public static function checkMaintenanceMode()
{
// Allow ajax update script to execute without being stopped
if (\OC::$server->getSystemConfig()->getValue('maintenance', false) && OC::$SUBURI != '/core/ajax/update.php') {
// send http status 503
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 120');
// render error page
$template = new OC_Template('', 'update.user', 'guest');
OC_Util::addscript('maintenance-check');
$template->printPage();
die;
}
}
public static function checkUpgrade($showTemplate = true)
{
if (OC_Config::getValue('installed', false)) {
$installedVersion = OC_Config::getValue('version', '0.0.0');
$currentVersion = implode('.', OC_Util::getVersion());
if (version_compare($currentVersion, $installedVersion, '>')) {
if ($showTemplate && !OC_Config::getValue('maintenance', false)) {
OC_Config::setValue('theme', '');
$minimizerCSS = new OC_Minimizer_CSS();
$minimizerCSS->clearCache();
$minimizerJS = new OC_Minimizer_JS();
$minimizerJS->clearCache();
OC_Util::addscript('update');
$tmpl = new OC_Template('', 'update', 'guest');
$tmpl->assign('version', OC_Util::getVersionString());
$tmpl->printPage();
exit;
} else {
return true;
}
}
return false;
}
}