Issue 49

Author: OStefan2001

config/pipeline.php

@@ -3,6 +3,7 @@
 declare(strict_types=1);
 
 use Dot\ErrorHandler\ErrorHandlerInterface;
+use Light\App\Middleware\PoweredByMiddleware;
 use Mezzio\Application;
 use Mezzio\Handler\NotFoundHandler;
 use Mezzio\Helper\ServerUrlMiddleware;
@@ -18,6 +19,7 @@
     // all Exceptions.
     $app->pipe(ErrorHandlerInterface::class);
     $app->pipe(ServerUrlMiddleware::class);
+    $app->pipe(PoweredByMiddleware::class);
 
     // Pipe more middleware here that you want to execute on every request:
     // - bootstrapping

src/App/src/ConfigProvider.php

@@ -16,9 +16,11 @@
 use Light\App\Factory\GetFeedViewHandlerFactory;
 use Light\App\Factory\GetIndexViewHandlerFactory;
 use Light\App\Factory\GetMarkdownArticleHandlerFactory;
+use Light\App\Factory\PoweredByMiddlewareFactory;
 use Light\App\Handler\GetFeedViewHandler;
 use Light\App\Handler\GetIndexViewHandler;
 use Light\App\Handler\GetMarkdownArticleHandler;
+use Light\App\Middleware\PoweredByMiddleware;
 use Light\App\Resolver\EntityListenerResolver;
 use Light\App\Service\FeedGenerator;
 use Mezzio\Application;
@@ -118,6 +120,7 @@ public function getDependencies(): array
                 GetFeedViewHandler::class             => GetFeedViewHandlerFactory::class,
                 GetMarkdownArticleHandler::class      => GetMarkdownArticleHandlerFactory::class,
                 FeedGenerator::class                  => FeedGeneratorFactory::class,
+                PoweredByMiddleware::class            => PoweredByMiddlewareFactory::class,
             ],
             'aliases'    => [
                 EntityManager::class          => 'doctrine.entity_manager.orm_default',

src/App/src/Factory/PoweredByMiddlewareFactory.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Light\App\Factory;
+
+use Light\App\Middleware\PoweredByMiddleware;
+use Psr\Container\ContainerInterface;
+
+class PoweredByMiddlewareFactory
+{
+    public function __invoke(ContainerInterface $container): PoweredByMiddleware
+    {
+        $config = $container->get('config');
+
+        return new PoweredByMiddleware($config['application']['meta']['siteName'] ?? '');
+    }
+}

src/App/src/Middleware/PoweredByMiddleware.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Light\App\Middleware;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class PoweredByMiddleware implements MiddlewareInterface
+{
+    public function __construct(private readonly string $siteName)
+    {
+    }
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $response = $handler->handle($request);
+
+        if ($this->siteName === '') {
+            return $response;
+        }
+
+        return $response->withHeader('X-Powered-By', $this->siteName);
+    }
+}