,
+                                 relates_to: dict = None) -> Awaitable[EventID]:
+        long = evt.media.geo.long
+        lat = evt.media.geo.lat
+        long_char = "E" if long > 0 else "W"
+        lat_char = "N" if lat > 0 else "S"
+
+        body = f"{round(lat, 5)}° {lat_char}, {round(long, 5)}° {long_char}"
+        url = f"https://maps.google.com/?q={lat},{long}"
+
+        content = LocationMessageEventContent(
+            msgtype=MessageType.LOCATION, geo_uri=f"geo:{lat},{long}",
+            body=f"Location: {body}\n{url}",
+            relates_to=relates_to, external_url=self._get_external_url(evt))
+        content["format"] = str(Format.HTML)
+        content["formatted_body"] = f"Location: <a href='{url}'>{body}</a>"
+
+        return intent.send_message(self.mxid, content, timestamp=evt.date)
+
+    async def handle_telegram_text(self, source: 'AbstractUser', intent: IntentAPI, is_bot: bool,
+                                   evt: Message) -> EventID:
+        self.log.debug(f"Sending {evt.message} to {self.mxid} by {intent.mxid}")
+        content = await formatter.telegram_to_matrix(evt, source, self.main_intent)
+        content.external_url = self._get_external_url(evt)
+        if is_bot and self.get_config("bot_messages_as_notices"):
+            content.msgtype = MessageType.NOTICE
+        await intent.set_typing(self.mxid, is_typing=False)
+        return await intent.send_message(self.mxid, content, timestamp=evt.date)
+
+    async def handle_telegram_unsupported(self, source: 'AbstractUser', intent: IntentAPI,
+                                          evt: Message, relates_to: dict = None) -> EventID:
+        override_text = ("This message is not supported on your version of Mautrix-Telegram. "
+                         "Please check https://github.com/tulir/mautrix-telegram or ask your "
+                         "bridge administrator about possible updates.")
+        content = await formatter.telegram_to_matrix(
+            evt, source, self.main_intent, override_text=override_text)
+        content.msgtype = MessageType.NOTICE
+        content.external_url = self._get_external_url(evt)
+        content["net.maunium.telegram.unsupported"] = True
+        await intent.set_typing(self.mxid, is_typing=False)
+        return await intent.send_message(self.mxid, content, timestamp=evt.date)
+
+    async def handle_telegram_poll(self, source: 'AbstractUser', intent: IntentAPI, evt: Message,
+                                   relates_to: RelatesTo) -> EventID:
+        poll: Poll = evt.media.poll
+        poll_id = self._encode_msgid(source, evt)
+
+        _n = 0
+
+        def n() -> int:
+            nonlocal _n
+            _n += 1
+            return _n
+
+        text_answers = "\n".join(f"{n()}. {answer.text}" for answer in poll.answers)
+        html_answers = "\n".join(f"<li>{answer.text}</li>" for answer in poll.answers)
+        content = TextMessageEventContent(
+            msgtype=MessageType.TEXT, format=Format.HTML,
+            body=f"Poll: {poll.question}\n{text_answers}\n"
+                 f"Vote with !tg vote {poll_id} <choice number>",
+            formatted_body=f"<strong>Poll</strong>: {poll.question}<br/>\n"
+                           f"<ol>{html_answers}</ol>\n"
+                           f"Vote with <code>!tg vote {poll_id} &lt;choice number&gt;</code>",
+            relates_to=relates_to, external_url=self._get_external_url(evt))
+
+        await intent.set_typing(self.mxid, is_typing=False)
+        return await intent.send_message(self.mxid, content, timestamp=evt.date)
+
+    @staticmethod
+    def _int_to_bytes(i: int) -> bytes:
+        hex_value = "{0:010x}".format(i)
+        return codecs.decode(hex_value, "hex_codec")
+
+    def _encode_msgid(self, source: 'AbstractUser', evt: Message) -> str:
+        if self.peer_type == "channel":
+            play_id = (b"c"
+                       + self._int_to_bytes(self.tgid)
+                       + self._int_to_bytes(evt.id))
+        elif self.peer_type == "chat":
+            play_id = (b"g"
+                       + self._int_to_bytes(self.tgid)
+                       + self._int_to_bytes(evt.id)
+                       + self._int_to_bytes(source.tgid))
+        elif self.peer_type == "user":
+            play_id = (b"u"
+                       + self._int_to_bytes(self.tgid)
+                       + self._int_to_bytes(evt.id))
+        else:
+            raise ValueError("Portal has invalid peer type")
+        return base64.b64encode(play_id).decode("utf-8").rstrip("=")
+
+    async def handle_telegram_game(self, source: 'AbstractUser', intent: IntentAPI,
+                                   evt: Message, relates_to: RelatesTo = None) -> EventID:
+        game = evt.media.game
+        play_id = self._encode_msgid(source, evt)
+        command = f"!tg play {play_id}"
+        override_text = f"Run {command} in your bridge management room to play {game.title}"
+        override_entities = [
+            MessageEntityPre(offset=len("Run "), length=len(command), language="")]
+
+        content = await formatter.telegram_to_matrix(
+            evt, source, self.main_intent,
+            override_text=override_text, override_entities=override_entities)
+        content.msgtype = MessageType.NOTICE
+        content.external_url = self._get_external_url(evt)
+        content["net.maunium.telegram.game"] = play_id
+
+        await intent.set_typing(self.mxid, is_typing=False)
+        return await intent.send_message(self.mxid, content, timestamp=evt.date)
+
+    async def handle_telegram_edit(self, source: 'AbstractUser', sender: p.Puppet, evt: Message
+                                   ) -> None:
+        if not self.mxid:
+            return
+        elif hasattr(evt, "media") and isinstance(evt.media, MessageMediaGame):
+            self.log.debug("Ignoring game message edit event")
+            return
+
+        async with self.send_lock(sender.tgid if sender else None, required=False):
+            tg_space = self.tgid if self.peer_type == "channel" else source.tgid
+
+            temporary_identifier = EventID(
+                f"${random.randint(1000000000000, 9999999999999)}TGBRIDGEDITEMP")
+            duplicate_found = self.dedup.check(evt, (temporary_identifier, tg_space),
+                                               force_hash=True)
+            if duplicate_found:
+                mxid, other_tg_space = duplicate_found
+                if tg_space != other_tg_space:
+                    prev_edit_msg = DBMessage.get_one_by_tgid(TelegramID(evt.id), tg_space, -1)
+                    if not prev_edit_msg:
+                        return
+                    DBMessage(mxid=mxid, mx_room=self.mxid, tg_space=tg_space,
+                              tgid=TelegramID(evt.id), edit_index=prev_edit_msg.edit_index + 1
+                              ).insert()
+                return
+
+        content = await formatter.telegram_to_matrix(evt, source, self.main_intent,
+                                                     no_reply_fallback=True)
+        editing_msg = DBMessage.get_one_by_tgid(TelegramID(evt.id), tg_space)
+        if not editing_msg:
+            self.log.info(f"Didn't find edited message {evt.id}@{tg_space} (src {source.tgid}) "
+                          "in database.")
+            return
+
+        content.msgtype = (MessageType.NOTICE if (sender and sender.is_bot
+                                                  and self.get_config("bot_messages_as_notices"))
+                           else MessageType.TEXT)
+        content.external_url = self._get_external_url(evt)
+        content.set_edit(editing_msg.mxid)
+
+        intent = sender.intent_for(self) if sender else self.main_intent
+        await intent.set_typing(self.mxid, is_typing=False)
+        event_id = await intent.send_message(self.mxid, content)
+
+        prev_edit_msg = DBMessage.get_one_by_tgid(TelegramID(evt.id), tg_space, -1) or editing_msg
+        DBMessage(mxid=event_id, mx_room=self.mxid, tg_space=tg_space, tgid=TelegramID(evt.id),
+                  edit_index=prev_edit_msg.edit_index + 1).insert()
+        DBMessage.update_by_mxid(temporary_identifier, self.mxid, mxid=event_id)
+
+    async def handle_telegram_message(self, source: 'AbstractUser', sender: p.Puppet,
+                                      evt: Message) -> None:
+        if not self.mxid:
+            await self.create_matrix_room(source, invites=[source.mxid], update_if_exists=False)
+
+        if (self.peer_type == "user" and sender.tgid == self.tg_receiver
+            and not sender.is_real_user and not self.az.state_store.is_joined(self.mxid,
+                                                                              sender.mxid)):
+            self.log.debug(f"Ignoring private chat message {evt.id}@{source.tgid} as receiver does"
+                           " not have matrix puppeting and their default puppet isn't in the room")
+            return
+
+        async with self.send_lock(sender.tgid if sender else None, required=False):
+            tg_space = self.tgid if self.peer_type == "channel" else source.tgid
+
+            temporary_identifier = EventID(
+                f"${random.randint(1000000000000, 9999999999999)}TGBRIDGETEMP")
+            duplicate_found = self.dedup.check(evt, (temporary_identifier, tg_space))
+            if duplicate_found:
+                mxid, other_tg_space = duplicate_found
+                self.log.debug(f"Ignoring message {evt.id}@{tg_space} (src {source.tgid}) "
+                               f"as it was already handled (in space {other_tg_space})")
+                if tg_space != other_tg_space:
+                    DBMessage(tgid=TelegramID(evt.id), mx_room=self.mxid, mxid=mxid,
+                              tg_space=tg_space, edit_index=0).insert()
+                return
+
+        if self.dedup.pre_db_check and self.peer_type == "channel":
+            msg = DBMessage.get_one_by_tgid(TelegramID(evt.id), tg_space)
+            if msg:
+                self.log.debug(f"Ignoring message {evt.id} (src {source.tgid}) as it was already"
+                               f"handled into {msg.mxid}. This duplicate was catched in the db "
+                               "check. If you get this message often, consider increasing"
+                               "bridge.deduplication.cache_queue_length in the config.")
+                return
+
+        if sender and not sender.displayname:
+            self.log.debug(f"Telegram user {sender.tgid} sent a message, but doesn't have a "
+                           "displayname, updating info...")
+            entity = await source.client.get_entity(PeerUser(sender.tgid))
+            await sender.update_info(source, entity)
+
+        allowed_media = (MessageMediaPhoto, MessageMediaDocument, MessageMediaGeo,
+                         MessageMediaGame, MessageMediaPoll, MessageMediaUnsupported)
+        media = evt.media if hasattr(evt, "media") and isinstance(evt.media,
+                                                                  allowed_media) else None
+        intent = sender.intent_for(self) if sender else self.main_intent
+        if not media and evt.message:
+            is_bot = sender.is_bot if sender else False
+            event_id = await self.handle_telegram_text(source, intent, is_bot, evt)
+        elif media:
+            event_id = await {
+                MessageMediaPhoto: self.handle_telegram_photo,
+                MessageMediaDocument: self.handle_telegram_document,
+                MessageMediaGeo: self.handle_telegram_location,
+                MessageMediaPoll: self.handle_telegram_poll,
+                MessageMediaUnsupported: self.handle_telegram_unsupported,
+                MessageMediaGame: self.handle_telegram_game,
+            }[type(media)](source, intent, evt,
+                           relates_to=formatter.telegram_reply_to_matrix(evt, source))
+        else:
+            self.log.debug("Unhandled Telegram message: %s", evt)
+            return
+
+        if not event_id:
+            return
+
+        prev_id = self.dedup.update(evt, (event_id, tg_space), (temporary_identifier, tg_space))
+        if prev_id:
+            self.log.debug(f"Sent message {evt.id}@{tg_space} to Matrix as {event_id}. "
+                           f"Temporary dedup identifier was {temporary_identifier}, "
+                           f"but dedup map contained {prev_id[1]} instead! -- "
+                           "This was probably a race condition caused by Telegram sending updates"
+                           "to other clients before responding to the sender. I'll just redact "
+                           "the likely duplicate message now.")
+            await intent.redact(self.mxid, event_id)
+            return
+
+        self.log.debug("Handled Telegram message: %s", evt)
+        try:
+            DBMessage(tgid=TelegramID(evt.id), mx_room=self.mxid, mxid=event_id,
+                      tg_space=tg_space, edit_index=0).insert()
+            DBMessage.update_by_mxid(temporary_identifier, self.mxid, mxid=event_id)
+        except IntegrityError as e:
+            self.log.exception(f"{e.__class__.__name__} while saving message mapping. "
+                               "This might mean that an update was handled after it left the "
+                               "dedup cache queue. You can try enabling bridge.deduplication."
+                               "pre_db_check in the config.")
+            await intent.redact(self.mxid, event_id)
+
+    async def _create_room_on_action(self, source: 'AbstractUser',
+                                     action: TypeMessageAction) -> bool:
+        if source.is_relaybot and config["bridge.ignore_unbridged_group_chat"]:
+            return False
+        create_and_exit = (MessageActionChatCreate, MessageActionChannelCreate)
+        create_and_continue = (MessageActionChatAddUser, MessageActionChatJoinedByLink)
+        if isinstance(action, create_and_exit) or isinstance(action, create_and_continue):
+            await self.create_matrix_room(source, invites=[source.mxid],
+                                          update_if_exists=isinstance(action, create_and_exit))
+        if not isinstance(action, create_and_continue):
+            return False
+        return True
+
+    async def handle_telegram_action(self, source: 'AbstractUser', sender: p.Puppet,
+                                     update: MessageService) -> None:
+        action = update.action
+        should_ignore = ((not self.mxid and not await self._create_room_on_action(source, action))
+                         or self.dedup.check_action(update))
+        if should_ignore or not self.mxid:
+            return
+        if isinstance(action, MessageActionChatEditTitle):
+            await self._update_title(action.title, sender=sender, save=True)
+        elif isinstance(action, MessageActionChatEditPhoto):
+            await self._update_avatar(source, action.photo, sender=sender, save=True)
+        elif isinstance(action, MessageActionChatDeletePhoto):
+            await self._update_avatar(source, ChatPhotoEmpty(), sender=sender, save=True)
+        elif isinstance(action, MessageActionChatAddUser):
+            for user_id in action.users:
+                await self._add_telegram_user(TelegramID(user_id), source)
+        elif isinstance(action, MessageActionChatJoinedByLink):
+            await self._add_telegram_user(sender.id, source)
+        elif isinstance(action, MessageActionChatDeleteUser):
+            await self._delete_telegram_user(TelegramID(action.user_id), sender)
+        elif isinstance(action, MessageActionChatMigrateTo):
+            self.peer_type = "channel"
+            self._migrate_and_save_telegram(TelegramID(action.channel_id))
+            await sender.intent_for(self).send_emote(self.mxid,
+                                                     "upgraded this group to a supergroup.")
+        elif isinstance(action, MessageActionGameScore):
+            # TODO handle game score
+            pass
+        else:
+            self.log.debug("Unhandled Telegram action in %s: %s", self.title, action)
+
+    async def set_telegram_admin(self, user_id: TelegramID) -> None:
+        puppet = p.Puppet.get(user_id)
+        user = u.User.get_by_tgid(user_id)
+
+        levels = await self.main_intent.get_power_levels(self.mxid)
+        if user:
+            levels.users[user.mxid] = 50
+        if puppet:
+            levels.users[puppet.mxid] = 50
+        await self.main_intent.set_power_levels(self.mxid, levels)
+
+    async def receive_telegram_pin_id(self, msg_id: TelegramID, receiver: TelegramID) -> None:
+        tg_space = receiver  if self.peer_type != "channel" else self.tgid
+        message = DBMessage.get_one_by_tgid(msg_id, tg_space) if msg_id != 0 else None
+        if message:
+            await self.main_intent.set_pinned_messages(self.mxid, [message.mxid])
+        else:
+            await self.main_intent.set_pinned_messages(self.mxid, [])
+
+    async def set_telegram_admins_enabled(self, enabled: bool) -> None:
+        level = 50 if enabled else 10
+        levels = await self.main_intent.get_power_levels(self.mxid)
+        levels.invite = level
+        levels.events[EventType.ROOM_NAME] = level
+        levels.events[EventType.ROOM_AVATAR] = level
+        await self.main_intent.set_power_levels(self.mxid, levels)
+
+
+def init(context: Context) -> None:
+    global config
+    config = context.config

