Commit | Line | Data |
---|---|---|
0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
179afa7f | 3 | * Copyright (C) 2003-2008 Polytechnique.org * |
0337d704 | 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 | ||
c0799142 | 22 | class XorgSession extends PlSession |
0337d704 | 23 | { |
c0799142 FB |
24 | public function __construct() |
25 | { | |
26 | parent::__construct(); | |
abde67b1 FB |
27 | } |
28 | ||
c0799142 | 29 | public function startAvailableAuth() |
5480a216 | 30 | { |
c0799142 FB |
31 | if (!S::logged()) { |
32 | $cookie = $this->tryCookie(); | |
33 | if ($cookie == 0) { | |
34 | return $this->start(AUTH_COOKIE); | |
998c070f | 35 | } else if ($cookie == 1 || $cookie == -2) { |
c0799142 FB |
36 | return false; |
37 | } | |
5480a216 | 38 | } |
0be07aa6 | 39 | if ((check_ip('dangerous') && S::has('uid')) || check_account()) { |
5480a216 | 40 | $_SESSION['log']->log("view_page", $_SERVER['REQUEST_URI']); |
0337d704 | 41 | } |
c0799142 | 42 | return true; |
0337d704 | 43 | } |
44 | ||
c0799142 FB |
45 | /** Check the cookie and set the associated user_id in the auth_by_cookie session variable. |
46 | */ | |
47 | private function tryCookie() | |
48 | { | |
49 | S::kill('auth_by_cookie'); | |
50 | if (Cookie::v('ORGaccess') == '' || !Cookie::has('ORGuid')) { | |
51 | return -1; | |
52 | } | |
cab08090 | 53 | |
c0799142 FB |
54 | $res = XDB::query('SELECT user_id, password |
55 | FROM auth_user_md5 | |
56 | WHERE user_id = {?} AND perms IN(\'admin\', \'user\')', | |
57 | Cookie::i('ORGuid')); | |
58 | if ($res->numRows() != 0) { | |
59 | list($uid, $password) = $res->fetchOneRow(); | |
60 | require_once 'secure_hash.inc.php'; | |
61 | $expected_value = hash_encrypt($password); | |
62 | if ($expected_value == Cookie::v('ORGaccess')) { | |
63 | S::set('auth_by_cookie', $uid); | |
64 | return 0; | |
65 | } else { | |
66 | return 1; | |
67 | } | |
68 | } | |
69 | return -2; | |
70 | } | |
71 | ||
72 | private function checkPassword($uname, $login, $response, $login_type) | |
5480a216 | 73 | { |
c0799142 FB |
74 | $res = XDB::query('SELECT u.user_id, u.password |
75 | FROM auth_user_md5 AS u | |
76 | INNER JOIN aliases AS a ON (a.id = u.user_id AND type != \'homonyme\') | |
77 | WHERE a.' . $login_type . ' = {?} AND u.perms IN(\'admin\', \'user\')', | |
78 | $login); | |
79 | if (list($uid, $password) = $res->fetchOneRow()) { | |
80 | require_once 'secure_hash.inc.php'; | |
81 | $expected_response = hash_encrypt("$uname:$password:" . S::v('challenge')); | |
82 | if ($response != $expected_response) { | |
83 | $new_password = hash_xor(Env::v('xorpass'), $password); | |
84 | $expected_response = hash_encrypt("$uname:$new_password:" . S::v('challenge')); | |
85 | if ($response == $expected_response) { | |
86 | XDB::execute('UPDATE auth_user_md5 | |
87 | SET password = {?} | |
88 | WHERE user_id = {?}', | |
89 | $new_password, $uid); | |
90 | } | |
91 | } | |
92 | if ($response != $expected_response) { | |
732e5855 | 93 | S::logger($uid)->log('auth_fail', 'bad password'); |
c0799142 FB |
94 | return null; |
95 | } | |
96 | return $uid; | |
97 | } | |
98 | return null; | |
0337d704 | 99 | } |
cab08090 | 100 | |
0337d704 | 101 | |
c0799142 FB |
