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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupMiddleware\ApiBundle\EventListener; |
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use Broadway\Repository\AggregateNotFoundException; |
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use Exception; |
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use Psr\Log\LoggerInterface; |
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use Surfnet\Stepup\Exception\DomainException; |
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use Surfnet\StepupMiddleware\ApiBundle\Exception\BadApiRequestException; |
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use Surfnet\StepupMiddleware\ApiBundle\Exception\BadCommandRequestException; |
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use Surfnet\StepupMiddleware\CommandHandlingBundle\Pipeline\Exception\InvalidCommandException; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; |
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/** |
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* Converts all exceptions into JSON responses. |
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*/ |
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class ExceptionListener |
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{ |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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public function __construct(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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public function onKernelException(GetResponseForExceptionEvent $event) |
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{ |
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$exception = $event->getException(); |
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$this->logException($exception); |
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if ($exception instanceof HttpExceptionInterface && $exception instanceof Exception) { |
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$statusCode = $exception->getStatusCode(); |
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$headers = $exception->getHeaders(); |
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} else { |
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$statusCode = $exception instanceof BadApiRequestException |
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|| $exception instanceof BadCommandRequestException |
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|| $exception instanceof DomainException |
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|| $exception instanceof AggregateNotFoundException |
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? 400 |
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: 500; |
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$headers = []; |
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} |
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$event->setResponse($this->createJsonErrorResponse($exception, $statusCode, $headers)); |
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} |
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private function logException(Exception $exception) |
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{ |
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# As per \Symfony\Component\HttpKernel\EventListener\ExceptionListener#logException(). |
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$isCritical = !$exception instanceof HttpExceptionInterface || $exception->getStatusCode() >= 500; |
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if ($isCritical) { |
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$this->logger->critical($exception->getMessage(), ['exception' => $exception]); |
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} else { |
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$this->logger->error($exception->getMessage(), ['exception' => $exception]); |
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} |
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} |
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/** |
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* @param Exception $exception |
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* @param int $statusCode |
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* @param array $headers OPTIONAL |
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* @return JsonResponse |
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*/ |
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private function createJsonErrorResponse(Exception $exception, $statusCode, $headers = []) |
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{ |
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if ($exception instanceof BadApiRequestException |
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|| $exception instanceof BadCommandRequestException |
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|| $exception instanceof InvalidCommandException |
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) { |
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$errors = $exception->getErrors(); |
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} else { |
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$errors = [sprintf('%s: %s', get_class($exception), $exception->getMessage())]; |
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} |
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return new JsonResponse(['errors' => $errors], $statusCode, $headers); |
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} |
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} |
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OpenConext /
Stepup-Middleware
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