obfuscated2: only XOR bytes actually delivered on Read

Read called XORKeyStream(b, b) — XOR-ing the entire caller buffer even when the underlying transport returned fewer bytes. AES-CTR's keystream position is then advanced by len(b), but the peer only consumed n bytes' worth of keystream. After a single short read the two keystreams diverge for the lifetime of the connection, every subsequent MTProto message decrypts to garbage, and the engine fails with "consume message: decrypt: msg_key is invalid". The faketls layer makes short reads routine: each Read returns at most one TLS Application record's payload, regardless of how big the caller buffer is. So in practice the stream desynced almost immediately on high-traffic clients (active supergroups, post-relogin catch-up) and intermittently on quiet ones. Match the upstream gotd/td fix and only XOR the n bytes that came out of the transport. Add a regression test (chunkConn delivers ciphertext in 7-byte chunks; client reads through Obfuscated2.Read with a 128-byte buffer; plaintext must round-trip). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
faketls: skip ChangeCipherSpec records on read
2026-05-01 12:33:44 +03:00 · 2026-05-01 12:17:27 +03:00 · 2026-05-01 11:15:03 +03:00 · 2026-05-01 10:51:50 +03:00 · 2026-05-01 10:14:58 +03:00 · 2026-04-30 16:55:03 +03:00
18121 changed files with 955909 additions and 11598 deletions
@@ -1,8 +0,0 @@
-engines:
-  sonar-python:
-    enabled: true
-    checks:
-      python:S107:
-        enabled: false
-exclude_patterns:
- "alembic/"
@@ -1,4 +1,8 @@
 .editorconfig
-.codeclimate.yml
 *.png
 *.md
+logs
+start
+config.yaml
+registration.yaml
+*.db
@@ -8,8 +8,13 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true

-[*.py]
-max_line_length = 99
-
-[*.{yaml,yml,py}]
+[*.md]
+trim_trailing_whitespace = false
+indent_size = 2
 indent_style = space
+
+[*.{yaml,yml,sql}]
+indent_style = space
+
+[{.gitlab-ci.yml,.pre-commit-config.yaml,provisioning-spec.yaml,.github/workflows/*.yml}]
+indent_size = 2
@@ -0,0 +1,4 @@
+pkg/connector/humanise/errors.go linguist-generated=true
+pkg/gotd/tg/* linguist-generated=true
+tl_*_gen.go linguist-generated=true
+*.gen.go linguist-generated=true
@@ -0,0 +1,18 @@
+---
+name: Bug report
+about: If something is definitely wrong in the bridge (rather than just a setup issue),
+  file a bug report. Remember to include relevant logs. Asking in the Matrix room first
+  is strongly recommended.
+type: Bug
+
+---
+
+<!-- Include relevant logs, the bridge version and other important details here -->
+
+### Checklist
+
+<!-- All items below are mandatory. Issues not following the rules may be closed without comment. -->
+
+* [ ] This is an actual bug, not just a setup issue (see the [troubleshooting docs](https://docs.mau.fi/bridges/general/troubleshooting.html) or ask in the Matrix room for setup help).
+* [ ] I am certain that sufficient information is included. Ask in the Matrix room first if not.
+* [ ] The bug is still present on the main branch.
@@ -0,0 +1,7 @@
+contact_links:
+  - name: Troubleshooting docs & FAQ
+    url: https://docs.mau.fi/bridges/general/troubleshooting.html
+    about: Check this first if you're having problems setting up the bridge.
+  - name: Support room
+    url: https://matrix.to/#/#telegram:maunium.net
+    about: For setup issues not answered by the troubleshooting docs, ask in the Matrix room.
@@ -0,0 +1,6 @@
+---
+name: Enhancement request
+about: Submit a feature request or other suggestion
+type: Feature
+
+---
@@ -0,0 +1,39 @@
+name: Go
+
+on: [push, pull_request]
+
+env:
+  GOTOOLCHAIN: local
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: ["1.25", "1.26"]
+    name: Lint ${{ matrix.go-version == '1.26' && '(latest)' || '(old)' }}
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version: ${{ matrix.go-version }}
+          cache: true
+
+      - name: Install libolm
+        run: sudo apt-get install libolm-dev libolm3
+
+      - name: Install dependencies
+        run: |
+          go install golang.org/x/tools/cmd/goimports@latest
+          go install honnef.co/go/tools/cmd/staticcheck@latest
+          export PATH="$HOME/go/bin:$PATH"
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - name: Lint
+        run: pre-commit run -a
@@ -0,0 +1,29 @@
+name: 'Lock old issues'
+
+on:
+  schedule:
+    - cron: '0 20 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+#  pull-requests: write
+#  discussions: write
+
+concurrency:
+  group: lock-threads
+
+jobs:
+  lock-stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v6
+        id: lock
+        with:
+          issue-inactive-days: 90
+          process-only: issues
+      - name: Log processed threads
+        run: |
+          if [ '${{ steps.lock.outputs.issues }}' ]; then
+            echo "Issues:" && echo '${{ steps.lock.outputs.issues }}' | jq -r '.[] | "https://github.com/\(.owner)/\(.repo)/issues/\(.issue_number)"'
+          fi
@@ -1,11 +1,16 @@
-.idea/
+.idea

-.venv
-pip-selfcheck.json
-*.pyc
-__pycache__
+*.yaml
+!.pre-commit-config.yaml
+!example-config.yaml
+!provisioning-spec.yaml

-config.yaml
-registration.yaml
-*.log*
-*.db
+*.json
+!pkg/connector/emojis/unicodemojipack.json
+*.db*
+*.log
+*.bak
+
+/mautrix-telegram
+/mautrix-telegramgo
+/start
@@ -0,0 +1,3 @@
+include:
+- project: 'mautrix/ci'
+  file: '/gov2-as-default.yml'
@@ -0,0 +1 @@
+<svg id="Livello_1" data-name="Livello 1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 240 240"><defs><linearGradient id="linear-gradient" x1="120" y1="240" x2="120" gradientUnits="userSpaceOnUse"><stop offset="0" stop-color="#1d93d2"/><stop offset="1" stop-color="#38b0e3"/></linearGradient></defs><title>Telegram_logo</title><circle cx="120" cy="120" r="120" fill="url(#linear-gradient)"/><path d="M81.229,128.772l14.237,39.406s1.78,3.687,3.686,3.687,30.255-29.492,30.255-29.492l31.525-60.89L81.737,118.6Z" fill="#c8daea"/><path d="M100.106,138.878l-2.733,29.046s-1.144,8.9,7.754,0,17.415-15.763,17.415-15.763" fill="#a9c6d8"/><path d="M81.486,130.178,52.2,120.636s-3.5-1.42-2.373-4.64c.232-.664.7-1.229,2.1-2.2,6.489-4.523,120.106-45.36,120.106-45.36s3.208-1.081,5.1-.362a2.766,2.766,0,0,1,1.885,2.055,9.357,9.357,0,0,1,.254,2.585c-.009.752-.1,1.449-.169,2.542-.692,11.165-21.4,94.493-21.4,94.493s-1.239,4.876-5.678,5.043A8.13,8.13,0,0,1,146.1,172.5c-8.711-7.493-38.819-27.727-45.472-32.177a1.27,1.27,0,0,1-.546-.9c-.093-.469.417-1.05.417-1.05s52.426-46.6,53.821-51.492c.108-.379-.3-.566-.848-.4-3.482,1.281-63.844,39.4-70.506,43.607A3.21,3.21,0,0,1,81.486,130.178Z" fill="#fff"/></svg>
@@ -0,0 +1,31 @@
+exclude: pkg/gotd/_fuzz/.*|pkg/gotd/_schema/.*|pkg/gotd/.*\.tmpl
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: trailing-whitespace
+        exclude_types: [markdown]
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+  - repo: https://github.com/tekwizely/pre-commit-golang
+    rev: v1.0.0-rc.4
+    hooks:
+      - id: go-imports
+        args:
+          - "-local"
+          - "go.mau.fi/mautrix-telegram"
+          - "-w"
+      - id: go-vet-mod
+# Disabled for now until we can find a way to filter out the gotd package
+#      - id: go-staticcheck-repo-mod
+      - id: go-mod-tidy
+
+  - repo: https://github.com/beeper/pre-commit-go
+    rev: v0.4.2
+    hooks:
+      - id: prevent-literal-http-methods
+      - id: zerolog-ban-global-log
+      - id: zerolog-ban-msgf
+      - id: zerolog-use-stringer
@@ -1,29 +1,20 @@
-FROM docker.io/alpine:3.8
+FROM golang:1-alpine3.23 AS builder
+
+RUN apk add --no-cache git ca-certificates build-base su-exec olm-dev
+
+COPY . /build
+WORKDIR /build
+RUN ./build.sh
+
+FROM alpine:3.23

 ENV UID=1337 \
-    GID=1337 \
-    FFMPEG_BINARY=/usr/bin/ffmpeg
+    GID=1337

-COPY . /opt/mautrix-telegram
-WORKDIR /opt/mautrix-telegram
-RUN apk add --no-cache \
-      python3-dev \
-      build-base \
-      py3-virtualenv \
-      py3-pillow \
-      py3-aiohttp \
-      py3-lxml \
-      py3-magic \
-      py3-numpy \
-      py3-asn1crypto \
-      py3-sqlalchemy \
-      py3-markdown \
-      py3-psycopg2 \
-      ffmpeg \
-      ca-certificates \
-      su-exec \
- && pip3 install -r requirements.txt -r optional-requirements.txt
+RUN apk add --no-cache ffmpeg su-exec ca-certificates olm bash jq curl yq-go lottieconverter

+COPY --from=builder /build/mautrix-telegram /usr/bin/mautrix-telegram
+COPY --from=builder /build/docker-run.sh /docker-run.sh
 VOLUME /data

-CMD ["/opt/mautrix-telegram/docker-run.sh"]
+CMD ["/docker-run.sh"]
@@ -0,0 +1,17 @@
+ARG DOCKER_HUB="docker.io"
+
+FROM ${DOCKER_HUB}/alpine:3.23
+
+ENV UID=1337 \
+    GID=1337
+
+RUN apk add --no-cache ffmpeg su-exec ca-certificates bash jq curl yq-go lottieconverter
+
+ARG EXECUTABLE=./mautrix-telegram
+COPY $EXECUTABLE /usr/bin/mautrix-telegram
+COPY ./docker-run.sh /docker-run.sh
+ENV BRIDGEV2=1
+VOLUME /data
+WORKDIR /data
+
+CMD ["/docker-run.sh"]
@@ -0,0 +1,12 @@
+The mautrix-telegram developers grant the following special exceptions:
+
+* to Beeper the right to embed the program in the Beeper clients and servers,
+  and use and distribute the collective work without applying the license to
+  the whole.
+* to Element the right to distribute compiled binaries of the program as a part
+  of the Element Server Suite and other server bundles without applying the
+  license.
+
+All exceptions are only valid under the condition that any modifications to
+the source code of mautrix-telegram remain publicly available under the terms
+of the GNU AGPL version 3 or later.
@@ -1,14 +1,27 @@
 # mautrix-telegram
-A Matrix-Telegram hybrid puppeting/relaybot bridge.
+![Languages](https://img.shields.io/github/languages/top/mautrix/telegram.svg)
+[![License](https://img.shields.io/github/license/mautrix/telegram.svg)](LICENSE)
+[![Release](https://img.shields.io/github/release/mautrix/telegram/all.svg)](https://github.com/mautrix/telegram/releases)
+[![GitLab CI](https://mau.dev/mautrix/telegram/badges/main/pipeline.svg)](https://mau.dev/mautrix/telegram/container_registry)

-### [Wiki](https://github.com/tulir/mautrix-telegram/wiki)
+A Matrix-Telegram puppeting/relaybot bridge.

-### [Features & Roadmap](https://github.com/tulir/mautrix-telegram/blob/master/ROADMAP.md)
+## Sponsors
+* [Joel Lehtonen / Zouppen](https://github.com/zouppen)
+
+## Documentation
+All setup and usage instructions are located on
+[docs.mau.fi](https://docs.mau.fi/bridges/go/telegram/index.html).
+Some quick links:
+
+* [Bridge setup](https://docs.mau.fi/bridges/go/setup.html?bridge=telegram)
+  (or [with Docker](https://docs.mau.fi/bridges/general/docker-setup.html?bridge=telegram))
+* Basic usage: [Authentication](https://docs.mau.fi/bridges/go/telegram/authentication.html)
+
+### Features & Roadmap
+[ROADMAP.md](ROADMAP.md) contains a general overview of what is supported by the bridge.

 ## Discussion
 Matrix room: [`#telegram:maunium.net`](https://matrix.to/#/#telegram:maunium.net)

 Telegram chat: [`mautrix_telegram`](https://t.me/mautrix_telegram) (bridged to Matrix room)
-
-## Preview
-![Preview](https://raw.githubusercontent.com/tulir/mautrix-telegram/master/preview.png)
@@ -3,34 +3,37 @@
 * Matrix → Telegram
  * [x] Message content (text, formatting, files, etc..)
  * [x] Message redactions
+  * [x] Message reactions
+  * [x] Message edits
  * [ ] ‡ Message history
-  * [x] Presence
+  * [ ] Presence
  * [x] Typing notifications
  * [x] Read receipts
-  * [x] Pinning messages
-  * [x] Power level
-    * [x] Normal chats
-      * [ ] Non-hardcoded PL requirements
-	* [x] Supergroups/channels
-	  * [ ] Precise bridging (non-hardcoded PL requirements, bridge specific permissions, etc..)
-  * [x] Membership actions (invite/kick/join/leave)
-  * [x] Room metadata changes (name, topic, avatar)
-  * [x] Initial room metadata
-  * [ ] User metadata
-    * [ ] Initial displayname/username/avatar at register
-    * [ ] ‡ Changes to displayname/avatar
+  * [ ] Pinning messages
+  * [ ] Power level
+  * [ ] Membership actions (invite/kick/join/leave)
+  * [ ] Room metadata changes (name, topic, avatar)
+  * [ ] Initial room metadata
 * Telegram → Matrix
  * [x] Message content (text, formatting, files, etc..)
+  * [ ] Advanced message content/media
+    * [x] Custom emojis
+    * [ ] Polls
+    * [ ] Games
+    * [ ] Buttons
  * [x] Message deletions
+  * [x] Message reactions
  * [x] Message edits
-  * [ ] Message history
+  * [x] Message history
+    * [x] Automatically when creating portal
+    * [x] Automatically for missed messages
  * [x] Avatars
-  * [x] Presence
+  * [ ] Presence
  * [x] Typing notifications
-  * [x] Read receipts (private chat only)
-  * [x] Pinning messages
+  * [x] Read receipts (DMs only)
+  * [ ] Pinning messages
  * [x] Admin/chat creator status
-  * [ ] Supergroup/channel permissions (precise per-user permissions not supported in Matrix)
+  * [x] Supergroup/channel permissions (precise per-user permissions not supported in Matrix)
  * [x] Membership actions (invite/kick/join/leave)
  * [ ] Chat metadata changes
    * [x] Title
@@ -40,14 +43,16 @@
  * [x] Initial chat metadata (about text missing)
  * [x] User metadata (displayname/avatar)
  * [x] Supergroup upgrade
+  * [x] Topics (spaces)
 * Misc
  * [x] Automatic portal creation
    * [x] At startup
    * [x] When receiving invite or message
-  * [x] Private chat creation by inviting Matrix puppet of Telegram user to new room
-  * [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)
+  * [x] Private chat creation by inviting Matrix ghost of Telegram user to new room
+  * [x] Option to use bot to relay messages for unauthenticated Matrix users (relaybot)
+  * [x] Option to use own Matrix account for messages sent from other Telegram clients (double puppeting)
+  * [ ] ‡ Calls
+  * [ ] ‡ Secret chats (i.e. end-to-bridge encryption on Telegram)