102 | /** Check auth. |
103 | */ | |
104 | protected function doAuth($level) | |
0337d704 | 105 | { |
e74411f7 | 106 | global $globals; |
c0799142 FB |
107 | |
108 | /* Cookie authentication | |
109 | */ | |
110 | if ($level == AUTH_COOKIE && !S::has('auth_by_cookie')) { | |
111 | $this->tryCookie(); | |
112 | } | |
113 | if ($level == AUTH_COOKIE && S::has('auth_by_cookie')) { | |
114 | if (!S::logged()) { | |
115 | S::set('auth', AUTH_COOKIE); | |
116 | } | |
117 | return S::i('auth_by_cookie'); | |
e74411f7 | 118 | } |
0337d704 | 119 | |
c0799142 FB |
120 | |
121 | /* We want to do auth... we must have infos from a form. | |
122 | */ | |
e64c8b61 | 123 | if (!Post::has('username') || !Post::has('response') || !S::has('challenge')) { |
c0799142 | 124 | return null; |
63528107 | 125 | } |
126 | ||
c0799142 FB |
127 | /** We come from an authentication form. |
128 | */ | |
e74411f7 | 129 | if (S::has('suid')) { |
c0799142 | 130 | $suid = S::v('suid'); |
e74411f7 | 131 | $login = $uname = $suid['forlife']; |
132 | $redirect = false; | |
133 | } else { | |
134 | $uname = Env::v('username'); | |
135 | ||
136 | if (Env::v('domain') == "alias") { | |
c0799142 FB |
137 | $res = XDB::query('SELECT redirect |
138 | FROM virtual | |
139 | INNER JOIN virtual_redirect USING(vid) | |
140 | WHERE alias LIKE {?}', | |
141 | $uname . '@' . $globals->mail->alias_dom); | |
e74411f7 | 142 | $redirect = $res->fetchOneCell(); |
143 | if ($redirect) { | |
144 | $login = substr($redirect, 0, strpos($redirect, '@')); | |
145 | } else { | |
c0799142 | 146 | $login = ''; |
e74411f7 | 147 | } |
0337d704 | 148 | } else { |
e74411f7 | 149 | $login = $uname; |
150 | $redirect = false; | |
0337d704 | 151 | } |
63528107 | 152 | } |
cab08090 | 153 | |
c0799142 FB |
154 | $uid = $this->checkPassword($uname, $login, Post::v('response'), (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias'); |
155 | if (!is_null($uid)) { | |
156 | S::set('auth', AUTH_MDP); | |
157 | if (Post::has('domain')) { | |
158 | if (($domain = Post::v('domain', 'login')) == 'alias') { | |
159 | setcookie('ORGdomain', "alias", (time() + 25920000), '/', '', 0); | |
160 | } else { | |
161 | setcookie('ORGdomain', '', (time() - 3600), '/', '', 0); | |
e74411f7 | 162 | } |
c0799142 FB |
163 | // pour que la modification soit effective dans le reste de la page |
164 | $_COOKIE['ORGdomain'] = $domain; | |
e74411f7 | 165 | } |
c0799142 | 166 | S::kill('challenge'); |
732e5855 | 167 | S::logger($uid)->log('auth_ok'); |
c0799142 FB |
168 | } |
169 | return $uid; | |
170 | } | |
cab08090 | 171 | |
c0799142 FB |
172 | protected function startSessionAs($uid, $level) |
173 | { | |
174 | if ((!is_null(S::v('user')) && S::i('user') != $uid) || (S::has('uid') && S::i('uid') != $uid)) { | |
175 | return false; | |
176 | } else if (S::has('uid')) { | |
177 | return true; | |
178 | } | |
179 | if ($level == -1) { | |
180 | S::set('auth', AUTH_COOKIE); | |
181 | } | |
182 | unset($_SESSION['log']); | |
6672b29b VZ |
183 | |
184 | // Retrieves main user properties. | |
c0799142 FB |
185 | $res = XDB::query('SELECT u.user_id AS uid, prenom, prenom_ini, nom, nom_ini, nom_usage, perms, promo, promo_sortie, |
