matrix-dart-sdk/lib/src/model/matrix_keys.dart

122 lines
3.8 KiB
Dart

/* MIT License
*
* Copyright (C) 2019, 2020, 2021 Famedly GmbH
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import '../utils/map_copy_extension.dart';
class MatrixSignableKey {
String userId;
String identifier;
Map<String, String> keys;
Map<String, Map<String, String>> signatures;
Map<String, dynamic> unsigned;
MatrixSignableKey(this.userId, this.identifier, this.keys, this.signatures,
{this.unsigned});
// This object is used for signing so we need the raw json too
Map<String, dynamic> _json;
MatrixSignableKey.fromJson(Map<String, dynamic> json) {
_json = json;
userId = json['user_id'];
keys = Map<String, String>.from(json['keys']);
// we need to manually copy to ensure that our map is Map<String, Map<String, String>>
signatures = json['signatures'] is Map
? Map<String, Map<String, String>>.from((json['signatures'] as Map)
.map((k, v) => MapEntry(k, Map<String, String>.from(v))))
: null;
unsigned = (json['unsigned'] as Map<String, dynamic>)?.copy();
}
Map<String, dynamic> toJson() {
final data = _json ?? <String, dynamic>{};
data['user_id'] = userId;
data['keys'] = keys;
if (signatures != null) {
data['signatures'] = signatures;
}
if (unsigned != null) {
data['unsigned'] = unsigned;
}
return data;
}
}
class MatrixCrossSigningKey extends MatrixSignableKey {
List<String> usage;
String get publicKey => identifier;
MatrixCrossSigningKey(
String userId,
this.usage,
Map<String, String> keys,
Map<String, Map<String, String>> signatures, {
Map<String, dynamic> unsigned,
}) : super(userId, keys?.values?.first, keys, signatures, unsigned: unsigned);
@override
MatrixCrossSigningKey.fromJson(Map<String, dynamic> json)
: super.fromJson(json) {
usage = List<String>.from(json['usage']);
identifier = keys?.values?.first;
}
@override
Map<String, dynamic> toJson() {
final data = super.toJson();
data['usage'] = usage;
return data;
}
}
class MatrixDeviceKeys extends MatrixSignableKey {
String get deviceId => identifier;
List<String> algorithms;
String get deviceDisplayName =>
unsigned != null ? unsigned['device_display_name'] : null;
MatrixDeviceKeys(
String userId,
String deviceId,
this.algorithms,
Map<String, String> keys,
Map<String, Map<String, String>> signatures, {
Map<String, dynamic> unsigned,
}) : super(userId, deviceId, keys, signatures, unsigned: unsigned);
@override
MatrixDeviceKeys.fromJson(Map<String, dynamic> json) : super.fromJson(json) {
identifier = json['device_id'];
algorithms = json['algorithms'].cast<String>();
}
@override
Map<String, dynamic> toJson() {
final data = super.toJson();
data['device_id'] = deviceId;
data['algorithms'] = algorithms;
return data;
}
}