mautrix_telegram/puppet.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,252 +13,140 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Awaitable, Coroutine, Dict, List, Optional, Pattern, TYPE_CHECKING
+from typing import Awaitable, Any, Dict, Iterable, Optional, Union, TYPE_CHECKING
 from difflib import SequenceMatcher
-from enum import Enum
-from aiohttp import ServerDisconnectedError
+import unicodedata
 import asyncio
 import logging
-import re
 
-from sqlalchemy import orm
+from telethon.tl.types import (UserProfilePhoto, User, UpdateUserName, PeerUser, TypeInputPeer,
+                               InputPeerPhotoFileLocation, UserProfilePhotoEmpty, TypeInputUser)
 
-from telethon.tl.types import UserProfilePhoto, User, FileLocation
-from mautrix_appservice import AppService, IntentAPI, IntentError, MatrixRequestError
+from mautrix.appservice import AppService, IntentAPI
+from mautrix.errors import MatrixRequestError
+from mautrix.bridge import CustomPuppetMixin
+from mautrix.types import UserID, SyncToken
+from mautrix.util.simple_template import SimpleTemplate
 
-from .types import MatrixUserID, TelegramID
+from .types import TelegramID
 from .db import Puppet as DBPuppet
-from . import util
+from . import util, portal as p
 
 if TYPE_CHECKING:
     from .matrix import MatrixHandler
     from .config import Config
     from .context import Context
-    from . import user as u
     from .abstract_user import AbstractUser
 
-PuppetError = Enum('PuppetError', 'Success OnlyLoginSelf InvalidAccessToken')
-
-config = None  # type: Config
+config: Optional['Config'] = None
 
 
-class Puppet:
-    log = logging.getLogger("mau.puppet")  # type: logging.Logger
-    db = None  # type: orm.Session
-    az = None  # type: AppService
-    mx = None  # type: MatrixHandler
-    loop = None  # type: asyncio.AbstractEventLoop
-    mxid_regex = None  # type: Pattern
-    username_template = None  # type: str
-    hs_domain = None  # type: str
-    cache = {}  # type: Dict[TelegramID, Puppet]
-    by_custom_mxid = {}  # type: Dict[str, Puppet]
+class Puppet(CustomPuppetMixin):
+    log: logging.Logger = logging.getLogger("mau.puppet")
+    az: AppService
+    mx: 'MatrixHandler'
+    loop: asyncio.AbstractEventLoop
+    hs_domain: str
+    mxid_template: SimpleTemplate[TelegramID]
+    displayname_template: SimpleTemplate[str]
+
+    cache: Dict[TelegramID, 'Puppet'] = {}
+    by_custom_mxid: Dict[UserID, 'Puppet'] = {}
+
+    id: TelegramID
+    access_token: Optional[str]
+    custom_mxid: Optional[UserID]
+    _next_batch: Optional[SyncToken]
+    default_mxid: UserID
+
+    username: Optional[str]
+    displayname: Optional[str]
+    displayname_source: Optional[TelegramID]
+    photo_id: Optional[str]
+    is_bot: bool
+    is_registered: bool
+    disable_updates: bool
+
+    default_mxid_intent: IntentAPI
+    intent: IntentAPI
+
+    sync_task: Optional[asyncio.Future]
+
+    _db_instance: Optional[DBPuppet]
 
     def __init__(self,
                  id: TelegramID,
                  access_token: Optional[str] = None,
-                 custom_mxid: Optional[MatrixUserID] = None,
+                 custom_mxid: Optional[UserID] = None,
+                 next_batch: Optional[SyncToken] = None,
                  username: Optional[str] = None,
                  displayname: Optional[str] = None,
                  displayname_source: Optional[TelegramID] = None,
                  photo_id: Optional[str] = None,
                  is_bot: bool = False,
                  is_registered: bool = False,
+                 disable_updates: bool = False,
                  db_instance: Optional[DBPuppet] = None) -> None:
-        self.id = id  # type: TelegramID
-        self.access_token = access_token  # type: Optional[str]
-        self.custom_mxid = custom_mxid  # type: Optional[MatrixUserID]
-        self.default_mxid = self.get_mxid_from_id(self.id)  # type: MatrixUserID
+        self.id = id
+        self.access_token = access_token
+        self.custom_mxid = custom_mxid
+        self._next_batch = next_batch
+        self.default_mxid = self.get_mxid_from_id(self.id)
 
-        self.username = username  # type: Optional[str]
-        self.displayname = displayname  # type: Optional[str]
-        self.displayname_source = displayname_source  # type: Optional[TelegramID]
-        self.photo_id = photo_id  # type: Optional[str]
-        self.is_bot = is_bot  # type: bool
-        self.is_registered = is_registered  # type: bool
-        self._db_instance = db_instance  # type: Optional[DBPuppet]
+        self.username = username
+        self.displayname = displayname
+        self.displayname_source = displayname_source
+        self.photo_id = photo_id
+        self.is_bot = is_bot
+        self.is_registered = is_registered
+        self.disable_updates = disable_updates
+        self._db_instance = db_instance
 
         self.default_mxid_intent = self.az.intent.user(self.default_mxid)
-        self.intent = self._fresh_intent()  # type: IntentAPI
+        self.intent = self._fresh_intent()
+        self.sync_task = None
 
         self.cache[id] = self
         if self.custom_mxid:
             self.by_custom_mxid[self.custom_mxid] = self
 
-    @property
-    def mxid(self) -> MatrixUserID:
-        return self.custom_mxid or self.default_mxid
+        self.log = self.log.getChild(str(self.id))
 
     @property
     def tgid(self) -> TelegramID:
         return self.id
 
     @property
-    def is_real_user(self) -> bool:
-        """ Is True when the puppet is a real Matrix user. """
-        return bool(self.custom_mxid and self.access_token)
+    def peer(self) -> PeerUser:
+        return PeerUser(user_id=self.tgid)
+
+    @property
+    def next_batch(self) -> SyncToken:
+        return self._next_batch
+
+    @next_batch.setter
+    def next_batch(self, value: SyncToken) -> None:
+        self._next_batch = value
+        self.db_instance.edit(next_batch=self._next_batch)
 
     @staticmethod
     async def is_logged_in() -> bool:
         """ Is True if the puppet is logged in. """
         return True
 
-    # region Custom puppet management
-    def _fresh_intent(self) -> IntentAPI:
-        return (self.az.intent.user(self.custom_mxid, self.access_token)
-                if self.is_real_user else self.default_mxid_intent)
+    @property
+    def plain_displayname(self) -> str:
+        return self.displayname_template.parse(self.displayname) or self.displayname
 
-    async def switch_mxid(self, access_token: Optional[str],
-                          mxid: Optional[MatrixUserID]) -> PuppetError:
-        prev_mxid = self.custom_mxid
-        self.custom_mxid = mxid
-        self.access_token = access_token
-        self.intent = self._fresh_intent()
+    def get_input_entity(self, user: 'AbstractUser'
+                         ) -> Awaitable[Union[TypeInputPeer, TypeInputUser]]:
+        return user.client.get_input_entity(self.peer)
 
-        err = await self.init_custom_mxid()
-        if err != PuppetError.Success:
-            return err
+    def intent_for(self, portal: 'p.Portal') -> IntentAPI:
+        if portal.tgid == self.tgid:
+            return self.default_mxid_intent
+        return self.intent
 
