73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
|
|
# Copyright (C) 2021 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 __future__ import annotations
|
|
|
|
from mautrix.appservice import IntentAPI
|
|
from mautrix.errors import MatrixRequestError
|
|
from mautrix.types import EventType, PowerLevelStateEventContent, RoomID
|
|
|
|
from ... import user as u
|
|
from .. import CommandEvent
|
|
|
|
|
|
async def get_initial_state(
|
|
intent: IntentAPI, room_id: RoomID
|
|
) -> tuple[str | None, str | None, PowerLevelStateEventContent | None, bool]:
|
|
state = await intent.get_state(room_id)
|
|
title: str | None = None
|
|
about: str | None = None
|
|
levels: PowerLevelStateEventContent | None = None
|
|
encrypted: bool = False
|
|
for event in state:
|
|
try:
|
|
if event.type == EventType.ROOM_NAME:
|
|
title = event.content.name
|
|
elif event.type == EventType.ROOM_TOPIC:
|
|
about = event.content.topic
|
|
elif event.type == EventType.ROOM_POWER_LEVELS:
|
|
levels = event.content
|
|
elif event.type == EventType.ROOM_CANONICAL_ALIAS:
|
|
title = title or event.content.canonical_alias
|
|
elif event.type == EventType.ROOM_ENCRYPTION:
|
|
encrypted = True
|
|
except KeyError:
|
|
# Some state event probably has empty content
|
|
pass
|
|
return title, about, levels, encrypted
|
|
|
|
|
|
async def warn_missing_power(levels: PowerLevelStateEventContent, evt: CommandEvent) -> None:
|
|
if levels.get_user_level(evt.az.bot_mxid) < levels.redact:
|
|
await evt.reply(
|
|
"Warning: The bot does not have privileges to redact messages on Matrix. "
|
|
"Message deletions from Telegram will not be bridged unless you give "
|
|
f"redaction permissions to [{evt.az.bot_mxid}](https://matrix.to/#/{evt.az.bot_mxid})"
|
|
)
|
|
|
|
|
|
async def user_has_power_level(
|
|
room_id: RoomID, intent: IntentAPI, sender: u.User, event: str
|
|
) -> bool:
|
|
if sender.is_admin:
|
|
return True
|
|
# Make sure the state store contains the power levels.
|
|
try:
|
|
await intent.get_power_levels(room_id)
|
|
except MatrixRequestError:
|
|
return False
|
|
event_type = EventType.find(f"fi.mau.telegram.{event}", t_class=EventType.Class.STATE)
|
|
return await intent.state_store.has_power_level(room_id, sender.mxid, event_type)
|