2543 lines
90 KiB
Dart
2543 lines
90 KiB
Dart
/*
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* Famedly Matrix SDK
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* Copyright (C) 2019, 2020, 2021 Famedly GmbH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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import 'dart:convert';
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import 'dart:core';
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import 'dart:typed_data';
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import 'package:http/http.dart' as http;
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import 'package:matrix/src/utils/run_in_root.dart';
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import 'package:matrix/src/utils/sync_update_item_count.dart';
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import 'package:mime/mime.dart';
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import 'package:olm/olm.dart' as olm;
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import 'package:collection/collection.dart' show IterableExtension;
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import '../encryption.dart';
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import '../matrix.dart';
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import 'utils/run_benchmarked.dart';
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import 'utils/multilock.dart';
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typedef RoomSorter = int Function(Room a, Room b);
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enum LoginState { loggedIn, loggedOut }
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extension TrailingSlash on Uri {
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Uri stripTrailingSlash() => path.endsWith('/')
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? replace(path: path.substring(0, path.length - 1))
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: this;
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}
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/// Represents a Matrix client to communicate with a
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/// [Matrix](https://matrix.org) homeserver and is the entry point for this
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/// SDK.
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class Client extends MatrixApi {
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int? _id;
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// Keeps track of the currently ongoing syncRequest
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// in case we want to cancel it.
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int _currentSyncId = -1;
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int? get id => _id;
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final FutureOr<DatabaseApi> Function(Client)? databaseBuilder;
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final FutureOr<DatabaseApi> Function(Client)? legacyDatabaseBuilder;
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final FutureOr<void> Function(Client)? databaseDestroyer;
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final FutureOr<void> Function(Client)? legacyDatabaseDestroyer;
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DatabaseApi? _database;
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DatabaseApi? get database => _database;
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@deprecated
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MatrixApi get api => this;
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Encryption? encryption;
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Set<KeyVerificationMethod> verificationMethods;
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Set<String> importantStateEvents;
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Set<String> roomPreviewLastEvents;
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Set<String> supportedLoginTypes;
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int sendMessageTimeoutSeconds;
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bool requestHistoryOnLimitedTimeline;
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final bool formatLocalpart;
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final bool mxidLocalPartFallback;
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// For CommandsClientExtension
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final Map<String, FutureOr<String?> Function(CommandArgs)> commands = {};
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final Filter syncFilter;
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String? syncFilterId;
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final Future<R> Function<Q, R>(FutureOr<R> Function(Q), Q,
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{String debugLabel})? compute;
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Future<T> runInBackground<T, U>(
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FutureOr<T> Function(U arg) function, U arg) async {
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final compute = this.compute;
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if (compute != null) {
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return await compute(function, arg);
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}
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return await function(arg);
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}
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/// Create a client
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/// [clientName] = unique identifier of this client
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/// [databaseBuilder]: A function that creates the database instance, that will be used.
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/// [legacyDatabaseBuilder]: Use this for your old database implementation to perform an automatic migration
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/// [databaseDestroyer]: A function that can be used to destroy a database instance, for example by deleting files from disk.
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/// [verificationMethods]: A set of all the verification methods this client can handle. Includes:
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/// KeyVerificationMethod.numbers: Compare numbers. Most basic, should be supported
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/// KeyVerificationMethod.emoji: Compare emojis
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/// [importantStateEvents]: A set of all the important state events to load when the client connects.
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/// To speed up performance only a set of state events is loaded on startup, those that are
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/// needed to display a room list. All the remaining state events are automatically post-loaded
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/// when opening the timeline of a room or manually by calling `room.postLoad()`.
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/// This set will always include the following state events:
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/// - m.room.name
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/// - m.room.avatar
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/// - m.room.message
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/// - m.room.encrypted
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/// - m.room.encryption
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/// - m.room.canonical_alias
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/// - m.room.tombstone
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/// - *some* m.room.member events, where needed
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/// [roomPreviewLastEvents]: The event types that should be used to calculate the last event
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/// in a room for the room list.
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/// Set [requestHistoryOnLimitedTimeline] to controll the automatic behaviour if the client
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/// receives a limited timeline flag for a room.
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/// If [mxidLocalPartFallback] is true, then the local part of the mxid will be shown
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/// if there is no other displayname available. If not then this will return "Unknown user".
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/// If [formatLocalpart] is true, then the localpart of an mxid will
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/// be formatted in the way, that all "_" characters are becomming white spaces and
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/// the first character of each word becomes uppercase.
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/// If your client supports more login types like login with token or SSO, then add this to
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/// [supportedLoginTypes]. Set a custom [syncFilter] if you like. By default the app
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/// will use lazy_load_members.
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/// Set [compute] to the Flutter compute method to enable the SDK to run some
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/// code in background.
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Client(
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this.clientName, {
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this.databaseBuilder,
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this.databaseDestroyer,
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this.legacyDatabaseBuilder,
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this.legacyDatabaseDestroyer,
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@Deprecated('This is now always enabled by default.')
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bool? enableE2eeRecovery,
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Set<KeyVerificationMethod>? verificationMethods,
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http.Client? httpClient,
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Set<String>? importantStateEvents,
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Set<String>? roomPreviewLastEvents,
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this.pinUnreadRooms = false,
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this.pinInvitedRooms = true,
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this.sendMessageTimeoutSeconds = 60,
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this.requestHistoryOnLimitedTimeline = false,
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Set<String>? supportedLoginTypes,
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this.mxidLocalPartFallback = true,
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this.formatLocalpart = true,
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this.compute,
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Filter? syncFilter,
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@deprecated bool? debug,
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}) : syncFilter = syncFilter ??
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Filter(
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room: RoomFilter(
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state: StateFilter(lazyLoadMembers: true),
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),
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),
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importantStateEvents = importantStateEvents ??= {},
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roomPreviewLastEvents = roomPreviewLastEvents ??= {},
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supportedLoginTypes =
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supportedLoginTypes ?? {AuthenticationTypes.password},
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__loginState = LoginState.loggedOut,
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verificationMethods = verificationMethods ?? <KeyVerificationMethod>{},
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super(
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httpClient:
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VariableTimeoutHttpClient(httpClient ?? http.Client())) {
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importantStateEvents.addAll([
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EventTypes.RoomName,
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EventTypes.RoomAvatar,
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EventTypes.Message,
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EventTypes.Encrypted,
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EventTypes.Encryption,
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EventTypes.RoomCanonicalAlias,
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EventTypes.RoomTombstone,
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EventTypes.spaceChild,
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EventTypes.spaceParent,
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EventTypes.RoomCreate,
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]);
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roomPreviewLastEvents.addAll([
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EventTypes.Message,
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EventTypes.Encrypted,
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EventTypes.Sticker,
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]);
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// register all the default commands
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registerDefaultCommands();
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}
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/// The required name for this client.
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final String clientName;
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/// The Matrix ID of the current logged user.
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String? get userID => _userID;
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String? _userID;
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/// This points to the position in the synchronization history.
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String? prevBatch;
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/// The device ID is an unique identifier for this device.
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String? get deviceID => _deviceID;
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String? _deviceID;
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/// The device name is a human readable identifier for this device.
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String? get deviceName => _deviceName;
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String? _deviceName;
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/// Returns the current login state.
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LoginState get loginState => __loginState;
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LoginState __loginState;
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set _loginState(LoginState state) {
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__loginState = state;
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onLoginStateChanged.add(state);
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}
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bool isLogged() => accessToken != null;
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/// A list of all rooms the user is participating or invited.
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List<Room> get rooms => _rooms;
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List<Room> _rooms = [];
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/// Whether this client supports end-to-end encryption using olm.
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bool get encryptionEnabled => encryption?.enabled == true;
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/// Whether this client is able to encrypt and decrypt files.
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bool get fileEncryptionEnabled => encryptionEnabled && true;
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String get identityKey => encryption?.identityKey ?? '';
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String get fingerprintKey => encryption?.fingerprintKey ?? '';
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/// Wheather this session is unknown to others
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bool get isUnknownSession =>
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userDeviceKeys[userID]?.deviceKeys[deviceID]?.signed != true;
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/// Warning! This endpoint is for testing only!
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set rooms(List<Room> newList) {
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Logs().w('Warning! This endpoint is for testing only!');
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_rooms = newList;
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}
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/// Key/Value store of account data.
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Map<String, BasicEvent> accountData = {};
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/// Presences of users by a given matrix ID
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Map<String, Presence> presences = {};
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int _transactionCounter = 0;
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String generateUniqueTransactionId() {
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_transactionCounter++;
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return '$clientName-$_transactionCounter-${DateTime.now().millisecondsSinceEpoch}';
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}
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Room? getRoomByAlias(String alias) {
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for (final room in rooms) {
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if (room.canonicalAlias == alias) return room;
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}
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return null;
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}
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/// Searches in the local cache for the given room and returns null if not
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/// found. If you have loaded the [loadArchive()] before, it can also return
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/// archived rooms.
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Room? getRoomById(String id) {
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for (final room in <Room>[...rooms, ..._archivedRooms]) {
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if (room.id == id) return room;
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}
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return null;
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}
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Map<String, dynamic> get directChats =>
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accountData['m.direct']?.content ?? {};
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/// Returns the (first) room ID from the store which is a private chat with the user [userId].
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/// Returns null if there is none.
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String? getDirectChatFromUserId(String userId) {
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final directChats = accountData['m.direct']?.content[userId];
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if (directChats is List<dynamic> && directChats.isNotEmpty) {
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final potentialRooms = directChats
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.cast<String>()
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.map(getRoomById)
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.where((room) => room != null && room.membership == Membership.join);
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if (potentialRooms.isNotEmpty) {
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return potentialRooms.fold<Room>(potentialRooms.first!,
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(Room prev, Room? r) {
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if (r == null) {
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return prev;
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}
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final prevLast =
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prev.lastEvent?.originServerTs.millisecondsSinceEpoch ?? 0;
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final rLast = r.lastEvent?.originServerTs.millisecondsSinceEpoch ?? 0;
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return rLast > prevLast ? r : prev;
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}).id;
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}
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}
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for (final room in rooms) {
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if (room.membership == Membership.invite &&
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room.getState(EventTypes.RoomMember, userID!)?.senderId == userId &&
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room.getState(EventTypes.RoomMember, userID!)?.content['is_direct'] ==
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true) {
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return room.id;
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}
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}
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return null;
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}
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/// Gets discovery information about the domain. The file may include additional keys.
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Future<DiscoveryInformation> getDiscoveryInformationsByUserId(
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String MatrixIdOrDomain,
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) async {
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try {
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final response = await http.get(Uri.https(
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MatrixIdOrDomain.domain ?? '', '/.well-known/matrix/client'));
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var respBody = response.body;
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try {
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respBody = utf8.decode(response.bodyBytes);
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} catch (_) {
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// No-OP
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}
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final rawJson = json.decode(respBody);
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return DiscoveryInformation.fromJson(rawJson);
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} catch (_) {
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// we got an error processing or fetching the well-known information, let's
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// provide a reasonable fallback.
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return DiscoveryInformation(
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mHomeserver: HomeserverInformation(
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baseUrl: Uri.https(MatrixIdOrDomain.domain ?? '', '')),
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);
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}
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}
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/// Checks the supported versions of the Matrix protocol and the supported
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/// login types. Throws an exception if the server is not compatible with the
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/// client and sets [homeserver] to [homeserverUrl] if it is. Supports the
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/// types `Uri` and `String`.
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Future<HomeserverSummary> checkHomeserver(dynamic homeserverUrl,
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{bool checkWellKnown = true}) async {
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try {
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var homeserver = this.homeserver =
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(homeserverUrl is Uri) ? homeserverUrl : Uri.parse(homeserverUrl);
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homeserver = this.homeserver = homeserver.stripTrailingSlash();
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// Look up well known
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DiscoveryInformation? wellKnown;
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if (checkWellKnown) {
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try {
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wellKnown = await getWellknown();
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homeserver = this.homeserver =
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wellKnown.mHomeserver.baseUrl.stripTrailingSlash();
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} catch (e) {
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Logs().v('Found no well known information', e);
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}
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}
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// Check if server supports at least one supported version
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final versions = await getVersions();
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if (!versions.versions
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.any((version) => supportedVersions.contains(version))) {
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throw BadServerVersionsException(
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versions.versions.toSet(), supportedVersions);
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}
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final loginTypes = await getLoginFlows() ?? [];
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if (!loginTypes.any((f) => supportedLoginTypes.contains(f.type))) {
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throw BadServerLoginTypesException(
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loginTypes.map((f) => f.type ?? '').toSet(), supportedLoginTypes);
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}
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return HomeserverSummary(
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discoveryInformation: wellKnown,
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versions: versions,
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loginFlows: loginTypes,
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);
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} catch (_) {
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homeserver = null;
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rethrow;
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}
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}
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/// Checks to see if a username is available, and valid, for the server.