 † 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
@@ -1,71 +0,0 @@
-# A generic, single database configuration.
-
-[alembic]
-# path to migration scripts
-script_location = alembic
-
-# template used to generate migration files
-# file_template = %%(rev)s_%%(slug)s
-
-# timezone to use when rendering the date
-# within the migration file as well as the filename.
-# string value is passed to dateutil.tz.gettz()
-# leave blank for localtime
-# timezone =
-
-# max length of characters to apply to the
-# "slug" field
-#truncate_slug_length = 40
-
-# set to 'true' to run the environment during
-# the 'revision' command, regardless of autogenerate
-# revision_environment = false
-
-# set to 'true' to allow .pyc and .pyo files without
-# a source .py file to be detected as revisions in the
-# versions/ directory
-# sourceless = false
-
-# version location specification; this defaults
-# to alembic/versions.  When using multiple version
-# directories, initial revisions must be specified with --version-path
-# version_locations = %(here)s/bar %(here)s/bat alembic/versions
-
-# the output encoding used when revision files
-# are written from script.py.mako
-# output_encoding = utf-8
-
-# Logging configuration
-[loggers]
-keys = root,sqlalchemy,alembic
-
-[handlers]
-keys = console
-
-[formatters]
-keys = generic
-
-[logger_root]
-level = WARN
-handlers = console
-qualname =
-
-[logger_sqlalchemy]
-level = WARN
-handlers =
-qualname = sqlalchemy.engine
-
-[logger_alembic]
-level = INFO
-handlers =
-qualname = alembic
-
-[handler_console]
-class = StreamHandler
-args = (sys.stderr,)
-level = NOTSET
-formatter = generic
-
-[formatter_generic]
-format = %(levelname)-5.5s [%(name)s] %(message)s
-datefmt = %H:%M:%S
@@ -1 +0,0 @@
-Generic single-database configuration.
@@ -1,96 +0,0 @@
-from alembic import context
-from sqlalchemy import engine_from_config, pool
-from logging.config import fileConfig
-
-import sys
-from os.path import abspath, dirname
-
-sys.path.insert(0, dirname(dirname(abspath(__file__))))
-
-from mautrix_telegram.base import Base
-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.
-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"))
-
-
-class FakeDB:
-    @staticmethod
-    def query_property():
-        return None
-
-
-AlchemySessionContainer.create_table_classes(FakeDB(), "telethon_", Base)
-
-# Interpret the config file for Python logging.
-# This line sets up loggers basically.
-fileConfig(config.config_file_name)
-
-# add your model's MetaData object here
-# for 'autogenerate' support
-# from myapp import mymodel
-# target_metadata = mymodel.Base.metadata
-target_metadata = Base.metadata
-
-
-# other values from the config, defined by the needs of env.py,
-# can be acquired:
-# my_important_option = config.get_main_option("my_important_option")
-# ... etc.
-
-
-def run_migrations_offline():
-    """Run migrations in 'offline' mode.
-
-    This configures the context with just a URL
-    and not an Engine, though an Engine is acceptable
-    here as well.  By skipping the Engine creation
-    we don't even need a DBAPI to be available.
-
-    Calls to context.execute() here emit the given string to the
-    script output.
-
-    """
-    url = config.get_main_option("sqlalchemy.url")
-    context.configure(
-        url=url, target_metadata=target_metadata, literal_binds=True)
-
-    with context.begin_transaction():
-        context.run_migrations()
-
-
-def run_migrations_online():
-    """Run migrations in 'online' mode.
-
-    In this scenario we need to create an Engine
-    and associate a connection with the context.
-
-    """
-    connectable = engine_from_config(
-        config.get_section(config.config_ini_section),
-        prefix='sqlalchemy.',
-        poolclass=pool.NullPool)
-
-    with connectable.connect() as connection:
-        context.configure(
-            connection=connection,
-            target_metadata=target_metadata
-        )
-
-        with context.begin_transaction():
-            context.run_migrations()
-
-
-if context.is_offline_mode():
-    run_migrations_offline()
-else:
-    run_migrations_online()
@@ -1,24 +0,0 @@
-"""${message}
-
-Revision ID: ${up_revision}
-Revises: ${down_revision | comma,n}
-Create Date: ${create_date}
-
-"""
-from alembic import op
-import sqlalchemy as sa
-${imports if imports else ""}
-
-# revision identifiers, used by Alembic.
-revision = ${repr(up_revision)}
-down_revision = ${repr(down_revision)}
-branch_labels = ${repr(branch_labels)}
-depends_on = ${repr(depends_on)}
-
-
-def upgrade():
-    ${upgrades if upgrades else "pass"}
-
-
-def downgrade():
-    ${downgrades if downgrades else "pass"}
@@ -1,28 +0,0 @@
-"""Add TelegramFile table
-
-Revision ID: 1b241f7e8530
-Revises: 97d2a942bcf8
-Create Date: 2018-02-19 23:52:06.605741
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = '1b241f7e8530'
-down_revision = '97d2a942bcf8'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.create_table('telegram_file',
-                    sa.Column('id', sa.String(), nullable=False),
-                    sa.Column('mxc', sa.String(), nullable=True),
-                    sa.Column('mime_type', sa.String(), nullable=True),
-                    sa.Column('was_converted', sa.Boolean(), nullable=True),
-                    sa.PrimaryKeyConstraint('id'))
-
-
-def downgrade():
-    op.drop_table('telegram_file')
@@ -1,25 +0,0 @@
-"""Add is_bot field to puppets
-
-Revision ID: 1fa46383a9d3
-Revises: 30eca60587f1
-Create Date: 2018-04-29 23:44:40.102333
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = '1fa46383a9d3'
-down_revision = '30eca60587f1'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column('puppet', sa.Column('is_bot', sa.Boolean(), nullable=True))
-
-
-def downgrade():
-    with op.batch_alter_table("puppet") as batch_op:
-        batch_op.drop_column('is_bot')
@@ -1,41 +0,0 @@
-"""Add cascade rules to UserPortal
-
-Revision ID: 2228d49c383f
-Revises: bcfefa1f1299
-Create Date: 2018-05-31 11:11:59.482112
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = '2228d49c383f'
-down_revision = 'bcfefa1f1299'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    try:
-        with op.batch_alter_table("user_portal") as batch_op:
-            batch_op.drop_constraint("user_portal_user_fkey", type_="foreignkey")
-            batch_op.drop_constraint("user_portal_portal_fkey", type_="foreignkey")
-            batch_op.create_foreign_key("user_portal_user_fkey", "user", ["user"], ["tgid"],
-                                        onupdate="CASCADE", ondelete="CASCADE")
-            batch_op.create_foreign_key("user_portal_portal_fkey", "portal",
-                                        ["portal", "portal_receiver"], ["tgid", "tg_receiver"],
-                                        onupdate="CASCADE", ondelete="CASCADE")
-    except ValueError:
-        return
-
-
-def downgrade():
-    try:
-        with op.batch_alter_table("user_portal") as batch_op:
-                batch_op.drop_constraint("user_portal_user_fkey", type_="foreignkey")
-                batch_op.drop_constraint("user_portal_portal_fkey", type_="foreignkey")
-                batch_op.create_foreign_key("user_portal_user_fkey", "portal",
-                                            ["portal", "portal_receiver"], ["tgid", "tg_receiver"])
-                batch_op.create_foreign_key("user_portal_portal_fkey", "user", ["user"], ["tgid"])
-    except ValueError:
-        return
@@ -1,24 +0,0 @@
-"""Add megagroup field to portals
-
-Revision ID: 30eca60587f1
-Revises: cfc972368e50
-Create Date: 2018-04-29 15:51:04.656605
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = '30eca60587f1'
-down_revision = 'cfc972368e50'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column('portal', sa.Column('megagroup', sa.Boolean()))
-
-
-def downgrade():
-    with op.batch_alter_table("portal") as batch_op:
-        batch_op.drop_column('megagroup')
@@ -1,111 +0,0 @@
-"""Move sessions to main database
-
-Revision ID: 501dad2868bc
-Revises: 7d47d84380b6
-Create Date: 2018-03-02 19:15:53.826985
-
-"""
-from alembic import op
-import sqlalchemy as sa
-import sqlite3
-import os
-
-# revision identifiers, used by Alembic.
-revision = '501dad2868bc'
-down_revision = '7d47d84380b6'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    Session = op.create_table('telethon_sessions',
-                              sa.Column('session_id', sa.String, nullable=False),
-                              sa.Column('dc_id', sa.Integer, nullable=False),
-                              sa.Column('server_address', sa.String, nullable=True),
-                              sa.Column('port', sa.Integer, nullable=True),
-                              sa.Column('auth_key', sa.LargeBinary, nullable=True),
-                              sa.PrimaryKeyConstraint('session_id', 'dc_id'))
-    SentFile = op.create_table('telethon_sent_files',
-                               sa.Column('session_id', sa.String, nullable=False),
-                               sa.Column('md5_digest', sa.LargeBinary, nullable=False),
-                               sa.Column('file_size', sa.Integer, nullable=False),
-                               sa.Column('type', sa.Integer, nullable=False),
-                               sa.Column('id', sa.BigInteger, nullable=True),
-                               sa.Column('hash', sa.BigInteger, nullable=True),
-                               sa.PrimaryKeyConstraint('session_id', 'md5_digest', 'file_size',
-                                                       'type'))
-    Entity = op.create_table('telethon_entities',
-                             sa.Column('session_id', sa.String, nullable=False),
-                             sa.Column('id', sa.Integer, nullable=False),
-                             sa.Column('hash', sa.Integer, nullable=False),
-                             sa.Column('username', sa.String, nullable=True),
-                             sa.Column('phone', sa.Integer, nullable=True),
-                             sa.Column('name', sa.String, nullable=True),
-                             sa.PrimaryKeyConstraint('session_id', 'id'))
-    Version = op.create_table('telethon_version',
-                              sa.Column('version', sa.Integer, nullable=False),
-                              sa.PrimaryKeyConstraint('version'))
-    conn = op.get_bind()
-    sessions = [os.path.basename(f) for f in os.listdir(".") if f.endswith(".session")]
-    for session in sessions:
-        session_to_sqlalchemy(conn, session, Session, SentFile, Entity)
-
-
-def session_to_sqlalchemy(conn, path, Session, SentFile, Entity):
-    session_conn = sqlite3.connect(path)
-    session_id = os.path.splitext(path)[0]
-    c = session_conn.cursor()
-
-    auth_data_tuples = c.execute("SELECT * FROM sessions").fetchall()
-    auth_data_dicts = []
-    for row in auth_data_tuples:
-        dc_id, server_address, port, auth_key = row
-        auth_data_dicts.append({
-            "session_id": session_id,
-            "dc_id": dc_id,
-            "server_address": server_address,
-            "port": port,
-            "auth_key": auth_key,
-        })
-    if auth_data_dicts:
-        conn.execute(Session.insert().values(auth_data_dicts))
-
-    sent_file_tuples = c.execute("SELECT * FROM sent_files").fetchall()
-    sent_file_dicts = []
-    for row in sent_file_tuples:
-        md5_digest, file_size, type, id, hash = row
-        sent_file_dicts.append({
-            "session_id": session_id,
-            "md5_digest": md5_digest,
-            "file_size": file_size,
-            "type": type,
-            "id": id,
-            "hash": hash,
-        })
-    if sent_file_dicts:
-        conn.execute(SentFile.insert().values(sent_file_dicts))
-
-    entity_tuples = c.execute("SELECT * FROM entities").fetchall()
-    entity_dicts = []
-    for row in entity_tuples:
-        id, hash, username, phone, name = row
-        entity_dicts.append({
-            "session_id": session_id,
-            "id": id,
-            "hash": hash,
-            "username": username,
-            "phone": phone,
-            "name": name,
-        })
-    if entity_dicts:
-        conn.execute(Entity.insert().values(entity_dicts))
-
-    c.close()
-    session_conn.close()
-
-
-def downgrade():
-    op.drop_table('telethon_version')
-    op.drop_table('telethon_entities')
-    op.drop_table('telethon_sent_files')
-    op.drop_table('telethon_sessions')
@@ -1,136 +0,0 @@
-"""Move state store to main database
-
-Revision ID: 6ca3d74d51e4
-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 mautrix_telegram.config import Config
-from mautrix_telegram.base import Base
-
-# revision identifiers, used by Alembic.
-revision = "6ca3d74d51e4"
-down_revision = "2228d49c383f"
-branch_labels = None
-depends_on = None
-
-
-class RoomState(Base):
-    query = None
-    __tablename__ = "mx_room_state"
-    __table_args__ = {"extend_existing": True}
-
-    room_id = sa.Column(sa.String, primary_key=True)
-    power_levels = sa.Column("power_levels", sa.Text, nullable=True)
-
-
-class UserProfile(Base):
-    query = None
-    __tablename__ = "mx_user_profile"
-    __table_args__ = {"extend_existing": True}
-
-    room_id = sa.Column(sa.String, primary_key=True)
-    user_id = sa.Column(sa.String, primary_key=True)
-    membership = sa.Column(sa.String, nullable=False, default="leave")
-    displayname = sa.Column(sa.String, nullable=True)
-    avatar_url = sa.Column(sa.String, nullable=True)
-
-
-class Puppet(Base):
-    query = None
-    __tablename__ = "puppet"
-    __table_args__ = {"extend_existing": True}
-
-    id = sa.Column(sa.Integer, primary_key=True)
-    displayname = sa.Column(sa.String, nullable=True)
-    displayname_source = sa.Column(sa.Integer, nullable=True)
-    username = sa.Column(sa.String, nullable=True)
-    photo_id = sa.Column(sa.String, nullable=True)
-    is_bot = sa.Column(sa.Boolean, nullable=True)
-    matrix_registered = sa.Column(sa.Boolean, nullable=False, default=False)
-
-
-def upgrade():
-    op.add_column("puppet", 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),
-                    sa.Column("power_levels", sa.Text(), nullable=True),
-                    sa.PrimaryKeyConstraint("room_id"))
-    op.create_table("mx_user_profile",
-                    sa.Column("room_id", sa.String(), nullable=False),
-                    sa.Column("user_id", sa.String(), nullable=False),
-                    sa.Column("membership", sa.String(), nullable=False,
-                              default="leave"),
-                    sa.Column("displayname", sa.String(), nullable=True),
-                    sa.Column("avatar_url", sa.String(), nullable=True),
-                    sa.PrimaryKeyConstraint("room_id", "user_id"))
-
-    try:
-        migrate_state_store()
-    except Exception as e:
-        print("Failed to migrate state store:", e)
-        print("Migrating the state store isn't required, but you can retry by alembic downgrading "
-              "to revision 2228d49c383f and upgrading again.")
-
-
-def migrate_state_store():
-    conn = op.get_bind()
-    session = orm.sessionmaker(bind=conn)()  # type: orm.Session
-
-    try:
-        with open("mx-state.json") as file:
-            data = json.load(file)
-    except FileNotFoundError:
-        return
-    if not data:
-        return
-    registrations = data.get("registrations", [])
-
-    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()
-
-    username_template = mxtg_config.get("bridge.username_template", "telegram_{userid}")
-    hs_domain = mxtg_config["homeserver.domain"]
-    localpart = username_template.format(userid="(.+)")
-    mxid_regex = re.compile("@{}:{}".format(localpart, hs_domain))
-    for user in registrations:
-        match = mxid_regex.match(user)
-        if not match:
-            continue
-
-        puppet = session.query(Puppet).get(match.group(1))
-        if not puppet:
-            continue
-
-        puppet.matrix_registered = True
-        session.merge(puppet)
-    session.commit()
-
-    user_profiles = [UserProfile(room_id=room, user_id=user,
-                                 membership=member.get("membership", "leave"),
-                                 displayname=member.get("displayname", None),
-                                 avatar_url=member.get("avatar_url", None))
-                     for room, members in data.get("members", {}).items()
-                     for user, member in members.items()]
-    session.add_all(user_profiles)
-    session.commit()
-
-    room_state = [RoomState(room_id=room, power_levels=json.dumps(levels))
-                  for room, levels in data.get("power_levels", {}).items()]
-    session.add_all(room_state)
-    session.commit()
-
-
-def downgrade():
-    op.drop_table("mx_user_profile")
-    op.drop_table("mx_room_state")
-    with op.batch_alter_table("puppet") as batch_op:
-        batch_op.drop_column("matrix_registered")
@@ -1,26 +0,0 @@
-"""Add timestamp to TelegramFile
-
-Revision ID: 7d47d84380b6
-Revises: 1b241f7e8530
-Create Date: 2018-02-19 23:53:18.050871
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = '7d47d84380b6'
-down_revision = '1b241f7e8530'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column('telegram_file',
-                  sa.Column('timestamp', sa.BigInteger(), nullable=True, default=0,
-                            server_default="0"))
-
-
-def downgrade():
-    with op.batch_alter_table("telegram_file") as batch_op:
-        batch_op.drop_column('timestamp')
@@ -1,80 +0,0 @@
-"""initial revision
-
-Revision ID: 97d2a942bcf8
-Revises:
-Create Date: 2018-02-11 18:40:55.483842
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = '97d2a942bcf8'
-down_revision = None
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.create_table('portal',
-                    sa.Column('tgid', sa.Integer),
-                    sa.Column('tg_receiver', sa.Integer),
-                    sa.Column('peer_type', sa.String, nullable=False, default=""),
-                    sa.Column('mxid', sa.String, nullable=True),
-                    sa.Column('username', sa.String, nullable=True),
-                    sa.Column('title', sa.String, nullable=True),
-                    sa.Column('about', sa.String, nullable=True),
-                    sa.Column('photo_id', sa.String, nullable=True),
-                    sa.PrimaryKeyConstraint('tgid', 'tg_receiver'),
-                    sa.UniqueConstraint('mxid'))
-    op.create_table('user',
-                    sa.Column('mxid', sa.String),
-                    sa.Column('tgid', sa.Integer, nullable=True, unique=True),
-                    sa.Column('tg_username', sa.String, nullable=True),
-                    sa.Column('saved_contacts', sa.Integer, nullable=False, default=0),
-                    sa.PrimaryKeyConstraint('mxid'))
-    op.create_table('puppet',
-                    sa.Column('id', sa.Integer),
-                    sa.Column('displayname', sa.String, nullable=True),
-                    sa.Column('username', sa.String, nullable=True),
-                    sa.Column('photo_id', sa.String, nullable=True),
-                    sa.PrimaryKeyConstraint('id'))
-    op.create_table('contact',
-                    sa.Column('user', sa.Integer),
-                    sa.Column('contact', sa.Integer),
-                    sa.ForeignKeyConstraint(("user",), ("user.tgid",)),
-                    sa.ForeignKeyConstraint(("contact",), ("puppet.id",)),
-                    sa.PrimaryKeyConstraint('user', 'contact'))
-    op.create_table('user_portal',
-                    sa.Column('user', sa.Integer),
-                    sa.Column('portal', sa.Integer),
-                    sa.Column('portal_receiver', sa.Integer),
-                    sa.PrimaryKeyConstraint('user', 'portal', 'portal_receiver'),
-                    sa.ForeignKeyConstraint(("user",), ("user.tgid",),
-                                            name="user_portal_user_fkey",
-                                            onupdate="CASCADE", ondelete="CASCADE"),
-                    sa.ForeignKeyConstraint(("portal", "portal_receiver"),
-                                            ("portal.tgid", "portal.tg_receiver"),
-                                            name="user_portal_portal_fkey",
-                                            onupdate="CASCADE", ondelete="CASCADE"))
-    op.create_table('message',
-                    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"))
-    op.create_table('bot_chat',
-                    sa.Column('id', sa.Integer),
-                    sa.Column('type', sa.String, nullable=False, default=""),
-                    sa.PrimaryKeyConstraint('id'))
-
-
-def downgrade():
-    op.drop_table('bot_chat')
-    op.drop_table('message')
-    op.drop_table('user_portal')
-    op.drop_table('contact')
-    op.drop_table('puppet')
-    op.drop_table('user')
-    op.drop_table('portal')
@@ -1,25 +0,0 @@
-"""Add phone number field to users
-
-Revision ID: a9119be92164
-Revises: b54929c22c86
-Create Date: 2018-09-28 02:38:40.626282
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = "a9119be92164"
-down_revision = "b54929c22c86"
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column("user", sa.Column("tg_phone", sa.String(), nullable=True))
-
-
-def downgrade():
-    with op.batch_alter_table("user") as batch_op:
-        batch_op.drop_column("tg_phone")
@@ -1,25 +0,0 @@
-"""Add portal-specific config
-
-Revision ID: b54929c22c86
-Revises: d5f7b8b4b456
-Create Date: 2018-09-24 23:40:33.528710
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = "b54929c22c86"
-down_revision = "d5f7b8b4b456"
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column("portal", sa.Column("config", sa.Text(), nullable=True))
-
-
-def downgrade():
-    with op.batch_alter_table("portal") as batch_op:
-        batch_op.drop_column("config")
@@ -1,24 +0,0 @@
-"""Add displayname source fields for puppets
-
-Revision ID: bcfefa1f1299
-Revises: bdadd173ee02
-Create Date: 2018-05-19 17:00:21.078098
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = 'bcfefa1f1299'
-down_revision = 'bdadd173ee02'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column('puppet', sa.Column('displayname_source', sa.Integer(), nullable=True))
-
-
-def downgrade():
-    with op.batch_alter_table("puppet") as batch_op:
-        batch_op.drop_column('displayname_source')
@@ -1,43 +0,0 @@
-"""Update telethon update state table
-
-Revision ID: bdadd173ee02
-Revises: eeaf0dae87ce
-Create Date: 2018-05-13 10:42:59.395597
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = 'bdadd173ee02'
-down_revision = 'eeaf0dae87ce'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    with op.batch_alter_table("telethon_entities") as batch_op:
-        batch_op.alter_column("id", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.alter_column("hash", existing_type=sa.Integer, type_=sa.BigInteger)
-
-    with op.batch_alter_table("telethon_update_state") as batch_op:
-        batch_op.alter_column("entity_id", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.alter_column("pts", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.alter_column("qts", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.alter_column("date", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.alter_column("seq", existing_type=sa.Integer, type_=sa.BigInteger)
-        batch_op.add_column(sa.Column("unread_count", sa.Integer))
-
-
-def downgrade():
-    with op.batch_alter_table("telethon_entities") as batch_op:
-        batch_op.alter_column("id", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.alter_column("hash", existing_type=sa.BigInteger, type_=sa.Integer)
-
-    with op.batch_alter_table("telethon_update_state") as batch_op:
-        batch_op.alter_column("entity_id", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.alter_column("pts", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.alter_column("qts", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.alter_column("date", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.alter_column("seq", existing_type=sa.BigInteger, type_=sa.Integer)
-        batch_op.drop_column("unread_count")
@@ -1,35 +0,0 @@
-"""Add metadata to TelegramFile
-
-Revision ID: cfc972368e50
-Revises: 501dad2868bc
-Create Date: 2018-03-09 16:07:01.236712
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = 'cfc972368e50'
-down_revision = '501dad2868bc'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    with op.batch_alter_table("telegram_file") as batch_op:
-        batch_op.add_column(sa.Column('size', sa.Integer(), nullable=True))
-        batch_op.add_column(sa.Column('width', sa.Integer(), nullable=True))
-        batch_op.add_column(sa.Column('height', sa.Integer(), nullable=True))
-        batch_op.add_column(sa.Column('thumbnail', sa.String(), nullable=True))
-        batch_op.create_foreign_key(constraint_name="fk_file_thumbnail",
-                                    referent_table="telegram_file",
-                                    local_cols=['thumbnail'],
-                                    remote_cols=['id'])
-
-
-def downgrade():
-    with op.batch_alter_table("telegram_file") as batch_op:
-        batch_op.drop_column('size')
-        batch_op.drop_column('width')
-        batch_op.drop_column('height')
-        batch_op.drop_column('thumbnail')
@@ -1,26 +0,0 @@
-"""Add access_token and custom_mxid fields for puppets
-
-Revision ID: d5f7b8b4b456
-Revises: 6ca3d74d51e4
-Create Date: 2018-07-20 12:09:30.277960
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = "d5f7b8b4b456"
-down_revision = "6ca3d74d51e4"
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    op.add_column("puppet", sa.Column("access_token", sa.String(), nullable=True))
-    op.add_column("puppet", sa.Column("custom_mxid", sa.String(), nullable=True))
-
-
-def downgrade():
-    with op.batch_alter_table("puppet") as batch_op:
-        batch_op.drop_column("custom_mxid")
-        batch_op.drop_column("access_token")
@@ -1,34 +0,0 @@
-"""Add telethon update state table
-
-Revision ID: eeaf0dae87ce
-Revises: 1fa46383a9d3
-Create Date: 2018-04-30 17:30:59.610885
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = 'eeaf0dae87ce'
-down_revision = '1fa46383a9d3'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    with op.batch_alter_table("telethon_entities") as batch_op:
-        batch_op.alter_column('phone', existing_type=sa.Integer, type_=sa.BigInteger)
-    op.create_table('telethon_update_state',
-                    sa.Column('session_id', sa.String, nullable=False),
-                    sa.Column('entity_id', sa.Integer, nullable=False),
-                    sa.Column('pts', sa.Integer, nullable=True),
-                    sa.Column('qts', sa.Integer, nullable=True),
-                    sa.Column('date', sa.Integer, nullable=True),
-                    sa.Column('seq', sa.Integer, nullable=True),
-                    sa.PrimaryKeyConstraint('session_id', 'entity_id'))
-
-
-def downgrade():
-    with op.batch_alter_table("telethon_entities") as batch_op:
-        batch_op.alter_column('phone', existing_type=sa.BigInteger, type_=sa.Integer)
-    op.drop_table('telethon_update_state')
@@ -0,0 +1,2 @@
+#!/bin/sh
+BINARY_NAME=mautrix-telegram go tool maubuild "$@"
@@ -0,0 +1,102 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2025 Sumner Evans
+//
+// 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/>.
+
+package main
+
+import (
+	"context"
+	_ "embed"
+	"fmt"
+
+	"github.com/rs/zerolog"
+	up "go.mau.fi/util/configupgrade"
+	"go.mau.fi/util/dbutil"
+	"maunium.net/go/mautrix/bridgev2/bridgeconfig"
+)
+
+const legacyMigrateRenameTablesQuery = `
+ALTER TABLE backfill_queue RENAME TO backfill_queue_old;
+ALTER TABLE bot_chat RENAME TO bot_chat_old;
+ALTER TABLE contact RENAME TO contact_old;
+ALTER TABLE disappearing_message RENAME TO disappearing_message_old;
+ALTER TABLE message RENAME TO message_old;
+ALTER TABLE portal RENAME TO portal_old;
+ALTER TABLE puppet RENAME TO puppet_old;
+ALTER TABLE reaction RENAME TO reaction_old;
+ALTER TABLE telegram_file RENAME TO telegram_file_old;
+ALTER TABLE telethon_entities RENAME TO telethon_entities_old;
+ALTER TABLE telethon_sent_files RENAME TO telethon_sent_files_old;
+ALTER TABLE telethon_sessions RENAME TO telethon_sessions_old;
+ALTER TABLE telethon_update_state RENAME TO telethon_update_state_old;
+ALTER TABLE "user" RENAME TO user_old;
+ALTER TABLE user_portal RENAME TO user_portal_old;
+DROP INDEX IF EXISTS telegram_file_mxc_idx;
+`
+
+func legacyMigrateRenameTables(ctx context.Context, db *dbutil.Database) error {
+	_, err := db.Exec(ctx, legacyMigrateRenameTablesQuery)
+	if err != nil {
+		return err
+	}
+	var mxVersion int
+	err = db.QueryRow(ctx, "SELECT version FROM mx_version").Scan(&mxVersion)
+	if err != nil {
+		return fmt.Errorf("failed to get mx_version: %w", err)
+	} else if mxVersion == 3 {
+		zerolog.Ctx(ctx).Debug().Msg("mx_version is 3, adding create_event column before running actual migration")
+		_, err = db.Exec(ctx, `
+			ALTER TABLE mx_room_state ADD COLUMN create_event TEXT;
+			UPDATE mx_version SET version=4;
+		`)
+		if err != nil {
+			return fmt.Errorf("failed to add create_event column to mx_room_state: %w", err)
+		}
+	}
+	return nil
+}
+
+//go:embed legacymigrate.sql
+var legacyMigrateCopyData string
+
+func migrateLegacyConfig(helper up.Helper) {
+	helper.Set(up.Str, "mautrix.bridge.e2ee", "encryption", "pickle_key")
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"telegram", "api_id"}, []string{"network", "api_id"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "api_hash"}, []string{"network", "api_hash"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "device_info", "device_model"}, []string{"network", "device_info", "device_model"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "device_info", "system_version"}, []string{"network", "device_info", "system_version"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "device_info", "app_version"}, []string{"network", "device_info", "app_version"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "device_info", "lang_code"}, []string{"network", "device_info", "lang_code"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "device_info", "system_lang_code"}, []string{"network", "device_info", "system_lang_code"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"bridge", "animated_sticker", "target"}, []string{"network", "animated_sticker", "target"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Bool, []string{"bridge", "animated_sticker", "convert_from_webm"}, []string{"network", "animated_sticker", "convert_from_webm"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "animated_sticker", "width"}, []string{"network", "animated_sticker", "width"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "animated_sticker", "height"}, []string{"network", "animated_sticker", "height"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "animated_sticker", "fps"}, []string{"network", "animated_sticker", "fps"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "max_initial_member_sync"}, []string{"network", "member_list", "max_initial_sync"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Bool, []string{"bridge", "sync_channel_members"}, []string{"network", "member_list", "sync_broadcast_channels"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Bool, []string{"bridge", "skip_deleted_members"}, []string{"network", "member_list", "skip_deleted"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "proxy", "type"}, []string{"network", "proxy", "type"})
+	proxyAddress, _ := helper.Get(up.Str, "telegram", "proxy", "address")
+	proxyPort, _ := helper.Get(up.Int, "telegram", "proxy", "port")
+	helper.Set(up.Str, fmt.Sprintf("%s:%s", proxyAddress, proxyPort), "network", "proxy", "address")
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "proxy", "username"}, []string{"network", "proxy", "username"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Str, []string{"telegram", "proxy", "password"}, []string{"network", "proxy", "password"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "max_member_count"}, []string{"network", "max_member_count"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "sync_update_limit"}, []string{"network", "sync", "update_limit"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Int, []string{"bridge", "sync_create_limit"}, []string{"network", "sync", "create_limit"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Bool, []string{"bridge", "sync_direct_chats"}, []string{"network", "sync", "direct_chats"})
+	bridgeconfig.CopyToOtherLocation(helper, up.Bool, []string{"bridge", "always_custom_emoji_reaction"}, []string{"network", "always_custom_emoji_reaction"})
+}
@@ -0,0 +1,300 @@
+INSERT INTO "user" (bridge_id, mxid)
+SELECT '', mxid FROM user_old;
+
+DELETE FROM telethon_sessions_old WHERE auth_key IS NULL;
+ALTER TABLE telethon_sessions_old ADD COLUMN json_data jsonb;
+UPDATE telethon_sessions_old SET json_data=
+    -- only: postgres
+    jsonb_build_object
+    -- only: sqlite (line commented)
+--  json_object
+    (
+        'auth_key', encode(auth_key, 'base64'),
+        'dc_id', dc_id,
+        'server_address', server_address,
+        'port', port
+    );
+
+INSERT INTO user_login (bridge_id, user_mxid, id, remote_name, remote_profile, space_room, metadata)
+SELECT
+    '', -- bridge_id
+    mxid, -- user_mxid
+    CAST(tgid AS TEXT), -- id
+    COALESCE(tg_username, tg_phone, ''), -- remote_name
+    '{}', -- remote_profile
+    '', -- space_room
+    -- only: postgres
+    jsonb_build_object
+    -- only: sqlite (line commented)
+--  json_object
+    (
+        'phone', COALESCE('+' || tg_phone, ''),
+        'session', json((SELECT json_data FROM telethon_sessions_old WHERE session_id=mxid))
+    ) -- metadata
+FROM user_old
+WHERE tgid IS NOT NULL;
+
+INSERT INTO ghost (
+    bridge_id, id, name, avatar_id, avatar_hash, avatar_mxc,
+    name_set, avatar_set, contact_info_set, is_bot, identifiers, metadata
+)
+SELECT
+    '', -- bridge_id
+    CAST(id AS TEXT), -- id
+    COALESCE(displayname, ''), -- name
+    COALESCE(photo_id, ''), -- avatar_id
+    '', -- avatar_hash
+    COALESCE(avatar_url, ''), -- avatar_mxc
+    name_set,
+    avatar_set,
+    contact_info_set,
+    COALESCE(is_bot, false),
+    '[]', -- identifiers
+    -- only: postgres
+    jsonb_build_object
+    -- only: sqlite (line commented)
+--  json_object
+    (
+        'is_premium', CASE WHEN is_premium THEN json('true') ELSE json('false') END,
+        'is_channel', CASE WHEN is_channel THEN json('true') ELSE json('false') END,
+        'contact_source', displayname_source,
+        'source_is_contact', CASE WHEN displayname_contact THEN json('true') ELSE json('false') END
+    ) -- metadata
+FROM puppet_old;
+
+DELETE FROM user_portal_old WHERE portal IN (SELECT tgid FROM portal_old WHERE peer_type<>'channel');
+DELETE FROM backfill_queue_old WHERE portal_tgid IN (SELECT tgid FROM portal_old WHERE peer_type<>'channel');
+
+UPDATE portal_old
+SET tg_receiver=COALESCE((SELECT "user" FROM user_portal_old WHERE portal=portal_old.tgid LIMIT 1), tg_receiver)
+WHERE peer_type='chat' AND tgid=tg_receiver;
+
+UPDATE portal_old
+SET tg_receiver=COALESCE((SELECT tgid FROM user_old WHERE tgid IS NOT NULL LIMIT 1), tg_receiver)
+WHERE peer_type='chat' AND tgid=tg_receiver;
+
+DELETE FROM portal_old WHERE peer_type='chat' AND tgid=tg_receiver;
+
+INSERT INTO portal (
+    bridge_id, id, receiver, mxid, other_user_id, name, topic, avatar_id, avatar_hash, avatar_mxc,
+    name_set, avatar_set, topic_set, name_is_custom, in_space, room_type, metadata
+)
+SELECT
+    '', -- bridge_id
+    peer_type || ':' || CAST(tgid AS TEXT), -- id
+    CASE WHEN peer_type='channel' THEN '' ELSE CAST(tg_receiver AS TEXT) END, -- receiver
+    mxid, -- mxid
+    CASE WHEN peer_type='user' THEN CAST(tgid AS TEXT) END, -- other_user_id
+    COALESCE(title, ''), -- name
+    COALESCE(about, ''), -- topic
+    COALESCE(photo_id, ''), -- avatar_id
+    '', -- avatar_hash
+    COALESCE(avatar_url, ''), -- avatar_mxc
+    name_set, -- name_set
+    avatar_set, -- avatar_set
+    false, -- topic_set
+    peer_type<>'user', -- name_is_custom
+    false, -- in_space
+    CASE WHEN peer_type='user' THEN 'dm' ELSE '' END, -- room_type
+    -- only: postgres
+    jsonb_build_object
+    -- only: sqlite (line commented)
+--  json_object
+    (
+        'is_supergroup', CASE WHEN megagroup THEN json('true') ELSE json('false') END
+    ) -- metadata
+FROM portal_old;
+
+INSERT INTO user_portal (bridge_id, user_mxid, login_id, portal_id, portal_receiver, in_space, preferred)
+SELECT
+    '', -- bridge_id
+    user_old.mxid, -- user_mxid
+    CAST(user_portal_old.user AS TEXT), -- login_id
+    portal_old.peer_type || ':' || CAST(user_portal_old.portal AS TEXT), -- portal_id
+    CASE WHEN peer_type='channel' THEN '' ELSE CAST(user_portal_old.portal_receiver AS TEXT) END, -- portal_receiver
+    false, -- in_space
+    false -- preferred
+FROM user_portal_old
+INNER JOIN user_old ON user_portal_old."user" = user_old.tgid
+INNER JOIN portal_old ON user_portal_old.portal = portal_old.tgid and user_portal_old.portal_receiver = portal_old.tg_receiver;
+
+INSERT INTO user_portal (bridge_id, user_mxid, login_id, portal_id, portal_receiver, in_space, preferred)
+SELECT
+    '', -- bridge_id
+    user_old.mxid, -- user_mxid
+    CAST(portal_old.tg_receiver AS TEXT), -- login_id
+    portal_old.peer_type || ':' || CAST(portal_old.tgid AS TEXT), -- portal_id
+    CAST(portal_old.tg_receiver AS TEXT), -- portal_receiver
+    false, -- in_space
+    false -- preferred
+FROM portal_old
+INNER JOIN user_old ON portal_old.tg_receiver = user_old.tgid
+WHERE portal_old.tg_receiver<>portal_old.tgid
+ON CONFLICT (bridge_id, user_mxid, login_id, portal_id, portal_receiver) DO NOTHING;
+
+INSERT INTO ghost (bridge_id, id, name, avatar_id, avatar_hash, avatar_mxc, name_set, avatar_set, contact_info_set, is_bot, identifiers, metadata)
+VALUES ('', '', '', '', '', '', false, false, false, false, '[]', '{}');
+
+UPDATE message_old SET sender=NULL WHERE sender IS NOT NULL AND NOT EXISTS(SELECT 1 FROM puppet_old WHERE id=sender);
+
+INSERT INTO message (
+    bridge_id, id, part_id, mxid, room_id, room_receiver, sender_id, sender_mxid, timestamp, edit_count, metadata
+)
+SELECT
+    '', -- bridge_id
+    CASE WHEN tg_space=portal_old.tgid THEN (CAST(tg_space AS TEXT) || '.') ELSE '' END || CAST(message_old.tgid AS TEXT), -- id
+    '', -- part_id
+    message_old.mxid, -- mxid
+    portal_old.peer_type || ':' || CAST(portal_old.tgid AS TEXT), -- room_id
+    CASE WHEN portal_old.peer_type='channel' THEN '' ELSE CAST(portal_old.tg_receiver AS TEXT) END, -- room_receiver
+    COALESCE(CAST(sender AS TEXT), ''), -- sender_id
+    COALESCE(sender_mxid, ''),
+    0, -- timestamp
+    0, -- edit_count
+    -- only: postgres
+    jsonb_build_object
+    -- only: sqlite (line commented)
+--  json_object
+    (
+        'content_hash', CASE WHEN content_hash IS NULL THEN '' ELSE encode(content_hash, 'base64') END
+    ) -- metadata
+FROM message_old
+INNER JOIN portal_old ON mx_room=portal_old.mxid
+WHERE (tg_space=portal_old.tgid OR tg_space=portal_old.tg_receiver) AND edit_index=0;
+-- TODO migrate edit_index?
+
+INSERT INTO reaction (
+    bridge_id, message_id, message_part_id, sender_id, emoji_id, room_id, room_receiver, mxid, timestamp, emoji, metadata
+)
+SELECT
+    '', -- bridge_id
+    message.id, -- message_id
+    message.part_id, -- message_part_id
+    CAST(tg_sender AS TEXT), -- sender_id
+    reaction, -- emoji_id
+    message.room_id, -- room_id
+    message.room_receiver, -- room_receiver
+    reaction_old.mxid, -- mxid
+    0, -- timestamp
+    reaction, -- emoji
+    '{}' -- metadata
+FROM reaction_old
+INNER JOIN message ON reaction_old.msg_mxid=message.mxid;
+
+INSERT INTO telegram_access_hash (user_id, entity_type, entity_id, access_hash)
+SELECT
+    user_old.tgid,
+    CASE WHEN id < 0 THEN 'channel' ELSE 'user' END,
+    CASE WHEN id < 0 THEN -id - 1000000000000 ELSE id END,
+    hash
+FROM telethon_entities_old
+LEFT JOIN user_old ON user_old.mxid=session_id
+WHERE user_old.tgid IS NOT NULL AND hash<>0;
+
+INSERT INTO telegram_user_state (user_id, pts, qts, date, seq)
+SELECT user_old.tgid, pts, qts, date, seq
+FROM telethon_update_state_old
+LEFT JOIN user_old ON user_old.mxid=session_id
+WHERE entity_id=0 AND user_old.tgid IS NOT NULL;
+
+INSERT INTO telegram_channel_state (user_id, channel_id, pts)
+SELECT user_old.tgid, entity_id, pts
+FROM telethon_update_state_old
+LEFT JOIN user_old ON user_old.mxid=session_id
+WHERE entity_id<>0 AND user_old.tgid IS NOT NULL;
+
+INSERT INTO telegram_username (username, entity_type, entity_id)
+SELECT
+    username,
+    CASE WHEN id < 0 THEN 'channel' ELSE 'user' END,
+    CASE WHEN id < 0 THEN -id - 1000000000000 ELSE id END
+FROM telethon_entities_old
+WHERE username<>''
+ON CONFLICT DO NOTHING;
+
+INSERT INTO telegram_phone_number (phone_number, entity_id)
+SELECT phone, id
+FROM telethon_entities_old
+WHERE phone<>''
+ON CONFLICT DO NOTHING;
+
+INSERT INTO telegram_file (id, mxc, mime_type, size, width, height, timestamp)
+SELECT id, mxc, mime_type, size, width, height, timestamp
+FROM telegram_file_old;
+
+INSERT INTO disappearing_message (bridge_id, mx_room, mxid, type, timer, disappear_at)
+SELECT
+    '', -- bridge_id
+    room_id,
+    event_id,
+    'after_send',
+    expiration_seconds * 1000000000,
+    expiration_ts * 1000000
+FROM disappearing_message_old
+WHERE expiration_ts<9999999999999 AND expiration_seconds<999999
+  AND room_id IN (SELECT mxid FROM portal WHERE mxid IS NOT NULL);
+
+-- TODO do something with the bot_chat table?
+
+-- Python -> Go mx_ table migration
+-- only: postgres until "end only"
+ALTER TABLE mx_room_state DROP COLUMN is_encrypted;
+ALTER TABLE mx_room_state RENAME COLUMN has_full_member_list TO members_fetched;
+UPDATE mx_room_state SET members_fetched=false WHERE members_fetched IS NULL;
+ALTER TABLE mx_room_state ADD COLUMN join_rules jsonb;
+
+ALTER TABLE mx_room_state ALTER COLUMN power_levels TYPE jsonb USING power_levels::jsonb;
+ALTER TABLE mx_room_state ALTER COLUMN encryption TYPE jsonb USING encryption::jsonb;
+ALTER TABLE mx_room_state ALTER COLUMN create_event TYPE jsonb USING create_event::jsonb;
+ALTER TABLE mx_room_state ALTER COLUMN members_fetched SET DEFAULT false;
+ALTER TABLE mx_room_state ALTER COLUMN members_fetched SET NOT NULL;
+-- end only postgres
+-- only: sqlite until "end only"
+CREATE TABLE new_mx_room_state (
+    room_id         TEXT PRIMARY KEY,
+    power_levels    jsonb,
+    encryption      jsonb,
+    create_event    jsonb,
+    join_rules      jsonb,
+    members_fetched BOOLEAN NOT NULL DEFAULT false
+);
+
+INSERT INTO new_mx_room_state (room_id, encryption, power_levels, create_event, members_fetched)
+SELECT room_id, encryption, power_levels, create_event, COALESCE(has_full_member_list, false)
+FROM mx_room_state;
+
+DROP TABLE mx_room_state;
+ALTER TABLE new_mx_room_state RENAME TO mx_room_state;
+-- end only sqlite
+
+ALTER TABLE mx_user_profile ADD COLUMN name_skeleton bytea;
+CREATE INDEX mx_user_profile_membership_idx ON mx_user_profile (room_id, membership);
+CREATE INDEX mx_user_profile_name_skeleton_idx ON mx_user_profile (room_id, name_skeleton);
+
+UPDATE mx_user_profile SET displayname='' WHERE displayname IS NULL;
+UPDATE mx_user_profile SET avatar_url='' WHERE avatar_url IS NULL;
+
+CREATE TABLE mx_registrations (
+    user_id TEXT PRIMARY KEY
+);
+
+UPDATE mx_version SET version=10;
+DELETE FROM mx_user_profile WHERE room_id='' OR user_id='';
+DELETE FROM mx_room_state WHERE room_id='';
+
+DROP TABLE user_portal_old;
+DROP TABLE backfill_queue_old;
+DROP TABLE bot_chat_old;
+DROP TABLE contact_old;
+DROP TABLE disappearing_message_old;
+DROP TABLE message_old;
+DROP TABLE reaction_old;
+DROP TABLE portal_old;
+DROP TABLE puppet_old;
+DROP TABLE user_old;
+-- only: postgres (this is deleted separately for sqlite)
+DROP TABLE telegram_file_old;
+DROP TABLE telethon_entities_old;
+DROP TABLE telethon_sent_files_old;
+DROP TABLE telethon_sessions_old;
+DROP TABLE telethon_update_state_old;
@@ -0,0 +1,427 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2024 Sumner Evans
+//
+// 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/>.
+
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"sync"
+
+	"github.com/gorilla/websocket"
+	"github.com/rs/zerolog"
+	"go.mau.fi/util/exhttp"
+	"maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/bridgev2/status"
+	"maunium.net/go/mautrix/id"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector"
+	"go.mau.fi/mautrix-telegram/pkg/connector/ids"
+)
+
+type response struct {
+	Username id.UserID `json:"username,omitempty"`
+	State    string    `json:"state,omitempty"`
+	Message  string    `json:"message,omitempty"`
+	Error    string    `json:"error,omitempty"`
+	ErrCode  string    `json:"errcode,omitempty"`
+}
+
+func (r response) WithState(state string) response {
+	r.State = state
+	return r
+}
+
+func (r response) WithMessage(message string) response {
+	r.Message = message
+	return r
+}
+
+func (r response) WithError(errCode, error string) response {
+	r.ErrCode = errCode
+	r.Error = error
+	return r
+}
+
+type legacyLogin struct {
+	Process  bridgev2.LoginProcess
+	NextStep *bridgev2.LoginStep
+}
+
+var inflightLegacyLoginsLock sync.RWMutex
+var inflightLegacyLogins = map[id.UserID]*legacyLogin{}
+
+var upgrader = websocket.Upgrader{
+	CheckOrigin: func(r *http.Request) bool {
+		return true
+	},
+	Subprotocols: []string{"net.maunium.telegram.login"},
+}
+
+func legacyProvLoginQR(w http.ResponseWriter, r *http.Request) {
+	log := zerolog.Ctx(r.Context()).With().Str("prov_method", "qr_login").Logger()
+	ctx := log.WithContext(r.Context())
+
+	user := m.Matrix.Provisioning.GetUser(r)
+	resp := response{Username: user.MXID}
+
+	var err error
+	var loginProcess bridgev2.LoginProcess
+	var nextStep *bridgev2.LoginStep
+	if loginProcess, err = c.CreateLogin(ctx, user, connector.LoginFlowIDQR); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("create_login_failed", fmt.Sprintf("Failed to create a QR login process: %s", err.Error())))
+	} else if nextStep, err = loginProcess.Start(ctx); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("start_login_failed", fmt.Sprintf("Failed to start login process: %s", err.Error())))
+	} else if nextStep.StepID != connector.LoginStepIDShowQR {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected first step %s", nextStep.StepID)))
+	}
+
+	ws, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Err(err).Msg("Failed to upgrade connection to websocket")
+		return
+	}
+	defer func() {
+		err := ws.Close()
+		if err != nil {
+			log.Debug().Err(err).Msg("Error closing websocket")
+		}
+	}()
+
+	go func() {
+		// Read everything so SetCloseHandler() works
+		for {
+			_, _, err = ws.ReadMessage()
+			if err != nil {
+				break
+			}
+		}
+	}()
+	ctx, cancel := context.WithCancel(context.Background())
+	ws.SetCloseHandler(func(code int, text string) error {
+		log.Debug().Int("close_code", code).Msg("Login websocket closed, cancelling login")
+		cancel()
+		return nil
+	})
+
+	for {
+		switch nextStep.StepID {
+		case connector.LoginStepIDShowQR:
+			ws.WriteJSON(map[string]any{"code": nextStep.DisplayAndWaitParams.Data})
+			nextStep, err = loginProcess.(bridgev2.LoginProcessDisplayAndWait).Wait(ctx)
+			if err != nil {
+				ws.WriteJSON(map[string]any{
+					"success": false,
+					"error":   "qr_login_failed",
+					"message": fmt.Sprintf("Failed to login using QR code: %s", err),
+				})
+				return
+			}
+		case connector.LoginStepIDComplete:
+			ws.WriteJSON(map[string]any{"success": true})
+			go handleLoginComplete(ctx, user, nextStep.CompleteParams.UserLogin)
+			return
+		case connector.LoginStepIDPassword:
+			inflightLegacyLoginsLock.Lock()
+			inflightLegacyLogins[user.MXID] = &legacyLogin{Process: loginProcess, NextStep: nextStep}
+			inflightLegacyLoginsLock.Unlock()
+			ws.WriteJSON(map[string]any{"success": false, "error": "password-needed"})
+			return
+		default:
+			ws.WriteJSON(map[string]any{
+				"success": false,
+				"error":   "unexpected_step",
+				"message": fmt.Sprintf("Unexpected step in QR code login process %s", nextStep.StepID),
+			})
+			return
+		}
+	}
+}
+
+func legacyProvLoginRequestCode(w http.ResponseWriter, r *http.Request) {
+	log := zerolog.Ctx(r.Context()).With().Str("prov_step", "request_code").Logger()
+	ctx := log.WithContext(r.Context())
+
+	user := m.Matrix.Provisioning.GetUser(r)
+	resp := response{Username: user.MXID, State: "request"}
+
+	legacyProvRequestCodeReq := map[string]string{}
+	if err := json.NewDecoder(r.Body).Decode(&legacyProvRequestCodeReq); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("request_body_invalid", "Request body is invalid"))
+	} else if phone, ok := legacyProvRequestCodeReq["phone"]; !ok || phone == "" {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("phone_missing", "Phone number missing"))
+	} else if loginProcess, err := c.CreateLogin(ctx, user, connector.LoginFlowIDPhone); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("create_login_failed", fmt.Sprintf("Failed to create a phone number login process: %s", err.Error())))
+	} else if firstStep, err := loginProcess.Start(ctx); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("start_login_failed", fmt.Sprintf("Failed to start login process: %s", err.Error())))
+	} else if firstStep.StepID != connector.LoginStepIDPhoneNumber {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected first step %s", firstStep.StepID)))
+	} else if nextStep, err := loginProcess.(bridgev2.LoginProcessUserInput).SubmitUserInput(ctx, map[string]string{connector.LoginStepIDPhoneNumber: phone}); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("request_code_failed", fmt.Sprintf("Failed to request code: %s", err.Error())))
+	} else if nextStep.StepID != connector.LoginStepIDCode {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected step %s", nextStep.StepID)))
+	} else {
+		inflightLegacyLoginsLock.Lock()
+		inflightLegacyLogins[user.MXID] = &legacyLogin{Process: loginProcess, NextStep: nextStep}
+		inflightLegacyLoginsLock.Unlock()
+		exhttp.WriteJSONResponse(w, http.StatusOK, resp.
+			WithState("code").
+			WithMessage("Code requested successfully. Check your SMS or Telegram app and enter the code below."),
+		)
+	}
+}
+
+func legacyProvLoginSendCode(w http.ResponseWriter, r *http.Request) {
+	log := zerolog.Ctx(r.Context()).With().Str("prov_step", "send_code").Logger()
+	ctx := log.WithContext(r.Context())
+
+	user := m.Matrix.Provisioning.GetUser(r)
+	resp := response{Username: user.MXID, State: "code"}
+
+	legacyProvSendCodeReq := map[string]string{}
+	if inflightLogin, ok := inflightLegacyLogins[user.MXID]; !ok {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("no_login", "No login process in progress"))
+	} else if inflightLogin.NextStep.StepID != connector.LoginStepIDCode {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected step %s", inflightLogin.NextStep.StepID)))
+	} else if err := json.NewDecoder(r.Body).Decode(&legacyProvSendCodeReq); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("request_body_invalid", "Request body is invalid"))
+	} else if code, ok := legacyProvSendCodeReq["code"]; !ok || code == "" {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("phone_code_missing", "You must provide the code from your phone."))
+	} else if nextStep, err := inflightLogin.Process.(bridgev2.LoginProcessUserInput).SubmitUserInput(ctx, map[string]string{connector.LoginStepIDCode: code}); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("send_code_failed", fmt.Sprintf("Failed to send code: %s", err.Error())))
+	} else if nextStep.StepID == connector.LoginStepIDPassword {
+		inflightLegacyLoginsLock.Lock()
+		defer inflightLegacyLoginsLock.Unlock()
+		inflightLegacyLogins[user.MXID].NextStep = nextStep
+		exhttp.WriteJSONResponse(w, http.StatusAccepted, resp.
+			WithState("password").
+			WithMessage("Code accepted, but you have 2-factor authentication enabled. Please enter your password."),
+		)
+		return // Don't delete the inflight login yet, we need to submit the password.
+	} else if nextStep.StepID == connector.LoginStepIDComplete {
+		exhttp.WriteJSONResponse(w, http.StatusOK, resp.WithState("logged-in"))
+		go handleLoginComplete(ctx, user, nextStep.CompleteParams.UserLogin)
+	} else {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected step %s", nextStep.StepID)))
+	}
+
+	// If we got here, then there was an error, or the login is complete.
+	// Delete the in-flight login.
+	inflightLegacyLoginsLock.Lock()
+	delete(inflightLegacyLogins, user.MXID)
+	inflightLegacyLoginsLock.Unlock()
+}
+
+func legacyProvLoginSendPassword(w http.ResponseWriter, r *http.Request) {
+	log := zerolog.Ctx(r.Context()).With().Str("prov_step", "send_password").Logger()
+	ctx := log.WithContext(r.Context())
+
+	user := m.Matrix.Provisioning.GetUser(r)
+	resp := response{Username: user.MXID, State: "password"}
+
+	legacyProvSendPasswordReq := map[string]string{}
+	if inflightLogin, ok := inflightLegacyLogins[user.MXID]; !ok {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("no_login", "No login process in progress"))
+	} else if inflightLogin.NextStep.StepID != connector.LoginStepIDPassword {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected step %s", inflightLogin.NextStep.StepID)))
+	} else if err := json.NewDecoder(r.Body).Decode(&legacyProvSendPasswordReq); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("request_body_invalid", "Request body is invalid"))
+	} else if password, ok := legacyProvSendPasswordReq["password"]; !ok || password == "" {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("password_missing", "You must provide your password."))
+	} else if nextStep, err := inflightLogin.Process.(bridgev2.LoginProcessUserInput).SubmitUserInput(ctx, map[string]string{connector.LoginStepIDPassword: password}); err != nil {
+		exhttp.WriteJSONResponse(w, http.StatusBadRequest, resp.WithError("send_password_failed", fmt.Sprintf("Failed to send password: %s", err.Error())))
+	} else if nextStep.StepID == connector.LoginStepIDComplete {
+		exhttp.WriteJSONResponse(w, http.StatusOK, resp.WithState("logged-in").WithMessage(nextStep.Instructions))
+		go handleLoginComplete(ctx, user, nextStep.CompleteParams.UserLogin)
+	} else {
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("unexpected_step", fmt.Sprintf("Unexpected step %s", nextStep.StepID)))
+	}
+
+	// If we got here, then there was an error, or the login is complete.
+	// Delete the in-flight login.
+	inflightLegacyLoginsLock.Lock()
+	delete(inflightLegacyLogins, user.MXID)
+	inflightLegacyLoginsLock.Unlock()
+}
+
+func legacyProvLogout(w http.ResponseWriter, r *http.Request) {
+	user := m.Matrix.Provisioning.GetUser(r)
+	resp := response{Username: user.MXID}
+	logins := user.GetUserLogins()
+	if len(logins) == 0 {
+		exhttp.WriteJSONResponse(w, http.StatusOK, resp.WithError("not logged in", "You're not logged in"))
+		return
+	}
+	for _, login := range logins {
+		login.Client.(*connector.TelegramClient).LogoutRemote(r.Context())
+	}
+	exhttp.WriteEmptyJSONResponse(w, http.StatusOK)
+}
+
+func handleLoginComplete(ctx context.Context, user *bridgev2.User, newLogin *bridgev2.UserLogin) {
+	allLogins := user.GetUserLogins()
+	for _, login := range allLogins {
+		if login.ID != newLogin.ID {
+			login.Delete(ctx, status.BridgeState{StateEvent: status.StateLoggedOut, Reason: "LOGIN_OVERRIDDEN"}, bridgev2.DeleteOpts{})
+		}
+	}
+}
+
+func legacyProvContacts(w http.ResponseWriter, r *http.Request) {
+	log := zerolog.Ctx(r.Context()).With().
+		Str("prov_method", "contacts").
+		Logger()
+	ctx := log.WithContext(r.Context())
+
+	var resp response
+	login := m.Matrix.Provisioning.GetLoginForRequest(w, r)
+	if login == nil {
+		exhttp.WriteJSONResponse(w, http.StatusNotFound, resp.WithError(mautrix.MNotFound.ErrCode, "No login found"))
+		return
+	}
+	api := login.Client.(bridgev2.ContactListingNetworkAPI)
+	contacts, err := api.GetContactList(ctx)
+	if err != nil {
+		log.Err(err).Msg("Failed to get contacts")
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("M_UNKNOWN", fmt.Sprintf("Failed to get contacts: %v", err)))
+		return
+	}
+
+	contactsMap := map[int64]*legacyContactInfo{}
+	for _, contact := range contacts {
+		peerType, id, err := ids.ParseUserID(contact.UserID)
+		if err != nil {
+			log.Err(err).Msg("Failed to parse user id")
+			exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("M_UNKNOWN", fmt.Sprintf("Failed to parse user id: %v", err)))
+			return
+		} else if peerType != ids.PeerTypeUser {
+			log.Err(err).Msg("Unexpected peer type")
+			exhttp.WriteJSONResponse(w, http.StatusInternalServerError, resp.WithError("M_UNKNOWN", fmt.Sprintf("Unexpected peer type: %s", peerType)))
+			return
+		}
+		if contact.UserInfo != nil {
+			contact.Ghost.UpdateInfo(ctx, contact.UserInfo)
+		}
+		contactsMap[id] = legacyContactInfoFromGhost(contact.Ghost)
+	}
+
+	exhttp.WriteJSONResponse(w, http.StatusOK, contactsMap)
+}
+
+func legacyProvResolveIdentifier(w http.ResponseWriter, r *http.Request) {
+	legacyResolveIdentifierOrStartChat(w, r, false)
+}
+
+func legacyProvPM(w http.ResponseWriter, r *http.Request) {
+	legacyResolveIdentifierOrStartChat(w, r, true)
+}
+
+type legacyResolveIdentifierResponse struct {
+	RoomID      id.RoomID          `json:"room_id,omitempty"`
+	JustCreated bool               `json:"just_created,omitempty"`
+	ID          int                `json:"id,omitempty"`
+	ContactInfo *legacyContactInfo `json:"contact_info,omitempty"`
+}
+
+type legacyContactInfo struct {
+	Name      string              `json:"name,omitempty"`
+	Username  string              `json:"username,omitempty"`
+	Phone     string              `json:"phone,omitempty"`
+	IsBot     bool                `json:"is_bot,omitempty"`
+	AvatarURL id.ContentURIString `json:"avatar_url,omitempty"`
+}
+
+func legacyContactInfoFromGhost(ghost *bridgev2.Ghost) *legacyContactInfo {
+	var username, phone string
+	for _, id := range ghost.Identifiers {
+		if strings.HasPrefix(id, "telegram:") {
+			username = strings.TrimPrefix(id, "telegram:")
+		} else if strings.HasPrefix(id, "tel:") {
+			phone = strings.TrimPrefix(id, "tel:")
+		}
+	}
+
+	return &legacyContactInfo{
+		Name:      ghost.Name,
+		Username:  username,
+		Phone:     phone,
+		IsBot:     ghost.IsBot,
+		AvatarURL: ghost.AvatarMXC,
+	}
+}
+
+func legacyResolveIdentifierOrStartChat(w http.ResponseWriter, r *http.Request, create bool) {
+	log := zerolog.Ctx(r.Context()).With().
+		Str("prov_method", "resolve_identifier").
+		Bool("create", create).
+		Logger()
+	ctx := log.WithContext(r.Context())
+
+	var resp response
+	login := m.Matrix.Provisioning.GetLoginForRequest(w, r)
+	if login == nil {
+		exhttp.WriteJSONResponse(w, http.StatusNotFound, resp.WithError(mautrix.MNotFound.ErrCode, "No login found"))
+		return
+	}
+	api := login.Client.(bridgev2.IdentifierResolvingNetworkAPI)
+	identResp, err := api.ResolveIdentifier(ctx, r.PathValue("identifier"), create)
+	if err != nil {
+		log.Err(err).Msg("Failed to resolve identifier")
+		exhttp.WriteJSONResponse(w, http.StatusInternalServerError,
+			resp.WithError("M_UNKNOWN", fmt.Sprintf("Failed to resolve identifier: %v", err)))
+		return
+	} else if identResp == nil {
+		exhttp.WriteJSONResponse(w, http.StatusNotFound,
+			resp.WithError(mautrix.MNotFound.ErrCode, "User not found on Telegram"))
+		return
+	}
+	status := http.StatusOK
+	var apiResp legacyResolveIdentifierResponse
+	if identResp.Ghost != nil {
+		if identResp.UserInfo != nil {
+			identResp.Ghost.UpdateInfo(ctx, identResp.UserInfo)
+		}
+		apiResp.ContactInfo = legacyContactInfoFromGhost(identResp.Ghost)
+	}
+	if identResp.Chat != nil {
+		if identResp.Chat.Portal == nil {
+			identResp.Chat.Portal, err = m.Bridge.GetPortalByKey(ctx, identResp.Chat.PortalKey)
+			if err != nil {
+				log.Err(err).Msg("Failed to get portal")
+				exhttp.WriteJSONResponse(w, http.StatusInternalServerError,
+					resp.WithError("M_UNKNOWN", "Failed to get portal"))
+				return
+			}
+		}
+		if create && identResp.Chat.Portal.MXID == "" {
+			apiResp.JustCreated = true
+			status = http.StatusCreated
+			err = identResp.Chat.Portal.CreateMatrixRoom(ctx, login, identResp.Chat.PortalInfo)
+			if err != nil {
+				log.Err(err).Msg("Failed to create portal room")
+				exhttp.WriteJSONResponse(w, http.StatusInternalServerError,
+					resp.WithError("M_UNKNOWN", "Failed to create portal room"))
+				return
+			}
+		}
+		apiResp.RoomID = identResp.Chat.Portal.MXID
+	}
+	exhttp.WriteJSONResponse(w, status, &apiResp)
+}
@@ -0,0 +1,127 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2024 Sumner Evans
+//
+// 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/>.
+
+package main
+
+import (
+	"context"
+	"encoding/base64"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"go.mau.fi/util/dbutil/litestream"
+	"go.mau.fi/util/exerrors"
+	"maunium.net/go/mautrix/bridgev2/bridgeconfig"
+	"maunium.net/go/mautrix/bridgev2/matrix/mxmain"
+	"maunium.net/go/mautrix/id"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector"
+	"go.mau.fi/mautrix-telegram/pkg/connector/store/upgrades"
+)
+
+// Information to find out exactly which commit the bridge was built from.
+// These are filled at build time with the -X linker flag.
+var (
+	Tag       = "unknown"
+	Commit    = "unknown"
+	BuildTime = "unknown"
+)
+
+var c = &connector.TelegramConnector{}
+var m = mxmain.BridgeMain{
+	Name:        "mautrix-telegram",
+	URL:         "https://github.com/mautrix/telegram",
+	Description: "A Matrix-Telegram puppeting bridge.",
+	Version:     "26.04",
+	SemCalVer:   true,
+
+	Connector: c,
+}
+
+func init() {
+	litestream.Functions["encode"] = func(data []byte, encoding string) string {
+		if encoding == "base64" {
+			return base64.StdEncoding.EncodeToString(data)
+		}
+		panic(fmt.Errorf("unknown encoding %q", encoding))
+	}
+}
+
+func main() {
+	bridgeconfig.HackyMigrateLegacyNetworkConfig = migrateLegacyConfig
+	versionWithoutCommit := m.Version
+	m.PostStart = func() {
+		if m.Matrix.Provisioning != nil {
+			m.Matrix.Provisioning.GetAuthFromRequest = func(r *http.Request) string {
+				if !strings.HasSuffix(r.URL.Path, "/login/qr") {
+					return ""
+				}
+				authParts := strings.Split(r.Header.Get("Sec-WebSocket-Protocol"), ",")
+				for _, part := range authParts {
+					part = strings.TrimSpace(part)
+					if strings.HasPrefix(part, "net.maunium.telegram.auth-") {
+						return strings.TrimPrefix(part, "net.maunium.telegram.auth-")
+					}
+				}
+				return ""
+			}
+			m.Matrix.Provisioning.GetUserIDFromRequest = func(r *http.Request) id.UserID {
+				return id.UserID(r.PathValue("userID"))
+			}
+			m.Matrix.Provisioning.Router.HandleFunc("/v1/user/{userID}/login/qr", legacyProvLoginQR)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v1/user/{userID}/login/request_code", legacyProvLoginRequestCode)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v1/user/{userID}/login/send_code", legacyProvLoginSendCode)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v1/user/{userID}/login/send_password", legacyProvLoginSendPassword)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v1/user/{userID}/logout", legacyProvLogout)
+			m.Matrix.Provisioning.Router.HandleFunc("GET /v1/user/{userID}/contacts", legacyProvContacts)
+			m.Matrix.Provisioning.Router.HandleFunc("/v1/user/{userID}/resolve_identifier/{identifier}", legacyProvResolveIdentifier)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v1/user/{userID}/pm/{identifier}", legacyProvPM)
+		}
+	}
+	m.PostInit = func() {
+		if c.Config.DeviceInfo.AppVersion == "auto" {
+			c.Config.DeviceInfo.AppVersion = versionWithoutCommit
+		}
+		if c.Config.DeviceInfo.SystemVersion == "auto" {
+			c.Config.DeviceInfo.SystemVersion = ""
+		}
+		if c.Config.DeviceInfo.DeviceModel == "auto" || c.Config.DeviceInfo.DeviceModel == "" {
+			c.Config.DeviceInfo.DeviceModel = "mautrix-telegram"
+		}
+		m.CheckLegacyDB(
+			18,
+			"v0.14.0",
+			"v26.04",
+			m.LegacyMigrateWithAnotherUpgrader(
+				legacyMigrateRenameTables, legacyMigrateCopyData, 27,
+				upgrades.Table, "telegram_version", 6,
+			),
+			true,
+		)
+		ctx := context.TODO()
+		if exists, _ := m.DB.TableExists(ctx, "telegram_file_old"); exists {
+			exerrors.Must(m.DB.Exec(ctx, `
+				PRAGMA foreign_keys = 'OFF';
+				DROP TABLE telegram_file_old;
+				PRAGMA foreign_key_check;
+				PRAGMA foreign_keys = 'ON';
+			`))
+		}
+	}
+	m.InitVersion(Tag, Commit, BuildTime)
+	m.Run()
+}
@@ -1,39 +1,37 @@
 #!/bin/sh

