public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
$filterChain->handle($request, $response, $filterChain);
if (!$response->hasHeader('Content-MD5')) {
$response->setHeader('Content-MD5', md5(Util::toString($response->getBody())));
}
}
protected function fill()
{
if (!$this->isFilled) {
$this->data = Util::toString($this->source);
$this->isFilled = true;
}
}
protected function getBodyAsString(RequestInterface $request)
{
$body = Util::toString($request->getBody());
if (empty($body)) {
$body = null;
}
return $body;
}
public function onResponseSend(ResponseSendEvent $event)
{
$code = $event->getResponse()->getStatusCode();
$code = isset(Http::$codes[$code]) ? $code : 200;
$this->logger->info('Send response ' . $code);
if ($this->debug) {
$body = Util::toString($event->getResponse()->getBody());
if (!empty($body)) {
$this->logger->debug($body);
}
}
}
public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
$key = $this->getCacheKey($request);
if (!empty($key)) {
$item = $this->cache->getItem($key);
if ($item->isHit()) {
// serve cache response
$resp = $item->get();
$response->setHeaders($resp['headers']);
$response->getBody()->write($resp['body']);
} else {
$filterChain->handle($request, $response);
// save response
$resp = array('headers' => $this->getCacheHeaders($response), 'body' => Util::toString($response->getBody()));
$item->set($resp, $this->ttl);
$this->cache->save($item);
}
} else {
// if we have no key we can not use a cache
$filterChain->handle($request, $response);
}
}