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/// Returns the fully-qualified Matrix user ID (MXID) that has been registered.
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/// You have to call [checkHomeserver] first to set a homeserver.
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@override
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Future<RegisterResponse> register({
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String? username,
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String? password,
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String? deviceId,
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String? initialDeviceDisplayName,
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bool? inhibitLogin,
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AuthenticationData? auth,
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AccountKind? kind,
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}) async {
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final response = await super.register(
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username: username,
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password: password,
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auth: auth,
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deviceId: deviceId,
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initialDeviceDisplayName: initialDeviceDisplayName,
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inhibitLogin: inhibitLogin,
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);
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// Connect if there is an access token in the response.
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final accessToken = response.accessToken;
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final deviceId_ = response.deviceId;
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final userId = response.userId;
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final homeserver = this.homeserver;
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if (accessToken == null || deviceId_ == null || homeserver == null) {
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throw Exception(
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'Registered but token, device ID, user ID or homeserver is null.');
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}
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await init(
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newToken: accessToken,
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newUserID: userId,
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newHomeserver: homeserver,
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newDeviceName: initialDeviceDisplayName ?? '',
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newDeviceID: deviceId_);
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return response;
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}
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/// Handles the login and allows the client to call all APIs which require
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/// authentication. Returns false if the login was not successful. Throws
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/// MatrixException if login was not successful.
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/// To just login with the username 'alice' you set [identifier] to:
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/// `AuthenticationUserIdentifier(user: 'alice')`
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/// Maybe you want to set [user] to the same String to stay compatible with
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/// older server versions.
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@override
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Future<LoginResponse> login(
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LoginType type, {
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AuthenticationIdentifier? identifier,
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String? password,
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String? token,
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String? deviceId,
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String? initialDeviceDisplayName,
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AuthenticationData? auth,
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@Deprecated('Deprecated in favour of identifier.') String? user,
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@Deprecated('Deprecated in favour of identifier.') String? medium,
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@Deprecated('Deprecated in favour of identifier.') String? address,
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}) async {
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if (homeserver == null && user != null && user.isValidMatrixId) {
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await checkHomeserver(user.domain);
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}
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final response = await super.login(
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type,
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identifier: identifier,
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password: password,
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token: token,
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deviceId: deviceId,
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initialDeviceDisplayName: initialDeviceDisplayName,
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// ignore: deprecated_member_use
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user: user,
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// ignore: deprecated_member_use
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medium: medium,
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// ignore: deprecated_member_use
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address: address,
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);
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// Connect if there is an access token in the response.
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final accessToken = response.accessToken;
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final deviceId_ = response.deviceId;
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final userId = response.userId;
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final homeserver_ = homeserver;
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if (accessToken == null ||
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deviceId_ == null ||
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userId == null ||
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homeserver_ == null) {
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throw Exception('Registered but token, device ID or user ID is null.');
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}
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await init(
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newToken: accessToken,
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newUserID: userId,
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newHomeserver: homeserver_,
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newDeviceName: initialDeviceDisplayName ?? '',
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newDeviceID: deviceId_,
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);
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return response;
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}
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/// Sends a logout command to the homeserver and clears all local data,
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/// including all persistent data from the store.
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@override
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Future<void> logout() async {
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try {
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await super.logout();
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} catch (e, s) {
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Logs().e('Logout failed', e, s);
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rethrow;
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} finally {
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await clear();
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}
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}
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/// Sends a logout command to the homeserver and clears all local data,
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/// including all persistent data from the store.
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@override
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Future<void> logoutAll() async {
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try {
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await super.logoutAll();
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} catch (e, s) {
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Logs().e('Logout all failed', e, s);
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rethrow;
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} finally {
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await clear();
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}
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}
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/// Run any request and react on user interactive authentication flows here.
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|
Future<T> uiaRequestBackground<T>(
|
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Future<T> Function(AuthenticationData? auth) request) {
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final completer = Completer<T>();
|
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UiaRequest? uia;
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uia = UiaRequest(
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request: request,
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onUpdate: (state) {
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if (uia != null) {
|
|
if (state == UiaRequestState.done) {
|
|
completer.complete(uia.result);
|
|
} else if (state == UiaRequestState.fail) {
|
|
completer.completeError(uia.error!);
|
|
} else {
|
|
onUiaRequest.add(uia);
|
|
}
|
|
}
|
|
},
|
|
);
|
|
return completer.future;
|
|
}
|
|
|
|
/// Returns an existing direct room ID with this user or creates a new one.
|
|
/// By default encryption will be enabled if the client supports encryption
|
|
/// and the other user has uploaded any encryption keys.
|
|
Future<String> startDirectChat(
|
|
String mxid, {
|
|
bool? enableEncryption,
|
|
List<StateEvent>? initialState,
|
|
bool waitForSync = true,
|
|
}) async {
|
|
// Try to find an existing direct chat
|
|
final directChatRoomId = getDirectChatFromUserId(mxid);
|
|
if (directChatRoomId != null) return directChatRoomId;
|
|
|
|
enableEncryption ??=
|
|
encryptionEnabled && await userOwnsEncryptionKeys(mxid);
|
|
if (enableEncryption) {
|
|
initialState ??= [];
|
|
if (!initialState.any((s) => s.type == EventTypes.Encryption)) {
|
|
initialState.add(StateEvent(
|
|
content: {
|
|
'algorithm': supportedGroupEncryptionAlgorithms.first,
|
|
},
|
|
type: EventTypes.Encryption,
|
|
));
|
|
}
|
|
}
|
|
|
|
// Start a new direct chat
|
|
final roomId = await createRoom(
|
|
invite: [mxid],
|
|
isDirect: true,
|
|
preset: CreateRoomPreset.trustedPrivateChat,
|
|
initialState: initialState,
|
|
);
|
|
|
|
if (waitForSync && getRoomById(roomId) == null) {
|
|
// Wait for room actually appears in sync
|
|
await onSync.stream
|
|
.firstWhere((sync) => sync.rooms?.join?.containsKey(roomId) ?? false);
|
|
}
|
|
|
|
await Room(id: roomId, client: this).addToDirectChat(mxid);
|
|
|
|
return roomId;
|
|
}
|
|
|
|
/// Simplified method to create a new group chat. By default it is a private
|
|
/// chat. The encryption is enabled if this client supports encryption and
|
|
/// the preset is not a public chat.
|
|
Future<String> createGroupChat({
|
|
String? groupName,
|
|
bool? enableEncryption,
|
|
List<String>? invite,
|
|
CreateRoomPreset preset = CreateRoomPreset.privateChat,
|
|
List<StateEvent>? initialState,
|
|
Visibility? visibility,
|
|
bool waitForSync = true,
|
|
}) async {
|
|
enableEncryption ??=
|
|
encryptionEnabled && preset != CreateRoomPreset.publicChat;
|
|
if (enableEncryption) {
|
|
initialState ??= [];
|
|
if (!initialState.any((s) => s.type == EventTypes.Encryption)) {
|
|
initialState.add(StateEvent(
|
|
content: {
|
|
'algorithm': supportedGroupEncryptionAlgorithms.first,
|
|
},
|
|
type: EventTypes.Encryption,
|
|
));
|
|
}
|
|
}
|
|
final roomId = await createRoom(
|
|
invite: invite,
|
|
preset: preset,
|
|
name: groupName,
|
|
initialState: initialState,
|
|
visibility: visibility,
|
|
);
|
|
|
|
if (waitForSync) {
|
|
if (getRoomById(roomId) == null) {
|
|
// Wait for room actually appears in sync
|
|
await onSync.stream.firstWhere(
|
|
(sync) => sync.rooms?.join?.containsKey(roomId) ?? false);
|
|
}
|
|
}
|
|
return roomId;
|
|
}
|
|
|
|
/// Checks if the given user has encryption keys. May query keys from the
|
|
/// server to answer this.
|
|
Future<bool> userOwnsEncryptionKeys(String userId) async {
|
|
if (userId == userID) return encryptionEnabled;
|
|
if (_userDeviceKeys.containsKey(userId)) {
|
|
return true;
|
|
}
|
|
final keys = await queryKeys({userId: []});
|
|
return keys.deviceKeys?[userId]?.isNotEmpty ?? false;
|
|
}
|
|
|
|
/// Creates a new space and returns the Room ID. The parameters are mostly
|
|
/// the same like in [createRoom()].
|
|
/// Be aware that spaces appear in the [rooms] list. You should check if a
|
|
/// room is a space by using the `room.isSpace` getter and then just use the
|
|
/// room as a space with `room.toSpace()`.
|
|
///
|
|
/// https://github.com/matrix-org/matrix-doc/blob/matthew/msc1772/proposals/1772-groups-as-rooms.md
|
|
Future<String> createSpace({
|
|
String? name,
|
|
String? topic,
|
|
Visibility visibility = Visibility.public,
|
|
String? spaceAliasName,
|
|
List<String>? invite,
|
|
List<Invite3pid>? invite3pid,
|
|
String? roomVersion,
|
|
}) =>
|
|
createRoom(
|
|
name: name,
|
|
topic: topic,
|
|
visibility: visibility,
|
|
roomAliasName: spaceAliasName,
|
|
creationContent: {'type': 'm.space'},
|
|
powerLevelContentOverride: {'events_default': 100},
|
|
invite: invite,
|
|
invite3pid: invite3pid,
|
|
roomVersion: roomVersion,
|
|
);
|
|
|
|
/// Returns the user's own displayname and avatar url. In Matrix it is possible that
|
|
/// one user can have different displaynames and avatar urls in different rooms. So
|
|
/// this endpoint first checks if the profile is the same in all rooms. If not, the
|
|
/// profile will be requested from the homserver.
|
|
Future<Profile> get ownProfile async {
|
|
if (rooms.isNotEmpty) {
|
|
final profileSet = <Profile>{};
|
|
for (final room in rooms) {
|
|
final user = await room.requestUser(userID!);
|
|
if (user != null) {
|
|
profileSet.add(Profile(
|
|
avatarUrl: user.avatarUrl,
|
|
displayName: user.displayName,
|
|
userId: user.id,
|
|
));
|
|
}
|
|
}
|
|
if (profileSet.length == 1) return profileSet.single;
|
|
}
|
|
return getProfileFromUserId(userID!);
|
|
}
|
|
|
|
final Map<String, ProfileInformation> _profileCache = {};
|
|
|
|
/// Get the combined profile information for this user.
|
|
/// If [getFromRooms] is true then the profile will first be searched from the
|
|
/// room memberships. This is unstable if the given user makes use of different displaynames
|
|
/// and avatars per room, which is common for some bots and bridges.
|
|
/// If [cache] is true then
|
|
/// the profile get cached for this session. Please note that then the profile may
|
|
/// become outdated if the user changes the displayname or avatar in this session.
|
|
Future<Profile> getProfileFromUserId(String userId,
|
|
{bool cache = true, bool getFromRooms = true}) async {
|
|
if (getFromRooms) {
|
|
final room = rooms.firstWhereOrNull((Room room) =>
|
|
room.getParticipants().indexWhere((User user) => user.id == userId) !=
|
|
-1);
|
|
if (room != null) {
|
|
final user =
|
|
room.getParticipants().firstWhere((User user) => user.id == userId);
|
|
return Profile(
|
|
userId: userId,
|
|
displayName: user.displayName,
|
|
avatarUrl: user.avatarUrl);
|
|
}
|
|
}
|
|
|
|
var profile = _profileCache[userId];
|
|
if (cache && profile != null) {
|
|
return Profile(
|
|
userId: userId,
|
|
displayName: profile.displayname,
|
|
avatarUrl: profile.avatarUrl);
|
|
}
|
|
profile = await getUserProfile(userId);
|
|
_profileCache[userId] = profile;
|
|
return Profile(
|
|
userId: userId,
|
|
displayName: profile.displayname,
|
|
avatarUrl: profile.avatarUrl);
|
|
}
|
|
|
|
final List<Room> _archivedRooms = [];
|
|
|
|
@Deprecated('Use [loadArchive()] instead.')