-# Define functions.
+if [[ -z "$GID" ]]; then
+	GID="$UID"
+fi
+
+BINARY_NAME=/usr/bin/mautrix-telegram
+
 function fixperms {
-	chown -R $UID:$GID /data /opt/mautrix-telegram
+	chown -R $UID:$GID /data
+
+	# /opt/mautrix-telegram is read-only, so disable file logging if it's pointing there.
+	if [[ "$(yq e '.logging.writers[1].filename' /data/config.yaml)" == "./logs/mautrix-telegram.log" ]]; then
+		yq -I4 e -i 'del(.logging.writers[1])' /data/config.yaml
+	fi
 }

-cd /opt/mautrix-telegram
-
-# Replace database path in config.
-sed -i "s#sqlite:///mautrix-telegram.db#sqlite:////data/mautrix-telegram.db#" /data/config.yaml
-
-if [ -f /data/mx-state.json ]; then
-	ln -s /data/mx-state.json
-fi
-# Check that database is in the right state
-alembic -x config=/data/config.yaml upgrade head
-
-if [ ! -f /data/config.yaml ]; then
-	cp example-config.yaml /data/config.yaml
+if [[ ! -f /data/config.yaml ]]; then
+	$BINARY_NAME -c /data/config.yaml -e
 	echo "Didn't find a config file."
 	echo "Copied default config file to /data/config.yaml"
 	echo "Modify that config file to your liking."
 	echo "Start the container again after that to generate the registration file."
-	fixperms
 	exit
 fi

-if [ ! -f /data/registration.yaml ]; then
-	python3 -m mautrix_telegram -g -c /data/config.yaml -r /data/registration.yaml
+if [[ ! -f /data/registration.yaml ]]; then
+	$BINARY_NAME -g -c /data/config.yaml -r /data/registration.yaml
 	echo "Didn't find a registration file."
 	echo "Generated one for you."
-	echo "Copy that over to synapses app service directory."
-	fixperms
+	echo "See https://docs.mau.fi/bridges/general/registering-appservices.html on how to use it."
 	exit
 fi

