78 lines
2.4 KiB
Dart
78 lines
2.4 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 'package:matrix/matrix.dart';
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enum EventUpdateType {
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/// Newly received events from /sync
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timeline,
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/// A state update not visible in the timeline currently
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state,
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/// Messages that have been fetched when requesting past history
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history,
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/// Updates to account data
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accountData,
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/// Ephemeral events like receipts
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ephemeral,
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/// The state of an invite
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inviteState,
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/// Events that came down timeline, but we only received the keys for it later so we send a second update for them in the decrypted state
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decryptedTimelineQueue,
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}
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/// Represents a new event (e.g. a message in a room) or an update for an
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/// already known event.
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class EventUpdate {
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/// Usually 'timeline', 'state' or whatever.
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final EventUpdateType type;
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/// Most events belong to a room. If not, this equals to eventType.
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final String roomID;
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// The json payload of the content of this event.
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final Map<String, dynamic> content;
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EventUpdate(
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{required this.roomID, required this.type, required this.content});
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Future<EventUpdate> decrypt(Room room, {bool store = false}) async {
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final encryption = room.client.encryption;
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if (content['type'] != EventTypes.Encrypted ||
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!room.client.encryptionEnabled ||
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encryption == null) {
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return this;
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}
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try {
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final decrpytedEvent = await encryption.decryptRoomEvent(
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room.id, Event.fromJson(content, room),
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store: store, updateType: type);
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return EventUpdate(
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roomID: roomID, type: type, content: decrpytedEvent.toJson());
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} catch (e, s) {
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Logs().e('[LibOlm] Could not decrypt megolm event', e, s);
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return this;
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}
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}
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}
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