public function onKernelResponse(FilterResponseEvent $event)
{
if (!$this->enabled) {
return;
}
$isNoindex = $this->xRobotsTag->isNoindex();
$isNofollow = $this->xRobotsTag->isNofollow();
if (!$this->xRobotsTag->isExplicitlySet()) {
$requiredUserRoles = $this->getRequiredUserRolesForRequest($event->getRequest());
foreach ($requiredUserRoles as $requiredUserRole) {
if ($this->xRobotsTag->isNoindexForUserRole($requiredUserRole) || $this->xRobotsTag->isNofollowForUserRole($requiredUserRole)) {
$isNoindex = $this->xRobotsTag->isNoindexForUserRole($requiredUserRole);
$isNofollow = $this->xRobotsTag->isNofollowForUserRole($requiredUserRole);
break;
}
}
}
$tags = [];
if ($isNoindex) {
$tags[] = 'noindex';
}
if ($isNofollow) {
$tags[] = 'nofollow';
}
if (count($tags)) {
$event->getResponse()->headers->set('X-Robots-Tag', implode(',', $tags));
}
}
