| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2011 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 | if (!S::logged() && Post::has('auth_type') && Post::v('auth_type') == 'xnet' && !Post::has('wait')) { |
| 38 | $email = Post::v('username'); |
| 39 | $type = XDB::fetchOneCell('SELECT type |
| 40 | FROM accounts |
| 41 | WHERE email = {?}', |
| 42 | $email); |
| 43 | if ((!is_null($type) && $type != 'xnet') || !User::isForeignEmailAddress($email)) { |
| 44 | Platal::page()->trigErrorRedirect('Ce formulaire d\'authentification est réservé aux extérieurs à la communauté polytechnicienne.', ''); |
| 45 | } |
| 46 | |
| 47 | $user = parent::doAuth(AUTH_MDP); |
| 48 | if (is_null($user)) { |
| 49 | return false; |
| 50 | } |
| 51 | if (!parent::checkAuth(AUTH_MDP) || !parent::startSessionAs($user, AUTH_MDP)) { |
| 52 | $this->destroy(); |
| 53 | return false; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | global $globals; |
| 58 | if (!S::logged() && $globals->xnet->auth_baseurl) { |
| 59 | // prevent connection to be linked to disconnection |
| 60 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
| 61 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
| 62 | else |
| 63 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
| 64 | $url = $globals->xnet->auth_baseurl; |
| 65 | $url .= "?session=" . session_id(); |
| 66 | $url .= "&challenge=" . S::v('challenge'); |
| 67 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
| 68 | $url .= "&url=".urlencode($returl); |
| 69 | S::set('loginX', $url); |
| 70 | } |
| 71 | |
| 72 | if (S::logged() && $globals->asso()) { |
| 73 | $perms = S::v('perms'); |
| 74 | $perms->rmFlag('groupadmin'); |
| 75 | $perms->rmFlag('groupmember'); |
| 76 | $perms->rmFlag('groupannu'); |
| 77 | if (may_update()) { |
| 78 | $perms->addFlag('groupadmin'); |
| 79 | $perms->addFlag('groupmember'); |
| 80 | $perms->addFlag('groupannu'); |
| 81 | } |
| 82 | if (is_member()) { |
| 83 | $perms->addFlag('groupmember'); |
| 84 | if ($globals->asso('pub') != 'private') { |
| 85 | $perms->addFlag('groupannu'); |
| 86 | } |
| 87 | } else if ($globals->asso('pub') == 'public') { |
| 88 | $perms->addFlag('groupannu'); |
| 89 | } |
| 90 | if ($globals->asso('cat') == 'Promotions') { |
| 91 | $perms->addFlag('groupannu'); |
| 92 | } |
| 93 | S::set('perms', $perms); |
| 94 | } |
| 95 | return true; |
| 96 | } |
| 97 | |
| 98 | protected function doAuth($level) |
| 99 | { |
| 100 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
| 101 | return User::getSilentWithValues(null, array('uid' => S::i('uid'))); |
| 102 | } |
| 103 | if (!Get::has('auth')) { |
| 104 | return null; |
| 105 | } |
| 106 | global $globals; |
| 107 | if (md5('1' . S::v('challenge') . $globals->xnet->secret . Get::i('uid') . '1') != Get::v('auth')) { |
| 108 | return null; |
| 109 | } |
| 110 | Get::kill('auth'); |
| 111 | S::set('auth', AUTH_MDP); |
| 112 | return User::getSilentWithValues(null, array('uid' => Get::i('uid'))); |
| 113 | } |
| 114 | |
| 115 | protected function startSessionAs($user, $level) |
| 116 | { |
| 117 | // The user must have 'groups' permission to access X.net |
| 118 | if (!$user->checkPerms('groups')) { |
| 119 | return false; |
| 120 | } |
| 121 | if ($level == AUTH_SUID) { |
| 122 | S::set('auth', AUTH_MDP); |
| 123 | } |
| 124 | |
| 125 | S::set('uid', $user->uid); |
| 126 | S::set('hruid', $user->hruid); |
| 127 | |
| 128 | // XXX: Transition code, should not be in session anymore |
| 129 | S::set('display_name', $user->display_name); |
| 130 | S::set('full_name', $user->full_name); |
