--- /dev/null
+<?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\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\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 $kernel;
+ private $dispatcher;
+
+ /**
+ * Constructor.
+ *
+ * @param HttpKernelInterface $kernel A HttpKernelInterface instance
+ * @param EventDispatcherInterface $dispatcher A EventDispatcherInterface instance
+ */
+ public function __construct(HttpKernelInterface $kernel, EventDispatcherInterface $dispatcher = null)
+ {
+ $this->kernel = $kernel;
+ $this->dispatcher = $dispatcher;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * Additional available options:
+ *
+ * * alt: an alternative URI to render in case of an error
+ */
+ public function render($uri, Request $request, array $options = array())
+ {
+ $reference = null;
+ if ($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 = array();
+
+ // The request format and locale might have been overridden by the user
+ foreach (array('_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 $this->kernel->handle($subRequest, HttpKernelInterface::SUB_REQUEST, false);
+ } catch (\Exception $e) {
+ // we dispatch the exception event to trigger the logging
+ // the response that comes back is simply ignored
+ if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) {
+ $event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e);
+
+ $this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event);
+ }
+
+ // let's clean up the output buffers that were created by the sub-request
+ Response::closeOutputBuffers($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 $e;
+ }
+
+ return new Response();
+ }
+ }
+
+ protected function createSubRequest($uri, Request $request)
+ {
+ $cookies = $request->cookies->all();
+ $server = $request->server->all();
+
+ // Override the arguments to emulate a sub-request.
+ // Sub-request object will point to localhost as client ip and real client ip
+ // will be included into trusted header for client ip
+ try {
+ if ($trustedHeaderName = Request::getTrustedHeaderName(Request::HEADER_CLIENT_IP)) {
+ $currentXForwardedFor = $request->headers->get($trustedHeaderName, '');
+
+ $server['HTTP_'.$trustedHeaderName] = ($currentXForwardedFor ? $currentXForwardedFor.', ' : '').$request->getClientIp();
+ }
+ } catch (\InvalidArgumentException $e) {
+ // Do nothing
+ }
+
+ $server['REMOTE_ADDR'] = '127.0.0.1';
+ unset($server['HTTP_IF_MODIFIED_SINCE']);
+ unset($server['HTTP_IF_NONE_MATCH']);
+
+ $subRequest = Request::create($uri, 'get', array(), $cookies, array(), $server);
+ if ($request->headers->has('Surrogate-Capability')) {
+ $subRequest->headers->set('Surrogate-Capability', $request->headers->get('Surrogate-Capability'));
+ }
+
+ if ($session = $request->getSession()) {
+ $subRequest->setSession($session);
+ }
+
+ return $subRequest;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getName()
+ {
+ return 'inline';
+ }
+}