# Copyright 2019 miruka # This file is part of harmonyqml, licensed under GPLv3. import time from concurrent.futures import ThreadPoolExecutor from threading import Event from typing import Any, DefaultDict, Dict, Optional, Tuple from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot import nio from .network_manager import NetworkManager from .pyqt_future import futurize # One pool per hostname/remote server; # multiple Client for different accounts on the same server can exist. _POOLS: DefaultDict[str, ThreadPoolExecutor] = \ DefaultDict(lambda: ThreadPoolExecutor(max_workers=6)) class Client(QObject): roomInvited = pyqtSignal([str, dict], [str]) roomJoined = pyqtSignal(str) roomLeft = pyqtSignal([str, dict], [str]) roomAboutToBeForgotten = pyqtSignal(str) roomSyncPrevBatchTokenReceived = pyqtSignal(str, str) roomPastPrevBatchTokenReceived = pyqtSignal(str, str) roomEventReceived = pyqtSignal(str, str, dict) roomTypingUsersUpdated = pyqtSignal(str, list) messageAboutToBeSent = pyqtSignal(str, dict) def __init__(self, manager, hostname: str, username: str, device_id: str = "") -> None: super().__init__(manager) self.manager = manager host, *port = hostname.split(":") self.host: str = host self.port: int = int(port[0]) if port else 443 self.pool: ThreadPoolExecutor = _POOLS[self.host] self.nio: nio.client.HttpClient = \ nio.client.HttpClient(self.host, username, device_id) # Since nio clients can't handle more than one talk operation # at a time, this one is used exclusively to poll the sync API self.nio_sync: nio.client.HttpClient = \ nio.client.HttpClient(self.host, username, device_id) self.net = NetworkManager(self.host, self.port, self.nio) self.net_sync = NetworkManager(self.host, self.port, self.nio_sync) self._loading: bool = False self._stop_sync: Event = Event() # {room_id: (was_typing, at_timestamp_secs)} self._last_typing_set: DefaultDict[str, Tuple[bool, float]] = \ DefaultDict(lambda: (False, 0)) def __repr__(self) -> str: return "%s(host=%r, port=%r, user_id=%r)" % \ (type(self).__name__, self.host, self.port, self.userId) @pyqtProperty(str, constant=True) def userId(self) -> str: return self.nio.user_id @pyqtSlot(str, result="QVariant") @pyqtSlot(str, list, result="QVariant") @pyqtSlot(str, list, "QVariantMap", result="QVariant") def call(self, method: str, args: Optional[list] = None, kwargs: Optional[Dict[str, Any]] = None) -> Any: return getattr(self, method)(*args or [], **kwargs or {}) @pyqtSlot(str, result="QVariant") @pyqtSlot(str, str, result="QVariant") @futurize() def login(self, password: str, device_name: str = "") -> "Client": response = self.net.talk(self.nio.login, password, device_name) self.nio_sync.receive_response(response) return self @pyqtSlot(str, str, str, result="QVariant") @futurize() def resumeSession(self, user_id: str, token: str, device_id: str ) -> "Client": response = nio.LoginResponse(user_id, device_id, token) self.nio.receive_response(response) self.nio_sync.receive_response(response) return self @pyqtSlot(result="QVariant") @futurize() def logout(self) -> "Client": self._stop_sync.set() self.net.http_disconnect() self.net_sync.http_disconnect() return self @futurize(pyqt=False) def startSyncing(self) -> None: while True: self._on_sync(self.net_sync.talk( self.nio_sync.sync, timeout=8000 )) if self._stop_sync.is_set(): self._stop_sync.clear() break def _on_sync(self, response: nio.SyncResponse) -> None: self.nio.receive_response(response) for room_id, room_info in response.rooms.invite.items(): for ev in room_info.invite_state: member_ev = isinstance(ev, nio.InviteMemberEvent) if member_ev and ev.content["membership"] == "join": self.roomInvited.emit(room_id, ev.content) break else: self.roomInvited[str].emit(room_id) for room_id, room_info in response.rooms.join.items(): self.roomJoined.emit(room_id) self.roomSyncPrevBatchTokenReceived.emit( room_id, room_info.timeline.prev_batch ) for ev in room_info.timeline.events: self.roomEventReceived.emit( room_id, type(ev).__name__, ev.__dict__ ) for ev in room_info.ephemeral: if isinstance(ev, nio.TypingNoticeEvent): self.roomTypingUsersUpdated.emit(room_id, ev.users) else: print("ephemeral event: ", ev) for room_id, room_info in response.rooms.leave.items(): for ev in room_info.timeline.events: member_ev = isinstance(ev, nio.RoomMemberEvent) if member_ev and ev.content["membership"] in ("leave", "ban"): self.roomLeft.emit(room_id, ev.__dict__) break else: self.roomLeft[str].emit(room_id) @futurize() def loadPastEvents(self, room_id: str, start_token: str, limit: int = 100 ) -> None: # From QML, use Backend.loastPastEvents instead if self._loading: return self._loading = True self._on_past_events( room_id, self.net.talk( self.nio.room_messages, room_id, start=start_token, limit=limit ) ) self._loading = False def _on_past_events(self, room_id: str, response: nio.RoomMessagesResponse ) -> None: self.roomPastPrevBatchTokenReceived.emit(room_id, response.end) for ev in response.chunk: self.roomEventReceived.emit( room_id, type(ev).__name__, ev.__dict__ ) @pyqtSlot(str, bool) @futurize(max_instances=1) def setTypingState(self, room_id: str, typing: bool) -> None: set_for_secs = 5 last_set, last_time = self._last_typing_set[room_id] if not typing and last_set is False: return if typing and time.time() - last_time < set_for_secs - 1: return self._last_typing_set[room_id] = (typing, time.time()) self.net.talk( self.nio.room_typing, room_id = room_id, typing_state = typing, timeout = set_for_secs * 1000, ) @pyqtSlot(str, str) def sendMarkdown(self, room_id: str, text: str) -> None: html = self.manager.backend.htmlFilter.fromMarkdown(text) content = { "body": text, "formatted_body": html, "format": "org.matrix.custom.html", "msgtype": "m.text", } self.messageAboutToBeSent.emit(room_id, content) # If the thread pool workers are all occupied, and @futurize # wrapped sendMarkdown, the messageAboutToBeSent signal neccessary # for local echoes would not be sent until a thread is free. @futurize() def send(self): return self.net.talk( self.nio.room_send, room_id = room_id, message_type = "m.room.message", content = content, ) return send(self) @pyqtSlot(str) @futurize() def joinRoom(self, room_id: str) -> None: return self.net.talk(self.nio.join, room_id=room_id) @pyqtSlot(str) @futurize() def leaveRoom(self, room_id: str) -> None: return self.net.talk(self.nio.room_leave, room_id=room_id) @pyqtSlot(str) @futurize() def forgetRoom(self, room_id: str) -> None: self.roomAboutToBeForgotten.emit(room_id) return self.net.talk(self.nio.room_forget, room_id=room_id)