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<?php
namespace App\Monolog;
use Monolog\Processor\ProcessorInterface;
use Symfony\Component\HttpFoundation\RequestStack;
class RequestProcessor implements ProcessorInterface {
private ?string $userAgent = null;
private ?string $url = null;
private ?string $referer = null;
public function __construct(private RequestStack $requestStack)
{
}
/**
* @inheritDoc
*/
public function __invoke(array $records): array {
$records['extra']['useragent'] = $this->getUserAgent();
$records['extra']['url'] = $this->getUrl();
$records['extra']['referer'] = $this->getXhrBaseUrl();
return $records;
private function getUserAgent(): ?string {
if($this->userAgent === null && $this->requestStack->getMainRequest() !== null) {
$this->userAgent = $this->requestStack->getMainRequest()->headers->get('User-Agent');
return $this->userAgent;
private function getUrl(): ?string {
if($this->url === null && $this->requestStack->getMainRequest() !== null) {
$this->url = $this->requestStack->getMainRequest()->getRequestUri();
return $this->url;
private function getXhrBaseUrl(): ?string {
if($this->referer === null && $this->requestStack->getMainRequest() !== null) {
$this->referer = $this->requestStack->getMainRequest()->headers->get('Referer');
// Check if referer is from same host
if(!empty($this->referer)) {
$host = parse_url($this->referer, PHP_URL_HOST);
if($host !== $this->requestStack->getMainRequest()->getHost()) {
$this->referer = null;
return $this->referer;
SchulIT /
idp