-        try:
-            del self.by_custom_mxid[prev_mxid]  # type: ignore
-        except KeyError:
-            pass
-        if self.mxid != self.default_mxid:
-            self.by_custom_mxid[self.mxid] = self
-            await self.leave_rooms_with_default_user()
-        self.save()
-        return PuppetError.Success
-
-    async def init_custom_mxid(self) -> PuppetError:
-        if not self.is_real_user:
-            return PuppetError.Success
-
-        mxid = await self.intent.whoami()
-        if not mxid or mxid != self.custom_mxid:
-            self.custom_mxid = None
-            self.access_token = None
-            self.intent = self._fresh_intent()
-            if mxid != self.custom_mxid:
-                return PuppetError.OnlyLoginSelf
-            return PuppetError.InvalidAccessToken
-        if config["bridge.sync_with_custom_puppets"]:
-            asyncio.ensure_future(self.sync(), loop=self.loop)
-        return PuppetError.Success
-
-    async def leave_rooms_with_default_user(self) -> None:
-        for room_id in await self.default_mxid_intent.get_joined_rooms():
-            try:
-                await self.default_mxid_intent.leave_room(room_id)
-                await self.intent.ensure_joined(room_id)
-            except (IntentError, MatrixRequestError):
-                pass
-
-    def create_sync_filter(self) -> Awaitable[str]:
-        return self.intent.client.create_filter(self.custom_mxid, {
-            "room": {
-                "include_leave": False,
-                "state": {
-                    "types": []
-                },
-                "timeline": {
-                    "types": [],
-                },
-                "ephemeral": {
-                    "types": ["m.typing", "m.receipt"],
-                },
-                "account_data": {
-                    "types": []
-                }
-            },
-            "account_data": {
-                "types": [],
-            },
-            "presence": {
-                "types": ["m.presence"],
-                "senders": [self.custom_mxid],
-            },
-        })
-
-    def filter_events(self, events: List[Dict]) -> List:
-        new_events = []
-        for event in events:
-            evt_type = event.get("type", None)
-            event.setdefault("content", {})
-            if evt_type == "m.typing":
-                is_typing = self.custom_mxid in event["content"].get("user_ids", [])
-                event["content"]["user_ids"] = [self.custom_mxid] if is_typing else []
-            elif evt_type == "m.receipt":
-                val = None
-                evt = None
-                for event_id in event["content"]:
-                    try:
-                        val = event["content"][event_id]["m.read"][self.custom_mxid]
-                        evt = event_id
-                        break
-                    except KeyError:
-                        pass
-                if val and evt:
-                    event["content"] = {evt: {"m.read": {
-                        self.custom_mxid: val
-                    }}}
-                else:
-                    continue
-            new_events.append(event)
-        return new_events
-
-    def handle_sync(self, presence: List, ephemeral: Dict) -> None:
-        presence_events = [self.mx.try_handle_event(event) for event in presence]
-
-        for room_id, events in ephemeral.items():
-            for event in events:
-                event["room_id"] = room_id
-
-        ephemeral_events = [self.mx.try_handle_event(event)
-                            for events in ephemeral.values()
-                            for event in self.filter_events(events)]
-
-        events = ephemeral_events + presence_events  # List[Callable[[int], Awaitable[None]]]
-        coro = asyncio.gather(*events, loop=self.loop)
-        asyncio.ensure_future(coro, loop=self.loop)
-
-    async def sync(self) -> None:
-        try:
-            await self._sync()
-        except Exception:
-            self.log.exception("Fatal error syncing")
-
-    async def _sync(self) -> None:
-        if not self.is_real_user:
-            self.log.warning("Called sync() for non-custom puppet.")
-            return
-        custom_mxid = self.custom_mxid
-        access_token_at_start = self.access_token
-        errors = 0
-        next_batch = None
-        filter_id = await self.create_sync_filter()
-        self.log.debug(f"Starting syncer for {custom_mxid} with sync filter {filter_id}.")
-        while access_token_at_start == self.access_token:
-            try:
-                sync_resp = await self.intent.client.sync(filter=filter_id, since=next_batch,
-                                                          set_presence="offline")  # type: Dict
-                errors = 0
-                if next_batch is not None:
-                    presence = sync_resp.get("presence", {}).get("events", [])  # type: List
-                    ephemeral = {room: data.get("ephemeral", {}).get("events", [])
-                                 for room, data
-                                 in sync_resp.get("rooms", {}).get("join", {}).items()
-                                 }  # type: Dict
-                    self.handle_sync(presence, ephemeral)
-                next_batch = sync_resp.get("next_batch", None)
-            except (MatrixRequestError, ServerDisconnectedError) as e:
-                wait = min(errors, 11) ** 2
-                self.log.warning(f"Syncer for {custom_mxid} errored: {e}. "
-                                 f"Waiting for {wait} seconds...")
-                errors += 1
-                await asyncio.sleep(wait)
-        self.log.debug(f"Syncer for custom puppet {custom_mxid} stopped.")
-
-    # endregion
     # region DB conversion
 
     @property
@@ -268,32 +155,31 @@ class Puppet:
             self._db_instance = self.new_db_instance()
         return self._db_instance
 
+    @property
+    def _fields(self) -> Dict[str, Any]:
+        return dict(access_token=self.access_token, next_batch=self._next_batch,
+                    custom_mxid=self.custom_mxid, username=self.username, is_bot=self.is_bot,
+                    displayname=self.displayname, displayname_source=self.displayname_source,
+                    photo_id=self.photo_id, matrix_registered=self.is_registered,
+                    disable_updates=self.disable_updates)
+
     def new_db_instance(self) -> DBPuppet:
-        return DBPuppet(id=self.id, access_token=self.access_token, custom_mxid=self.custom_mxid,
-                        username=self.username, displayname=self.displayname,
-                        displayname_source=self.displayname_source, photo_id=self.photo_id,
-                        is_bot=self.is_bot, matrix_registered=self.is_registered)
+        return DBPuppet(id=self.id, **self._fields)
+
+    def save(self) -> None:
+        self.db_instance.edit(**self._fields)
 
     @classmethod
     def from_db(cls, db_puppet: DBPuppet) -> 'Puppet':
         return Puppet(db_puppet.id, db_puppet.access_token, db_puppet.custom_mxid,
-                      db_puppet.username, db_puppet.displayname, db_puppet.displayname_source,
-                      db_puppet.photo_id, db_puppet.is_bot, db_puppet.matrix_registered,
+                      db_puppet.next_batch, db_puppet.username, db_puppet.displayname,
+                      db_puppet.displayname_source, db_puppet.photo_id, db_puppet.is_bot,
+                      db_puppet.matrix_registered, db_puppet.disable_updates,
                       db_instance=db_puppet)
 
-    def save(self) -> None:
-        self.db_instance.access_token = self.access_token
-        self.db_instance.custom_mxid = self.custom_mxid
-        self.db_instance.username = self.username
-        self.db_instance.displayname = self.displayname
-        self.db_instance.displayname_source = self.displayname_source
-        self.db_instance.photo_id = self.photo_id
-        self.db_instance.is_bot = self.is_bot
-        self.db_instance.matrix_registered = self.is_registered
-        self.db.commit()
-
     # endregion
     # region Info updating
+
     def similarity(self, query: str) -> int:
         username_similarity = (SequenceMatcher(None, self.username, query).ratio()
                                if self.username else 0)
@@ -303,74 +189,132 @@ class Puppet:
         return int(round(similarity * 100))
 
     @staticmethod
-    def get_displayname(info: User, enable_format: bool = True) -> str:
+    def _filter_name(name: str) -> str:
+        if not name:
+            return ""
+        whitespace = ("\t\n\r\v\f \u00a0\u034f\u180e\u2063\u202f\u205f\u2800\u3000\u3164\ufeff"
+                      "\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b"
+                      "\u200c\u200d\u200e\u200f\ufe0f")
+        name = "".join(c for c in name.strip(whitespace) if unicodedata.category(c) != 'Cf')
+        return name
+
+    @classmethod
+    def get_displayname(cls, info: User, enable_format: bool = True) -> str:
+        fn = cls._filter_name(info.first_name)
+        ln = cls._filter_name(info.last_name)
         data = {
             "phone number": info.phone if hasattr(info, "phone") else None,
             "username": info.username,
-            "full name": " ".join([info.first_name or "", info.last_name or ""]).strip(),
-            "full name reversed": " ".join([info.first_name or "", info.last_name or ""]).strip(),
-            "first name": info.first_name,
-            "last name": info.last_name,
+            "full name": " ".join([fn, ln]).strip(),
+            "full name reversed": " ".join([ln, fn]).strip(),
+            "first name": fn,
+            "last name": ln,
         }
-        preferences = config.get("bridge.displayname_preference",
-                                 ["full name", "username", "phone"])
+        preferences = config["bridge.displayname_preference"]
         name = None
         for preference in preferences:
             name = data[preference]
             if name:
                 break
 
-        if info.deleted:
+        if isinstance(info, User) and info.deleted:
             name = f"Deleted account {info.id}"
         elif not name:
-            name = info.id
+            name = str(info.id)
 
         if not enable_format:
             return name
-        return config.get("bridge.displayname_template", "{displayname} (Telegram)").format(
-            displayname=name)
+        return cls.displayname_template.format_full(name)
+
+    async def try_update_info(self, source: 'AbstractUser', info: User) -> None:
+        try:
+            await self.update_info(source, info)
+        except Exception:
+            source.log.exception(f"Failed to update info of {self.tgid}")
 
     async def update_info(self, source: 'AbstractUser', info: User) -> None:
+        if self.disable_updates:
+            return
         changed = False
         if self.username != info.username:
             self.username = info.username
             changed = True
 
-        changed = await self.update_displayname(source, info) or changed
-        if isinstance(info.photo, UserProfilePhoto):
-            changed = await self.update_avatar(source, info.photo.photo_big) or changed
+        try:
+            changed = await self.update_displayname(source, info) or changed
+            if isinstance(info.photo, UserProfilePhoto):
+                changed = await self.update_avatar(source, info.photo) or changed
+        except Exception:
+            self.log.exception(f"Failed to update info from source {source.tgid}")
 
         self.is_bot = info.bot
 
         if changed:
             self.save()
 
-    async def update_displayname(self, source: 'AbstractUser', info: User) -> bool:
-        ignore_source = (not source.is_relaybot
-                         and self.displayname_source is not None
-                         and self.displayname_source != source.tgid)
-        if ignore_source:
+    async def update_displayname(self, source: 'AbstractUser', info: Union[User, UpdateUserName]
+                                 ) -> bool:
+        if self.disable_updates:
             return False
+        allow_source = (source.is_relaybot
+                        or self.displayname_source == source.tgid
+                        # No displayname source, so just trust anything
+                        or self.displayname_source is None)
+        if not allow_source:
+            return False
+        elif isinstance(info, UpdateUserName):
+            info = await source.client.get_entity(PeerUser(self.tgid))
 
         displayname = self.get_displayname(info)
         if displayname != self.displayname:
-            await self.default_mxid_intent.set_display_name(displayname)
             self.displayname = displayname
             self.displayname_source = source.tgid
+            try:
+                await self.default_mxid_intent.set_displayname(
+                    displayname[:config["bridge.displayname_max_length"]])
+            except MatrixRequestError:
+                self.log.exception("Failed to set displayname")
+                self.displayname = ""
+                self.displayname_source = None
             return True
         elif source.is_relaybot or self.displayname_source is None:
             self.displayname_source = source.tgid
             return True
         return False
 
-    async def update_avatar(self, source: 'AbstractUser', photo: FileLocation) -> bool:
-        photo_id = f"{photo.volume_id}-{photo.local_id}"
+    async def update_avatar(self, source: 'AbstractUser',
+                            photo: Union[UserProfilePhoto, UserProfilePhotoEmpty]) -> bool:
+        if self.disable_updates:
+            return False
+
+        if isinstance(photo, UserProfilePhotoEmpty):
+            photo_id = ""
+        else:
+            photo_id = str(photo.photo_id)
         if self.photo_id != photo_id:
-            file = await util.transfer_file_to_matrix(self.db, source.client,
-                                                      self.default_mxid_intent, photo)
+            if not photo_id:
+                self.photo_id = ""
+                try:
+                    await self.default_mxid_intent.set_avatar_url("")
+                except MatrixRequestError:
+                    self.log.exception("Failed to set avatar")
+                    self.photo_id = ""
+                return True
+
+            loc = InputPeerPhotoFileLocation(
+                peer=await self.get_input_entity(source),
+                local_id=photo.photo_big.local_id,
+                volume_id=photo.photo_big.volume_id,
+                big=True
+            )
+            file = await util.transfer_file_to_matrix(source.client, self.default_mxid_intent, loc)
             if file:
-                await self.default_mxid_intent.set_avatar(file.mxc)
                 self.photo_id = photo_id
+                try:
+                    await self.default_mxid_intent.set_avatar_url(file.mxc)
+                except MatrixRequestError:
+                    self.log.exception("Failed to set avatar")
+                    self.photo_id = ""
                 return True
         return False
 
