2 /***************************************************************************
3 * Copyright (C) 2003-2008 Polytechnique.org *
4 * http://opensource.polytechnique.org/ *
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. *
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. *
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 *
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
20 ***************************************************************************/
22 class XorgSession
extends PlSession
24 public function __construct()
26 parent
::__construct();
27 S
::bootstrap('perms_backup', new PlFlagSet());
30 public function startAvailableAuth()
32 if (!(S
::v('perms') instanceof PlFlagSet
)) {
33 S
::set('perms', S
::v('perms_backup'));
36 $cookie = $this->tryCookie();
38 return $this->start(AUTH_COOKIE
);
39 } else if ($cookie == 1 ||
$cooke == -2) {
43 if ((check_ip('dangerous') && S
::has('uid')) ||
check_account()) {
44 $_SESSION['log']->log("view_page", $_SERVER['REQUEST_URI']);
49 /** Check the cookie and set the associated user_id in the auth_by_cookie session variable.
51 private function tryCookie()
53 Platal
::page()->trigError("Trying cookie");
54 S
::kill('auth_by_cookie');
55 if (Cookie
::v('ORGaccess') == '' ||
!Cookie
::has('ORGuid')) {
59 $res = XDB
::query('SELECT user_id, password
61 WHERE user_id = {?} AND perms IN(\'admin\', \'user\')',
63 if ($res->numRows() != 0) {
64 list($uid, $password) = $res->fetchOneRow();
65 require_once 'secure_hash.inc.php';
66 $expected_value = hash_encrypt($password);
67 if ($expected_value == Cookie
::v('ORGaccess')) {
68 S
::set('auth_by_cookie', $uid);
77 private function checkPassword($uname, $login, $response, $login_type)
79 $res = XDB
::query('SELECT u.user_id, u.password
80 FROM auth_user_md5 AS u
81 INNER JOIN aliases AS a ON (a.id = u.user_id AND type != \'homonyme\')
82 WHERE a.' . $login_type . ' = {?} AND u.perms IN(\'admin\', \'user\')',
84 if (list($uid, $password) = $res->fetchOneRow()) {
85 require_once 'secure_hash.inc.php';
86 $expected_response = hash_encrypt("$uname:$password:" . S
::v('challenge'));
87 if ($response != $expected_response) {
88 $new_password = hash_xor(Env
::v('xorpass'), $password);
89 $expected_response = hash_encrypt("$uname:$new_password:" . S
::v('challenge'));
90 if ($response == $expected_response) {
91 XDB
::execute('UPDATE auth_user_md5
97 if ($response != $expected_response) {
98 S
::logger($uid)->log('auth_fail', 'bad password');
109 protected function doAuth($level)
113 /* Cookie authentication
115 if ($level == AUTH_COOKIE
&& !S
::has('auth_by_cookie')) {
118 if ($level == AUTH_COOKIE
&& S
::has('auth_by_cookie')) {
120 S
::set('auth', AUTH_COOKIE
);
122 return S
::i('auth_by_cookie');
126 /* We want to do auth... we must have infos from a form.
128 if (!Env
::has('username') ||
!Env
::has('response') ||
!S
::has('challenge')) {
132 /** We come from an authentication form.
134 if (S
::has('suid')) {
135 $suid = S
::v('suid');
136 $login = $uname = $suid['forlife'];
139 $uname = Env
::v('username');
141 if (Env
::v('domain') == "alias") {
142 $res = XDB
::query('SELECT redirect
144 INNER JOIN virtual_redirect USING(vid)
145 WHERE alias LIKE {?}',
146 $uname . '@' . $globals->mail
->alias_dom
);
147 $redirect = $res->fetchOneCell();
149 $login = substr($redirect, 0, strpos($redirect, '@'));
159 $uid = $this->checkPassword($uname, $login, Post
::v('response'), (!$redirect && preg_match('/^\d*$/', $uname)) ?
