mirror of
https://gitlab.com/famedly/fluffychat.git
synced 2025-02-17 14:30:40 +01:00
refactor: Remove sembast
This commit is contained in:
Krille Fear
parent
80115962fb
commit
6c73e460df
@ -11,12 +11,12 @@ import 'package:sembast/sembast.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'famedlysdk_store.dart';
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import 'matrix_sdk_extensions.dart/fluffybox_database.dart';
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import 'matrix_sdk_extensions.dart/flutter_matrix_sembast_database.dart';
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import 'matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
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abstract class ClientManager {
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static const String clientNamespace = 'im.fluffychat.store.clients';
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static Future<List<Client>> getClients() async {
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Logs().level = Level.verbose;
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Logs().level = Level.warning;
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if (PlatformInfos.isLinux) {
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Hive.init((await getApplicationSupportDirectory()).path);
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} else {
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@ -81,7 +81,7 @@ abstract class ClientManager {
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},
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importantStateEvents: <String>{'im.ponies.room_emotes'},
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databaseBuilder: FlutterFluffyBoxDatabase.databaseBuilder,
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legacyDatabaseBuilder: FlutterMatrixSembastDatabase.databaseBuilder,
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legacyDatabaseBuilder: FlutterMatrixHiveStore.hiveDatabaseBuilder,
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supportedLoginTypes: {
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AuthenticationTypes.password,
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if (PlatformInfos.isMobile || PlatformInfos.isWeb)
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@ -1,207 +0,0 @@
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import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:flutter/foundation.dart' hide Key;
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import 'package:flutter/services.dart';
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import 'package:encrypt/encrypt.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:sembast/sembast.dart';
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import 'package:sembast/sembast_io.dart';
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import 'package:sembast_web/sembast_web.dart';
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import '../platform_infos.dart';
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class FlutterMatrixSembastDatabase extends MatrixSembastDatabase {
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FlutterMatrixSembastDatabase(
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String name, {
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SembastCodec codec,
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String path,
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DatabaseFactory dbFactory,
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}) : super(
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name,
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codec: codec,
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path: path,
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dbFactory: dbFactory,
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);
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static const String _cipherStorageKey = 'sembast_encryption_key';
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static const int _cipherStorageKeyLength = 512;
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static Future<FlutterMatrixSembastDatabase> databaseBuilder(
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Client client) async {
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Logs().d('Open Sembast...');
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SembastCodec codec;
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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.containsKey(key: _cipherStorageKey);
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if (!containsEncryptionKey) {
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final key = SecureRandom(_cipherStorageKeyLength).base64;
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await secureStorage.write(
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key: _cipherStorageKey,
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value: key,
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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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final rawEncryptionKey = await secureStorage.read(key: _cipherStorageKey);
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if (rawEncryptionKey == null) throw MissingPluginException();
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codec = getEncryptSembastCodec(password: rawEncryptionKey);
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} on MissingPluginException catch (_) {
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Logs().i('Sembast encryption is not supported on this platform');
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}
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final db = FlutterMatrixSembastDatabase(
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client.clientName,
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codec: codec,
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path: await _findDatabasePath(client),
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dbFactory: kIsWeb ? databaseFactoryWeb : databaseFactoryIo,
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);
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await db.open();
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Logs().d('Sembast is ready');
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return db;
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}
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static Future<String> _findDatabasePath(Client client) async {
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String path = client.clientName;
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if (!kIsWeb) {
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Directory directory;
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try {
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directory = await getApplicationSupportDirectory();
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} catch (_) {
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try {
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directory = await getLibraryDirectory();
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} catch (_) {
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directory = Directory.current;
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}
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}
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path = '${directory.path}${client.clientName}.db';
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}
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return path;
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}
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@override
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int get maxFileSize => supportsFileStoring ? 100 * 1024 * 1024 : 0;
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@override
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bool get supportsFileStoring => (PlatformInfos.isIOS ||
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PlatformInfos.isAndroid ||
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PlatformInfos.isDesktop);
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Future<String> _getFileStoreDirectory() async {
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try {
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try {
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return (await getApplicationSupportDirectory()).path;
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} catch (_) {
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return (await getApplicationDocumentsDirectory()).path;
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}
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} catch (_) {
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return (await getDownloadsDirectory()).path;
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}
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}
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@override
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Future<Uint8List> getFile(Uri mxcUri) async {
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if (!supportsFileStoring) return null;
