<?php
/*
* This file is part of the FOSRestBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\RestBundle\EventListener;
use FOS\RestBundle\FOSRestBundle;
use Psr\Log\LoggerInterface;
use Symfony\Component\Debug\Exception\FlattenException as LegacyFlattenException;
use Symfony\Component\ErrorHandler\Exception\FlattenException;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ControllerArgumentsEvent;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\EventListener\ExceptionListener as LegacyExceptionListener;
use Symfony\Component\HttpKernel\EventListener\ErrorListener;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* ExceptionListener.
*
* @author Ener-Getick <egetick@gmail.com>
*
* @internal
*/
class ExceptionListener implements EventSubscriberInterface
{
private $exceptionListener;
private $dispatcher;
public function __construct($controller, ?LoggerInterface $logger, EventDispatcherInterface $dispatcher)
{
if (class_exists(ErrorListener::class)) {
$this->exceptionListener = new ErrorListener($controller, $logger);
} else {
$this->exceptionListener = new LegacyExceptionListener($controller, $logger);
}
$this->dispatcher = $dispatcher;
}
/**
* @param ExceptionEvent $event
*/
public function onKernelException($event)
{
$request = $event->getRequest();
if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {
return;
}
if (method_exists($event, 'getThrowable')) {
$exception = $event->getThrowable();
} else {
$exception = $event->getException();
}
$controllerArgsListener = function ($event) use (&$controllerArgsListener, $exception) {
/** @var ControllerArgumentsEvent $event */
$arguments = $event->getArguments();
foreach ($arguments as $k => $argument) {
if ($argument instanceof FlattenException || $argument instanceof LegacyFlattenException) {
$arguments[$k] = $exception;
$event->setArguments($arguments);
break;
}
}
$this->dispatcher->removeListener(KernelEvents::CONTROLLER_ARGUMENTS, $controllerArgsListener);
};
$this->dispatcher->addListener(KernelEvents::CONTROLLER_ARGUMENTS, $controllerArgsListener, -100);
$this->exceptionListener->onKernelException($event);
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents()
{
return array(
KernelEvents::EXCEPTION => array('onKernelException', -100),
);
}
}