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Modify handling of reverse proxies

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e107steved 2010-10-21 18:03:23 +00:00
parent 97eecaad36
commit 1ce87f76b0
1 changed files with 14 additions and 20 deletions
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34
e107_handlers/e107_class.php
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@ -2358,29 +2358,23 @@ class e107
{
if(!$this->_ip_cache)
{
if(getenv('HTTP_X_FORWARDED_FOR'))
$ip=$_SERVER['REMOTE_ADDR'];
if (getenv('HTTP_X_FORWARDED_FOR'))
{
$ip = $_SERVER['REMOTE_ADDR'];
$ip3 = array();
if(preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/', getenv('HTTP_X_FORWARDED_FOR'), $ip3))
if (preg_match("/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/", getenv('HTTP_X_FORWARDED_FOR'), $ip3))
{
$ip2 = array(
'#^0\..*#' , '#^127\..*#' , // Local loopbacks
'#^192\.168\..*#' , // RFC1918 - Private Network
'#^172\.(?:1[6789]|2\d|3[01])\..*#' , // RFC1918 - Private network
'#^10\..*#' , // RFC1918 - Private Network
'#^169\.254\..*#' , // RFC3330 - Link-local, auto-DHCP
'#^2(?:2[456789]|[345][0-9])\..*#'
); // Single check for Class D and Class E
$ip = preg_replace($ip2, $ip, $ip3[1]);
$ip2 = array('#^0\..*#',
'#^127\..*#', // Local loopbacks
'#^192\.168\..*#', // RFC1918 - Private Network
'#^172\.(?:1[6789]|2\d|3[01])\..*#', // RFC1918 - Private network
'#^10\..*#', // RFC1918 - Private Network
'#^169\.254\..*#', // RFC3330 - Link-local, auto-DHCP
'#^2(?:2[456789]|[345][0-9])\..*#' // Single check for Class D and Class E
);
$ip = preg_replace($ip2, $ip3[1], $ip);
}
}
else
{
$ip = $_SERVER['REMOTE_ADDR'];
}
if($ip == "")
}
if ($ip == "")
{
$ip = "x.x.x.x";
}