Files
mautrix-telegram/mautrix_telegram/bot.py
T
2018-02-18 12:03:35 +02:00

119 lines
3.7 KiB
Python

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