@@ -384,20 +328,19 @@ class Puppet:
         except KeyError:
             pass
 
-        puppet = DBPuppet.query.get(tgid)
+        puppet = DBPuppet.get_by_tgid(tgid)
         if puppet:
             return cls.from_db(puppet)
 
         if create:
             puppet = cls(tgid)
-            cls.db.add(puppet.db_instance)
-            cls.db.commit()
+            puppet.db_instance.insert()
             return puppet
 
         return None
 
     @classmethod
-    def get_by_mxid(cls, mxid: MatrixUserID, create: bool = True) -> Optional['Puppet']:
+    def get_by_mxid(cls, mxid: UserID, create: bool = True) -> Optional['Puppet']:
         tgid = cls.get_id_from_mxid(mxid)
         if tgid:
             return cls.get(tgid, create)
@@ -405,7 +348,7 @@ class Puppet:
         return None
 
     @classmethod
-    def get_by_custom_mxid(cls, mxid: MatrixUserID) -> Optional['Puppet']:
+    def get_by_custom_mxid(cls, mxid: UserID) -> Optional['Puppet']:
         if not mxid:
             raise ValueError("Matrix ID can't be empty")
 
@@ -414,7 +357,7 @@ class Puppet:
         except KeyError:
             pass
 
-        puppet = DBPuppet.query.filter(DBPuppet.custom_mxid == mxid).one_or_none()
+        puppet = DBPuppet.get_by_custom_mxid(mxid)
         if puppet:
             puppet = cls.from_db(puppet)
             return puppet
@@ -422,33 +365,32 @@ class Puppet:
         return None
 
     @classmethod
-    def get_all_with_custom_mxid(cls) -> List['Puppet']:
-        return [cls.by_custom_mxid[puppet.mxid]
+    def all_with_custom_mxid(cls) -> Iterable['Puppet']:
+        return (cls.by_custom_mxid[puppet.mxid]
                 if puppet.custom_mxid in cls.by_custom_mxid
                 else cls.from_db(puppet)
-                for puppet in DBPuppet.query.filter(DBPuppet.custom_mxid is not None).all()]
+                for puppet in DBPuppet.all_with_custom_mxid())
 
     @classmethod
-    def get_id_from_mxid(cls, mxid: MatrixUserID) -> Optional[TelegramID]:
-        match = cls.mxid_regex.match(mxid)
-        if match:
-            return TelegramID(int(match.group(1)))
-        return None
+    def get_id_from_mxid(cls, mxid: UserID) -> Optional[TelegramID]:
+        return cls.mxid_template.parse(mxid)
 
     @classmethod
-    def get_mxid_from_id(cls, tgid: TelegramID) -> MatrixUserID:
-        return MatrixUserID(f"@{cls.username_template.format(userid=tgid)}:{cls.hs_domain}")
+    def get_mxid_from_id(cls, tgid: TelegramID) -> UserID:
+        return UserID(cls.mxid_template.format_full(tgid))
 
     @classmethod
     def find_by_username(cls, username: str) -> Optional['Puppet']:
         if not username:
             return None
 
+        username = username.lower()
+
         for _, puppet in cls.cache.items():
-            if puppet.username and puppet.username.lower() == username.lower():
+            if puppet.username and puppet.username.lower() == username:
                 return puppet
 
-        dbpuppet = DBPuppet.query.filter(DBPuppet.username == username).one_or_none()
+        dbpuppet = DBPuppet.get_by_username(username)
         if dbpuppet:
             return cls.from_db(dbpuppet)
 
@@ -463,7 +405,7 @@ class Puppet:
             if puppet.displayname and puppet.displayname == displayname:
                 return puppet
 
-        dbpuppet = DBPuppet.query.filter(DBPuppet.displayname == displayname).one_or_none()
+        dbpuppet = DBPuppet.get_by_displayname(displayname)
         if dbpuppet:
             return cls.from_db(dbpuppet)
 
@@ -471,12 +413,15 @@ class Puppet:
     # endregion
 
 
-def init(context: 'Context') -> List[Coroutine]:  # [None, None, PuppetError]
+def init(context: 'Context') -> Iterable[Awaitable[Any]]:
     global config
-    Puppet.az, Puppet.db, config, Puppet.loop, _ = context.core
+    Puppet.az, config, Puppet.loop, _ = context.core
     Puppet.mx = context.mx
-    Puppet.username_template = config.get("bridge.username_template", "telegram_{userid}")
     Puppet.hs_domain = config["homeserver"]["domain"]
-    Puppet.mxid_regex = re.compile(
-        f"@{Puppet.username_template.format(userid='([0-9]+)')}:{Puppet.hs_domain}")
-    return [puppet.init_custom_mxid() for puppet in Puppet.get_all_with_custom_mxid()]
+
+    Puppet.mxid_template = SimpleTemplate(config["bridge.username_template"], "userid",
+                                          prefix="@", suffix=f":{Puppet.hs_domain}", type=int)
+    Puppet.displayname_template = SimpleTemplate(config["bridge.displayname_template"],
+                                                 "displayname")
+
+    return (puppet.try_start() for puppet in Puppet.all_with_custom_mxid())

mautrix_telegram/scripts/dbms_migrate/__main__.py

@@ -1,7 +1,9 @@
+from typing import Union
 import argparse
-import sqlalchemy as sql
+
 from sqlalchemy import orm
 from sqlalchemy.ext.declarative import declarative_base
+import sqlalchemy as sql
 
 from alchemysession import AlchemySessionContainer
 
@@ -11,20 +13,30 @@ parser.add_argument("-f", "--from-url", type=str, required=True, metavar="<url>"
                     help="the old database path")
 parser.add_argument("-t", "--to-url", type=str, required=True, metavar="<url>",
                     help="the new database path")
+parser.add_argument("-v", "--verbose", action="store_true", help="Verbose logs while migrating")
 args = parser.parse_args()
+verbose = args.verbose or False
+
+
+def log(message, end="\n"):
+    if verbose:
+        print(message, end=end, flush=True)
 
 
 def connect(to):
-    import mautrix_telegram.base as base
-    base.Base = declarative_base()
-    from mautrix_telegram.db import (Portal, Message, UserPortal, User, RoomState, UserProfile,
-                                     Contact, Puppet, BotChat, TelegramFile)
+    from mautrix.bridge.db import Base, RoomState, UserProfile
+    from mautrix_telegram.db import (Portal, Message, UserPortal, User, Contact, Puppet, BotChat,
+                                     TelegramFile)
+
     db_engine = sql.create_engine(to)
     db_factory = orm.sessionmaker(bind=db_engine)
-    db_session = orm.scoped_session(db_factory)  # type: orm.Session
-    base.Base.metadata.bind = db_engine
+    db_session: Union[orm.Session, orm.scoped_session] = orm.scoped_session(db_factory)
+    Base.metadata.bind = db_engine
+
+    new_base = declarative_base()
+    new_base.metadata.bind = db_engine
     session_container = AlchemySessionContainer(engine=db_engine, session=db_session,
-                                                table_base=base.Base, table_prefix="telethon_",
+                                                table_base=new_base, table_prefix="telethon_",
                                                 manage_tables=False)
 
     return db_session, {
@@ -46,14 +58,30 @@ def connect(to):
     }
 
 
+log("Connecting to old database")
 session, tables = connect(args.from_url)
 
 data = {}
 for name, table in tables.items():
+    log("Reading table {name}...".format(name=name), end=" ")
     data[name] = session.query(table).all()
+    log("Done!")
 
+log("Connecting to new database")
 session, tables = connect(args.to_url)
+
 for name, table in tables.items():
+    log("Writing table {name}".format(name=name), end="")
+    length = len(data[name])
+    n = 0
     for row in data[name]:
         session.merge(row)
+        n += 5
+        if n >= length:
+            log(".", end="")
+            n = 0
+    log(" Done!")
+
+log("Committing changes to database...", end=" ")
 session.commit()
+log("Done!")

mautrix_telegram/scripts/telematrix_import/__main__.py

@@ -1,10 +1,29 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Dict
 import argparse
-import sqlalchemy as sql
-from sqlalchemy import orm
 
-from mautrix_telegram.base import Base
-from mautrix_telegram.config import Config
+from sqlalchemy import orm
+import sqlalchemy as sql
+
+from mautrix.util.db import Base
+
 from mautrix_telegram.db import Portal, Message, Puppet, BotChat
+from mautrix_telegram.config import Config
+
 from .models import ChatLink, TgUser, MatrixUser, Message as TMMessage, Base as TelematrixBase
 
 parser = argparse.ArgumentParser(
@@ -21,7 +40,7 @@ args = parser.parse_args()
 config = Config(args.config, None, None)
 config.load()
 
-mxtg_db_engine = sql.create_engine(config.get("appservice.database", "sqlite:///mautrix-telegram.db"))
+mxtg_db_engine = sql.create_engine(config["appservice.database"])
 mxtg = orm.sessionmaker(bind=mxtg_db_engine)()
 Base.metadata.bind = mxtg_db_engine
 
@@ -37,17 +56,18 @@ tm_messages = telematrix.query(TMMessage).all()
 telematrix.close()
 telematrix_db_engine.dispose()
 
-portals = {}  # Dict[int, Portal]
-chats = {}  # Dict[int, BotChat]
-messages = {}  # Dict[str, Message]
-puppets = {}  # Dict[int, Puppet]
+portals_by_tgid: Dict[int, Portal] = {}
+portals_by_mxid: Dict[str, Portal] = {}
+chats: Dict[int, BotChat] = {}
+messages: Dict[str, Message] = {}
+puppets: Dict[int, Puppet] = {}
 
 for chat_link in chat_links:
     if type(chat_link.tg_room) is str:
-        print("Expected tg_room to be a number, got a string. Ignoring %s" % chat_link.tg_room)
+        print(f"Expected tg_room to be a number, got a string. Ignoring {chat_link.tg_room}")
         continue
     if chat_link.tg_room >= 0:
-        print("Unexpected unprefixed telegram chat ID: %s, ignoring..." % chat_link.tg_room)
+        print(f"Unexpected unprefixed telegram chat ID: {chat_link.tg_room}, ignoring...")
         continue
     tgid = str(chat_link.tg_room)
     if tgid.startswith("-100"):
@@ -61,16 +81,28 @@ for chat_link in chat_links:
 
     portal = Portal(tgid=tgid, tg_receiver=tgid, peer_type=peer_type, megagroup=megagroup,
                     mxid=chat_link.matrix_room)
-    bot_chat = BotChat(id=tgid, type=peer_type)
-    portals[chat_link.tg_room] = portal
-    chats[tgid] = bot_chat
+    chats[tgid] = BotChat(id=tgid, type=peer_type)
+    if chat_link.tg_room in portals_by_tgid:
+        print(f"Warning: Ignoring bridge from {portal.tgid} to {portal.mxid} "
+              f"in favor of {portals_by_tgid[portal.tgid].mxid}")
+        continue
+    elif chat_link.matrix_room in portals_by_mxid:
+        print(f"Warning: Ignoring bridge from {portal.mxid} to {portal.tgid} "
+              f"in favor of {portals_by_mxid[portal.mxid].tgid}")
+        continue
+    portals_by_tgid[portal.tgid] = portal
+    portals_by_mxid[portal.mxid] = portal
 
 for tm_msg in tm_messages:
     try:
-        portal = portals[tm_msg.tg_group_id]
+        portal = portals_by_tgid[tm_msg.tg_group_id]
     except KeyError:
-        print("Found message entry %d in unlinked chat %d, ignoring..." % (tm_msg.tg_message_id,
-                                                                           tm_msg.tg_group_id))
+        print(f"Found message entry {tm_msg.tg_message_id} in unlinked chat {tm_msg.tg_group_id},"
+              " ignoring...")
+        continue
+    if tm_msg.matrix_room_id != portal.mxid:
+        print(f"Found message entry {tm_msg.tg_message_id} with "
+              f"mismatching matrix room ID {tm_msg.matrix_room_id} (expected {portal.mxid})")
         continue
     tg_space = portal.tgid if portal.peer_type == "channel" else args.bot_id
     message = Message(mxid=tm_msg.matrix_event_id, mx_room=tm_msg.matrix_room_id,
@@ -81,7 +113,7 @@ for user in tg_users:
     puppets[user.tg_id] = Puppet(id=user.tg_id, displayname=user.name,
                                  displayname_source=args.bot_id)
 
-for k, v in portals.items():
+for k, v in portals_by_tgid.items():
     mxtg.add(v)
 for k, v in chats.items():
     mxtg.add(v)

mautrix_telegram/sqlstatestore.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,109 +13,26 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Dict, Tuple
+from mautrix.types import UserID
+from mautrix.bridge.db import SQLStateStore as BaseSQLStateStore
 
