/**
* @priority MONITOR
* @param ProxyResponseEvent $event
*/
public function onProxyResponse(ProxyResponseEvent $event)
{
$request = $event->getRequest();
$response = $event->getResponse();
$logLine = $this->getLogLine($this->getLogData($request, $response));
$level = LogLevel::INFO;
if (!$response || !$response->isSuccessful()) {
$level = LogLevel::WARNING;
}
$this->logger->log($level, $logLine);
}
/**
* @priority normal
*
* @param ProxyResponseEvent $event
*/
public function onProxyResponse(ProxyResponseEvent $event)
{
if (!$event->isCancelled() && $event->hasResponse()) {
$response = $event->getResponse();
$request = $event->getRequest();
if (!$response->hasHeaderWithValue('X-Cache', 'HIT')) {
$response->addHeader('X-Cache', 'MISS');
$response->addHeader('X-Cache-Hits', 0);
}
$oldVia = $response->getHeader('Via');
$oldVia[] = $event->getProxy()->getConfig()->getProxyName();
$response->setHeader('Via', $oldVia);
if ($this->cacheStrategy->canStoreResponseInCache($response, $event->getRequest())) {
$this->storage->save($request, $response, $response->getTtl());
$event->getLogger()->debug('Response was stored in cache');
}
}
}
/**
* Tag outgoing responses
*
* @priority low
*
* @param ProxyResponseEvent $event
*/
public function onProxyResponse(ProxyResponseEvent $event)
{
if ($event->hasResponse()) {
$fullProxyName = sprintf('%s v.%s', $event->getProxy()->getConfig()->getProxyName(), $event->getProxy()->getConfig()->getProxyVersion());
$event->getLogger()->debug('Signing response with proxy name and version');
$response = $event->getResponse();
$response->addHeader('X-Powered-By', $fullProxyName);
$response->addHeader('X-Served-By', $event->getProxy()->getConfig()->getProxyName());
$response->addHeader('X-Proxy-Version', $event->getProxy()->getConfig()->getProxyVersion());
}
}
