1 <?php
2 /**
3  * TeXit-Plugin
4  * Copyright (C) 2013 Elie Roux <elie.roux@telecom-bretagne.eu>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  * --------------------------------------------------------------------
20  *
21  */
22 
23 // must be run within Dokuwiki
24 if(!defined('DOKU_INC')) die();
25 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
26 require_once(DOKU_PLUGIN.'texit/config.php');
27 
28 class action_plugin_texit extends DokuWiki_Action_Plugin {
29   /**
30    * Registers a callback function for action (?do=foo in the URL) handling
31    *
32    * @param Doku_Event_Handler $controller DokuWiki's event controller object
33    * @return void
34    */
35   public function register(Doku_Event_Handler &$controller) {
36      $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this,
37                                 'handle_action_act_preprocess');
38   }
39   /**
40    * This is the main function, call at every action.
41    *
42    * @param Doku_Event $event  event object by reference
43    * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
44    *                           handler was registered]
45    * @return void
46    */
47 
48   public function handle_action_act_preprocess(Doku_Event &$event, $param) {
49     // first check if it's a texit event
50     if ($event->data != "texit" && $event->data != "texitns") {
51         return false;
52     }
53     // check user's rights
54     if ( auth_quickaclcheck(getID()) < AUTH_READ ) {
55       return false;
56     }
57     $this->loadConfig(); // we need to get the usual plugin config
58     $pdfurl = $this->generate_pdf($event->data);
59     $this->redirect_to_pdf($pdfurl);
60     $event->preventDefault();
61     $event->stopPropagation();
62     exit();
63   }
64 
65  /* A bit hackish, but I don't know any other way... (I cannot call getConf in
66   * a non-Dukuwiki plugin class)
67   */
68   function get_plugin_config() {
69     global $conf;
70     if (!$this->configloaded){ $this->loadConfig();}
71     return $conf['plugin']['texit'];
72   }
73  /* Generates the pdf and returns the URL.
74   * $action is the action name (texit or texitns)
75   */
76   function generate_pdf($action) {
77     global $conf;
78     $namespace_mode = false;
79     if ($action == "texitns") {
80       $namespace_mode = true;
81     }
82     // we want to have a nsbpc instance in config.php, but as it's not
83     // a Dokuwiki plugin, we can't... so we get it here and pass it
84     // to config.php
85     $nsbpc_obj = $this->loadHelper('nsbpc');
86     $texit = new config_plugin_texit(getID(), $namespace_mode, $this->get_plugin_config(), $nsbpc_obj);
87     $pdfurl = $texit->process();
88     return $pdfurl;
89   }
90 
91  /* A simple function to redirect the client to the PDF.
92   */
93   function redirect_to_pdf($pdfurl) {
94     //header("Status: 200"); // TODO: see if it's necessary in Chrome
95     header("Location: ".$pdfurl, true, 303);
96     print("Redirecting to <a href=\"".$pdfurl."\">".$pdfurl."</a>");
97   }
98 }
99 ?>
100