public function testGenerateHash()
{
$hashGenerator = new HashGenerator(array(new FooProvider()));
$expectedHash = hash('sha256', serialize(array('foo' => 'bar')));
$this->assertEquals($expectedHash, $hashGenerator->generateHash());
}
/**
* Return the response to the context hash request with a header containing
* the generated hash.
*
* If the ttl is bigger than 0, cache headers will be set for this response.
*
* @param GetResponseEvent $event
*/
public function onKernelRequest(GetResponseEvent $event)
{
if ($event->getRequestType() != HttpKernelInterface::MASTER_REQUEST) {
return;
}
if (!$this->requestMatcher->matches($event->getRequest())) {
return;
}
$hash = $this->hashGenerator->generateHash();
// status needs to be 200 as otherwise varnish will not cache the response.
$response = new Response('', 200, array(
$this->hashHeader => $hash,
'Content-Type' => 'application/vnd.fos.user-context-hash'
));
if ($this->ttl > 0) {
$response->setClientTtl($this->ttl);
$response->setVary($this->userIdentifierHeaders);
$response->setPublic();
} else {
$response->setClientTtl(0);
$response->headers->addCacheControlDirective('no-cache');
}
$event->setResponse($response);
}