include/wiki.inc.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 function wiki_pagename() {
  23     if (!Get::v('n')) {
  24         return null;
  25     }
  26
  27     $words = explode('/', trim(Get::v('n'), '/'));
  28     if (count($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 $globals->spoolroot.'/spool/wiki.d';
  42 }
  43
  44 function wiki_clear_all_cache()
  45 {
  46     system('rm -f '.wiki_work_dir().'/cache_*');
  47 }
  48
  49 function wiki_perms_options() {
  50     return array('public' => 'Public', 'logged' => 'Connecté',
  51                   'mdp' => 'Authentifié', 'admin' => 'Admin');
  52 }
  53
  54 function wiki_get_perms($n)
  55 {
  56     $file  = wiki_work_dir().'/'.str_replace('/', '.', $n);
  57     $lines = explode("\n", @file_get_contents($file));
  58     foreach ($lines as $line) {
  59         @list($k, $v) = explode('=', $line, 2);
  60         if ($k == 'platal_perms') {
  61             return explode(':', $v);
  62         }
  63     }
  64     return array('logged', 'admin');
  65 }
  66
  67 function wiki_putfile($f, $s)
  68 {
  69     $fp = fopen($f, 'w');
  70     fputs($fp, $s);
  71     fclose($fp);
  72 }
  73
  74 function wiki_set_perms($n, $pr, $pw)
  75 {
  76     $file  = wiki_work_dir().'/'.str_replace('/', '.', $n);
  77     if (!file_exists($file))
  78         return false;
  79
  80     $p = $pr . ':' . $pw;
  81
  82     $lines = explode("\n", file_get_contents($file));
  83     foreach ($lines as $i => $line) {
  84         list($k, $v) = explode('=', $line, 2);
  85         if ($k == 'platal_perms') {
  86             $lines[$i] = 'platal_perms='.$p;
  87             wiki_putfile($file, join("\n", $lines));
  88             return true;
  89         }
  90     }
  91
  92     array_splice($lines, 1, 0, array('platal_perms='.$p));
  93     wiki_putfile($file, join("\n", $lines));
  94     return true;
  95 }
  96
  97 function wiki_may_have_perms($perm) {
  98     switch ($perm) {
  99       case 'public': return true;
 100       case 'logged': return S::logged();
 101       case 'mdp':    return S::logged();
 102       default:       return S::has_perms();
 103     }
 104 }
 105
 106 function wiki_apply_perms($perm) {
 107     global $page, $platal, $globals;
 108
 109     switch ($perm) {
 110       case 'public':
 111         return;
 112
 113       case 'logged':
 114         if (!call_user_func(array($globals->session, 'doAuthCookie'))) {
 115             $platal = new Platal();
 116             $platal->force_login($page);
 117         }
 118         return;
 119
 120       default:
 121         if (!call_user_func(array($globals->session, 'doAuth'))) {
 122             $platal = empty($GLOBALS['IS_XNET_SITE']) ? new Platal() : new Xnet();
 123             $platal->force_login($page);
 124         }
 125         if ($perm == 'admin') {
 126             check_perms();
 127         }
 128         return;
 129     }
 130 }
 131
 132 function wiki_require_page($pagename)
 133 {
 134     global $globals;
 135     $pagename_slashes = str_replace('.','/',$pagename);
 136     $pagename_dots = str_replace('/','.',$pagename);
 137     if (is_file(wiki_work_dir().'/cache_'.$pagename_dots.'.tpl')) return;
 138     system('wget '.$globals->baseurl.'/'.$pagename_slashes.' -O /dev/null');
 139 }
 140
 141 ?>