794 lines
27 KiB
Python
794 lines
27 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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import asyncio
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import json
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import logging as log
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from dataclasses import dataclass, field
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from datetime import datetime, timedelta
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from html import escape
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from typing import TYPE_CHECKING, Dict, List, Optional, Tuple, Union
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from urllib.parse import quote
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import nio
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from .html_markdown import HTML_PROCESSOR
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from .models.items import Presence, TypeSpecifier
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from .pyotherside_events import DevicesUpdated
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from .utils import classes_defined_in, plain2html
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if TYPE_CHECKING:
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from .matrix_client import MatrixClient
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@dataclass
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class NioCallbacks:
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"""Register callbacks for nio's request responses and events.
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For every class defined in the `nio.responses` and `nio.events` modules,
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this class can have a method named
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`on<ClassName>` (e.g. `onRoomMessageText`) that will
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automatically be registered in the `client`'s callbacks.
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For room event content strings, the `%1` and `%2` placeholders
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refer to the event's sender and who this event targets (`state_key`) or
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the redactor of this event.
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These are processed from QML, to allow for future translations of
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the strings.
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"""
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client: "MatrixClient" = field()
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def __post_init__(self) -> None:
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"""Register our methods as callbacks."""
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self.models = self.client.models
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for name, response_class in classes_defined_in(nio.responses).items():
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method = getattr(self, f"on{name}", None)
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if method:
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self.client.add_response_callback(method, response_class)
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for name, event_class in classes_defined_in(nio.events).items():
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method = getattr(self, f"on{name}", None)
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if not method:
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continue
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if issubclass(event_class, nio.EphemeralEvent):
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self.client.add_ephemeral_callback(method, event_class)
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elif issubclass(event_class, nio.ToDeviceEvent):
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self.client.add_to_device_callback(method, event_class)
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elif issubclass(event_class, nio.AccountDataEvent):
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self.client.add_room_account_data_callback(method, event_class)
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elif issubclass(event_class, nio.PresenceEvent):
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self.client.add_presence_callback(method, event_class)
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else:
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self.client.add_event_callback(method, event_class)
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@property
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def user_id(self) -> str:
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return self.client.user_id
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# Response callbacks
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async def onSyncResponse(self, resp: nio.SyncResponse) -> None:
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for room_id in resp.rooms.invite:
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await self.client.register_nio_room(self.client.all_rooms[room_id])
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for room_id, info in resp.rooms.join.items():
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await self.client.register_nio_room(self.client.rooms[room_id])
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if room_id not in self.client.past_tokens:
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self.client.past_tokens[room_id] = info.timeline.prev_batch
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for ev in info.state:
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if isinstance(ev, nio.PowerLevelsEvent):
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stored = self.client.power_level_events.get(room_id)
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time = ev.server_timestamp
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if not stored or time > stored.server_timestamp:
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self.client.power_level_events[room_id] = ev
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# TODO: way of knowing if a nio.MatrixRoom is left
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for room_id, info in resp.rooms.leave.items():
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# TODO: handle in nio, these are rooms that were left before
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# starting the client.
