| Path : /var/www/html/ob-wp-eski/core/ |
|
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| Current File : /var/www/html/ob-wp-eski/core/ProxyHeaders.php |
<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik;
/**
* Proxy headers
*
*/
class ProxyHeaders
{
/**
* Get protocol information, with the exception of HTTPS
*
* @return string protocol information
*/
public static function getProtocolInformation()
{
if (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == 443) {
return 'SERVER_PORT=443';
}
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https') {
return 'X-Forwarded-Proto';
}
if (isset($_SERVER['HTTP_X_FORWARDED_SCHEME']) && strtolower($_SERVER['HTTP_X_FORWARDED_SCHEME']) == 'https') {
return 'X-Forwarded-Scheme';
}
if (isset($_SERVER['HTTP_X_URL_SCHEME']) && strtolower($_SERVER['HTTP_X_URL_SCHEME']) == 'https') {
return 'X-Url-Scheme';
}
return null;
}
/**
* Get headers present in the HTTP request
*
* @param array $recognizedHeaders
* @return array HTTP headers
*/
private static function getHeaders($recognizedHeaders)
{
$headers = array();
foreach ($recognizedHeaders as $header) {
if (isset($_SERVER[$header])) {
$headers[] = $header;
}
}
return $headers;
}
/**
* Detect proxy client headers
*
* @return array Proxy client HTTP headers
*/
public static function getProxyClientHeaders()
{
return self::getHeaders(array(
'HTTP_CF_CONNECTING_IP',
'HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
));
}
/**
* Detect proxy host headers
*
* @return array Proxy host HTTP headers
*/
public static function getProxyHostHeaders()
{
return self::getHeaders(array(
'HTTP_X_FORWARDED_HOST',
));
}
}