+cd /data
 fixperms
-exec su-exec $UID:$GID python3 -m mautrix_telegram -c /data/config.yaml
+exec su-exec $UID:$GID $BINARY_NAME
@@ -1,286 +0,0 @@
-# Homeserver details
-homeserver:
-    # The address that this appservice can use to connect to the homeserver.
-    address: https://matrix.org
-    # The domain of the homeserver (for MXIDs, etc).
-    domain: matrix.org
-    # Whether or not to verify the SSL certificate of the homeserver.
-    # Only applies if address starts with https://
-    verify_ssl: true
-
-# Application service host/registration related details
-# 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
-
-    # The hostname and port where this appservice should listen.
-    hostname: 0.0.0.0
-    port: 8080
-    # 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
-
-    # The full URI to the database. SQLite and Postgres are fully supported.
-    # Other DBMSes supported by SQLAlchemy may or may not work.
-    # Format examples:
-    #   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
-    # 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.
-        # Set to "generate" to generate and save a new token.
-        shared_secret: generate
-
-    # The unique ID of this appservice.
-    id: telegram
-    # Username of the appservice bot.
-    bot_username: telegrambot
-    # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
-    # to leave display name/avatar as-is.
-    bot_displayname: Telegram bridge bot
-    bot_avatar: mxc://maunium.net/tJCRmUyJDsgRNgqhOgoiHWbX
-
-    # 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"
-
-# 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}"
-    # Displayname template for Telegram users.
-    # {displayname} is replaced with the display name of the Telegram user.
-    displayname_template: "{displayname} (Telegram)"
-
-    # Set the preferred order of user identifiers which to use in the Matrix puppet display name.
-    # In the (hopefully unlikely) scenario that none of the given keys are found, the numeric user
-    # ID is used.
-    #
-    # If the bridge is working properly, a phone number or an username should always be known, but
-    # the other one can very well be empty.
-    #
-    # Valid keys:
-    #   "full name"          (First and/or last name)
-    #   "full name reversed" (Last and/or first name)
-    #   "first name"
-    #   "last name"
-    #   "username"
-    #   "phone number"
-    displayname_preference:
-    - full name
-    - username
-    - phone number
-
-    # 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
-    # will not send any more members.
-    # Defaults to no local limit (-> limited to 10000 by server)
-    max_initial_member_sync: -1
-    # Whether or not to sync the member list in channels.
-    # 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
-    # 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
-    # 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
-    # Whether or not to bridge plaintext highlights.
-    # 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
-
-    # Some config options related to Telegram message deduplication.
-    # The default values are usually fine, but some debug messages/warnings might recommend you
-    # change these.
-    deduplication:
-        # Whether or not to check the database if the message about to be sent is a duplicate.
-        pre_db_check: false
-        # The number of latest events to keep when checking for duplicates.
-        # 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.
-    #
-    # 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)
-    #   $message               - The message content as HTML
-    message_formats:
-        m.text: "<b>$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: $message"
-
-    # The formats to use when sending state events to Telegram via the relay bot.
-    #
-    # Variables from `message_formats` that have the `sender_` prefix are available without the prefix.
-    # In name_change events, `$prev_displayname` is the previous displayname.
-    #
-    # Set format to an empty string to disable the messages for that event.
-    state_event_formats:
-        join: "<b>$displayname</b> joined the room."
-        leave: "<b>$displayname</b> left the room."
-        name_change: "<b>$prev_displayname</b> changed their name to <b>$displayname</b>"
-
-    # Filter rooms that can/can't be bridged. Can also be managed using the `filter` and
-    # `filter-mode` management commands.
-    #
-    # Filters do not affect direct chats.
-    # An empty blacklist will essentially disable the filter.
-    filter:
-        # Filter mode to use. Either "blacklist" or "whitelist".
-        # If the mode is "blacklist", the listed chats will never be bridged.
-        # If the mode is "whitelist", only the listed chats can be bridged.
-        mode: blacklist
-        # The list of group/channel IDs to filter.
-        list: []
-
-    # The prefix for commands. Only required in non-management rooms.
-    command_prefix: "!tg"
-
-    # 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"
-
-    # Options related to the message relay Telegram bot.
-    relaybot:
-        # 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.
-        whitelist_group_admins: true
-        # Whether or not to ignore incoming events sent by the relay bot.
-        ignore_own_incoming_events: true
-        # List of usernames/user IDs who are also allowed to use the bot commands.
-        whitelist:
-        - myusername
-        - 12345678
-
-# 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: disabled
-    # Telethon proxy configuration.
-    # You must install PySocks from pip for proxies to work.
-    proxy:
-        # Allowed types: disabled, socks4, socks5, http
-        type: disabled
-        # Proxy IP address and port.
-        address: 127.0.0.1
-        port: 1080
-        # Whether or not to perform DNS resolving remotely.
-        rdns: true
-        # Proxy authentication (optional).
-        username: ""
-        password: ""
-
-# Python logging configuration.
-#
-# See section 16.7.2 of the Python documentation for more info:
-# https://docs.python.org/3.6/library/logging.config.html#configuration-dictionary-schema
-logging:
-    version: 1
-    formatters:
-        precise:
-            format: "[%(asctime)s] [%(levelname)s@%(name)s] %(message)s"
-    handlers:
-        file:
-            class: logging.handlers.RotatingFileHandler
-            formatter: precise
-            filename: ./mautrix-telegram.log
-            maxBytes: 10485760
-            backupCount: 10
-        console:
-            class: logging.StreamHandler
-            formatter: precise
-    loggers:
-        mau:
-            level: DEBUG
-        telethon:
-            level: DEBUG
-        aiohttp:
-            level: INFO
-    root:
-        level: DEBUG
-        handlers: [file, console]
@@ -0,0 +1,81 @@
+module go.mau.fi/mautrix-telegram
+
+go 1.25.0
+
+toolchain go1.26.2
+
+tool (
+	go.mau.fi/util/cmd/maubuild
+	golang.org/x/tools/cmd/stringer
+)
+
+require (
+	github.com/cenkalti/backoff/v4 v4.3.0
+	github.com/coder/websocket v1.8.14
+	github.com/go-faster/errors v0.7.1
+	github.com/go-faster/jx v1.2.0
+	github.com/go-faster/xor v1.0.0
+	github.com/go-openapi/inflect v0.21.5
+	github.com/gorilla/websocket v1.5.0
+	github.com/gotd/getdoc v0.51.0
+	github.com/gotd/ige v0.2.2
+	github.com/gotd/neo v0.1.5
+	github.com/gotd/tl v0.4.0
+	github.com/k0kubun/pp/v3 v3.5.1
+	github.com/klauspost/compress v1.18.5
+	github.com/rogpeppe/go-internal v1.14.1
+	github.com/rs/zerolog v1.35.0
+	github.com/stretchr/testify v1.11.1
+	github.com/tidwall/gjson v1.18.0
+	go.mau.fi/util v0.9.9-0.20260430092340-8772e7714ea5
+	go.mau.fi/webp v0.2.0
+	go.mau.fi/zerozap v0.1.2
+	go.opentelemetry.io/otel v1.42.0
+	go.opentelemetry.io/otel/trace v1.42.0
+	go.uber.org/atomic v1.11.0
+	go.uber.org/multierr v1.11.0
+	go.uber.org/zap v1.27.1
+	golang.org/x/crypto v0.50.0
+	golang.org/x/exp v0.0.0-20260410095643-746e56fc9e2f
+	golang.org/x/image v0.39.0
+	golang.org/x/net v0.53.0
+	golang.org/x/sync v0.20.0
+	golang.org/x/tools v0.44.0
+	gopkg.in/yaml.v3 v3.0.1
+	maunium.net/go/mautrix v0.27.1-0.20260430124810-125ac2c48014
+	rsc.io/qr v0.2.0
+)
+
+require (
+	filippo.io/edwards25519 v1.2.0 // indirect
+	github.com/PuerkitoBio/goquery v1.10.3 // indirect
+	github.com/andybalholm/cascadia v1.3.3 // indirect
+	github.com/benbjohnson/clock v1.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.7.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-faster/sdk v0.28.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/lib/pq v1.12.3 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-sqlite3 v1.14.42 // indirect
+	github.com/petermattis/goid v0.0.0-20260330135022-df67b199bc81 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rs/xid v1.6.0 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/sergi/go-diff v1.1.0 // indirect
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
+	github.com/tidwall/match v1.2.0 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
+	github.com/tidwall/sjson v1.2.5 // indirect
+	github.com/yuin/goldmark v1.8.2 // indirect
+	go.mau.fi/zeroconfig v0.2.0 // indirect
+	go.uber.org/ratelimit v0.3.1 // indirect
+	golang.org/x/mod v0.35.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
+	golang.org/x/text v0.36.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
+	maunium.net/go/mauflag v1.0.0 // indirect
+)
@@ -0,0 +1,242 @@
+filippo.io/edwards25519 v1.2.0 h1:crnVqOiS4jqYleHd9vaKZ+HKtHfllngJIiOpNpoJsjo=
+filippo.io/edwards25519 v1.2.0/go.mod h1:xzAOLCNug/yB62zG1bQ8uziwrIqIuxhctzJT18Q77mc=
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
+github.com/PuerkitoBio/goquery v1.10.3 h1:pFYcNSqHxBD06Fpj/KsbStFRsgRATgnf3LeXiUkhzPo=
+github.com/PuerkitoBio/goquery v1.10.3/go.mod h1:tMUX0zDMHXYlAQk6p35XxQMqMweEKB7iK7iLNd4RH4Y=
+github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
+github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
+github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
+github.com/benbjohnson/clock v1.3.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/coder/websocket v1.8.14 h1:9L0p0iKiNOibykf283eHkKUHHrpG7f65OE3BhhO7v9g=
+github.com/coder/websocket v1.8.14/go.mod h1:NX3SzP+inril6yawo5CQXx8+fk145lPDC6pumgx0mVg=
+github.com/coreos/go-systemd/v22 v22.7.0 h1:LAEzFkke61DFROc7zNLX/WA2i5J8gYqe0rSj9KI28KA=
+github.com/coreos/go-systemd/v22 v22.7.0/go.mod h1:xNUYtjHu2EDXbsxz1i41wouACIwT7Ybq9o0BQhMwD0w=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-faster/errors v0.7.1 h1:MkJTnDoEdi9pDabt1dpWf7AA8/BaSYZqibYyhZ20AYg=
+github.com/go-faster/errors v0.7.1/go.mod h1:5ySTjWFiphBs07IKuiL69nxdfd5+fzh1u7FPGZP2quo=
+github.com/go-faster/jx v1.2.0 h1:T2YHJPrFaYu21fJtUxC9GzmluKu8rVIFDwwGBKTDseI=
+github.com/go-faster/jx v1.2.0/go.mod h1:UWLOVDmMG597a5tBFPLIWJdUxz5/2emOpfsj9Neg0PE=
+github.com/go-faster/sdk v0.28.0 h1:zIu1bt0aeujpUJ/3GxaKy/Yn8Y5K9em4yYNsMHqOl+4=
+github.com/go-faster/sdk v0.28.0/go.mod h1:Ts+Rd1B0ltePMxuuCwphkfPVtTIbJhV6jzsV46MVM5w=
+github.com/go-faster/xor v0.3.0/go.mod h1:x5CaDY9UKErKzqfRfFZdfu+OSTfoZny3w5Ak7UxcipQ=
+github.com/go-faster/xor v1.0.0 h1:2o8vTOgErSGHP3/7XwA5ib1FTtUsNtwCoLLBjl31X38=
+github.com/go-faster/xor v1.0.0/go.mod h1:x5CaDY9UKErKzqfRfFZdfu+OSTfoZny3w5Ak7UxcipQ=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-openapi/inflect v0.21.5 h1:M2RCq6PPS3YbIaL7CXosGL3BbzAcmfBAT0nC3YfesZA=
+github.com/go-openapi/inflect v0.21.5/go.mod h1:GypUyi6bU880NYurWaEH2CmH84zFDNd+EhhmzroHmB4=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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@@ -1,2 +0,0 @@
-__version__ = "0.4.0rc1"
-__author__ = "Tulir Asokan <tulir@maunium.net>"
@@ -1,143 +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 Coroutine, List
-import argparse
-import asyncio
-import logging.config
-import sys
-import copy
-import signal
-
-from sqlalchemy import orm
-import sqlalchemy as sql
-
-from mautrix_appservice import AppService
-from alchemysession import AlchemySessionContainer
-
-from .web.provisioning import ProvisioningAPI
-from .web.public import PublicBridgeWebsite
-from .abstract_user import init as init_abstract_user
-from .base import Base
-from .bot import 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 .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()
-
-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)
-
-logging.config.dictConfig(copy.deepcopy(config["logging"]))
-log = logging.getLogger("mau.init")  # type: logging.Logger
-log.debug(f"Initializing mautrix-telegram {__version__}")
-
-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
-
-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")
-
-loop = asyncio.get_event_loop()  # type: asyncio.AbstractEventLoop
-
-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
-                     })
-
-context = Context(appserv, db_session, config, loop, session_container)
-
-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
-
-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
-
-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)
@@ -1,392 +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 Tuple, Optional, List, Union, TYPE_CHECKING
-from abc import ABC, abstractmethod
-import asyncio
-import logging
-import platform
-
-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 mautrix_appservice import MatrixRequestError, 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 .tgclient import MautrixTelegramClient
-
-if TYPE_CHECKING:
-    from .context import Context
-    from .config import Config
-    from .bot import Bot
-
-config = None  # type: Config
-# Value updated from config in init()
-MAX_DELETIONS = 10  # type: int
-
-UpdateMessage = Union[UpdateShortChatMessage, UpdateShortMessage, UpdateNewChannelMessage,
-                      UpdateNewMessage, UpdateEditMessage, UpdateEditChannelMessage]
-UpdateMessageContent = Union[UpdateShortMessage, UpdateShortChatMessage, Message, MessageService]
-
-
-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
-
-    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]
-
-    @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]]:
-        proxy_type = config["telegram.proxy.type"].lower()
-        if proxy_type == "disabled":
-            return None
-        elif proxy_type == "socks4":
-            proxy_type = 1
-        elif proxy_type == "socks5":
-            proxy_type = 2
-        elif proxy_type == "http":
-            proxy_type = 3
-
-        return (proxy_type,
-                config["telegram.proxy.address"], config["telegram.proxy.port"],
-                config["telegram.proxy.rdns"],
-                config["telegram.proxy.username"], config["telegram.proxy.password"])
-
-    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)
-        self.client.add_event_handler(self._update_catch)
-
-    @abstractmethod
-    async def update(self, update: TypeUpdate) -> bool:
-        return False
-
-    @abstractmethod
-    async def post_login(self) -> None:
-        raise NotImplementedError()
-
-    @abstractmethod
-    def register_portal(self, portal: po.Portal) -> None:
-        raise NotImplementedError()
-
-    @abstractmethod
-    def unregister_portal(self, portal: po.Portal) -> None:
-        raise NotImplementedError()
-
-    async def _update_catch(self, update: TypeUpdate) -> None:
-        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)))]
-
-    @property
-    @abstractmethod
-    def name(self) -> str:
-        raise NotImplementedError()
-
-    async def is_logged_in(self) -> bool:
-        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
-                and (not self.is_bot or allow_bot)
-                and await self.is_logged_in())
-
-    async def start(self, delete_unless_authenticated: bool = False) -> 'AbstractUser':
-        if not self.client:
-            self._init_client()
-        await self.client.connect()
-        self.log.debug("%s connected: %s", self.mxid, self.connected)
-        return self
-
-    async def ensure_started(self, even_if_no_session=False) -> 'AbstractUser':
-        if not self.puppet_whitelisted:
-            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:
-            await self.start(delete_unless_authenticated=not even_if_no_session)
-        return self
-
-    async def stop(self) -> None:
-        await self.client.disconnect()
-        self.client = None
-
-    # region Telegram update handling
-
-    async def _update(self, update: TypeUpdate) -> None:
-        if isinstance(update, (UpdateShortChatMessage, UpdateShortMessage, UpdateNewChannelMessage,
-                               UpdateNewMessage, UpdateEditMessage, UpdateEditChannelMessage)):
-            await self.update_message(update)
-        elif isinstance(update, UpdateDeleteMessages):
-            await self.delete_message(update)
-        elif isinstance(update, UpdateDeleteChannelMessages):
-            await self.delete_channel_message(update)
-        elif isinstance(update, (UpdateChatUserTyping, UpdateUserTyping)):
-            await self.update_typing(update)
-        elif isinstance(update, UpdateUserStatus):
-            await self.update_status(update)
-        elif isinstance(update, (UpdateChatAdmins, UpdateChatParticipantAdmin)):
-            await self.update_admin(update)
-        elif isinstance(update, UpdateChatParticipants):
-            await self.update_participants(update)
-        elif isinstance(update, UpdateChannelPinnedMessage):
-            await self.update_pinned_messages(update)
-        elif isinstance(update, (UpdateUserName, UpdateUserPhoto)):
-            await self.update_others_info(update)
-        elif isinstance(update, UpdateReadHistoryOutbox):
-            await self.update_read_receipt(update)
-        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))
-        if portal and portal.mxid:
-            await portal.receive_telegram_pin_id(update.id)
-
-    @staticmethod
-    async def update_participants(update: UpdateChatParticipants) -> None:
-        portal = po.Portal.get_by_tgid(TelegramID(update.participants.chat_id))
-        if portal and portal.mxid:
-            await portal.update_telegram_participants(update.participants.participants)
-
-    async def update_read_receipt(self, update: UpdateReadHistoryOutbox) -> None:
-        if not isinstance(update.peer, PeerUser):
-            self.log.debug("Unexpected read receipt peer: %s", update.peer)
-            return
-
-        portal = po.Portal.get_by_tgid(TelegramID(update.peer.user_id), self.tgid)
-        if not portal or not portal.mxid:
-            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)
-        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:
-        # TODO duplication not checked
-        portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
-        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)
-
-    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")
-
-        if not portal or not portal.mxid:
-            return
-
-        sender = pu.Puppet.get(TelegramID(update.user_id))
-        await portal.handle_telegram_typing(sender, update)
-
-    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):
-            if await puppet.update_displayname(self, update):
-                puppet.save()
-        elif isinstance(update, UpdateUserPhoto):
-            if await puppet.update_avatar(self, update.photo.photo_big):
-                puppet.save()
-        else:
-            self.log.warning("Unexpected other user info update: %s", update)
-
-    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")
-        elif isinstance(update.status, UserStatusOffline):
-            await puppet.default_mxid_intent.set_presence("offline")
-        else:
-            self.log.warning("Unexpected user status update: %s", update)
-        return
-
-    def get_message_details(self, update: UpdateMessage) -> Tuple[UpdateMessageContent,
-                                                                  Optional[pu.Puppet],
-                                                                  Optional[po.Portal]]:
-        if isinstance(update, UpdateShortChatMessage):
-            portal = po.Portal.get_by_tgid(TelegramID(update.chat_id), peer_type="chat")
-            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")
-            sender = pu.Puppet.get(self.tgid if update.out else update.user_id)
-        elif isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage,
-                                 UpdateEditMessage, UpdateEditChannelMessage)):
-            update = update.message
-            if isinstance(update.to_id, PeerUser) and not update.out:
-                portal = po.Portal.get_by_tgid(update.from_id, peer_type="user",
-                                               tg_receiver=self.tgid)
-            else:
-                portal = po.Portal.get_by_entity(update.to_id, receiver_id=self.tgid)
-            sender = pu.Puppet.get(update.from_id) if update.from_id else None
-        else:
-            self.log.warning(
-                f"Unexpected message type in User#get_message_details: {type(update)}")
-            return update, None, None
-        return update, sender, portal
-
-    @staticmethod
-    async def _try_redact(portal: po.Portal, message: DBMessage) -> None:
-        if not portal:
-            return
-        try:
-            await portal.main_intent.redact(message.mx_room, message.mxid)
-        except MatrixRequestError:
-            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()
-
-    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
-
-        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()
-
-    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)
-            return
-
-        if self.ignore_incoming_bot_events and self.bot and sender.id == self.bot.tgid:
-            self.log.debug(f"Ignoring relaybot-sent message %s to %s", update, portal.tgid_log)
-            return
-
-        if isinstance(update, MessageService):
-            if isinstance(update.action, MessageActionChannelMigrateFrom):
-                self.log.debug(f"Ignoring action %s to %s by %d", update.action,
-                               portal.tgid_log,
-                               sender.id)
-                return
-            self.log.debug("Handling action %s to %s by %d", update.action, portal.tgid_log,
-                           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_message(self, sender, update)
-
-    # endregion
-
-
-def init(context: "Context") -> None:
-    global config, MAX_DELETIONS
-    AbstractUser.az, AbstractUser.db, 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)
@@ -1,2 +0,0 @@
-from sqlalchemy.ext.declarative import declarative_base
-Base = declarative_base()  # type: declarative_base
@@ -1,287 +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, Callable, Dict, List, Optional, Pattern, TYPE_CHECKING
-import logging
-import re
-
-from telethon.tl.types import (
-    ChannelParticipantAdmin, ChannelParticipantCreator, ChatForbidden, ChatParticipantAdmin,
-    ChatParticipantCreator, InputChannel, InputUser, Message, MessageActionChatAddUser,
-    MessageActionChatDeleteUser, MessageEntityBotCommand, MessageService, PeerChannel, PeerChat,
-    TypePeer, UpdateNewChannelMessage, UpdateNewMessage)
-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 .abstract_user import AbstractUser
-from .db import BotChat
-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
-
-ReplyFunc = Callable[[str], Awaitable[Message]]
-
-
-class Bot(AbstractUser):
-    log = logging.getLogger("mau.bot")  # type: logging.Logger
-    mxid_regex = re.compile("@.+:.+")  # type: Pattern
-
-    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.whitelist_group_admins = (config["bridge.relaybot.whitelist_group_admins"]
-                                       or False)  # type: bool
-
-    async def init_permissions(self) -> None:
-        whitelist = config["bridge.relaybot.whitelist"] or []
-        for user_id in whitelist:
-            if isinstance(user_id, str):
-                entity = await self.client.get_input_entity(user_id)
-                if isinstance(entity, InputUser):
-                    user_id = entity.user_id
-                else:
-                    user_id = None
-            if isinstance(user_id, int):
-                self.tg_whitelist.append(user_id)
-
-    async def start(self, delete_unless_authenticated: bool = False) -> 'Bot':
-        await super().start(delete_unless_authenticated)
-        if not await self.is_logged_in():
-            await self.client.sign_in(bot_token=self.token)
-        await self.post_login()
-        return self
-
-    async def post_login(self) -> None:
-        await self.init_permissions()
-        info = await self.client.get_me()
-        self.tgid = info.id
-        self.username = info.username
-        self.mxid = pu.Puppet.get_mxid_from_id(self.tgid)
-
-        chat_ids = [chat_id for chat_id, chat_type in self.chats.items() if chat_type == "chat"]
-        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)
-
-        channel_ids = [InputChannel(chat_id, 0)
-                       for chat_id, chat_type in self.chats.items()
-                       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")
-
-    def register_portal(self, portal: po.Portal) -> None:
-        self.add_chat(portal.tgid, portal.peer_type)
-
-    def unregister_portal(self, portal: po.Portal) -> None:
-        self.remove_chat(portal.tgid)
-
-    def add_chat(self, chat_id: int, 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()
-
-    def remove_chat(self, chat_id: int) -> 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()
-
-    async def _can_use_commands(self, chat: TypePeer, tgid: int) -> bool:
-        if tgid in self.tg_whitelist:
-            return True
-
-        user = u.User.get_by_tgid(tgid)
-        if user and user.is_admin:
-            self.tg_whitelist.append(user.tgid)
-            return True
-
-        if self.whitelist_group_admins:
-            if isinstance(chat, PeerChannel):
-                p = await self.client(GetParticipantRequest(chat, tgid))
-                return isinstance(p, (ChannelParticipantCreator, ChannelParticipantAdmin))
-            elif isinstance(chat, PeerChat):
-                chat = await self.client(GetFullChatRequest(chat.chat_id))
-                participants = chat.full_chat.participants.participants
-                for p in participants:
-                    if p.user_id == tgid:
-                        return isinstance(p, (ChatParticipantCreator, ChatParticipantAdmin))
-        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):
-            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:
-        if not config["bridge.relaybot.authless_portals"]:
-            return await reply("This bridge doesn't allow portal creation from Telegram.")
-
-        if not portal.allow_bridging():
-            return await reply("This bridge doesn't allow bridging this chat.")
-
-        await portal.create_matrix_room(self)
-        if portal.mxid:
-            if portal.username:
-                return await reply(
-                    f"Portal is public: [{portal.alias}](https://matrix.to/#/{portal.alias})")
-            else:
-                return await reply(
-                    "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:
-        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):
-            return await reply("That doesn't look like a Matrix ID.")
-        user = await u.User.get_by_mxid(MatrixUserID(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():
-            displayname = f"@{user.username}" if user.username else user.displayname
-            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)
-            return await reply(f"Invited `{user.mxid}` to the portal.")
-
-    @staticmethod
-    def handle_command_id(message: Message, reply: ReplyFunc) -> Awaitable[Message]:
-        # Provide the prefixed ID to the user so that the user wouldn't need to specify whether the
-        # 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))
-
-    def match_command(self, text: str, command: str) -> bool:
-        text = text.lower()
-        command = f"/{command.lower()}"
-        command_targeted = f"{command}@{self.username.lower()}"
-
-        is_plain_command = text == command or text == command_targeted
-        if is_plain_command:
-            return True
-
-        is_arg_command = text.startswith(command + " ") or text.startswith(command_targeted + " ")
-        if is_arg_command:
-            return True
-
-        return False
-
-    async def handle_command(self, message: Message) -> None:
-        def reply(reply_text: str) -> Awaitable[Message]:
-            return self.client.send_message(message.to_id, reply_text, reply_to=message.id)
-
-        text = message.message
-
-        if self.match_command(text, "id"):
-            return await self.handle_command_id(message, reply)
-
-        portal = po.Portal.get_by_entity(message.to_id)
-
-        if self.match_command(text, "portal"):
-            if not await self.check_can_use_commands(message, reply):
-                return
-            await self.handle_command_portal(portal, reply)
-        elif self.match_command(text, "invite"):
-            if not await self.check_can_use_commands(message, reply):
-                return
-            try:
-                mxid = text[text.index(" ") + 1:]
-            except ValueError:
-                mxid = ""
-            await self.handle_command_invite(portal, reply, mxid_input=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
-            chat_type = "channel"
-        elif isinstance(to_id, PeerChat):
-            to_id = to_id.chat_id
-            chat_type = "chat"
-        else:
-            return
-
-        action = message.action
-        if isinstance(action, MessageActionChatAddUser) and self.tgid in action.users:
-            self.add_chat(to_id, chat_type)
-        elif isinstance(action, MessageActionChatDeleteUser) and action.user_id == self.tgid:
-            self.remove_chat(to_id)
-
-    async def update(self, update) -> bool:
-        if not isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage)):
-            return False
-        if isinstance(update.message, MessageService):
-            self.handle_service_message(update.message)
-            return False
-
-        is_command = (isinstance(update.message, Message)
-                      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 False
-
-    def is_in_chat(self, peer_id) -> bool:
-        return peer_id in self.chats
-
-    @property
-    def name(self) -> str:
-        return "bot"
-
-
-def init(context: 'Context') -> Optional[Bot]:
-    global config
-    config = context.config
-    token = config["telegram.bot_token"]
-    if token and not token.lower().startswith("disable"):
-        return Bot(token)
-    return None
@@ -1,5 +0,0 @@
-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
@@ -1,332 +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 Any, Dict, Optional
-import asyncio
-
-from telethon.errors import (
-    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
-
-
-@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]:
-    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}")
-    else:
-        return await evt.reply("You're not logged in.")
-
-
-@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]:
-    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
-    return await evt.reply("Telegram message relay bot is active: "
-                           f"[{displayname}](https://matrix.to/#/{mxid}) (ID {bot_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]:
-    if await evt.sender.is_logged_in():
-        return await evt.reply("You are already logged in.")
-    elif len(evt.args) < 1:
-        return await evt.reply("**Usage:** `$cmdprefix+sp register <phone> <full name>`")
-
-    phone_number = evt.args[0]
-    if len(evt.args) == 2:
-        full_name = evt.args[1], ""
-    else:
-        full_name = " ".join(evt.args[1:-1]), evt.args[-1]
-
-    await request_code(evt, phone_number, {
-        "next": enter_code_register,
-        "action": "Register",
-        "full_name": full_name,
-    })
-    return None
-
-
-async def enter_code_register(evt: CommandEvent) -> Dict:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp <code>`")
-    try:
-        await evt.sender.ensure_started(even_if_no_session=True)
-        first_name, last_name = evt.sender.command_status["full_name"]
-        user = await evt.sender.client.sign_up(evt.args[0], first_name, last_name)
-        asyncio.ensure_future(evt.sender.post_login(user), loop=evt.loop)
-        evt.sender.command_status = None
-        return await evt.reply(f"Successfully registered to Telegram.")
-    except PhoneNumberOccupiedError:
-        return await evt.reply("That phone number has already been registered. "
-                               "You can log in with `$cmdprefix+sp login`.")
-    except FirstNameInvalidError:
-        return await evt.reply("Invalid name. Please set a Matrix displayname before registering.")
-    except PhoneCodeExpiredError:
-        return await evt.reply(
-            "Phone code expired. Try again with `$cmdprefix+sp register <phone>`.")
-    except PhoneCodeInvalidError:
-        return await evt.reply("Invalid phone code.")
-    except Exception:
-        evt.log.exception("Error sending phone code")
-        return await evt.reply("Unhandled exception while sending code. "
-                               "Check console for more details.")
-
-
-@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]:
-    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:
-        evt.sender.command_status = {
-            "next": enter_phone_or_token,
-            "action": "Login",
-        }
-
-    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.")
-    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.")
-    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:
-    ok = False
-    try:
-        await evt.sender.ensure_started(even_if_no_session=True)
-        await evt.sender.client.sign_in(phone_number)
-        ok = True
-        return await evt.reply(f"Login code sent to {phone_number}. Please send the code here.")
-    except PhoneNumberAppSignupForbiddenError:
-        return await evt.reply(
-            "Your phone number does not allow 3rd party apps to sign in.")
-    except PhoneNumberFloodError:
-        return await evt.reply(
-            "Your phone number has been temporarily blocked for flooding. "
-            "The ban is usually applied for around a day.")
-    except FloodWaitError as e:
-        return await evt.reply(
-            "Your phone number has been temporarily blocked for flooding. "
-            f"Please wait for {format_duration(e.seconds)} before trying again.")
-    except PhoneNumberBannedError:
-        return await  evt.reply("Your phone number has been banned from Telegram.")
-    except PhoneNumberUnoccupiedError:
-        return await  evt.reply("That phone number has not been registered. "
-                                "Please register with `$cmdprefix+sp register <phone>`.")
-    except Exception:
-        evt.log.exception("Error requesting phone code")
-        return await evt.reply("Unhandled exception while requesting code. "
-                               "Check console for more details.")
-    finally:
-        evt.sender.command_status = next_status if ok else None
-
-
-@command_handler(needs_auth=False)
-async def enter_phone_or_token(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$cmdprefix+sp enter-phone-or-token <phone-or-token>`")
-    elif not evt.config.get("bridge.allow_matrix_login", True):
-        return await evt.reply("This bridge instance does not allow in-Matrix login. "
-                               "Please use `$cmdprefix+sp login` to get login instructions")
-
-    # phone numbers don't contain colons but telegram bot auth tokens do
-    if evt.args[0].find(":") > 0:
-        try:
-            await sign_in(evt, bot_token=evt.args[0])
-        except Exception:
-            evt.log.exception("Error sending auth token")
-            return await evt.reply("Unhandled exception while sending auth token. "
-                                   "Check console for more details.")
-    else:
-        await request_code(evt, evt.args[0], {
-            "next": enter_code,
-            "action": "Login",
-        })
-    return None
-
-
-@command_handler(needs_auth=False)
-async def enter_code(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$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 `$cmdprefix+sp login` to get login instructions")
-    try:
-        await sign_in(evt, code=evt.args[0])
-    except Exception:
-        evt.log.exception("Error sending phone code")
-        return await evt.reply("Unhandled exception while sending code. "
-                               "Check console for more details.")
-    return None
-
-
-@command_handler(needs_auth=False)
-async def enter_password(evt: CommandEvent) -> Optional[Dict]:
-    if len(evt.args) == 0:
-        return await evt.reply("**Usage:** `$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 `$cmdprefix+sp login` to get login instructions")
-    try:
-        await sign_in(evt, password=" ".join(evt.args))
-    except AccessTokenInvalidError:
-        return await evt.reply("That bot token is not valid.")
-    except AccessTokenExpiredError:
-        return await evt.reply("That bot token has expired.")
-    except Exception:
-        evt.log.exception("Error sending password")
-        return await evt.reply("Unhandled exception while sending password. "
-                               "Check console for more details.")
-    return None
-
-
-async def sign_in(evt: CommandEvent, **sign_in_info) -> Dict:
-    try:
-        await evt.sender.ensure_started(even_if_no_session=True)
-        user = await evt.sender.client.sign_in(**sign_in_info)
-        existing_user = u.User.get_by_tgid(user.id)
-        if existing_user and existing_user != evt.sender:
-            await existing_user.log_out()
-            await evt.reply(f"[{existing_user.displayname}]"
-                            f"(https://matrix.to/#/{existing_user.mxid})"
-                            " was logged out from the account.")
-        asyncio.ensure_future(evt.sender.post_login(user), loop=evt.loop)
-        evt.sender.command_status = None
-        name = f"@{user.username}" if user.username else f"+{user.phone}"
-        return await evt.reply(f"Successfully logged in as {name}")
-    except PhoneCodeExpiredError:
-        return await evt.reply("Phone code expired. Try again with `$cmdprefix+sp login`.")
-    except PhoneCodeInvalidError:
-        return await evt.reply("Invalid phone code.")
-    except PasswordHashInvalidError:
-        return await evt.reply("Incorrect password.")
-    except SessionPasswordNeededError:
-        evt.sender.command_status = {
-            "next": enter_password,
-            "action": "Login (password entry)",
-        }
-        return await evt.reply("Your account has two-factor authentication. "
-                               "Please send your password here.")
-
-
-@command_handler(needs_auth=True,
-                 help_section=SECTION_AUTH,
-                 help_text="Log out from Telegram.")
-async def logout(evt: CommandEvent) -> Optional[Dict]:
-    if await evt.sender.log_out():
-        return await evt.reply("Logged out successfully.")
-    return await evt.reply("Failed to log out.")
@@ -1,178 +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, NewType, Optional, Tuple, Union
-
-from mautrix_appservice import MatrixRequestError, IntentAPI
-
-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])
-
-
-async def _find_rooms(intent: IntentAPI) -> Tuple[List[ManagementRoom], List[MatrixRoomID],
-                                                  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]
-
-    rooms = await intent.get_joined_rooms()
-    for room_str in rooms:
-        room = MatrixRoomID(room_str)
-        portal = po.Portal.get_by_mxid(room)
-        if not portal:
-            try:
-                members = await intent.get_room_members(room)
-            except MatrixRequestError:
-                members = []
-            if len(members) == 2:
-                other_member = MatrixUserID(members[0] if members[0] != intent.mxid else members[1])
-                if pu.Puppet.get_id_from_mxid(other_member):
-                    unidentified_rooms.append(room)
-                else:
-                    management_rooms.append(ManagementRoom((room, other_member)))
-            else:
-                unidentified_rooms.append(room)
-        else:
-            members = await portal.get_authenticated_matrix_users()
-            if len(members) == 0:
-                empty_portals.append(portal)
-            else:
-                portals.append(portal)
-
-    return management_rooms, unidentified_rooms, portals, empty_portals
-
-
-@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]:
-    management_rooms, unidentified_rooms, portals, empty_portals = await _find_rooms(evt.az.intent)
-
-    reply = ["#### Management rooms (M)"]
-    reply += ([f"{n+1}. [M{n+1}](https://matrix.to/#/{room}) (with {other_member}"
-               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}) "
-               f"(to Telegram chat \"{portal.title}\")"
-               for n, portal in enumerate(portals)]
-              or ["No active portal rooms found."])
-    reply.append("#### Unidentified rooms (U)")
-    reply += ([f"{n+1}. [U{n+1}](https://matrix.to/#/{room})"
-               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}) "
-               f"(to Telegram chat \"{portal.title}\")"
-               for n, portal in enumerate(empty_portals)]
-              or ["No inactive portal rooms found."])
-
-    reply += ["#### Usage",
-              ("To clean the recommended set of rooms (unidentified & inactive portals), "
-               "type `$cmdprefix+sp clean-recommended`"),
-              "",
-              ("To clean other groups of rooms, type `$cmdprefix+sp clean-groups <letters>` "
-               "where `letters` are the first letters of the group names (M, A, U, I)"),
-              "",
-              ("To clean specific rooms, type `$cmdprefix+sp clean-range <range>` "
-               "where `range` is the range (e.g. `5-21`) prefixed with the first letter of"
-               "the group name."),
-              "",
-              ("Please note that you will have to re-run `$cmdprefix+sp clean-rooms` "
-               "between each use of the commands above.")]
-
-    evt.sender.command_status = {
-        "next": lambda clean_evt: set_rooms_to_clean(clean_evt, management_rooms,
-                                                     unidentified_rooms, portals, empty_portals),
-        "action": "Room cleaning",
-    }
-
-    return await evt.reply("\n".join(reply))
-
-
-async def set_rooms_to_clean(evt, management_rooms: List[ManagementRoom],
-                             unidentified_rooms: List[MatrixRoomID], portals: List["po.Portal"],
-                             empty_portals: List["po.Portal"]) -> None:
-    command = evt.args[0]
-    rooms_to_clean = []  # type: List[Union[po.Portal, MatrixRoomID]]
-    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:** `$cmdprefix+sp clean-groups [M][A][U][I]")
-        groups_to_clean = evt.args[1]
-        if "M" in groups_to_clean:
-            rooms_to_clean += [room_id for (room_id, user_id) in management_rooms]
-        if "A" in groups_to_clean:
-            rooms_to_clean += portals
-        if "U" in groups_to_clean:
-            rooms_to_clean += unidentified_rooms
-        if "I" in groups_to_clean:
-            rooms_to_clean += empty_portals
-    elif command == "clean-range":
-        try:
-            clean_range = evt.args[1]
-            group, clean_range = clean_range[0], clean_range[1:]
-            start, end = clean_range.split("-")
-            start, end = int(start), int(end)
-            if group == "M":
-                group = [room_id for (room_id, user_id) in management_rooms]
-            elif group == "A":
-                group = portals
-            elif group == "U":
-                group = unidentified_rooms
-            elif group == "I":
-                group = empty_portals
-            else:
-                raise ValueError("Unknown group")
-            rooms_to_clean = group[start - 1:end]
-        except (KeyError, ValueError):
-            return await evt.reply(
-                "**Usage:** `$cmdprefix+sp clean-groups <_M|A|U|I_><range>")
-    else:
-        return await evt.reply(f"Unknown room cleaning action `{command}`. "
-                               "Use `$cmdprefix+sp cancel` to cancel room "
-                               "cleaning.")
-
-    evt.sender.command_status = {
