$xssHeaderValue = '1; mode=block'; } else { $xssHeaderValue = '0'; } header('X-XSS-Protection: ' . $xssHeaderValue); $status = new \Magento\Update\Status(); $isUpdateInProgress = $status->isUpdateInProgress(); $statusMessage = ''; $statusMessage .= $status->get(); $statusMessage = str_replace("\n", "<br />", $statusMessage); $queue = new \Magento\Update\Queue(); $pending = !$status->isUpdateInProgress() && !$queue->isEmpty() && !$status->isUpdateError(); if (isset($_SERVER['PATH_INFO']) && !empty($_SERVER['PATH_INFO'])) { if ($_SERVER['PATH_INFO'] === '/rollback' && file_exists(MAGENTO_BP . '/var/.update_error.flag')) { try { $queue->clear(); $backupInfo = new \Magento\Update\Backup\BackupInfo(); $backupPaths = $backupInfo->getBackupFilePaths(); if (isset($backupPaths['error'])) { $status->add('WARNING: There is a problem with backup files! Performing rollback from these' . ' files may cause the Magento application to be unstable', \Psr\Log\LogLevel::WARNING); foreach ($backupPaths['error'] as $error) { $status->add($error, \Psr\Log\LogLevel::WARNING); } unset($backupPaths['error']); } foreach (array_values($backupPaths) as $backupPath) { $queue->addJobs(['jobs' => ['name' => $backupPath['type'], 'params' => ['backup_file_name' => $backupPath['filename']]]]); } $status->setUpdateError(false); } catch (\Exception $e) { $status->setUpdateError(true);