mirror of
https://github.com/krille-chan/fluffychat
synced 2024-09-10 11:45:10 +00:00
139 lines
4.3 KiB
Dart
139 lines
4.3 KiB
Dart
import 'dart:convert';
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import 'dart:ui';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:matrix/matrix.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/utils/client_manager.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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class SessionBackup {
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final String? olmAccount;
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final String accessToken;
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final String userId;
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final String homeserver;
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final String? deviceId;
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final String? deviceName;
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const SessionBackup({
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required this.olmAccount,
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required this.accessToken,
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required this.userId,
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required this.homeserver,
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required this.deviceId,
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this.deviceName,
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});
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factory SessionBackup.fromJsonString(String json) =>
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SessionBackup.fromJson(jsonDecode(json));
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factory SessionBackup.fromJson(Map<String, dynamic> json) => SessionBackup(
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olmAccount: json['olm_account'],
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accessToken: json['access_token'],
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userId: json['user_id'],
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homeserver: json['homeserver'],
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deviceId: json['device_id'],
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deviceName: json['device_name'],
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);
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Map<String, dynamic> toJson() => {
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'olm_account': olmAccount,
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'access_token': accessToken,
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'user_id': userId,
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'homeserver': homeserver,
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'device_id': deviceId,
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if (deviceName != null) 'device_name': deviceName,
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};
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@override
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String toString() => jsonEncode(toJson());
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}
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extension InitWithRestoreExtension on Client {
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static Future<void> deleteSessionBackup(String clientName) async {
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final storage = PlatformInfos.isMobile || PlatformInfos.isLinux
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? const FlutterSecureStorage()
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: null;
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await storage?.delete(
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key: '${AppConfig.applicationName}_session_backup_$clientName',
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);
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}
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Future<void> initWithRestore({void Function()? onMigration}) async {
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final storageKey =
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'${AppConfig.applicationName}_session_backup_$clientName';
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final storage = PlatformInfos.isMobile || PlatformInfos.isLinux
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? const FlutterSecureStorage()
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: null;
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try {
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await init(
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onMigration: onMigration,
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waitForFirstSync: false,
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waitUntilLoadCompletedLoaded: false,
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);
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if (isLogged()) {
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final accessToken = this.accessToken;
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final homeserver = this.homeserver?.toString();
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final deviceId = deviceID;
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final userId = userID;
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final hasBackup = accessToken != null &&
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homeserver != null &&
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deviceId != null &&
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userId != null;
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assert(hasBackup);
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if (hasBackup) {
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Logs().v('Store session in backup');
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storage?.write(
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key: storageKey,
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value: SessionBackup(
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olmAccount: encryption?.pickledOlmAccount,
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accessToken: accessToken,
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deviceId: deviceId,
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homeserver: homeserver,
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deviceName: deviceName,
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userId: userId,
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).toString(),
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);
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}
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}
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} catch (e) {
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final l10n = lookupL10n(PlatformDispatcher.instance.locale);
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final sessionBackupString = await storage?.read(key: storageKey);
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if (sessionBackupString == null) {
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ClientManager.sendInitNotification(
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l10n.initAppError,
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l10n.sessionLostBody(AppConfig.newIssueUrl.toString(), e.toString()),
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);
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rethrow;
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}
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ClientManager.sendInitNotification(
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l10n.initAppError,
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l10n.restoreSessionBody(AppConfig.newIssueUrl.toString(), e.toString()),
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);
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try {
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final sessionBackup = SessionBackup.fromJsonString(sessionBackupString);
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await init(
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newToken: sessionBackup.accessToken,
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newOlmAccount: sessionBackup.olmAccount,
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newDeviceID: sessionBackup.deviceId,
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newDeviceName: sessionBackup.deviceName,
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newHomeserver: Uri.tryParse(sessionBackup.homeserver),
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newUserID: sessionBackup.userId,
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waitForFirstSync: false,
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waitUntilLoadCompletedLoaded: false,
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onMigration: onMigration,
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);
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} catch (e) {
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ClientManager.sendInitNotification(
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l10n.initAppError,
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l10n.sessionLostBody(AppConfig.newIssueUrl.toString(), e.toString()),
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);
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rethrow;
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}
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}
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}
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}
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