|
|
Future<List<Room>> get archive => loadArchive();
|
|
|
|
Future<List<Room>> loadArchive() async {
|
|
_archivedRooms.clear();
|
|
final syncResp = await sync(
|
|
filter: '{"room":{"include_leave":true,"timeline":{"limit":10}}}',
|
|
timeout: 0,
|
|
);
|
|
|
|
final leave = syncResp.rooms?.leave;
|
|
if (leave != null) {
|
|
for (final entry in leave.entries) {
|
|
final id = entry.key;
|
|
final room = entry.value;
|
|
final leftRoom = Room(
|
|
id: id,
|
|
membership: Membership.leave,
|
|
client: this,
|
|
roomAccountData:
|
|
room.accountData?.asMap().map((k, v) => MapEntry(v.type, v)) ??
|
|
<String, BasicRoomEvent>{},
|
|
);
|
|
|
|
room.timeline?.events?.forEach((event) {
|
|
leftRoom.setState(Event.fromMatrixEvent(
|
|
event,
|
|
leftRoom,
|
|
));
|
|
});
|
|
leftRoom.prev_batch = room.timeline?.prevBatch;
|
|
room.state?.forEach((event) {
|
|
leftRoom.setState(Event.fromMatrixEvent(
|
|
event,
|
|
leftRoom,
|
|
));
|
|
});
|
|
_archivedRooms.add(leftRoom);
|
|
}
|
|
}
|
|
return _archivedRooms;
|
|
}
|
|
|
|
/// Uploads a file and automatically caches it in the database, if it is small enough
|
|
/// and returns the mxc url.
|
|
@override
|
|
Future<Uri> uploadContent(Uint8List file,
|
|
{String? filename, String? contentType}) async {
|
|
contentType ??= lookupMimeType(filename ?? '', headerBytes: file);
|
|
final mxc = await super
|
|
.uploadContent(file, filename: filename, contentType: contentType);
|
|
|
|
final database = this.database;
|
|
if (database != null && file.length <= database.maxFileSize) {
|
|
await database.storeFile(
|
|
mxc, file, DateTime.now().millisecondsSinceEpoch);
|
|
}
|
|
return mxc;
|
|
}
|
|
|
|
/// Sends a typing notification and initiates a megolm session, if needed
|
|
@override
|
|
Future<void> setTyping(
|
|
String userId,
|
|
String roomId,
|
|
bool typing, {
|
|
int? timeout,
|
|
}) async {
|
|
await super.setTyping(userId, roomId, typing, timeout: timeout);
|
|
final room = getRoomById(roomId);
|
|
if (typing && room != null && encryptionEnabled && room.encrypted) {
|
|
// ignore: unawaited_futures
|
|
encryption?.keyManager.prepareOutboundGroupSession(roomId);
|
|
}
|
|
}
|
|
|
|
/// Uploads a new user avatar for this user. Leave file null to remove the
|
|
/// current avatar.
|
|
Future<void> setAvatar(MatrixFile? file) async {
|
|
if (file == null) {
|
|
// We send an empty String to remove the avatar. Sending Null **should**
|
|
// work but it doesn't with Synapse. See:
|
|
// https://gitlab.com/famedly/company/frontend/famedlysdk/-/issues/254
|
|
return setAvatarUrl(userID!, Uri.parse(''));
|
|
}
|
|
final uploadResp = await uploadContent(
|
|
file.bytes,
|
|
filename: file.name,
|
|
contentType: file.mimeType,
|
|
);
|
|
await setAvatarUrl(userID!, uploadResp);
|
|
return;
|
|
}
|
|
|
|
/// Returns the global push rules for the logged in user.
|
|
PushRuleSet? get globalPushRules {
|
|
final pushrules = accountData['m.push_rules']?.content['global'];
|
|
return pushrules != null ? PushRuleSet.fromJson(pushrules) : null;
|
|
}
|
|
|
|
/// Returns the device push rules for the logged in user.
|
|
PushRuleSet? get devicePushRules {
|
|
final pushrules = accountData['m.push_rules']?.content['device'];
|
|
return pushrules != null ? PushRuleSet.fromJson(pushrules) : null;
|
|
}
|
|
|
|
static const Set<String> supportedVersions = {'r0.5.0', 'r0.6.0'};
|
|
static const List<String> supportedDirectEncryptionAlgorithms = [
|
|
AlgorithmTypes.olmV1Curve25519AesSha2
|
|
];
|
|
static const List<String> supportedGroupEncryptionAlgorithms = [
|
|
AlgorithmTypes.megolmV1AesSha2
|
|
];
|
|
static const int defaultThumbnailSize = 800;
|
|
|
|
/// The newEvent signal is the most important signal in this concept. Every time
|
|
/// the app receives a new synchronization, this event is called for every signal
|
|
/// to update the GUI. For example, for a new message, it is called:
|
|
/// onRoomEvent( "m.room.message", "!chat_id:server.com", "timeline", {sender: "@bob:server.com", body: "Hello world"} )
|
|
final StreamController<EventUpdate> onEvent = StreamController.broadcast();
|
|
|
|
/// The onToDeviceEvent is called when there comes a new to device event. It is
|
|
/// already decrypted if necessary.
|
|
final StreamController<ToDeviceEvent> onToDeviceEvent =
|
|
StreamController.broadcast();
|
|
|
|
/// Called when the login state e.g. user gets logged out.
|
|
final StreamController<LoginState> onLoginStateChanged =
|
|
StreamController.broadcast();
|
|
|
|
/// Called when the local cache is reset
|
|
final StreamController<bool> onCacheCleared = StreamController.broadcast();
|
|
|
|
/// Encryption errors are coming here.
|
|
final StreamController<SdkError> onEncryptionError =
|
|
StreamController.broadcast();
|
|
|
|
/// This is called once, when the first sync has been processed.
|
|
final StreamController<bool> onFirstSync = StreamController.broadcast();
|
|
|
|
/// When a new sync response is coming in, this gives the complete payload.
|
|
final StreamController<SyncUpdate> onSync = StreamController.broadcast();
|
|
|
|
/// This gives the current status of the synchronization
|
|
final StreamController<SyncStatusUpdate> onSyncStatus =
|
|
StreamController.broadcast();
|
|
|
|
/// Callback will be called on presences.
|
|
final StreamController<Presence> onPresence = StreamController.broadcast();
|
|
|
|
/// Callback will be called on account data updates.
|
|
final StreamController<BasicEvent> onAccountData =
|
|
StreamController.broadcast();
|
|
|
|
/// Will be called on call invites.
|
|
final StreamController<Event> onCallInvite = StreamController.broadcast();
|
|
|
|
/// Will be called on call hangups.
|
|
final StreamController<Event> onCallHangup = StreamController.broadcast();
|
|
|
|
/// Will be called on call candidates.
|
|
final StreamController<Event> onCallCandidates = StreamController.broadcast();
|
|
|
|
/// Will be called on call answers.
|
|
final StreamController<Event> onCallAnswer = StreamController.broadcast();
|
|
|
|
/// Will be called on call replaces.
|
|
final StreamController<Event> onCallReplaces = StreamController.broadcast();
|
|
|
|
/// Will be called on select answers.
|
|
final StreamController<Event> onCallSelectAnswer =
|
|
StreamController.broadcast();
|
|
|
|
/// Will be called on rejects.
|
|
final StreamController<Event> onCallReject = StreamController.broadcast();
|
|
|
|
/// Will be called on negotiates.
|
|
final StreamController<Event> onCallNegotiate = StreamController.broadcast();
|
|
|
|
/// Will be called on Asserted Identity received.
|
|
final StreamController<Event> onAssertedIdentityReceived =
|
|
StreamController.broadcast();
|
|
|
|
/// Will be called on SDPStream Metadata changed.
|
|
final StreamController<Event> onSDPStreamMetadataChangedReceived =
|
|
StreamController.broadcast();
|
|
|
|
/// Will be called when another device is requesting session keys for a room.
|
|
final StreamController<RoomKeyRequest> onRoomKeyRequest =
|
|
StreamController.broadcast();
|
|
|
|
/// Will be called when another device is requesting verification with this device.
|
|
final StreamController<KeyVerification> onKeyVerificationRequest =
|
|
StreamController.broadcast();
|
|
|
|
/// When the library calls an endpoint that needs UIA the `UiaRequest` is passed down this screen.
|
|
/// The client can open a UIA prompt based on this.
|
|
final StreamController<UiaRequest> onUiaRequest =
|
|
StreamController.broadcast();
|
|
|
|
/// How long should the app wait until it retrys the synchronisation after
|
|
/// an error?
|
|
int syncErrorTimeoutSec = 3;
|
|
|
|
@Deprecated('Use init() instead')
|
|
void connect({
|
|
String? newToken,
|
|
Uri? newHomeserver,
|
|
String? newUserID,
|
|
String? newDeviceName,
|
|
String? newDeviceID,
|
|
String? newOlmAccount,
|
|
}) =>
|
|
init(
|
|
newToken: newToken,
|
|
newHomeserver: newHomeserver,
|
|
newUserID: newUserID,
|
|
newDeviceName: newDeviceName,
|
|
newDeviceID: newDeviceID,
|
|
newOlmAccount: newOlmAccount,
|
|
);
|
|
|
|
bool _initLock = false;
|
|
|
|
/// Sets the user credentials and starts the synchronisation.
|
|
///
|
|
/// Before you can connect you need at least an [accessToken], a [homeserver],
|
|
/// a [userID], a [deviceID], and a [deviceName].
|
|
///
|
|
/// Usually you don't need to call this method yourself because [login()], [register()]
|
|
/// and even the constructor calls it.
|
|
///
|
|
/// Sends [LoginState.loggedIn] to [onLoginStateChanged].
|
|
///
|
|
/// If one of [newToken], [newUserID], [newDeviceID], [newDeviceName] is set then
|
|
/// all of them must be set! If you don't set them, this method will try to
|
|
/// get them from the database.
|
|
///
|
|
/// Set [waitForFirstSync] and [waitUntilLoadCompletedLoaded] to false to speed this
|
|
/// up. You can then wait for `roomsLoading`, `accountDataLoading` and
|
|
/// `userDeviceKeysLoading` where it is necessary.
