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104 lines
2.6 KiB
104 lines
2.6 KiB
// SPDX-FileCopyrightText: Copyright 2023 Open Mobile Platform LLC <community@omp.ru> |
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// SPDX-License-Identifier: BSD-3-Clause |
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import 'dart:convert'; |
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import 'package:crypto/crypto.dart'; |
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import 'package:flutter/widgets.dart'; |
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import 'package:flutter_secure_storage/flutter_secure_storage.dart'; |
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import 'package:flutter_secure_storage_aurora/flutter_secure_storage_aurora.dart'; |
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import 'package:scoped_model/scoped_model.dart'; |
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/// Model for [FlutterSecureStoragePage] |
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class FlutterSecureStorageModel extends Model { |
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/// Get [ScopedModel] |
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static FlutterSecureStorageModel of(BuildContext context) => |
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ScopedModel.of<FlutterSecureStorageModel>(context); |
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final _secureStorage = const FlutterSecureStorage(); |
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/// Error |
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String? _error; |
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/// Public error |
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String? get error => _error; |
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/// Public is error |
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bool get isError => _error != null; |
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/// Save success |
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bool _isSuccess = false; |
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/// Public success |
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bool get isSuccess => _isSuccess; |
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/// Value for read form secure storage |
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String _readValue = ""; |
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/// Public read value |
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String get readValue => _readValue; |
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// Get data from secure storage |
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Future<void> read({ |
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required String key, |
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required String password, |
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}) async { |
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try { |
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// Update secret key |
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_updateByPassword(password); |
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// Read data |
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_readValue = await _secureStorage.read(key: key) ?? "Not found"; |
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} catch (e) { |
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debugPrint(e.toString()); |
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_readValue = "Error password"; |
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} |
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notifyListeners(); |
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} |
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// Write new data in secure storage |
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Future<void> write({ |
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required String key, |
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required String value, |
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required String password, |
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}) async { |
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try { |
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// Update secret key |
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_updateByPassword(password); |
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// Clear old data |
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await _secureStorage.deleteAll(); |
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// Save new data |
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await _secureStorage.write(key: key, value: value); |
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// Show success |
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_isSuccess = true; |
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// Close success |
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Future.delayed(const Duration(milliseconds: 1500), () { |
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_isSuccess = false; |
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notifyListeners(); |
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}); |
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} catch (e) { |
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_error = e.toString(); |
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} |
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notifyListeners(); |
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} |
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/// Update password |
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void _updateByPassword( |
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String password, |
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) { |
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FlutterSecureStorageAurora.setSecret( |
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_getPasswordFromString(password), |
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); |
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} |
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/// Generate secure key 32 length from string password |
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String _getPasswordFromString( |
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String password, |
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) { |
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return md5.convert(utf8.encode(password)).toString(); |
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} |
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/// Clear value if change values |
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void clearReadValue() { |
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_readValue = ""; |
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notifyListeners(); |
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} |
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}
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