873 lines
29 KiB
Python
873 lines
29 KiB
Python
import asyncio
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import html
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import io
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import logging as log
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import platform
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import re
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import traceback
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from contextlib import suppress
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from datetime import datetime
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from pathlib import Path
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from typing import (
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Any, DefaultDict, Dict, NamedTuple, Optional, Set, Tuple, Type, Union,
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)
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from urllib.parse import urlparse
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from uuid import UUID, uuid4
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import cairosvg
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from PIL import Image as PILImage
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from pymediainfo import MediaInfo
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import nio
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from nio.crypto import AsyncDataT as UploadData
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from nio.crypto import async_generator_from_data
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from . import __about__, utils
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from .errors import (
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BadMimeType, InvalidUserId, InvalidUserInContext, MatrixError,
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UneededThumbnail, UserNotFound,
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)
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from .html_filter import HTML_FILTER
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from .models.items import (
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Account, Event, Member, Room, TypeSpecifier, Upload, UploadStatus,
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)
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from .models.model_store import ModelStore
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from .pyotherside_events import AlertRequested
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CryptDict = Dict[str, Any]
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class UploadReturn(NamedTuple):
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mxc: str
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mime: str
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decryption_dict: Dict[str, Any]
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class MatrixImageInfo(NamedTuple):
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w: int
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h: int
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mimetype: str
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size: int
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class MatrixClient(nio.AsyncClient):
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def __init__(self,
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backend,
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user: str,
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homeserver: str = "https://matrix.org",
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device_id: Optional[str] = None) -> None:
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if not urlparse(homeserver).scheme:
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raise ValueError(
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f"homeserver is missing scheme (e.g. https://): {homeserver}",
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)
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store = Path(backend.app.appdirs.user_data_dir) / "encryption"
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store.mkdir(parents=True, exist_ok=True)
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super().__init__(
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homeserver = homeserver,
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user = user,
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device_id = device_id,
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store_path = store,
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config = nio.AsyncClientConfig(
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max_timeout_retry_wait_time = 10,
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# TODO: pass a custom encryption DB pickle key?
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),
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)
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from .backend import Backend
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self.backend: Backend = backend
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self.models: ModelStore = self.backend.models
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self.profile_task: Optional[asyncio.Future] = None
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self.sync_task: Optional[asyncio.Future] = None
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self.load_rooms_task: Optional[asyncio.Future] = None
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self.first_sync_done: asyncio.Event = asyncio.Event()
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self.first_sync_date: Optional[datetime] = None
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self.send_locks: DefaultDict[str, asyncio.Lock] = \
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DefaultDict(asyncio.Lock) # {room_id: lock}
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self.past_tokens: Dict[str, str] = {} # {room_id: token}
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self.fully_loaded_rooms: Set[str] = set() # {room_id}
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self.loaded_once_rooms: Set[str] = set() # {room_id}
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self.cleared_events_rooms: Set[str] = set() # {room_id}
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self.local_echoes_uuid: Set[str] = set()
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self.resolved_echoes: Dict[str, str] = {} # {event_id: echo_uuid}
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self.skipped_events: DefaultDict[str, int] = DefaultDict(lambda: 0)