|
|
Future<void> init({
|
|
String? newToken,
|
|
Uri? newHomeserver,
|
|
String? newUserID,
|
|
String? newDeviceName,
|
|
String? newDeviceID,
|
|
String? newOlmAccount,
|
|
bool waitForFirstSync = true,
|
|
bool waitUntilLoadCompletedLoaded = true,
|
|
}) async {
|
|
if ((newToken != null ||
|
|
newUserID != null ||
|
|
newDeviceID != null ||
|
|
newDeviceName != null) &&
|
|
(newToken == null ||
|
|
newUserID == null ||
|
|
newDeviceID == null ||
|
|
newDeviceName == null)) {
|
|
throw Exception(
|
|
'If one of [newToken, newUserID, newDeviceID, newDeviceName] is set then all of them must be set!');
|
|
}
|
|
|
|
if (_initLock) throw Exception('[init()] has been called multiple times!');
|
|
_initLock = true;
|
|
try {
|
|
Logs().i('Initialize client $clientName');
|
|
if (isLogged()) {
|
|
throw Exception('User is already logged in! Call [logout()] first!');
|
|
}
|
|
|
|
final databaseBuilder = this.databaseBuilder;
|
|
if (databaseBuilder != null) {
|
|
_database ??= await runBenchmarked<DatabaseApi>(
|
|
'Build database',
|
|
() async => await databaseBuilder(this),
|
|
);
|
|
}
|
|
|
|
String? olmAccount;
|
|
String? accessToken;
|
|
String? _userID;
|
|
final account = await this.database?.getClient(clientName);
|
|
if (account != null) {
|
|
_id = account['client_id'];
|
|
homeserver = Uri.parse(account['homeserver_url']);
|
|
accessToken = this.accessToken = account['token'];
|
|
_userID = this._userID = account['user_id'];
|
|
_deviceID = account['device_id'];
|
|
_deviceName = account['device_name'];
|
|
syncFilterId = account['sync_filter_id'];
|
|
prevBatch = account['prev_batch'];
|
|
olmAccount = account['olm_account'];
|
|
}
|
|
if (newToken != null) {
|
|
accessToken = this.accessToken = newToken;
|
|
homeserver = newHomeserver;
|
|
_userID = this._userID = newUserID;
|
|
_deviceID = newDeviceID;
|
|
_deviceName = newDeviceName;
|
|
olmAccount = newOlmAccount;
|
|
} else {
|
|
accessToken = this.accessToken = newToken ?? accessToken;
|
|
homeserver = newHomeserver ?? homeserver;
|
|
_userID = this._userID = newUserID ?? _userID;
|
|
_deviceID = newDeviceID ?? _deviceID;
|
|
_deviceName = newDeviceName ?? _deviceName;
|
|
olmAccount = newOlmAccount ?? olmAccount;
|
|
}
|
|
|
|
if (accessToken == null || homeserver == null || _userID == null) {
|
|
if (legacyDatabaseBuilder != null) {
|
|
await _migrateFromLegacyDatabase();
|
|
if (isLogged()) return;
|
|
}
|
|
// we aren't logged in
|
|
encryption?.dispose();
|
|
encryption = null;
|
|
_loginState = LoginState.loggedOut;
|
|
Logs().i('User is not logged in.');
|
|
_initLock = false;
|
|
return;
|
|
}
|
|
|
|
encryption?.dispose();
|
|
try {
|
|
// make sure to throw an exception if libolm doesn't exist
|
|
await olm.init();
|
|
olm.get_library_version();
|
|
encryption = Encryption(client: this);
|
|
} catch (_) {
|
|
encryption?.dispose();
|
|
encryption = null;
|
|
}
|
|
await encryption?.init(olmAccount);
|
|
|
|
final database = this.database;
|
|
if (database != null) {
|
|
if (id != null) {
|
|
await database.updateClient(
|
|
homeserver.toString(),
|
|
accessToken,
|
|
_userID,
|
|
_deviceID,
|
|
_deviceName,
|
|
prevBatch,
|
|
encryption?.pickledOlmAccount,
|
|
);
|
|
} else {
|
|
_id = await database.insertClient(
|
|
clientName,
|
|
homeserver.toString(),
|
|
accessToken,
|
|
_userID,
|
|
_deviceID,
|
|
_deviceName,
|
|
prevBatch,
|
|
encryption?.pickledOlmAccount,
|
|
);
|
|
}
|
|
userDeviceKeysLoading = database
|
|
.getUserDeviceKeys(this)
|
|
.then((keys) => _userDeviceKeys = keys);
|
|
roomsLoading = database.getRoomList(this).then((rooms) {
|
|
_rooms = rooms;
|
|
_sortRooms();
|
|
});
|
|
accountDataLoading =
|
|
database.getAccountData().then((data) => accountData = data);
|
|
presences.clear();
|
|
if (waitUntilLoadCompletedLoaded) {
|
|
await userDeviceKeysLoading;
|
|
await roomsLoading;
|
|
await accountDataLoading;
|
|
}
|
|
}
|
|
_initLock = false;
|
|
_loginState = LoginState.loggedIn;
|
|
Logs().i(
|
|
'Successfully connected as ${userID?.localpart} with ${homeserver.toString()}',
|
|
);
|
|
|
|
final syncFuture = _sync();
|
|
if (waitForFirstSync) {
|
|
await syncFuture;
|
|
}
|
|
return;
|
|
} catch (e, s) {
|
|
Logs().e('Initialization failed', e, s);
|
|
await logout().catchError((_) => null);
|
|
onLoginStateChanged.addError(e, s);
|
|
_initLock = false;
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
/// Used for testing only
|
|
void setUserId(String s) {
|
|
_userID = s;
|
|
}
|
|
|
|
/// Resets all settings and stops the synchronisation.
|
|
Future<void> clear() async {
|
|
Logs().outputEvents.clear();
|
|
try {
|
|
await abortSync();
|
|
await database?.clear();
|
|
_backgroundSync = true;
|
|
} catch (e, s) {
|
|
Logs().e('Unable to clear database', e, s);
|
|
} finally {
|
|
_database = null;
|
|
}
|
|
|
|
_id = accessToken = syncFilterId =
|
|
homeserver = _userID = _deviceID = _deviceName = prevBatch = null;
|
|
_rooms = [];
|
|
encryption?.dispose();
|
|
encryption = null;
|
|
final databaseDestroyer = this.databaseDestroyer;
|
|
if (databaseDestroyer != null) {
|
|
try {
|
|
await database?.close();
|
|
} catch (e, s) {
|
|
Logs().e('Unable to close database', e, s);
|
|
}
|
|
await databaseDestroyer(this);
|
|
_database = null;
|
|
}
|
|
_loginState = LoginState.loggedOut;
|
|
}
|
|
|
|
bool _backgroundSync = true;
|
|
Future<void>? _currentSync;
|
|
Future<void> _retryDelay = Future.value();
|
|
|
|
bool get syncPending => _currentSync != null;
|
|
|
|
/// Controls the background sync (automatically looping forever if turned on).
|
|
set backgroundSync(bool enabled) {
|
|
_backgroundSync = enabled;
|
|
if (_backgroundSync) {
|
|
_sync();
|
|
}
|
|
}
|
|
|
|
/// Immediately start a sync and wait for completion.
|
|
/// If there is an active sync already, wait for the active sync instead.
|
|
Future<void> oneShotSync() {
|
|
return _sync();
|
|
}
|
|
|
|
Future<void> _sync() async {
|
|
if (_currentSync == null) {
|
|
final _currentSync = this._currentSync = _innerSync();
|
|
// ignore: unawaited_futures
|
|
_currentSync.whenComplete(() {
|
|
this._currentSync = null;
|
|
if (_backgroundSync && isLogged() && !_disposed) {
|
|
_sync();
|
|
}
|
|
});
|
|
}
|
|
await _currentSync;
|
|
}
|
|
|
|
/// Presence that is set on sync.
|
|
PresenceType? syncPresence;
|
|
|
|
Future<void> _checkSyncFilter() async {
|
|
final userID = this.userID;
|
|
if (syncFilterId == null && userID != null) {
|
|
final syncFilterId =
|
|
this.syncFilterId = await defineFilter(userID, syncFilter);
|
|
await database?.storeSyncFilterId(syncFilterId);
|
|
}
|
|
return;
|
|
}
|
|
|
|
Future<void> _innerSync() async {
|
|
await _retryDelay;
|
|
_retryDelay = Future.delayed(Duration(seconds: syncErrorTimeoutSec));
|
|
if (!isLogged() || _disposed || _aborted) return null;
|
|
try {
|
|
if (_initLock) {
|
|
Logs().d('Running sync while init isn\'t done yet, dropping request');
|
|
return;
|
|
}
|
|
var syncError;
|
|
await _checkSyncFilter();
|
|
final syncRequest = sync(
|
|
filter: syncFilterId,
|
|
since: prevBatch,
|
|
timeout: prevBatch != null ? 30000 : null,
|
|
setPresence: syncPresence,
|
|
).then((v) => Future<SyncUpdate?>.value(v)).catchError((e) {
|
|
syncError = e;
|
|
return null;
|
|
});
|
|
_currentSyncId = syncRequest.hashCode;
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.waitingForResponse));
|
|
final syncResp = await syncRequest;
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.processing));
|
|
if (syncResp == null) throw syncError ?? 'Unknown sync error';
|
|
if (_currentSyncId != syncRequest.hashCode) {
|
|
Logs()
|
|
.w('Current sync request ID has changed. Dropping this sync loop!');
|
|
return;
|
|
}
|
|
|
|
final database = this.database;
|
|
if (database != null) {
|
|
await userDeviceKeysLoading;
|
|
await roomsLoading;
|
|
await accountDataLoading;
|
|
_currentTransaction = database.transaction(() async {
|
|
await _handleSync(syncResp);
|
|
if (prevBatch != syncResp.nextBatch) {
|
|
await database.storePrevBatch(syncResp.nextBatch);
|
|
}
|
|
});
|
|
await runBenchmarked(
|
|
'Process sync',
|
|
() async => await _currentTransaction,
|
|
syncResp.itemCount,
|
|
);
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.cleaningUp));
|
|
} else {
|
|
await _handleSync(syncResp);
|
|
}
|
|
if (_disposed || _aborted) return;
|
|
if (prevBatch == null) {
|
|
onFirstSync.add(true);
|
|
prevBatch = syncResp.nextBatch;
|
|
}
|
|
prevBatch = syncResp.nextBatch;
|
|
// ignore: unawaited_futures
|
|
database?.deleteOldFiles(
|
|
DateTime.now().subtract(Duration(days: 30)).millisecondsSinceEpoch);
|
|
await updateUserDeviceKeys();
|
|
if (encryptionEnabled) {
|
|
encryption?.onSync();
|
|
}
|
|
|
|
// try to process the to_device queue
|
|
try {
|
|
await processToDeviceQueue();
|
|
} catch (_) {} // we want to dispose any errors this throws
|
|
|
|
_retryDelay = Future.value();
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.finished));
|
|
} on MatrixException catch (e, s) {
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.error,
|
|
error: SdkError(exception: e, stackTrace: s)));
|
|
if (e.error == MatrixError.M_UNKNOWN_TOKEN) {
|
|
Logs().w('The user has been logged out!');
|
|
await clear();
|
|
}
|
|
} on MatrixConnectionException catch (e, s) {
|
|
Logs().w('Synchronization connection failed');
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.error,
|
|
error: SdkError(exception: e, stackTrace: s)));
|
|
} catch (e, s) {
|
|
if (!isLogged() || _disposed || _aborted) return;
|
|
Logs().e('Error during processing events', e, s);
|
|
onSyncStatus.add(SyncStatusUpdate(SyncStatus.error,
|
|
error: SdkError(
|
|
exception: e is Exception ? e : Exception(e), stackTrace: s)));
|
|
}
|
|
}
|
|
|
|
/// Use this method only for testing utilities!