-        "next": lambda confirm: execute_room_cleanup(confirm, rooms_to_clean),
-        "action": "Room cleaning",
-    }
-    await evt.reply(f"To confirm cleaning up {len(rooms_to_clean)} rooms, type"
-                    "`$cmdprefix+sp confirm-clean`.")
-
-
-async def execute_room_cleanup(evt, rooms_to_clean: List[Union[po.Portal, MatrixRoomID]]) -> 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.")
-        cleaned = 0
-        for room in rooms_to_clean:
-            if isinstance(room, po.Portal):
-                await room.cleanup_and_delete()
-                cleaned += 1
-            elif isinstance(room, str):  # str is aliased by MatrixRoomID
-                await po.Portal.cleanup_room(evt.az.intent, room, message="Room deleted")
-                cleaned += 1
-        evt.sender.command_status = None
-        await evt.reply(f"{cleaned} rooms cleaned up successfully.")
-    else:
-        await evt.reply("Room cleaning cancelled.")
@@ -1,201 +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, Callable, Dict, List, NamedTuple, Optional
-import commonmark
-import logging
-
-from telethon.errors import FloodWaitError
-
-from ..types import MatrixRoomID
-from ..util import format_duration
-from .. import user as u, context as c
-
-command_handlers = {}  # type: Dict[str, CommandHandler]
-
-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, "")
-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
-
-    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
-        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)
-
-
-class CommandHandler:
-    def __init__(self, handler: Callable[[CommandEvent], Awaitable[Dict]], needs_auth: bool,
-                 needs_puppeting: bool, needs_matrix_puppeting: bool, needs_admin: bool,
-                 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
-
-    async def get_permission_error(self, evt: CommandEvent) -> Optional[str]:
-        if self.management_only and not evt.is_management:
-            return (f"`{evt.command}` is a restricted command: "
-                    "you may only run it in management rooms.")
-        elif self.needs_puppeting and not evt.sender.puppet_whitelisted:
-            return "This command requires puppeting privileges."
-        elif self.needs_matrix_puppeting and not evt.sender.matrix_puppet_whitelisted:
-            return "This command requires Matrix puppeting privileges."
-        elif self.needs_admin and not evt.sender.is_admin:
-            return "This command requires administrator privileges."
-        elif self.needs_auth and not await evt.sender.is_logged_in():
-            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 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)
-
-
-class CommandProcessor:
-    log = logging.getLogger("mau.commands")
-
-    def __init__(self, context: c.Context) -> None:
-        self.az, self.db, 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()
-        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)
-        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
@@ -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))
@@ -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
@@ -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.")
@@ -1,320 +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 Any, Dict, Optional, Tuple
-from ruamel.yaml import YAML
-from ruamel.yaml.comments import CommentedMap
-import random
-import string
-
-yaml = YAML()  # type: YAML
-yaml.indent(4)
-
-
-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)
-
-    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]
-        except KeyError:
-            pass
-
-    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
-
-        copy("homeserver.address")
-        copy("homeserver.verify_ssl")
-        copy("homeserver.domain")
-
-        if "appservice.protocol" in self and "appservice.address" not in self:
-            protocol, hostname, port = (self["appservice.protocol"], self["appservice.hostname"],
-                                        self["appservice.port"])
-            base["appservice.address"] = f"{protocol}://{hostname}:{port}"
-        else:
-            copy("appservice.address")
-        copy("appservice.hostname")
-        copy("appservice.port")
-        copy("appservice.max_body_size")
-
-        copy("appservice.database")
-        copy("appservice.sqlalchemy_core_mode")
-
-        copy("appservice.public.enabled")
-        copy("appservice.public.prefix")
-        copy("appservice.public.external")
-
-        copy("appservice.provisioning.enabled")
-        copy("appservice.provisioning.prefix")
-        copy("appservice.provisioning.shared_secret")
-        if base["appservice.provisioning.shared_secret"] == "generate":
-            base["appservice.provisioning.shared_secret"] = self._new_token()
-
-        copy("appservice.id")
-        copy("appservice.bot_username")
-        copy("appservice.bot_displayname")
-        copy("appservice.bot_avatar")
-
-        copy("appservice.as_token")
-        copy("appservice.hs_token")
-
-        copy("bridge.username_template")
-        copy("bridge.alias_template")
-        copy("bridge.displayname_template")
-
-        copy("bridge.displayname_preference")
-
-        copy("bridge.edits_as_replies")
-        copy("bridge.highlight_edits")
-        if isinstance(self["bridge.bridge_notices"], bool):
-            base["bridge.bridge_notices"] = {
-                "default": self["bridge.bridge_notices"],
-                "exceptions": ["@importantbot:example.com"],
-            }
-        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")
-
-        if "bridge.message_formats.m_text" in self:
-            del self["bridge.message_formats"]
-        copy_dict("bridge.message_formats", override_existing_map=False)
-        copy("bridge.state_event_formats.join")
-        copy("bridge.state_event_formats.leave")
-        copy("bridge.state_event_formats.name_change")
-
-        copy("bridge.filter.mode")
-        copy("bridge.filter.list")
-
-        copy("bridge.command_prefix")
-
-        migrate_permissions = ("bridge.permissions" not in self
-                               or "bridge.whitelist" in self
-                               or "bridge.admins" in self)
-        if migrate_permissions:
-            permissions = self["bridge.permissions"] or CommentedMap()
-            for entry in self["bridge.whitelist"] or []:
-                permissions[entry] = "full"
-            for entry in self["bridge.admins"] or []:
-                permissions[entry] = "admin"
-            base["bridge.permissions"] = permissions
-        else:
-            copy_dict("bridge.permissions")
-
-        if "bridge.relaybot" not in self:
-            copy("bridge.authless_relaybot_portals", "bridge.relaybot.authless_portals")
-        else:
-            copy("bridge.relaybot.authless_portals")
-            copy("bridge.relaybot.whitelist_group_admins")
-            copy("bridge.relaybot.whitelist")
-            copy("bridge.relaybot.ignore_own_incoming_events")
-
-        copy("telegram.api_id")
-        copy("telegram.api_hash")
-        copy("telegram.bot_token")
-        copy("telegram.proxy.type")
-        copy("telegram.proxy.address")
-        copy("telegram.proxy.port")
-        copy("telegram.proxy.rdns")
-        copy("telegram.proxy.username")
-        copy("telegram.proxy.password")
-
-        if "appservice.debug" in self and "logging" not in self:
-            level = "DEBUG" if self["appservice.debug"] else "INFO"
-            base["logging.root.level"] = level
-            base["logging.loggers.mau.level"] = level
-            base["logging.loggers.telethon.level"] = level
-        else:
-            copy("logging")
-
-        self._data = base._data
-        self.save()
-
-    def _get_permissions(self, key: str) -> Tuple[bool, bool, bool, bool, bool, bool]:
-        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
-
-    def get_permissions(self, mxid: str) -> Tuple[bool, bool, bool, bool, bool, bool]:
-        permissions = self["bridge.permissions"] or {}
-        if mxid in permissions:
-            return self._get_permissions(mxid)
-
-        homeserver = mxid[mxid.index(":") + 1:]
-        if homeserver in permissions:
-            return self._get_permissions(homeserver)
-
-        return self._get_permissions("*")
-
-    def generate_registration(self) -> None:
-        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=".+")
-
-        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
-        }
@@ -1,50 +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, Tuple, TYPE_CHECKING
-
-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
-
-
-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
-
-    @property
-    def core(self) -> Tuple['AppService', 'scoped_session', 'Config',
-                            'asyncio.AbstractEventLoop', Optional['Bot']]:
-        return (self.az, self.db, self.config, self.loop, self.bot)
@@ -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()
@@ -1,9 +0,0 @@
-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 .. import context as c
-
-
-def init(context: c.Context) -> None:
-    init_mx(context)
-    init_tg(context)
@@ -1,155 +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, Callable, Pattern, Match, TYPE_CHECKING, Dict, Any
-import re
-import logging
-
-from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityItalic,
-                               TypeMessageEntity)
-
-from ... import puppet as pu
-from ...types import TelegramID, MatrixRoomID
-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
-
-if TYPE_CHECKING:
-    from ...context import Context
-
-log = logging.getLogger("mau.fmt.mx")  # type: logging.Logger
-should_bridge_plaintext_highlights = False  # type: bool
-
-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
-
-
-def plain_mention_to_html(match: Match) -> str:
-    puppet = pu.Puppet.find_by_displayname(match.group(2))
-    if puppet:
-        return (f"{match.group(1)}"
-                f"<a href='https://matrix.to/#/{puppet.mxid}'>"
-                f"{puppet.displayname}"
-                "</a>")
-    return "".join(match.groups())
-
-
-def cut_long_message(message: str, entities: List[TypeMessageEntity]) -> ParsedMessage:
-    if len(message) > 4096:
-        message = message[0:4082] + " [message cut]"
-        new_entities = []
-        for entity in entities:
-            if entity.offset > 4082:
-                continue
-            if entity.offset + entity.length > 4082:
-                entity.length = 4082 - entity.offset
-            new_entities.append(entity)
-        new_entities.append(MessageEntityItalic(4082, len(" [message cut]")))
-        entities = new_entities
-    return message, entities
-
-
-class FormatError(Exception):
-    pass
-
-
-def matrix_to_telegram(html: str) -> ParsedMessage:
-    try:
-        html = command_regex.sub(r"<command>\1</command>", html)
-        html = html.replace("\t", " " * 4)
-        html = not_command_regex.sub(r"\1", html)
-        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 = cut_long_message(text, entities)
-
-        return text, entities
-    except Exception as e:
-        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"]
-
-        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
-    return None
-
-
-def matrix_text_to_telegram(text: str) -> ParsedMessage:
-    text = command_regex.sub(r"/\1", text)
-    text = text.replace("\t", " " * 4)
-    text = not_command_regex.sub(r"\1", text)
-    if should_bridge_plaintext_highlights:
-        entities, pmr_replacer = plain_mention_to_text()
-        text = plain_mention_regex.sub(pmr_replacer, text)
-    else:
-        entities = []
-    return text, entities
-
-
-def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[str], str]]:
-    entities = []
-
-    def replacer(match) -> str:
-        puppet = pu.Puppet.find_by_displayname(match.group(2))
-        if puppet:
-            offset = match.start()
-            length = match.end() - offset
-            if puppet.username:
-                entity = MessageEntityMention(offset, length)
-                text = f"@{puppet.username}"
-            else:
-                entity = MessageEntityMentionName(offset, length, user_id=puppet.tgid)
-                text = puppet.displayname
-            entities.append(entity)
-            return text
-        return "".join(match.groups())
-
-    return entities, replacer
-
-
-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 = 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
@@ -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]]
@@ -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")
@@ -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
@@ -1,157 +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 Callable, List, Optional, Sequence, Type, Union
-
-from telethon.tl.types import (MessageEntityMentionName as MentionName,
-                               MessageEntityTextUrl as TextURL, MessageEntityPre as Pre,
-                               TypeMessageEntity, InputMessageEntityMentionName as InputMentionName)
-
-
-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)
-
-    @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
-
-
-def offset_diff(amount: int) -> Callable[[TypeMessageEntity], None]:
-    def func(entity: TypeMessageEntity) -> None:
-        entity.offset += amount
-
-    return func
-
-
-def offset_length_multiply(amount: int) -> Callable[[TypeMessageEntity], None]:
-    def func(entity: TypeMessageEntity) -> None:
-        entity.offset *= amount
-        entity.length *= amount
-
-    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
@@ -1,338 +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, TYPE_CHECKING
-from html import escape
-import logging
-import re
-
-from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityUrl,
-                               MessageEntityEmail, MessageEntityTextUrl, MessageEntityBold,
-                               MessageEntityItalic, MessageEntityCode, MessageEntityPre,
-                               MessageEntityBotCommand, MessageEntityHashtag, MessageEntityCashtag,
-                               MessageEntityPhone, TypeMessageEntity, Message, PeerChannel,
-                               MessageFwdHeader, PeerUser)
-
-from mautrix_appservice import MatrixRequestError
-from mautrix_appservice.intent_api import IntentAPI
-
-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.getLogger("mau.fmt.tg")  # type: logging.Logger
-should_highlight_edits = False  # type: bool
-
-
-def telegram_reply_to_matrix(evt: Message, source: 'AbstractUser') -> Dict:
-    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)
-        if msg:
-            return {
-                "m.in_reply_to": {
-                    "event_id": msg.mxid,
-                    "room_id": msg.mx_room,
-                }
-            }
-    return {}
-
-
-async def _add_forward_header(source, text: str, html: Optional[str],
-                              fwd_from: MessageFwdHeader) -> Tuple[str, str]:
-    if not html:
-        html = escape(text)
-    fwd_from_html, fwd_from_text = None, None
-    if fwd_from.from_id:
-        user = u.User.get_by_tgid(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>"
-
-        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>"
-
-        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"
-        else:
-            fwd_from_text = "Unknown source"
-        fwd_from_html = f"<b>{fwd_from_text}</b>"
-
-    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
-
-
-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]:
-    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)
-    if not msg:
-        return text, html
-
-    relates_to["m.in_reply_to"] = {
-        "event_id": msg.mxid,
-        "room_id": msg.mx_room,
-    }
-
-    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
-
-
-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
-
-    if prefix_html:
-        html = prefix_html + (html or escape(text))
-    if prefix_text:
-        text = prefix_text + text
-
-    if evt.fwd_from:
-        text, html = await _add_forward_header(source, text, html, 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 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>"
-
-    html = unicode_to_html(text, html, "\u0336", "del")
-    html = unicode_to_html(text, html, "\u0332", "u")
-
-    if html:
-        html = html.replace("\n", "<br/>")
-
-    return remove_surrogates(text), remove_surrogates(html), relates_to
-
-
-def _telegram_entities_to_matrix_catch(text: str, entities: List[TypeMessageEntity]) -> str:
-    try:
-        return _telegram_entities_to_matrix(text, entities)
-    except Exception:
-        log.exception("Failed to convert Telegram format:\n"
-                      "message=%s\n"
-                      "entities=%s",
-                      text, entities)
-    return "[failed conversion in _telegram_entities_to_matrix]"
-
-
-def _telegram_entities_to_matrix(text: str, entities: List[TypeMessageEntity]) -> str:
-    if not entities:
-        return 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:
-            continue
-
-        skip_entity = False
-        entity_text = escape(text[entity.offset:entity.offset + 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 == MessageEntityCode:
-            html.append(f"<pre><code>{entity_text}</code></pre>"
-                        if "\n" in entity_text
-                        else f"<code>{entity_text}</code>")
-        elif entity_type == MessageEntityPre:
-            skip_entity = _parse_pre(html, entity_text, entity.language)
-        elif entity_type == MessageEntityMention:
-            skip_entity = _parse_mention(html, entity_text)
-        elif entity_type == MessageEntityMentionName:
-            skip_entity = _parse_name_mention(html, entity_text, TelegramID(entity.user_id))
-        elif entity_type == MessageEntityEmail:
-            html.append(f"<a href='mailto:{entity_text}'>{entity_text}</a>")
-        elif entity_type in (MessageEntityTextUrl, MessageEntityUrl):
-            skip_entity = _parse_url(html, entity_text,
-                                     entity.url if entity_type == MessageEntityTextUrl else None)
-        elif entity_type == MessageEntityBotCommand:
-            html.append(f"<font color='blue'>!{entity_text[1:]}</font>")
-        elif entity_type in (MessageEntityHashtag, MessageEntityCashtag, MessageEntityPhone):
-            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:])
-
-    return "".join(html)
-
-
-def _parse_pre(html: List[str], entity_text: str, language: str) -> bool:
-    if language:
-        html.append("<pre>"
-                    f"<code class='language-{language}'>{entity_text}</code>"
-                    "</pre>")
-    else:
-        html.append(f"<pre><code>{entity_text}</code></pre>")
-    return False
-
-
-def _parse_mention(html: List[str], entity_text: str) -> bool:
-    username = entity_text[1:]
-
-    user = u.User.find_by_username(username) or pu.Puppet.find_by_username(username)
-    if user:
-        mxid = user.mxid
-    else:
-        portal = po.Portal.find_by_username(username)
-        mxid = portal.alias or portal.mxid if portal else None
-
-    if mxid:
-        html.append(f"<a href='https://matrix.to/#/{mxid}'>{entity_text}</a>")
-    else:
-        return True
-    return False
-
-
-def _parse_name_mention(html: List[str], entity_text: str, user_id: TelegramID) -> bool:
-    user = u.User.get_by_tgid(user_id)
-    if user:
-        mxid = user.mxid
-    else:
-        puppet = pu.Puppet.get(user_id, create=False)
-        mxid = puppet.mxid if puppet else None
-    if mxid:
-        html.append(f"<a href='https://matrix.to/#/{mxid}'>{entity_text}</a>")
-    else:
-        return True
-    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})")
-
-
-def _parse_url(html: List[str], entity_text: str, url: str) -> bool:
-    url = escape(url) if url else entity_text
-    if not url.startswith(("https://", "http://", "ftp://", "magnet://")):
-        url = "http://" + url
-
-    message_link_match = message_link_regex.match(url)
-    if message_link_match:
-        group, msgid_str = message_link_match.groups()
-        msgid = int(msgid_str)
-
-        portal = po.Portal.find_by_username(group)
-        if portal:
-            message = DBMessage.get_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"]
@@ -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)
@@ -1,424 +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, Match, Optional, Set, Tuple, TYPE_CHECKING
-import logging
-import asyncio
-import re
-
-from mautrix_appservice import MatrixRequestError, IntentError
-
-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
-
-
-class MatrixHandler:
-    log = logging.getLogger("mau.mx")  # type: logging.Logger
-
-    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]
-
-        self.az.matrix_event_handler(self.handle_event)
-
-    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")
-
-        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 handle_puppet_invite(self, room_id: MatrixRoomID, puppet: pu.Puppet, inviter: u.User
-                                   ) -> 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():
-            await intent.error_and_leave(
-                room_id, text="Please log in before inviting Telegram puppets.")
-            return
-        portal = po.Portal.get_by_mxid(room_id)
-        if portal:
-            if portal.peer_type == "user":
-                await intent.error_and_leave(
-                    room_id, text="You can not invite additional users to private chats.")
-                return
-            await portal.invite_telegram(inviter, puppet)
-            await intent.join_room(room_id)
-            return
-        try:
-            members = await self.az.intent.get_room_members(room_id)
-        except MatrixRequestError:
-            members = []
-        if self.az.bot_mxid not in members:
-            if len(members) > 1:
-                await intent.error_and_leave(room_id, text=None, html=(
-                    f"Please invite "
-                    f"<a href='https://matrix.to/#/{self.az.bot_mxid}'>the bridge bot</a> "
-                    f"first if you want to create a Telegram chat."))
-                return
-
-            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.leave_room(room_id)
-                    return
-                except MatrixRequestError:
-                    pass
-            portal.mxid = room_id
-            portal.save()
-            inviter.register_portal(portal)
-            await intent.send_notice(room_id, "Portal to private chat created.")
-        else:
-            await intent.join_room(room_id)
-            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)
-            return
-
-        user = u.User.get_by_mxid(user_id, create=False)
-        if not user:
-            return
-        await user.ensure_started()
-        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:
-        user = await u.User.get_by_mxid(user_id).ensure_started()
-
-        portal = po.Portal.get_by_mxid(room_id)
-        if not portal:
-            return
-
-        if not user.relaybot_whitelisted:
-            await portal.main_intent.kick(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.")
-            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:
-        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
-
-        puppet = pu.Puppet.get_by_mxid(user_id)
-        if puppet:
-            if sender:
-                await portal.kick_matrix(puppet, sender)
-            return
-
-        user = u.User.get_by_mxid(user_id, create=False)
-        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)
-
-    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_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)
-
-    @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()
-        if not sender.relaybot_whitelisted:
-            return
-
-        portal = po.Portal.get_by_mxid(room_id)
-        if not portal:
-            return
-
-        await portal.handle_matrix_deletion(sender, event_id)
-
-    @staticmethod
-    async def handle_power_levels(room_id: MatrixRoomID, sender_mxid: MatrixUserID,
-                                  new: Dict, old: 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:
-            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"),
-            }[evt_type]
-            if content_key not in content:
-                return
-            await handler(sender, content[content_key])
-
-    @staticmethod
-    async def handle_room_pin(room_id: MatrixRoomID, sender_mxid: MatrixUserID,
-                              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()
-        if await sender.has_full_access(allow_bot=True) and portal:
-            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())
-            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:
-        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)
-
-    @staticmethod
-    def parse_read_receipts(content: Dict) -> Dict[MatrixUserID, MatrixEventID]:
-        return {user_id: event_id
-                for event_id, receipts in content.items()
-                for user_id in receipts.get("m.read", {})}
-
-    @staticmethod
-    async def handle_read_receipts(room_id: MatrixRoomID,
-                                   receipts: Dict[MatrixUserID, MatrixEventID]) -> None:
-        portal = po.Portal.get_by_mxid(room_id)
-        if not portal:
-            return
-
-        for user_id, event_id in receipts.items():
-            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:
-        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")
-
-    async def handle_typing(self, room_id: MatrixRoomID, now_typing: List[MatrixUserID]) -> None:
-        portal = po.Portal.get_by_mxid(room_id)
-        if not portal:
-            return
-
-        for user_id in set(self.previously_typing + now_typing):
-            is_typing = user_id in now_typing
-            was_typing = user_id in self.previously_typing
-            if is_typing and was_typing:
-                continue
-
-            user = await u.User.get_by_mxid(user_id).ensure_started()
-            if not await user.is_logged_in():
-                continue
-
-            await portal.set_typing(user, is_typing)
-
-        self.previously_typing = 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)
-
-    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_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"])
-            try:
-                old_events = set(evt["unsigned"]["prev_content"]["pinned"])
-            except KeyError:
-                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", []))
@@ -1,482 +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, Coroutine, Dict, List, Optional, Pattern, TYPE_CHECKING
-from difflib import SequenceMatcher
-from enum import Enum
-from aiohttp import ServerDisconnectedError
-import asyncio
-import logging
-import re
-
-from sqlalchemy import orm
-
-from telethon.tl.types import UserProfilePhoto, User, FileLocation
-from mautrix_appservice import AppService, IntentAPI, IntentError, MatrixRequestError
-
-from .types import MatrixUserID, TelegramID
-from .db import Puppet as DBPuppet
-from . import util
-
-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
-
-
-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]
-
-    def __init__(self,
-                 id: TelegramID,
-                 access_token: Optional[str] = None,
-                 custom_mxid: Optional[MatrixUserID] = 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,
-                 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.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.default_mxid_intent = self.az.intent.user(self.default_mxid)
-        self.intent = self._fresh_intent()  # type: IntentAPI
-
-        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
-
-    @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)
-
-    @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)
-
-    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()
-
-        err = await self.init_custom_mxid()
-        if err != PuppetError.Success:
-            return err
-
-        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
-    def db_instance(self) -> DBPuppet:
-        if not self._db_instance:
-            self._db_instance = self.new_db_instance()
-        return self._db_instance
-
-    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)
-
-    @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_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)
-        displayname_similarity = (SequenceMatcher(None, self.displayname, query).ratio()
-                                  if self.displayname else 0)
-        similarity = max(username_similarity, displayname_similarity)
-        return int(round(similarity * 100))
-
-    @staticmethod
-    def get_displayname(info: User, enable_format: bool = True) -> str:
-        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,
-        }
-        preferences = config.get("bridge.displayname_preference",
-                                 ["full name", "username", "phone"])
-        name = None
-        for preference in preferences:
-            name = data[preference]
-            if name:
-                break
-
-        if info.deleted:
-            name = f"Deleted account {info.id}"
-        elif not name:
-            name = info.id
-
-        if not enable_format:
-            return name
-        return config.get("bridge.displayname_template", "{displayname} (Telegram)").format(
-            displayname=name)
-
-    async def update_info(self, source: 'AbstractUser', info: User) -> None:
-        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
-
-        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:
-            return False
-
-        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
-            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}"
-        if self.photo_id != photo_id:
-            file = await util.transfer_file_to_matrix(self.db, source.client,
-                                                      self.default_mxid_intent, photo)
-            if file:
-                await self.default_mxid_intent.set_avatar(file.mxc)
-                self.photo_id = photo_id
-                return True
-        return False
-
-    # endregion
-    # region Getters
-
-    @classmethod
-    def get(cls, tgid: TelegramID, create: bool = True) -> Optional['Puppet']:
-        try:
-            return cls.cache[tgid]
-        except KeyError:
-            pass
-
-        puppet = DBPuppet.query.get(tgid)
-        if puppet:
-            return cls.from_db(puppet)
-
-        if create:
-            puppet = cls(tgid)
-            cls.db.add(puppet.db_instance)
-            cls.db.commit()
-            return puppet
-
-        return None
-
-    @classmethod
-    def get_by_mxid(cls, mxid: MatrixUserID, create: bool = True) -> Optional['Puppet']:
-        tgid = cls.get_id_from_mxid(mxid)
-        if tgid:
-            return cls.get(tgid, create)
-
-        return None
-
-    @classmethod
-    def get_by_custom_mxid(cls, mxid: MatrixUserID) -> Optional['Puppet']:
-        if not mxid:
-            raise ValueError("Matrix ID can't be empty")
-
-        try:
-            return cls.by_custom_mxid[mxid]
-        except KeyError:
-            pass
-
-        puppet = DBPuppet.query.filter(DBPuppet.custom_mxid == mxid).one_or_none()
-        if puppet:
-            puppet = cls.from_db(puppet)
-            return puppet
-
-        return None
-
-    @classmethod
-    def get_all_with_custom_mxid(cls) -> List['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()]
-
-    @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
-
-    @classmethod
-    def get_mxid_from_id(cls, tgid: TelegramID) -> MatrixUserID:
-        return MatrixUserID(f"@{cls.username_template.format(userid=tgid)}:{cls.hs_domain}")
-
-    @classmethod
-    def find_by_username(cls, username: str) -> Optional['Puppet']:
-        if not username:
-            return None
-
-        for _, puppet in cls.cache.items():
-            if puppet.username and puppet.username.lower() == username.lower():
-                return puppet
-
-        dbpuppet = DBPuppet.query.filter(DBPuppet.username == username).one_or_none()
-        if dbpuppet:
-            return cls.from_db(dbpuppet)
-
-        return None
-
-    @classmethod
-    def find_by_displayname(cls, displayname: str) -> Optional['Puppet']:
-        if not displayname:
-            return None
-
-        for _, puppet in cls.cache.items():
-            if puppet.displayname and puppet.displayname == displayname:
-                return puppet
-
-        dbpuppet = DBPuppet.query.filter(DBPuppet.displayname == displayname).one_or_none()
-        if dbpuppet:
-            return cls.from_db(dbpuppet)
-
-        return None
-    # endregion
-
-
-def init(context: 'Context') -> List[Coroutine]:  # [None, None, PuppetError]
-    global config
-    Puppet.az, Puppet.db, 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()]
@@ -1,59 +0,0 @@
-import argparse
-import sqlalchemy as sql
-from sqlalchemy import orm
-from sqlalchemy.ext.declarative import declarative_base
-
-from alchemysession import AlchemySessionContainer
-
-parser = argparse.ArgumentParser(description="mautrix-telegram dbms migration script",
-                                 prog="python -m mautrix_telegram.scripts.dbms_migrate")
-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")
-args = parser.parse_args()
-
-
-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)
-    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
-    session_container = AlchemySessionContainer(engine=db_engine, session=db_session,
-                                                table_base=base.Base, table_prefix="telethon_",
-                                                manage_tables=False)
-
-    return db_session, {
-        "Version": session_container.Version,
-        "Session": session_container.Session,
-        "Entity": session_container.Entity,
-        "SentFile": session_container.SentFile,
-        "UpdateState": session_container.UpdateState,
-        "Portal": Portal,
-        "Message": Message,
-        "Puppet": Puppet,
-        "User": User,
-        "UserPortal": UserPortal,
-        "RoomState": RoomState,
-        "UserProfile": UserProfile,
-        "Contact": Contact,
-        "BotChat": BotChat,
-        "TelegramFile": TelegramFile,
-    }
-
-
-session, tables = connect(args.from_url)
-
-data = {}
-for name, table in tables.items():
-    data[name] = session.query(table).all()
-
-session, tables = connect(args.to_url)
-for name, table in tables.items():
-    for row in data[name]:
-        session.merge(row)
-session.commit()
@@ -1,93 +0,0 @@
-import argparse
-import sqlalchemy as sql
-from sqlalchemy import orm
-
-from mautrix_telegram.base import Base
-from mautrix_telegram.config import Config
-from mautrix_telegram.db import Portal, Message, Puppet, BotChat
-from .models import ChatLink, TgUser, MatrixUser, Message as TMMessage, Base as TelematrixBase
-
-parser = argparse.ArgumentParser(
-    description="mautrix-telegram telematrix import script",
-    prog="python -m mautrix_telegram.scripts.telematrix_import")
-parser.add_argument("-c", "--config", type=str, default="config.yaml",
-                    metavar="<path>", help="the path to your mautrix-telegram config file")
-parser.add_argument("-b", "--bot-id", type=int, required=True,
-                    metavar="<id>", help="the telegram user ID of your relay bot")
-parser.add_argument("-t", "--telematrix-database", type=str, default="sqlite:///database.db",
-                    metavar="<url>", help="your telematrix database URL")
-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 = orm.sessionmaker(bind=mxtg_db_engine)()
-Base.metadata.bind = mxtg_db_engine
-
-telematrix_db_engine = sql.create_engine(args.telematrix_database)
-telematrix = orm.sessionmaker(bind=telematrix_db_engine)()
-TelematrixBase.metadata.bind = telematrix_db_engine
-
-chat_links = telematrix.query(ChatLink).all()
-tg_users = telematrix.query(TgUser).all()
-mx_users = telematrix.query(MatrixUser).all()
-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]
-
-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)
-        continue
-    if chat_link.tg_room >= 0:
-        print("Unexpected unprefixed telegram chat ID: %s, ignoring..." % chat_link.tg_room)
-        continue
-    tgid = str(chat_link.tg_room)
-    if tgid.startswith("-100"):
-        tgid = int(tgid[4:])
-        peer_type = "channel"
-        megagroup = True
-    else:
-        tgid = -chat_link.tg_room
-        peer_type = "chat"
-        megagroup = False
-
-    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
-
-for tm_msg in tm_messages:
-    try:
-        portal = portals[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))
-        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,
-                      tgid=tm_msg.tg_message_id, tg_space=tg_space)
-    messages[tm_msg.matrix_event_id] = message
-
-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():
-    mxtg.add(v)
-for k, v in chats.items():
-    mxtg.add(v)
-for k, v in messages.items():
-    mxtg.add(v)
-for k, v in puppets.items():
-    mxtg.add(v)
-
-mxtg.commit()
@@ -1,44 +0,0 @@
-import sqlalchemy as sa
-from sqlalchemy.ext.declarative import declarative_base
-
-Base = declarative_base()
-
-
-class ChatLink(Base):
-    __tablename__ = "chat_link"
-
-    id = sa.Column(sa.Integer, primary_key=True)
-    matrix_room = sa.Column(sa.String)
-    tg_room = sa.Column(sa.BigInteger)
-    active = sa.Column(sa.Boolean)
-
-
-class TgUser(Base):
-    __tablename__ = "tg_user"
-
-    id = sa.Column(sa.Integer, primary_key=True)
-    tg_id = sa.Column(sa.BigInteger)
-    name = sa.Column(sa.String)
-    profile_pic_id = sa.Column(sa.String, nullable=True)
-
-
-class MatrixUser(Base):
-    __tablename__ = "matrix_user"
-
-    id = sa.Column(sa.Integer, primary_key=True)
-    matrix_id = sa.Column(sa.String)
-    name = sa.Column(sa.String)
-
-
-class Message(Base):
-    """Describes a message in a room bridged between Telegram and Matrix"""
-    __tablename__ = "message"
-
-    id = sa.Column(sa.Integer, primary_key=True)
-    tg_group_id = sa.Column(sa.BigInteger)
-    tg_message_id = sa.Column(sa.BigInteger)
-
-    matrix_room_id = sa.Column(sa.String)
-    matrix_event_id = sa.Column(sa.String)
-
-    displayname = sa.Column(sa.String)
@@ -1,122 +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, Tuple
-
-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]
-
-    @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)
-        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()
@@ -1,53 +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, 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
-
-
-class MautrixTelegramClient(TelegramClient):
-    async def upload_file_direct(self, file: bytes, mime_type: str = None,
-                                 attributes: List[TypeDocumentAttribute] = None,
-                                 file_name: str = None
-                                 ) -> Union[InputMediaUploadedDocument, InputMediaUploadedPhoto]:
-        file_handle = await super().upload_file(file, file_name=file_name, use_cache=False)
-
-        if mime_type == "image/png" or mime_type == "image/jpeg":
-            return InputMediaUploadedPhoto(file_handle)
-        else:
-            attributes = attributes or []
-            attr_dict = {type(attr): attr for attr in attributes}
-
-            return InputMediaUploadedDocument(
-                file=file_handle,
-                mime_type=mime_type or "application/octet-stream",
-                attributes=list(attr_dict.values()))
-
-    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]:
-        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 [],
-                                   reply_to_msg_id=reply_to)
-        return self._get_response_message(request, await self(request), entity)
@@ -1,9 +0,0 @@
-from typing import Dict, NewType
-
-MatrixUserID = NewType('MatrixUserID', str)
-MatrixRoomID = NewType('MatrixRoomID', str)
-MatrixEventID = NewType('MatrixEventID', str)
-
-MatrixEvent = NewType('MatrixEvent', Dict)
-
-TelegramID = NewType('TelegramID', int)
@@ -1,407 +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 Coroutine, Dict, List, Match, NewType, Optional, Tuple, 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.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 .abstract_user import AbstractUser
-from . import portal as po, puppet as pu
-
-if TYPE_CHECKING:
-    from .config import Config
-    from .context import Context
-
-config = None  # type: Config
-
-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]
-
-    def __init__(self, mxid: MatrixUserID, tgid: Optional[TelegramID] = None,
-                 username: Optional[str] = None, phone: Optional[str] = None,
-                 db_contacts: Optional[List[DBContact]] = None,
-                 saved_contacts: int = 0, is_bot: bool = False,
-                 db_portals: Optional[List[DBPortal]] = 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.command_status = None  # type: Dict
-
-        (self.relaybot_whitelisted,
-         self.whitelisted,
-         self.puppet_whitelisted,
-         self.matrix_puppet_whitelisted,
-         self.is_admin,
-         self.permissions) = config.get_permissions(self.mxid)
-
-        self.by_mxid[mxid] = self
-        if tgid:
-            self.by_tgid[tgid] = self
-
-    @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)
-
-    @property
-    def human_tg_id(self) -> str:
-        return f"@{self.username}" if self.username else f"+{self.phone}" or None
-
-    # TODO replace with proper displayname getting everywhere
-    @property
-    def displayname(self) -> str:
-        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 []
-
-    @property
-    def db_portals(self) -> List[DBPortal]:
-        return [portal.db_instance for portal in self.portals.values() if not portal.deleted]
-
-    @db_portals.setter
-    def db_portals(self, portals: List[DBPortal]) -> None:
-        self.portals = {
-            (portal.tgid, portal.tg_receiver): po.Portal.get_by_tgid(portal.tgid,
-                                                                     portal.tg_receiver)
-            for portal in portals
-        } if portals else {}
-
-    # region Database conversion
-
-    @property
-    def db_instance(self) -> DBUser:
-        if not self._db_instance:
-            self._db_instance = self.new_db_instance()
-        return self._db_instance
-
-    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)
-
-    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 delete(self) -> 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()
-
-    @classmethod
-    def from_db(cls, db_user: DBUser) -> 'User':
-        return User(db_user.mxid, db_user.tgid, db_user.tg_username, db_user.tg_phone,
-                    db_user.contacts, db_user.saved_contacts, False, db_user.portals,
-                    db_instance=db_user)
-
-    # endregion
-    # region Telegram connection management
-
-    async def start(self, delete_unless_authenticated: bool = False) -> 'User':
-        await super().start()
-        if await self.is_logged_in():
-            self.log.debug(f"Ensuring post_login() for {self.name}")
-            asyncio.ensure_future(self.post_login(), loop=self.loop)
-        elif delete_unless_authenticated:
-            self.log.debug(f"Unauthenticated user {self.name} start()ed, deleting session...")
-            await self.client.disconnect()
-            self.client.session.delete()
-        return self
-
-    async def post_login(self, info: TLUser = None) -> None:
-        try:
-            await self.update_info(info)
-            if not self.is_bot:
-                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)
-
-    async def update(self, update: TypeUpdate) -> bool:
-        if not self.is_bot:
-            return False
-
-        if isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage)):
-            message = update.message
-            if isinstance(message.to_id, PeerUser) and not message.out:
-                portal = po.Portal.get_by_tgid(message.from_id, peer_type="user",
-                                               tg_receiver=self.tgid)
-            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")
-        elif isinstance(update, UpdateShortMessage):
-            portal = po.Portal.get_by_tgid(TelegramID(update.user_id), self.tgid, "user")
-        else:
-            return False
-
-        if portal:
-            self.register_portal(portal)
-
-        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))
