Implementado filtro CORS y ejemplo de resources para la API

ci4/app/Filters/Cors.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Filters;
+
+use CodeIgniter\Filters\FilterInterface;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+
+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)
+    {
+
+        header("Access-Control-Allow-Origin: https://app.imprimelibros.com");
+        header("Access-Control-Allow-Headers: X-API-KEY, Origin,X-Requested-With, Content-Type, Accept, Access-Control-Requested-Method, Authorization");
+        header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PATCH, PUT, DELETE");
+
+        $method = $_SERVER['REQUEST_METHOD'];
+        if($method == "OPTIONS"){
+            die();
+        }
+
+    }
+
+    /**
+     * 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)
+    {
+        //
+    }
+}