fluffychat/lib/utils/famedlysdk_store.dart

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import 'package:famedlysdk/famedlysdk.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:localstorage/localstorage.dart';
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import 'package:path_provider/path_provider.dart';
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import 'dart:async';
import 'dart:core';
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import './database/shared.dart';
import 'package:random_string/random_string.dart';
Future<Database> getDatabase(Client client) async {
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while (_generateDatabaseLock) {
await Future.delayed(Duration(milliseconds: 50));
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}
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_generateDatabaseLock = true;
try {
if (_db != null) return _db;
final store = Store();
var password = await store.getItem('database-password');
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var newPassword = false;
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if (password == null || password.isEmpty) {
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newPassword = true;
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password = randomString(255);
}
_db = await constructDb(
logStatements: false,
filename: 'moor.sqlite',
password: password,
);
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if (newPassword) {
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await store.setItem('database-password', password);
}
return _db;
} finally {
_generateDatabaseLock = false;
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}
}
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Database _db;
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bool _generateDatabaseLock = false;
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class Store {
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LocalStorage storage;
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final FlutterSecureStorage secureStorage;
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Store()
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: secureStorage = PlatformInfos.isMobile ? FlutterSecureStorage() : null;
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Future<void> _setupLocalStorage() async {
if (storage == null) {
final directory = PlatformInfos.isBetaDesktop
? await getApplicationSupportDirectory()
: (PlatformInfos.isWeb
? null
: await getApplicationDocumentsDirectory());
storage = LocalStorage('LocalStorage', directory?.path);
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await storage.ready;
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}
}
Future<String> getItem(String key) async {
if (!PlatformInfos.isMobile) {
await _setupLocalStorage();
try {
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return await storage.getItem(key)?.toString();
} catch (_) {
return null;
}
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}
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try {
return await secureStorage.read(key: key);
} catch (_) {
return null;
}
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}
Future<void> setItem(String key, String value) async {
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if (!PlatformInfos.isMobile) {
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await _setupLocalStorage();
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return await storage.setItem(key, value);
}
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return await secureStorage.write(key: key, value: value);
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}
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Future<void> deleteItem(String key) async {
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if (!PlatformInfos.isMobile) {
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await _setupLocalStorage();
return await storage.deleteItem(key);
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}
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return await secureStorage.delete(key: key);
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}
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}