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if room_id not in self.client.all_rooms:
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continue
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# TODO: handle left events in nio async client
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for ev in info.timeline.events:
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if isinstance(ev, nio.RoomMemberEvent):
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await self.onRoomMemberEvent(
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self.client.all_rooms[room_id], ev,
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)
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await self.client.register_nio_room(
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self.client.all_rooms[room_id], left=True,
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)
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if not self.client.first_sync_done.is_set():
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self.client.first_sync_done.set()
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self.client.first_sync_date = datetime.now()
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account = self.models["accounts"][self.user_id]
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account.connecting = False
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async def onKeysQueryResponse(self, resp: nio.KeysQueryResponse) -> None:
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refresh_rooms = {}
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clients = self.client.backend.clients
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for user_id in resp.changed:
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for room in self.client.rooms.values():
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if user_id in room.users:
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refresh_rooms[room.room_id] = room
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if user_id != self.user_id and user_id in clients:
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await self.client.auto_verify_account(clients[user_id])
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for room_id, room in refresh_rooms.items():
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room_item = self.models[self.user_id, "rooms"].get(room_id)
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if room_item:
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room_item.unverified_devices = \
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self.client.room_contains_unverified(room_id)
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else:
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await self.client.register_nio_room(room)
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DevicesUpdated(self.user_id)
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# Room events, invite events and misc events callbacks
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async def onRoomMessageText(
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self, room: nio.MatrixRoom, ev: nio.RoomMessageText,
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) -> None:
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co = HTML_PROCESSOR.filter(
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ev.formatted_body
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if ev.format == "org.matrix.custom.html" else
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plain2html(ev.body),
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room_id = room.room_id,
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)
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mention_list = HTML_PROCESSOR.mentions_in_html(co)
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await self.client.register_nio_event(
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room, ev, content=co, mentions=mention_list,
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)
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async def onRoomMessageNotice(
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self, room: nio.MatrixRoom, ev: nio.RoomMessageNotice,
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) -> None:
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await self.onRoomMessageText(room, ev)
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async def onRoomMessageEmote(
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self, room: nio.MatrixRoom, ev: nio.RoomMessageEmote,
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) -> None:
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await self.onRoomMessageText(room, ev)
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async def onRoomMessageUnknown(
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self, room: nio.MatrixRoom, ev: nio.RoomMessageUnknown,
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) -> None:
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co = f"%1 sent an unsupported <b>{escape(ev.msgtype)}</b> message"
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomMessageMedia(
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self, room: nio.MatrixRoom, ev: nio.RoomMessageMedia,
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) -> None:
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info = ev.source["content"].get("info", {})
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media_crypt_dict = ev.source["content"].get("file", {})
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thumb_info = info.get("thumbnail_info", {})
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thumb_crypt_dict = info.get("thumbnail_file", {})
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await self.client.register_nio_event(
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room,
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ev,
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content = "",
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inline_content = ev.body,
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media_url = ev.url,
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media_title = ev.body,
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media_width = info.get("w") or 0,
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media_height = info.get("h") or 0,
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media_duration = info.get("duration") or 0,
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media_size = info.get("size") or 0,
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media_mime = info.get("mimetype") or "",
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media_crypt_dict = media_crypt_dict,
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thumbnail_url =
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info.get("thumbnail_url") or thumb_crypt_dict.get("url") or "",
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thumbnail_width = thumb_info.get("w") or 0,
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thumbnail_height = thumb_info.get("h") or 0,
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thumbnail_mime = thumb_info.get("mimetype") or "",
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thumbnail_crypt_dict = thumb_crypt_dict,
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)
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async def onRoomEncryptedMedia(
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self, room: nio.MatrixRoom, ev: nio.RoomEncryptedMedia,
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) -> None:
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await self.onRoomMessageMedia(room, ev)
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async def onRedactionEvent(
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self, room: nio.MatrixRoom, ev: nio.RedactionEvent,
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) -> None:
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model = self.models[self.user_id, room.room_id, "events"]
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event = None
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for existing in model._sorted_data:
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if existing.event_id == ev.redacts:
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event = existing
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break
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if not (
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event and
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(event.event_type is not nio.RedactedEvent or event.is_local_echo)
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):
