forked from fair/matrix-puppeteer-line
256 lines
10 KiB
Python
256 lines
10 KiB
Python
# matrix-puppeteer-line - A very hacky Matrix-LINE bridge based on running LINE's Chrome extension in Puppeteer
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# Copyright (C) 2020-2021 Tulir Asokan, Andrew Ferrazzutti
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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 Dict, List, Optional, TYPE_CHECKING, cast
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from collections import defaultdict
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import asyncio
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from mautrix.bridge import BaseUser
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from mautrix.types import UserID, RoomID
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from mautrix.appservice import AppService, IntentAPI
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from mautrix.util.opt_prometheus import Gauge
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from .db import User as DBUser, Portal as DBPortal, Message as DBMessage, Receipt as DBReceipt
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from .config import Config
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from .rpc import Client, Message, Receipt
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from . import puppet as pu, portal as po
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if TYPE_CHECKING:
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from .__main__ import MessagesBridge
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METRIC_CONNECTED = Gauge("bridge_connected", "Users connected to LINE")
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class User(DBUser, BaseUser):
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by_mxid: Dict[UserID, 'User'] = {}
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config: Config
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az: AppService
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loop: asyncio.AbstractEventLoop
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client: Optional[Client]
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intent: Optional[IntentAPI]
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is_real_user = True
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is_syncing: bool
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_notice_room_lock: asyncio.Lock
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_connection_check_task: Optional[asyncio.Task]
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def __init__(self, mxid: UserID, notice_room: Optional[RoomID] = None) -> None:
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super().__init__(mxid=mxid, notice_room=notice_room)
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self._notice_room_lock = asyncio.Lock()
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self.command_status = None
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self.is_whitelisted = self.is_admin = self.config["bridge.user"] == mxid
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self.log = self.log.getChild(self.mxid)
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self._metric_value = defaultdict(lambda: False)
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self._connection_check_task = None
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self.client = None
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self.intent = None
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self.is_syncing = False
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@classmethod
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def init_cls(cls, bridge: 'MessagesBridge') -> None:
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cls.config = bridge.config
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cls.az = bridge.az
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cls.loop = bridge.loop
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Client.config = bridge.config
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async def send_bridge_notice(self, text) -> None:
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if self.notice_room:
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self.log.debug(f"Sending bridge notice: {text}")
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await self.az.intent.send_notice(self.notice_room, text)
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@property
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def own_id(self) -> str:
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# Remove characters that will conflict with mxid grammar
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return f"_OWN_{self.mxid[1:].replace(':', '_ON_')}"
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async def get_own_puppet(self) -> 'pu.Puppet':
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return await pu.Puppet.get_by_mid(self.own_id)
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async def is_logged_in(self) -> bool:
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try:
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return self.client and (await self.client.start()).is_logged_in
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except Exception:
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return False
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async def try_connect(self) -> None:
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try:
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await self.connect()
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except Exception:
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self.log.exception("Error while connecting to puppeteer script")
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async def connect_double_puppet(self) -> None:
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self.log.debug("Trying to log in with shared secret")
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try:
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access_token = await pu.Puppet._login_with_shared_secret(self.mxid)
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if not access_token:
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self.log.warning("Failed to log in with shared secret")
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return
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self.log.debug("Logged in with shared secret")
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self.intent = self.az.intent.user(self.mxid, access_token)
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except Exception:
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self.log.exception("Error logging in with shared secret")
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async def connect(self) -> None:
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self.loop.create_task(self.connect_double_puppet())
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self.client = Client(self.mxid, self.own_id, self.config["appservice.ephemeral_events"])
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self.log.debug("Starting client")
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await self.send_bridge_notice("Starting up...")
