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<?php |
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declare( strict_types = 1 ); |
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namespace WMDE\Fundraising\Frontend\App\EventHandlers; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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use WMDE\Fundraising\Frontend\App\AccessDeniedException; |
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use WMDE\Fundraising\Frontend\Factories\FunFunFactory; |
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/** |
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* Generate different error responses for the different exceptions. |
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* |
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* @todo Replace this class with a custom error controller when we have switched to Symfony |
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* see https://phabricator.wikimedia.org/T263436 |
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* see https://symfony.com/doc/current/controller/error_pages.html#overriding-the-default-errorcontroller |
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*/ |
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class HandleExceptions implements EventSubscriberInterface { |
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private const PRIORITY = -8; |
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private FunFunFactory $presenterFactory; |
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public function __construct( FunFunFactory $presenterFactory ) { |
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$this->presenterFactory = $presenterFactory; |
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} |
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public static function getSubscribedEvents() { |
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return [ |
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KernelEvents::EXCEPTION => [ 'onKernelException', self::PRIORITY ] |
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]; |
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} |
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public function onKernelException( GetResponseForExceptionEvent $event ): void { |
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$exception = $event->getException(); |
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switch ( true ) { |
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case $exception instanceof AccessDeniedException: |
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$this->createAccessDeniedResponse( $event ); |
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break; |
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case $exception instanceof NotFoundHttpException: |
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$this->createNotFoundResponse( $event ); |
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break; |
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default: |
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$this->createInternalErrorResponse( $event ); |
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} |
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} |
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private function createAccessDeniedResponse( GetResponseForExceptionEvent $event ): void { |
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$event->setResponse( new Response( |
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$this->presenterFactory->newAccessDeniedHtmlPresenter()->present( |
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$event->getException()->getMessage() |
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), |
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403, |
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[ 'X-Status-Code' => 403 ] |
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) ); |
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} |
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private function createNotFoundResponse( GetResponseForExceptionEvent $event ): void { |
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if ( $this->isJsonRequest( $event ) ) { |
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$event->setResponse( JsonResponse::create( |
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[ 'ERR' => $event->getException()->getMessage() ], |
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404, |
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[ 'X-Status-Code' => 404 ] |
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) ); |
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return; |
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} |
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$event->setResponse( new Response( |
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$this->presenterFactory->newPageNotFoundHtmlPresenter()->present(), |
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404, |
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[ 'X-Status-Code' => 404 ] |
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) ); |
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} |
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private function createInternalErrorResponse( GetResponseForExceptionEvent $event ) { |
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$exception = $event->getException(); |
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if ( $this->isJsonRequest( $event ) ) { |
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$event->setResponse( JsonResponse::create( |
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[ 'ERR' => $exception->getMessage() ] |
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) ); |
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return; |
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} |
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$code = $exception instanceof HttpExceptionInterface ? $exception->getStatusCode() : Response::HTTP_INTERNAL_SERVER_ERROR; |
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$event->setResponse( new Response( |
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$this->presenterFactory->getInternalErrorHtmlPresenter()->present( $exception ), |
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$code |
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) ); |
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} |
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private function isJsonRequest( GetResponseForExceptionEvent $event ): bool { |
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return $event->getRequest() |
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->attributes |
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->get( AddIndicatorAttributeForJsonRequests::REQUEST_IS_JSON_ATTRIBUTE, false ); |
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} |
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} |
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wmde /
FundraisingFrontend
