<?php

$bad_ips = array('23.103.144.', '23.103.149.', '23.103.155.', '69.167.');
$bad_uas = array('Wget', 'python', 'Python', 'Go-http-client', 'Twisted', "'", "{", 'Microsoft', 'Java');
$bad_ccs = array('CN');

function BlockByIp($ip)
{
    global $bad_ips;
    foreach ($bad_ips as $bip)
    {
        if (strpos($ip, $bip) === 0) die();
    }
    return;
}

function BlockByUserAgent($ua)
{
    global $bad_uas;
    foreach ($bad_uas as $bua)
    {
        if (strpos($ua, $bua) === 0) die();
    }
    return;
}

function BlockByCountryCode($cc)
{
    global $bad_ccs;
    foreach ($bad_ccs as $cci)
    {
        if (strpos($cc, $cci) === 0) die();
    }
    return;
}

function GetIp()
{
    if (isset($_SERVER['X_FORWARDED_FOR']))
    {
        $ip = $_SERVER['X_FORWARDED_FOR'];
    } else {
        $ip = $_SERVER['REMOTE_ADDR'];
    }
    return $ip;
}

function GetUserAgent()
{
    return $_SERVER['HTTP_USER_AGENT'];
}

?>