feat: Try out FluffyBox 2 database
Krille
1 year ago
parent
07c9b832cb
commit
129c1ab697
@ -0,0 +1 @@
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-keep class net.sqlcipher.** { *; }
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@ -0,0 +1,86 @@
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import 'dart:convert';
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import 'dart:math';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:matrix/matrix.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:sqflite_common_ffi/sqflite_ffi.dart' as ffi;
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import 'package:sqflite_sqlcipher/sqflite.dart';
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import 'package:universal_html/html.dart' as html;
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import 'package:fluffychat/utils/platform_infos.dart';
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Future<MatrixSdkDatabase> flutterMatrixSdkDatabaseBuilder(Client client) async {
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final database = await _constructDatabase(client);
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await database.open();
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return database;
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}
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Future<MatrixSdkDatabase> _constructDatabase(Client client) async {
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if (kIsWeb) {
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html.window.navigator.storage?.persist();
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return MatrixSdkDatabase(client.clientName);
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}
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if (PlatformInfos.isDesktop) {
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final path = await getApplicationSupportDirectory();
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return MatrixSdkDatabase(
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client.clientName,
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database: await ffi.databaseFactoryFfi.openDatabase(
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'$path/${client.clientName}',
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),
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maxFileSize: 1024 * 1024 * 10,
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fileStoragePath: path,
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deleteFilesAfterDuration: const Duration(days: 30),
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);
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}
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final path = await getDatabasesPath();
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const passwordStorageKey = 'database_password';
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String? password;
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try {
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// Workaround for secure storage is calling Platform.operatingSystem on web
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if (kIsWeb) throw MissingPluginException();
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const secureStorage = FlutterSecureStorage();
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final containsEncryptionKey =
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await secureStorage.read(key: passwordStorageKey) != null;
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if (!containsEncryptionKey) {
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final rng = Random.secure();
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final list = Uint8List(32);
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list.setAll(0, Iterable.generate(list.length, (i) => rng.nextInt(256)));
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final newPassword = base64UrlEncode(list);
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await secureStorage.write(
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key: passwordStorageKey,
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value: newPassword,
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);
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}
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// workaround for if we just wrote to the key and it still doesn't exist
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password = await secureStorage.read(key: passwordStorageKey);
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if (password == null) throw MissingPluginException();
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} on MissingPluginException catch (_) {
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const FlutterSecureStorage()
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.delete(key: passwordStorageKey)
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.catchError((_) {});
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Logs().i('Database encryption is not supported on this platform');
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} catch (e, s) {
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const FlutterSecureStorage()
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.delete(key: passwordStorageKey)
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.catchError((_) {});
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Logs().w('Unable to init database encryption', e, s);
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}
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return MatrixSdkDatabase(
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client.clientName,
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database: await openDatabase(
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'$path/${client.clientName}',
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password: password,
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),
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maxFileSize: 1024 * 1024 * 10,
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fileStoragePath: await getTemporaryDirectory(),
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deleteFilesAfterDuration: const Duration(days: 30),
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);
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}
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