| 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 extends DiogenesCoreSession |
| 27 | { |
| 28 | // {{{ function XnetSession() |
| 29 | |
| 30 | function XnetSession() |
| 31 | { |
| 32 | $this->DiogenesCoreSession(); |
| 33 | } |
| 34 | |
| 35 | // }}} |
| 36 | // {{{ function init |
| 37 | |
| 38 | function init() { |
| 39 | global $globals; |
| 40 | |
| 41 | @session_start(); |
| 42 | if (!Session::has('session')) { |
| 43 | $_SESSION['session'] = new XnetSession; |
| 44 | } |
| 45 | if (!logged()) { |
| 46 | // prevent connexion to be linked to deconnexion |
| 47 | if (($i = strpos($_SERVER['REQUEST_URI'], 'deconnexion.php')) !== false) |
| 48 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
| 49 | else |
| 50 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
| 51 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
| 52 | $url .= "?session=" . session_id(); |
| 53 | $url .= "&challenge=" . $_SESSION['session']->challenge; |
| 54 | $url .= "&pass=" . md5($_SESSION['session']->challenge . $globals->xnet->secret); |
| 55 | $url .= "&url=".urlencode($returl); |
| 56 | $_SESSION['session']->loginX = $url; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | // }}} |
| 61 | // {{{ function destroy() |
| 62 | |
| 63 | function destroy() { |
| 64 | @session_destroy(); |
| 65 | unset($_SESSION); |
| 66 | XnetSession::init(); |
| 67 | } |
| 68 | |
| 69 | // }}} |
| 70 | // {{{ function doAuth() |
| 71 | |
| 72 | /** Try to do an authentication. |
| 73 | * |
| 74 | * @param page the calling page (by reference) |
| 75 | */ |
| 76 | function doAuth(&$page) |
| 77 | { |
| 78 | global $globals; |
| 79 | if (identified()) { // ok, c'est bon, on n'a rien à faire |
| 80 | return true; |
| 81 | } |
| 82 | |
| 83 | if (Get::has('auth')) { |
| 84 | return $this->doAuthX($page); |
| 85 | } elseif (Post::has('challenge') && Post::has('username') && Post::has('response')) { |
| 86 | return $this->doAuthOther($page); |
| 87 | } else { |
| 88 | $this->doLogin($page); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | // }}} |
| 93 | // {{{ doAuthX |
| 94 | |
| 95 | function doAuthX(&$page) { |
| 96 | global $globals; |
| 97 | |
| 98 | if (md5('1'.$this->challenge.$globals->xnet->secret.Get::getInt('uid').'1') != Get::get('auth')) { |
| 99 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
| 100 | } |
| 101 | |
| 102 | $res = $globals->xdb->query(" |
| 103 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
| 104 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
| 105 | FROM auth_user_md5 AS u |
| 106 | INNER JOIN auth_user_quick AS q USING(user_id) |
| 107 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
| 108 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
| 109 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
| 110 | LIMIT 1", Get::getInt('uid')); |
| 111 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
| 112 | $_SESSION['auth'] = AUTH_MDP; |
| 113 | unset($this->challenge); |
| 114 | unset($this->loginX); |
| 115 | Get::kill('auth'); |
| 116 | Get::kill('uid'); |
| 117 | $args = array(); |
| 118 | foreach($_GET as $key=>$val) { |
| 119 | $args[] = urlencode($key).'='.urlencode($val); |
| 120 | } |
| 121 | redirect($_SERVER['PHP_SELF'] . '?' . join('&', $args)); |
| 122 | } |
| 123 | |
| 124 | // }}} |
| 125 | // {{{ doAuthOther |
| 126 | |
| 127 | function doAuthOther(&$page) { |
| 128 | if (Post::has('challenge') && Post::has('username') && Post::has('response')) { |
| 129 | $username = Post::get('username'); |
| 130 | } |
| 131 | $this->doLogin($page); |
| 132 | } |
| 133 | |
| 134 | // }}} |
| 135 | // {{{ doLogin |
| 136 | |
| 137 | function doLogin(&$page) { |
| 138 | // login for non-x has been disabled, so don't need this js anymore |
| 139 | //$page->addJsLink('javascript/do_challenge_response.js.php'); |
| 140 | $page->assign("xorg_tpl", "xnet/login.tpl"); |
| 141 | $page->run(); |
| 142 | } |
| 143 | |
| 144 | // }}} |
| 145 | } |
| 146 | |
| 147 | // }}} |
| 148 | // {{{ may_update |
| 149 | |
| 150 | function may_update() { |
| 151 | global $globals; |
| 152 | if (!$globals->asso('id')) { return false; } |
| 153 | if (has_perms()) { return true; } |
| 154 | $res = $globals->xdb->query( |
| 155 | "SELECT perms |
| 156 | FROM groupex.membres |
| 157 | WHERE uid={?} AND asso_id={?}", Session::getInt('uid'), $globals->asso('id')); |
| 158 | return $res->fetchOneCell() == 'admin'; |
| 159 | } |
| 160 | |
| 161 | // }}} |
| 162 | // {{{ is_member |
| 163 | |
| 164 | function is_member() { |
| 165 | global $globals; |
| 166 | $asso_id = $globals->asso('id'); |
| 167 | if (!$asso_id) { return false; } |
| 168 | static $is_member; |
| 169 | if (!$is_member) $is_member = array(); |
| 170 | if (!isset($is_member[$asso_id])) |
| 171 | { |
| 172 | $res = $globals->xdb->query( |
| 173 | "SELECT COUNT(*) |
| 174 | FROM groupex.membres |
| 175 | WHERE uid={?} AND asso_id={?}", |
| 176 | Session::getInt('uid'), $asso_id); |
| 177 | $is_member[$asso_id] = $res->fetchOneCell() == 1; |
| 178 | } |
| 179 | return $is_member[$asso_id]; |
| 180 | } |
| 181 | |
| 182 | // }}} |
| 183 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
| 184 | ?> |