/** Work out the IP address based on various globals */
function wfGetIP()
{
global $wgSquidServers, $wgSquidServersNoPurge;
global $wgAutoLogin;
/* collect the originating ips */
# Client connecting to this webserver
if ($wgAutoLogin) {
#if (isset($_SERVER['REMOTE_USER'])) {
# $ipchain = array( $_SERVER['REMOTE_USER'] );
#} else {
$host = gethostbyaddr($_SERVER['REMOTE_ADDR']);
list($ip, $domain) = explode(".", $host);
$ipchain = array($ip);
/* $ip is userid or hostname of the logged-in user */
} elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ipchain = array($_SERVER['REMOTE_ADDR']);
} else {
# Running on CLI?
$ipchain = array('127.0.0.1');
}
$ip = $ipchain[0];
# Get list of trusted proxies
# Flipped for quicker access
$trustedProxies = array_flip(array_merge($wgSquidServers, $wgSquidServersNoPurge));
if (count($trustedProxies)) {
# Append XFF on to $ipchain
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$xff = array_map('trim', explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']));
$xff = array_reverse($xff);
$ipchain = array_merge($ipchain, $xff);
}
# Step through XFF list and find the last address in the list which is a trusted server
# Set $ip to the IP address given by that trusted server, unless the address is not sensible (e.g. private)
foreach ($ipchain as $i => $curIP) {
if (array_key_exists($curIP, $trustedProxies)) {
if (isset($ipchain[$i + 1]) && wfIsIPPublic($ipchain[$i + 1])) {
$ip = $ipchain[$i + 1];
}
} else {
break;
}
}
}
return $ip;
}
/** Work out the IP address based on various globals */
function wfGetIP()
{
global $wgSquidServers, $wgSquidServersNoPurge, $wgIP;
# Return cached result
if (!empty($wgIP)) {
return $wgIP;
}
/* collect the originating ips */
# Client connecting to this webserver
if (isset($_SERVER['REMOTE_ADDR'])) {
$ipchain = array($_SERVER['REMOTE_ADDR']);
} else {
# Running on CLI?
$ipchain = array('127.0.0.1');
}
$ip = $ipchain[0];
# Get list of trusted proxies
# Flipped for quicker access
$trustedProxies = array_flip(array_merge($wgSquidServers, $wgSquidServersNoPurge));
if (count($trustedProxies)) {
# Append XFF on to $ipchain
$forwardedFor = wfGetForwardedFor();
if (isset($forwardedFor)) {
$xff = array_map('trim', explode(',', $forwardedFor));
$xff = array_reverse($xff);
$ipchain = array_merge($ipchain, $xff);
}
# Step through XFF list and find the last address in the list which is a trusted server
# Set $ip to the IP address given by that trusted server, unless the address is not sensible (e.g. private)
foreach ($ipchain as $i => $curIP) {
if (array_key_exists($curIP, $trustedProxies)) {
if (isset($ipchain[$i + 1]) && wfIsIPPublic($ipchain[$i + 1])) {
$ip = $ipchain[$i + 1];
}
} else {
break;
}
}
}
wfDebug("IP: {$ip}\n");
$wgIP = $ip;
return $ip;
}
