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- <?php
- namespace Drupal\Core\EventSubscriber;
- use Drupal\Core\Logger\LoggerChannelFactoryInterface;
- use Drupal\Core\Utility\Error;
- use Symfony\Component\EventDispatcher\EventSubscriberInterface;
- use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
- use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
- use Symfony\Component\HttpKernel\KernelEvents;
- /**
- * Log exceptions without further handling.
- */
- class ExceptionLoggingSubscriber implements EventSubscriberInterface {
- /**
- * The logger channel factory.
- *
- * @var \Drupal\Core\Logger\LoggerChannelFactoryInterface
- */
- protected $logger;
- /**
- * Constructs a new ExceptionLoggingSubscriber.
- *
- * @param \Drupal\Core\Logger\LoggerChannelFactoryInterface $logger
- * The logger channel factory.
- */
- public function __construct(LoggerChannelFactoryInterface $logger) {
- $this->logger = $logger;
- }
- /**
- * Log 403 errors.
- *
- * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
- * The event to process.
- */
- public function on403(GetResponseForExceptionEvent $event) {
- $request = $event->getRequest();
- $this->logger->get('access denied')->warning('@uri', ['@uri' => $request->getRequestUri()]);
- }
- /**
- * Log 404 errors.
- *
- * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
- * The event to process.
- */
- public function on404(GetResponseForExceptionEvent $event) {
- $request = $event->getRequest();
- $this->logger->get('page not found')->warning('@uri', ['@uri' => $request->getRequestUri()]);
- }
- /**
- * Log not-otherwise-specified errors, including HTTP 500.
- *
- * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
- * The event to process.
- */
- public function onError(GetResponseForExceptionEvent $event) {
- $exception = $event->getException();
- $error = Error::decodeException($exception);
- $this->logger->get('php')->log($error['severity_level'], '%type: @message in %function (line %line of %file).', $error);
- $is_critical = !$exception instanceof HttpExceptionInterface || $exception->getStatusCode() >= 500;
- if ($is_critical) {
- error_log(sprintf('Uncaught PHP Exception %s: "%s" at %s line %s', get_class($exception), $exception->getMessage(), $exception->getFile(), $exception->getLine()));
- }
- }
- /**
- * Log all exceptions.
- *
- * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
- * The event to process.
- */
- public function onException(GetResponseForExceptionEvent $event) {
- $exception = $event->getException();
- $method = 'onError';
- // Treat any non-HTTP exception as if it were one, so we log it the same.
- if ($exception instanceof HttpExceptionInterface) {
- $possible_method = 'on' . $exception->getStatusCode();
- if (method_exists($this, $possible_method)) {
- $method = $possible_method;
- }
- }
- $this->$method($event);
- }
- /**
- * {@inheritdoc}
- */
- public static function getSubscribedEvents() {
- $events[KernelEvents::EXCEPTION][] = ['onException', 50];
- return $events;
- }
- }
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