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await self.client.register_nio_room(room)
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return
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event.source.source["content"] = {}
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event.source.source["unsigned"] = {
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"redacted_by": ev.event_id,
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"redacted_because": ev.source,
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}
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await self.onRedactedEvent(
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room,
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nio.RedactedEvent.from_dict(event.source.source),
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event_id = event.id,
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)
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async def onRedactedEvent(
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self, room: nio.MatrixRoom, ev: nio.RedactedEvent, event_id: str = "",
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) -> None:
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redacter_name, _, must_fetch_redacter = \
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await self.client.get_member_profile(room.room_id, ev.redacter) \
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if ev.redacter else ("", "", False)
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await self.client.register_nio_event(
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room,
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ev,
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event_id = event_id,
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reason = ev.reason or "",
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content = await self.client.get_redacted_event_content(
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type(ev), ev.redacter, ev.sender, ev.reason,
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),
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redacter_id = ev.redacter or "",
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redacter_name = redacter_name,
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override_fetch_profile = True,
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)
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async def onRoomCreateEvent(
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self, room: nio.MatrixRoom, ev: nio.RoomCreateEvent,
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) -> None:
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co = "%1 allowed users on other matrix servers to join this room" \
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if ev.federate else \
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"%1 blocked users on other matrix servers from joining this room"
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomGuestAccessEvent(
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self, room: nio.MatrixRoom, ev: nio.RoomGuestAccessEvent,
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) -> None:
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allowed = "allowed" if ev.guest_access == "can_join" else "forbad"
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co = f"%1 {allowed} guests to join the room"
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomJoinRulesEvent(
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self, room: nio.MatrixRoom, ev: nio.RoomJoinRulesEvent,
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) -> None:
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access = "public" if ev.join_rule == "public" else "invite-only"
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co = f"%1 made the room {access}"
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomHistoryVisibilityEvent(
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self, room: nio.MatrixRoom, ev: nio.RoomHistoryVisibilityEvent,
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) -> None:
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if ev.history_visibility == "shared":
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to = "all room members"
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elif ev.history_visibility == "world_readable":
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to = "any member or outsider"
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elif ev.history_visibility == "joined":
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to = "all room members, since the time they joined"
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elif ev.history_visibility == "invited":
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to = "all room members, since the time they were invited"
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else:
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to = "???"
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log.warning("Invalid visibility - %s",
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json.dumps(vars(ev), indent=4))
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co = f"%1 made future room history visible to {to}"
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await self.client.register_nio_event(room, ev, content=co)
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async def onPowerLevelsEvent(
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self, room: nio.MatrixRoom, ev: nio.PowerLevelsEvent,
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) -> None:
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levels = ev.power_levels
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stored = self.client.power_level_events.get(room.room_id)
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if not stored or ev.server_timestamp > stored.server_timestamp:
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self.client.power_level_events[room.room_id] = ev
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try:
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previous = ev.source["unsigned"]["prev_content"]
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except KeyError:
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previous = {}
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users_previous = previous.get("users", {})
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events_previous = previous.get("events", {})
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# Update room members who had their power level changed
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for user_id, level in levels.users.items():
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if user_id in room.users and level != users_previous.get(user_id):
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await self.client.add_member(room, user_id)
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# Event formatting
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changes: List[Tuple[str, int, int]] = []
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event_changes: List[Tuple[str, int, int]] = []
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user_changes: List[Tuple[str, int, int]] = []
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def lvl(level: int) -> str:
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return (
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f"Admin ({level})" if level == 100 else
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f"Moderator ({level})" if level >= 50 else
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f"User ({level})"
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)
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def format_defaults_dict(
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levels: Dict[str, Union[int, dict]],
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previous: Dict[str, Union[int, dict]],
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prefix: str = "",
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) -> None:
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for name, level in levels.items():
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if not prefix and name in ("users", "events"):
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continue
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if isinstance(level, dict):
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prev = previous.get(name, {})
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if not isinstance(prev, dict):
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prev = {}
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format_defaults_dict(level, prev, f"{prefix}{name}.")
