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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()) { |
9d214e8e | 40 | S::logger()->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 | |
c67ba12a FB |
54 | $res = XDB::query('SELECT uid, password |
55 | FROM accounts | |
56 | WHERE uid = {?} AND state = \'active\'', | |
c0799142 FB |
57 | Cookie::i('ORGuid')); |
58 | if ($res->numRows() != 0) { | |
59 | list($uid, $password) = $res->fetchOneRow(); | |
c67ba12a | 60 | $expected_value = sha1($password); |
c0799142 FB |
61 | if ($expected_value == Cookie::v('ORGaccess')) { |
62 | S::set('auth_by_cookie', $uid); | |
63 | return 0; | |
64 | } else { | |
65 | return 1; | |
66 | } | |
67 | } | |
68 | return -2; | |
69 | } | |
70 | ||
71 | private function checkPassword($uname, $login, $response, $login_type) | |
5480a216 | 72 | { |
c67ba12a FB |
73 | $res = XDB::query('SELECT a.uid, a.password |
74 | FROM accounts AS a | |
75 | INNER JOIN aliases AS l ON (l.id = a.uid AND l.type != \'homonyme\') | |
76 | WHERE l.' . $login_type . ' = {?} AND a.state = \'active\'', | |
c0799142 FB |
77 | $login); |
78 | if (list($uid, $password) = $res->fetchOneRow()) { | |
c67ba12a FB |
79 | $expected_response = sha1("$uname:$password:" . S::v('challenge')); |
80 | /* XXX: Deprecates len(password) > 10 conversion */ | |
c0799142 | 81 | if ($response != $expected_response) { |
732e5855 | 82 | S::logger($uid)->log('auth_fail', 'bad password'); |
c0799142 FB |
83 | return null; |
84 | } | |
85 | return $uid; | |
86 | } | |
87 | return null; | |
0337d704 | 88 | } |
cab08090 | 89 | |
0337d704 | 90 | |
c0799142 FB |
91 | /** Check auth. |
92 | */ | |
93 | protected function doAuth($level) | |
0337d704 | 94 | { |
e74411f7 | 95 | global $globals; |
c0799142 FB |
96 | |
97 | /* Cookie authentication | |
98 | */ | |
99 | if ($level == AUTH_COOKIE && !S::has('auth_by_cookie')) { | |
100 | $this->tryCookie(); | |
101 | } | |
102 | if ($level == AUTH_COOKIE && S::has('auth_by_cookie')) { | |
103 | if (!S::logged()) { | |
104 | S::set('auth', AUTH_COOKIE); | |
105 | } | |
106 | return S::i('auth_by_cookie'); | |
e74411f7 | 107 | } |
0337d704 | 108 | |
c0799142 FB |
109 | |
110 | /* We want to do auth... we must have infos from a form. | |
111 | */ | |
e64c8b61 | 112 | if (!Post::has('username') || !Post::has('response') || !S::has('challenge')) { |
c0799142 | 113 | return null; |
63528107 | 114 | } |
115 | ||
c0799142 FB |
116 | /** We come from an authentication form. |
117 | */ | |
e74411f7 | 118 | if (S::has('suid')) { |
c0799142 | 119 | $suid = S::v('suid'); |
888465dd | 120 | $login = $uname = $suid['uid']; |
e74411f7 | 121 | $redirect = false; |
122 | } else { | |
123 | $uname = Env::v('username'); | |
e74411f7 | 124 | if (Env::v('domain') == "alias") { |
c0799142 FB |
125 | $res = XDB::query('SELECT redirect |
126 | FROM virtual | |
127 | INNER JOIN virtual_redirect USING(vid) | |
128 | WHERE alias LIKE {?}', | |
129 | $uname . '@' . $globals->mail->alias_dom); | |
e74411f7 | 130 | $redirect = $res->fetchOneCell(); |
131 | if ($redirect) { | |
132 | $login = substr($redirect, 0, strpos($redirect, '@')); | |
133 | } else { | |
c0799142 | 134 | $login = ''; |
e74411f7 | 135 | } |
0337d704 | 136 | } else { |
e74411f7 | 137 | $login = $uname; |
138 | $redirect = false; | |
0337d704 | 139 | } |
63528107 | 140 | } |
cab08090 | 141 | |
888465dd FB |
142 | $uid = $this->checkPassword($uname, $login, Post::v('response'), (!$redirect && is_numeric($uname)) ? 'id' : 'alias'); |
143 | if (!is_null($uid) && S::has('suid')) { | |
144 | $suid = S::v('suid'); | |
145 | if ($suid['uid'] == $uid) { | |