| 131 | S::set('femme', $user->isFemale()); |
| 132 | S::set('email_format', $user->email_format); |
| 133 | S::set('token', $user->token); |
| 134 | S::set('perms', $user->perms); |
| 135 | S::set('is_admin', $user->is_admin); |
| 136 | |
| 137 | |
| 138 | $this->makePerms($user->perms, $user->is_admin); |
| 139 | S::kill('challenge'); |
| 140 | S::kill('loginX'); |
| 141 | S::kill('may_update'); |
| 142 | S::kill('is_member'); |
| 143 | Get::kill('uid'); |
| 144 | Get::kill('PHPSESSID'); |
| 145 | |
| 146 | $args = array(); |
| 147 | foreach($_GET as $key => $val) { |
| 148 | $args[] = urlencode($key). '=' .urlencode($val); |
| 149 | } |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | public function doSelfSuid() |
| 154 | { |
| 155 | $user =& S::user(); |
| 156 | if (!$this->startSUID($user)) { |
| 157 | return false; |
| 158 | } |
| 159 | S::set('perms', User::makePerms(PERMS_USER)); |
| 160 | return true; |
| 161 | } |
| 162 | |
| 163 | public function stopSUID() |
| 164 | { |
| 165 | $perms = S::suid('perms'); |
| 166 | if (!parent::stopSUID()) { |
| 167 | return false; |
| 168 | } |
| 169 | S::kill('may_update'); |
| 170 | S::kill('is_member'); |
| 171 | S::set('perms', $perms); |
| 172 | return true; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | // {{{ function may_update |
| 177 | |
| 178 | /** Return administration rights for the current asso |
| 179 | * @param force Force administration rights to be read from database |
| 180 | * @param lose Force administration rights to be false |
| 181 | */ |
| 182 | function may_update($force = false, $lose = false) |
| 183 | { |
| 184 | if (!isset($_SESSION['may_update'])) { |
| 185 | $_SESSION['may_update'] = array(); |
| 186 | } |
| 187 | $may_update =& $_SESSION['may_update']; |
| 188 | |
| 189 | global $globals; |
| 190 | $asso_id = $globals->asso('id'); |
| 191 | if (!$asso_id) { |
| 192 | return false; |
| 193 | } elseif ($lose) { |
| 194 | $may_update[$asso_id] = false; |
| 195 | } elseif (S::admin() || (S::suid() && $force)) { |
| 196 | $may_update[$asso_id] = true; |
| 197 | } elseif (!isset($may_update[$asso_id]) || $force) { |
| 198 | $res = XDB::query("SELECT perms |
| 199 | FROM group_members |
| 200 | WHERE uid={?} AND asso_id={?}", |
| 201 | S::v('uid'), $asso_id); |
| 202 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
| 203 | } |
| 204 | return $may_update[$asso_id]; |
| 205 | } |
| 206 | |
| 207 | // }}} |
| 208 | // {{{ function is_member |
| 209 | |
| 210 | /** Get membership informations for the current asso |
| 211 | * @param force Force membership to be read from database |
| 212 | * @param lose Force membership to be false |
| 213 | */ |
| 214 | function is_member($force = false, $lose = false) |
| 215 | { |
| 216 | if (!isset($_SESSION['is_member'])) { |
| 217 | $_SESSION['is_member'] = array(); |
| 218 | } |
| 219 | $is_member =& $_SESSION['is_member']; |
| 220 | |
| 221 | global $globals; |
| 222 | $asso_id = $globals->asso('id'); |
| 223 | if (!$asso_id) { |
| 224 | return false; |
| 225 | } elseif ($lose) { |
| 226 | $is_member[$asso_id] = false; |
| 227 | } elseif (S::suid() && $force) { |
| 228 | $is_member[$asso_id] = true; |
| 229 | } elseif (!isset($is_member[$asso_id]) || $force) { |
| 230 | $res = XDB::query("SELECT COUNT(*) |
| 231 | FROM group_members |
| 232 | WHERE uid={?} AND asso_id={?}", |
| 233 | S::v('uid'), $asso_id); |
| 234 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
| 235 | } |
| 236 | return $is_member[$asso_id]; |
| 237 | } |
| 238 | |
| 239 | // }}} |
| 240 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
| 241 | ?> |