1517bd836SAndreas Gohr<?php 2517bd836SAndreas Gohr/** 3517bd836SAndreas Gohr * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 4*fb9a529dSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 5517bd836SAndreas Gohr */ 6517bd836SAndreas Gohr 7517bd836SAndreas Gohrif(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../../'); 8517bd836SAndreas Gohrdefine('NOSESSION',true); 9517bd836SAndreas Gohrrequire_once(DOKU_INC.'inc/init.php'); 10517bd836SAndreas Gohr 11*fb9a529dSAndreas Gohr// let the syntax plugin do the work 12517bd836SAndreas Gohr$data = $_REQUEST; 13517bd836SAndreas Gohr$plugin = plugin_load('syntax','graphviz'); 149d954370SAndreas Gohr$cache = $plugin->_imgfile($data); 15*fb9a529dSAndreas Gohrif(!$cache) _fail(); 16517bd836SAndreas Gohr 17517bd836SAndreas Gohrheader('Content-Type: image/png;'); 18517bd836SAndreas Gohrheader('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT'); 19517bd836SAndreas Gohrheader('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600)); 20517bd836SAndreas Gohrheader('Pragma: public'); 21517bd836SAndreas Gohrhttp_conditionalRequest($time); 22517bd836SAndreas Gohrecho io_readFile($cache,false); 23517bd836SAndreas Gohr 24*fb9a529dSAndreas Gohr 25*fb9a529dSAndreas Gohrfunction _fail(){ 26*fb9a529dSAndreas Gohr header("HTTP/1.0 404 Not Found"); 27*fb9a529dSAndreas Gohr header('Content-Type: image/png'); 28*fb9a529dSAndreas Gohr echo io_readFile('broken.png',false); 29*fb9a529dSAndreas Gohr exit; 30*fb9a529dSAndreas Gohr} 31*fb9a529dSAndreas Gohr 32517bd836SAndreas Gohr//Setup VIM: ex: et ts=4 enc=utf-8 : 33