Contao\CoreBundle\EventListener\StoreRefererListener::onKernelResponse PHP Метод

    public function onKernelResponse(FilterResponseEvent $event)
    {
        if (!$this->isContaoMasterRequest($event)) {
            return;
        }
        $token = $this->tokenStorage->getToken();
        if (null === $token || $this->authenticationTrustResolver->isAnonymous($token)) {
            return;
        }
        $request = $event->getRequest();
        if ($this->isBackendScope()) {
            $this->storeBackendReferer($request);
        } else {
            $this->storeFrontendReferer($request);
        }
    }