'id' : 'alias');
160 if (!is_null($uid)) {
161 S
::set('auth', AUTH_MDP
);
162 if (Post
::has('domain')) {
163 if (($domain = Post
::v('domain', 'login')) == 'alias') {
164 setcookie('ORGdomain', "alias", (time() +
25920000), '/', '', 0);
166 setcookie('ORGdomain', '', (time() - 3600), '/', '', 0);
168 // pour que la modification soit effective dans le reste de la page
169 $_COOKIE['ORGdomain'] = $domain;
171 S
::kill('challenge');
172 S
::logger($uid)->log('auth_ok');
177 protected function startSessionAs($uid, $level)
179 if ((!is_null(S
::v('user')) && S
::i('user') != $uid) ||
(S
::has('uid') && S
::i('uid') != $uid)) {
181 } else if (S
::has('uid')) {
185 S
::set('auth', AUTH_COOKIE
);
187 unset($_SESSION['log']);
188 $res = XDB
::query('SELECT u.user_id AS uid, prenom, prenom_ini, nom, nom_ini, nom_usage, perms, promo, promo_sortie,
189 matricule, password, FIND_IN_SET(\'femme\', u.flags) AS femme,
190 a.alias AS forlife, a2.alias AS bestalias,
191 q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash,
192 FIND_IN_SET(\'watch\', u.flags) AS watch_account, q.last_version
193 FROM auth_user_md5 AS u
194 INNER JOIN auth_user_quick AS q USING(user_id)
195 INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type = \'a_vie\')
196 INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET(\'bestalias\', a2.flags))
197 WHERE u.user_id = {?} AND u.perms IN(\'admin\', \'user\')', $uid);
198 $sess = $res->fetchOneAssoc();
199 $perms = $sess['perms'];
200 unset($sess['perms']);
201 $res = XDB
::query('SELECT UNIX_TIMESTAMP(s.start) AS lastlogin, s.host
202 FROM logger.sessions AS s
203 WHERE s.uid = {?} AND s.suid = 0
204 ORDER BY s.start DESC
206 if ($res->numRows()) {
207 $sess = array_merge($sess, $res->fetchOneAssoc());
209 $suid = S
::v('suid');
212 $logger = S
::logger();
213 $logger->log("suid_start", S
::v('forlife')." by {$suid['uid']}");
214 $sess['suid'] = $suid;
216 $logger = S
::logger();
217 //$logger->log("connexion", Env::v('n'));
218 setcookie('ORGuid', $uid, (time() +
25920000), '/', '', 0);
219 if (Post
::v('remember', 'false') == 'true') {
220 $cookie = hash_encrypt($sess['password']);
221 setcookie('ORGaccess', $cookie, (time() +
25920000), '/', '', 0);
223 $logger->log("cookie_on");
226 setcookie('ORGaccess', '', time() - 3600, '/', '', 0);
228 $logger->log("cookie_off");
233 $_SESSION = array_merge($_SESSION, $sess);
234 $this->makePerms($perms);
235 $this->securityChecks();
242 private function securityChecks()
244 $mail_subject = array();
245 if (check_account()) {
246 $mail_subject[] = 'Connexion d\'un utilisateur surveillé';
248 if (check_ip('unsafe')) {
249 $mail_subject[] = 'Une IP surveillee a tente de se connecter';
250 if (check_ip('ban')) {
251 send_warning_mail(implode(' - ', $mail_subject));
253 Platal
::page()->kill('Une erreur est survenue lors de la procédure d\'authentification. '
254 . 'Merci de contacter au plus vite '
255 . '<a href="mailto:support@polytechnique.org">support@polytechnique.org</a>');
259 if (count($mail_subject)) {
260 send_warning_mail(implode(' - ', $mail_subject));
264 public function makePerms($perm)
266 $flags = new PlFlagSet();
267 if ($perm == 'disabled' ||
$perm == 'ext') {
270 $flags->addFlag(PERMS_USER
);
271 if ($perm == 'admin') {
272 $flags->addFlag(PERMS_ADMIN
);
274 S
::set('perms', $flags);
275 S
::set('perms_backup', $flags);
278 public function setSkin()
281 if (S
::logged() && (!S
::has('skin') || S
::has('suid'))) {
283 $res = XDB
::query("SELECT skin_tpl
284 FROM auth_user_quick AS a
285 INNER JOIN skins AS s ON a.skin = s.id
286 WHERE user_id = {?} AND skin_tpl != ''", $uid);
287 S
::set('skin', $res->fetchOneCell());
291 public function sureLevel()
297 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: