Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/http-kernel/Fragment/InlineFragmentRenderer.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/http-kernel/Fragment/InlineFragmentRenderer.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,154 @@ +<?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'; + } +}