/**
* Check whether the site is behind the Sucuri CloudProxy network.
*
* @param boolean $verbose Return an array with the hostname, address, and status, or not.
* @return boolean Either TRUE or FALSE if the site is behind CloudProxy.
*/
public static function is_behind_cloudproxy($verbose = false)
{
$http_host = self::get_top_level_domain();
if (self::execute_dns_lookups()) {
$host_by_addr = @gethostbyname($http_host);
$host_by_name = @gethostbyaddr($host_by_addr);
$status = (bool) preg_match('/^cloudproxy[0-9]+\\.sucuri\\.net$/', $host_by_name);
} else {
$status = false;
$host_by_addr = '::1';
$host_by_name = 'localhost';
}
/*
* If the DNS reversion failed but the CloudProxy API key is set, then consider
* the site as protected by a firewall. A fake key can be used to bypass the DNS
* checking, but that is not something that will affect us, only the client.
*/
if ($status === false && SucuriScanAPI::get_cloudproxy_key()) {
$status = true;
}
if ($verbose) {
return array('http_host' => $http_host, 'host_name' => $host_by_name, 'host_addr' => $host_by_addr, 'status' => $status);
}
return $status;
}
