mautrix-signal/mautrix_signal/matrix.py
2020-09-28 02:03:47 +03:00

142 lines
5.8 KiB
Python

# mautrix-signal - A Matrix-Signal puppeting bridge
# Copyright (C) 2020 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, TYPE_CHECKING
from mautrix.bridge import BaseMatrixHandler
from mautrix.types import (Event, ReactionEvent, MessageEvent, StateEvent, EncryptedEvent, RoomID,
EventID, UserID, ReactionEventContent, RelationType, EventType,
ReceiptEvent, TypingEvent, PresenceEvent, RedactionEvent)
from .db import Message as DBMessage
from . import commands as com, puppet as pu, portal as po, user as u
if TYPE_CHECKING:
from .__main__ import SignalBridge
class MatrixHandler(BaseMatrixHandler):
commands: 'com.CommandProcessor'
def __init__(self, bridge: 'SignalBridge') -> None:
prefix, suffix = bridge.config["bridge.username_template"].format(userid=":").split(":")
homeserver = bridge.config["homeserver.domain"]
self.user_id_prefix = f"@{prefix}"
self.user_id_suffix = f"{suffix}:{homeserver}"
super().__init__(command_processor=com.CommandProcessor(bridge), bridge=bridge)
def filter_matrix_event(self, evt: Event) -> bool:
if not isinstance(evt, (ReactionEvent, MessageEvent, StateEvent, EncryptedEvent,
RedactionEvent)):
return True
return (evt.sender == self.az.bot_mxid
or pu.Puppet.get_id_from_mxid(evt.sender) is not None)
async def send_welcome_message(self, room_id: RoomID, inviter: 'u.User') -> None:
await super().send_welcome_message(room_id, inviter)
if not inviter.notice_room:
inviter.notice_room = room_id
await inviter.update()
await self.az.intent.send_notice(room_id, "This room has been marked as your "
"Signal bridge notice room.")
async def handle_leave(self, room_id: RoomID, user_id: UserID, event_id: EventID) -> None:
portal = await po.Portal.get_by_mxid(room_id)
if not portal:
return
user = await u.User.get_by_mxid(user_id, create=False)
if not user:
return
await portal.handle_matrix_leave(user)
@staticmethod
async def allow_bridging_message(user: 'u.User', portal: 'po.Portal') -> bool:
return user.is_whitelisted and bool(user.username)
# @staticmethod
# async def handle_redaction(room_id: RoomID, user_id: UserID, event_id: EventID,
# redaction_event_id: EventID) -> None:
# user = await u.User.get_by_mxid(user_id)
# if not user:
# return
#
# portal = await po.Portal.get_by_mxid(room_id)
# if not portal:
# return
#
# await portal.handle_matrix_redaction(user, event_id, redaction_event_id)
@classmethod
async def handle_reaction(cls, room_id: RoomID, user_id: UserID, event_id: EventID,
content: ReactionEventContent) -> None:
if content.relates_to.rel_type != RelationType.ANNOTATION:
cls.log.debug(f"Ignoring m.reaction event in {room_id} from {user_id} with unexpected "
f"relation type {content.relates_to.rel_type}")
return
user = await u.User.get_by_mxid(user_id)
if not user:
return
portal = await po.Portal.get_by_mxid(room_id)
if not portal:
return
await portal.handle_matrix_reaction(user, event_id, content.relates_to.event_id,
content.relates_to.key)
@staticmethod
async def handle_receipt(evt: ReceiptEvent) -> None:
# These events come from custom puppet syncing, so there's always only one user.
event_id, receipts = evt.content.popitem()
receipt_type, users = receipts.popitem()
user_id, data = users.popitem()
user = await u.User.get_by_mxid(user_id, create=False)
if not user or not user.client:
return
portal = await po.Portal.get_by_mxid(evt.room_id)
if not portal:
return
message = await DBMessage.get_by_mxid(event_id, portal.mxid)
if not message:
return
# user.log.debug(f"Marking messages in {portal.twid} read up to {message.twid}")
# await user.client.conversation(portal.twid).mark_read(message.twid)
@staticmethod
async def handle_typing(room_id: RoomID, typing: List[UserID]) -> None:
# TODO implement
pass
async def handle_event(self, evt: Event) -> None:
if evt.type == EventType.ROOM_REDACTION:
evt: RedactionEvent
# await self.handle_redaction(evt.room_id, evt.sender, evt.redacts, evt.event_id)
elif evt.type == EventType.REACTION:
evt: ReactionEvent
await self.handle_reaction(evt.room_id, evt.sender, evt.event_id, evt.content)
async def handle_ephemeral_event(self, evt: Union[ReceiptEvent, PresenceEvent, TypingEvent]
) -> None:
if evt.type == EventType.TYPING:
await self.handle_typing(evt.room_id, evt.content.user_ids)
elif evt.type == EventType.RECEIPT:
await self.handle_receipt(evt)