home/alospiesjs/www/apis/youtube/vendor/symfony/http-kernel/HttpKernel.php000060400000023557151155353300023164 0ustar00 * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel; use Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\RequestStack; use Symfony\Component\HttpFoundation\Response; use Symfony\Component\HttpKernel\Controller\ArgumentResolver; use Symfony\Component\HttpKernel\Controller\ArgumentResolverInterface; use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface; use Symfony\Component\HttpKernel\Event\ControllerArgumentsEvent; use Symfony\Component\HttpKernel\Event\ControllerEvent; use Symfony\Component\HttpKernel\Event\ExceptionEvent; use Symfony\Component\HttpKernel\Event\FinishRequestEvent; use Symfony\Component\HttpKernel\Event\RequestEvent; use Symfony\Component\HttpKernel\Event\ResponseEvent; use Symfony\Component\HttpKernel\Event\TerminateEvent; use Symfony\Component\HttpKernel\Event\ViewEvent; use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; use Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException; use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; use Symfony\Contracts\EventDispatcher\EventDispatcherInterface; // Help opcache.preload discover always-needed symbols class_exists(ControllerArgumentsEvent::class); class_exists(ControllerEvent::class); class_exists(ExceptionEvent::class); class_exists(FinishRequestEvent::class); class_exists(RequestEvent::class); class_exists(ResponseEvent::class); class_exists(TerminateEvent::class); class_exists(ViewEvent::class); class_exists(KernelEvents::class); /** * HttpKernel notifies events to convert a Request object to a Response one. * * @author Fabien Potencier */ class HttpKernel implements HttpKernelInterface, TerminableInterface { protected $dispatcher; protected $resolver; protected $requestStack; private $argumentResolver; public function __construct(EventDispatcherInterface $dispatcher, ControllerResolverInterface $resolver, RequestStack $requestStack = null, ArgumentResolverInterface $argumentResolver = null) { $this->dispatcher = $dispatcher; $this->resolver = $resolver; $this->requestStack = $requestStack ?? new RequestStack(); $this->argumentResolver = $argumentResolver ?? new ArgumentResolver(); } /** * {@inheritdoc} */ public function handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true): Response { $request->headers->set('X-Php-Ob-Level', (string) ob_get_level()); try { return $this->handleRaw($request, $type); } catch (\Exception $e) { if ($e instanceof RequestExceptionInterface) { $e = new BadRequestHttpException($e->getMessage(), $e); } if (false === $catch) { $this->finishRequest($request, $type); throw $e; } return $this->handleThrowable($e, $request, $type); } } /** * {@inheritdoc} */ public function terminate(Request $request, Response $response) { $this->dispatcher->dispatch(new TerminateEvent($this, $request, $response), KernelEvents::TERMINATE); } /** * @internal */ public function terminateWithException(\Throwable $exception, Request $request = null) { if (!$request = $request ?: $this->requestStack->getMainRequest()) { throw $exception; } $response = $this->handleThrowable($exception, $request, self::MAIN_REQUEST); $response->sendHeaders(); $response->sendContent(); $this->terminate($request, $response); } /** * Handles a request to convert it to a response. * * Exceptions are not caught. * * @throws \LogicException If one of the listener does not behave as expected * @throws NotFoundHttpException When controller cannot be found */ private function handleRaw(Request $request, int $type = self::MAIN_REQUEST): Response { $this->requestStack->push($request); // request $event = new RequestEvent($this, $request, $type); $this->dispatcher->dispatch($event, KernelEvents::REQUEST); if ($event->hasResponse()) { return $this->filterResponse($event->getResponse(), $request, $type); } // load controller if (false === $controller = $this->resolver->getController($request)) { throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.', $request->getPathInfo())); } $event = new ControllerEvent($this, $controller, $request, $type); $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER); $controller = $event->getController(); // controller arguments $arguments = $this->argumentResolver->getArguments($request, $controller); $event = new ControllerArgumentsEvent($this, $controller, $arguments, $request, $type); $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS); $controller = $event->getController(); $arguments = $event->getArguments(); // call controller $response = $controller(...$arguments); // view if (!$response instanceof Response) { $event = new ViewEvent($this, $request, $type, $response); $this->dispatcher->dispatch($event, KernelEvents::VIEW); if ($event->hasResponse()) { $response = $event->getResponse(); } else { $msg = sprintf('The controller must return a "Symfony\Component\HttpFoundation\Response" object but it returned %s.', $this->varToString($response)); // the user may have forgotten to return something if (null === $response) { $msg .= ' Did you forget to add a return statement somewhere in your controller?'; } throw new ControllerDoesNotReturnResponseException($msg, $controller, __FILE__, __LINE__ - 17); } } return $this->filterResponse($response, $request, $type); } /** * Filters a response object. * * @throws \RuntimeException if the passed object is not a Response instance */ private function filterResponse(Response $response, Request $request, int $type): Response { $event = new ResponseEvent($this, $request, $type, $response); $this->dispatcher->dispatch($event, KernelEvents::RESPONSE); $this->finishRequest($request, $type); return $event->getResponse(); } /** * Publishes the finish request event, then pop the request from the stack. * * Note that the order of the operations is important here, otherwise * operations such as {@link RequestStack::getParentRequest()} can lead to * weird results. */ private function finishRequest(Request $request, int $type) { $this->dispatcher->dispatch(new FinishRequestEvent($this, $request, $type), KernelEvents::FINISH_REQUEST); $this->requestStack->pop(); } /** * Handles a throwable by trying to convert it to a Response. * * @throws \Exception */ private function handleThrowable(\Throwable $e, Request $request, int $type): Response { $event = new ExceptionEvent($this, $request, $type, $e); $this->dispatcher->dispatch($event, KernelEvents::EXCEPTION); // a listener might have replaced the exception $e = $event->getThrowable(); if (!$event->hasResponse()) { $this->finishRequest($request, $type); throw $e; } $response = $event->getResponse(); // the developer asked for a specific status code if (!$event->isAllowingCustomResponseCode() && !$response->isClientError() && !$response->isServerError() && !$response->isRedirect()) { // ensure that we actually have an error response if ($e instanceof HttpExceptionInterface) { // keep the HTTP status code and headers $response->setStatusCode($e->getStatusCode()); $response->headers->add($e->getHeaders()); } else { $response->setStatusCode(500); } } try { return $this->filterResponse($response, $request, $type); } catch (\Exception $e) { return $response; } } /** * Returns a human-readable string for the specified variable. */ private function varToString(mixed $var): string { if (\is_object($var)) { return sprintf('an object of type %s', \get_class($var)); } if (\is_array($var)) { $a = []; foreach ($var as $k => $v) { $a[] = sprintf('%s => ...', $k); } return sprintf('an array ([%s])', mb_substr(implode(', ', $a), 0, 255)); } if (\is_resource($var)) { return sprintf('a resource (%s)', get_resource_type($var)); } if (null === $var) { return 'null'; } if (false === $var) { return 'a boolean value (false)'; } if (true === $var) { return 'a boolean value (true)'; } if (\is_string($var)) { return sprintf('a string ("%s%s")', mb_substr($var, 0, 255), mb_strlen($var) > 255 ? '...' : ''); } if (is_numeric($var)) { return sprintf('a number (%s)', (string) $var); } return (string) $var; } }