|
|
Future<void> handleSync(SyncUpdate sync, {bool sortAtTheEnd = false}) async {
|
|
// ensure we don't upload keys because someone forgot to set a key count
|
|
sync.deviceOneTimeKeysCount ??= {'signed_curve25519': 100};
|
|
await _handleSync(sync, sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
|
|
Future<void> _handleSync(SyncUpdate sync, {bool sortAtTheEnd = false}) async {
|
|
final syncToDevice = sync.toDevice;
|
|
if (syncToDevice != null) {
|
|
await _handleToDeviceEvents(syncToDevice);
|
|
}
|
|
|
|
if (sync.rooms != null) {
|
|
final join = sync.rooms?.join;
|
|
if (join != null) {
|
|
await _handleRooms(join, sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
final invite = sync.rooms?.invite;
|
|
if (invite != null) {
|
|
await _handleRooms(invite, sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
final leave = sync.rooms?.leave;
|
|
if (leave != null) {
|
|
await _handleRooms(leave, sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
}
|
|
for (final newPresence in sync.presence ?? []) {
|
|
presences[newPresence.senderId] = newPresence;
|
|
onPresence.add(newPresence);
|
|
}
|
|
for (final newAccountData in sync.accountData ?? []) {
|
|
await database?.storeAccountData(
|
|
newAccountData.type,
|
|
jsonEncode(newAccountData.content),
|
|
);
|
|
accountData[newAccountData.type] = newAccountData;
|
|
onAccountData.add(newAccountData);
|
|
}
|
|
|
|
final syncDeviceLists = sync.deviceLists;
|
|
if (syncDeviceLists != null) {
|
|
await _handleDeviceListsEvents(syncDeviceLists);
|
|
}
|
|
if (encryptionEnabled) {
|
|
encryption?.handleDeviceOneTimeKeysCount(
|
|
sync.deviceOneTimeKeysCount, sync.deviceUnusedFallbackKeyTypes);
|
|
}
|
|
_sortRooms();
|
|
onSync.add(sync);
|
|
}
|
|
|
|
Future<void> _handleDeviceListsEvents(DeviceListsUpdate deviceLists) async {
|
|
if (deviceLists.changed is List) {
|
|
for (final userId in deviceLists.changed ?? []) {
|
|
final userKeys = _userDeviceKeys[userId];
|
|
if (userKeys != null) {
|
|
userKeys.outdated = true;
|
|
await database?.storeUserDeviceKeysInfo(userId, true);
|
|
}
|
|
}
|
|
for (final userId in deviceLists.left ?? []) {
|
|
if (_userDeviceKeys.containsKey(userId)) {
|
|
_userDeviceKeys.remove(userId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Future<void> _handleToDeviceEvents(List<BasicEventWithSender> events) async {
|
|
for (final event in events) {
|
|
var toDeviceEvent = ToDeviceEvent.fromJson(event.toJson());
|
|
Logs().v('Got to_device event of type ${toDeviceEvent.type}');
|
|
if (toDeviceEvent.type == EventTypes.Encrypted && encryptionEnabled) {
|
|
toDeviceEvent = await encryption!.decryptToDeviceEvent(toDeviceEvent);
|
|
Logs().v('Decrypted type is: ${toDeviceEvent.type}');
|
|
}
|
|
if (encryptionEnabled) {
|
|
await encryption?.handleToDeviceEvent(toDeviceEvent);
|
|
}
|
|
onToDeviceEvent.add(toDeviceEvent);
|
|
}
|
|
}
|
|
|
|
Future<void> _handleRooms(Map<String, SyncRoomUpdate> rooms,
|
|
{bool sortAtTheEnd = false}) async {
|
|
var handledRooms = 0;
|
|
for (final entry in rooms.entries) {
|
|
onSyncStatus.add(SyncStatusUpdate(
|
|
SyncStatus.processing,
|
|
progress: ++handledRooms / rooms.length,
|
|
));
|
|
final id = entry.key;
|
|
final room = entry.value;
|
|
|
|
await database?.storeRoomUpdate(id, room, this);
|
|
_updateRoomsByRoomUpdate(id, room);
|
|
|
|
/// Handle now all room events and save them in the database
|
|
if (room is JoinedRoomUpdate) {
|
|
final state = room.state;
|
|
if (state != null && state.isNotEmpty) {
|
|
// TODO: This method seems to be comperatively slow for some updates
|
|
await _handleRoomEvents(
|
|
id, state.map((i) => i.toJson()).toList(), EventUpdateType.state,
|
|
sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
|
|
final timelineEvents = room.timeline?.events;
|
|
if (timelineEvents != null && timelineEvents.isNotEmpty) {
|
|
await _handleRoomEvents(
|
|
id,
|
|
timelineEvents.map((i) => i.toJson()).toList(),
|
|
sortAtTheEnd ? EventUpdateType.history : EventUpdateType.timeline,
|
|
sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
|
|
final ephemeral = room.ephemeral;
|
|
if (ephemeral != null && ephemeral.isNotEmpty) {
|
|
// TODO: This method seems to be comperatively slow for some updates
|
|
await _handleEphemerals(
|
|
id, ephemeral.map((i) => i.toJson()).toList());
|
|
}
|
|
|
|
final accountData = room.accountData;
|
|
if (accountData != null && accountData.isNotEmpty) {
|
|
await _handleRoomEvents(
|
|
id,
|
|
accountData.map((i) => i.toJson()).toList(),
|
|
EventUpdateType.accountData);
|
|
}
|
|
}
|
|
|
|
if (room is LeftRoomUpdate) {
|
|
final timelineEvents = room.timeline?.events;
|
|
if (timelineEvents != null && timelineEvents.isNotEmpty) {
|
|
await _handleRoomEvents(
|
|
id,
|
|
timelineEvents.map((i) => i.toJson()).toList(),
|
|
EventUpdateType.timeline,
|
|
sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
final accountData = room.accountData;
|
|
if (accountData != null && accountData.isNotEmpty) {
|
|
await _handleRoomEvents(
|
|
id,
|
|
accountData.map((i) => i.toJson()).toList(),
|
|
EventUpdateType.accountData);
|
|
}
|
|
final state = room.state;
|
|
if (state != null && state.isNotEmpty) {
|
|
await _handleRoomEvents(
|
|
id, state.map((i) => i.toJson()).toList(), EventUpdateType.state);
|
|
}
|
|
}
|
|
|
|
if (room is InvitedRoomUpdate) {
|
|
final state = room.inviteState;
|
|
if (state != null && state.isNotEmpty) {
|
|
await _handleRoomEvents(id, state.map((i) => i.toJson()).toList(),
|
|
EventUpdateType.inviteState);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Future<void> _handleEphemerals(String id, List<dynamic> events) async {
|
|
for (final event in events) {
|
|
await _handleEvent(event, id, EventUpdateType.ephemeral);
|
|
|
|
// Receipt events are deltas between two states. We will create a
|
|
// fake room account data event for this and store the difference
|
|
// there.
|
|
if (event['type'] == 'm.receipt') {
|
|
var room = getRoomById(id);
|
|
room ??= Room(id: id, client: this);
|
|
|
|
final receiptStateContent =
|
|
room.roomAccountData['m.receipt']?.content ?? {};
|
|
for (final eventEntry in event['content'].entries) {
|
|
final String eventID = eventEntry.key;
|
|
if (event['content'][eventID]['m.read'] != null) {
|
|
final Map<String, dynamic> userTimestampMap =
|
|
event['content'][eventID]['m.read'];
|
|
for (final userTimestampMapEntry in userTimestampMap.entries) {
|
|
final mxid = userTimestampMapEntry.key;
|
|
|
|
// Remove previous receipt event from this user
|
|
if (receiptStateContent[eventID] is Map<String, dynamic> &&
|
|
receiptStateContent[eventID]['m.read']
|
|
is Map<String, dynamic> &&
|
|
receiptStateContent[eventID]['m.read'].containsKey(mxid)) {
|
|
receiptStateContent[eventID]['m.read'].remove(mxid);
|
|
}
|
|
if (userTimestampMap[mxid] is Map<String, dynamic> &&
|
|
userTimestampMap[mxid].containsKey('ts')) {
|
|
receiptStateContent[mxid] = {
|
|
'event_id': eventID,
|
|
'ts': userTimestampMap[mxid]['ts'],
|
|
};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
event['content'] = receiptStateContent;
|
|
await _handleEvent(event, id, EventUpdateType.accountData);
|
|
}
|
|
}
|
|
}
|
|
|
|
Future<void> _handleRoomEvents(
|
|
String chat_id, List<dynamic> events, EventUpdateType type,
|
|
{bool sortAtTheEnd = false}) async {
|
|
for (final event in events) {
|
|
await _handleEvent(event, chat_id, type, sortAtTheEnd: sortAtTheEnd);
|
|
}
|
|
}
|
|
|
|
Future<void> _handleEvent(
|
|
Map<String, dynamic> event, String roomID, EventUpdateType type,
|
|
{bool sortAtTheEnd = false}) async {
|
|
if (event['type'] is String && event['content'] is Map<String, dynamic>) {
|
|
// The client must ignore any new m.room.encryption event to prevent
|
|
// man-in-the-middle attacks!
|
|
final room = getRoomById(roomID);
|
|
if (room == null ||
|
|
(event['type'] == EventTypes.Encryption &&
|
|
room.encrypted &&
|
|
event['content']['algorithm'] !=
|
|
room.getState(EventTypes.Encryption)?.content['algorithm'])) {
|
|
return;
|
|
}
|
|
|
|
var update = EventUpdate(
|
|
roomID: roomID,
|
|
type: type,
|
|
content: event,
|
|
);
|
|
if (event['type'] == EventTypes.Encrypted && encryptionEnabled) {
|
|
update = await update.decrypt(room);
|
|
}
|
|
if (event['type'] == EventTypes.Message &&
|
|
!room.isDirectChat &&
|
|
database != null &&
|
|
room.getState(EventTypes.RoomMember, event['sender']) == null) {
|
|
// In order to correctly render room list previews we need to fetch the member from the database
|
|
final user = await database?.getUser(event['sender'], room);
|
|
if (user != null) {
|
|
room.setState(user);
|
|
}
|
|
}
|
|
_updateRoomsByEventUpdate(update);
|
|
if (type != EventUpdateType.ephemeral) {
|
|
await database?.storeEventUpdate(update, this);
|
|
}
|
|
if (encryptionEnabled) {
|
|
await encryption?.handleEventUpdate(update);
|
|
}
|
|
onEvent.add(update);
|
|
|
|
final rawUnencryptedEvent = update.content;
|
|
|
|
if (prevBatch != null && type == EventUpdateType.timeline) {
|
|
if (rawUnencryptedEvent['type'] == EventTypes.CallInvite) {
|
|
onCallInvite.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallHangup) {
|
|
onCallHangup.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallAnswer) {
|
|
onCallAnswer.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallCandidates) {
|
|
onCallCandidates.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallSelectAnswer) {
|
|
onCallSelectAnswer.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallReject) {
|
|
onCallReject.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallNegotiate) {
|
|
onCallNegotiate.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] == EventTypes.CallReplaces) {
|
|
onCallReplaces.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] ==
|
|
EventTypes.CallAssertedIdentity ||
|
|
rawUnencryptedEvent['type'] ==
|
|
EventTypes.CallAssertedIdentityPrefix) {
|
|
onAssertedIdentityReceived
|
|
.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
} else if (rawUnencryptedEvent['type'] ==
|
|
EventTypes.CallSDPStreamMetadataChanged ||
|
|
rawUnencryptedEvent['type'] ==
|
|
EventTypes.CallSDPStreamMetadataChangedPrefix) {
|
|
onSDPStreamMetadataChangedReceived
|
|
.add(Event.fromJson(rawUnencryptedEvent, room));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void _updateRoomsByRoomUpdate(String roomId, SyncRoomUpdate chatUpdate) {
|
|
// Update the chat list item.
|
|
// Search the room in the rooms
|
|
final roomIndex = rooms.indexWhere((r) => r.id == roomId);
|
|
final found = roomIndex != -1;
|
|
final membership = chatUpdate is LeftRoomUpdate
|
|
? Membership.leave
|
|
: chatUpdate is InvitedRoomUpdate
|
|
? Membership.invite
|
|
: Membership.join;
|
|
|
|
// Does the chat already exist in the list rooms?
|
|
if (!found && membership != Membership.leave) {
|
|
final position = membership == Membership.invite ? 0 : rooms.length;
|
|
// Add the new chat to the list
|
|
final newRoom = chatUpdate is JoinedRoomUpdate
|
|
? Room(
|
|
id: roomId,
|
|
membership: membership,
|
|
prev_batch: chatUpdate.timeline?.prevBatch,
|
|
highlightCount:
|
|
chatUpdate.unreadNotifications?.highlightCount ?? 0,
|
|
notificationCount:
|
|
chatUpdate.unreadNotifications?.notificationCount ?? 0,
|
|
summary: chatUpdate.summary,
|
|
client: this,
|
|
)
|
|
: Room(id: roomId, membership: membership, client: this);
|
|
rooms.insert(position, newRoom);
|
|
}
|
|
// If the membership is "leave" then remove the item and stop here
|
|
else if (found && membership == Membership.leave) {
|
|
rooms.removeAt(roomIndex);
|
|
}
|
|
// Update notification, highlight count and/or additional informations
|
|
else if (found &&
|
|
chatUpdate is JoinedRoomUpdate &&
|
|
(rooms[roomIndex].membership != membership ||
|
|
rooms[roomIndex].notificationCount !=
|
|
(chatUpdate.unreadNotifications?.notificationCount ?? 0) ||
|
|
rooms[roomIndex].highlightCount !=
|
|
(chatUpdate.unreadNotifications?.highlightCount ?? 0) ||
|
|
chatUpdate.summary != null ||
|
|
chatUpdate.timeline?.prevBatch != null)) {
|
|
rooms[roomIndex].membership = membership;
|
|
rooms[roomIndex].notificationCount =
|
|
chatUpdate.unreadNotifications?.notificationCount ?? 0;
|
|
rooms[roomIndex].highlightCount =
|
|
chatUpdate.unreadNotifications?.highlightCount ?? 0;
|
|
if (chatUpdate.timeline?.prevBatch != null) {
|
|
rooms[roomIndex].prev_batch = chatUpdate.timeline?.prevBatch;
|
|
}
|
|
|
|
final summary = chatUpdate.summary;
|
|
if (summary != null) {
|
|
final roomSummaryJson = rooms[roomIndex].summary.toJson()
|
|
..addAll(summary.toJson());
|
|
rooms[roomIndex].summary = RoomSummary.fromJson(roomSummaryJson);
|
|
}
|
|
rooms[roomIndex].onUpdate.add(rooms[roomIndex].id);
|
|
if ((chatUpdate.timeline?.limited ?? false) &&
|
|
requestHistoryOnLimitedTimeline) {
|
|
Logs().v(
|
|
'Limited timeline for ${rooms[roomIndex].id} request history now');
|
|
runInRoot(rooms[roomIndex].requestHistory);
|
|
}
|
|
}
|
|
}
|
|
|
|
void _updateRoomsByEventUpdate(EventUpdate eventUpdate) {
|
|
if (eventUpdate.type == EventUpdateType.history) return;
|
|
|
|
final room = getRoomById(eventUpdate.roomID);
|
|
if (room == null) return;
|
|
|
|
switch (eventUpdate.type) {
|
|
case EventUpdateType.timeline:
|
|
case EventUpdateType.state:
|
|
case EventUpdateType.inviteState:
|
|
final stateEvent = Event.fromJson(eventUpdate.content, room);
|
|
if (stateEvent.type == EventTypes.Redaction) {
|
|
final String redacts = eventUpdate.content['redacts'];
|
|
room.states.forEach(
|
|
(String key, Map<String, Event> states) => states.forEach(
|
|
(String key, Event state) {
|
|
if (state.eventId == redacts) {
|
|
state.setRedactionEvent(stateEvent);
|
|
}
|
|
},
|
|
),
|
|
);
|
|
} else {
|
|
// We want to set state the in-memory cache for the room with the new event.