-from sqlalchemy import orm
-
-from mautrix_appservice import StateStore
-
-from .types import MatrixUserID, MatrixRoomID
 from . import puppet as pu
-from .db import RoomState, UserProfile
 
 
-class SQLStateStore(StateStore):
-    def __init__(self, db: orm.Session) -> None:
-        super().__init__()
-        self.db = db  # type: orm.Session
-        self.profile_cache = {}  # type: Dict[Tuple[str, str], UserProfile]
-        self.room_state_cache = {}  # type: Dict[str, RoomState]
+class SQLStateStore(BaseSQLStateStore):
+    def is_registered(self, user_id: UserID) -> bool:
+        puppet = pu.Puppet.get_by_mxid(user_id, create=False)
+        if puppet:
+            return puppet.is_registered
+        custom_puppet = pu.Puppet.get_by_custom_mxid(user_id)
+        if custom_puppet:
+            return True
+        return super().is_registered(user_id)
 
-    @staticmethod
-    def is_registered(user: MatrixUserID) -> bool:
-        puppet = pu.Puppet.get_by_mxid(user)
-        return puppet.is_registered if puppet else False
-
-    @staticmethod
-    def registered(user: MatrixUserID) -> None:
-        puppet = pu.Puppet.get_by_mxid(user)
+    def registered(self, user_id: UserID) -> None:
+        puppet = pu.Puppet.get_by_mxid(user_id, create=True)
         if puppet:
             puppet.is_registered = True
             puppet.save()
-
-    def update_state(self, event: Dict) -> None:
-        event_type = event["type"]
-        if event_type == "m.room.power_levels":
-            self.set_power_levels(event["room_id"], event["content"])
-        elif event_type == "m.room.member":
-            self.set_member(event["room_id"], event["state_key"], event["content"])
-
-    def _get_user_profile(self, room_id: MatrixRoomID, user_id: MatrixUserID, create: bool = True
-                          ) -> UserProfile:
-        key = (room_id, user_id)
-        try:
-            return self.profile_cache[key]
-        except KeyError:
-            pass
-
-        profile = UserProfile.query.get(key)
-        if profile:
-            self.profile_cache[key] = profile
-        elif create:
-            profile = UserProfile(room_id=room_id, user_id=user_id)
-            self.db.add(profile)
-            self.db.commit()
-            self.profile_cache[key] = profile
-        return profile
-
-    def get_member(self, room: MatrixRoomID, user: MatrixUserID) -> Dict:
-        return self._get_user_profile(room, user).dict()
-
-    def set_member(self, room: MatrixRoomID, user: MatrixUserID, member: Dict) -> None:
-        profile = self._get_user_profile(room, user)
-        profile.membership = member.get("membership", profile.membership or "leave")
-        profile.displayname = member.get("displayname", profile.displayname)
-        profile.avatar_url = member.get("avatar_url", profile.avatar_url)
-        self.db.commit()
-
-    def set_membership(self, room: MatrixRoomID, user: MatrixUserID, membership: str) -> None:
-        self.set_member(room, user, {
-            "membership": membership,
-        })
-
-    def _get_room_state(self, room_id: MatrixRoomID, create: bool = True) -> RoomState:
-        try:
-            return self.room_state_cache[room_id]
-        except KeyError:
-            pass
-
-        room = RoomState.query.get(room_id)
-        if room:
-            self.room_state_cache[room_id] = room
-        elif create:
-            room = RoomState(room_id=room_id)
-            self.room_state_cache[room_id] = room
-        return room
-
-    def has_power_levels(self, room: MatrixRoomID) -> bool:
-        return self._get_room_state(room).has_power_levels
-
-    def get_power_levels(self, room: MatrixRoomID) -> Dict:
-        return self._get_room_state(room).power_levels
-
-    def set_power_level(self, room: MatrixRoomID, user: MatrixUserID, level: int) -> None:
-        room_state = self._get_room_state(room)
-        power_levels = room_state.power_levels
-        if not power_levels:
-            power_levels = {
-                "users": {},
-                "events": {},
-            }
-        power_levels[room]["users"][user] = level
-        room_state.power_levels = power_levels
-        self.db.commit()
-
-    def set_power_levels(self, room: MatrixRoomID, content: Dict) -> None:
-        state = self._get_room_state(room)
-        state.power_levels = content
-        self.db.commit()
+        else:
+            super().registered(user_id)

mautrix_telegram/tgclient.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -18,20 +17,23 @@ from typing import List, Union, Optional
 
 from telethon import TelegramClient, utils
 from telethon.tl.functions.messages import SendMediaRequest
-from telethon.tl.types import (
-    InputMediaUploadedDocument, InputMediaUploadedPhoto, TypeDocumentAttribute, TypeInputMedia,
-    TypeInputPeer, TypeMessageEntity, TypeMessageMedia, TypePeer)
-from telethon.tl import custom
+from telethon.tl.types import (InputMediaUploadedDocument, InputMediaUploadedPhoto,
+                               TypeDocumentAttribute, TypeInputMedia, TypeInputPeer,
+                               TypeMessageEntity, TypeMessageMedia, TypePeer)
+from telethon.tl.patched import Message
+from telethon.sessions.abstract import Session
 
 
 class MautrixTelegramClient(TelegramClient):
+    session: Session
+
     async def upload_file_direct(self, file: bytes, mime_type: str = None,
                                  attributes: List[TypeDocumentAttribute] = None,
-                                 file_name: str = None
+                                 file_name: str = None, max_image_size: float = 10 * 1000 ** 2,
                                  ) -> Union[InputMediaUploadedDocument, InputMediaUploadedPhoto]:
-        file_handle = await super().upload_file(file, file_name=file_name, use_cache=False)
+        file_handle = await super().upload_file(file, file_name=file_name)
 
-        if mime_type == "image/png" or mime_type == "image/jpeg":
+        if (mime_type == "image/png" or mime_type == "image/jpeg") and len(file) < max_image_size:
             return InputMediaUploadedPhoto(file_handle)
         else:
             attributes = attributes or []
@@ -45,7 +47,7 @@ class MautrixTelegramClient(TelegramClient):
     async def send_media(self, entity: Union[TypeInputPeer, TypePeer],
                          media: Union[TypeInputMedia, TypeMessageMedia],
                          caption: str = None, entities: List[TypeMessageEntity] = None,
-                         reply_to: int = None) -> Optional[custom.Message]:
+                         reply_to: int = None) -> Optional[Message]:
         entity = await self.get_input_entity(entity)
         reply_to = utils.get_message_id(reply_to)
         request = SendMediaRequest(entity, media, message=caption or "", entities=entities or [],

mautrix_telegram/types.py

@@ -1,9 +1,3 @@
-from typing import Dict, NewType
-
-MatrixUserID = NewType('MatrixUserID', str)
-MatrixRoomID = NewType('MatrixRoomID', str)
-MatrixEventID = NewType('MatrixEventID', str)
-
-MatrixEvent = NewType('MatrixEvent', Dict)
+from typing import NewType
 
 TelegramID = NewType('TelegramID', int)

mautrix_telegram/user.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,22 +13,24 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Coroutine, Dict, List, Match, NewType, Optional, Tuple, cast, TYPE_CHECKING
+from typing import (Awaitable, Dict, List, Iterable, NewType, Optional, Tuple, Any, cast,
+                    TYPE_CHECKING)
 import logging
 import asyncio
-import re
 
-from telethon.tl.types import (
-    TypeUpdate, UpdateNewMessage, UpdateNewChannelMessage, PeerUser,
-    UpdateShortChatMessage, UpdateShortMessage)
-from telethon.tl.types import User as TLUser
+from telethon.tl.types import (TypeUpdate, UpdateNewMessage, UpdateNewChannelMessage, PeerUser,
+                               UpdateShortChatMessage, UpdateShortMessage, User as TLUser, Chat)
 from telethon.tl.types.contacts import ContactsNotModified
 from telethon.tl.functions.contacts import GetContactsRequest, SearchRequest
 from telethon.tl.functions.account import UpdateStatusRequest
-from mautrix_appservice import MatrixRequestError
 
-from .types import MatrixUserID, TelegramID
-from .db import User as DBUser, Contact as DBContact, Portal as DBPortal
+from mautrix.client import Client
+from mautrix.errors import MatrixRequestError
+from mautrix.types import UserID
+from mautrix.bridge import BaseUser
+
+from .types import TelegramID
+from .db import User as DBUser
 from .abstract_user import AbstractUser
 from . import portal as po, puppet as pu
 
@@ -37,36 +38,46 @@ if TYPE_CHECKING:
     from .config import Config
     from .context import Context
 
-config = None  # type: Config
+config: Optional['Config'] = None
 
 SearchResult = NewType('SearchResult', Tuple['pu.Puppet', int])
 
 
-class User(AbstractUser):
-    log = logging.getLogger("mau.user")  # type: logging.Logger
-    by_mxid = {}  # type: Dict[str, User]
-    by_tgid = {}  # type: Dict[int, User]
+class User(AbstractUser, BaseUser):
+    log: logging.Logger = logging.getLogger("mau.user")
+    by_mxid: Dict[str, 'User'] = {}
+    by_tgid: Dict[int, 'User'] = {}
 
-    def __init__(self, mxid: MatrixUserID, tgid: Optional[TelegramID] = None,
+    phone: Optional[str]
+    contacts: List['pu.Puppet']
+    saved_contacts: int
+    portals: Dict[Tuple[TelegramID, TelegramID], 'po.Portal']
+    command_status: Optional[Dict[str, Any]]
+
+    _db_instance: Optional[DBUser]
+    _ensure_started_lock: asyncio.Lock
+
+    def __init__(self, mxid: UserID, tgid: Optional[TelegramID] = None,
                  username: Optional[str] = None, phone: Optional[str] = None,
-                 db_contacts: Optional[List[DBContact]] = None,
+                 db_contacts: Optional[Iterable[TelegramID]] = None,
                  saved_contacts: int = 0, is_bot: bool = False,
-                 db_portals: Optional[List[DBPortal]] = None,
+                 db_portals: Optional[Iterable[Tuple[TelegramID, TelegramID]]] = None,
                  db_instance: Optional[DBUser] = None) -> None:
         super().__init__()
-        self.mxid = mxid  # type: MatrixUserID
-        self.tgid = tgid  # type: TelegramID
-        self.is_bot = is_bot  # type: bool
-        self.username = username  # type: str
-        self.phone = phone  # type: str
-        self.contacts = []  # type: List[pu.Puppet]
-        self.saved_contacts = saved_contacts  # type: int
-        self.db_contacts = db_contacts  # type: List[DBContact]
-        self.portals = {}  # type: Dict[Tuple[int, int], po.Portal]
-        self.db_portals = db_portals or []  # type: List[DBPortal]
-        self._db_instance = db_instance  # type: Optional[DBUser]
+        self.mxid = mxid
+        self.tgid = tgid
+        self.is_bot = is_bot
+        self.username = username
+        self.phone = phone
+        self.contacts = []
+        self.saved_contacts = saved_contacts
+        self.db_contacts = db_contacts
+        self.portals = {}
+        self.db_portals = db_portals or []
+        self._db_instance = db_instance
+        self._ensure_started_lock = asyncio.Lock()
 
-        self.command_status = None  # type: Dict
+        self.command_status = None
 
         (self.relaybot_whitelisted,
          self.whitelisted,
@@ -79,14 +90,16 @@ class User(AbstractUser):
         if tgid:
             self.by_tgid[tgid] = self
 
+        self.log = self.log.getChild(self.mxid)
+
     @property
     def name(self) -> str:
         return self.mxid
 
     @property
     def mxid_localpart(self) -> str:
-        match = re.compile("@(.+):(.+)").match(self.mxid)  # type: Match
-        return match.group(1)
+        localpart, server = Client.parse_user_id(self.mxid)
+        return localpart
 
     @property
     def human_tg_id(self) -> str:
@@ -98,24 +111,30 @@ class User(AbstractUser):
         return self.mxid_localpart
 
     @property
-    def db_contacts(self) -> List[DBContact]:
-        return [self.db.merge(DBContact(user=self.tgid, contact=puppet.id))
-                for puppet in self.contacts]
-
-    @db_contacts.setter
-    def db_contacts(self, contacts: List[DBContact]) -> None:
-        self.contacts = [pu.Puppet.get(entry.contact) for entry in contacts] if contacts else []
+    def plain_displayname(self) -> str:
+        return self.displayname
 
