/**
* Return the IIS request ur assigned if available.
* @return string|null the request uri or null on unavailable
*/
private function getIisRequestUri()
{
if ($this->header->contains("X-Original-Url")) {
return $this->header->getField("X-Original-Url")->getValue();
}
if ($this->header->contains("X-Rewrite-Url")) {
return $this->header->getField("X-Rewrite-Url")->getValue();
}
return null;
}
/**
* Return the forwarded client ip.
* @return null|string
*/
private function getForwardedClientIp()
{
$clientIp = null;
if ($this->httpHeader->contains("X-Forwarded-For") && ($forwardedIps = $this->httpHeader->getField("X-Forwarded-For")->getValue())) {
$forwardedIps = array_filter(preg_split("/[\\s]*,[\\s]*/", $forwardedIps), function ($ipToValidate) {
return filter_var($ipToValidate, FILTER_VALIDATE_IP);
});
if (!empty($forwardedIps)) {
$clientIp = array_shift($forwardedIps);
}
}
return $clientIp;
}
