vendor/symfony/http-kernel/EventListener/RouterListener.php line 90
- <?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\EventListener;
- use Psr\Log\LoggerInterface;
- use Symfony\Component\EventDispatcher\EventSubscriberInterface;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\HttpFoundation\RequestStack;
- use Symfony\Component\HttpFoundation\Response;
- use Symfony\Component\HttpKernel\Event\ExceptionEvent;
- use Symfony\Component\HttpKernel\Event\RequestEvent;
- use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
- use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
- use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
- use Symfony\Component\HttpKernel\Kernel;
- use Symfony\Component\HttpKernel\KernelEvents;
- use Symfony\Component\Routing\Exception\MethodNotAllowedException;
- use Symfony\Component\Routing\Exception\NoConfigurationException;
- use Symfony\Component\Routing\Exception\ResourceNotFoundException;
- use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
- use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
- use Symfony\Component\Routing\RequestContext;
- use Symfony\Component\Routing\RequestContextAwareInterface;
- /**
- * Initializes the context from the request and sets request attributes based on a matching route.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- * @author Yonel Ceruto <yonelceruto@gmail.com>
- *
- * @final
- */
- class RouterListener implements EventSubscriberInterface
- {
- private RequestMatcherInterface|UrlMatcherInterface $matcher;
- private RequestContext $context;
- private ?LoggerInterface $logger;
- private RequestStack $requestStack;
- private ?string $projectDir;
- private bool $debug;
- /**
- * @param RequestContext|null $context The RequestContext (can be null when $matcher implements RequestContextAwareInterface)
- *
- * @throws \InvalidArgumentException
- */
- public function __construct(UrlMatcherInterface|RequestMatcherInterface $matcher, RequestStack $requestStack, RequestContext $context = null, LoggerInterface $logger = null, string $projectDir = null, bool $debug = true)
- {
- if (null === $context && !$matcher instanceof RequestContextAwareInterface) {
- throw new \InvalidArgumentException('You must either pass a RequestContext or the matcher must implement RequestContextAwareInterface.');
- }
- $this->matcher = $matcher;
- $this->context = $context ?? $matcher->getContext();
- $this->requestStack = $requestStack;
- $this->logger = $logger;
- $this->projectDir = $projectDir;
- $this->debug = $debug;
- }
- private function setCurrentRequest(?Request $request)
- {
- if (null !== $request) {
- try {
- $this->context->fromRequest($request);
- } catch (\UnexpectedValueException $e) {
- throw new BadRequestHttpException($e->getMessage(), $e, $e->getCode());
- }
- }
- }
- /**
- * After a sub-request is done, we need to reset the routing context to the parent request so that the URL generator
- * operates on the correct context again.
- */
- public function onKernelFinishRequest()
- {
- $this->setCurrentRequest($this->requestStack->getParentRequest());
- }
- public function onKernelRequest(RequestEvent $event)
- {
- $request = $event->getRequest();
- $this->setCurrentRequest($request);
- if ($request->attributes->has('_controller')) {
- // routing is already done
- return;
- }
- // add attributes based on the request (routing)
- try {
- // matching a request is more powerful than matching a URL path + context, so try that first
- if ($this->matcher instanceof RequestMatcherInterface) {
- $parameters = $this->matcher->matchRequest($request);
- } else {
- $parameters = $this->matcher->match($request->getPathInfo());
- }
- $this->logger?->info('Matched route "{route}".', [
- 'route' => $parameters['_route'] ?? 'n/a',
- 'route_parameters' => $parameters,
- 'request_uri' => $request->getUri(),
- 'method' => $request->getMethod(),
- ]);
- $request->attributes->add($parameters);
- unset($parameters['_route'], $parameters['_controller']);
- $request->attributes->set('_route_params', $parameters);
- } catch (ResourceNotFoundException $e) {
- $message = sprintf('No route found for "%s %s"', $request->getMethod(), $request->getUriForPath($request->getPathInfo()));
- if ($referer = $request->headers->get('referer')) {
- $message .= sprintf(' (from "%s")', $referer);
- }
- throw new NotFoundHttpException($message, $e);
- } catch (MethodNotAllowedException $e) {
- $message = sprintf('No route found for "%s %s": Method Not Allowed (Allow: %s)', $request->getMethod(), $request->getUriForPath($request->getPathInfo()), implode(', ', $e->getAllowedMethods()));
- throw new MethodNotAllowedHttpException($e->getAllowedMethods(), $message, $e);
- }
- }
- public function onKernelException(ExceptionEvent $event)
- {
- if (!$this->debug || !($e = $event->getThrowable()) instanceof NotFoundHttpException) {
- return;
- }
- if ($e->getPrevious() instanceof NoConfigurationException) {
- $event->setResponse($this->createWelcomeResponse());
- }
- }
- public static function getSubscribedEvents(): array
- {
- return [
- KernelEvents::REQUEST => [['onKernelRequest', 32]],
- KernelEvents::FINISH_REQUEST => [['onKernelFinishRequest', 0]],
- KernelEvents::EXCEPTION => ['onKernelException', -64],
- ];
- }
- private function createWelcomeResponse(): Response
- {
- $version = Kernel::VERSION;
- $projectDir = realpath((string) $this->projectDir).\DIRECTORY_SEPARATOR;
- $docVersion = substr(Kernel::VERSION, 0, 3);
- ob_start();
- include \dirname(__DIR__).'/Resources/welcome.html.php';
- return new Response(ob_get_clean(), Response::HTTP_NOT_FOUND);
- }
- }