-
-    async def update_info(self, info: TLUser = None) -> None:
-        info = info or await self.client.get_me()
-        changed = False
-        if self.is_bot != info.bot:
-            self.is_bot = info.bot
-            changed = True
-        if self.username != info.username:
-            self.username = info.username
-            changed = True
-        if self.phone != info.phone:
-            self.phone = info.phone
-            changed = True
-        if self.tgid != info.id:
-            self.tgid = info.id
-            self.by_tgid[self.tgid] = self
-        if changed:
-            self.save()
-
-    async def log_out(self) -> bool:
-        puppet = pu.Puppet.get(self.tgid)
-        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:
-                continue
-            try:
-                await portal.main_intent.kick(portal.mxid, self.mxid, "Logged out of Telegram.")
-            except MatrixRequestError:
-                pass
-        self.portals = {}
-        self.contacts = []
-        self.save()
-        if self.tgid:
-            try:
-                del self.by_tgid[self.tgid]
-            except KeyError:
-                pass
-            self.tgid = None
-            self.save()
-        ok = await self.client.log_out()
-        if not ok:
-            return False
-        self.delete()
-        return True
-
-    def _search_local(self, query: str, max_results: int = 5, min_similarity: int = 45
-                      ) -> List[SearchResult]:
-        results = []  # type: List[SearchResult]
-        for contact in self.contacts:
-            similarity = contact.similarity(query)
-            if similarity >= min_similarity:
-                results.append(SearchResult((contact, similarity)))
-        results.sort(key=lambda tup: tup[1], reverse=True)
-        return results[0:max_results]
-
-    async def _search_remote(self, query: str, max_results: int = 5) -> List[SearchResult]:
-        if len(query) < 5:
-            return []
-        server_results = await self.client(SearchRequest(q=query, limit=max_results))
-        results = []  # type: List[SearchResult]
-        for user in server_results.users:
-            puppet = pu.Puppet.get(user.id)
-            await puppet.update_info(self, user)
-            results.append(SearchResult((puppet, puppet.similarity(query))))
-        results.sort(key=lambda tup: tup[1], reverse=True)
-        return results[0:max_results]
-
-    async def search(self, query: str, force_remote: bool = False
-                     ) -> Tuple[List[SearchResult], bool]:
-        if force_remote:
-            return await self._search_remote(query), True
-
-        results = self._search_local(query)
-        if results:
-            return results, False
-
-        return await self._search_remote(query), True
-
-    async def sync_dialogs(self, synchronous_create: bool = False) -> None:
-        creators = []
-        for entity in await self.get_dialogs(limit=30):
-            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()
-        await asyncio.gather(*creators, loop=self.loop)
-
-    def register_portal(self, portal: po.Portal) -> None:
-        try:
-            if self.portals[portal.tgid_full] == portal:
-                return
-        except KeyError:
-            pass
-        self.portals[portal.tgid_full] = portal
-        self.save()
-
-    def unregister_portal(self, portal: po.Portal) -> None:
-        try:
-            del self.portals[portal.tgid_full]
-            self.save()
-        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)
-
-    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
-        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.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()
-
-    # endregion
-    # region Class instance lookup
-
-    @classmethod
-    def get_by_mxid(cls, mxid: MatrixUserID, create: bool = True) -> Optional['User']:
-        if not mxid:
-            raise ValueError("Matrix ID can't be empty")
-
-        try:
-            return cls.by_mxid[mxid]
-        except KeyError:
-            pass
-
-        user = DBUser.query.get(mxid)
-        if user:
-            user = cls.from_db(user)
-            return user
-
-        if create:
-            user = cls(mxid)
-            cls.db.add(user.db_instance)
-            cls.db.commit()
-            return user
-
-        return None
-
-    @classmethod
-    def get_by_tgid(cls, tgid: int) -> Optional['User']:
-        try:
-            return cls.by_tgid[tgid]
-        except KeyError:
-            pass
-
-        user = DBUser.query.filter(DBUser.tgid == tgid).one_or_none()
-        if user:
-            user = cls.from_db(user)
-            return user
-
-        return None
-
-    @classmethod
-    def find_by_username(cls, username: str) -> Optional['User']:
-        if not username:
-            return None
-
-        for _, user in cls.by_tgid.items():
-            if user.username and user.username.lower() == username.lower():
-                return user
-
-        puppet = DBUser.query.filter(DBUser.tg_username == username).one_or_none()
-        if puppet:
-            return cls.from_db(puppet)
-
-        return None
-    # endregion
-
-
-def init(context: 'Context') -> List[Coroutine]:  # [None, None, AbstractUser]
-    global config
-    config = context.config
-
-    users = [User.from_db(user) for user in DBUser.query.all()]
-    return [user.ensure_started() for user in users]
@@ -1,4 +0,0 @@
-from .file_transfer import transfer_file_to_matrix, convert_image
-from .format_duration import format_duration
-from .signed_token import sign_token, verify_token
-from .recursive_dict import recursive_del, recursive_set, recursive_get
@@ -1,216 +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, Tuple, Union, Dict
-from io import BytesIO
-import time
-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.errors import (AuthBytesInvalidError, AuthKeyInvalidError, LocationInvalidError,
-                             SecurityError)
-from mautrix_appservice import IntentAPI
-
-from ..tgclient import MautrixTelegramClient
-from ..db import TelegramFile as DBTelegramFile
-
-try:
-    from PIL import Image
-except ImportError:
-    Image = None
-try:
-    from moviepy.editor import VideoFileClip
-    import random
-    import string
-    import os
-    import mimetypes
-except ImportError:
-    VideoFileClip = random = string = os = mimetypes = None
-
-log = logging.getLogger("mau.util")  # type: logging.Logger
-
-TypeLocation = Union[Document, InputDocumentFileLocation, FileLocation, InputFileLocation]
-
-
-def convert_image(file: bytes, source_mime: str = "image/webp", target_type: str = "png",
-                  thumbnail_to: Optional[Tuple[int, int]] = None
-                  ) -> Tuple[str, bytes, Optional[int], Optional[int]]:
-    if not Image:
-        return source_mime, file, None, None
-    try:
-        image = Image.open(BytesIO(file)).convert("RGBA")  # type: Image.Image
-        if thumbnail_to:
-            image.thumbnail(thumbnail_to, Image.ANTIALIAS)
-        new_file = BytesIO()
-        image.save(new_file, target_type)
-        w, h = image.size
-        return f"image/{target_type}", new_file.getvalue(), w, h
-    except Exception:
-        log.exception(f"Failed to convert {source_mime} to {target_type}")
-        return source_mime, file, None, None
-
-
-def _temp_file_name(ext: str) -> str:
-    return ("/tmp/mxtg-video-"
-            + "".join(random.choice(string.ascii_uppercase + string.digits) for _ in range(10))
-            + ext)
-
-
-def _read_video_thumbnail(data: bytes, video_ext: str = "mp4", frame_ext: str = "png",
-                          max_size: Tuple[int, int] = (1024, 720)) -> Tuple[bytes, int, int]:
-    # We don't have any way to read the video from memory, so save it to disk.
-    temp_file = _temp_file_name(video_ext)
-    with open(temp_file, "wb") as file:
-        file.write(data)
-
-    # Read temp file and get frame
-    clip = VideoFileClip(temp_file)
-    frame = clip.get_frame(0)
-
-    # Convert to png and save to BytesIO
-    image = Image.fromarray(frame).convert("RGBA")
-    thumbnail_file = BytesIO()
-    if max_size:
-        image.thumbnail(max_size, Image.ANTIALIAS)
-    image.save(thumbnail_file, frame_ext)
-
-    os.remove(temp_file)
-
-    w, h = image.size
-    return thumbnail_file.getvalue(), w, h
-
-
-def _location_to_id(location: TypeLocation) -> str:
-    if isinstance(location, (Document, InputDocumentFileLocation)):
-        return f"{location.id}-{location.version}"
-    elif isinstance(location, (FileLocation, InputFileLocation)):
-        return f"{location.volume_id}-{location.local_id}"
-
-
-async def transfer_thumbnail_to_matrix(client: MautrixTelegramClient, intent: IntentAPI,
-                                       thumbnail_loc: TypeLocation, video: bytes,
-                                       mime: str) -> Optional[DBTelegramFile]:
-    if not Image or not VideoFileClip:
-        return None
-
-    loc_id = _location_to_id(thumbnail_loc)
-    if not loc_id:
-        return None
-
-    video_ext = mimetypes.guess_extension(mime)
-    if VideoFileClip and video_ext:
-        try:
-            file, width, height = _read_video_thumbnail(video, video_ext, frame_ext="png")
-        except OSError:
-            return None
-        mime_type = "image/png"
-    else:
-        file = await client.download_file(thumbnail_loc)
-        width, height = None, None
-        mime_type = magic.from_buffer(file, mime=True)
-
-    content_uri = await intent.upload_file(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)
-
-
-transfer_locks = {}  # type: Dict[str, asyncio.Lock]
-
-
-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]:
-    location_id = _location_to_id(location)
-    if not location_id:
-        return None
-
-    db_file = DBTelegramFile.query.get(location_id)
-    if db_file:
-        return db_file
-
-    try:
-        lock = transfer_locks[location_id]
-    except KeyError:
-        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)
-
-
-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)
-    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
-
-    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
-
-    content_uri = await intent.upload_file(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
-        db_file.thumbnail = await transfer_thumbnail_to_matrix(client, intent, thumbnail, file,
-                                                               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.")
-    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
@@ -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/>.
-
-
-def format_duration(seconds: int) -> str:
-    def pluralize(count: int, singular: str) -> str:
-        return singular if count == 1 else singular + "s"
-
-    def include(count: int, word: str) -> str:
-        return f"{count} {pluralize(count, word)}" if count > 0 else ""
-
-    minutes, seconds = divmod(seconds, 60)
-    hours, minutes = divmod(minutes, 60)
-    days, hours = divmod(hours, 24)
-    parts = [a for a in [
-        include(days, "day"),
-        include(hours, "hour"),
-        include(minutes, "minute"),
-        include(seconds, "second")] if a]
-    if len(parts) > 2:
-        return "{} and {}".format(", ".join(parts[:-1]), parts[-1])
-    return " and ".join(parts)
@@ -1,54 +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, Any
-from ..config import DictWithRecursion
-
-
-def recursive_set(data: Dict[str, Any], key: str, value: Any) -> bool:
-    key, next_key = DictWithRecursion._parse_key(key)
-    if next_key is not None:
-        if key not in data:
-            data[key] = {}
-        next_data = data.get(key, {})
-        if not isinstance(next_data, dict):
-            return False
-        return recursive_set(next_data, next_key, value)
-    data[key] = value
-    return True
-
-
-def recursive_get(data: Dict[str, Any], key: str) -> Any:
-    key, next_key = DictWithRecursion._parse_key(key)
-    if next_key is not None:
-        next_data = data.get(key, None)
-        if not next_data:
-            return None
-        return recursive_get(next_data, next_key)
-    return data.get(key, None)
-
-
-def recursive_del(data: Dict[str, any], key: str) -> bool:
-    key, next_key = DictWithRecursion._parse_key(key)
-    if next_key is not None:
-        if key not in data:
-            return False
-        next_data = data.get(key, {})
-        return recursive_del(next_data, next_key)
-    if key in data:
-        del data[key]
-        return True
-    return False
@@ -1,53 +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, Optional
-import json
-import base64
-import hashlib
-
-
-def _get_checksum(key: str, payload: bytes) -> str:
-    hasher = hashlib.sha256()
-    hasher.update(payload)
-    hasher.update(key.encode("utf-8"))
-    checksum = hasher.hexdigest()
-    return checksum
-
-
-def sign_token(key: str, payload: Dict) -> str:
-    payload_b64 = base64.urlsafe_b64encode(json.dumps(payload).encode("utf-8"))
-    checksum = _get_checksum(key, payload_b64)
-    return f"{checksum}:{payload_b64.decode('utf-8')}"
-
-
-def verify_token(key: str, data: str) -> Optional[Dict]:
-    if not data:
-        return None
-
-    try:
-        checksum, payload = data.split(":", 1)
-    except ValueError:
-        return None
-
-    if checksum != _get_checksum(key, payload.encode("utf-8")):
-        return None
-
-    payload = base64.urlsafe_b64decode(payload).decode("utf-8")
-    try:
-        return json.loads(payload)
-    except json.JSONDecodeError:
-        return None
@@ -1,2 +0,0 @@
-from .provisioning import ProvisioningAPI
-from .public import PublicBridgeWebsite
@@ -1 +0,0 @@
-from .auth_api import AuthAPI
@@ -1,194 +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 abc import abstractmethod
-from typing import Optional
-
-from aiohttp import web
-import abc
-import asyncio
-import logging
-
-from telethon.errors import *
-
-from ...commands.auth import enter_password
-from ...util import format_duration
-from ...puppet import Puppet, PuppetError
-from ...user import User
-
-
-class AuthAPI(abc.ABC):
-    log = logging.getLogger("mau.web.auth")  # type: logging.Logger
-
-    def __init__(self, loop: asyncio.AbstractEventLoop):
-        self.loop = loop  # type: asyncio.AbstractEventLoop
-
-    @abstractmethod
-    def get_login_response(self, status: int = 200, state: str = "", username: str = "",
-                           phone: str = "", human_tg_id: str = "", mxid: str = "",
-                           message: str = "", error: str = "", errcode: str = "") -> web.Response:
-        raise NotImplementedError()
-
-    @abstractmethod
-    def get_mx_login_response(self, status: int = 200, state: str = "", username: str = "",
-                              phone: str = "", human_tg_id: str = "", mxid: str = "",
-                              message: str = "", error: str = "", errcode: str = ""
-                              ) -> web.Response:
-        raise NotImplementedError()
-
-    async def post_matrix_token(self, user: User, token: str) -> web.Response:
-        puppet = Puppet.get(user.tgid)
-        if puppet.is_real_user:
-            return self.get_mx_login_response(state="already-logged-in", status=409,
-                                              error="You have already logged in with your Matrix "
-                                                    "account.", errcode="already-logged-in")
-
-        resp = await puppet.switch_mxid(token, user.mxid)
-        if resp == PuppetError.OnlyLoginSelf:
-            return self.get_mx_login_response(status=403, errcode="only-login-self",
-                                              error="You can only log in as your own Matrix user.")
-        elif resp == PuppetError.InvalidAccessToken:
-            return self.get_mx_login_response(status=401, errcode="invalid-access-token",
-                                              error="Failed to verify access token.")
-        assert resp == PuppetError.Success, "Encountered an unhandled PuppetError."
-
-        return self.get_mx_login_response(mxid=user.mxid, status=200, state="logged-in")
-
-    async def post_matrix_password(self, user: User, password: str) -> web.Response:
-        return self.get_mx_login_response(mxid=user.mxid, status=501, error="Not yet implemented",
-                                          errcode="not-yet-implemented")
-
-    async def post_login_phone(self, user: User, phone: str) -> web.Response:
-        try:
-            await user.client.sign_in(phone or "+123")
-            return self.get_login_response(mxid=user.mxid, state="code", status=200,
-                                           message="Code requested successfully.")
-        except PhoneNumberInvalidError:
-            return self.get_login_response(mxid=user.mxid, state="request", status=400,
-                                           errcode="phone_number_invalid",
-                                           error="Invalid phone number.")
-        except PhoneNumberBannedError:
-            return self.get_login_response(mxid=user.mxid, state="request", status=403,
-                                           errcode="phone_number_banned",
-                                           error="Your phone number is banned from Telegram.")
-        except PhoneNumberAppSignupForbiddenError:
-            return self.get_login_response(mxid=user.mxid, state="request", status=403,
-                                           errcode="phone_number_app_signup_forbidden",
-                                           error="You have disabled 3rd party apps on your account.")
-        except PhoneNumberUnoccupiedError:
-            return self.get_login_response(mxid=user.mxid, state="request", status=404,
-                                           errcode="phone_number_unoccupied",
-                                           error="That phone number has not been registered.")
-        except PhoneNumberFloodError:
-            return self.get_login_response(
-                mxid=user.mxid, state="request", status=429, errcode="phone_number_flood",
-                error="Your phone number has been temporarily blocked for flooding. "
-                      "The ban is usually applied for around a day.")
-        except FloodWaitError as e:
-            return self.get_login_response(
-                mxid=user.mxid, state="request", status=429, errcode="flood_wait",
-                error="Your phone number has been temporarily blocked for flooding. "
-                      f"Please wait for {format_duration(e.seconds)} before trying again.")
-        except Exception:
-            self.log.exception("Error requesting phone code")
-            return self.get_login_response(mxid=user.mxid, state="request", status=500,
-                                           errcode="unknown_error",
-                                           error="Internal server error while requesting code.")
-
-    async def postprocess_login(self, user: User, user_info) -> None:
-        existing_user = User.get_by_tgid(user_info.id)
-        if existing_user and existing_user != user:
-            await existing_user.log_out()
-        asyncio.ensure_future(user.post_login(user_info), loop=self.loop)
-        if user.command_status and user.command_status["action"] == "Login":
-            user.command_status = None
-
-
-    async def post_login_token(self, user: User, token: str) -> web.Response:
-        try:
-            user_info = await user.client.sign_in(bot_token=token)
-            await self.postprocess_login(user, user_info)
-            return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
-                                           username=user_info.username, phone=None,
-                                           human_tg_id=f"@{user_info.username}")
-        except AccessTokenInvalidError:
-            return self.get_login_response(mxid=user.mxid, state="token", status=401,
-                                           errcode="bot_token_invalid",
-                                           error="Bot token invalid.")
-        except AccessTokenExpiredError:
-            return self.get_login_response(mxid=user.mxid, state="token", status=403,
-                                           errcode="bot_token_expired",
-                                           error="Bot token expired.")
-        except Exception:
-            self.log.exception("Error sending bot token")
-            return self.get_login_response(mxid=user.mxid, state="token", status=500,
-                                           error="Internal server error while sending token.")
-
-    async def post_login_code(self, user: User, code: int, password_in_data: bool
-                              ) -> Optional[web.Response]:
-        try:
-            user_info = await user.client.sign_in(code=code)
-            await self.postprocess_login(user, user_info)
-            human_tg_id = f"@{user_info.username}" if user_info.username else f"+{user_info.phone}"
-            return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
-                                           username=user_info.username, phone=user_info.phone,
-                                           human_tg_id=human_tg_id)
-        except PhoneCodeInvalidError:
-            return self.get_login_response(mxid=user.mxid, state="code", status=401,
-                                           errcode="phone_code_invalid",
-                                           error="Incorrect phone code.")
-        except PhoneCodeExpiredError:
-            return self.get_login_response(mxid=user.mxid, state="code", status=403,
-                                           errcode="phone_code_expired",
-                                           error="Phone code expired.")
-        except SessionPasswordNeededError:
-            if not password_in_data:
-                if user.command_status and user.command_status["action"] == "Login":
-                    user.command_status = {
-                        "next": enter_password,
-                        "action": "Login (password entry)",
-                    }
-                return self.get_login_response(
-                    mxid=user.mxid, state="password", status=202,
-                    message="Code accepted, but you have 2-factor authentication is enabled.")
-            return None
-        except Exception:
-            self.log.exception("Error sending phone code")
-            return self.get_login_response(mxid=user.mxid, state="code", status=500,
-                                           errcode="unknown_error",
-                                           error="Internal server error while sending code.")
-
-    async def post_login_password(self, user: User, password: str) -> web.Response:
-        try:
-            user_info = await user.client.sign_in(password=password)
-            await self.postprocess_login(user, user_info)
-            human_tg_id = f"@{user_info.username}" if user_info.username else f"+{user_info.phone}"
-            return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
-                                           username=user_info.username, phone=user_info.phone,
-                                           human_tg_id=human_tg_id)
-        except PasswordEmptyError:
-            return self.get_login_response(mxid=user.mxid, state="password", status=400,
-                                           errcode="password_empty",
-                                           error="Empty password.")
-        except PasswordHashInvalidError:
-            return self.get_login_response(mxid=user.mxid, state="password", status=401,
-                                           errcode="password_invalid",
-                                           error="Incorrect password.")
-        except Exception:
-            self.log.exception("Error sending password")
-            return self.get_login_response(mxid=user.mxid, state="password", status=500,
-                                           errcode="unknown_error",
-                                           error="Internal server error while sending password.")
@@ -1,478 +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 aiohttp import web
-from typing import Awaitable, Callable, Dict, Optional, Tuple, TYPE_CHECKING
-import asyncio
-import logging
-import json
-
-from telethon.utils import get_peer_id, resolve_id
-from telethon.tl.types import ChatForbidden, ChannelForbidden, TypeChat
-from mautrix_appservice import AppService, MatrixRequestError, IntentError
-
-from ...types import MatrixUserID, TelegramID
-from ...user import User
-from ...portal import Portal
-from ...commands.portal import user_has_power_level, get_initial_state
-from ..common import AuthAPI
-
-if TYPE_CHECKING:
-    from ...context import Context
-
-
-class ProvisioningAPI(AuthAPI):
-    log = logging.getLogger("mau.web.provisioning")  # type: logging.Logger
-
-    def __init__(self, context: "Context") -> None:
-        super().__init__(context.loop)
-        self.secret = context.config["appservice.provisioning.shared_secret"]  # type: str
-        self.az = context.az  # type: AppService
-        self.context = context  # type: Context
-
-        self.app = web.Application(loop=context.loop, middlewares=[self.error_middleware]
-                                   )  # type: web.Application
-
-        portal_prefix = "/portal/{mxid:![^/]+}"
-        self.app.router.add_route("GET", f"{portal_prefix}", self.get_portal_by_mxid)
-        self.app.router.add_route("GET", "/portal/{tgid:-[0-9]+}", self.get_portal_by_tgid)
-        self.app.router.add_route("POST", portal_prefix + "/connect/{chat_id:-[0-9]+}",
-                                  self.connect_chat)
-        self.app.router.add_route("POST", f"{portal_prefix}/create", self.create_chat)
-        self.app.router.add_route("POST", f"{portal_prefix}/disconnect", self.disconnect_chat)
-
-        user_prefix = "/user/{mxid:@[^:]*:[^/]+}"
-        self.app.router.add_route("GET", f"{user_prefix}", self.get_user_info)
-        self.app.router.add_route("GET", f"{user_prefix}/chats", self.get_chats)
-
-        self.app.router.add_route("POST", f"{user_prefix}/logout", self.logout)
-        self.app.router.add_route("POST", f"{user_prefix}/login/bot_token", self.send_bot_token)
-        self.app.router.add_route("POST", f"{user_prefix}/login/request_code", self.request_code)
-        self.app.router.add_route("POST", f"{user_prefix}/login/send_code", self.send_code)
-        self.app.router.add_route("POST", f"{user_prefix}/login/send_password", self.send_password)
-
-        self.app.router.add_route("GET", "/bridge", self.bridge_info)
-
-    async def get_portal_by_mxid(self, request: web.Request) -> web.Response:
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        mxid = request.match_info["mxid"]
-        portal = Portal.get_by_mxid(mxid)
-        if not portal:
-            return self.get_error_response(404, "portal_not_found",
-                                           "Portal with given Matrix ID not found.")
-        user, _ = await self.get_user(request.query.get("user_id", None), expect_logged_in=None,
-                                      require_puppeting=False)
-        return web.json_response({
-            "mxid": portal.mxid,
-            "chat_id": get_peer_id(portal.peer),
-            "peer_type": portal.peer_type,
-            "title": portal.title,
-            "about": portal.about,
-            "username": portal.username,
-            "megagroup": portal.megagroup,
-            "can_unbridge": (await portal.can_user_perform(user, "unbridge")) if user else False,
-        })
-
-    async def get_portal_by_tgid(self, request: web.Request) -> web.Response:
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        try:
-            tgid, _ = resolve_id(int(request.match_info["tgid"]))
-        except ValueError:
-            return self.get_error_response(400, "tgid_invalid",
-                                           "Given chat ID is not valid.")
-        portal = Portal.get_by_tgid(tgid)
-        if not portal:
-            return self.get_error_response(404, "portal_not_found",
-                                           "Portal to given Telegram chat not found.")
-        user, _ = await self.get_user(request.query.get("user_id", None), expect_logged_in=None,
-                                      require_puppeting=False)
-        return web.json_response({
-            "mxid": portal.mxid,
-            "chat_id": get_peer_id(portal.peer),
-            "peer_type": portal.peer_type,
-            "title": portal.title,
-            "about": portal.about,
-            "username": portal.username,
-            "megagroup": portal.megagroup,
-            "can_unbridge": (await portal.can_user_perform(user, "unbridge")) if user else False,
-        })
-
-    async def connect_chat(self, request: web.Request) -> web.Response:
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        room_id = request.match_info["mxid"]
-        if Portal.get_by_mxid(room_id):
-            return self.get_error_response(409, "room_already_bridged",
-                                           "Room is already bridged to another Telegram chat.")
-
-        chat_id = request.match_info["chat_id"]
-        if chat_id.startswith("-100"):
-            tgid = TelegramID(int(chat_id[4:]))
-            peer_type = "channel"
-        elif chat_id.startswith("-"):
-            tgid = TelegramID(-int(chat_id))
-            peer_type = "chat"
-        else:
-            return self.get_error_response(400, "tgid_invalid", "Invalid Telegram chat ID.")
-
-        user, err = await self.get_user(request.query.get("user_id", None), expect_logged_in=None,
-                                        require_puppeting=False)
-        if err is not None:
-            return err
-        elif user and not await user_has_power_level(room_id, self.az.intent, user, "bridge"):
-            return self.get_error_response(403, "not_enough_permissions",
-                                           "You do not have the permissions to bridge that room.")
-
-        portal = Portal.get_by_tgid(tgid, peer_type=peer_type)
-        if portal.mxid == room_id:
-            return self.get_error_response(200, "bridge_exists",
-                                           "Telegram chat is already bridged to that Matrix room.")
-        elif portal.mxid:
-            force = request.query.get("force", None)
-            if force in ("delete", "unbridge"):
-                delete = force == "delete"
-                await portal.cleanup_room(portal.main_intent, portal.mxid, puppets_only=not delete,
-                                          message=("Portal deleted (moving to another room)"
-                                                   if delete
-                                                   else "Room unbridged (portal moving to another "
-                                                        "room)"))
-            else:
-                return self.get_error_response(409, "chat_already_bridged",
-                                               "Telegram chat is already bridged to another "
-                                               "Matrix room.")
-
-        is_logged_in = user is not None and await user.is_logged_in()
-        acting_user = user if is_logged_in else self.context.bot
-        if not acting_user:
-            return self.get_login_response(status=403, errcode="not_logged_in",
-                                           error="You are not logged in and there is no relay bot.")
-
-        entity = None  # type: Optional[TypeChat]
-        try:
-            entity = await acting_user.client.get_entity(portal.peer)
-        except Exception:
-            self.log.exception("Failed to get_entity(%s) for manual bridging.", portal.peer)
-
-        if not entity or isinstance(entity, (ChatForbidden, ChannelForbidden)):
-            if is_logged_in:
-                return self.get_error_response(403, "user_not_in_chat",
-                                               "Failed to get info of Telegram chat. "
-                                               "Are you in the chat?")
-            return self.get_error_response(403, "bot_not_in_chat",
-                                           "Failed to get info of Telegram chat. "
-                                           "Is the relay bot in the chat?")
-
-        direct = False
-
-        portal.mxid = room_id
-        portal.title, portal.about, levels = await get_initial_state(self.az.intent, room_id)
-        portal.photo_id = ""
-        portal.save()
-
-        asyncio.ensure_future(portal.update_matrix_room(user, entity, direct, levels=levels),
-                              loop=self.loop)
-
-        return web.Response(status=202, body="{}")
-
-    async def create_chat(self, request: web.Request) -> web.Response:
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        data = await self.get_data(request)
-        if not data:
-            return self.get_error_response(400, "json_invalid", "Invalid JSON.")
-
-        room_id = request.match_info["mxid"]
-        if Portal.get_by_mxid(room_id):
-            return self.get_error_response(409, "room_already_bridged",
-                                           "Room is already bridged to another Telegram chat.")
-
-        user, err = await self.get_user(request.query.get("user_id", None), expect_logged_in=None,
-                                        require_puppeting=False)
-        if err is not None:
-            return err
-        elif not await user.is_logged_in() or user.is_bot:
-            return self.get_error_response(403, "not_logged_in_real_account",
-                                           "You are not logged in with a real account.")
-        elif not await user_has_power_level(room_id, self.az.intent, user, "bridge"):
-            return self.get_error_response(403, "not_enough_permissions",
-                                           "You do not have the permissions to bridge that room.")
-
-        try:
-            title, about, _ = await get_initial_state(self.az.intent, room_id)
-        except (MatrixRequestError, IntentError):
-            return self.get_error_response(403, "bot_not_in_room",
-                                           "The bridge bot is not in the given room.")
-
-        about = data.get("about", about)
-
-        title = data.get("title", title)
-        if len(title) == 0:
-            return self.get_error_response(400, "body_value_invalid", "Title can not be empty.")
-
-        type = data.get("type", "")
-        if type not in ("group", "chat", "supergroup", "channel"):
-            return self.get_error_response(400, "body_value_invalid",
-                                           "Given chat type is not valid.")
-
-        supergroup = type == "supergroup"
-        type = {
-            "supergroup": "channel",
-            "channel": "channel",
-            "chat": "chat",
-            "group": "chat",
-        }[type]
-
-        portal = Portal(tgid=None, mxid=room_id, title=title, about=about, peer_type=type)
-        try:
-            await portal.create_telegram_chat(user, supergroup=supergroup)
-        except ValueError as e:
-            portal.delete()
-            return self.get_error_response(500, "unknown_error", e.args[0])
-
-        return web.json_response({
-            "chat_id": portal.tgid,
-        }, status=201)
-
-    async def disconnect_chat(self, request: web.Request) -> web.Response:
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        portal = Portal.get_by_mxid(request.match_info["mxid"])
-        if not portal or not portal.tgid:
-            return self.get_error_response(404, "portal_not_found",
-                                           "Room is not a portal.")
-
-        user, err = await self.get_user(request.query.get("user_id", None), expect_logged_in=None,
-                                        require_puppeting=False, require_user=False)
-        if err is not None:
-            return err
-        elif user and not await user_has_power_level(portal.mxid, self.az.intent, user, "unbridge"):
-            return self.get_error_response(403, "not_enough_permissions",
-                                           "You do not have the permissions to unbridge that room.")
-
-        delete = request.query.get("delete", "").lower() in ("true", "t", "1", "yes", "y")
-        sync = request.query.get("delete", "").lower() in ("true", "t", "1", "yes", "y")
-
-        coro = portal.cleanup_and_delete() if delete else portal.unbridge()
-        if sync:
-            try:
-                await coro
-            except Exception:
-                self.log.exception("Failed to disconnect chat")
-                return self.get_error_response(500, "exception", "Failed to disconnect chat")
-        else:
-            asyncio.ensure_future(coro, loop=self.loop)
-        return web.json_response({}, status=200 if sync else 202)
-
-    async def get_user_info(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request, expect_logged_in=None,
-                                                           require_puppeting=False)
-        if err is not None:
-            return err
-
-        user_data = None
-        if await user.is_logged_in():
-            me = await user.client.get_me()
-            await user.update_info(me)
-            user_data = {
-                "id": user.tgid,
-                "username": user.username,
-                "first_name": me.first_name,
-                "last_name": me.last_name,
-                "phone": me.phone,
-                "is_bot": user.is_bot,
-            }
-        return web.json_response({
-            "telegram": user_data,
-            "mxid": user.mxid,
-            "permissions": user.permissions,
-        })
-
-    async def get_chats(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request, expect_logged_in=True)
-        if err is not None:
-            return err
-
-        if not user.is_bot:
-            chats = await user.get_dialogs()
-            return web.json_response([{
-                "id": get_peer_id(chat),
-                "title": chat.title,
-            } for chat in chats])
-        else:
-            return web.json_response([{
-                "id": get_peer_id(chat.peer),
-                "title": chat.title,
-            } for chat in user.portals.values() if chat.tgid])
-
-    async def send_bot_token(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request)
-        if err is not None:
-            return err
-        return await self.post_login_token(user, data.get("token", ""))
-
-    async def request_code(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request)
-        if err is not None:
-            return err
-        return await self.post_login_phone(user, data.get("phone", ""))
-
-    async def send_code(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request)
-        if err is not None:
-            return err
-        return await self.post_login_code(user, data.get("code", 0), password_in_data=False)
-
-    async def send_password(self, request: web.Request) -> web.Response:
-        data, user, err = await self.get_user_request_info(request)
-        if err is not None:
-            return err
-        return await self.post_login_password(user, data.get("password", ""))
-
-    async def logout(self, request: web.Request) -> web.Response:
-        _, user, err = await self.get_user_request_info(request, expect_logged_in=True,
-                                                        require_puppeting=False,
-                                                        want_data=False)
-        if err is not None:
-            return err
-        await user.log_out()
-
-    async def bridge_info(self, request: web.Request) -> web.Response:
-        return web.json_response({
-            "relaybot_username": self.context.bot.username,
-        }, status=200)
-
-    @staticmethod
-    async def error_middleware(_, handler: Callable[[web.Request], Awaitable[web.Response]]
-                               ) -> Callable[[web.Request], Awaitable[web.Response]]:
-        async def middleware_handler(request: web.Request) -> web.Response:
-            try:
-                return await handler(request)
-            except web.HTTPException as ex:
-                return web.json_response({
-                    "error": f"Unhandled HTTP {ex.status}",
-                    "errcode": f"unhandled_http_{ex.status}",
-                }, status=ex.status)
-
-        return middleware_handler
-
-    @staticmethod
-    def get_error_response(status=200, errcode="", error="") -> web.Response:
-        return web.json_response({
-            "error": error,
-            "errcode": errcode,
-        }, status=status)
-
-    def get_mx_login_response(self, status=200, state="", username="", phone="", human_tg_id="",
-                              mxid="", message="", error="", errcode=""):
-        raise NotImplementedError()
-
-    def get_login_response(self, status=200, state="", username="", phone: str = "",
-                           human_tg_id: str = "", mxid="", message="", error="", errcode=""
-                           ) -> web.Response:
-        if username or phone:
-            resp = {
-                "state": "logged-in",
-                "username": username,
-                "phone": phone,
-            }
-        elif message:
-            resp = {
-                "state": state,
-                "message": message,
-            }
-        else:
-            resp = {
-                "error": error,
-                "errcode": errcode,
-            }
-            if state:
-                resp["state"] = state
-        return web.json_response(resp, status=status)
-
-    def check_authorization(self, request: web.Request) -> Optional[web.Response]:
-        auth = request.headers.get("Authorization", "")
-        if auth != f"Bearer {self.secret}":
-            return self.get_error_response(error="Shared secret is not valid.",
-                                           errcode="shared_secret_invalid",
-                                           status=401)
-        return None
-
-    @staticmethod
-    async def get_data(request: web.Request) -> Optional[dict]:
-        try:
-            return await request.json()
-        except json.JSONDecodeError:
-            return None
-
-    async def get_user(self, mxid: MatrixUserID, expect_logged_in: Optional[bool] = False,
-                       require_puppeting: bool = True, require_user: bool = True
-                       ) -> Tuple[Optional[User], Optional[web.Response]]:
-        if not mxid:
-            if not require_user:
-                return None, None
-            return None, self.get_login_response(error="User ID not given.",
-                                                 errcode="mxid_empty", status=400)
-
-        user = await User.get_by_mxid(mxid).ensure_started(even_if_no_session=True)
-        if require_puppeting and not user.puppet_whitelisted:
-            return user, self.get_login_response(error="You are not whitelisted.",
-                                                 errcode="mxid_not_whitelisted", status=403)
-        if expect_logged_in is not None:
-            logged_in = await user.is_logged_in()
-            if not expect_logged_in and logged_in:
-                return user, self.get_login_response(username=user.username, phone=user.phone,
-                                                     status=409,
-                                                     error="You are already logged in.",
-                                                     errcode="already_logged_in")
-            elif expect_logged_in and not logged_in:
-                return user, self.get_login_response(status=403, error="You are not logged in.",
-                                                     errcode="not_logged_in")
-        return user, None
-
-    async def get_user_request_info(self, request: web.Request,
-                                    expect_logged_in: Optional[bool] = False,
-                                    require_puppeting: bool = False,
-                                    want_data: bool = True,
-                                    ) -> (Tuple[Optional[Dict],
-                                                Optional[User],
-                                                Optional[web.Response]]):
-        err = self.check_authorization(request)
-        if err is not None:
-            return err
-
-        data = None
-        if want_data and (request.method == "POST" or request.method == "PUT"):
-            data = await self.get_data(request)
-            if not data:
-                return None, None, self.get_login_response(error="Invalid JSON.",
-                                                           errcode="json_invalid", status=400)
