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vendor/symfony/http-kernel/Fragment/InlineFragmentRenderer.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Symfony\Component\HttpKernel\HttpCache\SubRequestHandler;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Implements the inline rendering strategy where the Request is rendered by the current HTTP kernel.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class InlineFragmentRenderer extends RoutableFragmentRenderer
+{
+    private HttpKernelInterface $kernel;
+    private ?EventDispatcherInterface $dispatcher;
+
+    public function __construct(HttpKernelInterface $kernel, ?EventDispatcherInterface $dispatcher = null)
+    {
+        $this->kernel = $kernel;
+        $this->dispatcher = $dispatcher;
+    }
+
+    /**
+     * Additional available options:
+     *
+     *  * alt: an alternative URI to render in case of an error
+     */
+    public function render(string|ControllerReference $uri, Request $request, array $options = []): Response
+    {
+        $reference = null;
+        if ($uri instanceof ControllerReference) {
+            $reference = $uri;
+
+            // Remove attributes from the generated URI because if not, the Symfony
+            // routing system will use them to populate the Request attributes. We don't
+            // want that as we want to preserve objects (so we manually set Request attributes
+            // below instead)
+            $attributes = $reference->attributes;
+            $reference->attributes = [];
+
+            // The request format and locale might have been overridden by the user
+            foreach (['_format', '_locale'] as $key) {
+                if (isset($attributes[$key])) {
+                    $reference->attributes[$key] = $attributes[$key];
+                }
+            }
+
+            $uri = $this->generateFragmentUri($uri, $request, false, false);
+
+            $reference->attributes = array_merge($attributes, $reference->attributes);
+        }
+
+        $subRequest = $this->createSubRequest($uri, $request);
+
+        // override Request attributes as they can be objects (which are not supported by the generated URI)
+        if (null !== $reference) {
+            $subRequest->attributes->add($reference->attributes);
+        }
+
+        $level = ob_get_level();
+        try {
+            return SubRequestHandler::handle($this->kernel, $subRequest, HttpKernelInterface::SUB_REQUEST, false);
+        } catch (\Exception $e) {
+            // we dispatch the exception event to trigger the logging
+            // the response that comes back is ignored
+            if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) {
+                $event = new ExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e);
+
+                $this->dispatcher->dispatch($event, KernelEvents::EXCEPTION);
+            }
+
+            // let's clean up the output buffers that were created by the sub-request
+            Response::closeOutputBuffers($level, false);
+
+            if (isset($options['alt'])) {
+                $alt = $options['alt'];
+                unset($options['alt']);
+
+                return $this->render($alt, $request, $options);
+            }
+
+            if (!isset($options['ignore_errors']) || !$options['ignore_errors']) {
+                throw $e;
+            }
+
+            return new Response();
+        }
+    }
+
+    /**
+     * @return Request
+     */
+    protected function createSubRequest(string $uri, Request $request)
+    {
+        $cookies = $request->cookies->all();
+        $server = $request->server->all();
+
+        unset($server['HTTP_IF_MODIFIED_SINCE']);
+        unset($server['HTTP_IF_NONE_MATCH']);
+
+        $subRequest = Request::create($uri, 'get', [], $cookies, [], $server);
+        if ($request->headers->has('Surrogate-Capability')) {
+            $subRequest->headers->set('Surrogate-Capability', $request->headers->get('Surrogate-Capability'));
+        }
+
+        static $setSession;
+
+        $setSession ??= \Closure::bind(static function ($subRequest, $request) { $subRequest->session = $request->session; }, null, Request::class);
+        $setSession($subRequest, $request);
+
+        if ($request->get('_format')) {
+            $subRequest->attributes->set('_format', $request->get('_format'));
+        }
+        if ($request->getDefaultLocale() !== $request->getLocale()) {
+            $subRequest->setLocale($request->getLocale());
+        }
+        if ($request->attributes->has('_stateless')) {
+            $subRequest->attributes->set('_stateless', $request->attributes->get('_stateless'));
+        }
+        if ($request->attributes->has('_check_controller_is_allowed')) {
+            $subRequest->attributes->set('_check_controller_is_allowed', $request->attributes->get('_check_controller_is_allowed'));
+        }
+
+        return $subRequest;
+    }
+
+    public function getName(): string
+    {
+        return 'inline';
+    }
+}