include/wiki/engine.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2007 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program 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          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 require_once 'wiki.inc.php';
  23
  24 $n    = wiki_pagename();
  25 if (!$n) {
  26     pl_redirect('');
  27 }
  28
  29 new_skinned_page('core/wiki.tpl');
  30 $perms = wiki_get_perms($n);
  31
  32 // Check user perms
  33 switch (Env::v('action')) {
  34   case '': case 'search':
  35     break;
  36
  37   case 'edit':
  38     wiki_apply_perms($perms[1]);
  39     break;
  40
  41   default:
  42     wiki_apply_perms('admin');
  43     break;
  44 }
  45
  46 if ($p = Post::v('setrperms')) {
  47     wiki_apply_perms('admin');
  48     if (wiki_set_perms($n, $p, $perms[1])) {
  49         $perms = wiki_get_perms($n);
  50         $page->trig('Permissions mises à jour');
  51     }
  52 }
  53
  54 if ($p = Post::v('setwperms')) {
  55     wiki_apply_perms('admin');
  56     if (wiki_set_perms($n, $perms[0], $p)) {
  57         $perms = wiki_get_perms($n);
  58         $page->trig('Permissions mises à jour');
  59     }
  60 }
  61
  62 // Generate cache even if we don't have access rights
  63 $wiki_cache   = wiki_work_dir().'/cache_'.wiki_filename($n).'.tpl';
  64 $cache_exists = file_exists($wiki_cache);
  65
  66 if (Env::v('action') || !$cache_exists) {
  67     if ($cache_exists) {
  68         unlink($wiki_cache);
  69     }
  70
  71     // we leave pmwiki do whatever it wants and store everything
  72     ob_start();
  73     require_once($globals->spoolroot.'/wiki/pmwiki.php');
  74
  75     $wikiAll = ob_get_clean();
  76     // the pmwiki skin we are using (almost empty) has these keywords:
  77     $i = strpos($wikiAll, "<!--/HeaderText-->");
  78     $j = strpos($wikiAll, "<!--/PageLeftFmt-->", $i);
  79 }
  80
  81 $wiki_exists = file_exists(wiki_work_dir() . '/' . wiki_filename($n));
  82
  83 if (Env::v('action')) {
  84     $page->assign('xorg_extra_header', substr($wikiAll, 0, $i));
  85     $wikiAll = substr($wikiAll, $j);
  86 } else {
  87     if (!$cache_exists && $wiki_exists) {
  88         $wikiAll = substr($wikiAll, $j);
  89         wiki_putfile($wiki_cache, $wikiAll);
  90     } elseif ($cache_exists) {
  91         $wikiAll = file_get_contents($wiki_cache);
  92     } elseif (S::has_perms()) {
  93         $wikiAll = "<p>La page de wiki $n n'existe pas. "
  94                  . "Il te suffit de <a href='" . str_replace('.', '/', $n) . "?action=edit'>l'éditer</a></p>";
  95     } else {
  96         $page->changeTpl('core/404.tpl');
  97     }
  98 }
  99
 100 // Check user perms
 101 wiki_apply_perms($perms[0]);
 102
 103 $page->assign('perms', $perms);
 104 $page->assign('perms_opts', wiki_perms_options());
 105
 106 $page->assign('canedit',    wiki_may_have_perms($perms[1]));
 107 $page->assign('has_perms',  wiki_may_have_perms('admin'));
 108
 109 $page->assign('wikipage', str_replace('.', '/', $n));
 110 if ($perms[1] == 'admin' && !Env::v('action') && $wiki_exists) {
 111     $page->assign('pmwiki_cache', $wiki_cache);
 112 } else {
 113     $page->assign('pmwiki',   $wikiAll);
 114     $page->assign('text', true);
 115 }
 116 $page->addCssLink('wiki.css');
 117 $page->addJsLink('wiki.js');
 118
 119 $page->run();
 120
 121 ?>