     @property
-    def db_portals(self) -> List[DBPortal]:
-        return [portal.db_instance for portal in self.portals.values() if not portal.deleted]
+    def db_contacts(self) -> Iterable[TelegramID]:
+        return (puppet.id
+                for puppet in self.contacts
+                if puppet)
+
+    @db_contacts.setter
+    def db_contacts(self, contacts: Iterable[TelegramID]) -> None:
+        self.contacts = [pu.Puppet.get(entry) for entry in contacts] if contacts else []
+
+    @property
+    def db_portals(self) -> Iterable[Tuple[TelegramID, TelegramID]]:
+        return (portal.tgid_full
+                for portal in self.portals.values()
+                if portal and not portal.deleted)
 
     @db_portals.setter
-    def db_portals(self, portals: List[DBPortal]) -> None:
+    def db_portals(self, portals: Iterable[Tuple[TelegramID, TelegramID]]) -> None:
         self.portals = {
-            (portal.tgid, portal.tg_receiver): po.Portal.get_by_tgid(portal.tgid,
-                                                                     portal.tg_receiver)
-            for portal in portals
+            tgid_full: po.Portal.get_by_tgid(*tgid_full)
+            for tgid_full in portals
         } if portals else {}
 
     # region Database conversion
@@ -128,27 +147,24 @@ class User(AbstractUser):
 
     def new_db_instance(self) -> DBUser:
         return DBUser(mxid=self.mxid, tgid=self.tgid, tg_username=self.username,
-                      contacts=self.db_contacts, saved_contacts=self.saved_contacts,
-                      portals=self.db_portals)
+                      saved_contacts=self.saved_contacts, portals=self.db_portals)
 
-    def save(self) -> None:
-        self.db_instance.tgid = self.tgid
-        self.db_instance.tg_username = self.username
-        self.db_instance.tg_phone = self.phone
-        self.db_instance.contacts = self.db_contacts
-        self.db_instance.saved_contacts = self.saved_contacts
-        self.db_instance.portals = self.db_portals
-        self.db.commit()
+    def save(self, contacts: bool = False, portals: bool = False) -> None:
+        self.db_instance.edit(tgid=self.tgid, tg_username=self.username, tg_phone=self.phone,
+                              saved_contacts=self.saved_contacts)
+        if contacts:
+            self.db_instance.contacts = self.db_contacts
+        if portals:
+            self.db_instance.portals = self.db_portals
 
-    def delete(self) -> None:
+    def delete(self, delete_db: bool = True) -> None:
         try:
             del self.by_mxid[self.mxid]
             del self.by_tgid[self.tgid]
         except KeyError:
             pass
-        if self._db_instance:
-            self.db.delete(self._db_instance)
-            self.db.commit()
+        if delete_db and self._db_instance:
+            self._db_instance.delete()
 
     @classmethod
     def from_db(cls, db_user: DBUser) -> 'User':
@@ -159,6 +175,18 @@ class User(AbstractUser):
     # endregion
     # region Telegram connection management
 
+    async def try_ensure_started(self) -> None:
+        try:
+            await self.ensure_started()
+        except Exception:
+            self.log.exception("Exception in ensure_started")
+
+    async def ensure_started(self, even_if_no_session=False) -> 'User':
+        if not self.puppet_whitelisted or self.connected:
+            return self
+        async with self._ensure_started_lock:
+            return cast(User, await super().ensure_started(even_if_no_session))
+
     async def start(self, delete_unless_authenticated: bool = False) -> 'User':
         await super().start()
         if await self.is_logged_in():
@@ -173,11 +201,9 @@ class User(AbstractUser):
     async def post_login(self, info: TLUser = None) -> None:
         try:
             await self.update_info(info)
-            if not self.is_bot:
+            if not self.is_bot and config["bridge.startup_sync"]:
                 await self.sync_dialogs()
                 await self.sync_contacts()
-            if config["bridge.catch_up"]:
-                await self.client.catch_up()
         except Exception:
             self.log.exception("Failed to run post-login functions for %s", self.mxid)
 
@@ -193,7 +219,7 @@ class User(AbstractUser):
             else:
                 portal = po.Portal.get_by_entity(message.to_id, receiver_id=self.tgid)
         elif isinstance(update, UpdateShortChatMessage):
-            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
+            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id))
         elif isinstance(update, UpdateShortMessage):
             portal = po.Portal.get_by_tgid(TelegramID(update.user_id), self.tgid, "user")
         else:
@@ -201,15 +227,14 @@ class User(AbstractUser):
 
         if portal:
             self.register_portal(portal)
+            return False
 
+        # Don't bother handling the update
         return True
 
     # endregion
     # region Telegram actions that need custom methods
 
-    def ensure_started(self, even_if_no_session: bool = False) -> Coroutine[None, None, 'User']:
-        return cast(Coroutine[None, None, 'User'], super().ensure_started(even_if_no_session))
-
     async def set_presence(self, online: bool = True) -> None:
         if not self.is_bot:
             await self.client(UpdateStatusRequest(offline=not online))
@@ -227,7 +252,7 @@ class User(AbstractUser):
             self.phone = info.phone
             changed = True
         if self.tgid != info.id:
-            self.tgid = info.id
+            self.tgid = TelegramID(info.id)
             self.by_tgid[self.tgid] = self
         if changed:
             self.save()
@@ -237,15 +262,16 @@ class User(AbstractUser):
         if puppet.is_real_user:
             await puppet.switch_mxid(None, None)
         for _, portal in self.portals.items():
-            if not portal.mxid or portal.has_bot:
+            if not portal or portal.deleted or not portal.mxid or portal.has_bot:
                 continue
             try:
-                await portal.main_intent.kick(portal.mxid, self.mxid, "Logged out of Telegram.")
+                await portal.main_intent.kick_user(portal.mxid, self.mxid,
+                                                   "Logged out of Telegram.")
             except MatrixRequestError:
                 pass
         self.portals = {}
         self.contacts = []
-        self.save()
+        self.save(portals=True, contacts=True)
         if self.tgid:
             try:
                 del self.by_tgid[self.tgid]
@@ -261,7 +287,7 @@ class User(AbstractUser):
 
     def _search_local(self, query: str, max_results: int = 5, min_similarity: int = 45
                       ) -> List[SearchResult]:
-        results = []  # type: List[SearchResult]
+        results: List[SearchResult] = []
         for contact in self.contacts:
             similarity = contact.similarity(query)
             if similarity >= min_similarity:
@@ -273,7 +299,7 @@ class User(AbstractUser):
         if len(query) < 5:
             return []
         server_results = await self.client(SearchRequest(q=query, limit=max_results))
-        results = []  # type: List[SearchResult]
+        results: List[SearchResult] = []
         for user in server_results.users:
             puppet = pu.Puppet.get(user.id)
             await puppet.update_info(self, user)
@@ -293,15 +319,27 @@ class User(AbstractUser):
         return await self._search_remote(query), True
 
     async def sync_dialogs(self, synchronous_create: bool = False) -> None:
+        if self.is_bot:
+            return
         creators = []
-        for entity in await self.get_dialogs(limit=30):
+        limit = config["bridge.sync_dialog_limit"] or None
+        self.log.debug(f"Syncing dialogs (limit={limit}, synchronous_create={synchronous_create})")
+        async for dialog in self.client.iter_dialogs(limit=limit, ignore_migrated=True,
+                                                     archived=False):
+            entity = dialog.entity
+            if isinstance(entity, Chat) and (entity.deactivated or entity.left):
+                self.log.warning(f"Ignoring deactivated or left chat {entity} while syncing")
+                continue
+            elif isinstance(entity, TLUser) and not config["bridge.sync_direct_chats"]:
+                continue
             portal = po.Portal.get_by_entity(entity)
             self.portals[portal.tgid_full] = portal
             creators.append(
                 portal.create_matrix_room(self, entity, invites=[self.mxid],
                                           synchronous=synchronous_create))
-        self.save()
+        self.save(portals=True)
         await asyncio.gather(*creators, loop=self.loop)
+        self.log.debug("Dialog syncing complete")
 
     def register_portal(self, portal: po.Portal) -> None:
         try:
@@ -310,43 +348,43 @@ class User(AbstractUser):
         except KeyError:
             pass
         self.portals[portal.tgid_full] = portal
-        self.save()
+        self.save(portals=True)
 
     def unregister_portal(self, portal: po.Portal) -> None:
         try:
             del self.portals[portal.tgid_full]
-            self.save()
+            self.save(portals=True)
         except KeyError:
             pass
 
     async def needs_relaybot(self, portal: po.Portal) -> bool:
         return not await self.is_logged_in() or (
-            self.is_bot and portal.tgid_full not in self.portals)
+            (portal.has_bot or self.is_bot) and portal.tgid_full not in self.portals)
 
     def _hash_contacts(self) -> int:
         acc = 0
-        for id in sorted([self.saved_contacts] + [contact.id for contact in self.contacts]):
-            acc = (acc * 20261 + id) & 0xffffffff
+        for contact in sorted([self.saved_contacts] + [contact.id for contact in self.contacts]):
+            acc = (acc * 20261 + contact) & 0xffffffff
         return acc & 0x7fffffff
 
     async def sync_contacts(self) -> None:
         response = await self.client(GetContactsRequest(hash=self._hash_contacts()))
         if isinstance(response, ContactsNotModified):
             return
-        self.log.debug("Updating contacts...")
+        self.log.debug(f"Updating contacts of {self.name}...")
         self.contacts = []
         self.saved_contacts = response.saved_count
         for user in response.users:
             puppet = pu.Puppet.get(user.id)
             await puppet.update_info(self, user)
             self.contacts.append(puppet)
-        self.save()
+        self.save(contacts=True)
 
     # endregion
     # region Class instance lookup
 
     @classmethod
-    def get_by_mxid(cls, mxid: MatrixUserID, create: bool = True) -> Optional['User']:
+    def get_by_mxid(cls, mxid: UserID, create: bool = True) -> Optional['User']:
         if not mxid:
             raise ValueError("Matrix ID can't be empty")
 
@@ -355,27 +393,26 @@ class User(AbstractUser):
         except KeyError:
             pass
 
-        user = DBUser.query.get(mxid)
+        user = DBUser.get_by_mxid(mxid)
         if user:
             user = cls.from_db(user)
             return user
 
         if create:
             user = cls(mxid)
-            cls.db.add(user.db_instance)
-            cls.db.commit()
+            user.db_instance.insert()
             return user
 
         return None
 
     @classmethod
-    def get_by_tgid(cls, tgid: int) -> Optional['User']:
+    def get_by_tgid(cls, tgid: TelegramID) -> Optional['User']:
         try:
             return cls.by_tgid[tgid]
         except KeyError:
             pass
 
-        user = DBUser.query.filter(DBUser.tgid == tgid).one_or_none()
+        user = DBUser.get_by_tgid(tgid)
         if user:
             user = cls.from_db(user)
             return user
@@ -387,11 +424,13 @@ class User(AbstractUser):
         if not username:
             return None
 
+        username = username.lower()
+
         for _, user in cls.by_tgid.items():
-            if user.username and user.username.lower() == username.lower():
+            if user.username and user.username.lower() == username:
                 return user
 
-        puppet = DBUser.query.filter(DBUser.tg_username == username).one_or_none()
+        puppet = DBUser.get_by_username(username)
         if puppet:
             return cls.from_db(puppet)
 
@@ -399,9 +438,9 @@ class User(AbstractUser):
     # endregion
 
 
-def init(context: 'Context') -> List[Coroutine]:  # [None, None, AbstractUser]
+def init(context: 'Context') -> Iterable[Awaitable['User']]:
     global config
     config = context.config
 