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from .nio_callbacks import NioCallbacks
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self.nio_callbacks = NioCallbacks(self)
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def __repr__(self) -> str:
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return "%s(user_id=%r, homeserver=%r, device_id=%r)" % (
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type(self).__name__, self.user_id, self.homeserver, self.device_id,
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)
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@property
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def default_device_name(self) -> str:
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os_ = f" on {platform.system()}".rstrip()
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os_ = f"{os_} {platform.release()}".rstrip() if os_ != " on" else ""
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return f"{__about__.__pretty_name__}{os_}"
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async def login(self, password: str, device_name: str = "") -> None:
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response = await super().login(
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password, device_name or self.default_device_name,
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)
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if isinstance(response, nio.LoginError):
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raise MatrixError.from_nio(response)
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asyncio.ensure_future(self.start())
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async def resume(self, user_id: str, token: str, device_id: str) -> None:
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response = nio.LoginResponse(user_id, device_id, token)
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await self.receive_response(response)
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asyncio.ensure_future(self.start())
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async def logout(self) -> None:
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for task in (self.profile_task, self.load_rooms_task, self.sync_task):
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if task:
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task.cancel()
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with suppress(asyncio.CancelledError):
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await task
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await super().logout()
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await self.close()
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async def start(self) -> None:
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def on_profile_response(future) -> None:
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exception = future.exception()
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if exception:
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log.warn("On %s client startup: %s", self.user_id, exception)
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return
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resp = future.result()
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account = self.models[Account][self.user_id]
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account.profile_updated = datetime.now()
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account.display_name = resp.displayname or ""
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account.avatar_url = resp.avatar_url or ""
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self.profile_task = asyncio.ensure_future(
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self.backend.get_profile(self.user_id),
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)
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self.profile_task.add_done_callback(on_profile_response)
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while True:
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try:
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self.sync_task = asyncio.ensure_future(
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self.sync_forever(timeout=10_000),
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)
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await self.sync_task
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break # task cancelled
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except Exception:
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trace = traceback.format_exc().rstrip()
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log.error("Exception during sync, will restart:\n%s", trace)
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await asyncio.sleep(2)
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@property
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def all_rooms(self) -> Dict[str, nio.MatrixRoom]:
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return {**self.invited_rooms, **self.rooms}
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async def send_text(self, room_id: str, text: str) -> None:
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escape = False
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if text.startswith("//") or text.startswith(r"\/"):
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escape = True
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text = text[1:]
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if text.startswith("/me ") and not escape:
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event_type = nio.RoomMessageEmote
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text = text[len("/me "): ]
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content = {"body": text, "msgtype": "m.emote"}
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to_html = HTML_FILTER.from_markdown_inline(text, outgoing=True)
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echo_body = HTML_FILTER.from_markdown_inline(text)
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else:
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event_type = nio.RoomMessageText
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content = {"body": text, "msgtype": "m.text"}
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to_html = HTML_FILTER.from_markdown(text, outgoing=True)
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echo_body = HTML_FILTER.from_markdown(text)
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if to_html not in (html.escape(text), f"<p>{html.escape(text)}</p>"):
