$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);