-
-        mxid = request.match_info["mxid"]
-        user, err = await self.get_user(mxid, expect_logged_in, require_puppeting)
-
-        return data, user, err
@@ -1,895 +0,0 @@
-swagger: "2.0"
-
-info:
-  title: Mautrix-Telegram provisioning
-  version: 0.3.0
-  description: The provisioning API for Mautrix-Telegram, the Matrix-Telegram puppeting/relaybot bridge.
-  license:
-    name: AGPLv3
-    url: https://github.com/tulir/mautrix-telegram/blob/master/LICENSE
-
-externalDocs:
-  description: Provisioning API wiki page on GitHub
-  url: https://github.com/tulir/mautrix-telegram/wiki/Provisioning-API
-
-basePath: /_matrix/provision/v1
-
-schemes: [https]
-consumes: [application/json]
-produces: [application/json]
-
-tags:
- name: User info
- name: Authentication
- name: Bridging
- name: Misc
-
-paths:
-  /bridge:
-    get:
-      operationId: get_bridge
-      summary: Get the bridge's information
-      tags: [Misc]
-      responses:
-        200:
-          description: The bridge information
-          schema:
-            type: object
-            properties:
-              relaybot_username:
-                type: string
-                description: The relay bot's username on Telegram
-  /portal/{room_id}:
-    get:
-      operationId: get_portal
-      summary: Get the bridging status and info of the connected Telegram chat
-      tags: [Bridging]
-      responses:
-        200:
-          description: Room is bridged
-          schema:
-            $ref: "#/definitions/PortalInfo"
-        400:
-          $ref: "#/responses/BadRequest"
-        404:
-          description: Unknown portal
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - portal_not_found
-              error:
-                $ref: "#/definitions/HumanReadableError"
-      parameters:
-        - name: room_id
-          in: path
-          description: The Matrix ID of the room whose bridging status to get
-          required: true
-          type: string
-          pattern: "![^/]+"
-        - name: user_id
-          in: query
-          description: Optional Matrix user ID to check if the user has permissions to do bridging.
-          required: false
-          type: string
-  /portal/{chat_id}:
-    get:
-      operationId: get_portal_by_tgid
-      summary: Get the bridging status and info of the connected Telegram chat
-      tags: [Bridging]
-      responses:
-        200:
-          description: Chat is bridged
-          schema:
-            $ref: "#/definitions/PortalInfo"
-        400:
-          description: Invalid Telegram chat ID
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - tgid_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        404:
-          description: Unknown portal
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - portal_not_found
-              error:
-                $ref: "#/definitions/HumanReadableError"
-      parameters:
-        - name: chat_id
-          in: path
-          description: The Matrix ID of the room whose bridging status to get
-          required: true
-          type: integer
-          pattern: "-[0-9]+"
-        - name: user_id
-          in: query
-          description: Optional Matrix user ID to check if the user has permissions to do bridging.
-          required: false
-          type: string
-  /portal/{room_id}/connect/{chat_id}:
-    post:
-      operationId: connect_portal
-      summary: Connect an existing Telegram chat to the given room
-      tags: [Bridging]
-      parameters:
-        - name: room_id
-          in: path
-          description: The Matrix ID of the room to which the Telegram chat should be connected
-          required: true
-          type: string
-        - name: chat_id
-          in: path
-          description: The ID of the Telegram chat to connect
-          required: true
-          type: integer
-          pattern: "-[0-9]+"
-        - name: force
-          in: query
-          description: Set to force bridging by unbridging or deleting existing portal rooms.
-          required: false
-          type: string
-          enum:
-          - delete
-          - unbridge
-        - name: user_id
-          in: query
-          description: Optional Matrix user ID to check if the user has permissions to do the bridging.
-          required: false
-          type: string
-      responses:
-        200:
-          description: Telegram chat was already bridged to given room.
-        202:
-          description: Room bridging initiated
-        400:
-          $ref: "#/responses/BadRequest"
-        403:
-          description: "Given user doesn't have permission to bridge the room, or the bridge bot is not in the room"
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - not_enough_permissions
-                - bot_not_in_room
-                - bot_not_in_chat
-                - not_logged_in
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        409:
-          description: Matrix room or Telegram chat is already bridged to another chat/room
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: <room|chat>_already_bridged
-                enum:
-                - room_already_bridged
-                - chat_already_bridged
-              error:
-                $ref: "#/definitions/HumanReadableError"
-  /portal/{room_id}/create:
-    post:
-      operationId: create_portal
-      summary: Create a new Telegram chat for the given room
-      tags: [Bridging]
-      responses:
-        201:
-          description: Telegram chat created
-          schema:
-            type: object
-            properties:
-              chat_id:
-                type: integer
-        400:
-          $ref: "#/responses/BadRequest"
-        403:
-          description: "Given user isn't logged in with a real account or doesn't have permission to bridge the room, or the bridge bot is not in the room"
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - not_logged_in_real_account
-                - not_enough_permissions
-                - bot_not_in_room
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        409:
-          description: Room is already bridged
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - room_already_bridged
-              error:
-                $ref: "#/definitions/HumanReadableError"
-      parameters:
-        - name: room_id
-          in: path
-          description: The Matrix ID of the room whose bridging status to get
-          required: true
-          type: string
-        - name: body
-          in: body
-          required: true
-          schema:
-            type: object
-            required: [type]
-            properties:
-              type:
-                description: The type of chat to create
-                type: string
-                example: supergroup
-                enum:
-                - chat
-                - supergroup
-                - channel
-              title:
-                description: Title for the new chat
-                type: string
-                example: Mautrix-Telegram Bridge
-              about:
-                description: About text for the new chat
-                type: string
-                example: Discussion about mautrix-telegram
-        - name: user_id
-          in: query
-          description: Matrix user to create the chat as.
-          required: true
-          type: string
-  /portal/{room_id}/disconnect:
-    post:
-      operationId: disconnect_portal
-      summary: Disconnect the Telegram chat from the room
-      tags: [Bridging]
-      responses:
-        202:
-          description: Room unbridging initiated
-        400:
-          $ref: "#/responses/BadRequest"
-        403:
-          $ref: "#/responses/PermissionError"
-        404:
-          description: Unknown portal
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - portal_not_found
-              error:
-                $ref: "#/definitions/HumanReadableError"
-      parameters:
-        - name: room_id
-          in: path
-          description: The Matrix ID of the room whose bridging status to get
-          required: true
-          type: string
-        - name: user_id
-          in: query
-          description: Optional Matrix user ID to check if the user has permissions to do the bridging.
-          required: false
-          type: string
-        - name: delete
-          in: query
-          description: Whether or not to delete the room completely (kick all users instead of just Telegram puppets)
-          required: false
-          type: boolean
-          default: false
-        - name: sync
-          in: query
-          description: Whether or not to wait for the unbridging to be completed before responding. **Could cause timeouts in large rooms**
-          required: false
-          type: boolean
-          default: false
-
-  /user/{user_id}:
-    get:
-      operationId: get_me
-      summary: Get the info of the Telegram user the given Matrix user is logged in as
-      tags: [User info]
-      responses:
-        200:
-          description: User found
-          schema:
-            $ref: "#/definitions/UserInfo"
-        400:
-          $ref: "#/responses/BadRequest"
-        403:
-          $ref: "#/responses/NotWhitelistedError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-  /user/{user_id}/chats:
-    get:
-      operationId: get_chats
-      summary: Get the list of Telegram chats the given Matrix user has access to
-      tags: [User info]
-      responses:
-        200:
-          description: User is logged in
-          schema:
-            $ref: "#/definitions/UserChats"
-        400:
-          $ref: "#/responses/BadRequest"
-        403:
-          description: User is not logged in or not whitelisted
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - not_logged_in
-                - mxid_not_whitelisted
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-
-  /user/{user_id}/login/bot_token:
-    post:
-      operationId: post_bot_token
-      summary: Log in with a bot token
-      tags: [Authentication]
-      responses:
-        200:
-          description: Login successful
-          schema:
-            $ref: "#/definitions/AuthSuccess"
-        400:
-          $ref: "#/responses/BadRequest"
-        401:
-          description: Invalid or expired bot token or invalid shared secret
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: bot_token_<error>
-                enum:
-                - bot_token_invalid
-                - bot_token_expired
-                - shared_secret_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        403:
-          $ref: "#/responses/NotWhitelistedError"
-        409:
-          $ref: "#/responses/AlreadyLoggedInError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-        - name: body
-          in: body
-          required: true
-          schema:
-            type: object
-            properties:
-              token:
-                type: string
-                description: The access token of the bot to log in as
-                example: "297900271:IXjeGEcAN61zHnjPgkWnYWyvVp9K4ulHBEv"
-  /user/{user_id}/login/request_code:
-    post:
-      operationId: post_login_phone
-      summary: Request a phone code from Telegram
-      tags: [Authentication]
-      responses:
-        200:
-          description: Code requested successfully
-          schema:
-            $ref: "#/definitions/AuthSuccess"
-        400:
-          description: Invalid phone number or JSON
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: machine_readable_error
-                enum:
-                - phone_number_invalid
-                - json_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        401:
-          description: Invalid shared secret
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - shared_secret_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        403:
-          description: Matrix ID is not whitelisted or phone number is banned or has forbidden 3rd party apps
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: machine_readable_error
-                enum:
-                - mxid_not_whitelisted
-                - phone_number_banned
-                - phone_number_app_signup_forbidden
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        404:
-          description: Unregistered phone number
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - phone_number_unoccupied
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        409:
-          $ref: "#/responses/AlreadyLoggedInError"
-        429:
-          description: Phone number has been temporarily blocked for flooding
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - flood_wait
-                - phone_number_flood
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-        - name: body
-          in: body
-          required: true
-          schema:
-            type: object
-            properties:
-              phone:
-                type: string
-                description: The phone number to log in as.
-                example: "+123456789"
-  /user/{user_id}/login/send_code:
-    post:
-      operationId: post_login_code
-      summary: Send the login code
-      tags: [Authentication]
-      responses:
-        200:
-          description: Login successful
-          schema:
-            $ref: "#/definitions/AuthSuccess"
-        202:
-          description: Correct code, but two-factor authentication is enabled
-          schema:
-            $ref: "#/definitions/AuthSuccess"
-        400:
-          $ref: "#/responses/BadRequest"
-        401:
-          description: Invalid phone code or shared secret
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - phone_code_invalid
-                - shared_secret_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        403:
-          description: Matrix ID not whitelisted or phone code expired
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: machine_readable_error
-                enum:
-                - mxid_not_whitelisted
-                - phone_code_expired
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        409:
-          $ref: "#/responses/AlreadyLoggedInError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-        - name: body
-          in: body
-          required: true
-          schema:
-            type: object
-            properties:
-              code:
-                type: integer
-                description: The phone code from Telegram.
-                format: int32
-                example: 123456
-  /user/{user_id}/login/send_password:
-    post:
-      operationId: post_login_password
-      summary: Send the two-factor auth password
-      tags: [Authentication]
-      responses:
-        200:
-          description: Login successful
-          schema:
-            $ref: "#/definitions/AuthSuccess"
-        400:
-          description: Missing password or invalid JSON
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                example: <field>_empty
-                enum:
-                - password_empty
-                - json_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        401:
-          description: Incorrect password or invalid shared secret
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - password_invalid
-                - shared_secret_invalid
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        403:
-          $ref: "#/responses/NotWhitelistedError"
-        409:
-          $ref: "#/responses/AlreadyLoggedInError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log in as
-          required: true
-          type: string
-        - name: body
-          in: body
-          required: true
-          schema:
-            type: object
-            properties:
-              password:
-                type: string
-                description: The two-factor auth password
-                format: password
-                example: hunter2
-  /user/{user_id}/logout:
-    post:
-      operationId: logout
-      summary: Log out
-      tags: [Authentication]
-      responses:
-        200:
-          description: Logout successful
-        403:
-          description: User was not logged in
-          schema:
-            type: object
-            title: Error
-            properties:
-              errcode:
-                type: string
-                title: Error code
-                description: A machine-readable error code
-                enum:
-                - not_logged_in
-              error:
-                $ref: "#/definitions/HumanReadableError"
-        500:
-          $ref: "#/responses/UnknownError"
-      parameters:
-        - name: user_id
-          in: path
-          description: The Matrix ID of the user who to log out as
-          required: true
-          type: string
-
-responses:
-  NotWhitelistedError:
-    description: Matrix ID not whitelisted for puppeting
-    schema:
-      type: object
-      title: Error
-      properties:
-        errcode:
-          type: string
-          title: Error code
-          description: A machine-readable error code
-          enum:
-          - mxid_not_whitelisted
-        error:
-          $ref: "#/definitions/HumanReadableError"
-  AlreadyLoggedInError:
-    description: The Matrix user is already logged in
-    schema:
-      type: object
-      properties:
-        state:
-          type: string
-          enum:
-          - logged-in
-        username:
-          type: string
-          description: The Telegram username the user is logged in as.
-        phone:
-          type: string
-          description: The phone number of the account the user is logged into.
-  BadRequest:
-    description: Invalid JSON.
-    schema:
-      type: object
-      title: Error
-      properties:
-        errcode:
-          type: string
-          title: Error code
-          description: A machine-readable error code
-          enum:
-          - json_invalid
-          - mxid_empty
-          - body_value_missing
-          - body_value_invalid
-        error:
-          $ref: "#/definitions/HumanReadableError"
-  UnknownError:
-    description: Unknown error
-    schema:
-      type: object
-      title: UnknownError
-      properties:
-        errcode:
-          type: string
-          title: Error code
-          description: A machine-readable error code
-          enum:
-          - unknown_error
-          - unhandled_error
-        error:
-          type: string
-          title: Error
-          description: A human-readable description of the error
-          example: Internal server error while <action>.
-  PermissionError:
-    description: The given Matrix user doesn't have the permissions to do that.
-    schema:
-      type: object
-      title: Error
-      properties:
-        errcode:
-          type: string
-          title: Error code
-          description: A machine-readable error code
-          example: not_enough_permissions
-          enum:
-          - not_enough_permissions
-        error:
-          $ref: "#/definitions/HumanReadableError"
-
-definitions:
-  UserInfo:
-    type: object
-    properties:
-      mxid:
-        type: string
-        example: "@usern:example.com"
-      permissions:
-        type: string
-        example: user
-        enum:
-        - none
-        - relaybot
-        - user
-        - full
-        - admin
-      telegram:
-        type: object
-        properties:
-          id:
-            type: integer
-            example: 123456789
-          username:
-            type: string
-            example: username
-          first_name:
-            type: string
-            example: Usern
-          last_name:
-            type: string
-            example: A.
-          phone:
-            type: string
-            example: 123456789
-          is_bot:
-            type: boolean
-            example: false
-  UserChats:
-    type: array
-    items:
-      type: object
-      properties:
-        id:
-          type: integer
-          example: -123456789
-          description: A bot API style chat ID.
-        title:
-          type: string
-
-  PortalInfo:
-    type: object
-    properties:
-      mxid:
-        type: string
-        example: "!foo:example.com"
-      chat_id:
-        type: integer
-        example: -100123456789
-      peer_type:
-        type: string
-        enum:
-        - user
-        - chat
-        - channel
-      megagroup:
-        type: boolean
-      username:
-        type: string
-      title:
-        type: string
-      about:
-        type: string
-      can_unbridge:
-        type: boolean
-        description: If a user ID was provided with the request, this will indicate whether or not the user can unbridge the room.
-
-  AuthSuccess:
-    type: object
-    properties:
-      state:
-        type: string
-        description: The state/next step after the successful operation.
-        enum:
-        - code
-        - request
-        - password
-        - token
-        - logged-in
-      username:
-        type: string
-        description: The Telegram username the user is logged in as. Only applicable if state=logged-in
-      phone:
-        type: string
-        description: The phone number of the account the user logged into. Only applicable if state=logged-in
-
-  HumanReadableError:
-    type: string
-    description: A human-readable description of the error
-    example: A human-readable description of the error
-
-security:
-  - Bearer: []
-securityDefinitions:
-  Bearer:
-    description: Required authentication for all endpoints
-    name: Authorization
-    in: header
-    type: apiKey
@@ -1,179 +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
-from aiohttp import web
-from mako.template import Template
-import pkg_resources
-import asyncio
-import logging
-import random
-import string
-import time
-
-from ...types import MatrixUserID
-from ...util import sign_token, verify_token
-from ...user import User
-from ...puppet import Puppet
-from ..common import AuthAPI
-
-
-class PublicBridgeWebsite(AuthAPI):
-    log = logging.getLogger("mau.web.public")  # type: logging.Logger
-
-    def __init__(self, loop: asyncio.AbstractEventLoop):
-        super().__init__(loop)
-        self.secret_key = "".join(
-            random.choice(string.ascii_lowercase + string.digits) for _ in range(64))  # type: str
-
-        self.login = Template(pkg_resources.resource_string(
-            "mautrix_telegram", "web/public/login.html.mako"))  # type: Template
-
-        self.mx_login = Template(pkg_resources.resource_string(
-            "mautrix_telegram", "web/public/matrix-login.html.mako"))  # type: Template
-
-        self.app = web.Application(loop=loop)  # type: web.Application
-        self.app.router.add_route("GET", "/login", self.get_login)
-        self.app.router.add_route("POST", "/login", self.post_login)
-        self.app.router.add_route("GET", "/matrix-login", self.get_matrix_login)
-        self.app.router.add_route("POST", "/matrix-login", self.post_matrix_login)
-        self.app.router.add_static("/", pkg_resources.resource_filename("mautrix_telegram",
-                                                                        "web/public/"))
-
-    def make_token(self, mxid: str, endpoint: str = "/login", expires_in: int = 900) -> str:
-        return sign_token(self.secret_key, {
-            "mxid": mxid,
-            "endpoint": endpoint,
-            "expiry": int(time.time()) + expires_in,
-        })
-
-    def verify_token(self, token: str, endpoint: str = "/login") -> Optional[MatrixUserID]:
-        token = verify_token(self.secret_key, token)
-        if token and (token.get("expiry", 0) > int(time.time()) and
-                      token.get("endpoint", None) == endpoint):
-            return MatrixUserID(token.get("mxid", None))
-        return None
-
-    async def get_login(self, request: web.Request) -> web.Response:
-        state = "bot_token" if request.rel_url.query.get("mode", "") == "bot" else "request"
-
-        mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/login")
-        if not mxid:
-            return self.get_login_response(status=401, state="invalid-token")
-        user = User.get_by_mxid(mxid, create=False) if mxid else None
-
-        if not user:
-            return self.get_login_response(mxid=mxid, state=state)
-        elif not user.puppet_whitelisted:
-            return self.get_login_response(mxid=user.mxid, error="You are not whitelisted.",
-                                           status=403)
-        await user.ensure_started()
-        if not await user.is_logged_in():
-            return self.get_login_response(mxid=user.mxid, state=state)
-
-        return self.get_login_response(mxid=user.mxid, human_tg_id=user.human_tg_id)
-
-    async def get_matrix_login(self, request: web.Request) -> web.Response:
-        mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/matrix-login")
-        if not mxid:
-            return self.get_mx_login_response(status=401, state="invalid-token")
-        user = User.get_by_mxid(mxid, create=False) if mxid else None
-
-        if not user:
-            return self.get_mx_login_response(mxid=mxid)
-        elif not user.puppet_whitelisted:
-            return self.get_mx_login_response(mxid=user.mxid, error="You are not whitelisted.",
-                                              status=403)
-        await user.ensure_started()
-        if not await user.is_logged_in():
-            return self.get_mx_login_response(mxid=user.mxid, status=403,
-                                              error="You are not logged in to Telegram.")
-
-        puppet = Puppet.get(user.tgid)
-        if puppet.is_real_user:
-            return self.get_mx_login_response(state="already-logged-in", status=409)
-
-        return self.get_mx_login_response(mxid=user.mxid)
-
-    def get_login_response(self, status: int = 200, state: str = "", username: str = "",
-                           phone: str = "", human_tg_id: str = "", mxid: str = "",
-                           message: str = "", error: str = "", errcode: str = "") -> web.Response:
-        return web.Response(status=status, content_type="text/html",
-                            text=self.login.render(human_tg_id=human_tg_id, state=state,
-                                                   error=error, message=message, mxid=mxid))
-
-    def get_mx_login_response(self, status: int = 200, state: str = "", username: str = "",
-                              phone: str = "", human_tg_id: str = "", mxid: str = "",
-                              message: str = "", error: str = "", errcode: str = ""
-                              ) -> web.Response:
-        return web.Response(status=status, content_type="text/html",
-                            text=self.mx_login.render(human_tg_id=human_tg_id, state=state,
-                                                      error=error, message=message, mxid=mxid))
-
-    async def post_matrix_login(self, request: web.Request) -> web.Response:
-        mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/matrix-login")
-        if not mxid:
-            return self.get_mx_login_response(status=401, state="invalid-token")
-
-        data = await request.post()
-
-        user = await User.get_by_mxid(mxid).ensure_started()
-        if not user.puppet_whitelisted:
-            return self.get_mx_login_response(mxid=user.mxid, error="You are not whitelisted.",
-                                              status=403)
-        elif not await user.is_logged_in():
-            return self.get_mx_login_response(mxid=user.mxid, status=403,
-                                              error="You are not logged in to Telegram.")
-        mode = data.get("mode", "access_token")
-        if mode == "password":
-            return await self.post_matrix_password(user, data["value"])
-        elif mode == "access_token":
-            return await self.post_matrix_token(user, data["value"])
-        return self.get_mx_login_response(mxid=user.mxid, status=400,
-                                          error="You must provide an access token or "
-                                                "password.")
-
-    async def post_login(self, request: web.Request) -> web.Response:
-        mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/login")
-        if not mxid:
-            return self.get_login_response(status=401, state="invalid-token")
-
-        data = await request.post()
-
-        user = await User.get_by_mxid(mxid).ensure_started(even_if_no_session=True)
-        if not user.puppet_whitelisted:
-            return self.get_login_response(mxid=user.mxid, error="You are not whitelisted.",
-                                           status=403)
-        elif await user.is_logged_in():
-            return self.get_login_response(mxid=user.mxid, human_tg_id=user.human_tg_id)
-
-        await user.ensure_started(even_if_no_session=True)
-
-        if "phone" in data:
-            return await self.post_login_phone(user, data["phone"])
-        elif "bot_token" in data:
-            return await self.post_login_token(user, data["bot_token"])
-        elif "code" in data:
-            resp = await self.post_login_code(user, data["code"],
-                                              password_in_data="password" in data)
-            if resp or "password" not in data:
-                return resp
-        elif "password" not in data:
-            return self.get_login_response(error="No data given.", status=400)
-
-        if "password" in data:
-            return await self.post_login_password(user, data["password"])
-        return self.get_login_response(error="This should never happen.", status=500)
@@ -1,99 +0,0 @@
-/*
- * 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/>.
- */
-form > div {
-	display: none;
-}
-
-form[data-status="request"] > div.status-request,
-form[data-status="code"] > div.status-code,
-form[data-status="password"] > div.status-password {
-	display: initial;
-}
-
-.container {
-	margin-top: 3rem;
-	max-width: 60rem;
-}
-
-.error, .message {
-	border-radius: .25rem;
-	padding: .5rem 1rem;
-	border: 1px solid transparent;
-	margin: .5rem 0;
-}
-
-.error {
-	border-color: #f5c6cb;
-	background-color: #f8d7da;
-	color: #721c24;
-}
-
-.message {
-	border-color: #c3e6cb;
-	background-color: #d4edda;
-	color: #155724;
-}
-
-[type="checkbox"], [type="radio"] {
-	position: absolute;
-	opacity: 0;
-}
-
-[type="checkbox"] + label, [type="radio"] + label {
-	position: relative;
-	padding-left: 2.5rem;
-	cursor: pointer;
-	display: inline-block;
-}
-
-[type="checkbox"] + label:before, [type="radio"] + label:before {
-	content: '';
-	position: absolute;
-	left: 0;
-	top: 0.4rem;
-	width: 1.8rem;
-	height: 1.8rem;
-	border: 0.1rem solid #d1d1d1;
-}
-
-[type="radio"] + label:before, [type="radio"] + label:after {
-	border-radius: 50%;
-}
-
-[type="checkbox"]:checked + label:after,
-[type="radio"]:checked + label:after {
-	content: '';
-	width: 0.8rem;
-	height: 0.8rem;
-	background: #9b4dca;
-	position: absolute;
-	top: 0.9rem;
-	left: 0.5rem;
-}
-
-[type="radio"]:disabled + label:before, [type="checkbox"]:disabled + label:before {
-	background-color: #d1d1d1;
-}
-
-[type="radio"]:disabled + label, [type="checkbox"]:disabled + label {
-	color: #d1d1d1;
-}
-
-[type="radio"]:disabled:checked + label:after, [type="checkbox"]:disabled:checked + label:after {
-	background: #606c76;
-}
@@ -1,127 +0,0 @@
-<!--
-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/>.
-->
-<!DOCTYPE html>
-<html>
-<head>
-	<title>Login - Mautrix-Telegram bridge</title>
-	<link rel="icon" type="image/png" href="favicon.png"/>
-	<meta property="og:title" content="Login - Mautrix-Telegram bridge">
-	<meta property="og:description" content="A hybrid puppeting/relaybot Matrix-Telegram bridge">
-	<meta property="og:image" content="favicon.png">
-	<meta charset="utf-8">
-	<link rel="stylesheet" href="//fonts.googleapis.com/css?family=Roboto:300,700">
-	<link rel="stylesheet" href="//cdn.rawgit.com/necolas/normalize.css/master/normalize.css">
-	<link rel="stylesheet"
-		  href="//cdn.rawgit.com/milligram/milligram/master/dist/milligram.min.css">
-	<link rel="stylesheet" href="login.css"/>
-
-	<script>
-		function switchToBotLogin() {
-			const params = new URLSearchParams(location.search.slice(1))
-			params.set("mode", "bot")
-			location.search = "?" + params.toString()
-			console.log(location.search)
-		}
-
-		function goBack() {
-			let params = new URLSearchParams(location.search.slice(1))
-			const token = params.get("token")
-			params = new URLSearchParams()
-			if (token) {
-				params.set("token", token)
-			}
-			location.replace(location.href.split("?")[0] + "?" + params.toString())
-		}
-	</script>
-</head>
-<body>
-<main class="container">
-	% if human_tg_id:
-		% if state == "logged-in":
-			<h1>Logged in successfully!</h1>
-			<p>
-				Logged in as ${human_tg_id}.
-				You can now close this page.
-				You should be invited to Telegram portals on Matrix momentarily.
-			</p>
-		% elif state == "bot-logged-in":
-			<h1>Logged in successfully!</h1>
-			<p>
-				Logged in as ${human_tg_id}.
-				You can now close this page.
-				You should be invited to Telegram portals on Matrix momentarily.
-			</p>
-		% else:
-			<h1>You're already logged in!</h1>
-			<p>
-				You're logged in as ${human_tg_id}.
-			</p>
-			<p>
-				If you want to log in with another account, log out using the <code>logout</code>
-				management command first.
-			</p>
-		% endif
-	% elif state == "invalid-token":
-		<h1>Invalid or expired token</h1>
-		<div class="error">Please ask the bridge bot for a new login link.</div>
-	% else:
-		<h1>Log in to Telegram</h1>
-	% if error:
-		<div class="error">${error}</div>
-	% endif
-	% if message:
-		<div class="message">${message}</div>
-	% endif
-		<form method="post">
-			<fieldset>
-				<label for="mxid">Matrix ID</label>
-				<input type="text" id="mxid" name="mxid" disabled value="${mxid}"/>
-				% if state == "request":
-					<label for="value">Phone number</label>
-					<input type="tel" id="value" name="phone" placeholder="Enter phone number"/>
-					<button type="submit">Request code</button>
-					<button class="button-clear" type="button" onclick="switchToBotLogin()">
-						Use bot token
-					</button>
-				% elif state == "bot_token":
-					<label for="value">Bot token</label>
-					<input type="text" id="value" name="bot_token" placeholder="Enter bot API token"/>
-					<button type="submit">Sign in</button>
-				% elif state == "code":
-					<label for="value">Phone code</label>
-					<input type="number" id="value" name="code" placeholder="Enter phone code"/>
-					<button type="submit">Sign in</button>
-				% elif state == "password":
-					<label for="value">Password</label>
-					<input type="password" id="value" name="password"
-						   placeholder="Enter password"/>
-					<button type="submit">Sign in</button>
-				% endif
-				% if state != "request":
-					<div class="float-right">
-						<button class="button-clear" type="button" onclick="goBack()">
-							Go back
-						</button>
-					</div>
-				% endif
-			</fieldset>
-		</form>
-	% endif
-</main>
-</body>
-</html>
@@ -1,78 +0,0 @@
-<!--
-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/>.
-->
-<!DOCTYPE html>
-<html>
-<head>
-	<title>Matrix login - Mautrix-Telegram bridge</title>
-	<link rel="icon" type="image/png" href="favicon.png"/>
-	<meta property="og:title" content="Matrix login - Mautrix-Telegram bridge">
-	<meta property="og:description" content="A hybrid puppeting/relaybot Matrix-Telegram bridge">
-	<meta property="og:image" content="favicon.png">
-	<meta charset="utf-8">
-	<link rel="stylesheet" href="//fonts.googleapis.com/css?family=Roboto:300,700">
-	<link rel="stylesheet" href="//cdn.rawgit.com/necolas/normalize.css/master/normalize.css">
-	<link rel="stylesheet"
-		  href="//cdn.rawgit.com/milligram/milligram/master/dist/milligram.min.css">
-	<link rel="stylesheet" href="login.css"/>
-</head>
-<body>
-<main class="container">
-	% if state == "logged-in":
-		<h1>Logged in successfully!</h1>
-		<p>
-			Logged in as ${mxid}.
-			You can now close this page.
-		</p>
-	% elif state == "already-logged-in":
-		<h1>You're already logged in!</h1>
-		<p>
-			If you want to log in with another account, log out using the
-			<code>logout-matrix</code> management command first.
-		</p>
-	% elif state == "invalid-token":
-		<h1>Invalid or expired token</h1>
-		<div class="error">Please ask the bridge bot for a new login link.</div>
-	% else:
-		<h1>Log in to Matrix</h1>
-	% if error:
-		<div class="error">${error}</div>
-	% endif
-	% if message:
-		<div class="message">${message}</div>
-	% endif
-		<form method="post">
-			<fieldset>
-				<label for="mxid">Matrix ID</label>
-				<input type="text" id="mxid" name="mxid" disabled value="${mxid}"/>
-
-				<input id="access_token" type="radio" name="mode" value="access_token" checked>
-				<label for="access_token">Access token</label><br>
-				<input id="password" type="radio" name="mode" value="password" disabled>
-				<label for="password">Password</label><br>
-
-				<label for="value">Value</label>
-				<input type="text" id="value" name="value"
-					   placeholder="Enter Matrix access token or password"/>
-
-				<button type="submit">Sign in</button>
-			</fieldset>
-		</form>
-	% endif
-</main>
-</body>
-</html>
@@ -1,4 +0,0 @@
-lxml
-cryptg
-Pillow
-moviepy
@@ -0,0 +1,373 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2025 Sumner Evans
+//
+// 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/>.
+
+package connector
+
+import (
+	"context"
+	"fmt"
+	"slices"
+	"sync"
+	"time"
+
+	"github.com/rs/zerolog"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/bridgev2/database"
+	"maunium.net/go/mautrix/bridgev2/networkid"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector/ids"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
+)
+
+var (
+	_ bridgev2.BackfillingNetworkAPI           = (*TelegramClient)(nil)
+	_ bridgev2.BackfillingNetworkAPIWithLimits = (*TelegramClient)(nil)
+)
+
+// getTakeoutID blocks until the takeout ID is available.
+func (tc *TelegramClient) getTakeoutID(ctx context.Context) (takeoutID int64, err error) {
+	// Always stop the takeout timeout timer
+	if tc.stopTakeoutTimer != nil {
+		tc.stopTakeoutTimer.Stop()
+	}
+	log := zerolog.Ctx(ctx).With().Str("function", "getTakeoutID").Logger()
+
+	if tc.metadata.TakeoutID != 0 {
+		// Resume fetching dialogs using takeout and enqueueing them for
+		// backfill.
+		go tc.takeoutDialogsOnce.Do(func() {
+			if err = tc.syncChats(ctx, takeoutID, false, false); err != nil {
+				log.Err(err).Msg("Failed to takeout dialogs")
+			}
+		})
+		return tc.metadata.TakeoutID, nil
+	}
+
+	tc.stopTakeoutTimer = time.AfterFunc(max(time.Hour, time.Duration(tc.main.Bridge.Config.Backfill.Queue.BatchDelay*2)), sync.OnceFunc(func() { tc.stopTakeout(ctx) }))
+
+	for {
+		tc.takeoutAccepted.Clear()
+
+		accountTakeout, err := tc.client.API().AccountInitTakeoutSession(ctx, &tg.AccountInitTakeoutSessionRequest{
+			MessageUsers:      true,
+			MessageChats:      true,
+			MessageMegagroups: true,
+			MessageChannels:   true,
+			Files:             true,
+			FileMaxSize:       min(tc.main.maxFileSize, 2000*1024*1024),
+		})
+		if rpcErr, ok := tgerr.As(err); ok && rpcErr.IsOneOf(tg.ErrTakeoutInitDelay) {
+			log.Warn().
+				Err(err).
+				Int("delay", rpcErr.Argument).
+				Msg("Takeout requested, will wait for retry request or delay")
+			tc.takeoutAccepted.WaitTimeout(time.Duration(rpcErr.Argument) * time.Second)
+			continue
+		} else if err != nil {
+			return 0, err
+		}
+
+		// Fetch all dialogs using takeout and enqueue them for backfill.
+		go tc.takeoutDialogsOnce.Do(func() {
+			if err = tc.syncChats(ctx, takeoutID, false, false); err != nil {
+				log.Err(err).Msg("Failed to takeout dialogs")
+			}
+		})
+
+		tc.metadata.TakeoutID = accountTakeout.ID
+		return accountTakeout.ID, tc.userLogin.Save(ctx)
+	}
+}
+
+func (tc *TelegramClient) stopTakeout(ctx context.Context) error {
+	tc.takeoutLock.Lock()
+	defer tc.takeoutLock.Unlock()
+
+	_, err := tc.client.API().AccountFinishTakeoutSession(ctx, &tg.AccountFinishTakeoutSessionRequest{Success: true})
+	if err != nil {
+		return err
+	}
+	tc.metadata.TakeoutID = 0
+	return tc.userLogin.Save(ctx)
+}
+
+func (tc *TelegramClient) FetchMessages(ctx context.Context, fetchParams bridgev2.FetchMessagesParams) (*bridgev2.FetchMessagesResponse, error) {
+	if tc.metadata.IsBot {
+		return nil, fmt.Errorf("bots cannot backfill messages")
+	}
+	log := zerolog.Ctx(ctx).With().Str("method", "FetchMessages").Logger()
+	ctx = log.WithContext(ctx)
+
+	var takeoutID int64
+	var err error
+	if (tc.main.Config.Takeout.ForwardBackfill && fetchParams.Forward) || (tc.main.Config.Takeout.BackwardBackfill && !fetchParams.Forward) {
+		tc.takeoutLock.Lock()
+		defer tc.takeoutLock.Unlock()
+		takeoutID, err = tc.getTakeoutID(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		if takeoutID != 0 {
+			defer func() {
+				if tc.stopTakeoutTimer == nil {
+					tc.stopTakeoutTimer = time.AfterFunc(max(time.Hour, time.Duration(tc.main.Bridge.Config.Backfill.Queue.BatchDelay*2)), sync.OnceFunc(func() { tc.stopTakeout(ctx) }))
+				} else {
+					tc.stopTakeoutTimer.Reset(max(time.Hour, time.Duration(tc.main.Bridge.Config.Backfill.Queue.BatchDelay*2)))
+				}
+			}()
+		}
+	}
+
+	peer, topicID, err := tc.inputPeerForPortalID(ctx, fetchParams.Portal.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	var minID, offsetID int
+	if fetchParams.AnchorMessage != nil {
+		if fetchParams.Forward {
+			_, minID, err = ids.ParseMessageID(fetchParams.AnchorMessage.ID)
+		} else {
+			_, offsetID, err = ids.ParseMessageID(fetchParams.AnchorMessage.ID)
+		}
+		if err != nil {
+			return nil, err
+		}
+	}
+	if fetchParams.Portal.Metadata.(*PortalMetadata).IsForumGeneral {
+		topicID = 1
+	}
+	if topicID == ids.TopicIDSpaceRoom {
+		return nil, nil
+	}
+	limit := fetchParams.Count
+	const chunkLimit = 100
+	makeReq := func() bin.Object {
+		if topicID > 0 {
+			return &tg.MessagesGetRepliesRequest{
+				Peer:     peer,
+				MsgID:    topicID,
+				Limit:    min(limit, chunkLimit),
+				MinID:    minID,
+				OffsetID: offsetID,
+			}
+		}
+		return &tg.MessagesGetHistoryRequest{
+			Peer:     peer,
+			Limit:    min(limit, chunkLimit),
+			MinID:    minID,
+			OffsetID: offsetID,
+		}
+	}
+	var messages []tg.MessageClass
+	requestCount := 0
+	for limit > 0 {
+		requestCount++
+		req := makeReq()
+		if takeoutID != 0 {
+			req = &tg.InvokeWithTakeoutRequest{TakeoutID: takeoutID, Query: req}
+		}
+		log.Info().Any("req", req).Msg("Fetching messages")
+		resp, err := APICallWithUpdates(ctx, tc, func() (tg.ModifiedMessagesMessages, error) {
+			var box tg.MessagesMessagesBox
+			retry := true
+			attempts := 0
+			var err error
+			for retry && attempts < 5 {
+				retry, err = tgerr.FloodWait(ctx, tc.client.Invoke(ctx, req, &box))
+				attempts++
+			}
+			if err != nil {
+				return nil, err
+			}
+			msgs, ok := box.Messages.(tg.ModifiedMessagesMessages)
+			if !ok {
+				return nil, fmt.Errorf("unsupported messages type %T", box.Messages)
+			}
+			return msgs, nil
+		})
+		if err != nil {
+			if tgerr.Is(err, tg.ErrTakeoutInvalid) {
+				tc.metadata.TakeoutID = 0
+				err := tc.userLogin.Save(ctx)
+				if err != nil {
+					log.Err(err).Msg("Failed to save user login after clearing takeout ID")
+				} else {
+					log.Debug().Msg("Cleared invalid takeout ID")
+				}
+			}
+			return nil, err
+		}
+		newMessages := resp.GetMessages()
+		if messages == nil {
+			messages = newMessages
+		} else {
+			messages = append(messages, resp.GetMessages()...)
+		}
+		if len(newMessages) < chunkLimit || !fetchParams.Forward {
+			break
+		}
+		limit -= len(newMessages)
+		offsetID = newMessages[len(newMessages)-1].GetID()
+		if takeoutID == 0 {
+			waitTime := time.Duration(min(requestCount*2, 15)) * time.Second
+			log.Debug().
+				Dur("wait_time", waitTime).
+				Msg("Not using takeout, waiting before requesting another batch of messages")
+			select {
+			case <-time.After(waitTime):
+			case <-ctx.Done():
+				return nil, ctx.Err()
+			}
+		}
+	}
+
+	portal := fetchParams.Portal
+
+	// If the first message is the last read message, mark the chat as read
+	// during backfill.
+	markRead := fetchParams.Forward &&
+		len(messages) > 0 &&
+		portal.Metadata.(*PortalMetadata).ReadUpTo == messages[0].GetID()
+
+	var cursor networkid.PaginationCursor
+	if len(messages) > 0 {
+		cursor = ids.MakePaginationCursorID(messages[len(messages)-1].GetID())
+	}
+
+	var stopAt int
+	if fetchParams.AnchorMessage != nil {
+		_, stopAt, err = ids.ParseMessageID(fetchParams.AnchorMessage.ID)
+		if err != nil {
+			return nil, err
+		}
+		log = log.With().Int("stop_at", stopAt).Logger()
+	}
+
+	var backfillMessages []*bridgev2.BackfillMessage
+	for _, msg := range messages {
+		log := log.With().Int("message_id", msg.GetID()).Logger()