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continue
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default_0 = ("users_default", "events_default", "invite")
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old = previous.get(
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name, 0 if not prefix and name in default_0 else 50,
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)
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if not isinstance(old, int):
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old = 50
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if level != old or not previous:
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changes.append((f"{prefix}{name}", old, level))
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format_defaults_dict(ev.source["content"], previous)
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# Minimum level to send event changes
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for ev_type, level in levels.events.items():
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old = events_previous.get(
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ev_type,
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levels.defaults.state_default
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if ev_type.startswith("m.room.") else
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levels.defaults.events_default,
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)
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if level != old or not previous:
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event_changes.append((ev_type, old, level))
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# User level changes
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for user_id, level in levels.users.items():
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old = users_previous.get(user_id, levels.defaults.users_default)
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if level != old or not previous:
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user_changes.append((user_id, old, level))
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# Gather and format changes
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if changes or event_changes or user_changes:
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changes.sort(key=lambda c: (c[2], c[0]))
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event_changes.sort(key=lambda c: (c[2], c[0]))
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user_changes.sort(key=lambda c: (c[2], c[0]))
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all_changes = changes + event_changes + user_changes
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if len(all_changes) == 1:
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co = HTML_PROCESSOR.from_markdown(
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"%%1 changed the level for **%s**: %s → %s " % (
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all_changes[0][0],
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lvl(all_changes[0][1]).lower(),
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lvl(all_changes[0][2]).lower(),
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),
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inline = True,
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)
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else:
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co = HTML_PROCESSOR.from_markdown("\n".join([
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"%1 changed the room's permissions",
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"",
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"Change | Previous | Current ",
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"--- | --- | ---",
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*[
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f"{name} | {lvl(old)} | {lvl(now)}"
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for name, old, now in all_changes
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],
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]))
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else:
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co = "%1 didn't change the room's permissions"
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await self.client.register_nio_event(room, ev, content=co)
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async def process_room_member_event(
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self, room: nio.MatrixRoom, ev: nio.RoomMemberEvent,
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) -> Optional[Tuple[TypeSpecifier, str]]:
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"""Return a `TypeSpecifier` and string describing a member event.
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Matrix member events can represent many actions:
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a user joined the room, a user banned another, a user changed their
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display name, etc.
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"""
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if ev.prev_content == ev.content:
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return None
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prev = ev.prev_content
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now = ev.content
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membership = ev.membership
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prev_membership = ev.prev_membership
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ev_date = datetime.fromtimestamp(ev.server_timestamp / 1000)
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member_change = TypeSpecifier.MembershipChange
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# Membership changes
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if not prev or membership != prev_membership:
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if self.client.backend.ui_settings["hideMembershipEvents"]:
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return None
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reason = escape(
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f", reason: {now['reason']}" if now.get("reason") else "",
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)
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if membership == "join":
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return (
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member_change,
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"%1 accepted their invitation"
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if prev and prev_membership == "invite" else
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"%1 joined the room",
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)
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if membership == "invite":
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return (member_change, "%1 invited %2 to the room")
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if membership == "leave":
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if ev.state_key == ev.sender:
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return (
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member_change,
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f"%1 declined their invitation{reason}"
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if prev and prev_membership == "invite" else
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f"%1 left the room{reason}",
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)
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return (
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member_change,
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f"%1 withdrew %2's invitation{reason}"
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if prev and prev_membership == "invite" else
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f"%1 unbanned %2 from the room{reason}"
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if prev and prev_membership == "ban" else
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f"%1 kicked %2 out from the room{reason}",
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)
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if membership == "ban":
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return (member_change, f"%1 banned %2 from the room{reason}")
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# Profile changes
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changed = []
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if prev and now.get("avatar_url") != prev.get("avatar_url"):
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changed.append("profile picture") # TODO: <img>s
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if prev and now.get("displayname") != prev.get("displayname"):
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changed.append('display name from "{}" to "{}"'.format(
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escape(prev.get("displayname") or ev.state_key),
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escape(now.get("displayname") or ev.state_key),
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))
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if changed:
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# Update our account profile if the event is newer than last update
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if ev.state_key == self.user_id:
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account = self.models["accounts"][self.user_id]
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|
|
if account.profile_updated < ev_date:
|
|
account.set_fields(
|
|
profile_updated = ev_date,
|
|
display_name = now.get("displayname") or "",
|
|
avatar_url = now.get("avatar_url") or "",
|
|
)
|
|
|
|
if self.client.backend.ui_settings["hideProfileChangeEvents"]:
|
|
return None
|
|
|
|
return (
|
|
TypeSpecifier.ProfileChange,
|
|
"%1 changed their {}".format(" and ".join(changed)),
|
|
)
|
|
|
|
log.warning("Unknown member event: %s", json.dumps(vars(ev), indent=4))
|
|
return None
|
|
|
|
|
|
async def onRoomMemberEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomMemberEvent,
|
|
) -> None:
