GatewayListener.php

<?php
namespace AnalogFolk\GatewayBundle\EventListener;

use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpFoundation\RedirectResponse;
use AnalogFolk\GatewayBundle\Security\Gateway\Geo;
use AnalogFolk\GatewayBundle\Controller\GatedController;
use AnalogFolk\GatewayBundle\Controller\MainController;

class GatewayListener
{
    public function onKernelRequest(GetResponseEvent $event)
    {
        if ($event->isMasterRequest() === false || $event->getRequest()->getRequestFormat() !== 'html') {
            return;
        }

        if ($event->getRequest()->attributes->get('_route') === 'analog_folk_gateway') return;

        $response = new RedirectResponse('/gateway');
        $event->setResponse($response);
    }
}