|
|
// To do this, we have to respect to not save edits, unless they edit the
|
|
// current last event.
|
|
// Additionally, we only store the event in-memory if the room has either been
|
|
// post-loaded or the event is animportant state event.
|
|
final noMessageOrNoEdit = stateEvent.type != EventTypes.Message ||
|
|
stateEvent.relationshipType != RelationshipTypes.edit;
|
|
final editingLastEvent =
|
|
stateEvent.relationshipEventId == room.lastEvent?.eventId;
|
|
final consecutiveEdit =
|
|
room.lastEvent?.relationshipType == RelationshipTypes.edit &&
|
|
stateEvent.relationshipEventId ==
|
|
room.lastEvent?.relationshipEventId;
|
|
final importantOrRoomLoaded =
|
|
eventUpdate.type == EventUpdateType.inviteState ||
|
|
!room.partial ||
|
|
importantStateEvents.contains(stateEvent.type);
|
|
if ((noMessageOrNoEdit || editingLastEvent || consecutiveEdit) &&
|
|
importantOrRoomLoaded) {
|
|
room.setState(stateEvent);
|
|
}
|
|
}
|
|
break;
|
|
case EventUpdateType.accountData:
|
|
room.roomAccountData[eventUpdate.content['type']] =
|
|
BasicRoomEvent.fromJson(eventUpdate.content);
|
|
break;
|
|
case EventUpdateType.ephemeral:
|
|
room.ephemerals[eventUpdate.content['type']] =
|
|
BasicRoomEvent.fromJson(eventUpdate.content);
|
|
break;
|
|
case EventUpdateType.history:
|
|
break;
|
|
}
|
|
room.onUpdate.add(room.id);
|
|
}
|
|
|
|
bool _sortLock = false;
|
|
|
|
/// If `true` then unread rooms are pinned at the top of the room list.
|
|
bool pinUnreadRooms;
|
|
|
|
/// If `true` then unread rooms are pinned at the top of the room list.
|
|
bool pinInvitedRooms;
|
|
|
|
/// The compare function how the rooms should be sorted internally. By default
|
|
/// rooms are sorted by timestamp of the last m.room.message event or the last
|
|
/// event if there is no known message.
|
|
RoomSorter get sortRoomsBy => (a, b) => (a.isFavourite != b.isFavourite)
|
|
? (a.isFavourite ? -1 : 1)
|
|
: (pinUnreadRooms && a.notificationCount != b.notificationCount)
|
|
? b.notificationCount.compareTo(a.notificationCount)
|
|
: b.timeCreated.millisecondsSinceEpoch
|
|
.compareTo(a.timeCreated.millisecondsSinceEpoch);
|
|
|
|
void _sortRooms() {
|
|
if (_sortLock || rooms.length < 2) return;
|
|
_sortLock = true;
|
|
rooms.sort(sortRoomsBy);
|
|
_sortLock = false;
|
|
}
|
|
|
|
Future? userDeviceKeysLoading;
|
|
Future? roomsLoading;
|
|
Future? accountDataLoading;
|
|
|
|
/// A map of known device keys per user.
|
|
Map<String, DeviceKeysList> get userDeviceKeys => _userDeviceKeys;
|
|
Map<String, DeviceKeysList> _userDeviceKeys = {};
|
|
|
|
/// Gets user device keys by its curve25519 key. Returns null if it isn't found
|
|
DeviceKeys? getUserDeviceKeysByCurve25519Key(String senderKey) {
|
|
for (final user in userDeviceKeys.values) {
|
|
final device = user.deviceKeys.values
|
|
.firstWhereOrNull((e) => e.curve25519Key == senderKey);
|
|
if (device != null) {
|
|
return device;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
Future<Set<String>> _getUserIdsInEncryptedRooms() async {
|
|
final userIds = <String>{};
|
|
for (final room in rooms) {
|
|
if (room.encrypted) {
|
|
try {
|
|
final userList = await room.requestParticipants();
|
|
for (final user in userList) {
|
|
if ([Membership.join, Membership.invite]
|
|
.contains(user.membership)) {
|
|
userIds.add(user.id);
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logs().e('[E2EE] Failed to fetch participants', e, s);
|
|
}
|
|
}
|
|
}
|
|
return userIds;
|
|
}
|
|
|
|
final Map<String, DateTime> _keyQueryFailures = {};
|
|
|
|
Future<void> updateUserDeviceKeys() async {
|
|
try {
|
|
final database = this.database;
|
|
if (!isLogged() || database == null) return;
|
|
final dbActions = <Future<dynamic> Function()>[];
|
|
final trackedUserIds = await _getUserIdsInEncryptedRooms();
|
|
if (!isLogged()) return;
|
|
trackedUserIds.add(userID!);
|
|
|
|
// Remove all userIds we no longer need to track the devices of.
|
|
_userDeviceKeys
|
|
.removeWhere((String userId, v) => !trackedUserIds.contains(userId));
|
|
|
|
// Check if there are outdated device key lists. Add it to the set.
|
|
final outdatedLists = <String, List<String>>{};
|
|
for (final userId in trackedUserIds) {
|
|
final deviceKeysList =
|
|
_userDeviceKeys[userId] ??= DeviceKeysList(userId, this);
|
|
final failure = _keyQueryFailures[userId.domain];
|
|
|
|
// deviceKeysList.outdated is not nullable but we have seen this error
|
|
// in production: `Failed assertion: boolean expression must not be null`
|
|
// So this could either be a null safety bug in Dart or a result of
|
|
// using unsound null safety. The extra equal check `!= false` should
|
|
// save us here.
|
|
if (deviceKeysList.outdated != false &&
|
|
(failure == null ||
|
|
DateTime.now()
|
|
.subtract(Duration(minutes: 5))
|
|
.isAfter(failure))) {
|
|
outdatedLists[userId] = [];
|
|
}
|
|
}
|
|
|
|
if (outdatedLists.isNotEmpty) {
|
|
// Request the missing device key lists from the server.
|
|
final response = await queryKeys(outdatedLists, timeout: 10000);
|
|
if (!isLogged()) return;
|
|
|
|
final deviceKeys = response.deviceKeys;
|
|
if (deviceKeys != null) {
|
|
for (final rawDeviceKeyListEntry in deviceKeys.entries) {
|
|
final userId = rawDeviceKeyListEntry.key;
|
|
final userKeys =
|
|
_userDeviceKeys[userId] ??= DeviceKeysList(userId, this);
|
|
final oldKeys = Map<String, DeviceKeys>.from(userKeys.deviceKeys);
|
|
userKeys.deviceKeys = {};
|
|
for (final rawDeviceKeyEntry
|
|
in rawDeviceKeyListEntry.value.entries) {
|
|
final deviceId = rawDeviceKeyEntry.key;
|
|
|
|
// Set the new device key for this device
|
|
final entry = DeviceKeys.fromMatrixDeviceKeys(
|
|
rawDeviceKeyEntry.value, this, oldKeys[deviceId]?.lastActive);
|
|
final ed25519Key = entry.ed25519Key;
|
|
final curve25519Key = entry.curve25519Key;
|
|
if (entry.isValid &&
|
|
deviceId == entry.deviceId &&
|
|
ed25519Key != null &&
|
|
curve25519Key != null) {
|
|
// Check if deviceId or deviceKeys are known
|
|
if (!oldKeys.containsKey(deviceId)) {
|
|
final oldPublicKeys =
|
|
await database.deviceIdSeen(userId, deviceId);
|
|
if (oldPublicKeys != null &&
|
|
oldPublicKeys != curve25519Key + ed25519Key) {
|
|
Logs().w(
|
|
'Already seen Device ID has been added again. This might be an attack!');
|
|
continue;
|
|
}
|
|
final oldDeviceId = await database.publicKeySeen(ed25519Key);
|
|
if (oldDeviceId != null && oldDeviceId != deviceId) {
|
|
Logs().w(
|
|
'Already seen ED25519 has been added again. This might be an attack!');
|
|
continue;
|
|
}
|
|
final oldDeviceId2 =
|
|
await database.publicKeySeen(curve25519Key);
|
|
if (oldDeviceId2 != null && oldDeviceId2 != deviceId) {
|
|
Logs().w(
|
|
'Already seen Curve25519 has been added again. This might be an attack!');
|
|
continue;
|
|
}
|
|
await database.addSeenDeviceId(
|
|
userId, deviceId, curve25519Key + ed25519Key);
|
|
await database.addSeenPublicKey(ed25519Key, deviceId);
|
|
await database.addSeenPublicKey(curve25519Key, deviceId);
|
|
}
|
|
|
|
// is this a new key or the same one as an old one?
|
|
// better store an update - the signatures might have changed!
|
|
final oldKey = oldKeys[deviceId];
|
|
if (oldKey == null ||
|
|
(oldKey.ed25519Key == entry.ed25519Key &&
|
|
oldKey.curve25519Key == entry.curve25519Key)) {
|
|
if (oldKey != null) {
|
|
// be sure to save the verified status
|
|
entry.setDirectVerified(oldKey.directVerified);
|
|
entry.blocked = oldKey.blocked;
|
|
entry.validSignatures = oldKey.validSignatures;
|
|
}
|
|
userKeys.deviceKeys[deviceId] = entry;
|
|
if (deviceId == deviceID &&
|
|
entry.ed25519Key == fingerprintKey) {
|
|
// Always trust the own device
|
|
entry.setDirectVerified(true);
|
|
}
|
|
dbActions.add(() => database.storeUserDeviceKey(
|
|
userId,
|
|
deviceId,
|
|
json.encode(entry.toJson()),
|
|
entry.directVerified,
|
|
entry.blocked,
|
|
entry.lastActive.millisecondsSinceEpoch,
|
|
));
|
|
} else if (oldKeys.containsKey(deviceId)) {
|
|
// This shouldn't ever happen. The same device ID has gotten
|
|
// a new public key. So we ignore the update. TODO: ask krille
|
|
// if we should instead use the new key with unknown verified / blocked status
|
|
userKeys.deviceKeys[deviceId] = oldKeys[deviceId]!;
|
|
}
|
|
} else {
|
|
Logs().w('Invalid device ${entry.userId}:${entry.deviceId}');
|
|
}
|
|
}
|
|
// delete old/unused entries
|
|
for (final oldDeviceKeyEntry in oldKeys.entries) {
|
|
final deviceId = oldDeviceKeyEntry.key;
|
|
if (!userKeys.deviceKeys.containsKey(deviceId)) {
|
|
// we need to remove an old key
|
|
dbActions
|
|
.add(() => database.removeUserDeviceKey(userId, deviceId));
|
|
}
|
|
}
|
|
userKeys.outdated = false;
|
|
dbActions
|
|
.add(() => database.storeUserDeviceKeysInfo(userId, false));
|
|
}
|
|
}
|
|
// next we parse and persist the cross signing keys
|
|
final crossSigningTypes = {
|
|
'master': response.masterKeys,
|
|
'self_signing': response.selfSigningKeys,
|
|
'user_signing': response.userSigningKeys,
|
|
};
|
|
for (final crossSigningKeysEntry in crossSigningTypes.entries) {
|
|
final keyType = crossSigningKeysEntry.key;
|
|
final keys = crossSigningKeysEntry.value;
|
|
if (keys == null) {
|
|
continue;
|
|
}
|
|
for (final crossSigningKeyListEntry in keys.entries) {
|
|
final userId = crossSigningKeyListEntry.key;
|
|
final userKeys =
|
|
_userDeviceKeys[userId] ??= DeviceKeysList(userId, this);
|
|
final oldKeys =
|
|
Map<String, CrossSigningKey>.from(userKeys.crossSigningKeys);
|
|
userKeys.crossSigningKeys = {};
|
|
// add the types we aren't handling atm back
|
|
for (final oldEntry in oldKeys.entries) {
|
|
if (!oldEntry.value.usage.contains(keyType)) {
|
|
userKeys.crossSigningKeys[oldEntry.key] = oldEntry.value;
|
|
} else {
|
|
// There is a previous cross-signing key with this usage, that we no
|
|
// longer need/use. Clear it from the database.
