Initial commit

lib/core/store/local_vault.dart

@@ -0,0 +1,55 @@
+import 'dart:convert';
+
+import 'package:encrypted_shared_preferences/encrypted_shared_preferences.dart';
+import 'package:flutter_paperless_mobile/features/login/model/authentication_information.dart';
+import 'package:flutter_paperless_mobile/features/login/model/client_certificate.dart';
+import 'package:flutter_paperless_mobile/features/settings/model/application_settings_state.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class LocalVault {
+  static const applicationSettingsKey = "applicationSettings";
+  static const authenticationKey = "authentication";
+
+  final EncryptedSharedPreferences sharedPreferences;
+
+  LocalVault(this.sharedPreferences);
+
+  Future<void> storeAuthenticationInformation(
+    AuthenticationInformation auth,
+  ) async {
+    await sharedPreferences.setString(
+      authenticationKey,
+      json.encode(auth.toJson()),
+    );
+  }
+
+  Future<AuthenticationInformation?> loadAuthenticationInformation() async {
+    if ((await sharedPreferences.getString(authenticationKey)).isEmpty) {
+      return null;
+    }
+    return AuthenticationInformation.fromJson(
+      json.decode(await sharedPreferences.getString(authenticationKey)),
+    );
+  }
+
+  Future<ClientCertificate?> loadCertificate() async {
+    return loadAuthenticationInformation().then((value) => value?.clientCertificate);
+  }
+
+  Future<bool> storeApplicationSettings(ApplicationSettingsState settings) {
+    return sharedPreferences.setString(applicationSettingsKey, json.encode(settings.toJson()));
+  }
+
+  Future<ApplicationSettingsState?> loadApplicationSettings() async {
+    final settings = await sharedPreferences.getString(applicationSettingsKey);
+    if (settings.isEmpty) {
+      return null;
+    }
+    return ApplicationSettingsState.fromJson(json.decode(settings));
+  }
+
+  Future<void> clear() {
+    return sharedPreferences.clear();
+  }
+}