1<?php 2/** 3 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 4 * @author Andreas Gohr <gohr@cosmocode.de> 5 */ 6 7if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../../'); 8define('NOSESSION',true); 9require_once(DOKU_INC.'inc/init.php'); 10require_once(DOKU_INC.'inc/pageutils.php'); 11require_once(DOKU_INC.'inc/httputils.php'); 12require_once(DOKU_INC.'inc/io.php'); 13 14// let the plugin do the work 15$data = $_REQUEST; 16$plugin = plugin_load('syntax','graphviz'); 17$cache = $plugin->_imgfile($data); 18 19 20// something went wrong, we're missing the file 21if(!file_exists($cache)){ 22 header("HTTP/1.0 404 Not Found"); 23 header('Content-Type: image/png'); 24 echo io_readFile('broken.png',false); 25 exit; 26} 27 28header('Content-Type: image/png;'); 29header('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT'); 30header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600)); 31header('Pragma: public'); 32http_conditionalRequest($time); 33echo io_readFile($cache,false); 34 35//Setup VIM: ex: et ts=4 enc=utf-8 : 36