Initial split to htmlparser/lxml matrix->telegram formatters
This commit is contained in:
Tulir Asokan
@@ -0,0 +1,150 @@
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# -*- coding: future_fstrings -*-
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# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2018 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from typing import Optional, List, Tuple, Callable
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import re
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import logging
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from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityItalic,
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TypeMessageEntity)
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from ...context import Context
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from ... import puppet as pu
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from ...db import Message as DBMessage
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from ..util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
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trim_reply_fallback_text)
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from .parser_common import ParsedMessage
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try:
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from mautrix_telegram.formatter.from_matrix.parser_lxml import parse_html
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except ImportError:
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from mautrix_telegram.formatter.from_matrix.parser_htmlparser import parse_html
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log = logging.getLogger("mau.fmt.mx")
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should_bridge_plaintext_highlights = False
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command_regex = re.compile(r"^!([A-Za-z0-9@]+)")
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not_command_regex = re.compile(r"^\\(![A-Za-z0-9@]+)")
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plain_mention_regex = None
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def plain_mention_to_html(match):
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puppet = pu.Puppet.find_by_displayname(match.group(2))
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if puppet:
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return (f"{match.group(1)}"
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f"<a href='https://matrix.to/#/{puppet.mxid}'>"
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f"{puppet.displayname}"
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"</a>")
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return "".join(match.groups())
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def cut_long_message(message: str, entities: List[TypeMessageEntity]) -> ParsedMessage:
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if len(message) > 4096:
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message = message[0:4082] + " [message cut]"
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new_entities = []
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for entity in entities:
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if entity.offset > 4082:
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continue
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if entity.offset + entity.length > 4082:
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entity.length = 4082 - entity.offset
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new_entities.append(entity)
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new_entities.append(MessageEntityItalic(4082, len(" [message cut]")))
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entities = new_entities
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return message, entities
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def matrix_to_telegram(html: str) -> ParsedMessage:
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try:
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html = command_regex.sub(r"<command>\1</command>", html)
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html = html.replace("\t", " " * 4)
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html = not_command_regex.sub(r"\1", html)
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if should_bridge_plaintext_highlights:
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html = plain_mention_regex.sub(plain_mention_to_html, html)
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html = add_surrogates(html)
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text, entities = parse_html(add_surrogates(html))
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text = remove_surrogates(html.strip())
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text, entities = cut_long_message(text, entities)
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return text, entities
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except Exception:
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log.exception("Failed to convert Matrix format:\nhtml=%s", html)
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def matrix_reply_to_telegram(content: dict, tg_space: int, room_id: Optional[str] = None
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) -> Optional[int]:
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try:
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reply = content["m.relates_to"]["m.in_reply_to"]
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room_id = room_id or reply["room_id"]
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event_id = reply["event_id"]
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try:
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if content["format"] == "org.matrix.custom.html":
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content["formatted_body"] = trim_reply_fallback_html(content["formatted_body"])
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except KeyError:
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pass
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content["body"] = trim_reply_fallback_text(content["body"])
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message = DBMessage.query.filter(DBMessage.mxid == event_id,
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DBMessage.tg_space == tg_space,
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DBMessage.mx_room == room_id).one_or_none()
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if message:
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return message.tgid
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except KeyError:
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pass
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return None
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def matrix_text_to_telegram(text: str) -> ParsedMessage:
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text = command_regex.sub(r"/\1", text)
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text = text.replace("\t", " " * 4)
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text = not_command_regex.sub(r"\1", text)
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if should_bridge_plaintext_highlights:
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entities, pmr_replacer = plain_mention_to_text()
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text = plain_mention_regex.sub(pmr_replacer, text)
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else:
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entities = []
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return text, entities
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def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[str], str]]:
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entities = []
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def replacer(match) -> str:
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puppet = pu.Puppet.find_by_displayname(match.group(2))
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if puppet:
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offset = match.start()
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length = match.end() - offset
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if puppet.username:
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entity = MessageEntityMention(offset, length)
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text = f"@{puppet.username}"
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else:
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entity = MessageEntityMentionName(offset, length, user_id=puppet.tgid)
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text = puppet.displayname
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entities.append(entity)
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return text
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return "".join(match.groups())
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return entities, replacer
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def init_mx(context: Context):
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global plain_mention_regex, should_bridge_plaintext_highlights
