protected function prepareRequestUri()
{
$requestUri = '';
if ($this->headers->has('X_REWRITE_URL')) {
// check this first so IIS will catch
$requestUri = $this->headers->get('X_REWRITE_URL');
} elseif ($this->server->get('IIS_WasUrlRewritten') == '1' && $this->server->get('UNENCODED_URL') != '') {
// IIS7 with URL Rewrite: make sure we get the unencoded url (double slash problem)
$requestUri = $this->server->get('UNENCODED_URL');
} elseif ($this->server->has('REQUEST_URI')) {
$requestUri = $this->server->get('REQUEST_URI');
// HTTP proxy reqs setup request uri with scheme and host [and port] + the url path, only use url path
$schemeAndHttpHost = $this->getScheme() . '://' . $this->getHttpHost();
if (strpos($requestUri, $schemeAndHttpHost) === 0) {
$requestUri = substr($requestUri, strlen($schemeAndHttpHost));
}
} elseif ($this->server->has('ORIG_PATH_INFO')) {
// IIS 5.0, PHP as CGI
$requestUri = $this->server->get('ORIG_PATH_INFO');
if ($this->server->get('QUERY_STRING')) {
$requestUri .= '?' . $this->server->get('QUERY_STRING');
}
}
return $requestUri;
}
/**
* Returns true if the response includes headers that can be used to validate
* the response with the origin server using a conditional GET request.
*
* @return Boolean true if the response is validateable, false otherwise
*/
public function isValidateable()
{
return $this->headers->has('Last-Modified') || $this->headers->has('ETag');
}