146 | $uid = S::i('uid'); | |
147 | } else { | |
148 | $uid = null; | |
149 | } | |
150 | } | |
c0799142 FB |
151 | if (!is_null($uid)) { |
152 | S::set('auth', AUTH_MDP); | |
888465dd FB |
153 | if (!S::has('suid')) { |
154 | if (Post::has('domain')) { | |
155 | if (($domain = Post::v('domain', 'login')) == 'alias') { | |
156 | setcookie('ORGdomain', "alias", (time() + 25920000), '/', '', 0); | |
157 | } else { | |
158 | setcookie('ORGdomain', '', (time() - 3600), '/', '', 0); | |
159 | } | |
160 | // pour que la modification soit effective dans le reste de la page | |
161 | $_COOKIE['ORGdomain'] = $domain; | |
e74411f7 | 162 | } |
163 | } | |
c0799142 | 164 | S::kill('challenge'); |
732e5855 | 165 | S::logger($uid)->log('auth_ok'); |
c0799142 FB |
166 | } |
167 | return $uid; | |
168 | } | |
cab08090 | 169 | |
c0799142 FB |
170 | protected function startSessionAs($uid, $level) |
171 | { | |
172 | if ((!is_null(S::v('user')) && S::i('user') != $uid) || (S::has('uid') && S::i('uid') != $uid)) { | |
173 | return false; | |
174 | } else if (S::has('uid')) { | |
175 | return true; | |
176 | } | |
888465dd FB |
177 | if ($level == AUTH_SUID) { |
178 | S::set('auth', AUTH_MDP); | |
9d214e8e | 179 | unset($_SESSION['log']); |
c0799142 | 180 | } |
70232020 | 181 | |
6672b29b | 182 | // Retrieves main user properties. |
4182c6b5 FB |
183 | /** TODO: Move needed informations to account tables */ |
184 | /** TODO: Currently suppressed data are matricule, promo */ | |
185 | /** TODO: Data to move are: banana_last, watch_last, last_version */ | |
186 | /** TODO: Switch to new permission system */ | |
187 | $res = XDB::query("SELECT a.uid, a.hruid, a.display_name, a.full_name, a.password, | |
188 | a.sex = 'female' AS femme, a.mail_format as mail_fmt, | |
189 | a.token, FIND_IN_SET('watch', a.flags) AS watch_account, | |
190 | UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, | |
191 | q.last_version, g.g_account_name IS NOT NULL AS googleapps, | |
192 | UNIX_TIMESTAMP(s.start) AS lastlogin, s.host, | |
193 | IF(a.is_admin, 'admin', 'user') AS perms | |
194 | FROM accounts AS a | |
195 | INNER JOIN auth_user_quick AS q ON(a.uid = q.user_id) | |
196 | LEFT JOIN gapps_accounts AS g ON(a.uid = g.l_userid AND g.g_status = 'active') | |
197 | LEFT JOIN logger.last_sessions AS ls ON (ls.uid = a.uid) | |
6a61c46d | 198 | LEFT JOIN logger.sessions AS s ON(s.id = ls.id) |
4182c6b5 | 199 | WHERE a.uid = {?} AND a.state = 'active'", $uid); |
c0799142 FB |
200 | $sess = $res->fetchOneAssoc(); |
201 | $perms = $sess['perms']; | |
202 | unset($sess['perms']); | |
6672b29b | 203 | |
6672b29b VZ |
204 | // Loads the data into the real session. |
205 | $_SESSION = array_merge($_SESSION, $sess); | |
206 | ||
207 | // Starts the session's logger, and sets up the permanent cookie. | |
208 | if (S::has('suid')) { | |
209 | $suid = S::v('suid'); | |
e4501b51 | 210 | $logger = S::logger($uid); |
d0b64586 | 211 | $logger->log("suid_start", S::v('hruid') . " by " . $suid['hruid']); |
c0799142 | 212 | } else { |
e4501b51 | 213 | $logger = S::logger($uid); |
4ea44525 | 214 | $logger->saveLastSession(); |
c0799142 | 215 | setcookie('ORGuid', $uid, (time() + 25920000), '/', '', 0); |
a90cde48 | 216 | |
d0621f88 | 217 | if (S::i('auth_by_cookie') == $uid || Post::v('remember', 'false') == 'true') { |
c67ba12a | 218 | $cookie = sha1($sess['password']); |
c0799142 | 219 | setcookie('ORGaccess', $cookie, (time() + 25920000), '/', '', 0); |
9d214e8e | 220 | if (S::i('auth_by_cookie') != $uid) { |
c0799142 | 221 | $logger->log("cookie_on"); |
63528107 | 222 | } |
c0799142 FB |
223 | } else { |