|
|
dbActions.add(() =>
|
|
database.removeUserCrossSigningKey(userId, oldEntry.key));
|
|
}
|
|
}
|
|
final entry = CrossSigningKey.fromMatrixCrossSigningKey(
|
|
crossSigningKeyListEntry.value, this);
|
|
final publicKey = entry.publicKey;
|
|
if (entry.isValid && publicKey != null) {
|
|
final oldKey = oldKeys[publicKey];
|
|
if (oldKey == null || oldKey.ed25519Key == entry.ed25519Key) {
|
|
if (oldKey != null) {
|
|
// be sure to save the verification status
|
|
entry.setDirectVerified(oldKey.directVerified);
|
|
entry.blocked = oldKey.blocked;
|
|
entry.validSignatures = oldKey.validSignatures;
|
|
}
|
|
userKeys.crossSigningKeys[publicKey] = entry;
|
|
} else {
|
|
// This shouldn't ever happen. The same device ID has gotten
|
|
// a new public key. So we ignore the update. TODO: ask krille
|
|
// if we should instead use the new key with unknown verified / blocked status
|
|
userKeys.crossSigningKeys[publicKey] = oldKey;
|
|
}
|
|
dbActions.add(() => database.storeUserCrossSigningKey(
|
|
userId,
|
|
publicKey,
|
|
json.encode(entry.toJson()),
|
|
entry.directVerified,
|
|
entry.blocked,
|
|
));
|
|
}
|
|
_userDeviceKeys[userId]?.outdated = false;
|
|
dbActions
|
|
.add(() => database.storeUserDeviceKeysInfo(userId, false));
|
|
}
|
|
}
|
|
|
|
// now process all the failures
|
|
if (response.failures != null) {
|
|
for (final failureDomain in response.failures?.keys ?? <String>[]) {
|
|
_keyQueryFailures[failureDomain] = DateTime.now();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dbActions.isNotEmpty) {
|
|
if (!isLogged()) return;
|
|
await database.transaction(() async {
|
|
for (final f in dbActions) {
|
|
await f();
|
|
}
|
|
});
|
|
}
|
|
} catch (e, s) {
|
|
Logs().e('[LibOlm] Unable to update user device keys', e, s);
|
|
}
|
|
}
|
|
|
|
bool _toDeviceQueueNeedsProcessing = true;
|
|
|
|
/// Processes the to_device queue and tries to send every entry.
|
|
/// This function MAY throw an error, which just means the to_device queue wasn't
|
|
/// proccessed all the way.
|
|
Future<void> processToDeviceQueue() async {
|
|
final database = this.database;
|
|
if (database == null || !_toDeviceQueueNeedsProcessing) {
|
|
return;
|
|
}
|
|
final entries = await database.getToDeviceEventQueue();
|
|
if (entries.isEmpty) {
|
|
_toDeviceQueueNeedsProcessing = false;
|
|
return;
|
|
}
|
|
for (final entry in entries) {
|
|
// Convert the Json Map to the correct format regarding
|
|
// https: //matrix.org/docs/spec/client_server/r0.6.1#put-matrix-client-r0-sendtodevice-eventtype-txnid
|
|
final data = entry.content.map((k, v) =>
|
|
MapEntry<String, Map<String, Map<String, dynamic>>>(
|
|
k,
|
|
(v as Map).map((k, v) => MapEntry<String, Map<String, dynamic>>(
|
|
k, Map<String, dynamic>.from(v)))));
|
|
|
|
try {
|
|
await super.sendToDevice(entry.type, entry.txnId, data);
|
|
} on MatrixException catch (e) {
|
|
Logs().w(
|
|
'[To-Device] failed to to_device message from the queue to the server. Ignoring error: $e');
|
|
Logs().w('Payload: $data');
|
|
}
|
|
await database.deleteFromToDeviceQueue(entry.id);
|
|
}
|
|
}
|
|
|
|
/// Sends a raw to_device event with a [eventType], a [txnId] and a content
|
|
/// [messages]. Before sending, it tries to re-send potentially queued
|
|
/// to_device events and adds the current one to the queue, should it fail.
|
|
@override
|
|
Future<void> sendToDevice(
|
|
String eventType,
|
|
String txnId,
|
|
Map<String, Map<String, Map<String, dynamic>>> messages,
|
|
) async {
|
|
try {
|
|
await processToDeviceQueue();
|
|
await super.sendToDevice(eventType, txnId, messages);
|
|
} catch (e, s) {
|
|
Logs().w(
|
|
'[Client] Problem while sending to_device event, retrying later...',
|
|
e,
|
|
s);
|
|
final database = this.database;
|
|
if (database != null) {
|
|
_toDeviceQueueNeedsProcessing = true;
|
|
await database.insertIntoToDeviceQueue(
|
|
eventType, txnId, json.encode(messages));
|
|
}
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
/// Send an (unencrypted) to device [message] of a specific [eventType] to all
|
|
/// devices of a set of [users].
|
|
Future<void> sendToDevicesOfUserIds(
|
|
Set<String> users,
|
|
String eventType,
|
|
Map<String, dynamic> message, {
|
|
String? messageId,
|
|
}) async {
|
|
// Send with send-to-device messaging
|
|
final data = <String, Map<String, Map<String, dynamic>>>{};
|
|
for (final user in users) {
|
|
data[user] = {'*': message};
|
|
}
|
|
await sendToDevice(
|
|
eventType, messageId ?? generateUniqueTransactionId(), data);
|
|
return;
|
|
}
|
|
|
|
final MultiLock<DeviceKeys> _sendToDeviceEncryptedLock = MultiLock();
|
|
|
|
/// Sends an encrypted [message] of this [eventType] to these [deviceKeys].
|
|
Future<void> sendToDeviceEncrypted(
|
|
List<DeviceKeys> deviceKeys,
|
|
String eventType,
|
|
Map<String, dynamic> message, {
|
|
String? messageId,
|
|
bool onlyVerified = false,
|
|
}) async {
|
|
final encryption = this.encryption;
|
|
if (!encryptionEnabled || encryption == null) return;
|
|
// Don't send this message to blocked devices, and if specified onlyVerified
|
|
// then only send it to verified devices
|
|
if (deviceKeys.isNotEmpty) {
|
|
deviceKeys.removeWhere((DeviceKeys deviceKeys) =>
|
|
deviceKeys.blocked ||
|
|
(deviceKeys.userId == userID && deviceKeys.deviceId == deviceID) ||
|
|
(onlyVerified && !deviceKeys.verified));
|
|
if (deviceKeys.isEmpty) return;
|
|
}
|
|
|
|
// So that we can guarantee order of encrypted to_device messages to be preserved we
|
|
// must ensure that we don't attempt to encrypt multiple concurrent to_device messages
|
|
// to the same device at the same time.
|
|
// A failure to do so can result in edge-cases where encryption and sending order of
|
|
// said to_device messages does not match up, resulting in an olm session corruption.
|
|
// As we send to multiple devices at the same time, we may only proceed here if the lock for
|
|
// *all* of them is freed and lock *all* of them while sending.
|
|
|
|
try {
|
|
await _sendToDeviceEncryptedLock.lock(deviceKeys);
|
|
|
|
// Send with send-to-device messaging
|
|
final data = await encryption.encryptToDeviceMessage(
|
|
deviceKeys, eventType, message)
|
|
as Map<String, Map<String, Map<String, dynamic>>>;
|
|
eventType = EventTypes.Encrypted;
|
|
await sendToDevice(
|
|
eventType, messageId ?? generateUniqueTransactionId(), data);
|
|
} finally {
|
|
_sendToDeviceEncryptedLock.unlock(deviceKeys);
|
|
}
|
|
}
|
|
|
|
/// Sends an encrypted [message] of this [eventType] to these [deviceKeys].
|
|
/// This request happens partly in the background and partly in the
|
|
/// foreground. It automatically chunks sending to device keys based on
|
|
/// activity.
|
|
Future<void> sendToDeviceEncryptedChunked(
|
|
List<DeviceKeys> deviceKeys,
|
|
String eventType,
|
|
Map<String, dynamic> message,
|
|
) async {
|
|
if (!encryptionEnabled) return;
|
|
// be sure to copy our device keys list
|
|
deviceKeys = List<DeviceKeys>.from(deviceKeys);
|
|
deviceKeys.removeWhere((DeviceKeys k) =>
|
|
k.blocked || (k.userId == userID && k.deviceId == deviceID));
|
|
if (deviceKeys.isEmpty) return;
|
|
message = message.copy(); // make sure we deep-copy the message
|
|
// make sure all the olm sessions are loaded from database
|
|
Logs().v('Sending to device chunked... (${deviceKeys.length} devices)');
|
|
// sort so that devices we last received messages from get our message first
|
|
deviceKeys.sort((keyA, keyB) => keyB.lastActive.compareTo(keyA.lastActive));
|
|
// and now send out in chunks of 20
|
|
const chunkSize = 20;
|
|
|
|
// first we send out all the chunks that we await
|
|
var i = 0;
|
|
// we leave this in a for-loop for now, so that we can easily adjust the break condition
|
|
// based on other things, if we want to hard-`await` more devices in the future
|
|
for (; i < deviceKeys.length && i <= 0; i += chunkSize) {
|
|
Logs().v('Sending chunk $i...');
|
|
final chunk = deviceKeys.sublist(
|
|
i,
|
|
i + chunkSize > deviceKeys.length
|
|
? deviceKeys.length
|
|
: i + chunkSize);
|
|
// and send
|
|
await sendToDeviceEncrypted(chunk, eventType, message);
|
|
}
|
|
// now send out the background chunks
|
|
if (i < deviceKeys.length) {
|
|
// ignore: unawaited_futures
|
|
() async {
|
|
for (; i < deviceKeys.length; i += chunkSize) {
|
|
// wait 50ms to not freeze the UI
|
|
await Future.delayed(Duration(milliseconds: 50));
|
|
Logs().v('Sending chunk $i...');
|
|
final chunk = deviceKeys.sublist(
|
|
i,
|
|
i + chunkSize > deviceKeys.length
|
|
? deviceKeys.length
|
|
: i + chunkSize);
|
|
// and send
|
|
// ignore: unawaited_futures
|
|
sendToDeviceEncrypted(chunk, eventType, message);
|
|
}
|
|
}();
|
|
}
|
|
}
|
|
|
|
/// Whether all push notifications are muted using the [.m.rule.master]
|
|
/// rule of the push rules: https://matrix.org/docs/spec/client_server/r0.6.0#m-rule-master
|
|
bool get allPushNotificationsMuted {
|
|
final Map<String, dynamic>? globalPushRules =
|
|
accountData['m.push_rules']?.content['global'];
|
|
if (globalPushRules == null) return false;
|
|
|
|
if (globalPushRules['override'] is List) {
|
|
for (final pushRule in globalPushRules['override']) {
|
|
if (pushRule['rule_id'] == '.m.rule.master') {
|
|
return pushRule['enabled'];
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Future<void> setMuteAllPushNotifications(bool muted) async {
|
|
await setPushRuleEnabled(
|
|
'global',
|
|
PushRuleKind.override,
|
|
'.m.rule.master',
|
|
muted,
|
|
);
|
|
return;
|
|
}
|
|
|
|
/// Changes the password. You should either set oldPasswort or another authentication flow.
