vendor/symfony/framework-bundle/Controller/AbstractController.php line 317
<?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\Bundle\FrameworkBundle\Controller;use Psr\Container\ContainerInterface;use Psr\Link\LinkInterface;use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;use Symfony\Component\DependencyInjection\ParameterBag\ContainerBagInterface;use Symfony\Component\Form\Extension\Core\Type\FormType;use Symfony\Component\Form\FormBuilderInterface;use Symfony\Component\Form\FormFactoryInterface;use Symfony\Component\Form\FormInterface;use Symfony\Component\HttpFoundation\BinaryFileResponse;use Symfony\Component\HttpFoundation\Exception\SessionNotFoundException;use Symfony\Component\HttpFoundation\JsonResponse;use Symfony\Component\HttpFoundation\RedirectResponse;use Symfony\Component\HttpFoundation\Request;use Symfony\Component\HttpFoundation\RequestStack;use Symfony\Component\HttpFoundation\Response;use Symfony\Component\HttpFoundation\ResponseHeaderBag;use Symfony\Component\HttpFoundation\Session\FlashBagAwareSessionInterface;use Symfony\Component\HttpFoundation\StreamedResponse;use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;use Symfony\Component\HttpKernel\HttpKernelInterface;use Symfony\Component\Routing\Generator\UrlGeneratorInterface;use Symfony\Component\Routing\RouterInterface;use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;use Symfony\Component\Security\Core\Exception\AccessDeniedException;use Symfony\Component\Security\Core\User\UserInterface;use Symfony\Component\Security\Csrf\CsrfToken;use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;use Symfony\Component\Serializer\SerializerInterface;use Symfony\Component\WebLink\EventListener\AddLinkHeaderListener;use Symfony\Component\WebLink\GenericLinkProvider;use Symfony\Contracts\Service\Attribute\Required;use Symfony\Contracts\Service\ServiceSubscriberInterface;use Twig\Environment;/*** Provides shortcuts for HTTP-related features in controllers.** @author Fabien Potencier <fabien@symfony.com>*/abstract class AbstractController implements ServiceSubscriberInterface{/*** @var ContainerInterface*/protected $container;/*** @required*/#[Required]public function setContainer(ContainerInterface $container): ?ContainerInterface{$previous = $this->container;$this->container = $container;return $previous;}/*** Gets a container parameter by its name.*/protected function getParameter(string $name): array|bool|string|int|float|\UnitEnum|null{if (!$this->container->has('parameter_bag')) {throw new ServiceNotFoundException('parameter_bag.', null, null, [], sprintf('The "%s::getParameter()" method is missing a parameter bag to work properly. Did you forget to register your controller as a service subscriber? This can be fixed either by using autoconfiguration or by manually wiring a "parameter_bag" in the service locator passed to the controller.', static::class));}return $this->container->get('parameter_bag')->get($name);}public static function getSubscribedServices(): array{return ['router' => '?'.RouterInterface::class,'request_stack' => '?'.RequestStack::class,'http_kernel' => '?'.HttpKernelInterface::class,'serializer' => '?'.SerializerInterface::class,'security.authorization_checker' => '?'.AuthorizationCheckerInterface::class,'twig' => '?'.Environment::class,'form.factory' => '?'.FormFactoryInterface::class,'security.token_storage' => '?'.TokenStorageInterface::class,'security.csrf.token_manager' => '?'.CsrfTokenManagerInterface::class,'parameter_bag' => '?'.ContainerBagInterface::class,];}/*** Generates a URL from the given parameters.** @see UrlGeneratorInterface*/protected function generateUrl(string $route, array $parameters = [], int $referenceType = UrlGeneratorInterface::ABSOLUTE_PATH): string{return $this->container->get('router')->generate($route, $parameters, $referenceType);}/*** Forwards the request to another controller.** @param string $controller The controller name (a string like Bundle\BlogBundle\Controller\PostController::indexAction)*/protected function forward(string $controller, array $path = [], array $query = []): Response{$request = $this->container->get('request_stack')->getCurrentRequest();$path['_controller'] = $controller;$subRequest = $request->duplicate($query, null, $path);return $this->container->get('http_kernel')->handle($subRequest, HttpKernelInterface::SUB_REQUEST);}/*** Returns a RedirectResponse to the given URL.** @param int $status The HTTP status code (302 "Found" by default)*/protected function redirect(string $url, int $status = 302): RedirectResponse{return new RedirectResponse($url, $status);}/*** Returns a RedirectResponse to the given route with the given parameters.** @param int $status The HTTP status code (302 "Found" by default)*/protected function redirectToRoute(string $route, array $parameters = [], int $status = 302): RedirectResponse{return $this->redirect($this->generateUrl($route, $parameters), $status);}/*** Returns a JsonResponse that uses the serializer component if enabled, or json_encode.** @param int $status The HTTP status code (200 "OK" by default)*/protected function json(mixed $data, int $status = 200, array $headers = [], array $context = []): JsonResponse{if ($this->container->has('serializer')) {$json = $this->container->get('serializer')->serialize($data, 'json', array_merge(['json_encode_options' => JsonResponse::DEFAULT_ENCODING_OPTIONS,], $context));return new JsonResponse($json, $status, $headers, true);}return new JsonResponse($data, $status, $headers);}/*** Returns a BinaryFileResponse object with original or customized file name and disposition header.*/protected function file(\SplFileInfo|string $file, string $fileName = null, string $disposition = ResponseHeaderBag::DISPOSITION_ATTACHMENT): BinaryFileResponse{$response = new BinaryFileResponse($file);$response->setContentDisposition($disposition, null === $fileName ? $response->getFile()->getFilename() : $fileName);return $response;}/*** Adds a flash message to the current session for type.** @throws \LogicException*/protected function addFlash(string $type, mixed $message): void{try {$session = $this->container->get('request_stack')->getSession();} catch (SessionNotFoundException $e) {throw new \LogicException('You cannot use the addFlash method if sessions are disabled. Enable them in "config/packages/framework.yaml".', 0, $e);}if (!$session instanceof FlashBagAwareSessionInterface) {trigger_deprecation('symfony/framework-bundle', '6.2', 'Calling "addFlash()" method when the session does not implement %s is deprecated.', FlashBagAwareSessionInterface::class);}$session->getFlashBag()->add($type, $message);}/*** Checks if the attribute is granted against the current authentication token and optionally supplied subject.** @throws \LogicException*/protected function isGranted(mixed $attribute, mixed $subject = null): bool{if (!$this->container->has('security.authorization_checker')) {throw new \LogicException('The SecurityBundle is not registered in your application. Try running "composer require symfony/security-bundle".');}return $this->container->get('security.authorization_checker')->isGranted($attribute, $subject);}/*** Throws an exception unless the attribute is granted against the current authentication token and optionally* supplied subject.** @throws AccessDeniedException*/protected function denyAccessUnlessGranted(mixed $attribute, mixed $subject = null, string $message = 'Access Denied.'): void{if (!$this->isGranted($attribute, $subject)) {$exception = $this->createAccessDeniedException($message);$exception->setAttributes([$attribute]);$exception->setSubject($subject);throw $exception;}}/*** Returns a rendered view.** Forms found in parameters are auto-cast to form views.*/protected function renderView(string $view, array $parameters = []): string{if (!$this->container->has('twig')) {throw new \LogicException('You cannot use the "renderView" method if the Twig Bundle is not available. Try running "composer require symfony/twig-bundle".');}foreach ($parameters as $k => $v) {if ($v instanceof FormInterface) {$parameters[$k] = $v->createView();}}return $this->container->get('twig')->render($view, $parameters);}/*** Renders a view.** If an invalid form is found in the list of parameters, a 422 status code is returned.* Forms found in parameters are auto-cast to form views.*/protected function render(string $view, array $parameters = [], Response $response = null): Response{$content = $this->renderView($view, $parameters);$response ??= new Response();if (200 === $response->getStatusCode()) {foreach ($parameters as $v) {if ($v instanceof FormInterface && $v->isSubmitted() && !