|
|
# The event can be a past event, don't trust it to update the model
|
|
# room's current state.
|
|
if ev.state_key in room.users:
|
|
await self.client.add_member(room, user_id=ev.state_key)
|
|
else:
|
|
await self.client.remove_member(room, user_id=ev.state_key)
|
|
|
|
type_and_content = await self.process_room_member_event(room, ev)
|
|
|
|
if type_and_content is not None:
|
|
type_specifier, content = type_and_content
|
|
|
|
await self.client.register_nio_event(
|
|
room, ev, content=content, type_specifier=type_specifier,
|
|
)
|
|
else:
|
|
# Normally, register_nio_event() will call register_nio_room().
|
|
# but in this case we don't have any event we want to register.
|
|
await self.client.register_nio_room(room)
|
|
|
|
|
|
async def onRoomAliasEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomAliasEvent,
|
|
) -> None:
|
|
if ev.canonical_alias:
|
|
url = f"https://matrix.to/#/{quote(ev.canonical_alias)}"
|
|
link = f"<a href='{url}'>{escape(ev.canonical_alias)}</a>"
|
|
co = f"%1 set the room's main address to {link}"
|
|
else:
|
|
co = "%1 removed the room's main address"
|
|
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onRoomNameEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomNameEvent,
|
|
) -> None:
|
|
if ev.name:
|
|
co = f"%1 changed the room's name to \"{escape(ev.name)}\""
|
|
else:
|
|
co = "%1 removed the room's name"
|
|
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onRoomAvatarEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomAvatarEvent,
|
|
) -> None:
|
|
if ev.avatar_url:
|
|
co = "%1 changed the room's picture"
|
|
else:
|
|
co = "%1 removed the room's picture"
|
|
|
|
await self.client.register_nio_event(
|
|
room, ev, content=co, media_url=ev.avatar_url,
|
|
)
|
|
|
|
|
|
async def onRoomTopicEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomTopicEvent,
|
|
) -> None:
|
|
if ev.topic:
|
|
topic = HTML_PROCESSOR.filter(
|
|
plain2html(ev.topic), inline=True, room_id=room.room_id,
|
|
)
|
|
co = f"%1 changed the room's topic to \"{topic}\""
|
|
else:
|
|
co = "%1 removed the room's topic"
|
|
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onRoomEncryptionEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.RoomEncryptionEvent,
|
|
) -> None:
|
|
co = "%1 turned on encryption for this room"
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onMegolmEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.MegolmEvent,
|
|
) -> None:
|
|
co = "%1 sent an undecryptable message"
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onBadEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.BadEvent,
|
|
) -> None:
|
|
co = f"%1 sent a malformed <b>{escape(ev.type)}</b> event"
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onUnknownBadEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.UnknownBadEvent,
|
|
) -> None:
|
|
co = "%1 sent a malformed event lacking a minimal structure"
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onUnknownEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.UnknownEvent,
|
|
) -> None:
|
|
if self.client.backend.ui_settings["hideUnknownEvents"]:
|
|
await self.client.register_nio_room(room)
|
|
return
|
|
|
|
co = f"%1 sent an unsupported <b>{escape(ev.type)}</b> event"
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onUnknownEncryptedEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.UnknownEncryptedEvent,
|
|
) -> None:
|
|
co = (
|
|
f"%1 sent an <b>{escape(ev.type)}</b> event encrypted with "
|
|
f"unsupported <b>{escape(ev.algorithm)}</b> algorithm"
|
|
)
|
|
await self.client.register_nio_event(room, ev, content=co)
|
|
|
|
|
|
