Files
companion/lib/data/sources/local/credential_store.dart

110 lines
3.6 KiB
Dart

import 'dart:convert';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import '../../../domain/models/server_config.dart';
typedef Credentials = ({String username, String password});
typedef WifiCredential = ({String ssid, String password});
class CredentialStore {
static const _usernameKey = 'localiserd_username';
static const _passwordKey = 'localiserd_password';
static const _hostKey = 'localiserd_host';
static const _portKey = 'localiserd_port';
static const _mqttHostKey = 'mqtt_host';
static const _mqttPortKey = 'mqtt_port';
static const _wifiCredentialsKey = 'wifi_credentials';
final _storage = const FlutterSecureStorage();
Future<void> save(Credentials credentials) => Future.wait([
_storage.write(key: _usernameKey, value: credentials.username),
_storage.write(key: _passwordKey, value: credentials.password),
]).then((_) {});
Future<Credentials?> load() async {
final results = await Future.wait([
_storage.read(key: _usernameKey),
_storage.read(key: _passwordKey),
]);
final username = results[0];
final password = results[1];
if (username == null || password == null) return null;
return (username: username, password: password);
}
Future<void> saveServer(ServerConfig config) => Future.wait([
_storage.write(key: _hostKey, value: config.host),
_storage.write(key: _portKey, value: config.port.toString()),
]).then((_) {});
Future<ServerConfig?> loadServer() async {
final results = await Future.wait([
_storage.read(key: _hostKey),
_storage.read(key: _portKey),
]);
final host = results[0];
final portStr = results[1];
if (host == null || portStr == null) return null;
final port = int.tryParse(portStr);
if (port == null) return null;
return ServerConfig(host: host, port: port);
}
Future<void> saveMqttBroker(String host, int port) => Future.wait([
_storage.write(key: _mqttHostKey, value: host),
_storage.write(key: _mqttPortKey, value: port.toString()),
]).then((_) {});
Future<({String host, int port})?> loadMqttBroker() async {
final results = await Future.wait([
_storage.read(key: _mqttHostKey),
_storage.read(key: _mqttPortKey),
]);
final host = results[0];
final portStr = results[1];
if (host == null || portStr == null) return null;
final port = int.tryParse(portStr);
if (port == null) return null;
return (host: host, port: port);
}
Future<List<WifiCredential>> loadWifiCredentials() async {
final raw = await _storage.read(key: _wifiCredentialsKey);
if (raw == null) return [];
try {
final list = jsonDecode(raw) as List<dynamic>;
return list
.whereType<Map<String, dynamic>>()
.map((m) => (
ssid: m['ssid'] as String? ?? '',
password: m['password'] as String? ?? '',
))
.where((c) => c.ssid.isNotEmpty)
.toList();
} catch (_) {
return [];
}
}
Future<void> saveWifiCredential(WifiCredential credential) async {
final existing = await loadWifiCredentials();
final updated = [
credential,
...existing.where((c) => c.ssid != credential.ssid),
];
final json = jsonEncode(
updated.map((c) => {'ssid': c.ssid, 'password': c.password}).toList(),
);
await _storage.write(key: _wifiCredentialsKey, value: json);
}
Future<void> clear() => Future.wait([
_storage.delete(key: _usernameKey),
_storage.delete(key: _passwordKey),
_storage.delete(key: _hostKey),
_storage.delete(key: _portKey),
]).then((_) {});
}