1<?php 2/** 3 * Siteexport SendFile Plugin 4 * 5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6 * @author i-net software <tools@inetsoftware.de> 7 * @author Gerry Weissbach <gweissbach@inetsoftware.de> 8 */ 9 10// must be run within Dokuwiki 11if(!defined('DOKU_INC')) die(); 12if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 13 14require_once(DOKU_PLUGIN.'action.php'); 15 16class action_plugin_ditaa extends DokuWiki_Action_Plugin { 17 18 public function register(Doku_Event_Handler $controller) { 19 // Download of a file 20 21 $controller->register_hook('MEDIA_SENDFILE', 'BEFORE', $this, 'ditaa_sendfile'); 22 $controller->register_hook('FETCH_MEDIA_STATUS', 'BEFORE', $this, 'ditaa_sendfile_not_found'); 23 } 24 25 /* 26 * Redirect File to real File 27 */ 28 function ditaa_sendfile(&$event, $args) { 29 global $conf; 30 31 if ( empty( $_REQUEST['ditaa'] ) ) { 32 return; 33 } 34 35 $plugin = plugin_load( 'syntax', 'ditaa' ); 36 $data = p_get_metadata( $event->data['media'], 'ditaa' ); 37 $event->data['file'] = $plugin->_imgfile($event->data['media'], $data[$_REQUEST['ditaa']]); 38 $event->data['mime'] = 'image/png'; 39 40 if( !$event->data['file'] ) { 41 $event->data['file'] = dirname(__FILE__) . '/broken.png'; 42 $event->data['status'] = 404; 43 $event->data['statusmessage'] = 'Not Found'; 44 } 45 46 header('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT'); 47 header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600)); 48 header('Pragma: public'); 49 } 50 51 /* 52 * If a file has not been found yet, we should try to check if this can be solved 53 * via the ditaa renderer 54 */ 55 function ditaa_sendfile_not_found(&$event, $args) 56 { 57 if ( $event->data['status'] >= 500 || empty( $_REQUEST['ditaa'] ) ) { return true; } 58 $event->data['status'] = 200; 59 $event->data['statusmessage'] = 'OK'; 60 return true; 61 } 62}