GWM : CORS error handling

app/Config/Filters.php

@@ -61,6 +61,7 @@ class Filters extends BaseFilters
         'before' => [
             'forcehttps', // Force Global Secure Requests
             'pagecache',  // Web Page Caching
+            
         ],
         'after' => [
             'pagecache',   // Web Page Caching
@@ -80,6 +81,7 @@ class Filters extends BaseFilters
             // 'honeypot',
             // 'csrf',
             // 'invalidchars',
+            'cors'
         ],
         'after' => [
             // 'honeypot',

app/Filters/Cors.php

@@ -2,53 +2,24 @@
 
 namespace App\Filters;
 
-use CodeIgniter\Filters\FilterInterface;
 use CodeIgniter\HTTP\RequestInterface;
 use CodeIgniter\HTTP\ResponseInterface;
+use CodeIgniter\Filters\FilterInterface;
 
 class Cors implements FilterInterface
 {
-    /**
-     * Do whatever processing this filter needs to do.
-     * By default it should not return anything during
-     * normal execution. However, when an abnormal state
-     * is found, it should return an instance of
-     * CodeIgniter\HTTP\Response. If it does, script
-     * execution will end and that Response will be
-     * sent back to the client, allowing for error pages,
-     * redirects, etc.
-     *
-     * @param RequestInterface $request
-     * @param array|null       $arguments
-     *
-     * @return RequestInterface|ResponseInterface|string|void
-     */
     public function before(RequestInterface $request, $arguments = null)
     {
-        // Set CORS headers
+        header('Access-Control-Allow-Origin: *'); // or your domain
-        header("Access-Control-Allow-Origin: *");
+        header('Access-Control-Allow-Headers: Content-Type, Authorization, X-Requested-With');
-        header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE");
+        header('Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE');
-        header("Access-Control-Allow-Headers: Content-Type, Authorization, X-Requested-With");
 
-        // Handle preflight requests
+        // Handle preflight OPTIONS request
-        if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+        if ($request->getMethod() === 'options') {
-            header("HTTP/1.1 200 OK");
+            die();
-            exit;
         }
     }
 
-    /**
-     * Allows After filters to inspect and modify the response
-     * object as needed. This method does not allow any way
-     * to stop execution of other after filters, short of
-     * throwing an Exception or Error.
-     *
-     * @param RequestInterface  $request
-     * @param ResponseInterface $response
-     * @param array|null        $arguments
-     *
-     * @return ResponseInterface|void
-     */
     public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
     {
         return $response;