extfuncs.inc.php

   1 <?php
   2 function check_ua()
   3 {
   4         $uas = array (
   5                 'AOL',
   6                 'MSIE'
   7         );
   8         foreach ($uas as $blocked_ua)
   9                 if (strpos ($_SERVER['HTTP_USER_AGENT'], $blocked_ua) !== false)
  10                         return $blocked_ua;
  11 }
  12
  13 function check_isp()
  14 {
  15         $hostname = gethostbyaddr ($_SERVER['REMOTE_ADDR']);
  16         $isps = file ('include/isp_bans.txt');
  17         foreach ($isps as $blocked_isp)
  18                 if (strpos ($hostname, $blocked_isp) !== false)
  19                         return true;
  20 }
  21
  22 function check_email ($email)
  23 {
  24         $emails = file ('include/email_bans.txt');
  25         foreach ($emails as $blocked_email)
  26                 if (strpos ($email, rtrim ($blocked_email)) !== false)
  27                         return true;
  28 }
  29
  30 function check_ip()
  31 {
  32         $isp = gethostbyaddr ($_SERVER['REMOTE_ADDR']);
  33         if (strpos ($isp, 'ntli.net') || strpos ($isp, 'ntl.com')) // NTL is a retarded ISP
  34                 return false;
  35         $ips = file ('compress.zlib://include/proxylist.txt.gz');
  36         foreach ($ips as $blocked_ip)
  37                 if (strpos ($_SERVER['REMOTE_ADDR'], rtrim ($blocked_ip)) === 0)
  38                         return true;
  39 }
  40 ?>