/**
* @param RequestInterface $request
* @param ResponseInterface $response
*
* @return array
*/
protected function getLogData(RequestInterface $request, ResponseInterface $response = null)
{
$time = $this->stopwatch->stop(self::STOPWATCH_EVENT)->getDuration();
$uagent = $request->getHeader('User-Agent', '-');
$uagent = $uagent[0];
$xcache = $response && $response->hasHeaderWithValue('x-cache', 'HIT') ? 'HIT' : 'MISS';
$postDumpLimit = 200;
$postData = json_encode($request->getPostParams());
if (strlen($postData) > $postDumpLimit) {
$postData = substr($postData, 0, $postDumpLimit) . '...';
}
$data = array();
$data[] = $xcache;
$data[] = bcdiv($time, 1000, 4);
// milliseconds
$data[] = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1';
// @todo ip is always set to 127.0.0.1 due to broken request object
$data[] = $request->getMethod();
$data[] = $request->getUri();
$data[] = $response ? $response->getStatusCode() : '-';
// bytes
$data[] = $response ? $response->getLength() : '-';
// bytes
$data[] = sprintf('"%s"', $uagent);
$data[] = $postData;
return $data;
}
/**
* Returns true if proxy detected a self-request
*
* @param RequestInterface $request
* @param ConfigInterface $config
*
* @return bool
*/
private function isSelfRequest(RequestInterface $request, ConfigInterface $config)
{
$proxyUniqueHeaderName = 'PROXY-ID';
$proxyUniqueHeaderValue = md5($config->getSecret() . $request->getFingerprint());
if ($request->hasHeaderWithValue($proxyUniqueHeaderName, $proxyUniqueHeaderValue)) {
return true;
}
$request->addHeader($proxyUniqueHeaderName, $proxyUniqueHeaderValue);
return false;
}
/**
* Tell if given response with its max age is fresh enough for the client
* that can also request a response of some age
*
* @param RequestInterface $request
* @param ResponseInterface $response
*
* @return bool
*/
protected function isResponseFreshEnoughForTheClient(RequestInterface $request, ResponseInterface $response)
{
$compare = array();
if ($request->getMaxAge() !== null) {
$compare[] = $request->getMaxAge();
}
if ($response->getMaxAge() !== null) {
$compare[] = $response->getMaxAge();
}
if (count($compare) == 0 || ($maxAge = min($compare)) <= 0) {
return false;
}
$expirationDate = $response->getDate()->add(new \DateInterval(sprintf('PT%sS', $maxAge)));
$now = new \DateTime('now', $response->getDate()->getTimezone());
return $expirationDate >= $now;
}
/**
* {@inheritdoc}
*/
public function isAllowed(RequestInterface $request)
{
if (!empty($this->allowedIps)) {
$clientIp = $this->normalize($request->getClientIp());
if (!in_array($clientIp, $this->allowedIps)) {
return false;
}
}
if (!empty($this->allowedDomains)) {
$domain = $this->normalize($request->getHost());
if (!in_array($domain, $this->allowedDomains)) {
return false;
}
}
return true;
}
/**
* @param RequestInterface $request
*
* @return \GuzzleHttp\Message\RequestInterface
*/
protected function createGuzzleRequestFromRequest(RequestInterface $request)
{
$headers = array();
foreach ($request->getHeaders() as $headerName => $headerValue) {
$headers[$headerName] = $headerValue[0];
}
$headers['X-Forwarded-For'] = $request->getClientIp();
$headers['X-Forwarded-Proto'] = $request->getScheme();
if (isset($headers['cookie'])) {
unset($headers['cookie']);
}
// see http://guzzle.readthedocs.org/en/latest/clients.html#request-options
$guzzleRequest = $this->client->createRequest($request->getMethod(), $request->getUri(), array('headers' => $headers, 'body' => $request->getBody(), 'query' => $request->getQueryParams(), 'cookies' => $request->getCookies(), 'exceptions' => false, 'decode_content' => true));
return $guzzleRequest;
}
/**
* {@inheritdoc}
*/
public function delete(RequestInterface $request)
{
$this->doctrineCacheAdapter->delete($request->getFingerprint());
return $this;
}