wiki.inc.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 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 function wiki_pagename() {
  23     if (!Get::get('n')) {
  24         return null;
  25     }
  26
  27     $words = explode('/', trim(Get::get('n'), '/'));
  28     if (count($words) == 2) {
  29         return join('.', $words);
  30     }
  31
  32     array_unshift($words, $words[0]);
  33     $b = array_pop($words);
  34     $a = array_pop($words);
  35
  36     pl_redirect($a.'/'.$b);
  37 }
  38
  39 function wiki_work_dir() {
  40     global $globals;
  41     return $globals->spoolroot.'/spool/wiki.d';
  42 }
  43
  44 function wiki_clear_all_cache()
  45 {
  46     system('rm -f '.wiki_work_dir().'/cache_*');
  47 }
  48
  49 function get_perms($n)
  50 {
  51     $file  = wiki_work_dir().'/'.str_replace('/', '.', $n);
  52     $lines = explode("\n", file_get_contents($file));
  53     foreach ($lines as $line) {
  54         list($k, $v) = explode('=', $line, 2);
  55         if ($k == 'platal_perms') {
  56             return explode(':', $v);
  57         }
  58     }
  59     return array('logged', 'admin');
  60 }
  61
  62 function wiki_may_have_perms($perm) {
  63     switch ($perm) {
  64       case 'public': return true;
  65       case 'logged': return S::logged();
  66       case 'mdp':    return S::logged();
  67       default:       return S::has_perms();
  68     }
  69 }
  70
  71 function wiki_apply_perms($perm) {
  72     global $page, $platal;
  73
  74     switch ($perm) {
  75       case 'public':
  76         return;
  77
  78       case 'logged':
  79         if (!XorgSession::doAuthCookie()) {
  80             $platal = new Platal();
  81             $platal->force_login($page);
  82         }
  83         return;
  84
  85       default:
  86         if (!XorgSession::doAuth()) {
  87             $platal = new Platal();
  88             $platal->force_login($page);
  89         }
  90         if ($perm == 'admin') {
  91             check_perms();
  92         }
  93         return;
  94     }
  95 }
  96
  97 ?>