|
|
@override
|
|
Future<void> changePassword(String newPassword,
|
|
{String? oldPassword,
|
|
AuthenticationData? auth,
|
|
bool? logoutDevices}) async {
|
|
final userID = this.userID;
|
|
try {
|
|
if (oldPassword != null && userID != null) {
|
|
auth = AuthenticationPassword(
|
|
identifier: AuthenticationUserIdentifier(user: userID),
|
|
password: oldPassword,
|
|
);
|
|
}
|
|
await super.changePassword(newPassword,
|
|
auth: auth, logoutDevices: logoutDevices);
|
|
} on MatrixException catch (matrixException) {
|
|
if (!matrixException.requireAdditionalAuthentication) {
|
|
rethrow;
|
|
}
|
|
if (matrixException.authenticationFlows?.length != 1 ||
|
|
!(matrixException.authenticationFlows?.first.stages
|
|
.contains(AuthenticationTypes.password) ??
|
|
false)) {
|
|
rethrow;
|
|
}
|
|
if (oldPassword == null || userID == null) {
|
|
rethrow;
|
|
}
|
|
return changePassword(
|
|
newPassword,
|
|
auth: AuthenticationPassword(
|
|
identifier: AuthenticationUserIdentifier(user: userID),
|
|
password: oldPassword,
|
|
session: matrixException.session,
|
|
),
|
|
logoutDevices: logoutDevices,
|
|
);
|
|
} catch (_) {
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@Deprecated('Use clearCache()')
|
|
Future<void> clearLocalCachedMessages() async {
|
|
await clearCache();
|
|
}
|
|
|
|
/// Clear all local cached messages, room information and outbound group
|
|
/// sessions and perform a new clean sync.
|
|
Future<void> clearCache() async {
|
|
await abortSync();
|
|
prevBatch = null;
|
|
rooms.clear();
|
|
await database?.clearCache();
|
|
encryption?.keyManager.clearOutboundGroupSessions();
|
|
onCacheCleared.add(true);
|
|
// Restart the syncloop
|
|
backgroundSync = true;
|
|
}
|
|
|
|
/// A list of mxids of users who are ignored.
|
|
List<String> get ignoredUsers => (accountData
|
|
.containsKey('m.ignored_user_list') &&
|
|
accountData['m.ignored_user_list']?.content['ignored_users'] is Map)
|
|
? List<String>.from(
|
|
accountData['m.ignored_user_list']?.content['ignored_users'].keys)
|
|
: [];
|
|
|
|
/// Ignore another user. This will clear the local cached messages to
|
|
/// hide all previous messages from this user.
|
|
Future<void> ignoreUser(String userId) async {
|
|
if (!userId.isValidMatrixId) {
|
|
throw Exception('$userId is not a valid mxid!');
|
|
}
|
|
await setAccountData(userID!, 'm.ignored_user_list', {
|
|
'ignored_users': Map.fromEntries(
|
|
(ignoredUsers..add(userId)).map((key) => MapEntry(key, {}))),
|
|
});
|
|
await clearCache();
|
|
return;
|
|
}
|
|
|
|
/// Unignore a user. This will clear the local cached messages and request
|
|
/// them again from the server to avoid gaps in the timeline.
|
|
Future<void> unignoreUser(String userId) async {
|
|
if (!userId.isValidMatrixId) {
|
|
throw Exception('$userId is not a valid mxid!');
|
|
}
|
|
if (!ignoredUsers.contains(userId)) {
|
|
throw Exception('$userId is not in the ignore list!');
|
|
}
|
|
await setAccountData(userID!, 'm.ignored_user_list', {
|
|
'ignored_users': Map.fromEntries(
|
|
(ignoredUsers..remove(userId)).map((key) => MapEntry(key, {}))),
|
|
});
|
|
await clearCache();
|
|
return;
|
|
}
|
|
|
|
bool _disposed = false;
|
|
bool _aborted = false;
|
|
Future _currentTransaction = Future.sync(() => {});
|
|
|
|
/// Blackholes any ongoing sync call. Currently ongoing sync *processing* is
|
|
/// still going to be finished, new data is ignored.
|
|
Future<void> abortSync() async {
|
|
_aborted = true;
|
|
backgroundSync = false;
|
|
_currentSyncId = -1;
|
|
try {
|
|
await _currentTransaction;
|
|
} catch (_) {
|
|
// No-OP
|
|
}
|
|
_currentSync = null;
|
|
// reset _aborted for being able to restart the sync.
|
|
_aborted = false;
|
|
}
|
|
|
|
/// Stops the synchronization and closes the database. After this
|
|
/// you can safely make this Client instance null.
|
|
Future<void> dispose({bool closeDatabase = true}) async {
|
|
_disposed = true;
|
|
await abortSync();
|
|
encryption?.dispose();
|
|
encryption = null;
|
|
try {
|
|
if (closeDatabase) {
|
|
await database
|
|
?.close()
|
|
.catchError((e, s) => Logs().w('Failed to close database: ', e, s));
|
|
_database = null;
|
|
}
|
|
} catch (error, stacktrace) {
|
|
Logs().w('Failed to close database: ', error, stacktrace);
|
|
}
|
|
return;
|
|
}
|
|
|
|
Future<void> _migrateFromLegacyDatabase() async {
|
|
Logs().i('Check legacy database for migration data...');
|
|
final legacyDatabase = await legacyDatabaseBuilder?.call(this);
|
|
final migrateClient = await legacyDatabase?.getClient(clientName);
|
|
final database = this.database;
|
|
|
|
if (migrateClient != null && legacyDatabase != null && database != null) {
|
|
Logs().i('Found data in the legacy database!');
|
|
_id = migrateClient['client_id'];
|
|
await database.insertClient(
|
|
clientName,
|
|
migrateClient['homeserver_url'],
|
|
migrateClient['token'],
|
|
migrateClient['user_id'],
|
|
migrateClient['device_id'],
|
|
migrateClient['device_name'],
|
|
null,
|
|
migrateClient['olm_account'],
|
|
);
|
|
Logs().d('Migrate SSSSCache...');
|
|
for (final type in cacheTypes) {
|
|
final ssssCache = await legacyDatabase.getSSSSCache(type);
|
|
if (ssssCache != null) {
|
|
Logs().d('Migrate $type...');
|
|
await database.storeSSSSCache(
|
|
type,
|
|
ssssCache.keyId ?? '',
|
|
ssssCache.ciphertext ?? '',
|
|
ssssCache.content ?? '',
|
|
);
|
|
}
|
|
}
|
|
Logs().d('Migrate OLM sessions...');
|
|
try {
|
|
final olmSessions = await legacyDatabase.getAllOlmSessions();
|
|
for (final identityKey in olmSessions.keys) {
|
|
final sessions = olmSessions[identityKey]!;
|
|
for (final sessionId in sessions.keys) {
|
|
final session = sessions[sessionId]!;
|
|
await database.storeOlmSession(
|
|
identityKey,
|
|
session['session_id'] as String,
|
|
session['pickle'] as String,
|
|
session['last_received'] as int,
|
|
);
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logs().e('Unable to migrate OLM sessions!', e, s);
|
|
}
|
|
Logs().d('Migrate Device Keys...');
|
|
final userDeviceKeys = await legacyDatabase.getUserDeviceKeys(this);
|
|
for (final userId in userDeviceKeys.keys) {
|
|
Logs().d('Migrate Device Keys of user $userId...');
|
|
final deviceKeysList = userDeviceKeys[userId];
|
|
for (final crossSigningKey
|
|
in deviceKeysList?.crossSigningKeys.values ?? <CrossSigningKey>[]) {
|
|
final pubKey = crossSigningKey.publicKey;
|
|
if (pubKey != null) {
|
|
Logs().d(
|
|
'Migrate cross signing key with usage ${crossSigningKey.usage} and verified ${crossSigningKey.directVerified}...');
|
|
await database.storeUserCrossSigningKey(
|
|
userId,
|
|
pubKey,
|
|
jsonEncode(crossSigningKey.toJson()),
|
|
crossSigningKey.directVerified,
|
|
crossSigningKey.blocked,
|
|
);
|
|
}
|
|
}
|
|
|
|
if (deviceKeysList != null) {
|
|
for (final deviceKeys in deviceKeysList.deviceKeys.values) {
|
|
final deviceId = deviceKeys.deviceId;
|
|
if (deviceId != null) {
|
|
Logs().d('Migrate device keys for ${deviceKeys.deviceId}...');
|
|
await database.storeUserDeviceKey(
|
|
userId,
|
|
deviceId,
|
|
jsonEncode(deviceKeys.toJson()),
|
|
deviceKeys.directVerified,
|
|
deviceKeys.blocked,
|
|
deviceKeys.lastActive.millisecondsSinceEpoch,
|
|
);
|
|
}
|
|
}
|
|
Logs().d('Migrate user device keys info...');
|
|
await database.storeUserDeviceKeysInfo(
|
|
userId, deviceKeysList.outdated);
|
|
}
|
|
}
|
|
Logs().d('Migrate inbound group sessions...');
|
|
try {
|
|
final sessions = await legacyDatabase.getAllInboundGroupSessions();
|
|
for (var i = 0; i < sessions.length; i++) {
|
|
Logs().d('$i / ${sessions.length}');
|
|
final session = sessions[i];
|
|
await database.storeInboundGroupSession(
|
|
session.roomId,
|
|
session.sessionId,
|
|
session.pickle,
|
|
session.content,
|
|
session.indexes,
|
|
session.allowedAtIndex,
|
|
session.senderKey,
|
|
session.senderClaimedKeys,
|
|
);
|
|
}
|
|
} catch (e, s) {
|
|
Logs().e('Unable to migrate inbound group sessions!', e, s);
|
|
}
|
|
|
|
await legacyDatabase.clear();
|
|
await legacyDatabaseDestroyer?.call(this);
|
|
}
|
|
await legacyDatabase?.close();
|
|
_initLock = false;
|
|
if (migrateClient != null) {
|
|
return init();
|
|
}
|
|
}
|
|
}
|
|
|
|
class SdkError {
|
|
dynamic exception;
|
|
StackTrace? stackTrace;
|
|
|
|
SdkError({this.exception, this.stackTrace});
|
|
}
|
|
|
|
class SyncStatusUpdate {
|
|
final SyncStatus status;
|
|
final SdkError? error;
|
|
final double? progress;
|
|
const SyncStatusUpdate(this.status, {this.error, this.progress});
|
|
}
|
|
|
|
enum SyncStatus {
|
|
waitingForResponse,
|
|
processing,
|
|
cleaningUp,
|
|
finished,
|
|
error,
|
|
}
|
|
|
|
class BadServerVersionsException implements Exception {
|
|
final Set<String> serverVersions, supportedVersions;
|
|
BadServerVersionsException(this.serverVersions, this.supportedVersions);
|
|
|
|
@override
|
|
String toString() =>
|
|
'Server supports the versions: ${serverVersions.toString()} but this application is only compatible with ${supportedVersions.toString()}.';
|
|
}
|
|
|
|
class BadServerLoginTypesException implements Exception {
|
|
final Set<String> serverLoginTypes, supportedLoginTypes;
|
|
BadServerLoginTypesException(this.serverLoginTypes, this.supportedLoginTypes);
|
|
|
|
@override
|
|
String toString() =>
|
|
'Server supports the Login Types: ${serverLoginTypes.toString()} but this application is only compatible with ${supportedLoginTypes.toString()}.';
|
|
}
|
|
|
|
class HomeserverSummary {
|
|
final DiscoveryInformation? discoveryInformation;
|
|
final GetVersionsResponse versions;
|
|
final List<LoginFlow> loginFlows;
|
|
|
|
HomeserverSummary({
|
|
required this.discoveryInformation,
|
|
required this.versions,
|
|
required this.loginFlows,
|
|
});
|
|
}
|