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state = await self.client.start()
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await self.client.on_message(self.handle_message)
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await self.client.on_receipt(self.handle_receipt)
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await self.client.on_logged_out(self.handle_logged_out)
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if state.is_connected:
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self._track_metric(METRIC_CONNECTED, True)
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if state.is_logged_in:
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await self.send_bridge_notice("Already logged in to LINE")
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self.loop.create_task(self._try_sync())
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else:
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await self.send_bridge_notice("Ready to log in to LINE")
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async def _try_sync(self) -> None:
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try:
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await self.sync()
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except Exception:
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self.log.exception("Exception while syncing")
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async def _check_connection_loop(self) -> None:
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while True:
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self._track_metric(METRIC_CONNECTED, await self.client.is_connected())
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await asyncio.sleep(5)
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async def sync(self, limit: int = 0) -> None:
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await self.sync_contacts()
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# TODO Use some kind of async lock / event to queue syncing actions
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self.is_syncing = True
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if self._connection_check_task:
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self._connection_check_task.cancel()
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self._connection_check_task = self.loop.create_task(self._check_connection_loop())
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await self.client.pause()
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try:
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await self.sync_own_profile()
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await self.client.set_last_message_ids(
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await DBMessage.get_max_mids(),
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await DBMessage.get_max_outgoing_mids(),
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await DBReceipt.get_max_mids_per_num_read())
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if limit <= 0:
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limit = self.config["bridge.initial_conversation_sync"]
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if limit == 0:
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self.log.info("Skipping chat sync")
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return
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self.log.info("Syncing chats")
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await self.send_bridge_notice("Synchronizing chats...")
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# TODO Since only chat ID is used, retrieve only that
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chat_infos = await self.client.get_chats()
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for chat_info in chat_infos[:limit]:
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portal = await po.Portal.get_by_chat_id(chat_info.id, create=True)
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chat_info_full = await self.client.get_chat(chat_info.id)
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await portal.create_matrix_room(self, chat_info_full)
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await self.send_bridge_notice("Chat synchronization complete")
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finally:
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await self.client.resume()
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self.is_syncing = False
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async def sync_contacts(self) -> None:
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await self.send_bridge_notice("Synchronizing contacts...")
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contacts = await self.client.get_contacts()
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for contact in contacts:
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puppet = await pu.Puppet.get_by_mid(contact.id)
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await puppet.update_info(contact, self.client)
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await self.send_bridge_notice("Contact synchronization complete")
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async def sync_portal(self, portal: 'po.Portal') -> None:
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chat_id = portal.chat_id
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self.log.info(f"Viewing (and syncing) chat {chat_id}")
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await self.client.pause()
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try:
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chat = await self.client.get_chat(chat_id, True)
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await portal.update_matrix_room(self, chat)
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finally:
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await self.client.resume()
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async def sync_own_profile(self) -> None:
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self.log.info("Syncing own LINE profile info")
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own_profile = await self.client.get_own_profile()
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puppet = await self.get_own_puppet()
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await puppet.update_info(own_profile, self.client)
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async def stop(self) -> None:
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# TODO Notices for shutdown messages
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if self._connection_check_task:
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self._connection_check_task.cancel()
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self._connection_check_task = None
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if self.client:
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await self.client.stop()
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async def get_direct_chats(self) -> Dict[UserID, List[RoomID]]:
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return {
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pu.Puppet.get_mxid_from_id(portal.other_user): [portal.mxid]
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for portal in await DBPortal.find_private_chats()
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if portal.mxid
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}
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async def handle_message(self, evt: Message) -> None:
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self.log.trace("Received message %s", evt)
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portal = await po.Portal.get_by_chat_id(evt.chat_id, create=True)
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if not portal.mxid:
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await self.client.set_last_message_ids(
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await DBMessage.get_max_mids(),
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await DBMessage.get_max_outgoing_mids(),
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await DBReceipt.get_max_mids_per_num_read())
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chat_info = await self.client.get_chat(evt.chat_id)
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await portal.create_matrix_room(self, chat_info)
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await portal.handle_remote_message(self, evt)
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async def handle_receipt(self, receipt: Receipt) -> None:
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self.log.trace(f"Received receipt for chat {receipt.chat_id}")
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portal = await po.Portal.get_by_chat_id(receipt.chat_id, create=True)
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if not portal.mxid:
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chat_info = await self.client.get_chat(receipt.chat_id)
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await portal.create_matrix_room(self, chat_info)
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await portal.handle_remote_receipt(receipt)
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async def handle_logged_out(self) -> None:
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await self.send_bridge_notice("Logged out of LINE. Please run either \"login-qr\" or \"login-email\" to log back in.")
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if self._connection_check_task:
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self._connection_check_task.cancel()
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self._connection_check_task = None
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def _add_to_cache(self) -> None:
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self.by_mxid[self.mxid] = self
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@classmethod
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async def get_by_mxid(cls, mxid: UserID, create: bool = True) -> Optional['User']:
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try:
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return cls.by_mxid[mxid]
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except KeyError:
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pass
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user = cast(cls, await super().get_by_mxid(mxid))
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if user is not None:
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user._add_to_cache()
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return user
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if create:
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user = cls(mxid)
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await user.insert()
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user._add_to_cache()
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return user
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return None
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