Topic: [Updated 19/Jul/2016] Faucet Owners Against Scammers and Bots - page 5. (Read 36692 times)

$bannedHosts = array('example-host.com', 'example-host-2.net');
//See [1]
$userIP = $_SERVER['REMOTE_ADDR'];
//See [2]

//Get the NastyHosts response
$nastyHostsResponse = json_decode(file_get_contents('http://v1.nastyhosts.com/' . $userIP));

//Now check if the hostname is in the array
foreach($bannedHosts as $host){
     if(strpos($nastyHostsResponse, $host) !== false){
           //Something has been found
           die('Banned Hostname.');
     }
}
?>

function checkHostname($username, $db) {
        $allow = true;
        $lines = file('/var/scripts/listOfHosts.txt'); 
        $ip = get_ip();

        $match = LookupIP($ip);
        foreach ($lines as $line) { 
            if (strpos($match, $msg = preg_replace("#[\r\n]#", '', $line)) > -1) {
                return false;
            }
        }

        return $allow;
    }

function LookupIP($ip) {
	$whoisservers = array(
		//"whois.afrinic.net", // Africa - returns timeout error :-(
		"whois.lacnic.net", // Latin America and Caribbean - returns data for ALL locations worldwide :-)
		"whois.arin.net"
	);
	$results = array();
	foreach($whoisservers as $whoisserver) {
		$result = QueryWhoisServer($whoisserver, $ip);
		if($result && !in_array($result, $results)) {
			$results[$whoisserver] = $result;
		}
	}
	$res = "\n--------START--------\n";
	foreach($results as $whoisserver=>$result) {
		$res .= "\n\n-------------\nLookup results for " . $ip . " from " . $whoisserver . " server:\n\n" . $result;
	}
	return $res;
}