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content["format"] = "org.matrix.custom.html"
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content["formatted_body"] = to_html
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uuid = str(uuid4())
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await self._local_echo(room_id, uuid, event_type, content=echo_body)
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await self._send_message(room_id, uuid, content)
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async def send_file(self, room_id: str, path: Union[Path, str]) -> None:
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item_uuid = uuid4()
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try:
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await self._send_file(item_uuid, room_id, path)
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except (nio.TransferCancelledError, asyncio.CancelledError):
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log.info("Deleting item for cancelled upload %s", item_uuid)
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del self.models[Upload, room_id][str(item_uuid)]
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async def _send_file(
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self, item_uuid: UUID, room_id: str, path: Union[Path, str],
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) -> None:
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from .media_cache import Media, Thumbnail
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path = Path(path)
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encrypt = room_id in self.encrypted_rooms
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try:
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size = path.resolve().stat().st_size
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except (PermissionError, FileNotFoundError):
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# This error will be caught again by the try block later below
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size = 0
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task = asyncio.Task.current_task()
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monitor = nio.TransferMonitor(size)
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upload_item = Upload(item_uuid, task, monitor, path, total_size=size)
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self.models[Upload, room_id][str(item_uuid)] = upload_item
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def on_transfered(transfered: int) -> None:
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upload_item.uploaded = transfered
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upload_item.time_left = monitor.remaining_time
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def on_speed_change(speed: float) -> None:
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upload_item.speed = speed
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monitor.on_transfered = on_transfered
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monitor.on_speed_change = on_speed_change
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try:
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url, mime, crypt_dict = await self.upload(
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path, filename=path.name, encrypt=encrypt, monitor=monitor,
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)
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except (MatrixError, OSError) as err:
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upload_item.status = UploadStatus.Error
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upload_item.error = type(err)
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upload_item.error_args = err.args
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# Wait for cancellation from UI, see parent send_file() method
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while True:
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await asyncio.sleep(0.1)
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upload_item.status = UploadStatus.Caching
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await Media.from_existing_file(self.backend.media_cache, url, path)
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kind = (mime or "").split("/")[0]
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thumb_url: str = ""
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thumb_info: Optional[MatrixImageInfo] = None
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content: dict = {
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"body": path.name,
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"info": {
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"mimetype": mime,
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"size": upload_item.total_size,
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},
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}
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if encrypt:
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content["file"] = {"url": url, **crypt_dict}
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else:
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content["url"] = url
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if kind == "image":
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is_svg = mime == "image/svg+xml"
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event_type = \
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nio.RoomEncryptedImage if encrypt else nio.RoomMessageImage
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content["msgtype"] = "m.image"
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content["info"]["w"], content["info"]["h"] = (
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await utils.svg_dimensions(path) if is_svg else
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PILImage.open(path).size
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)
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try:
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thumb_data, thumb_info = await self.generate_thumbnail(
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path, is_svg=is_svg,
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)
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except UneededThumbnail:
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pass
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except OSError as err:
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log.warning(f"Failed thumbnailing {path}: {err}")
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else:
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thumb_name = f"{path.stem}_thumbnail{''.join(path.suffixes)}"
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upload_item.status = UploadStatus.Uploading
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upload_item.filepath = Path(thumb_name)
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upload_item.total_size = len(thumb_data)
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try:
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thumb_url, _, thumb_crypt_dict = await self.upload(
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thumb_data,
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filename =
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f"{path.stem}_sample{''.join(path.suffixes)}",
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encrypt = encrypt,
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)
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except MatrixError as err:
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log.warning(f"Failed uploading thumbnail {path}: {err}")
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else:
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upload_item.status = UploadStatus.Caching
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await Thumbnail.from_bytes(
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self.backend.media_cache,
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thumb_url,
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thumb_data,
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wanted_size = (content["info"]["w"],
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content["info"]["h"]),
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)
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if encrypt:
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content["info"]["thumbnail_file"] = {
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"url": thumb_url,
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**thumb_crypt_dict,
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}
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else:
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content["info"]["thumbnail_url"] = thumb_url
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content["info"]["thumbnail_info"] = thumb_info._asdict()
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elif kind == "audio":
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event_type = \
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nio.RoomEncryptedAudio if encrypt else nio.RoomMessageAudio
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content["msgtype"] = "m.audio"
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content["info"]["duration"] = getattr(
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MediaInfo.parse(path).tracks[0], "duration", 0,
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) or 0
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elif kind == "video":
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event_type = \
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nio.RoomEncryptedVideo if encrypt else nio.RoomMessageVideo
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content["msgtype"] = "m.video"
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tracks = MediaInfo.parse(path).tracks
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content["info"]["duration"] = \
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getattr(tracks[0], "duration", 0) or 0
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content["info"]["w"] = max(
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getattr(t, "width", 0) or 0 for t in tracks
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)
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content["info"]["h"] = max(
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getattr(t, "height", 0) or 0 for t in tracks
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)
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else:
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event_type = \
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nio.RoomEncryptedFile if encrypt else nio.RoomMessageFile
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content["msgtype"] = "m.file"
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content["filename"] = path.name
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del self.models[Upload, room_id][str(upload_item.uuid)]
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uuid = str(uuid4())
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await self._local_echo(
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room_id, uuid, event_type,
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inline_content = path.name,
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media_url = url,
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media_title = path.name,
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media_width = content["info"].get("w", 0),
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media_height = content["info"].get("h", 0),
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media_duration = content["info"].get("duration", 0),
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media_size = content["info"]["size"],
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media_mime = content["info"]["mimetype"],
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thumbnail_url = thumb_url,
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thumbnail_width =
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content["info"].get("thumbnail_info", {}).get("w", 0),
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thumbnail_height =
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content["info"].get("thumbnail_info", {}).get("h", 0),
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)
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await self._send_message(room_id, uuid, content)
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async def _local_echo(
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self, room_id: str, uuid: str,
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event_type: Type[nio.Event], **event_fields,
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) -> None:
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our_info = self.models[Member, room_id][self.user_id]
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event = Event(
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source = None,
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client_id = f"echo-{uuid}",
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event_id = "",
