| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2010 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 | class XnetSession extends XorgSession |
| 23 | { |
| 24 | public function __construct() |
| 25 | { |
| 26 | parent::__construct(); |
| 27 | } |
| 28 | |
| 29 | public function startAvailableAuth() |
| 30 | { |
| 31 | if (!S::logged() && Get::has('auth')) { |
| 32 | if (!$this->start(AUTH_MDP)) { |
| 33 | return false; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | global $globals; |
| 38 | if (!S::logged()) { |
| 39 | // prevent connection to be linked to disconnection |
| 40 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
| 41 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
| 42 | else |
| 43 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
| 44 | $url = "https://www.polytechnique.org/auth-groupex"; |
| 45 | $url .= "?session=" . session_id(); |
| 46 | $url .= "&challenge=" . S::v('challenge'); |
| 47 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
| 48 | $url .= "&url=".urlencode($returl); |
| 49 | S::set('loginX', $url); |
| 50 | } |
| 51 | |
| 52 | if (S::logged() && $globals->asso()) { |
| 53 | $perms = S::v('perms'); |
| 54 | $perms->rmFlag('groupadmin'); |
| 55 | $perms->rmFlag('groupmember'); |
| 56 | $perms->rmFlag('groupannu'); |
| 57 | if (may_update()) { |
| 58 | $perms->addFlag('groupadmin'); |
| 59 | $perms->addFlag('groupmember'); |
| 60 | $perms->addFlag('groupannu'); |
| 61 | } |
| 62 | if (is_member()) { |
| 63 | $perms->addFlag('groupmember'); |
| 64 | if ($globals->asso('pub') != 'private') { |
| 65 | $perms->addFlag('groupannu'); |
| 66 | } |
| 67 | } |
| 68 | if ($globals->asso('cat') == 'Promotions') { |
| 69 | $perms->addFlag('groupannu'); |
| 70 | } |
| 71 | S::set('perms', $perms); |
| 72 | } |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | protected function doAuth($level) |
| 77 | { |
| 78 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
| 79 | return User::getSilentWithValues(null, array('user_id' => S::i('uid'))); |
| 80 | } |
| 81 | if (!Get::has('auth')) { |
| 82 | return null; |
| 83 | } |
| 84 | global $globals; |
| 85 | if (md5('1' . S::v('challenge') . $globals->xnet->secret . Get::i('uid') . '1') != Get::v('auth')) { |
| 86 | return null; |
| 87 | } |
| 88 | Get::kill('auth'); |
| 89 | S::set('auth', AUTH_MDP); |
| 90 | return User::getSilentWithValues(null, array('user_id' => Get::i('uid'))); |
| 91 | } |
| 92 | |
| 93 | protected function startSessionAs($user, $level) |
| 94 | { |
| 95 | if ($level == AUTH_SUID) { |
| 96 | S::set('auth', AUTH_MDP); |
| 97 | } |
| 98 | $res = XDB::query("SELECT a.uid, a.hruid, a.display_name, a.full_name, |
| 99 | a.sex = 'female' AS femme, |
| 100 | a.email_format, a.token, |
| 101 | at.perms, a.is_admin |
| 102 | FROM accounts AS a |
| 103 | INNER JOIN account_types AS at ON (at.type = a.type) |
| 104 | WHERE a.uid = {?} AND a.state = 'active' |
| 105 | LIMIT 1", $user->id()); |
| 106 | $sess = $res->fetchOneAssoc(); |
| 107 | $_SESSION = array_merge($_SESSION, $sess); |
| 108 | $this->makePerms(S::s('perms'), S::b('is_admin')); |
| 109 | S::kill('challenge'); |
| 110 | S::kill('loginX'); |
| 111 | S::kill('may_update'); |
| 112 | S::kill('is_member'); |
| 113 | Get::kill('uid'); |
| 114 | Get::kill('PHPSESSID'); |
| 115 | |
| 116 | $args = array(); |
| 117 | foreach($_GET as $key => $val) { |
| 118 | $args[] = urlencode($key). '=' .urlencode($val); |
| 119 | } |
| 120 | return true; |
| 121 | } |
| 122 | |
| 123 | public function doSelfSuid() |
| 124 | { |
| 125 | $user =& S::user(); |
| 126 | if (!$this->startSUID($user)) { |
| 127 | return false; |
| 128 | } |
| 129 | S::set('perms', User::makePerms('user')); |
| 130 | return true; |
| 131 | } |
| 132 | |
| 133 | public function stopSUID() |
| 134 | { |
| 135 | $perms = S::suid('perms'); |
| 136 | if (!parent::stopSUID()) { |
| 137 | return false; |
| 138 | } |
| 139 | S::kill('may_update'); |
| 140 | S::kill('is_member'); |
| 141 | S::set('perms', $perms); |
| 142 | return true; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | // {{{ function may_update |
| 147 | |
| 148 | /** Return administration rights for the current asso |
| 149 | * @param force Force administration rights to be read from database |
| 150 | * @param lose Force administration rights to be false |
| 151 | */ |
| 152 | function may_update($force = false, $lose = false) |
| 153 | { |
| 154 | if (!isset($_SESSION['may_update'])) { |
| 155 | $_SESSION['may_update'] = array(); |
| 156 | } |
| 157 | $may_update =& $_SESSION['may_update']; |
| 158 | |
| 159 | global $globals; |
| 160 | $asso_id = $globals->asso('id'); |
| 161 | if (!$asso_id) { |
| 162 | return false; |
| 163 | } elseif ($lose) { |
| 164 | $may_update[$asso_id] = false; |
| 165 | } elseif (S::admin() || (S::suid() && $force)) { |
| 166 | $may_update[$asso_id] = true; |
| 167 | } elseif (!isset($may_update[$asso_id]) || $force) { |
| 168 | $res = XDB::query("SELECT perms |
| 169 | FROM group_members |
| 170 | WHERE uid={?} AND asso_id={?}", |
| 171 | S::v('uid'), $asso_id); |
| 172 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
| 173 | } |
| 174 | return $may_update[$asso_id]; |
| 175 | } |
| 176 | |
| 177 | // }}} |
| 178 | // {{{ function is_member |
| 179 | |
| 180 | /** Get membership informations for the current asso |
| 181 | * @param force Force membership to be read from database |
| 182 | * @param lose Force membership to be false |
| 183 | */ |
| 184 | function is_member($force = false, $lose = false) |
| 185 | { |
| 186 | if (!isset($_SESSION['is_member'])) { |
| 187 | $_SESSION['is_member'] = array(); |
| 188 | } |
| 189 | $is_member =& $_SESSION['is_member']; |
| 190 | |
| 191 | global $globals; |
| 192 | $asso_id = $globals->asso('id'); |
| 193 | if (!$asso_id) { |
| 194 | return false; |
| 195 | } elseif ($lose) { |
| 196 | $is_member[$asso_id] = false; |
| 197 | } elseif (S::suid() && $force) { |
| 198 | $is_member[$asso_id] = true; |
| 199 | } elseif (!isset($is_member[$asso_id]) || $force) { |
| 200 | $res = XDB::query("SELECT COUNT(*) |
| 201 | FROM group_members |
| 202 | WHERE uid={?} AND asso_id={?}", |
| 203 | S::v('uid'), $asso_id); |
| 204 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
| 205 | } |
| 206 | return $is_member[$asso_id]; |
| 207 | } |
| 208 | |
| 209 | // }}} |
| 210 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
| 211 | ?> |