Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Core/EventSubscriber/ExceptionDetectNeedsInstallSubscriber.php @ 12:7a779792577d
Update Drupal core to v8.4.5 (via Composer)
author | Chris Cannam |
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date | Fri, 23 Feb 2018 15:52:07 +0000 |
parents | 4c8ae668cc8c |
children |
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<?php namespace Drupal\Core\EventSubscriber; use Drupal\Core\Database\Connection; use Drupal\Core\Installer\InstallerRedirectTrait; use Symfony\Component\EventDispatcher\EventSubscriberInterface; use Symfony\Component\HttpFoundation\RedirectResponse; use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; use Symfony\Component\HttpKernel\KernelEvents; /** * Exception handler to determine if an exception indicates an uninstalled site. */ class ExceptionDetectNeedsInstallSubscriber implements EventSubscriberInterface { use InstallerRedirectTrait; /** * The default database connection. * * @var \Drupal\Core\Database\Connection */ protected $connection; /** * Constructs a new ExceptionDetectNeedsInstallSubscriber. * * @param \Drupal\Core\Database\Connection $connection * The default database connection. */ public function __construct(Connection $connection) { $this->connection = $connection; } /** * Handles errors for this subscriber. * * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event * The event to process. */ public function onException(GetResponseForExceptionEvent $event) { $exception = $event->getException(); if ($this->shouldRedirectToInstaller($exception, $this->connection)) { // Only redirect if this is an HTML response (i.e., a user trying to view // the site in a web browser before installing it). $request = $event->getRequest(); $format = $request->query->get(MainContentViewSubscriber::WRAPPER_FORMAT, $request->getRequestFormat()); if ($format == 'html') { $event->setResponse(new RedirectResponse($request->getBasePath() . '/core/install.php', 302, ['Cache-Control' => 'no-cache'])); } } } /** * Registers the methods in this class that should be listeners. * * @return array * An array of event listener definitions. */ public static function getSubscribedEvents() { $events[KernelEvents::EXCEPTION][] = ['onException', 100]; return $events; } }