| 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 | require_once('platal/session.inc.php'); |
| 23 | |
| 24 | // {{{ class XorgSession |
| 25 | |
| 26 | class XnetSession |
| 27 | { |
| 28 | // {{{ function init |
| 29 | |
| 30 | function init() { |
| 31 | global $globals; |
| 32 | |
| 33 | S::init(); |
| 34 | |
| 35 | $_SESSION['session'] = new XnetSession; |
| 36 | |
| 37 | if (!S::logged()) { |
| 38 | // prevent connexion to be linked to deconnexion |
| 39 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
| 40 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
| 41 | else |
| 42 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
| 43 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
| 44 | $url .= "?session=" . session_id(); |
| 45 | $url .= "&challenge=" . S::v('challenge'); |
| 46 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
| 47 | $url .= "&url=".urlencode($returl); |
| 48 | $_SESSION['loginX'] = $url; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | // }}} |
| 53 | // {{{ function destroy() |
| 54 | |
| 55 | function destroy() { |
| 56 | S::destroy(); |
| 57 | XnetSession::init(); |
| 58 | } |
| 59 | |
| 60 | // }}} |
| 61 | // {{{ function doAuth() |
| 62 | |
| 63 | /** Try to do an authentication. |
| 64 | * |
| 65 | * @param page the calling page (by reference) |
| 66 | */ |
| 67 | function doAuth(&$page) |
| 68 | { |
| 69 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | if (Get::has('auth')) { |
| 74 | return XnetSession::doAuthX($page); |
| 75 | } else { |
| 76 | XnetSession::doLogin($page); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | // }}} |
| 81 | // {{{ doAuthX |
| 82 | |
| 83 | function doAuthX(&$page) { |
| 84 | global $globals; |
| 85 | |
| 86 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::getInt('uid').'1') != Get::get('auth')) { |
| 87 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
| 88 | } |
| 89 | |
| 90 | $res = XDB::query(" |
| 91 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
| 92 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
| 93 | FROM auth_user_md5 AS u |
| 94 | INNER JOIN auth_user_quick AS q USING(user_id) |
| 95 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
| 96 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
| 97 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
| 98 | LIMIT 1", Get::getInt('uid')); |
| 99 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
| 100 | $_SESSION['auth'] = AUTH_MDP; |
| 101 | S::kill('challenge'); |
| 102 | S::kill('loginX'); |
| 103 | Get::kill('auth'); |
| 104 | Get::kill('uid'); |
| 105 | $args = array(); |
| 106 | foreach($_GET as $key=>$val) { |
| 107 | $args[] = urlencode($key).'='.urlencode($val); |
| 108 | } |
| 109 | redirect($_SERVER['PHP_SELF'] . '?' . join('&', $args)); |
| 110 | } |
| 111 | |
| 112 | // }}} |
| 113 | // {{{ doLogin |
| 114 | |
| 115 | function doLogin(&$page) { |
| 116 | redirect(S::v('loginX')); |
| 117 | } |
| 118 | |
| 119 | // }}} |
| 120 | } |
| 121 | |
| 122 | // }}} |
| 123 | // {{{ may_update |
| 124 | |
| 125 | function may_update() { |
| 126 | global $globals; |
| 127 | if (!$globals->asso('id')) { return false; } |
| 128 | if (S::has_perms()) { return true; } |
| 129 | $res = XDB::query( |
| 130 | "SELECT perms |
| 131 | FROM groupex.membres |
| 132 | WHERE uid={?} AND asso_id={?}", S::v('uid'), $globals->asso('id')); |
| 133 | return $res->fetchOneCell() == 'admin'; |
| 134 | } |
| 135 | |
| 136 | // }}} |
| 137 | // {{{ is_member |
| 138 | |
| 139 | function is_member() { |
| 140 | global $globals; |
| 141 | $asso_id = $globals->asso('id'); |
| 142 | if (!$asso_id) { return false; } |
| 143 | static $is_member; |
| 144 | if (!$is_member) $is_member = array(); |
| 145 | if (!isset($is_member[$asso_id])) |
| 146 | { |
| 147 | $res = XDB::query( |
| 148 | "SELECT COUNT(*) |
| 149 | FROM groupex.membres |
| 150 | WHERE uid={?} AND asso_id={?}", |
| 151 | S::v('uid'), $asso_id); |
| 152 | $is_member[$asso_id] = $res->fetchOneCell() == 1; |
| 153 | } |
| 154 | return $is_member[$asso_id]; |
| 155 | } |
| 156 | |
| 157 | // }}} |
| 158 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
| 159 | ?> |