-    users = [User.from_db(user) for user in DBUser.query.all()]
-    return [user.ensure_started() for user in users]
+    return (User.from_db(db_user).try_ensure_started()
+            for db_user in DBUser.all_with_tgid())

mautrix_telegram/util/__init__.py

@@ -1,4 +1,5 @@
 from .file_transfer import transfer_file_to_matrix, convert_image
+from .parallel_file_transfer import parallel_transfer_to_telegram
 from .format_duration import format_duration
-from .signed_token import sign_token, verify_token
 from .recursive_dict import recursive_del, recursive_set, recursive_get
+from .color_log import ColorFormatter

mautrix_telegram/util/color_log.py

@@ -0,0 +1,29 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from mautrix.util.color_log import ColorFormatter as BaseColorFormatter, PREFIX, MXID_COLOR, RESET
+
+TELETHON_COLOR = PREFIX + "35;1m"  # magenta
+TELETHON_MODULE_COLOR = PREFIX + "35m"
+
+
+class ColorFormatter(BaseColorFormatter):
+    def _color_name(self, module: str) -> str:
+        if module.startswith("telethon"):
+            prefix, user_id, module = module.split(".", 2)
+            return (f"{TELETHON_COLOR}{prefix}{RESET}."
+                    f"{MXID_COLOR}{user_id}{RESET}."
+                    f"{TELETHON_MODULE_COLOR}{module}{RESET}")
+        return super()._color_name(module)

mautrix_telegram/util/file_transfer.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -21,23 +20,27 @@ import logging
 import asyncio
 
 import magic
-from sqlalchemy import orm
 from sqlalchemy.exc import IntegrityError, InvalidRequestError
-from sqlalchemy.orm.exc import FlushError
 
-from telethon.tl.types import (Document, FileLocation, InputFileLocation,
-                               InputDocumentFileLocation, PhotoSize, PhotoCachedSize)
+from telethon.tl.types import (Document, InputFileLocation, InputDocumentFileLocation,
+                               TypePhotoSize, PhotoSize, PhotoCachedSize, InputPhotoFileLocation,
+                               InputPeerPhotoFileLocation)
 from telethon.errors import (AuthBytesInvalidError, AuthKeyInvalidError, LocationInvalidError,
-                             SecurityError)
-from mautrix_appservice import IntentAPI
+                             SecurityError, FileIdInvalidError)
+
+from mautrix.appservice import IntentAPI
+
 
 from ..tgclient import MautrixTelegramClient
 from ..db import TelegramFile as DBTelegramFile
+from ..util import sane_mimetypes
+from .parallel_file_transfer import parallel_transfer_to_matrix
 
 try:
     from PIL import Image
 except ImportError:
     Image = None
+
 try:
     from moviepy.editor import VideoFileClip
     import random
@@ -47,9 +50,12 @@ try:
 except ImportError:
     VideoFileClip = random = string = os = mimetypes = None
 
-log = logging.getLogger("mau.util")  # type: logging.Logger
+from .tgs_converter import convert_tgs_to
 
-TypeLocation = Union[Document, InputDocumentFileLocation, FileLocation, InputFileLocation]
+log: logging.Logger = logging.getLogger("mau.util")
+
+TypeLocation = Union[Document, InputDocumentFileLocation, InputPeerPhotoFileLocation,
+                     InputFileLocation, InputPhotoFileLocation]
 
 
 def convert_image(file: bytes, source_mime: str = "image/webp", target_type: str = "png",
@@ -58,7 +64,7 @@ def convert_image(file: bytes, source_mime: str = "image/webp", target_type: str
     if not Image:
         return source_mime, file, None, None
     try:
-        image = Image.open(BytesIO(file)).convert("RGBA")  # type: Image.Image
+        image: Image.Image = Image.open(BytesIO(file)).convert("RGBA")
         if thumbnail_to:
             image.thumbnail(thumbnail_to, Image.ANTIALIAS)
         new_file = BytesIO()
@@ -101,9 +107,11 @@ def _read_video_thumbnail(data: bytes, video_ext: str = "mp4", frame_ext: str =
 
 
 def _location_to_id(location: TypeLocation) -> str:
-    if isinstance(location, (Document, InputDocumentFileLocation)):
-        return f"{location.id}-{location.version}"
-    elif isinstance(location, (FileLocation, InputFileLocation)):
+    if isinstance(location, Document):
+        return f"{location.id}-{location.access_hash}"
+    elif isinstance(location, (InputDocumentFileLocation, InputPhotoFileLocation)):
+        return f"{location.id}-{location.access_hash}-{location.thumb_size}"
+    elif isinstance(location, (InputFileLocation, InputPeerPhotoFileLocation)):
         return f"{location.volume_id}-{location.local_id}"
 
 
@@ -117,8 +125,12 @@ async def transfer_thumbnail_to_matrix(client: MautrixTelegramClient, intent: In
     if not loc_id:
         return None
 
-    video_ext = mimetypes.guess_extension(mime)
-    if VideoFileClip and video_ext:
+    db_file = DBTelegramFile.get(loc_id)
+    if db_file:
+        return db_file
+
+    video_ext = sane_mimetypes.guess_extension(mime)
+    if VideoFileClip and video_ext and video:
         try:
             file, width, height = _read_video_thumbnail(video, video_ext, frame_ext="png")
         except OSError:
@@ -129,24 +141,35 @@ async def transfer_thumbnail_to_matrix(client: MautrixTelegramClient, intent: In
         width, height = None, None
         mime_type = magic.from_buffer(file, mime=True)
 
-    content_uri = await intent.upload_file(file, mime_type)
+    content_uri = await intent.upload_media(file, mime_type)
 
-    return DBTelegramFile(id=loc_id, mxc=content_uri, mime_type=mime_type,
-                          was_converted=False, timestamp=int(time.time()), size=len(file),
-                          width=width, height=height)
+    db_file = DBTelegramFile(id=loc_id, mxc=content_uri, mime_type=mime_type,
+                             was_converted=False, timestamp=int(time.time()), size=len(file),
+                             width=width, height=height)
+    try:
+        db_file.insert()
+    except (IntegrityError, InvalidRequestError) as e:
+        log.exception(f"{e.__class__.__name__} while saving transferred file thumbnail data. "
+                      "This was probably caused by two simultaneous transfers of the same file, "
+                      "and might (but probably won't) cause problems with thumbnails or something.")
+    return db_file
 
 
-transfer_locks = {}  # type: Dict[str, asyncio.Lock]
+transfer_locks: Dict[str, asyncio.Lock] = {}
+
+TypeThumbnail = Optional[Union[TypeLocation, TypePhotoSize]]
 
 
-async def transfer_file_to_matrix(db: orm.Session, client: MautrixTelegramClient, intent: IntentAPI,
-                                  location: TypeLocation, thumbnail: Optional[TypeLocation] = None,
-                                  is_sticker: bool = False) -> Optional[DBTelegramFile]:
+async def transfer_file_to_matrix(client: MautrixTelegramClient, intent: IntentAPI,
+                                  location: TypeLocation, thumbnail: TypeThumbnail = None,
+                                  is_sticker: bool = False, tgs_convert: Optional[dict] = None,
+                                  filename: Optional[str] = None, parallel_id: Optional[int] = None
+                                  ) -> Optional[DBTelegramFile]:
     location_id = _location_to_id(location)
     if not location_id:
         return None
 
-    db_file = DBTelegramFile.query.get(location_id)
+    db_file = DBTelegramFile.get(location_id)
     if db_file:
         return db_file
 
@@ -156,44 +179,62 @@ async def transfer_file_to_matrix(db: orm.Session, client: MautrixTelegramClient
         lock = asyncio.Lock()
         transfer_locks[location_id] = lock
     async with lock:
-        return await _unlocked_transfer_file_to_matrix(db, client, intent, location_id, location,
-                                                       thumbnail, is_sticker)
+        return await _unlocked_transfer_file_to_matrix(client, intent, location_id, location,
+                                                       thumbnail, is_sticker, tgs_convert,
+                                                       filename, parallel_id)
 
 
-async def _unlocked_transfer_file_to_matrix(db: orm.Session, client: MautrixTelegramClient,
-                                            intent: IntentAPI, loc_id: str, location: TypeLocation,
-                                            thumbnail: Optional[TypeLocation],
-                                            is_sticker: bool) -> Optional[DBTelegramFile]:
-    db_file = DBTelegramFile.query.get(loc_id)
+async def _unlocked_transfer_file_to_matrix(client: MautrixTelegramClient, intent: IntentAPI,
+                                            loc_id: str, location: TypeLocation,
+                                            thumbnail: TypeThumbnail, is_sticker: bool,
+                                            tgs_convert: Optional[dict], filename: Optional[str],
+                                            parallel_id: Optional[int]
+                                            ) -> Optional[DBTelegramFile]:
+    db_file = DBTelegramFile.get(loc_id)
     if db_file:
         return db_file
 
-    try:
-        file = await client.download_file(location)
-    except LocationInvalidError:
-        return None
-    except (AuthBytesInvalidError, AuthKeyInvalidError, SecurityError) as e:
-        log.exception(f"{e.__class__.__name__} while downloading a file.")
-        return None
+    if parallel_id and isinstance(location, Document) and (not is_sticker or not tgs_convert):
+        db_file = await parallel_transfer_to_matrix(client, intent, loc_id, location, filename,
+                                                    parallel_id)
+        mime_type = location.mime_type
+        file = None
+    else:
+        try:
+            file = await client.download_file(location)
+        except (LocationInvalidError, FileIdInvalidError):
+            return None
+        except (AuthBytesInvalidError, AuthKeyInvalidError, SecurityError) as e:
+            log.exception(f"{e.__class__.__name__} while downloading a file.")
+            return None
 
-    width, height = None, None
-    mime_type = magic.from_buffer(file, mime=True)
+        width, height = None, None
+        mime_type = magic.from_buffer(file, mime=True)
 
-    image_converted = False
-    if mime_type == "image/webp":
-        new_mime_type, file, width, height = convert_image(
-            file, source_mime="image/webp", target_type="png",
-            thumbnail_to=(256, 256) if is_sticker else None)
-        image_converted = new_mime_type != mime_type
-        mime_type = new_mime_type
-        thumbnail = None
+        image_converted = False
+        # A weird bug in alpine/magic makes it return application/octet-stream for gzips...
+        if is_sticker and tgs_convert and (mime_type == "application/gzip" or (
+               mime_type == "application/octet-stream"
+               and magic.from_buffer(file).startswith("gzip"))):
+            mime_type, file, width, height = await convert_tgs_to(
+                file, tgs_convert["target"], **tgs_convert["args"])
+            thumbnail = None
+            image_converted = mime_type != "application/gzip"
 
-    content_uri = await intent.upload_file(file, mime_type)
+        if mime_type == "image/webp":
+            new_mime_type, file, width, height = convert_image(
+                file, source_mime="image/webp", target_type="png",
+                thumbnail_to=(256, 256) if is_sticker else None)
+            image_converted = new_mime_type != mime_type
+            mime_type = new_mime_type
+            thumbnail = None
 
-    db_file = DBTelegramFile(id=loc_id, mxc=content_uri,
-                             mime_type=mime_type, was_converted=image_converted,
-                             timestamp=int(time.time()), size=len(file),
-                             width=width, height=height)
+        content_uri = await intent.upload_media(file, mime_type)
+
+        db_file = DBTelegramFile(id=loc_id, mxc=content_uri,
+                                 mime_type=mime_type, was_converted=image_converted,
+                                 timestamp=int(time.time()), size=len(file),
+                                 width=width, height=height)
     if thumbnail and (mime_type.startswith("video/") or mime_type == "image/gif"):
         if isinstance(thumbnail, (PhotoSize, PhotoCachedSize)):
             thumbnail = thumbnail.location
@@ -201,16 +242,9 @@ async def _unlocked_transfer_file_to_matrix(db: orm.Session, client: MautrixTele
                                                                mime_type)
 
     try:
-        db.add(db_file)
-        db.commit()
-    except FlushError as e:
-        log.exception(f"{e.__class__.__name__} while saving transferred file data. "
-                      "This was probably caused by two simultaneous transfers of the same file, "
-                      "and should not cause any problems.")
+        db_file.insert()
     except (IntegrityError, InvalidRequestError) as e:
-        db.rollback()
         log.exception(f"{e.__class__.__name__} while saving transferred file data. "
                       "This was probably caused by two simultaneous transfers of the same file, "
                       "and should not cause any problems.")
-
     return db_file

mautrix_telegram/util/format_duration.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by

