/**
* @return FirewallInterface
*/
public function getFirewall()
{
if (!$this->firewall) {
$this->firewall = new DefaultFirewall();
$this->firewall->setLogger($this->getLogger());
}
return $this->firewall;
}
/**
* Filter and mark incoming requests
*
* @priority high
*
* @param ProxyRequestEvent $event
*/
public function onProxyRequest(ProxyRequestEvent $event)
{
if (!$event->isCancelled() && !$event->hasResponse()) {
$response = null;
$request = $event->getRequest();
$config = $event->getProxy()->getConfig();
if ($this->isSelfRequest($request, $config)) {
$event->setIsCancelled();
$event->getLogger()->warning(sprintf('Proxy server made a call to itself that cannot be handled, request will be cancelled'));
} elseif (in_array($request->getHost(), $config->getHostsOnPort($request->getPort()))) {
// display proxy welcome page as it is a direct hit
$response = new Response($this->getResource('home.html', $event->getProxy()), 200);
} elseif (!$this->firewall->isAllowed($request)) {
$event->setIsCancelled();
$event->getLogger()->debug(sprintf('Request was cancelled as it was not allowed by a firewall'));
}
if ($response) {
$event->setResponse($response);
}
}
}