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config = context.config
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dn_template = config.get("bridge.displayname_template", "{displayname} (Telegram)")
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dn_template = re.escape(dn_template).replace(re.escape("{displayname}"), "[^>]+")
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plain_mention_regex = re.compile(f"(\s|^)({dn_template})")
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should_bridge_plaintext_highlights = config["bridge.plaintext_highlights"] or False
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@@ -0,0 +1,31 @@
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# -*- coding: future_fstrings -*-
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# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2018 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import re
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from typing import List, Tuple
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from telethon.tl.types import TypeMessageEntity
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class MatrixParserCommon:
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mention_regex = re.compile("https://matrix.to/#/(@.+:.+)")
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room_regex = re.compile("https://matrix.to/#/(#.+:.+)")
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block_tags = ("br", "p", "pre", "blockquote",
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"ol", "ul", "li",
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"h1", "h2", "h3", "h4", "h5", "h6",
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"div", "hr", "table")
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ParsedMessage = Tuple[str, List[TypeMessageEntity]]
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+11
-136
@@ -17,36 +17,28 @@
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from html import unescape
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from html.parser import HTMLParser
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from collections import deque
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from typing import Optional, List, Tuple, Type, Callable, Dict, Any
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from typing import Optional, List, Tuple, Type, Dict, Any
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import math
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import re
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import logging
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from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityEmail,
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MessageEntityUrl, MessageEntityTextUrl, MessageEntityBold,
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MessageEntityItalic, MessageEntityCode, MessageEntityPre,
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MessageEntityBotCommand, TypeMessageEntity)
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from ..context import Context
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from .. import user as u, puppet as pu, portal as po
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from ..db import Message as DBMessage
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from .util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
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trim_reply_fallback_text, html_to_unicode)
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log = logging.getLogger("mau.fmt.mx")
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should_bridge_plaintext_highlights = False
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from ... import user as u, puppet as pu, portal as po
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from ..util import html_to_unicode
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from .parser_common import MatrixParserCommon, ParsedMessage
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class MatrixParser(HTMLParser):
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mention_regex = re.compile("https://matrix.to/#/(@.+:.+)")
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room_regex = re.compile("https://matrix.to/#/(#.+:.+)")
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block_tags = ("br", "p", "pre", "blockquote",
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"ol", "ul", "li",
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"h1", "h2", "h3", "h4", "h5", "h6",
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"div", "hr", "table")
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def parse_html(html: str) -> ParsedMessage:
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parser = MatrixParser()
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parser.feed(html)
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return parser.text, parser.entities
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class MatrixParser(HTMLParser, MatrixParserCommon):
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def __init__(self):
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super().__init__()
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super(HTMLParser, self).__init__()
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self.text = ""
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self.entities = []
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self._building_entities = {}
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@@ -242,120 +234,3 @@ class MatrixParser(HTMLParser):
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if tag in self.block_tags and tag != "br" and "blockquote" not in self._open_tags:
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self._newline(allow_multi=tag == "br")
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command_regex = re.compile(r"^!([A-Za-z0-9@]+)")
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not_command_regex = re.compile(r"^\\(![A-Za-z0-9@]+)")
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plain_mention_regex = None
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def plain_mention_to_html(match):
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puppet = pu.Puppet.find_by_displayname(match.group(2))
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if puppet:
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return (f"{match.group(1)}"
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f"<a href='https://matrix.to/#/{puppet.mxid}'>"
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f"{puppet.displayname}"
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"</a>")
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return "".join(match.groups())
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def cut_long_message(message: str, entities: List[TypeMessageEntity]
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) -> Tuple[str, List[TypeMessageEntity]]:
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if len(message) > 4096:
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message = message[0:4082] + " [message cut]"
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new_entities = []
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for entity in entities:
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if entity.offset > 4082:
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continue
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if entity.offset + entity.length > 4082:
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entity.length = 4082 - entity.offset
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new_entities.append(entity)
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new_entities.append(MessageEntityItalic(4082, len(" [message cut]")))
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entities = new_entities
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return message, entities
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def matrix_to_telegram(html: str) -> Tuple[str, List[TypeMessageEntity]]:
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try:
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parser = MatrixParser()
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html = command_regex.sub(r"<command>\1</command>", html)
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html = html.replace("\t", " " * 4)
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html = not_command_regex.sub(r"\1", html)
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if should_bridge_plaintext_highlights:
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html = plain_mention_regex.sub(plain_mention_to_html, html)
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parser.feed(add_surrogates(html))
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message_text = remove_surrogates(parser.text.strip())
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message_entities = parser.entities
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message_text, message_entities = cut_long_message(message_text, message_entities)
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return message_text, message_entities
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except Exception:
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log.exception("Failed to convert Matrix format:\nhtml=%s", html)
