Added data conversion to avoid XSS

App/Controllers/Home.php

@@ -69,7 +69,7 @@ class Home
         foreach ($args as $value) {
             if ($value == '') {
                 Session::flash('info', 'Semua data harus diisi.');
-                Redirect::to('/');
+                Redirect::to('./register');
                 die();
             }
         }
@@ -88,7 +88,12 @@ class Home
 
         $data = $this->model->showAll();
         foreach ($data as $users) {
-            if ($args['username'] == $users['username']) {
+            if (is_array($users)) {
+                $known_uname = $users['username'];
+            } else {
+                $known_uname = $data['username'];
+            }
+            if ($args['username'] == $known_uname) {
                 Session::flash('info', 'Username telah digunakan. Silahkan gunakan username lain.');
                 Redirect::to('./register');
                 die();
@@ -96,7 +101,7 @@ class Home
         }
 
         $this->model->entry($args);
-
+        Session::flash('info', 'Registrasi berhasil');
         Redirect::to('/');
         die();
     }
@@ -109,7 +114,7 @@ class Home
         $user = $this->model->showAll([
             ['username', '=', $username]
         ]);
-        
+
         if ($user == false) {
             $info = "Username/password salah.";
         } else {
@@ -142,6 +147,9 @@ class Home
 
     public function delete()
     {
+        if (Session::exists('userid') == false) {
+            throw new \Exception("Bad request but thrown as 404", 404);
+        }
         $userid = Session::get('userid');
 
         $user = $this->model->showAll([