matrix-appservice-kakaotalk/matrix_appservice_kakaotalk/matrix.py

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# matrix-appservice-kakaotalk - A Matrix-KakaoTalk puppeting bridge.
# Copyright (C) 2022 Tulir Asokan, Andrew Ferrazzutti
#
# 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 __future__ import annotations
from typing import TYPE_CHECKING
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from mautrix.bridge import BaseMatrixHandler
from mautrix.types import (
Event,
EventID,
EventType,
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ReceiptEvent,
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RedactionEvent,
RoomID,
SingleReceiptEventContent,
StateEvent,
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UserID,
)
from . import portal as po, puppet as pu, user as u
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from .db import Message as DBMessage
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if TYPE_CHECKING:
from .__main__ import KakaoTalkBridge
class MatrixHandler(BaseMatrixHandler):
def __init__(self, bridge: KakaoTalkBridge) -> 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__(bridge=bridge)
@staticmethod
async def allow_bridging_message(user: u.User, portal: po.Portal) -> bool:
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if user.is_connected:
return True
if user.relay_whitelisted and portal.has_relay:
relay_user = await portal.get_relay_user()
return relay_user and relay_user.is_connected
return False
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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.save()
await self.az.intent.send_notice(
room_id, "This room has been marked as your KakaoTalk bridge notice room."
)
async def handle_puppet_dm_invite(
self, room_id: RoomID, puppet: pu.Puppet, invited_by: u.User, evt: StateEvent
) -> None:
# TODO Make upstream request to return custom failure message,
# instead of having to reimplement the entire function
portal = await invited_by.get_portal_with(puppet)
if portal:
await portal.accept_matrix_dm(room_id, invited_by, puppet)
else:
await puppet.default_mxid_intent.leave_room(
room_id, reason="Unable to create a DM for this KakaoTalk user"
)
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async def handle_invite(
self, room_id: RoomID, user_id: UserID, invited_by: u.User, event_id: EventID
) -> None:
# TODO handle puppet and user invites for group chats
# The rest can probably be ignored
pass
async def handle_join(self, room_id: RoomID, user_id: UserID, event_id: EventID) -> None:
user = await u.User.get_by_mxid(user_id)
portal = await po.Portal.get_by_mxid(room_id)
if not portal:
return
if not user.relay_whitelisted:
await portal.main_intent.kick_user(
room_id, user.mxid, "You are not whitelisted on this KakaoTalk bridge."
)
return
elif (
not user.is_connected
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and not portal.has_relay
and not self.config["bridge.allow_invites"]
):
await portal.main_intent.kick_user(
room_id, user.mxid, "You are not connected to this KakaoTalk bridge."
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)
return
self.log.debug(f"{user.mxid} joined {room_id}")
# await portal.join_matrix(user, event_id)
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 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)
""" TODO
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@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 or not user.is_connected:
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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
)
"""
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async def handle_read_receipt(
self,
user: u.User,
portal: po.Portal,
event_id: EventID,
data: SingleReceiptEventContent,
) -> None:
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if not user.is_connected:
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return
message = await DBMessage.get_by_mxid(event_id, portal.mxid)
if message:
await user.client.mark_read(portal.channel_props, message.ktid)
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async def handle_ephemeral_event(
self, evt: ReceiptEvent | Event
) -> None:
if evt.type == EventType.RECEIPT:
await self.handle_receipt(evt)
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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)
""" TODO
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elif evt.type == EventType.REACTION:
evt: ReactionEvent
await self.handle_reaction(evt.room_id, evt.sender, evt.event_id, evt.content)
"""
async def handle_state_event(self, evt: StateEvent) -> None:
if po.Portal.supports_state_event(evt.type):
user = await u.User.get_by_mxid(evt.sender)
if not user:
return
portal = await po.Portal.get_by_mxid(evt.room_id)
if not portal:
return
await portal.handle_matrix_state_event(user, evt)