Update middleware and models, add generateSecretKey function

routes/index.js

@@ -82,7 +82,7 @@ router.get('/setup', (req, res) => {
     if (Object.keys(setup).length === 0 && setup.constructor === Object) {
       res.render('setup', { setup });
     } else {
-      res.status(200).json({ success: false, message: 'The CDN configuration is already done.' });
+      res.status(200).json({message: 'The CDN configuration is already done.' });
     }
   });
 });