cake_wallet/lib/core/auth_service.dart

70 lines
2.3 KiB
Dart
Raw Normal View History

2020-06-01 18:13:56 +00:00
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/core/secure_storage.dart';
2020-06-20 07:10:00 +00:00
import 'package:shared_preferences/shared_preferences.dart';
2020-09-21 11:50:26 +00:00
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/entities/secret_store_key.dart';
import 'package:cake_wallet/entities/encrypt.dart';
2022-11-22 20:52:28 +00:00
import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/store/settings_store.dart';
2020-06-01 18:13:56 +00:00
2020-06-20 07:10:00 +00:00
class AuthService with Store {
2022-12-13 15:19:31 +00:00
AuthService({
required this.secureStorage,
required this.sharedPreferences,
required this.settingsStore,
});
2020-06-01 18:13:56 +00:00
final SecureStorage secureStorage;
2020-06-20 07:10:00 +00:00
final SharedPreferences sharedPreferences;
2022-12-13 15:19:31 +00:00
final SettingsStore settingsStore;
2020-06-01 18:13:56 +00:00
2022-10-12 17:09:57 +00:00
Future<void> setPassword(String password) async {
2020-06-20 07:10:00 +00:00
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
final encodedPassword = encodedPinCode(pin: password);
await secureStorage.write(key: key, value: encodedPassword);
}
Future<bool> canAuthenticate() async {
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
2022-12-09 19:18:36 +00:00
final walletName = sharedPreferences.getString(PreferencesKey.currentWalletName) ?? '';
2020-06-20 07:10:00 +00:00
var password = '';
2020-06-01 18:13:56 +00:00
2020-06-20 07:10:00 +00:00
try {
2022-10-12 17:09:57 +00:00
password = await secureStorage.read(key: key) ?? '';
2020-06-20 07:10:00 +00:00
} catch (e) {
print(e);
}
2020-06-01 18:13:56 +00:00
2020-06-20 07:10:00 +00:00
return walletName.isNotEmpty && password.isNotEmpty;
2020-06-01 18:13:56 +00:00
}
2020-06-20 07:10:00 +00:00
Future<bool> authenticate(String pin) async {
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
final encodedPin = await secureStorage.read(key: key);
2022-10-12 17:09:57 +00:00
final decodedPin = decodedPinCode(pin: encodedPin!);
2020-06-20 07:10:00 +00:00
return decodedPin == pin;
}
2022-11-22 20:52:28 +00:00
2022-12-09 16:08:52 +00:00
void saveLastAuthTime() {
2022-11-22 20:52:28 +00:00
int timestamp = DateTime.now().millisecondsSinceEpoch;
sharedPreferences.setInt(PreferencesKey.lastAuthTimeMilliseconds, timestamp);
}
2022-12-09 19:18:36 +00:00
bool requireAuth() {
2022-12-09 16:08:52 +00:00
final timestamp = sharedPreferences.getInt(PreferencesKey.lastAuthTimeMilliseconds);
2022-12-09 19:18:36 +00:00
final duration = _durationToRequireAuth(timestamp ?? 0);
2022-12-13 15:19:31 +00:00
final requiredPinInterval = settingsStore.pinTimeOutDuration;
2022-12-09 19:18:36 +00:00
2022-12-09 16:08:52 +00:00
return duration >= requiredPinInterval.value;
}
2022-11-22 20:52:28 +00:00
2022-12-09 16:08:52 +00:00
int _durationToRequireAuth(int timestamp) {
DateTime before = DateTime.fromMillisecondsSinceEpoch(timestamp);
DateTime now = DateTime.now();
Duration timeDifference = now.difference(before);
2022-11-22 20:52:28 +00:00
2022-12-09 19:18:36 +00:00
return timeDifference.inMinutes;
2022-11-22 20:52:28 +00:00
}
2020-06-01 18:13:56 +00:00
}