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<?php |
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/** |
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* Created by PhpStorm. |
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* User: taachja1 |
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* Date: 13/04/16 |
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* Time: 10:16 |
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*/ |
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namespace Graviton\CoreBundle\Listener; |
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use Monolog\Logger; |
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use Symfony\Component\Debug\Exception\ContextErrorException; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Graviton\JsonSchemaBundle\Exception\ValidationException; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Xiag\Rql\Parser\Exception\SyntaxErrorException; |
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use Graviton\ExceptionBundle\Exception\SerializationException; |
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/** |
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* Class JsonExceptionListener |
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* @package Graviton\CoreBundle\Listener |
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*/ |
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class JsonExceptionListener |
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{ |
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/** |
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* @var Logger |
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*/ |
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private $logger; |
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/** |
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* set Logger |
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* |
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* @param Logger $logger logger |
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* |
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* @return void |
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*/ |
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public function setLogger($logger) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* Should not handle Validation Exceptions and only service exceptions |
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* |
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* @param GetResponseForExceptionEvent $event Sf Event |
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* |
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* @return void |
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*/ |
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public function onKernelException(GetResponseForExceptionEvent $event) |
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{ |
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$exception = $event->getException(); |
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// Should return a error 400 bad request |
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if ($exception instanceof ValidationException |
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|| $exception instanceof SyntaxErrorException) { |
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return; |
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} |
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// Some Exceptions have status code and if 400 it should be handled by them |
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if (method_exists($exception, 'getStatusCode') |
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&& (400 == (int)$exception->getStatusCode())) { |
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return; |
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} |
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$data = $this->decorateKnownCases($exception); |
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if (!is_array($data)) { |
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$data = [ |
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'code' => $exception->getCode(), |
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'message' => $exception->getMessage() |
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]; |
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} |
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if ($this->logger instanceof Logger) { |
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$this->logger->critical($exception); |
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} |
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$response = new JsonResponse($data); |
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$event->setResponse($response); |
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} |
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/** |
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* Here we can pick up known cases that can happen and render a more detailed error message for the client. |
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* It may be cumbersome, but it's good to detail error messages then just to let general error messages |
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* generate support issues and work for us. |
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* |
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* @param \Exception $exception exception |
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* |
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* @return array|null either a error message array or null if the general should be displayed |
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*/ |
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private function decorateKnownCases($exception) |
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{ |
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if ( |
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$exception instanceof ContextErrorException && |
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strpos($exception->getMessage(), 'Undefined index: $id') !== false |
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) { |
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return [ |
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'code' => $exception->getCode(), |
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'message' => 'An incomplete internal MongoDB ref has been discovered that can not be rendered. '. |
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'Did you pass a select() RQL statement and shaved off on the wrong level? Try to select a level '. |
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'higher.' |
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]; |
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} elseif ( |
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$exception instanceof SerializationException && |
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strpos($exception->getMessage(), 'Cannot serialize content class') !== false |
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) { |
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$error = $exception->getMessage(); |
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$message = strpos($error, 'not be found.') !== false ? |
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substr($error, 0, strpos($error, 'not be found.')).'not be found.' : $error; |
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preg_match('/\bwith id: (.*);.*?\bdocument\\\(.*)".*?\bidentifier "(.*)"/is', $message, $matches); |
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if (array_key_exists(3, $matches)) { |
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$sentence = 'Internal Database reference error as been discovered. '. |
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'The object id: "%s" has a reference to document: "%s" with id: "%s" that could not be found.'; |
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$message = sprintf($sentence, $matches[1], $matches[2], $matches[3]); |
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} |
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return [ |
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'code' => $exception->getCode(), |
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'message' => $message |
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]; |
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} |
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} |
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} |
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libgraviton /
graviton
