96 lines
3.2 KiB
Dart
96 lines
3.2 KiB
Dart
/* MIT License
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*
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* Copyright (C) 2019, 2020, 2021 Famedly GmbH
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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import 'package:matrix/matrix_api_lite.dart';
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extension RoomEncryptedContentBasicEventExtension on BasicEvent {
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RoomEncryptedContent get parsedRoomEncryptedContent =>
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RoomEncryptedContent.fromJson(content);
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}
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class RoomEncryptedContent {
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String algorithm;
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String senderKey;
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String? deviceId;
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String? sessionId;
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String? ciphertextMegolm;
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Map<String, CiphertextInfo>? ciphertextOlm;
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RoomEncryptedContent.fromJson(Map<String, Object?> json)
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: algorithm = json.tryGet('algorithm', TryGet.required) ?? '',
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senderKey = json.tryGet('sender_key', TryGet.required) ?? '',
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deviceId = json.tryGet('device_id'),
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sessionId = json.tryGet('session_id'),
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ciphertextMegolm = json.tryGet('ciphertext', TryGet.silent),
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// filter out invalid/incomplete CiphertextInfos
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ciphertextOlm = json
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.tryGet<Map<String, Object?>>('ciphertext', TryGet.silent)
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?.catchMap(
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(k, v) => MapEntry(
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k,
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CiphertextInfo.fromJson(v as Map<String, Object?>),
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),
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);
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Map<String, Object?> toJson() {
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final data = <String, Object?>{};
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data['algorithm'] = algorithm;
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data['sender_key'] = senderKey;
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if (deviceId != null) {
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data['device_id'] = deviceId;
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}
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if (sessionId != null) {
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data['session_id'] = sessionId;
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}
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if (ciphertextMegolm != null) {
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data['ciphertext'] = ciphertextMegolm;
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}
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if (ciphertextOlm != null) {
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data['ciphertext'] =
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ciphertextOlm!.map((k, v) => MapEntry(k, v.toJson()));
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if (ciphertextMegolm != null) {
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Logs().wtf(
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'ciphertextOlm and ciphertextMegolm are both set, which should never happen!',
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);
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}
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}
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return data;
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}
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}
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class CiphertextInfo {
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String body;
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int type;
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CiphertextInfo.fromJson(Map<String, Object?> json)
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: body = json['body'] as String,
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type = json['type'] as int;
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Map<String, Object?> toJson() {
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final data = <String, Object?>{};
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data['body'] = body;
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data['type'] = type;
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return data;
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}
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}
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