224 | setcookie('ORGaccess', '', time() - 3600, '/', '', 0); | |
9d214e8e | 225 | $logger->log("cookie_off"); |
0337d704 | 226 | } |
63528107 | 227 | } |
b0b937fd | 228 | |
6672b29b | 229 | // Finalizes the session setup. |
50d5ec0b | 230 | S::set('perms', User::makePerms($perms)); |
c0799142 FB |
231 | $this->securityChecks(); |
232 | $this->setSkin(); | |
ebfdf077 | 233 | $this->updateNbNotifs(); |
c0799142 | 234 | check_redirect(); |
d0621f88 FB |
235 | |
236 | // We should not have to use this private data anymore | |
237 | S::kill('auth_by_cookie'); | |
c0799142 | 238 | return true; |
0337d704 | 239 | } |
240 | ||
c0799142 | 241 | private function securityChecks() |
0337d704 | 242 | { |
c0799142 FB |
243 | $mail_subject = array(); |
244 | if (check_account()) { | |
245 | $mail_subject[] = 'Connexion d\'un utilisateur surveillé'; | |
0337d704 | 246 | } |
c0799142 FB |
247 | if (check_ip('unsafe')) { |
248 | $mail_subject[] = 'Une IP surveillee a tente de se connecter'; | |
249 | if (check_ip('ban')) { | |
250 | send_warning_mail(implode(' - ', $mail_subject)); | |
251 | $this->destroy(); | |
252 | Platal::page()->kill('Une erreur est survenue lors de la procédure d\'authentification. ' | |
253 | . 'Merci de contacter au plus vite ' | |
254 | . '<a href="mailto:support@polytechnique.org">support@polytechnique.org</a>'); | |
255 | return false; | |
256 | } | |
0337d704 | 257 | } |
c0799142 FB |
258 | if (count($mail_subject)) { |
259 | send_warning_mail(implode(' - ', $mail_subject)); | |
0337d704 | 260 | } |
261 | } | |
262 | ||
0d44ce42 FB |
263 | public function tokenAuth($login, $token) |
264 | { | |
c67ba12a FB |
265 | $res = XDB::query('SELECT a.hruid |
266 | FROM aliases AS l | |
267 | INNER JOIN accounts AS a ON (l.id = a.uid AND a.state = \'active\') | |
268 | WHERE a.token = {?} AND l.alias = {?} AND l.type != \'homonyme\'', | |
269 | $token, $login); | |
0d44ce42 | 270 | if ($res->numRows() == 1) { |
50d5ec0b FB |
271 | $data = $res->fetchOneAssoc(); |
272 | return new User($data['hruid'], $data); | |
0d44ce42 FB |
273 | } |
274 | return null; | |
275 | } | |
276 | ||
732e5855 | 277 | public function makePerms($perm) |
bf517daf | 278 | { |
113f6de8 | 279 | $flags = new PlFlagSet(); |
bf517daf | 280 | if ($perm == 'disabled' || $perm == 'ext') { |
ab694eb5 | 281 | S::set('perms', $flags); |
ab694eb5 | 282 | return; |
bf517daf | 283 | } |
284 | $flags->addFlag(PERMS_USER); | |
285 | if ($perm == 'admin') { | |
286 | $flags->addFlag(PERMS_ADMIN); | |
287 | } | |
c0799142 | 288 | S::set('perms', $flags); |
bf517daf | 289 | } |
290 | ||
c0799142 FB |
291 | public function setSkin() |
292 | { | |
c0799142 FB |
293 | if (S::logged() && (!S::has('skin') || S::has('suid'))) { |
294 | $uid = S::v('uid'); | |
c67ba12a FB |
295 | $res = XDB::query('SELECT skin_tpl |
296 | FROM accounts AS a | |
297 | INNER JOIN skins AS s on (a.skin = s.id) | |
298 | WHERE a.uid = {?} AND skin_tpl != \'\'', S::i('uid')); | |
c0799142 | 299 | S::set('skin', $res->fetchOneCell()); |
5480a216 | 300 | } |
301 | } | |
0337d704 | 302 | |
faa06583 FB |
303 | public function loggedLevel() |
304 | { | |
305 | return AUTH_COOKIE; | |
306 | } | |
307 | ||
c0799142 FB |
308 | public function sureLevel() |
309 | { | |
310 | return AUTH_MDP; | |
0337d704 | 311 | } |
ebfdf077 FB |
312 | |
313 | ||
314 | public function updateNbNotifs() | |
315 | { | |
316 | require_once 'notifs.inc.php'; | |
317 | $n = select_notifs(false, S::i('uid'), S::v('watch_last'), false); | |
318 | S::set('notifs', $n->numRows()); | |
319 | } | |
0337d704 | 320 | } |
321 | ||
a7de4ef7 | 322 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 323 | ?> |