Files
MrbWebLibre/app/lib/features/user/domain/services/local_authentication.dart
T
2025-02-03 15:09:04 +01:00

62 lines
1.6 KiB
Dart

import 'dart:async';
import 'package:flutter/services.dart';
import 'package:lensai/core/logger.dart';
import 'package:lensai/features/geckoview/features/tabs/data/models/container_data.dart';
import 'package:local_auth/local_auth.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'local_authentication.g.dart';
@Riverpod(keepAlive: true)
class LocalAuthenticationService extends _$LocalAuthenticationService {
final _auth = LocalAuthentication();
final _cache = <String, (DateTime, ContainerAuthSettings)>{};
bool _cacheAuth(String authKey) {
final auth = _cache[authKey];
if (auth != null && auth.$2.lockTimeout != null) {
return DateTime.now().difference(auth.$1) < auth.$2.lockTimeout!;
}
return false;
}
void evictCacheOnBackground() {
_cache.removeWhere(
(key, value) => value.$2.lockOnAppBackground,
);
}
Future<bool> authenticate({
required String authKey,
required String localizedReason,
ContainerAuthSettings? settings,
bool useAuthCache = false,
}) async {
try {
var result = useAuthCache && _cacheAuth(authKey);
if (!result) {
result = await _auth.authenticate(
localizedReason: localizedReason,
);
}
if (result && settings != null) {
_cache[authKey] = (DateTime.now(), settings);
}
return result;
} on PlatformException catch (e, s) {
logger.e('Could not authenticate', error: e, stackTrace: s);
return false;
}
}
@override
Future<bool> build() {
return _auth.canCheckBiometrics;
}
}