142 lines
4.4 KiB
Dart
142 lines
4.4 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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abstract class MatrixSignableKey {
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String userId;
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String? get identifier;
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Map<String, String> keys;
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Map<String, Map<String, String>>? signatures;
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Map<String, Object?>? unsigned;
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MatrixSignableKey(this.userId, this.keys, this.signatures, {this.unsigned});
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// This object is used for signing so we need the raw json too
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Map<String, Object?>? _json;
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MatrixSignableKey.fromJson(Map<String, Object?> json)
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: _json = json,
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userId = json['user_id'] as String,
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keys = Map<String, String>.from(json['keys'] as Map<String, Object?>),
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// we need to manually copy to ensure that our map is Map<String, Map<String, String>>
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signatures = (() {
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final orig = json.tryGetMap<String, Object?>('signatures');
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final res = <String, Map<String, String>>{};
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for (final entry
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in (orig?.entries ?? <MapEntry<String, Object?>>[])) {
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final deviceSigs = entry.value;
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if (deviceSigs is Map<String, Object?>) {
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for (final nestedEntry in deviceSigs.entries) {
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final nestedValue = nestedEntry.value;
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if (nestedValue is String) {
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(res[entry.key] ??= <String, String>{})[nestedEntry.key] =
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nestedValue;
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}
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}
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}
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}
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return res;
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}()),
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unsigned = json.tryGetMap<String, Object?>('unsigned')?.copy();
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Map<String, Object?> toJson() {
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final data = _json ?? <String, Object?>{};
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data['user_id'] = userId;
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data['keys'] = keys;
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if (signatures != null) {
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data['signatures'] = signatures;
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}
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if (unsigned != null) {
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data['unsigned'] = unsigned;
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}
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return data;
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}
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}
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class MatrixCrossSigningKey extends MatrixSignableKey {
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List<String> usage;
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String? get publicKey => identifier;
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MatrixCrossSigningKey(
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String userId,
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this.usage,
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Map<String, String> keys,
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Map<String, Map<String, String>> signatures, {
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Map<String, Object?>? unsigned,
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}) : super(userId, keys, signatures, unsigned: unsigned);
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@override
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String? get identifier => keys.values.first;
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@override
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MatrixCrossSigningKey.fromJson(super.json)
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: usage = json.tryGetList<String>('usage') ?? [],
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super.fromJson();
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@override
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Map<String, Object?> toJson() {
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final data = super.toJson();
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data['usage'] = usage;
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return data;
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}
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}
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class MatrixDeviceKeys extends MatrixSignableKey {
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String deviceId;
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List<String> algorithms;
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String? get deviceDisplayName =>
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unsigned?.tryGet<String>('device_display_name');
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MatrixDeviceKeys(
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String userId,
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this.deviceId,
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this.algorithms,
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Map<String, String> keys,
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Map<String, Map<String, String>> signatures, {
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Map<String, Object?>? unsigned,
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}) : super(userId, keys, signatures, unsigned: unsigned);
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@override
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String? get identifier => deviceId;
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@override
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MatrixDeviceKeys.fromJson(super.json)
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: algorithms = json.tryGetList<String>('algorithms') ?? [],
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deviceId = json['device_id'] as String,
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super.fromJson();
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@override
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Map<String, Object?> toJson() {
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final data = super.toJson();
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data['device_id'] = deviceId;
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data['algorithms'] = algorithms;
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return data;
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}
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}
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