async def onInviteEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.InviteEvent,
|
|
) -> None:
|
|
await self.client.register_nio_room(room)
|
|
|
|
|
|
# Ephemeral event callbacks
|
|
|
|
async def onTypingNoticeEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.TypingNoticeEvent,
|
|
) -> None:
|
|
# Prevent recent past typing notices from being shown for a split
|
|
# second on client startup:
|
|
if not self.client.first_sync_done.is_set():
|
|
return
|
|
|
|
await self.client.register_nio_room(room)
|
|
|
|
room_id = room.room_id
|
|
|
|
room_item = self.models[self.user_id, "rooms"][room_id]
|
|
|
|
room_item.typing_members = sorted(
|
|
room.user_name(user_id) or user_id for user_id in ev.users
|
|
if user_id not in self.client.backend.clients
|
|
)
|
|
|
|
|
|
async def onReceiptEvent(
|
|
self, room: nio.MatrixRoom, ev: nio.ReceiptEvent,
|
|
) -> None:
|
|
model = self.models[self.user_id, room.room_id, "members"]
|
|
|
|
for receipt in ev.receipts:
|
|
if receipt.receipt_type != "m.read":
|
|
continue
|
|
|
|
member = model.get(receipt.user_id)
|
|
|
|
if member:
|
|
timestamp = receipt.timestamp / 1000
|
|
member.set_fields(
|
|
last_read_event = receipt.event_id,
|
|
last_read_at = datetime.fromtimestamp(timestamp),
|
|
)
|
|
|
|
|
|
# Presence event callbacks
|
|
|
|
async def onPresenceEvent(self, ev: nio.PresenceEvent) -> None:
|
|
presence = self.client.backend.presences.get(ev.user_id, Presence())
|
|
|
|
presence.currently_active = ev.currently_active or False
|
|
presence.status_msg = ev.status_msg or ""
|
|
presence.last_active_at = (
|
|
datetime.now() - timedelta(milliseconds=ev.last_active_ago)
|
|
) if ev.last_active_ago else datetime.fromtimestamp(0)
|
|
|
|
presence.presence = Presence.State(ev.presence) if ev.presence\
|
|
else Presence.State.offline
|
|
|
|
# Add all existing members related to this presence
|
|
for room_id in self.models[self.user_id, "rooms"]:
|
|
member = self.models[self.user_id, room_id, "members"].get(
|
|
ev.user_id,
|
|
)
|
|
|
|
if member:
|
|
presence.members[room_id] = member
|
|
|
|
# Update members and accounts
|
|
presence.update_members()
|
|
|
|
# Check if presence event is ours
|
|
if (
|
|
ev.user_id in self.models["accounts"] and
|
|
self.models["accounts"][ev.user_id].presence !=
|
|
Presence.State.offline and
|
|
not (
|
|
presence.presence == Presence.State.offline and
|
|
self.models["accounts"][ev.user_id].presence !=
|
|
Presence.State.echo_invisible
|
|
)
|
|
):
|
|
account = self.models["accounts"][ev.user_id]
|
|
|
|
# Set status_msg if none is set on the server and we have one
|
|
if (
|
|
not presence.status_msg and
|
|
account.status_msg and
|
|
ev.user_id in self.client.backend.clients and
|
|
account.presence != Presence.State.echo_invisible
|
|
):
|
|
asyncio.ensure_future(
|
|
self.client.backend.clients[ev.user_id].set_presence(
|
|
presence.presence.value,
|
|
account.status_msg,
|
|
),
|
|
)
|
|
|
|
# Do not fight back presence from other clients
|
|
self.client.backend.clients[ev.user_id]._presence = ev.presence
|
|
|
|
# Servers that send presence events support presence
|
|
account.presence_support = True
|
|
|
|
# Save the presence for the next resume
|
|
if account.save_presence:
|
|
status_msg = presence.status_msg
|
|
state = presence.presence
|
|
|
|
if account.presence == Presence.State.echo_invisible:
|
|
status_msg = account.status_msg
|
|
state = Presence.State.invisible
|
|
|
|
await self.client.backend.saved_accounts.update(
|
|
user_id = ev.user_id,
|
|
status_msg = status_msg,
|
|
presence = state.value,
|
|
)
|
|
|
|
presence.update_account()
|
|
|
|
self.client.backend.presences[ev.user_id] = presence
|