<?php /** * API: loading available images by application and image-name (without extension) * * Usage: * - /egroupware/api/images.php?template=idots * - /egroupware/api/images.php?template=pixelegg&debug=1 gives pretty-printed JSON * * @link www.egroupware.org * @author Ralf Becker <RalfBecker-AT-outdoor-training.de> * @package api * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @version $Id$ */ use EGroupware\Api; // switch evtl. set output-compression off, as we cant calculate a Content-Length header with transparent compression ini_set('zlib.output_compression', 0); $GLOBALS['egw_info'] = array( 'flags' => array( 'currentapp' => 'api', 'noheader' => true, 'nocachecontrol' => true, ) ); include '../header.inc.php'; // release session, as we dont need it and it blocks parallel requests $GLOBALS['egw']->session->commit_session(); $content = json_encode(Api\Image::map(preg_match('/^[a-z0-9_-]+$/i',$_GET['template']) ? $_GET['template'] : null), JSON_FORCE_OBJECT | // export empty php-arrays as empty objects, not empty arrays JSON_UNESCAPED_SLASHES | // do not escape slashes, smaller and better readable (!empty($_GET['debug']) ? JSON_PRETTY_PRINT : 0)); // use an etag over the image mapp $etag = '"'.md5($content).'"'; // headers to allow caching, egw_framework specifies etag on url to force reload, even with Expires header Api\Session::cache_control(86400); // cache for one day Header('Content-Type: '.(empty($_GET['debug'])?'text/javascript':'application/json').'; charset=utf-8'); Header('ETag: '.$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'] == $etag) { header("HTTP/1.1 304 Not Modified"); exit; } if (empty($_GET['debug'])) $content = "\n\negw.set_images(".$content.", egw && egw.window !== window);\n"; // we run our own gzip compression, to set a correct Content-Length of the encoded content if (in_array('gzip', explode(',',$_SERVER['HTTP_ACCEPT_ENCODING'])) && function_exists('gzencode')) { $content = gzencode($content); header('Content-Encoding: gzip'); } // Content-Lenght header is important, otherwise browsers dont cache! Header('Content-Length: '.bytes($content)); echo $content;