Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Rebuilds all Drupal caches even when Drupal itself does not work.
Chris@0:  *
Chris@0:  * Needs a token query argument which can be calculated using the
Chris@0:  * scripts/rebuild_token_calculator.sh script.
Chris@0:  *
Chris@0:  * @see drupal_rebuild()
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Component\Utility\Crypt;
Chris@0: use Drupal\Core\DrupalKernel;
Chris@0: use Drupal\Core\Site\Settings;
Chris@0: use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: 
Chris@0: // Change the directory to the Drupal root.
Chris@0: chdir('..');
Chris@0: 
Chris@0: $autoloader = require_once __DIR__ . '/../autoload.php';
Chris@0: require_once __DIR__ . '/includes/utility.inc';
Chris@0: 
Chris@0: $request = Request::createFromGlobals();
Chris@0: // Manually resemble early bootstrap of DrupalKernel::boot().
Chris@0: require_once __DIR__ . '/includes/bootstrap.inc';
Chris@0: DrupalKernel::bootEnvironment();
Chris@0: 
Chris@0: try {
Chris@0:   Settings::initialize(dirname(__DIR__), DrupalKernel::findSitePath($request), $autoloader);
Chris@0: }
Chris@0: catch (HttpExceptionInterface $e) {
Chris@0:   $response = new Response('', $e->getStatusCode());
Chris@0:   $response->prepare($request)->send();
Chris@0:   exit;
Chris@0: }
Chris@0: 
Chris@0: if (Settings::get('rebuild_access', FALSE) ||
Chris@0:   ($request->query->get('token') && $request->query->get('timestamp') &&
Chris@0:     ((REQUEST_TIME - $request->query->get('timestamp')) < 300) &&
Chris@0:     Crypt::hashEquals(Crypt::hmacBase64($request->query->get('timestamp'), Settings::get('hash_salt')), $request->query->get('token'))
Chris@0:   )) {
Chris@0:   // Clear user cache for all major platforms.
Chris@0:   $user_caches = [
Chris@0:     'apcu_clear_cache',
Chris@0:     'wincache_ucache_clear',
Chris@0:     'xcache_clear_cache',
Chris@0:   ];
Chris@0:   array_map('call_user_func', array_filter($user_caches, 'is_callable'));
Chris@0: 
Chris@0:   drupal_rebuild($autoloader, $request);
Chris@17:   \Drupal::messenger()->addStatus('Cache rebuild complete.');
Chris@0: }
Chris@0: $base_path = dirname(dirname($request->getBaseUrl()));
Chris@18: header('Location: ' . $request->getSchemeAndHttpHost() . $base_path);