186 | matricule, password, FIND_IN_SET(\'femme\', u.flags) AS femme, | |
187 | a.alias AS forlife, a2.alias AS bestalias, | |
188 | q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash, | |
1610f13a | 189 | FIND_IN_SET(\'watch\', u.flags) AS watch_account, q.last_version, g.g_account_name IS NOT NULL AS googleapps |
c0799142 FB |
190 | FROM auth_user_md5 AS u |
191 | INNER JOIN auth_user_quick AS q USING(user_id) | |
192 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type = \'a_vie\') | |
193 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET(\'bestalias\', a2.flags)) | |
1610f13a | 194 | LEFT JOIN gapps_accounts AS g ON (u.user_id = g.l_userid AND g.g_status = \'active\') |
c0799142 FB |
195 | WHERE u.user_id = {?} AND u.perms IN(\'admin\', \'user\')', $uid); |
196 | $sess = $res->fetchOneAssoc(); | |
197 | $perms = $sess['perms']; | |
198 | unset($sess['perms']); | |
6672b29b VZ |
199 | |
200 | // Retrieves account usage information (last login, last host). | |
c0799142 FB |
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 | |
205 | LIMIT 1', $uid); | |
206 | if ($res->numRows()) { | |
207 | $sess = array_merge($sess, $res->fetchOneAssoc()); | |
208 | } | |
c0799142 | 209 | |
6672b29b VZ |
210 | // Loads the data into the real session. |
211 | $_SESSION = array_merge($_SESSION, $sess); | |
212 | ||
213 | // Starts the session's logger, and sets up the permanent cookie. | |
214 | if (S::has('suid')) { | |
215 | $suid = S::v('suid'); | |
e4501b51 | 216 | $logger = S::logger($uid); |
6672b29b | 217 | $logger->log("suid_start", S::v('forlife') . " by " . $suid['uid']); |
c0799142 | 218 | } else { |
e4501b51 | 219 | $logger = S::logger($uid); |
c0799142 | 220 | setcookie('ORGuid', $uid, (time() + 25920000), '/', '', 0); |
a90cde48 | 221 | |
d0621f88 | 222 | if (S::i('auth_by_cookie') == $uid || Post::v('remember', 'false') == 'true') { |
c0799142 FB |
223 | $cookie = hash_encrypt($sess['password']); |
224 | setcookie('ORGaccess', $cookie, (time() + 25920000), '/', '', 0); | |
d0621f88 | 225 | if ($logger && S::i('auth_by_cookie') != $uid) { |
c0799142 | 226 | $logger->log("cookie_on"); |
63528107 | 227 | } |
c0799142 FB |
228 | } else { |
229 | setcookie('ORGaccess', '', time() - 3600, '/', '', 0); | |
230 | if ($logger) { | |
231 | $logger->log("cookie_off"); | |
0337d704 | 232 | } |
0337d704 | 233 | } |
63528107 | 234 | } |
b0b937fd | 235 | |
6672b29b | 236 | // Finalizes the session setup. |
c0799142 FB |
237 | $this->makePerms($perms); |
238 | $this->securityChecks(); | |
239 | $this->setSkin(); | |
ebfdf077 | 240 | $this->updateNbNotifs(); |
c0799142 | 241 | check_redirect(); |
d0621f88 FB |
242 | |
243 | // We should not have to use this private data anymore | |
244 | S::kill('auth_by_cookie'); | |
c0799142 | 245 | return true; |
0337d704 | 246 | } |
247 | ||
c0799142 | 248 | private function securityChecks() |
0337d704 | 249 | { |
c0799142 FB |
250 | $mail_subject = array(); |
251 | if (check_account()) { | |
252 | $mail_subject[] = 'Connexion d\'un utilisateur surveillé'; | |
0337d704 | 253 | } |
c0799142 FB |
254 | if (check_ip('unsafe')) { |
255 | $mail_subject[] = 'Une IP surveillee a tente de se connecter'; | |
256 | if (check_ip('ban')) { | |