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date = datetime.now(),
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sender_id = self.user_id,
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sender_name = our_info.display_name,
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sender_avatar = our_info.avatar_url,
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is_local_echo = True,
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local_event_type = event_type,
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**event_fields,
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)
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self.local_echoes_uuid.add(uuid)
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for user_id in self.models[Account]:
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if user_id in self.models[Member, room_id]:
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self.models[Event, user_id, room_id][f"echo-{uuid}"] = event
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self.models[Event, user_id, room_id].sync_now()
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await self.set_room_last_event(room_id, event)
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async def _send_message(self, room_id: str, uuid: str, content: dict,
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) -> None:
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async with self.send_locks[room_id]:
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response = await self.room_send(
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room_id = room_id,
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message_type = "m.room.message",
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content = content,
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tx_id = uuid,
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ignore_unverified_devices = True,
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)
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if isinstance(response, nio.RoomSendError):
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raise MatrixError.from_nio(response)
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async def load_past_events(self, room_id: str) -> bool:
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if room_id in self.fully_loaded_rooms or \
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room_id in self.invited_rooms or \
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room_id in self.cleared_events_rooms:
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return False
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await self.first_sync_done.wait()
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response = await self.room_messages(
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room_id = room_id,
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start = self.past_tokens[room_id],
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limit = 100 if room_id in self.loaded_once_rooms else 25,
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)
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if isinstance(response, nio.RoomMessagesError):
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log.error("Loading past messages for room %s failed: %s",
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room_id, response)
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return True
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self.loaded_once_rooms.add(room_id)
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more_to_load = True
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self.past_tokens[room_id] = response.end
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for event in response.chunk:
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if isinstance(event, nio.RoomCreateEvent):
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self.fully_loaded_rooms.add(room_id)
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more_to_load = False
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for cb in self.event_callbacks:
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if (cb.filter is None or isinstance(event, cb.filter)):
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await cb.func(self.all_rooms[room_id], event)
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return more_to_load
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async def load_rooms_without_visible_events(self) -> None:
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for room_id in self.models[Room, self.user_id]:
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asyncio.ensure_future(
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self._load_room_without_visible_events(room_id),
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)
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async def _load_room_without_visible_events(self, room_id: str) -> None:
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events = self.models[Event, self.user_id, room_id]
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more = True
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while self.skipped_events[room_id] and not events and more:
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more = await self.load_past_events(room_id)
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async def new_direct_chat(self, invite: str, encrypt: bool = False) -> str:
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if invite == self.user_id:
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raise InvalidUserInContext(invite)
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if not re.match(r"^@.+:.+", invite):
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raise InvalidUserId(invite)
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if isinstance(await self.get_profile(invite), nio.ProfileGetError):
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raise UserNotFound(invite)
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response = await super().room_create(
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invite = [invite],
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is_direct = True,
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visibility = nio.RoomVisibility.private,
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initial_state =
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[nio.EnableEncryptionBuilder().as_dict()] if encrypt else [],
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)
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if isinstance(response, nio.RoomCreateError):
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raise MatrixError.from_nio(response)
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return response.room_id
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async def new_group_chat(
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self,
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name: Optional[str] = None,
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topic: Optional[str] = None,
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public: bool = False,
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encrypt: bool = False,
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federate: bool = True,
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) -> str:
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|
|
response = await super().room_create(
|
|
name = name or None,
|
|
topic = topic or None,
|
|
federate = federate,
|
|
visibility =
|
|
nio.RoomVisibility.public if public else
|
|
nio.RoomVisibility.private,
|
|
initial_state =
|
|
[nio.EnableEncryptionBuilder().as_dict()] if encrypt else [],
|
|
)
|
|
|
|
if isinstance(response, nio.RoomCreateError):
|
|
raise MatrixError.from_nio(response)
|
|
|
|
return response.room_id
|
|
|
|
async def room_join(self, alias_or_id_or_url: str) -> str:
|
|
string = alias_or_id_or_url.strip()
|
|
|
|
if re.match(r"^https?://", string):
|
|
for part in urlparse(string).fragment.split("/"):
|
|
if re.match(r"^[#!].+:.+", part):
|
|
string = part
|
|
break
|
|
else:
|
|
raise ValueError(f"No alias or room id found in url {string}")
|
|
|
|
if not re.match(r"^[#!].+:.+", string):
|
|
raise ValueError("Not an alias or room id")
|
|
|
|
response = await super().join(string)
|
|
|
|
if isinstance(response, nio.JoinError):
|
|
raise MatrixError.from_nio(response)
|
|
|
|
return response.room_id
|
|
|
|
|
|
async def room_forget(self, room_id: str) -> None:
|
|
await super().room_leave(room_id)
|
|
await super().room_forget(room_id)
|
|
self.models[Room, self.user_id].pop(room_id, None)
|
|
self.models.pop((Event, self.user_id, room_id), None)
|
|
self.models.pop((Member, room_id), None)
|
|
|
|
|
|
async def generate_thumbnail(
|
|
self, data: UploadData, is_svg: bool = False,
|
|
) -> Tuple[bytes, MatrixImageInfo]:
|
|
|
|
png_modes = ("1", "L", "P", "RGBA")
|
|
|
|
data = b"".join([c async for c in async_generator_from_data(data)])
|
|
is_svg = await utils.guess_mime(data) == "image/svg+xml"
|
|
|
|
if is_svg:
|
|
svg_width, svg_height = await utils.svg_dimensions(data)
|
|
|
|
data = cairosvg.svg2png(
|
|
bytestring = data,
|
|
parent_width = svg_width,
|
|
parent_height = svg_height,
|
|
)
|
|
|
|
thumb = PILImage.open(io.BytesIO(data))
|
|
|
|
small = thumb.width <= 800 and thumb.height <= 600
|
|
is_jpg_png = thumb.format in ("JPEG", "PNG")
|
|
jpgable_png = thumb.format == "PNG" and thumb.mode not in png_modes
|
|
|
|
if small and is_jpg_png and not jpgable_png and not is_svg:
|
|
raise UneededThumbnail()
|
|
|
|
if not small:
|
|
thumb.thumbnail((800, 600), PILImage.LANCZOS)
|
|
|
|
with io.BytesIO() as out:
|
|
if thumb.mode in png_modes:
|
|
thumb.save(out, "PNG", optimize=True)
|
|
mime = "image/png"
|
|
else:
|
|
thumb.convert("RGB").save(out, "JPEG", optimize=True)
|
|
mime = "image/jpeg"
|
|
|
|
data = out.getvalue()
|
|
|
|
info = MatrixImageInfo(thumb.width, thumb.height, mime, len(data))
|
|
return (data, info)
|
|
|
|
|
|
async def upload(
|
|
self,
|
|
data: UploadData,
|
|
mime: Optional[str] = None,
|
|
filename: Optional[str] = None,
|
|
encrypt: bool = False,
|
|
monitor: Optional[nio.TransferMonitor] = None,
|
|
) -> UploadReturn:
|
|
|
|
mime = mime or await utils.guess_mime(data)
|
|
|
|
response, decryption_dict = await super().upload(
|
|
data,
|
|
"application/octet-stream" if encrypt else mime,
|
|
filename,
|
|
encrypt,
|
|
monitor,
|
|
)
|
|
|
|
if isinstance(response, nio.UploadError):
|
|
raise MatrixError.from_nio(response)
|
|
|
|
return UploadReturn(response.content_uri, mime, decryption_dict)
|
|
|
|
|
|
async def set_avatar_from_file(self, path: Union[Path, str]) -> None:
|
|
mime = await utils.guess_mime(path)
|
|
|
|
if mime.split("/")[0] != "image":
|
|
raise BadMimeType(wanted="image/*", got=mime)
|
|
|
|
mxc, *_ = await self.upload(path, mime, Path(path).name)
|
|
await self.set_avatar(mxc)
|
|
|
|
|
|
async def import_keys(self, infile: str, passphrase: str) -> None:
|
|
await super().import_keys(infile, passphrase)
|
|
await self.retry_decrypting_events()
|
|
|
|
|
|
async def export_keys(self, outfile: str, passphrase: str) -> None:
|
|
path = Path(outfile)
|
|
path.parent.mkdir(parents=True, exist_ok=True)
|
|
|
|
# The QML dialog asks the user if he wants to overwrite before this
|
|
if path.exists():
|
|
path.unlink()
|
|
|
|
await super().export_keys(outfile, passphrase)
|
|
|
|
|
|
async def retry_decrypting_events(self) -> None:
|
|
for sync_id, model in self.models.items():
|
|
if not (isinstance(sync_id, tuple) and
|
|
sync_id[0:2] == (Event, self.user_id)):
|
|
continue
|
|
|
|
_, _, room_id = sync_id
|
|
|
|
for ev in model.values():
|
|
room = self.all_rooms[room_id]
|
|
|
|
if isinstance(ev.source, nio.MegolmEvent):
|
|
try:
|
|
decrypted = self.decrypt_event(ev.source)
|
|
|
|
if not decrypted:
|
|
raise nio.EncryptionError()
|
|
|
|
except nio.EncryptionError:
|
|
continue
|
|
|
|
for cb in self.event_callbacks:
|
|
if not cb.filter or isinstance(decrypted, cb.filter):
|
|
await asyncio.coroutine(cb.func)(room, decrypted)
|
|
|
|
|
|
async def clear_events(self, room_id: str) -> None:
|
|
self.cleared_events_rooms.add(room_id)
|
|
model = self.models[Event, self.user_id, room_id]
|
|
if model:
|
|
model.clear()
|
|
model.sync_now()
|
|
|
|
|
|
# Functions to register data into models
|
|
|
|
async def event_is_past(self, ev: Union[nio.Event, Event]) -> bool:
|
|
if not self.first_sync_date:
|
|
return True
|
|
|
|
if isinstance(ev, Event):
|
|
return ev.date < self.first_sync_date
|
|
|
|
date = datetime.fromtimestamp(ev.server_timestamp / 1000)
|
|
return date < self.first_sync_date
|
|
|
|
|
|
async def set_room_last_event(self, room_id: str, item: Event) -> None:
|
|
model = self.models[Room, self.user_id]
|
|
room = model[room_id]
|
|
|
|
if room.last_event is None:
|
|
room.last_event = item.serialized
|
|
|
|
if item.is_local_echo:
|
|
model.sync_now()
|
|
|
|
return
|
|
|
|
is_profile_ev = item.type_specifier == TypeSpecifier.profile_change
|
|
|
|
# If there were no better events available to show previously
|
|
prev_is_profile_ev = \
|
|
room.last_event["type_specifier"] == TypeSpecifier.profile_change
|
|
|
|
# If this is a profile event, only replace the currently shown one if
|
|
# it was also a profile event (we had nothing better to show).
|
|
if is_profile_ev and not prev_is_profile_ev:
|
|
return
|
|
|
|
# If this event is older than the currently shown one, only replace
|
|
# it if the previous was a profile event.
|
|
if item.date < room.last_event["date"] and not prev_is_profile_ev:
|
|
return
|
|
|
|
room.last_event = item.serialized
|
|
|
|
if item.is_local_echo:
|
|
model.sync_now()
|
|
|
|
|
|
async def register_nio_room(self, room: nio.MatrixRoom, left: bool = False,
|
|
) -> None:
|
|
# Add room
|
|
try:
|
|
last_ev = self.models[Room, self.user_id][room.room_id].last_event
|
|
except KeyError:
|
|
last_ev = None
|
|
|
|
inviter = getattr(room, "inviter", "") or ""
|
|
|
|
self.models[Room, self.user_id][room.room_id] = Room(
|
|
room_id = room.room_id,
|
|
display_name = room.display_name or "",
|
|
avatar_url = room.gen_avatar_url or "",
|
|
topic = HTML_FILTER.filter_inline(room.topic or ""),
|
|
inviter_id = inviter,
|
|
inviter_name = room.user_name(inviter) if inviter else "",
|
|
inviter_avatar =
|
|
(room.avatar_url(inviter) or "") if inviter else "",
|
|
left = left,
|
|
last_event = last_ev,
|
|
)
|
|
|
|
# List members that left the room, then remove them from our model
|
|
left_the_room = [
|
|
user_id
|
|
for user_id in self.models[Member, room.room_id]
|
|
if user_id not in room.users
|
|
]
|
|
|
|
for user_id in left_the_room:
|
|
del self.models[Member, room.room_id][user_id]
|
|
|
|
# Add the room members to the added room
|
|
new_dict = {
|
|
user_id: Member(
|
|
user_id = user_id,
|
|
display_name = room.user_name(user_id) # disambiguated
|
|
if member.display_name else "",
|
|
avatar_url = member.avatar_url or "",
|
|
typing = user_id in room.typing_users,
|
|
power_level = member.power_level,
|
|
) for user_id, member in room.users.items()
|
|
}
|
|
self.models[Member, room.room_id].update(new_dict)
|
|
|
|
|
|
async def get_member_name_avatar(self, room_id: str, user_id: str,
|
|
) -> Tuple[str, str]:
|
|
try:
|
|
item = self.models[Member, room_id][user_id]
|
|
except KeyError: # e.g. user is not anymore in the room
|
|
try:
|
|
info = await self.backend.get_profile(user_id)
|
|
return (info.displayname or "", info.avatar_url or "")
|
|
except MatrixError:
|
|
return ("", "")
|
|
else:
|
|
return (item.display_name, item.avatar_url)
|
|
|
|
|
|
async def register_nio_event(
|
|
self, room: nio.MatrixRoom, ev: nio.Event, **fields,
|
|
) -> None:
|
|
|
|
await self.register_nio_room(room)
|
|
|
|
sender_name, sender_avatar = \
|
|
await self.get_member_name_avatar(room.room_id, ev.sender)
|
|
|
|
target_id = getattr(ev, "state_key", "") or ""
|
|
|
|
target_name, target_avatar = \
|
|
await self.get_member_name_avatar(room.room_id, target_id) \
|
|
if target_id else ("", "")
|
|
|
|
# Create Event ModelItem
|
|
item = Event(
|
|
source = ev,
|
|
client_id = ev.event_id,
|
|
event_id = ev.event_id,
|
|
date = datetime.fromtimestamp(ev.server_timestamp / 1000),
|
|
sender_id = ev.sender,
|
|
sender_name = sender_name,
|
|
sender_avatar = sender_avatar,
|
|
target_id = target_id,
|
|
target_name = target_name,
|
|
target_avatar = target_avatar,
|
|
**fields,
|
|
)
|
|
|
|
# Add the Event to model
|
|
if ev.transaction_id in self.local_echoes_uuid:
|
|
self.resolved_echoes[ev.event_id] = ev.transaction_id
|
|
self.local_echoes_uuid.discard(ev.transaction_id)
|
|
item.client_id = f"echo-{ev.transaction_id}"
|
|
|
|
elif ev.sender in self.backend.clients:
|
|
client = self.backend.clients[ev.sender]
|
|
|
|
# Wait until our other account has no more pending local echoes,
|
|
# so that we can know if this event should replace an echo
|
|
# from that client by finding its ID in the resolved_echoes dict.
|
|
# Server only gives back the transaction ID to the original sender.
|
|
while client.local_echoes_uuid: # while there are pending echoes
|
|
await asyncio.sleep(0.1)
|
|
|
|
with suppress(KeyError):
|
|
item.client_id = f"echo-{client.resolved_echoes[ev.event_id]}"
|
|
|
|
elif not await self.event_is_past(ev):
|
|
AlertRequested()
|
|
|
|
self.models[Event, self.user_id, room.room_id][item.client_id] = item
|
|
|
|
await self.set_room_last_event(room.room_id, item)
|
|
|
|
if item.sender_id == self.user_id:
|
|
self.models[Event, self.user_id, room.room_id].sync_now()
|