$v->isValid()) {$response->setStatusCode(422);break;}}}$response->setContent($content);return $response;}/*** Renders a view and sets the appropriate status code when a form is listed in parameters.** If an invalid form is found in the list of parameters, a 422 status code is returned.** @deprecated since Symfony 6.2, use render() instead*/protected function renderForm(string $view, array $parameters = [], Response $response = null): Response{trigger_deprecation('symfony/framework-bundle', '6.2', 'The "%s::renderForm()" method is deprecated, use "render()" instead.', get_debug_type($this));return $this->render($view, $parameters, $response);}/*** Streams a view.*/protected function stream(string $view, array $parameters = [], StreamedResponse $response = null): StreamedResponse{if (!$this->container->has('twig')) {throw new \LogicException('You cannot use the "stream" method if the Twig Bundle is not available. Try running "composer require symfony/twig-bundle".');}$twig = $this->container->get('twig');$callback = function () use ($twig, $view, $parameters) {$twig->display($view, $parameters);};if (null === $response) {return new StreamedResponse($callback);}$response->setCallback($callback);return $response;}/*** Returns a NotFoundHttpException.** This will result in a 404 response code. Usage example:** throw $this->createNotFoundException('Page not found!');*/protected function createNotFoundException(string $message = 'Not Found', \Throwable $previous = null): NotFoundHttpException{return new NotFoundHttpException($message, $previous);}/*** Returns an AccessDeniedException.** This will result in a 403 response code. Usage example:** throw $this->createAccessDeniedException('Unable to access this page!');** @throws \LogicException If the Security component is not available*/protected function createAccessDeniedException(string $message = 'Access Denied.', \Throwable $previous = null): AccessDeniedException{if (!class_exists(AccessDeniedException::class)) {throw new \LogicException('You cannot use the "createAccessDeniedException" method if the Security component is not available. Try running "composer require symfony/security-bundle".');}return new AccessDeniedException($message, $previous);}/*** Creates and returns a Form instance from the type of the form.*/protected function createForm(string $type, mixed $data = null, array $options = []): FormInterface{return $this->container->get('form.factory')->create($type, $data, $options);}/*** Creates and returns a form builder instance.*/protected function createFormBuilder(mixed $data = null, array $options = []): FormBuilderInterface{return $this->container->get('form.factory')->createBuilder(FormType::class, $data, $options);}/*** Get a user from the Security Token Storage.** @throws \LogicException If SecurityBundle is not available** @see TokenInterface::getUser()*/protected function getUser(): ?UserInterface{if (!$this->container->has('security.token_storage')) {throw new \LogicException('The SecurityBundle is not registered in your application. Try running "composer require symfony/security-bundle".');}if (null === $token = $this->container->get('security.token_storage')->getToken()) {return null;}return $token->getUser();}/*** Checks the validity of a CSRF token.** @param string $id The id used when generating the token* @param string|null $token The actual token sent with the request that should be validated*/protected function isCsrfTokenValid(string $id, #[\SensitiveParameter] ?string $token): bool{if (!$this->container->has('security.csrf.token_manager')) {throw new \LogicException('CSRF protection is not enabled in your application. Enable it with the "csrf_protection" key in "config/packages/framework.yaml".');}return $this->container->get('security.csrf.token_manager')->isTokenValid(new CsrfToken($id, $token));}/*** Adds a Link HTTP header to the current response.** @see https://tools.ietf.org/html/rfc5988*/protected function addLink(Request $request, LinkInterface $link): void{if (!class_exists(AddLinkHeaderListener::class)) {throw new \LogicException('You cannot use the "addLink" method if the WebLink component is not available. Try running "composer require symfony/web-link".');}if (null === $linkProvider = $request->attributes->get('_links')) {$request->attributes->set('_links', new GenericLinkProvider([$link]));return;}$request->attributes->set('_links', $linkProvider->withLink($link));}}