Initial Version

core/lib/Http/Middleware/FirewallMiddleware.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace KTXC\Http\Middleware;
+
+use KTXC\Http\Request\Request;
+use KTXC\Http\Response\Response;
+use KTXC\Service\FirewallService;
+
+/**
+ * Firewall middleware
+ * Checks if the request is authorized to proceed
+ */
+class FirewallMiddleware implements MiddlewareInterface
+{
+    public function __construct(
+        private readonly FirewallService $firewall
+    ) {}
+
+    public function process(Request $request, RequestHandlerInterface $handler): Response
+    {
+        // Check firewall authorization
+        if (!$this->firewall->authorized($request)) {
+            return new Response(
+                Response::$statusTexts[Response::HTTP_FORBIDDEN], 
+                Response::HTTP_FORBIDDEN
+            );
+        }
+
+        // Continue to next middleware
+        return $handler->handle($request);
+    }
+}