egroupware/phpgwapi/images.php

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<?php
/**
* API: loading available images by application and image-name (without extension)
*
* Usage: /egroupware/phpgwapi/images.php?template=idots
*
* @link www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @package phpgwapi
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
$GLOBALS['egw_info'] = array(
'flags' => array(
'currentapp' => 'home',
'noheader' => true,
'nocachecontrol' => true,
)
);
include '../header.inc.php';
$image_map = common::image_map(preg_match('/^[a-z0-9_-]+$/i',$_GET['template']) ? $_GET['template'] : null);
// use an etag over the image mapp
$etag = '"'.md5(serialize($image_map)).'"';
// headers to allow caching
Header('Content-Type: text/javascript; charset=utf-8');
Header('Cache-Control: public, no-transform');
Header('Pragma: cache');
Header('ETag: '.$etag);
// if servers send a If-None-Match header, response with 304 Not Modified, if etag matches
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag)
{
header("HTTP/1.1 304 Not Modified");
common::egw_exit();
}
echo 'egw.set_images('.json_encode($image_map).");\n";
// Content-Lenght header is important, otherwise browsers dont cache!
Header('Content-Length: '.ob_get_length());