Premier commit

lib/CorsMiddleware.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace app\lib;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+final class CorsMiddleware implements MiddlewareInterface
+{
+    /**
+     * {@inheritDoc}
+     * @see \Psr\Http\Server\MiddlewareInterface::process()
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $response = $handler->handle($request);
+
+        return $response->withHeader('Access-Control-Allow-Origin', '*');
+    }
+}