+		if stopAt > 0 {
+			if fetchParams.Forward && msg.GetID() <= stopAt {
+				// If we are doing forward backfill and we get to the anchor
+				// message, don't convert any more messages.
+				log.Debug().Msg("stopping at anchor message")
+				break
+			} else if !fetchParams.Forward && msg.GetID() >= stopAt {
+				// If we are doing backwards backfill and we get a message more
+				// recent than the anchor message, skip it.
+				log.Debug().Msg("skipping message past anchor message")
+				continue
+			}
+		}
+
+		message, ok := msg.(*tg.Message)
+		if !ok {
+			log.Debug().Str("type", msg.TypeName()).Msg("skipping backfilling unsupported message type")
+			continue
+		}
+
+		sender := tc.getEventSender(message, !portal.Metadata.(*PortalMetadata).IsSuperGroup)
+		intent, ok := portal.GetIntentFor(ctx, sender, tc.userLogin, bridgev2.RemoteEventBackfill)
+		if !ok {
+			continue
+		}
+		converted, err := tc.convertToMatrix(ctx, portal, intent, message)
+		if err != nil {
+			return nil, err
+		}
+
+		backfillMessage := bridgev2.BackfillMessage{
+			ConvertedMessage: converted,
+			Sender:           sender,
+			ID:               ids.GetMessageIDFromMessage(message),
+			Timestamp:        time.Unix(int64(message.Date), 0),
+			StreamOrder:      int64(message.GetID()),
+		}
+
+		if reactions, ok := message.GetReactions(); ok {
+			reactionsList, _, customEmojis, err := tc.computeReactionsList(ctx, message.PeerID, message.ID, reactions)
+			if err != nil {
+				return nil, err
+			}
+
+			for _, reaction := range reactionsList {
+				peer, ok := reaction.PeerID.(*tg.PeerUser)
+				if !ok {
+					return nil, fmt.Errorf("unknown peer type %T", reaction.PeerID)
+				}
+
+				emojiID, emoji, err := computeEmojiAndID(reaction.Reaction, customEmojis)
+				if err != nil {
+					return nil, fmt.Errorf("failed to compute emoji and ID: %w", err)
+				}
+
+				backfillMessage.Reactions = append(backfillMessage.Reactions, &bridgev2.BackfillReaction{
+					Timestamp: time.Unix(int64(reaction.Date), 0),
+					Sender:    tc.senderForUserID(peer.UserID),
+					EmojiID:   emojiID,
+					Emoji:     emoji,
+				})
+			}
+		}
+
+		backfillMessages = append(backfillMessages, &backfillMessage)
+	}
+
+	// They are returned with most recent message first, so reverse the order.
+	slices.Reverse(backfillMessages)
+
+	return &bridgev2.FetchMessagesResponse{
+		Messages: backfillMessages,
+		Cursor:   cursor,
+		HasMore:  len(backfillMessages) > 0,
+		Forward:  fetchParams.Forward,
+		MarkRead: markRead,
+	}, nil
+}
+
+func (tc *TelegramClient) GetBackfillMaxBatchCount(ctx context.Context, portal *bridgev2.Portal, task *database.BackfillTask) int {
+	log := zerolog.Ctx(ctx).With().
+		Str("method", "GetBackfillMaxBatchCount").
+		Logger()
+	peerType, _, topicID, err := ids.ParsePortalID(portal.ID)
+	if err != nil {
+		log.Err(err).Msg("failed to parse portal ID")
+		return 0
+	}
+	switch peerType {
+	case ids.PeerTypeUser:
+		return tc.main.Bridge.Config.Backfill.Queue.GetOverride("user")
+	case ids.PeerTypeChat:
+		return tc.main.Bridge.Config.Backfill.Queue.GetOverride("normal_group")
+	case ids.PeerTypeChannel:
+		if topicID == ids.TopicIDSpaceRoom {
+			return 0
+		} else if topicID > 0 {
+			return tc.main.Bridge.Config.Backfill.Queue.GetOverride("topic", "supergroup")
+		} else if portal.Metadata.(*PortalMetadata).IsSuperGroup {
+			return tc.main.Bridge.Config.Backfill.Queue.GetOverride("supergroup")
+		} else {
+			return tc.main.Bridge.Config.Backfill.Queue.GetOverride("channel")
+		}
+	default:
+		log.Error().Str("peer_type", string(peerType)).Msg("unknown peer type")
+		return 0
+	}
+}
@@ -0,0 +1,294 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2025 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/>.
+
+package connector
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"time"
+
+	"go.mau.fi/util/jsontime"
+	"go.mau.fi/util/ptr"
+	"go.mau.fi/util/variationselector"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/bridgev2/database"
+	"maunium.net/go/mautrix/event"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector/ids"
+)
+
+func (tc *TelegramConnector) GetCapabilities() *bridgev2.NetworkGeneralCapabilities {
+	return &bridgev2.NetworkGeneralCapabilities{
+		DisappearingMessages: true,
+		Provisioning: bridgev2.ProvisioningCapabilities{
+			ImagePackImport: true,
+			ResolveIdentifier: bridgev2.ResolveIdentifierCapabilities{
+				CreateDM:       true,
+				LookupPhone:    true,
+				LookupUsername: true,
+				ContactList:    true,
+				Search:         true,
+			},
+			GroupCreation: map[string]bridgev2.GroupTypeCapabilities{
+				"group": {
+					TypeDescription: "a normal group",
+					Name:            bridgev2.GroupFieldCapability{Allowed: true, Required: true, MaxLength: 255},
+					Participants:    bridgev2.GroupFieldCapability{Allowed: true, Required: true, MinLength: 1, MaxLength: 200},
+					// TODO implement
+					//Disappear:       bridgev2.GroupFieldCapability{Allowed: true},
+				},
+				// TODO
+				//"channel": {},
+				//"supergroup": {},
+			},
+		},
+	}
+}
+
+func (tc *TelegramConnector) GetBridgeInfoVersion() (info, capabilities int) {
+	return 1, 8
+}
+
+// TODO get these from getConfig instead of hardcoding?
+
+const MaxTextLength = 4096
+const MaxCaptionLength = 1024
+const MaxFileSize = 2 * 1024 * 1024 * 1024
+
+var formattingCaps = event.FormattingFeatureMap{
+	event.FmtBold:               event.CapLevelFullySupported,
+	event.FmtItalic:             event.CapLevelFullySupported,
+	event.FmtUnderline:          event.CapLevelFullySupported,
+	event.FmtStrikethrough:      event.CapLevelFullySupported,
+	event.FmtInlineCode:         event.CapLevelFullySupported,
+	event.FmtCodeBlock:          event.CapLevelFullySupported,
+	event.FmtSyntaxHighlighting: event.CapLevelFullySupported,
+	event.FmtBlockquote:         event.CapLevelFullySupported,
+	event.FmtInlineLink:         event.CapLevelFullySupported,
+	event.FmtUserLink:           event.CapLevelFullySupported,
+	// TODO support room links and event links (convert to appropriate t.me links)
+	event.FmtUnorderedList: event.CapLevelPartialSupport,
+	event.FmtOrderedList:   event.CapLevelPartialSupport,
+	event.FmtListStart:     event.CapLevelPartialSupport,
+	event.FmtListJumpValue: event.CapLevelDropped,
+	// TODO support custom emojis in messages
+	event.FmtCustomEmoji:   event.CapLevelDropped,
+	event.FmtSpoiler:       event.CapLevelFullySupported,
+	event.FmtSpoilerReason: event.CapLevelDropped,
+	event.FmtHeaders:       event.CapLevelPartialSupport,
+}
+
+var fileCaps = event.FileFeatureMap{
+	event.MsgImage: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"image/jpeg": event.CapLevelFullySupported,
+			"image/webp": event.CapLevelPartialSupport,
+			"image/png":  event.CapLevelPartialSupport,
+			"image/gif":  event.CapLevelPartialSupport,
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          10 * 1024 * 1024,
+	},
+	event.MsgVideo: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"video/mp4": event.CapLevelFullySupported,
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          MaxFileSize,
+	},
+	event.MsgAudio: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"audio/mpeg": event.CapLevelFullySupported,
+			"audio/mp4":  event.CapLevelFullySupported,
+			// TODO some other formats are probably supported too
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          MaxFileSize,
+	},
+	event.MsgFile: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"*/*": event.CapLevelFullySupported,
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          MaxFileSize,
+	},
+	event.CapMsgGIF: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"image/gif": event.CapLevelPartialSupport,
+			"video/mp4": event.CapLevelFullySupported,
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          MaxFileSize,
+	},
+	event.CapMsgSticker: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"image/webp": event.CapLevelFullySupported,
+			// These are converted to webp
+			"image/jpeg": event.CapLevelPartialSupport,
+			"image/png":  event.CapLevelPartialSupport,
+			// These will only go through if they're from an imported Telegram pack
+			"video/lottie+json": event.CapLevelPartialSupport,
+			"video/webm":        event.CapLevelPartialSupport,
+		},
+	},
+	event.CapMsgVoice: {
+		MimeTypes: map[string]event.CapabilitySupportLevel{
+			"audio/ogg":  event.CapLevelFullySupported,
+			"audio/mpeg": event.CapLevelFullySupported,
+			"audio/mp4":  event.CapLevelFullySupported,
+		},
+		Caption:          event.CapLevelFullySupported,
+		MaxCaptionLength: MaxCaptionLength,
+		MaxSize:          MaxFileSize,
+	},
+}
+var premiumFileCaps event.FileFeatureMap
+
+func init() {
+	premiumFileCaps = make(event.FileFeatureMap, len(fileCaps))
+	for k, v := range fileCaps {
+		cloned := ptr.Clone(v)
+		if k == event.MsgFile || k == event.MsgVideo || k == event.MsgAudio {
+			cloned.MaxSize *= 2
+		}
+		cloned.MaxCaptionLength *= 2
+		premiumFileCaps[k] = cloned
+	}
+}
+
+func hashEmojiList(emojis []string) string {
+	hasher := sha256.New()
+	for _, emoji := range emojis {
+		hasher.Write([]byte(emoji))
+	}
+	return hex.EncodeToString(hasher.Sum(nil))[:8]
+}
+
+func makeTimerList() []jsontime.Milliseconds {
+	const day = 24 * time.Hour
+	const week = 7 * day
+	const month = 31 * day
+	const year = 365 * day
+	return []jsontime.Milliseconds{
+		jsontime.MS(1 * day),
+		jsontime.MS(2 * day),
+		jsontime.MS(3 * day),
+		jsontime.MS(4 * day),
+		jsontime.MS(5 * day),
+		jsontime.MS(6 * day),
+		jsontime.MS(1 * week),
+		jsontime.MS(2 * week),
+		jsontime.MS(3 * week),
+		jsontime.MS(1 * month),
+		jsontime.MS(2 * month),
+		jsontime.MS(3 * month),
+		jsontime.MS(4 * month),
+		jsontime.MS(5 * month),
+		jsontime.MS(6 * month),
+		jsontime.MS(1 * year),
+	}
+}
+
+var telegramTimers = makeTimerList()
+
+func (tc *TelegramClient) GetCapabilities(ctx context.Context, portal *bridgev2.Portal) *event.RoomFeatures {
+	baseID := "fi.mau.telegram.capabilities.2025_11_24"
+	feat := &event.RoomFeatures{
+		Formatting:          formattingCaps,
+		File:                fileCaps,
+		MaxTextLength:       MaxTextLength,
+		LocationMessage:     event.CapLevelFullySupported,
+		Reply:               event.CapLevelFullySupported,
+		Edit:                event.CapLevelFullySupported,
+		Delete:              event.CapLevelFullySupported,
+		Reaction:            event.CapLevelFullySupported,
+		ReactionCount:       1,
+		ReadReceipts:        true,
+		TypingNotifications: true,
+
+		DisappearingTimer: &event.DisappearingTimerCapability{
+			Types:  []event.DisappearingType{event.DisappearingTypeAfterSend},
+			Timers: telegramTimers,
+		},
+		State: event.StateFeatureMap{
+			event.StateRoomName.Type:                {Level: event.CapLevelFullySupported},
+			event.StateRoomAvatar.Type:              {Level: event.CapLevelFullySupported},
+			event.StateBeeperDisappearingTimer.Type: {Level: event.CapLevelFullySupported},
+		},
+	}
+	// TODO non-admins can only edit messages within 48 hours
+
+	reactions := portal.Metadata.(*PortalMetadata).AllowedReactions
+	if reactions == nil {
+		baseID += "+reactions_any"
+		feat.AllowedReactions, feat.CustomEmojiReactions = tc.getAvailableReactionsForCapability(ctx)
+		if len(feat.AllowedReactions) > 0 {
+			baseID += "+any_list_" + hashEmojiList(feat.AllowedReactions)
+		}
+	} else if len(reactions) == 0 {
+		baseID += "+reactions_none"
+		feat.Reaction = event.CapLevelRejected
+	} else {
+		baseID += "+reactions_" + hashEmojiList(reactions)
+		feat.AllowedReactions = reactions
+	}
+	for i, react := range feat.AllowedReactions {
+		feat.AllowedReactions[i] = variationselector.Add(react)
+	}
+	if tc.isPremiumCache.Load() {
+		baseID += "+premium"
+		feat.File = premiumFileCaps
+		feat.ReactionCount = 3
+	}
+	portalMetadata := portal.Metadata.(*PortalMetadata)
+	peerType, _, topicID, _ := ids.ParsePortalID(portal.ID)
+	if topicID > 0 {
+		baseID += "+topic"
+		// TODO do topics have other changes?
+		delete(feat.State, event.StateRoomAvatar.Type)
+		delete(feat.State, event.StateBeeperDisappearingTimer.Type)
+		feat.DisappearingTimer = nil
+	} else if topicID == ids.TopicIDSpaceRoom {
+		baseID += "+spaceroom"
+		feat = &event.RoomFeatures{}
+	}
+
+	switch portal.RoomType {
+	case database.RoomTypeDM:
+		baseID += "+dm"
+		feat.DeleteChat = true
+		feat.DeleteChatForEveryone = true
+		feat.State = event.StateFeatureMap{
+			event.StateBeeperDisappearingTimer.Type: {Level: event.CapLevelFullySupported},
+		}
+	default:
+		// Group creators can delete the chat for everyone, unless it's a large channel
+		if peerType == ids.PeerTypeChat || portalMetadata.ParticipantsCount < 1000 || topicID > 0 {
+			baseID += "+deletablegroup"
+			feat.DeleteChatForEveryone = true
+		}
+	}
+
+	feat.ID = baseID
+	return feat
+}
@@ -0,0 +1,654 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2025 Sumner Evans
+//
+// 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/>.
+
+package connector
+
+import (
+	"context"
+	"crypto/sha256"
+	"fmt"
+	"iter"
+	"slices"
+	"time"
+
+	"github.com/rs/zerolog"
+	"go.mau.fi/util/ptr"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/bridgev2/database"
+	"maunium.net/go/mautrix/bridgev2/networkid"
+	"maunium.net/go/mautrix/event"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector/ids"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+var (
+	mutedPowerLevel      = ptr.Ptr(-1)
+	anyonePowerLevel     = ptr.Ptr(0)
+	modPowerLevel        = ptr.Ptr(50)
+	superadminPowerLevel = ptr.Ptr(75)
+	creatorPowerLevel    = ptr.Ptr(95)
+	nobodyPowerLevel     = ptr.Ptr(99)
+
+	otherPowerLevel          = ptr.Ptr(40)
+	anonymousPowerLevel      = ptr.Ptr(41)
+	postMessagesPowerLevel   = ptr.Ptr(42)
+	editMessagesPowerLevel   = ptr.Ptr(43)
+	deleteMessagesPowerLevel = ptr.Ptr(44)
+	postStoriesPowerLevel    = ptr.Ptr(45)
+	editStoriesPowerLevel    = ptr.Ptr(46)
+	deleteStoriesPowerLevel  = ptr.Ptr(47)
+	changeInfoPowerLevel     = ptr.Ptr(50)
+	inviteUsersPowerLevel    = ptr.Ptr(51)
+	manageCallPowerLevel     = ptr.Ptr(52)
+	pinMessagesPowerLevel    = ptr.Ptr(53)
+	manageTopicsPowerLevel   = ptr.Ptr(54)
+	banUsersPowerLevel       = ptr.Ptr(55)
+	addAdminsPowerLevel      = ptr.Ptr(60)
+)
+
+func adminRightsToPowerLevel(rights tg.ChatAdminRights) *int {
+	if rights.AddAdmins {
+		return addAdminsPowerLevel
+	} else if rights.BanUsers {
+		return banUsersPowerLevel
+	} else if rights.ManageTopics {
+		return manageTopicsPowerLevel
+	} else if rights.PinMessages {
+		return pinMessagesPowerLevel
+	} else if rights.ManageCall {
+		return manageCallPowerLevel
+	} else if rights.InviteUsers {
+		return inviteUsersPowerLevel
+	} else if rights.ChangeInfo {
+		return changeInfoPowerLevel
+	} else if rights.DeleteStories {
+		return deleteStoriesPowerLevel
+	} else if rights.EditStories {
+		return editStoriesPowerLevel
+	} else if rights.PostStories {
+		return postStoriesPowerLevel
+	} else if rights.DeleteMessages {
+		return deleteMessagesPowerLevel
+	} else if rights.EditMessages {
+		return editMessagesPowerLevel
+	} else if rights.PostMessages {
+		return postMessagesPowerLevel
+	} else if rights.Anonymous {
+		return anonymousPowerLevel
+	}
+	return otherPowerLevel
+}
+
+func (tc *TelegramClient) getDMChatInfo(ctx context.Context, userID int64) (*bridgev2.ChatInfo, error) {
+	ghost, err := tc.main.Bridge.GetGhostByID(ctx, ids.MakeUserID(userID))
+	if err != nil {
+		return nil, err
+	}
+
+	chatInfo := bridgev2.ChatInfo{
+		Type: ptr.Ptr(database.RoomTypeDM),
+		Members: &bridgev2.ChatMemberList{
+			IsFull:      true,
+			MemberMap:   map[networkid.UserID]bridgev2.ChatMember{},
+			PowerLevels: tc.getDMPowerLevels(ghost),
+		},
+		CanBackfill:  !tc.metadata.IsBot,
+		ExtraUpdates: updatePortalLastSyncAt,
+	}
+	chatInfo.Members.MemberMap.Add(bridgev2.ChatMember{EventSender: tc.mySender()})
+	chatInfo.Members.MemberMap.Add(bridgev2.ChatMember{EventSender: tc.senderForUserID(userID)})
+	if userID == tc.telegramUserID {
+		chatInfo.Avatar = &bridgev2.Avatar{
+			ID:     networkid.AvatarID(tc.main.Config.SavedMessagesAvatar),
+			Remove: len(tc.main.Config.SavedMessagesAvatar) == 0,
+			MXC:    tc.main.Config.SavedMessagesAvatar,
+			Hash:   sha256.Sum256([]byte(tc.main.Config.SavedMessagesAvatar)),
+		}
+		chatInfo.Name = ptr.Ptr("Telegram Saved Messages")
+		chatInfo.Topic = ptr.Ptr("Your Telegram cloud storage chat")
+	}
+	return &chatInfo, nil
+}
+
+func isBroadcastChannel(chat tg.ChatClass) bool {
+	switch c := chat.(type) {
+	case *tg.Channel:
+		return c.Broadcast
+	default:
+		return false
+	}
+}
+
+type memberFetchMeta struct {
+	Input              *tg.InputChannel
+	IsBroadcast        bool
+	ParticipantsHidden bool
+	IsForum            bool
+}
+
+func (tc *TelegramClient) wrapChatInfo(portalID networkid.PortalID, rawChat tg.ChatClass) (*bridgev2.ChatInfo, *memberFetchMeta, error) {
+	info := bridgev2.ChatInfo{
+		Type:        ptr.Ptr(database.RoomTypeDefault),
+		CanBackfill: !tc.metadata.IsBot,
+		Members: &bridgev2.ChatMemberList{
+			ExcludeChangesFromTimeline: true,
+			MemberMap:                  bridgev2.ChatMemberMap{},
+		},
+		ExcludeChangesFromTimeline: true,
+	}
+	var mfm memberFetchMeta
+	var isMegagroup, isForumGeneral, left bool
+	var avatarErr error
+	var ownPL *int
+	switch chat := rawChat.(type) {
+	case *tg.Chat:
+		info.Name = &chat.Title
+		info.Members.TotalMemberCount = chat.ParticipantsCount
+		info.Avatar, avatarErr = tc.convertChatPhoto(chat.AsInputPeer(), chat.Photo)
+		info.Members.PowerLevels = tc.getPowerLevelOverridesFromBannedRights(chat, chat.DefaultBannedRights)
+		left = chat.Left
+		if chat.Creator {
+			ownPL = creatorPowerLevel
+		} else if rights, isAdmin := chat.GetAdminRights(); isAdmin {
+			ownPL = adminRightsToPowerLevel(rights)
+		} else {
+			ownPL = anyonePowerLevel
+		}
+	case *tg.Channel:
+		mfm.Input = chat.AsInput()
+		mfm.IsBroadcast = chat.Broadcast
+		info.Name = &chat.Title
+		info.Members.TotalMemberCount = chat.ParticipantsCount
+		isMegagroup = chat.Megagroup
+		info.Avatar, avatarErr = tc.convertChatPhoto(chat.AsInputPeer(), chat.Photo)
+		info.Members.PowerLevels = tc.getPowerLevelOverridesFromBannedRights(chat, chat.DefaultBannedRights)
+		if chat.Creator {
+			ownPL = creatorPowerLevel
+		} else if rights, isAdmin := chat.GetAdminRights(); isAdmin {
+			ownPL = adminRightsToPowerLevel(rights)
+		} else {
+			ownPL = anyonePowerLevel
+		}
+		_, _, topicID, _ := ids.ParsePortalID(portalID)
+		if chat.Forum {
+			if topicID == ids.TopicIDSpaceRoom {
+				info.Type = ptr.Ptr(database.RoomTypeSpace)
+			} else if topicID == 0 {
+				isForumGeneral = true
+				info.Name = ptr.Ptr("#General - " + *info.Name)
+			}
+			if topicID != ids.TopicIDSpaceRoom {
+				info.ParentID = ptr.Ptr(ids.MakeForumParentPortalID(chat.ID))
+			}
+			mfm.IsForum = true
+		} else if topicID != 0 {
+			return nil, nil, fmt.Errorf("channel %d is not a forum, cannot have topics", chat.GetID())
+		}
+		left = chat.Left
+		if chat.Broadcast {
+			info.Members.MemberMap.Set(bridgev2.ChatMember{
+				EventSender: bridgev2.EventSender{Sender: ids.MakeChannelUserID(chat.GetID())},
+				PowerLevel:  superadminPowerLevel,
+			})
+		} else if chat.Megagroup && !tc.main.Config.ShouldBridge(chat.ParticipantsCount) {
+			// TODO change this to a better error whenever that is implemented in mautrix-go
+			return nil, nil, fmt.Errorf("too many participants (%d) in chat %d", chat.ParticipantsCount, chat.GetID())
+		}
+	default:
+		return nil, nil, fmt.Errorf("unsupported chat type %T", rawChat)
+	}
+	if avatarErr != nil {
+		return nil, nil, fmt.Errorf("failed to wrap chat avatar: %w", avatarErr)
+	}
+	if !left {
+		info.Members.MemberMap.Add(bridgev2.ChatMember{EventSender: tc.mySender(), PowerLevel: ownPL})
+	}
+	info.ExtraUpdates = func(ctx context.Context, portal *bridgev2.Portal) bool {
+		meta := portal.Metadata.(*PortalMetadata)
+		_ = updatePortalLastSyncAt(ctx, portal)
+		changed := meta.SetIsSuperGroup(isMegagroup)
+		changed = meta.SetIsForumGeneral(isForumGeneral) || changed
+		if info.Members.TotalMemberCount != 0 && meta.ParticipantsCount != info.Members.TotalMemberCount {
+			meta.ParticipantsCount = info.Members.TotalMemberCount
+			changed = true
+		}
+		return changed
+	}
+	return &info, &mfm, nil
+}
+
+func (tc *TelegramClient) overrideChatInfoWithTopic(info *bridgev2.ChatInfo, topic *tg.ForumTopic) {
+	info.Name = ptr.Ptr(topic.Title + " - " + *info.Name)
+	if topic.Closed {
+		info.Members.PowerLevels.EventsDefault = nobodyPowerLevel
+	}
+}
+
+func (tc *TelegramClient) getChannelParticipants(ctx context.Context, req *tg.ChannelsGetParticipantsRequest) (*tg.ChannelsChannelParticipants, error) {
+	return APICallWithUpdates(ctx, tc, func() (*tg.ChannelsChannelParticipants, error) {
+		p, err := tc.client.API().ChannelsGetParticipants(ctx, req)
+		if err != nil {
+			return nil, err
+		}
+		participants, _ := p.(*tg.ChannelsChannelParticipants)
+		return participants, nil
+	})
+}
+
+func (tc *TelegramClient) fillChannelMembers(ctx context.Context, mfm *memberFetchMeta, info *bridgev2.ChatMemberList) error {
+	if mfm.Input == nil || mfm.ParticipantsHidden || (mfm.IsBroadcast && !tc.main.Config.MemberList.SyncBroadcastChannels) {
+		return nil
+	}
+	memberSyncLimit := tc.main.Config.MemberList.NormalizedMaxInitialSync()
+
+	if memberSyncLimit <= 200 {
+		participants, err := tc.getChannelParticipants(ctx, &tg.ChannelsGetParticipantsRequest{
+			Channel: mfm.Input,
+			Filter:  &tg.ChannelParticipantsRecent{},
+			Limit:   memberSyncLimit,
+		})
+		if err != nil || participants == nil {
+			return err
+		}
+		info.IsFull = len(participants.Participants) < memberSyncLimit &&
+			len(participants.Participants) >= info.TotalMemberCount &&
+			info.TotalMemberCount > 0
+		for participant := range tc.filterChannelParticipants(participants.Participants, memberSyncLimit) {
+			info.MemberMap.Set(participant)
+		}
+	} else {
+		remaining := memberSyncLimit
+		var offset int
+		for remaining > 0 {
+			participants, err := tc.getChannelParticipants(ctx, &tg.ChannelsGetParticipantsRequest{
+				Channel: mfm.Input,
+				Filter:  &tg.ChannelParticipantsSearch{},
+				Limit:   min(remaining, 200),
+				Offset:  offset,
+			})
+			if err != nil || participants == nil {
+				return err
+			}
+			if len(participants.Participants) == 0 {
+				info.IsFull = len(info.MemberMap) >= info.TotalMemberCount &&
+					info.TotalMemberCount > 0
+				break
+			}
+
+			for participant := range tc.filterChannelParticipants(participants.Participants, remaining) {
+				info.MemberMap.Set(participant)
+			}
+
+			offset += len(participants.Participants)
+			remaining -= len(participants.Participants)
+		}
+	}
+	return nil
+}
+
+func (tc *TelegramClient) fillUserLocalMeta(info *bridgev2.ChatInfo, dialog *tg.Dialog) {
+	info.UserLocal = &bridgev2.UserLocalPortalInfo{}
+	if mu, ok := dialog.NotifySettings.GetMuteUntil(); ok {
+		info.UserLocal.MutedUntil = ptr.Ptr(time.Unix(int64(mu), 0))
+	} else {
+		info.UserLocal.MutedUntil = &bridgev2.Unmuted
+	}
+	if dialog.Pinned {
+		info.UserLocal.Tag = ptr.Ptr(event.RoomTagFavourite)
+	}
+}
+
+func (tc *TelegramClient) wrapFullChatInfo(portalID networkid.PortalID, fullChat *tg.MessagesChatFull) (*bridgev2.ChatInfo, *memberFetchMeta, error) {
+	var chat tg.ChatClass
+	for _, c := range fullChat.GetChats() {
+		if c.GetID() == fullChat.FullChat.GetID() {
+			chat = c
+			break
+		}
+	}
+	if chat == nil {
+		return nil, nil, fmt.Errorf("chat ID %d not found in full chat", fullChat.FullChat.GetID())
+	}
+
+	info, mfm, err := tc.wrapChatInfo(portalID, chat)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var newAllowedReactions []string
+	if reactions, ok := fullChat.FullChat.GetAvailableReactions(); ok {
+		switch typedReactions := reactions.(type) {
+		case *tg.ChatReactionsAll:
+			newAllowedReactions = nil
+		case *tg.ChatReactionsNone:
+			newAllowedReactions = []string{}
+		case *tg.ChatReactionsSome:
+			newAllowedReactions = make([]string, 0, len(typedReactions.Reactions))
+			for _, react := range typedReactions.Reactions {
+				emoji, ok := react.(*tg.ReactionEmoji)
+				if ok {
+					newAllowedReactions = append(newAllowedReactions, emoji.Emoticon)
+				}
+			}
+			slices.Sort(newAllowedReactions)
+		}
+	}
+	if ttl, ok := fullChat.FullChat.GetTTLPeriod(); ok {
+		info.Disappear = &database.DisappearingSetting{
+			Type:  event.DisappearingTypeAfterSend,
+			Timer: time.Duration(ttl) * time.Second,
+		}
+	}
+	if about := fullChat.FullChat.GetAbout(); about != "" {
+		info.Topic = &about
+	}
+	info.ExtraUpdates = bridgev2.MergeExtraUpdaters(
+		info.ExtraUpdates,
+		reactionUpdater(newAllowedReactions),
+		markFullSynced,
+	)
+
+	switch typedFullChat := fullChat.FullChat.(type) {
+	case *tg.ChatFull:
+		participants, _ := typedFullChat.GetParticipants().(*tg.ChatParticipants)
+		memberSyncLimit := tc.main.Config.MemberList.NormalizedMaxInitialSync()
+		info.Members.IsFull = true
+		for i, user := range participants.GetParticipants() {
+			var powerLevel *int
+			switch user.(type) {
+			case *tg.ChatParticipantCreator:
+				powerLevel = creatorPowerLevel
+			case *tg.ChatParticipantAdmin:
+				powerLevel = modPowerLevel
+			default:
+				powerLevel = ptr.Ptr(0)
+			}
+
+			info.Members.MemberMap.Set(bridgev2.ChatMember{
+				EventSender: tc.senderForUserID(user.GetUserID()),
+				PowerLevel:  powerLevel,
+			})
+
+			if i >= memberSyncLimit {
+				info.Members.IsFull = false
+				break
+			}
+		}
+	case *tg.ChannelFull:
+		mfm.ParticipantsHidden = !typedFullChat.CanViewParticipants || typedFullChat.ParticipantsHidden
+	}
+
+	return info, mfm, nil
+}
+
+func reactionUpdater(newAllowedReactions []string) bridgev2.ExtraUpdater[*bridgev2.Portal] {
+	return func(ctx context.Context, portal *bridgev2.Portal) bool {
+		meta := portal.Metadata.(*PortalMetadata)
+		if newAllowedReactions == nil {
+			if meta.AllowedReactions == nil {
+				return false
+			}
+			meta.AllowedReactions = nil
+			return true
+		}
+		if meta.AllowedReactions == nil || !slices.Equal(newAllowedReactions, meta.AllowedReactions) {
+			meta.AllowedReactions = newAllowedReactions
+			return true
+		}
+		return false
+	}
+}
+
+func markFullSynced(ctx context.Context, portal *bridgev2.Portal) bool {
+	meta := portal.Metadata.(*PortalMetadata)
+	if !meta.FullSynced {
+		meta.FullSynced = true
+		return true
+	}
+	return false
+}
+
+func (tc *TelegramClient) avatarFromPhoto(ctx context.Context, peerType ids.PeerType, peerID int64, photo tg.PhotoClass) *bridgev2.Avatar {
+	if photo == nil {
+		zerolog.Ctx(ctx).Trace().Msg("Chat photo is nil, returning no avatar")
+		return nil
+	} else if photo.TypeID() != tg.PhotoTypeID {
+		zerolog.Ctx(ctx).Debug().Str("type_name", photo.TypeName()).Msg("Chat photo type unknown, returning no avatar")
+		return nil
+	}
+	avatar, err := tc.convertPhoto(ctx, peerType, peerID, photo)
+	if err != nil {
+		zerolog.Ctx(ctx).Err(err).Int64("id", photo.GetID()).Msg("Failed to convert avatar")
+		return nil
+	}
+	return avatar
+}
+
+func (tc *TelegramClient) filterChannelParticipants(participants []tg.ChannelParticipantClass, limit int) iter.Seq[bridgev2.ChatMember] {
+	return func(yield func(bridgev2.ChatMember) bool) {
+		for i, u := range participants {
+			var member bridgev2.ChatMember
+			switch participant := u.(type) {
+			case *tg.ChannelParticipant:
+				member.EventSender = tc.senderForUserID(participant.GetUserID())
+				member.PowerLevel = anyonePowerLevel
+			case *tg.ChannelParticipantSelf:
+				member.EventSender = tc.senderForUserID(participant.GetUserID())
+				member.PowerLevel = anyonePowerLevel
+			case *tg.ChannelParticipantCreator:
+				member.EventSender = tc.senderForUserID(participant.GetUserID())
+				member.PowerLevel = creatorPowerLevel
+			case *tg.ChannelParticipantAdmin:
+				member.EventSender = tc.senderForUserID(participant.GetUserID())
+				member.PowerLevel = adminRightsToPowerLevel(participant.AdminRights)
+			case *tg.ChannelParticipantBanned:
+				if participant.BannedRights.ViewMessages {
+					member.Membership = event.MembershipBan
+				} else if participant.Left {
+					member.Membership = event.MembershipLeave
+				}
+				if participant.BannedRights.SendMessages {
+					member.PowerLevel = mutedPowerLevel
+				} else {
+					member.PowerLevel = anyonePowerLevel
+				}
+				member.EventSender = tc.getPeerSender(participant.GetPeer())
+				member.MemberSender = tc.senderForUserID(participant.GetKickedBy())
+			case *tg.ChannelParticipantLeft:
+				member.Membership = event.MembershipLeave
+				member.PrevMembership = event.MembershipJoin
+				member.EventSender = tc.getPeerSender(participant.GetPeer())
+			default:
+				// TODO warning log?
+				continue
+			}
+			if i >= limit && member.Membership == "" && !member.EventSender.IsFromMe {
+				continue
+			}
+
+			if !yield(member) {
+				return
+			}
+		}
+	}
+}
+
+func (tc *TelegramClient) GetChatInfo(ctx context.Context, portal *bridgev2.Portal) (*bridgev2.ChatInfo, error) {
+	peerType, id, topicID, err := ids.ParsePortalID(portal.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	switch peerType {
+	case ids.PeerTypeUser:
+		return tc.getDMChatInfo(ctx, id)
+	case ids.PeerTypeChat:
+		fullChat, err := APICallWithUpdates(ctx, tc, func() (*tg.MessagesChatFull, error) {
+			return tc.client.API().MessagesGetFullChat(ctx, id)
+		})
+		if err != nil {
+			return nil, err
+		}
+		info, _, err := tc.wrapFullChatInfo(portal.ID, fullChat)
+		return info, err
+	case ids.PeerTypeChannel:
+		accessHash, err := tc.ScopedStore.GetAccessHash(ctx, ids.PeerTypeChannel, id)
+		if err != nil {
+			return nil, fmt.Errorf("failed to get channel access hash: %w", err)
+		}
+		if topicID > 0 {
+			resp, err := APICallWithUpdates(ctx, tc, func() (*tg.MessagesForumTopics, error) {
+				return tc.client.API().MessagesGetForumTopicsByID(ctx, &tg.MessagesGetForumTopicsByIDRequest{
+					Peer:   &tg.InputPeerChannel{ChannelID: id, AccessHash: accessHash},
+					Topics: []int{topicID},
+				})
+			})
+			if err != nil {
+				return nil, err
+			}
+			channel, topic, err := getTopicInfoFromResponse(resp, id, topicID)
+			if err != nil {
+				return nil, err
+			}
+			info, _, err := tc.wrapChatInfo(portal.ID, channel)
+			if err != nil {
+				return nil, err
+			}
+			tc.overrideChatInfoWithTopic(info, topic)
+			return info, nil
+		}
+		fullChat, err := APICallWithUpdates(ctx, tc, func() (*tg.MessagesChatFull, error) {
+			return tc.client.API().ChannelsGetFullChannel(ctx, &tg.InputChannel{ChannelID: id, AccessHash: accessHash})
+		})
+		if err != nil {
+			return nil, err
+		}
+		info, mfm, err := tc.wrapFullChatInfo(portal.ID, fullChat)
+		if err != nil {
+			return nil, err
+		}
+		err = tc.fillChannelMembers(ctx, mfm, info.Members)
+		if err != nil {
+			zerolog.Ctx(ctx).Err(err).Msg("Failed to get channel members")
+		}
+		return info, nil
+	default:
+		return nil, fmt.Errorf("unsupported peer type %s", peerType)
+	}
+}
+
+func getTopicInfoFromResponse(resp *tg.MessagesForumTopics, channelID int64, topicID int) (channel *tg.Channel, topic *tg.ForumTopic, err error) {
+	var ok bool
+	for _, ch := range resp.GetChats() {
+		if ch.GetID() == channelID {
+			channel, ok = ch.(*tg.Channel)
+			if !ok {
+				return nil, nil, fmt.Errorf("chat ID %d is %T not *tg.Channel", channelID, ch)
+			}
+			break
+		}
+	}
+	if channel == nil {
+		return nil, nil, fmt.Errorf("channel ID %d not found in chats", channelID)
+	}
+	for _, tp := range resp.GetTopics() {
+		if tp.GetID() == topicID {
+			topic, ok = tp.(*tg.ForumTopic)
+			if !ok {
+				return nil, nil, fmt.Errorf("topic ID %d is %T not *tg.ForumTopic", topicID, tp)
+			}
+			break
+		}
+	}
+	if topic == nil {
+		return nil, nil, fmt.Errorf("topic ID %d not found in topics", topicID)
+	}
+	return
+}
+
+func (tc *TelegramClient) getDMPowerLevels(ghost *bridgev2.Ghost) *bridgev2.PowerLevelOverrides {
+	var plo bridgev2.PowerLevelOverrides
+	// TODO use per-login metadata for blocked status
+	if /*ghost.Metadata.(*GhostMetadata).Blocked*/ false {
+		// Don't allow sending messages to blocked users
+		plo.EventsDefault = superadminPowerLevel
+	} else {
+		plo.EventsDefault = anyonePowerLevel
+	}
+	plo.Events = map[event.Type]int{
+		event.StateRoomName:                0,
+		event.StateRoomAvatar:              0,
+		event.StateTopic:                   0,
+		event.StateBeeperDisappearingTimer: 0,
+		event.BeeperDeleteChat:             0,
+	}
+	return &plo
+}
+
+func (tc *TelegramClient) getPowerLevelOverridesFromBannedRights(entity tg.ChatClass, dbr tg.ChatBannedRights) *bridgev2.PowerLevelOverrides {
+	var plo bridgev2.PowerLevelOverrides
+	plo.Ban = banUsersPowerLevel
+	plo.Kick = banUsersPowerLevel
+	plo.Redact = deleteMessagesPowerLevel
+	if dbr.InviteUsers {
+		plo.Invite = inviteUsersPowerLevel
+	} else {
+		plo.Invite = anyonePowerLevel
+	}
+	plo.StateDefault = superadminPowerLevel
+	plo.UsersDefault = anyonePowerLevel
+	if c, ok := entity.(*tg.Channel); (ok && !c.Megagroup) || dbr.SendMessages {
+		plo.EventsDefault = postMessagesPowerLevel
+	} else {
+		plo.EventsDefault = anyonePowerLevel
+	}
+
+	plo.Events = map[event.Type]int{
+		event.StateEncryption:              99,
+		event.StateTombstone:               99,
+		event.StatePowerLevels:             85,
+		event.StateHistoryVisibility:       85,
+		event.StateBeeperDisappearingTimer: 85,
+		event.BeeperDeleteChat:             *creatorPowerLevel,
+	}
+
+	if dbr.ChangeInfo {
+		plo.Events[event.StateRoomName] = *changeInfoPowerLevel
+		plo.Events[event.StateRoomAvatar] = *changeInfoPowerLevel
+		plo.Events[event.StateTopic] = *changeInfoPowerLevel
+		plo.Events[event.StateBeeperDisappearingTimer] = *changeInfoPowerLevel
+	} else {
+		plo.Events[event.StateRoomName] = 0
+		plo.Events[event.StateRoomAvatar] = 0
+		plo.Events[event.StateTopic] = 0
+		plo.Events[event.StateBeeperDisappearingTimer] = 0
+	}
+
+	if dbr.PinMessages {
+		plo.Events[event.StatePinnedEvents] = *pinMessagesPowerLevel
+	} else {
+		plo.Events[event.StatePinnedEvents] = 0
+	}
+
+	if dbr.SendStickers {
+		plo.Events[event.EventSticker] = *postMessagesPowerLevel
+	} else {
+		plo.Events[event.EventSticker] = 0
+	}
+
+	return &plo
+}
@@ -0,0 +1,362 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2025 Sumner Evans
+// Copyright (C) 2026 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/>.
+
+package connector
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/rs/zerolog"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/bridgev2/database"
+	"maunium.net/go/mautrix/bridgev2/networkid"
+	"maunium.net/go/mautrix/bridgev2/simplevent"
+
+	"go.mau.fi/mautrix-telegram/pkg/connector/ids"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
+)
+
+func (tc *TelegramClient) syncChats(ctx context.Context, takeoutID int64, onLogin, restart bool) error {
+	if takeoutID != 0 && !tc.main.Config.Takeout.DialogSync {
+		return nil
+	}
+	logWith := zerolog.Ctx(ctx).With().Str("loop", "chat sync")
+	if onLogin {
+		logWith = logWith.Bool("on_login", true)
+	}
+	if takeoutID != 0 {
+		logWith = logWith.Int64("takeout_id", takeoutID)
+	}
+	log := logWith.Logger()
+
+	if !tc.syncChatsLock.TryLock() {
+		log.Warn().Msg("Waiting for chat sync lock")
+		tc.syncChatsLock.Lock()
+		log.Debug().Msg("Acquired chat sync lock after waiting")
+	}
+	defer tc.syncChatsLock.Unlock()
+
+	if restart {
+		tc.metadata.DialogSyncCount = 0
+		tc.metadata.DialogSyncComplete = false
+		tc.metadata.DialogSyncCursor = ""
+	} else if tc.metadata.DialogSyncComplete {
+		log.Debug().Msg("Dialogs already synced")
+		return nil
+	}
+
+	isFullSync := true
+	updateLimit := subtractLimit(tc.main.Config.Sync.UpdateLimit, tc.metadata.DialogSyncCount)
+	if onLogin && tc.main.Config.Takeout.DialogSync {
+		updateLimit = tc.main.Config.Sync.LoginLimit
+		isFullSync = false
+	}
+	createLimit := subtractLimit(tc.main.Config.Sync.CreateLimit, tc.metadata.DialogSyncCount)
+
+	var req tg.MessagesGetDialogsRequest
+	isFirst := true
+	if tc.metadata.DialogSyncCursor != "" {
+		isFirst = false
+		var err error
+		req.OffsetPeer, _, err = tc.inputPeerForPortalID(ctx, tc.metadata.DialogSyncCursor)
+		if err != nil {
+			return fmt.Errorf("failed to get input peer for pagination: %w", err)
+		}
+	} else {
+		req.OffsetPeer = &tg.InputPeerEmpty{}
+	}
+	var wrappedReq bin.Object
+	if takeoutID != 0 {
+		wrappedReq = &tg.InvokeWithTakeoutRequest{TakeoutID: takeoutID, Query: &req}
+	} else {
+		wrappedReq = &req
+	}
+	for updateLimit < 0 || updateLimit > 0 {
+		if updateLimit < 0 {
+			req.Limit = 100
+		} else {
+			req.Limit = min(100, updateLimit)
+		}
+		log.Info().
+			Stringer("request", &req).
+			Int("update_limit", updateLimit).
+			Int("create_limit", createLimit).
+			Msg("Fetching dialogs")
+		dialogs, err := APICallWithUpdates(ctx, tc, func() (tg.ModifiedMessagesDialogs, error) {
+			var dialogs tg.MessagesDialogsBox
+			retry := true
+			attempts := 0
+			var err error
+			for retry && attempts < 5 {
+				retry, err = tgerr.FloodWait(ctx, tc.client.Invoke(ctx, wrappedReq, &dialogs))
+				attempts++
+			}
+			if err != nil {
+				return nil, err
+			} else if modified, ok := dialogs.Dialogs.AsModified(); !ok {
+				return nil, fmt.Errorf("unexpected response type: %T", dialogs.Dialogs)
+			} else {
+				return modified, nil
+			}
+		})
+		if err != nil {
+			return fmt.Errorf("failed to get dialogs: %w", err)
+		} else if len(dialogs.GetDialogs()) == 0 {
+			log.Debug().Msg("No more dialogs found (empty response)")
+			break
+		}
+
+		if isFirst {
+			// This is the first fetch of dialogs, reset the pinned dialogs based on the list.
+			if err = tc.resetPinnedDialogs(ctx, dialogs.GetDialogs()); err != nil {
+				return fmt.Errorf("failed to save pinned dialogs: %w", err)
+			}
+		}
+		isFirst = false
+
+		dialogList := dialogs.GetDialogs()
+		if updateLimit > 0 && len(dialogList) > updateLimit {
+			dialogList = dialogList[:updateLimit]
+		}
+		err = tc.handleDialogs(ctx, dialogList, dialogs, createLimit)
+		if err != nil {
+			return fmt.Errorf("failed to handle dialogs: %w", err)
+		}
+		updateLimit = subtractLimit(updateLimit, len(dialogList))
+		createLimit = subtractLimit(createLimit, len(dialogList))
+
+		cursorPortalKey := tc.makePortalKeyFromPeer(dialogList[len(dialogList)-1].GetPeer(), 0)
+		if tc.metadata.DialogSyncCursor == cursorPortalKey.ID {
+			log.Debug().Msg("No more dialogs found (last dialog is same as old cursor)")
+			break
+		}
+		tc.metadata.DialogSyncCursor = cursorPortalKey.ID
+		tc.metadata.DialogSyncCount += len(dialogList)
+		if err = tc.userLogin.Save(ctx); err != nil {
+			return fmt.Errorf("failed to save user login to update cursor: %w", err)
+		}
+
+		req.OffsetPeer, _, err = tc.inputPeerForPortalID(ctx, cursorPortalKey.ID)
+		if err != nil {
+			return fmt.Errorf("failed to get input peer for pagination: %w", err)
+		}
+	}
+	if isFullSync {
+		tc.metadata.DialogSyncComplete = true
+		tc.metadata.DialogSyncCursor = ""
+		tc.metadata.DialogSyncCount = 0
+		if err := tc.userLogin.Save(ctx); err != nil {
+			return fmt.Errorf("failed to save user login after successful sync: %w", err)
+		}
+	}
+	log.Info().Msg("Finished dialog sync")
+	return nil
+}
+
+func subtractLimit(limit, count int) int {
+	if limit < 0 {
+		return limit
+	}
+	limit -= count
+	if limit < 0 {
+		return 0
+	}
+	return limit
+}
+
+func (tc *TelegramClient) resetPinnedDialogs(ctx context.Context, dialogs []tg.DialogClass) error {
+	tc.metadata.PinnedDialogs = nil
+	for _, dialog := range dialogs {
+		if dialog.GetPinned() {
+			portalKey := tc.makePortalKeyFromPeer(dialog.GetPeer(), 0)
+			tc.metadata.PinnedDialogs = append(tc.metadata.PinnedDialogs, portalKey.ID)
+		}
+	}
+	return tc.userLogin.Save(ctx)
+}
+
+func (tc *TelegramClient) handleDialogs(ctx context.Context, dialogList []tg.DialogClass, meta tg.ModifiedMessagesDialogs, createLimit int) error {
+	log := zerolog.Ctx(ctx)
+
+	users := map[int64]tg.UserClass{}
+	for _, user := range meta.GetUsers() {
+		users[user.GetID()] = user
+	}
+	chats := map[int64]tg.ChatClass{}
+	for _, chat := range meta.GetChats() {
+		chats[chat.GetID()] = chat
+	}
+	messages := map[networkid.MessageID]tg.MessageClass{}
+	for _, message := range meta.GetMessages() {
+		messages[ids.GetMessageIDFromMessage(message)] = message
+	}
+
+	for i, d := range dialogList {
+		dialog, ok := d.(*tg.Dialog)
+		if !ok {
+			continue
+		}
+
+		log := log.With().
+			Stringer("peer", dialog.Peer).
+			Int("top_message", dialog.TopMessage).
+			Logger()
+		log.Debug().Msg("Syncing dialog")
+
+		portalKey := tc.makePortalKeyFromPeer(dialog.GetPeer(), 0)
+		portal, err := tc.main.Bridge.GetPortalByKey(ctx, portalKey)
+		if err != nil {
+			return err
+		}
+		if dialog.UnreadCount == 0 && !dialog.UnreadMark {
+			portal.Metadata.(*PortalMetadata).ReadUpTo = dialog.TopMessage
+		}
+
+		var chatInfo *bridgev2.ChatInfo
+		switch peer := dialog.Peer.(type) {
+		case *tg.PeerUser:
+			switch user := users[peer.UserID].(type) {
+			case *tg.User:
+				if user.GetDeleted() {
+					log.Debug().Int64("user_id", peer.UserID).Msg("Not syncing portal because user is deleted")
+					continue
+				}
+				chatInfo, err = tc.getDMChatInfo(ctx, peer.UserID)
+				if err != nil {
+					return fmt.Errorf("failed to get dm info for %d: %w", peer.UserID, err)
+				}
+			default:
+				log.Debug().
+					Int64("user_id", peer.UserID).
+					Type("user_type", user).
+					Msg("Not syncing portal because user type is unsupported")
+				continue
+			}
+		case *tg.PeerChat:
+			switch chat := chats[peer.ChatID].(type) {
+			case *tg.Chat:
+				// Need to get full chat info to get the member list
+				chatInfo, err = tc.GetChatInfo(ctx, portal)
+				if err != nil {
+					return fmt.Errorf("failed to get chat info for %s: %w", portalKey, err)
+				}
+			case *tg.ChatForbidden:
+				log.Debug().
+					Int64("chat_id", peer.ChatID).
+					Msg("Not syncing portal because chat is forbidden")
+				continue
+			default:
+				log.Debug().
+					Int64("chat_id", peer.ChatID).
+					Type("chat_type", chat).
+					Msg("Not syncing portal because chat type is unsupported")
+				continue
+			}
+		case *tg.PeerChannel:
+			switch channel := chats[peer.ChannelID].(type) {
+			case *tg.Channel:
+				var mfm *memberFetchMeta
+				chatInfo, mfm, err = tc.wrapChatInfo(portal.ID, channel)
+				if err != nil {
+					return fmt.Errorf("failed to get chat info for %s: %w", portalKey, err)
+				}
+				err = tc.fillChannelMembers(ctx, mfm, chatInfo.Members)
+				if err != nil {
+					log.Err(err).Msg("Failed to get channel members")
+				}
+			case *tg.ChannelForbidden:
+				log.Debug().
+					Int64("channel_id", peer.ChannelID).
+					Msg("Not syncing portal because channel is forbidden")
+				continue
+			default:
+				log.Debug().
+					Int64("channel_id", peer.ChannelID).
+					Type("channel_type", channel).
+					Msg("Not syncing portal because channel type is unsupported")
+				continue
+			}
+		}
+
+		if portal.MXID == "" {
+			// Check what the latest message is
+			topMessage := messages[ids.MakeMessageID(dialog.Peer, dialog.TopMessage)]
+			if topMessage == nil {
+				if dialog.TopMessage == 0 {
+					log.Debug().Msg("Not syncing portal because there are no messages")
+					continue
+				}
+				log.Warn().Msg("TopMessage of dialog not in messages map")
+			} else if topMessage.TypeID() == tg.MessageServiceTypeID {
+				action := topMessage.(*tg.MessageService).Action
+				if action.TypeID() == tg.MessageActionContactSignUpTypeID || action.TypeID() == tg.MessageActionHistoryClearTypeID {
+					log.Debug().Str("action_type", action.TypeName()).Msg("Not syncing portal because it's a contact sign up or history clear")
+					continue
+				}
+			}
+
+			if createLimit >= 0 && i >= createLimit {
+				continue
+			}
+		}
+
+		tc.fillUserLocalMeta(chatInfo, dialog)
+
+		res := tc.main.Bridge.QueueRemoteEvent(tc.userLogin, &simplevent.ChatResync{
+			ChatInfo: chatInfo,
+			EventMeta: simplevent.EventMeta{
+				Type: bridgev2.RemoteEventChatResync,
+				LogContext: func(c zerolog.Context) zerolog.Context {
+					return c.Str("update", "sync")
+				},
+				PortalKey:    portalKey,
+				CreatePortal: true,
+			},
+			CheckNeedsBackfillFunc: func(ctx context.Context, latestMessage *database.Message) (bool, error) {
+				if latestMessage == nil {
+					return true, nil
+				}
+				_, latestMessageID, err := ids.ParseMessageID(latestMessage.ID)
+				if err != nil {
+					panic(err)
+				}
+				return dialog.TopMessage > latestMessageID, nil
+			},
+		})
+		if err = resultToError(res); err != nil {
+			return err
+		}
+
+		// Generate a read receipt from the last known read message id
+		res = tc.main.Bridge.QueueRemoteEvent(tc.userLogin, &simplevent.Receipt{
+			EventMeta: simplevent.EventMeta{
+				Type:      bridgev2.RemoteEventReadReceipt,
+				PortalKey: portalKey,
+				Sender:    tc.mySender(),
+			},
+			LastTarget:          ids.MakeMessageID(portalKey, dialog.ReadInboxMaxID),
+			ReadUpToStreamOrder: int64(dialog.ReadInboxMaxID),
+		})
+		if err = resultToError(res); err != nil {
+			return err
+		}
+	}
+	return nil
+}
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
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