mautrix_telegram/util/parallel_file_transfer.py

@@ -0,0 +1,298 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2019 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional, List, AsyncGenerator, Union, Awaitable, DefaultDict, Tuple
+from collections import defaultdict
+import hashlib
+import asyncio
+import logging
+import time
+import math
+
+from aiohttp import ClientResponse
+
+from telethon.tl.types import (Document, InputFileLocation, InputDocumentFileLocation,
+                               InputPhotoFileLocation, InputPeerPhotoFileLocation, TypeInputFile,
+                               InputFileBig, InputFile)
+from telethon.tl.functions.auth import ExportAuthorizationRequest, ImportAuthorizationRequest
+from telethon.tl.functions.upload import (GetFileRequest, SaveFilePartRequest,
+                                          SaveBigFilePartRequest)
+from telethon.network import MTProtoSender
+from telethon.crypto import AuthKey
+from telethon import utils, helpers
+
+from mautrix.appservice import IntentAPI
+from mautrix.types import ContentURI
+
+from ..tgclient import MautrixTelegramClient
+from ..db import TelegramFile as DBTelegramFile
+
+log: logging.Logger = logging.getLogger("mau.util")
+
+TypeLocation = Union[Document, InputDocumentFileLocation, InputPeerPhotoFileLocation,
+                     InputFileLocation, InputPhotoFileLocation]
+
+
+class DownloadSender:
+    sender: MTProtoSender
+    request: GetFileRequest
+    remaining: int
+    stride: int
+
+    def __init__(self, sender: MTProtoSender, file: TypeLocation, offset: int, limit: int,
+                 stride: int, count: int) -> None:
+        self.sender = sender
+        self.request = GetFileRequest(file, offset=offset, limit=limit)
+        self.stride = stride
+        self.remaining = count
+
+    async def next(self) -> Optional[bytes]:
+        if not self.remaining:
+            return None
+        result = await self.sender.send(self.request)
+        self.remaining -= 1
+        self.request.offset += self.stride
+        return result.bytes
+
+    def disconnect(self) -> Awaitable[None]:
+        return self.sender.disconnect()
+
+
+class UploadSender:
+    sender: MTProtoSender
+    request: Union[SaveFilePartRequest, SaveBigFilePartRequest]
+    part_count: int
+    stride: int
+    previous: Optional[asyncio.Task]
+    loop: asyncio.AbstractEventLoop
+
+    def __init__(self, sender: MTProtoSender, file_id: int, part_count: int, big: bool, index: int,
+                 stride: int, loop: asyncio.AbstractEventLoop) -> None:
+        self.sender = sender
+        self.part_count = part_count
+        if big:
+            self.request = SaveBigFilePartRequest(file_id, index, part_count, b"")
+        else:
+            self.request = SaveFilePartRequest(file_id, index, b"")
+        self.stride = stride
+        self.previous = None
+        self.loop = loop
+
+    async def next(self, data: bytes) -> None:
+        if self.previous:
+            await self.previous
+        self.previous = self.loop.create_task(self._next(data))
+
+    async def _next(self, data: bytes) -> None:
+        self.request.bytes = data
+        log.debug(f"Sending file part {self.request.file_part}/{self.part_count}"
+                  f" with {len(data)} bytes")
+        await self.sender.send(self.request)
+        self.request.file_part += self.stride
+
+    async def disconnect(self) -> None:
+        if self.previous:
+            await self.previous
+        return await self.sender.disconnect()
+
+
+class ParallelTransferrer:
+    client: MautrixTelegramClient
+    loop: asyncio.AbstractEventLoop
+    dc_id: int
+    senders: Optional[List[Union[DownloadSender, UploadSender]]]
+    auth_key: AuthKey
+    upload_ticker: int
+
+    def __init__(self, client: MautrixTelegramClient, dc_id: Optional[int] = None) -> None:
+        self.client = client
+        self.loop = self.client.loop
+        self.dc_id = dc_id or self.client.session.dc_id
+        self.auth_key = (None if dc_id and self.client.session.dc_id != dc_id
+                         else self.client.session.auth_key)
+        self.senders = None
+        self.upload_ticker = 0
+
+    async def _cleanup(self) -> None:
+        await asyncio.gather(*[sender.disconnect() for sender in self.senders])
+        self.senders = None
+
+    @staticmethod
+    def _get_connection_count(file_size: int, max_count: int = 20,
+                              full_size: int = 100 * 1024 * 1024) -> int:
+        if file_size > full_size:
+            return max_count
+        return math.ceil((file_size / full_size) * max_count)
+
+    async def _init_download(self, connections: int, file: TypeLocation, part_count: int,
+                             part_size: int) -> None:
+        minimum, remainder = divmod(part_count, connections)
+
+        def get_part_count() -> int:
+            nonlocal remainder
+            if remainder > 0:
+                remainder -= 1
+                return minimum + 1
+            return minimum
+
+        # The first cross-DC sender will export+import the authorization, so we always create it
+        # before creating any other senders.
+        self.senders = [
+            await self._create_download_sender(file, 0, part_size, connections * part_size,
+                                               get_part_count()),
+            *await asyncio.gather(
+                *[self._create_download_sender(file, i, part_size, connections * part_size,
+                                               get_part_count())
+                  for i in range(1, connections)])
+        ]
+
+    async def _create_download_sender(self, file: TypeLocation, index: int, part_size: int,
+                                      stride: int,
+                                      part_count: int) -> DownloadSender:
+        return DownloadSender(await self._create_sender(), file, index * part_size, part_size,
+                              stride, part_count)
+
+    async def _init_upload(self, connections: int, file_id: int, part_count: int, big: bool
+                           ) -> None:
+        self.senders = [
+            await self._create_upload_sender(file_id, part_count, big, 0, connections),
+            *await asyncio.gather(
+                *[self._create_upload_sender(file_id, part_count, big, i, connections)
+                  for i in range(1, connections)])
+        ]
+
+    async def _create_upload_sender(self, file_id: int, part_count: int, big: bool, index: int,
+                                    stride: int) -> UploadSender:
+        return UploadSender(await self._create_sender(), file_id, part_count, big, index, stride,
+                            loop=self.loop)
+
+    async def _create_sender(self) -> MTProtoSender:
+        dc = await self.client._get_dc(self.dc_id)
+        sender = MTProtoSender(self.auth_key, self.loop, loggers=self.client._log)
+        await sender.connect(self.client._connection(dc.ip_address, dc.port, dc.id,
+                                                     loop=self.loop, loggers=self.client._log,
+                                                     proxy=self.client._proxy))
+        if not self.auth_key:
+            log.debug(f"Exporting auth to DC {self.dc_id}")
+            auth = await self.client(ExportAuthorizationRequest(self.dc_id))
+            req = self.client._init_with(ImportAuthorizationRequest(
+                id=auth.id, bytes=auth.bytes
+            ))
+            await sender.send(req)
+            self.auth_key = sender.auth_key
+        return sender
+
+    async def init_upload(self, file_id: int, file_size: int, part_size_kb: Optional[float] = None,
+                          connection_count: Optional[int] = None) -> Tuple[int, int, bool]:
+        connection_count = connection_count or self._get_connection_count(file_size)
+        part_size = (part_size_kb or utils.get_appropriated_part_size(file_size)) * 1024
+        part_count = (file_size + part_size - 1) // part_size
+        is_large = file_size > 10 * 1024 * 1024
+        await self._init_upload(connection_count, file_id, part_count, is_large)
+        return part_size, part_count, is_large
+
+    async def upload(self, part: bytes) -> None:
+        await self.senders[self.upload_ticker].next(part)
+        self.upload_ticker = (self.upload_ticker + 1) % len(self.senders)
+
+    async def finish_upload(self) -> None:
+        await self._cleanup()
+
+    async def download(self, file: TypeLocation, file_size: int,
+                       part_size_kb: Optional[float] = None,
+                       connection_count: Optional[int] = None) -> AsyncGenerator[bytes, None]:
+        connection_count = connection_count or self._get_connection_count(file_size)
+        part_size = (part_size_kb or utils.get_appropriated_part_size(file_size)) * 1024
+        part_count = math.ceil(file_size / part_size)
+        log.debug("Starting parallel download: "
+                  f"{connection_count} {part_size} {part_count} {file!s}")
+        await self._init_download(connection_count, file, part_count, part_size)
+
+        part = 0
+        while part < part_count:
+            tasks = []
+            for sender in self.senders:
+                tasks.append(self.loop.create_task(sender.next()))
+            for task in tasks:
+                data = await task
+                if not data:
+                    break
+                yield data
+                part += 1
+                log.debug(f"Part {part} downloaded")
+
+        log.debug("Parallel download finished, cleaning up connections")
+        await self._cleanup()
+
+
+parallel_transfer_locks: DefaultDict[int, asyncio.Lock] = defaultdict(lambda: asyncio.Lock())
+
+
+async def parallel_transfer_to_matrix(client: MautrixTelegramClient, intent: IntentAPI,
+                                      loc_id: str, location: TypeLocation, filename: str,
+                                      parallel_id: int) -> DBTelegramFile:
+    size = location.size
+    mime_type = location.mime_type
+    dc_id, location = utils.get_input_location(location)
+    # We lock the transfers because telegram has connection count limits
+    async with parallel_transfer_locks[parallel_id]:
+        downloader = ParallelTransferrer(client, dc_id)
+        content_uri = await intent.upload_media(downloader.download(location, size),
+                                                mime_type=mime_type, filename=filename, size=size)
+    return DBTelegramFile(id=loc_id, mxc=content_uri, mime_type=mime_type,
+                          was_converted=False, timestamp=int(time.time()), size=size,
+                          width=None, height=None)
+
+
+async def _internal_transfer_to_telegram(client: MautrixTelegramClient, response: ClientResponse
+                                         ) -> Tuple[TypeInputFile, int]:
+    file_id = helpers.generate_random_long()
+    file_size = response.content_length
+
+    hash_md5 = hashlib.md5()
+    uploader = ParallelTransferrer(client)
+    part_size, part_count, is_large = await uploader.init_upload(file_id, file_size)
+    buffer = bytearray()
+    async for data in response.content:
+        if not is_large:
+            hash_md5.update(data)
+        if len(buffer) == 0 and len(data) == part_size:
+            await uploader.upload(data)
+            continue
+        new_len = len(buffer) + len(data)
+        if new_len >= part_size:
+            cutoff = part_size - len(buffer)
+            buffer.extend(data[:cutoff])
+            await uploader.upload(bytes(buffer))
+            buffer.clear()
+            buffer.extend(data[cutoff:])
+        else:
+            buffer.extend(data)
+    if len(buffer) > 0:
+        await uploader.upload(bytes(buffer))
+    await uploader.finish_upload()
+    if is_large:
+        return InputFileBig(file_id, part_count, "upload"), file_size
+    else:
+        return InputFile(file_id, part_count, "upload", hash_md5.hexdigest()), file_size
+
+
+async def parallel_transfer_to_telegram(client: MautrixTelegramClient, intent: IntentAPI,
+                                        uri: ContentURI, parallel_id: int
+                                        ) -> Tuple[TypeInputFile, int]:
+    url = intent.api.get_download_url(uri)
+    async with parallel_transfer_locks[parallel_id]:
+        async with intent.api.session.get(url) as response:
+            return await _internal_transfer_to_telegram(client, response)

mautrix_telegram/util/recursive_dict.py

@@ -1,6 +1,5 @@
-# -*- coding: future_fstrings -*-
 # mautrix-telegram - A Matrix-Telegram puppeting bridge
-# Copyright (C) 2018 Tulir Asokan
+# Copyright (C) 2019 Tulir Asokan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -15,11 +14,12 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 from typing import Dict, Any
-from ..config import DictWithRecursion
+
+from mautrix.util.config import RecursiveDict
 
 
 def recursive_set(data: Dict[str, Any], key: str, value: Any) -> bool:
-    key, next_key = DictWithRecursion._parse_key(key)
+    key, next_key = RecursiveDict.parse_key(key)
     if next_key is not None:
         if key not in data:
             data[key] = {}
@@ -32,7 +32,7 @@ def recursive_set(data: Dict[str, Any], key: str, value: Any) -> bool:
 
 
 def recursive_get(data: Dict[str, Any], key: str) -> Any:
-    key, next_key = DictWithRecursion._parse_key(key)
+    key, next_key = RecursiveDict.parse_key(key)
     if next_key is not None:
         next_data = data.get(key, None)
         if not next_data:
@@ -42,7 +42,7 @@ def recursive_get(data: Dict[str, Any], key: str) -> Any:
 
 
 def recursive_del(data: Dict[str, any], key: str) -> bool:
-    key, next_key = DictWithRecursion._parse_key(key)
+    key, next_key = RecursiveDict.parse_key(key)
     if next_key is not None:
         if key not in data:
             return False