Tulir Asokan
119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
# -*- 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 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from telethon.tl.types import *
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from telethon.errors import ChannelInvalidError, ChannelPrivateError
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from telethon.tl.functions.messages import GetChatsRequest
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from telethon.tl.functions.channels import GetChannelsRequest
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from .abstract_user import AbstractUser
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from .db import BotChat
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config = None
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class Bot(AbstractUser):
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log = logging.getLogger("mau.bot")
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def __init__(self, token):
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super().__init__()
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self.token = token
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self.whitelisted = True
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self._init_client()
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self.chats = {chat.id: chat.type for chat in BotChat.query.all()}
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async def start(self):
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await super().start()
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if not self.logged_in:
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await self.client.sign_in(bot_token=self.token)
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await self.post_login()
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return self
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async def post_login(self):
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info = await self.client.get_me()
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self.tgid = info.id
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chat_ids = [id for id, type in self.chats.items() if type == "chat"]
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response = await self.client(GetChatsRequest(chat_ids))
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for chat in response.chats:
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if isinstance(chat, ChatForbidden) or chat.left or chat.deactivated:
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self.remove_chat(chat.id)
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channel_ids = [InputChannel(id, 0)
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for id, type in self.chats.items()
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if type == "channel"]
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for id in channel_ids:
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try:
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await self.client(GetChannelsRequest([id]))
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except (ChannelPrivateError, ChannelInvalidError):
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self.remove_chat(id.channel_id)
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def add_chat(self, id, type):
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if id not in self.chats:
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self.chats[id] = type
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self.db.add(BotChat(id=id, type=type))
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self.db.commit()
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def remove_chat(self, id):
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try:
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del self.chats[id]
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except KeyError:
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pass
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self.db.delete(BotChat.query.get(id))
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self.db.commit()
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async def update(self, update):
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if not isinstance(update, (UpdateNewMessage, UpdateNewChannelMessage)):
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return
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elif not isinstance(update.message, MessageService):
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return
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to_id = update.message.to_id
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if isinstance(to_id, PeerChannel):
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to_id = to_id.channel_id
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type = "channel"
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elif isinstance(to_id, PeerChat):
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to_id = to_id.chat_id
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type = "chat"
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else:
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return
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action = update.message.action
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if isinstance(action, MessageActionChatAddUser):
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if self.tgid in action.users:
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self.add_chat(to_id, type)
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elif isinstance(action, MessageActionChatDeleteUser):
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if action.user_id == self.tgid:
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self.remove_chat(to_id)
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def is_in_chat(self, peer_id):
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return peer_id in self.chats
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@property
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def name(self):
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return "bot"
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def init(context):
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global config
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config = context.config
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token = config["telegram.bot_token"]
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if token:
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return Bot(token)
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return None
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