Tulir Asokan
63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2019 Tulir Asokan
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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 Tuple, Optional
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from mautrix.errors import MatrixRequestError
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from mautrix.appservice import IntentAPI
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from mautrix.types import RoomID, EventType, PowerLevelStateEventContent
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from ... import user as u
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OptStr = Optional[str]
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async def get_initial_state(intent: IntentAPI, room_id: RoomID
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) -> Tuple[OptStr, OptStr, Optional[PowerLevelStateEventContent], bool]:
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state = await intent.get_state(room_id)
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title: OptStr = None
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about: OptStr = None
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levels: Optional[PowerLevelStateEventContent] = None
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encrypted: bool = False
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for event in state:
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try:
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if event.type == EventType.ROOM_NAME:
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title = event.content.name
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elif event.type == EventType.ROOM_TOPIC:
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about = event.content.topic
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elif event.type == EventType.ROOM_POWER_LEVELS:
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levels = event.content
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elif event.type == EventType.ROOM_CANONICAL_ALIAS:
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title = title or event.content.canonical_alias
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elif event.type == EventType.ROOM_ENCRYPTION:
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encrypted = True
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except KeyError:
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# Some state event probably has empty content
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pass
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return title, about, levels, encrypted
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async def user_has_power_level(room_id: RoomID, intent: IntentAPI, sender: u.User,
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event: str) -> bool:
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if sender.is_admin:
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return True
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# Make sure the state store contains the power levels.
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try:
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await intent.get_power_levels(room_id)
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except MatrixRequestError:
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return False
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event_type = EventType.find(f"net.maunium.telegram.{event}", t_class=EventType.Class.STATE)
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return await intent.state_store.has_power_level(room_id, sender.mxid, event_type)
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