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def matrix_reply_to_telegram(content: dict, tg_space: int, room_id: Optional[str] = None
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) -> Optional[int]:
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try:
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reply = content["m.relates_to"]["m.in_reply_to"]
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room_id = room_id or reply["room_id"]
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event_id = reply["event_id"]
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try:
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if content["format"] == "org.matrix.custom.html":
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content["formatted_body"] = trim_reply_fallback_html(content["formatted_body"])
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except KeyError:
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pass
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content["body"] = trim_reply_fallback_text(content["body"])
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message = DBMessage.query.filter(DBMessage.mxid == event_id,
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DBMessage.tg_space == tg_space,
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DBMessage.mx_room == room_id).one_or_none()
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if message:
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return message.tgid
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except KeyError:
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pass
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return None
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def matrix_text_to_telegram(text: str) -> Tuple[str, List[TypeMessageEntity]]:
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text = command_regex.sub(r"/\1", text)
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text = text.replace("\t", " " * 4)
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text = not_command_regex.sub(r"\1", text)
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if should_bridge_plaintext_highlights:
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entities, pmr_replacer = plain_mention_to_text()
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text = plain_mention_regex.sub(pmr_replacer, text)
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else:
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entities = []
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return text, entities
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def plain_mention_to_text() -> Tuple[List[TypeMessageEntity], Callable[[str], str]]:
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entities = []
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def replacer(match):
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puppet = pu.Puppet.find_by_displayname(match.group(2))
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if puppet:
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offset = match.start()
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length = match.end() - offset
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if puppet.username:
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entity = MessageEntityMention(offset, length)
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text = f"@{puppet.username}"
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else:
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entity = MessageEntityMentionName(offset, length, user_id=puppet.tgid)
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text = puppet.displayname
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entities.append(entity)
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return text
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return "".join(match.groups())
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return entities, replacer
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def init_mx(context: Context):
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global plain_mention_regex, should_bridge_plaintext_highlights
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config = context.config
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dn_template = config.get("bridge.displayname_template", "{displayname} (Telegram)")
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dn_template = re.escape(dn_template).replace(re.escape("{displayname}"), "[^>]+")
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plain_mention_regex = re.compile(f"(\s|^)({dn_template})")
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should_bridge_plaintext_highlights = config["bridge.plaintext_highlights"] or False
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@@ -0,0 +1,52 @@
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# -*- coding: future_fstrings -*-
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# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2018 Tulir Asokan
|
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#
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# This program is free software: you can redistribute it and/or modify
|
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# 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
|
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# (at your option) any later version.
|
||||
#
|
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# This program is distributed in the hope that it will be useful,
|
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# 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.
|
||||
#
|
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# 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/>.
|
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from lxml import etree
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from typing import Optional, List, Tuple, Type, Callable, Dict, Any
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import math
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import re
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import logging
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from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityEmail,
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MessageEntityUrl, MessageEntityTextUrl, MessageEntityBold,
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MessageEntityItalic, MessageEntityCode, MessageEntityPre,
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MessageEntityBotCommand, TypeMessageEntity)
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from ...context import Context
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from ... import user as u, puppet as pu, portal as po
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from ...db import Message as DBMessage
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from ...formatter.util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
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trim_reply_fallback_text, html_to_unicode)
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from .parser_common import MatrixParserCommon, ParsedMessage
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class MatrixParser(MatrixParserCommon):
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def __init__(self):
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self.text = ""
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self.entities = []
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def parse_node(self, node) -> ParsedMessage:
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pass
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def feed(self, html: str):
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document = etree.parse(html)
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self.text, self.entities = self.parse_node(document)
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def parse_html(html: str) -> ParsedMessage:
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parser = MatrixParser()
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parser.feed(html)
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return parser.text, parser.entities
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@@ -4,11 +4,12 @@ import mautrix_telegram
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extras = {
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"highlight_edits": ["lxml>=4.1.1,<5"],
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"better_formatter": ["lxml>=4.1.1,<5"],
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"fast_crypto": ["cryptg>=0.1,<0.2"],
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"webp_convert": ["Pillow>=5.0.0,<6"],
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"hq_thumbnails": ["moviepy>=0.2,<0.3"],
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}
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extras["all"] = [deps[0] for deps in extras.values()]
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extras["all"] = list(set(deps[0] for deps in extras.values()))
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setuptools.setup(
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name="mautrix-telegram",
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Reference in New Issue
Block a user