mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-18 20:51:23 +01:00
51 lines
1.5 KiB
PHP
51 lines
1.5 KiB
PHP
<?php
|
|
/**
|
|
* EGroupware API: HTTP_REFERER header handling
|
|
*
|
|
* @link http://www.egroupware.org
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
|
|
* @copyright 2001-2016 by RalfBecker@outdoor-training.de
|
|
* @package api
|
|
* @subpackage header
|
|
* @version $Id$
|
|
*/
|
|
|
|
namespace EGroupware\Api\Header;
|
|
|
|
/**
|
|
* Handling of HTTP_REFERER header
|
|
*/
|
|
class Referer
|
|
{
|
|
/**
|
|
* gets an eGW conformant referer from $_SERVER['HTTP_REFERER'], suitable for direct use in the link function
|
|
*
|
|
* @param string $default ='' default to use if referer is not set by webserver or not determinable
|
|
* @param string $referer ='' referer string to use, default ('') use $_SERVER['HTTP_REFERER']
|
|
* @return string
|
|
* @todo get "real" referer for jDots template
|
|
*/
|
|
static function get($default='',$referer='')
|
|
{
|
|
// HTTP_REFERER seems NOT to get urldecoded
|
|
if (!$referer) $referer = urldecode($_SERVER['HTTP_REFERER']);
|
|
|
|
$webserver_url = $GLOBALS['egw_info']['server']['webserver_url'];
|
|
if (empty($webserver_url) || $webserver_url[0] === '/') // url is just a path
|
|
{
|
|
$referer = preg_replace('/^https?:\/\/[^\/]+/','',$referer); // removing the domain part
|
|
}
|
|
if (strlen($webserver_url) > 1)
|
|
{
|
|
list(,$referer) = explode($webserver_url,$referer,2);
|
|
}
|
|
$ret = str_replace('/etemplate/process_exec.php', '/index.php', $referer);
|
|
|
|
if (empty($ret) || strpos($ret, 'cd=yes') !== false) $ret = $default;
|
|
|
|
return $ret;
|
|
}
|
|
}
|
|
UserAgent::_init_static();
|