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final tempDirectory = await _getFileStoreDirectory();
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final file =
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File('$tempDirectory/${Uri.encodeComponent(mxcUri.toString())}');
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if (await file.exists() == false) return null;
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final bytes = await file.readAsBytes();
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return bytes;
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}
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@override
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Future storeFile(Uri mxcUri, Uint8List bytes, int time) async {
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if (!supportsFileStoring) return null;
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final tempDirectory = await _getFileStoreDirectory();
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final file =
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File('$tempDirectory/${Uri.encodeComponent(mxcUri.toString())}');
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if (await file.exists()) return;
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await file.writeAsBytes(bytes);
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return;
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}
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}
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class _EncryptEncoder extends Converter<Map<String, dynamic>, String> {
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final String key;
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final String signature;
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_EncryptEncoder(this.key, this.signature);
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@override
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String convert(Map<String, dynamic> input) {
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String encoded;
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switch (signature) {
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case "Salsa20":
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encoded = Encrypter(Salsa20(Key.fromUtf8(key)))
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.encrypt(json.encode(input), iv: IV.fromLength(8))
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.base64;
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break;
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case "AES":
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encoded = Encrypter(AES(Key.fromUtf8(key)))
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.encrypt(json.encode(input), iv: IV.fromLength(16))
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.base64;
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break;
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default:
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throw FormatException('invalid $signature');
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break;
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}
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return encoded;
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}
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}
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class _EncryptDecoder extends Converter<String, Map<String, dynamic>> {
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final String key;
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final String signature;
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_EncryptDecoder(this.key, this.signature);
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@override
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Map<String, dynamic> convert(String input) {
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dynamic decoded;
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switch (signature) {
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case "Salsa20":
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decoded = json.decode(Encrypter(Salsa20(Key.fromUtf8(key)))
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.decrypt64(input, iv: IV.fromLength(8)));
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break;
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case "AES":
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decoded = json.decode(Encrypter(AES(Key.fromUtf8(key)))
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.decrypt64(input, iv: IV.fromLength(16)));
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break;
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default:
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break;
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}
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if (decoded is Map) {
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return decoded.cast<String, dynamic>();
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}
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throw FormatException('invalid input $input');
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}
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}
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class _EncryptCodec extends Codec<Map<String, dynamic>, String> {
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final String signature;
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_EncryptEncoder _encoder;
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_EncryptDecoder _decoder;
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_EncryptCodec(String password, this.signature) {
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_encoder = _EncryptEncoder(password, signature);
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_decoder = _EncryptDecoder(password, signature);
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}
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@override
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Converter<String, Map<String, dynamic>> get decoder => _decoder;
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@override
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Converter<Map<String, dynamic>, String> get encoder => _encoder;
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}
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// Salsa20 (16 length key required) or AES (32 length key required)
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SembastCodec getEncryptSembastCodec(
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{@required String password, String signature = "Salsa20"}) =>
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SembastCodec(
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signature: signature, codec: _EncryptCodec(password, signature));
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14
pubspec.lock
14
pubspec.lock
@ -651,13 +651,6 @@ packages:
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url: "https://pub.dartlang.org"
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source: hosted
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version: "4.0.0"
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idb_shim:
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dependency: transitive
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description:
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name: idb_shim
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.0.1"
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image:
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dependency: transitive
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description:
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@ -1180,13 +1173,6 @@ packages:
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url: "https://pub.dartlang.org"
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source: hosted
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version: "3.1.1"
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sembast_web:
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dependency: "direct main"
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description:
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name: sembast_web
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.0.1+1"
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sentry:
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dependency: "direct main"
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description:
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@ -63,7 +63,6 @@ dependencies:
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record: ^3.0.0
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salomon_bottom_bar: ^3.1.0
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scroll_to_index: ^2.1.0
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sembast_web: ^2.0.1+1
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sentry: ^6.0.1
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share: ^2.0.4
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slugify: ^2.0.0
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