257 | send_warning_mail(implode(' - ', $mail_subject)); | |
258 | $this->destroy(); | |
259 | Platal::page()->kill('Une erreur est survenue lors de la procédure d\'authentification. ' | |
260 | . 'Merci de contacter au plus vite ' | |
261 | . '<a href="mailto:support@polytechnique.org">support@polytechnique.org</a>'); | |
262 | return false; | |
263 | } | |
0337d704 | 264 | } |
c0799142 FB |
265 | if (count($mail_subject)) { |
266 | send_warning_mail(implode(' - ', $mail_subject)); | |
0337d704 | 267 | } |
268 | } | |
269 | ||
0d44ce42 FB |
270 | public function tokenAuth($login, $token) |
271 | { | |
272 | // FIXME: we broke the session here because some RSS feeds (mainly wiki feeds) require | |
273 | // a valid nome and checks the permissions. When the PlUser object will be ready, we'll | |
274 | // be able to return a simple 'PlUser' object here without trying to alterate the | |
275 | // session. | |
276 | $res = XDB::query('SELECT u.user_id AS uid, u.perms, u.nom, u.nom_usage, u.prenom, u.promo, FIND_IN_SET(\'femme\', u.flags) AS sexe | |
277 | FROM aliases AS a | |
278 | INNER JOIN auth_user_md5 AS u ON (a.id = u.user_id AND u.perms IN ("admin", "user")) | |
279 | INNER JOIN auth_user_quick AS q ON (a.id = q.user_id AND q.core_rss_hash = {?}) | |
280 | WHERE a.alias = {?} AND a.type != "homonyme"', $token, $login); | |
281 | if ($res->numRows() == 1) { | |
282 | $sess = $res->fetchOneAssoc(); | |
283 | if (!S::has('uid')) { | |
284 | $_SESSION = $sess; | |
285 | $this->makePerms($sess['perms']); | |
286 | return S::i('uid'); | |
287 | } else if (S::i('uid') == $sess['uid']) { | |
288 | return S::i('uid'); | |
289 | } else { | |
290 | Platal::page()->kill('Invalid state. To be fixed when hruid is ready'); | |
291 | } | |
292 | } | |
293 | return null; | |
294 | } | |
295 | ||
732e5855 | 296 | public function makePerms($perm) |
bf517daf | 297 | { |
113f6de8 | 298 | $flags = new PlFlagSet(); |
bf517daf | 299 | if ($perm == 'disabled' || $perm == 'ext') { |
ab694eb5 | 300 | S::set('perms', $flags); |
ab694eb5 | 301 | return; |
bf517daf | 302 | } |
303 | $flags->addFlag(PERMS_USER); | |
304 | if ($perm == 'admin') { | |
305 | $flags->addFlag(PERMS_ADMIN); | |
306 | } | |
c0799142 | 307 | S::set('perms', $flags); |
bf517daf | 308 | } |
309 | ||
c0799142 FB |
310 | public function setSkin() |
311 | { | |
312 | global $globals; | |
313 | if (S::logged() && (!S::has('skin') || S::has('suid'))) { | |
314 | $uid = S::v('uid'); | |
315 | $res = XDB::query("SELECT skin_tpl | |
316 | FROM auth_user_quick AS a | |
317 | INNER JOIN skins AS s ON a.skin = s.id | |
318 | WHERE user_id = {?} AND skin_tpl != ''", $uid); | |
319 | S::set('skin', $res->fetchOneCell()); | |
5480a216 | 320 | } |
321 | } | |
0337d704 | 322 | |
c0799142 FB |
323 | public function sureLevel() |
324 | { | |
325 | return AUTH_MDP; | |
0337d704 | 326 | } |
ebfdf077 FB |
327 | |
328 | ||
329 | public function updateNbNotifs() | |
330 | { | |
331 | require_once 'notifs.inc.php'; | |
332 | $n = select_notifs(false, S::i('uid'), S::v('watch_last'), false); | |
333 | S::set('notifs', $n->numRows()); | |
334 | } | |
0337d704 | 335 | } |
336 | ||
a7de4ef7 | 337 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 338 | ?> |