En-/decryption fixed

backend/app.js

@@ -3,7 +3,7 @@ import path from 'path';
 import { fileURLToPath } from 'url';
 import chatRouter from './routers/chatRouter.js';
 import authRouter from './routers/authRouter.js';
-import navigationRouter from './routers/navigationRouter.js'
+import navigationRouter from './routers/navigationRouter.js';
 import settingsRouter from './routers/settingsRouter.js';
 import cors from 'cors';
 
@@ -11,8 +11,15 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 const app = express();
- 
-app.use(cors());
+
+const corsOptions = {
+  origin: '*', 
+  methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
+  preflightContinue: false,
+  optionsSuccessStatus: 204
+};
+
+app.use(cors(corsOptions));
 app.use(express.json()); // To handle JSON request bodies
 
 app.use('/api/chat', chatRouter);