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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 | ||
5480a216 | 22 | require_once 'xorg.misc.inc.php'; |
23 | ||
4869f665 | 24 | class XorgSession |
0337d704 | 25 | { |
6995a9b9 | 26 | // {{{ public static function init |
4869f665 | 27 | |
787bb3d7 | 28 | public static function init() |
5480a216 | 29 | { |
cab08090 | 30 | S::init(); |
5480a216 | 31 | if (!S::has('uid')) { |
32 | try_cookie(); | |
33 | } | |
0be07aa6 | 34 | if ((check_ip('dangerous') && S::has('uid')) || check_account()) { |
5480a216 | 35 | $_SESSION['log']->log("view_page", $_SERVER['REQUEST_URI']); |
0337d704 | 36 | } |
0337d704 | 37 | } |
38 | ||
39 | // }}} | |
6995a9b9 | 40 | // {{{ public static function destroy() |
cab08090 | 41 | |
5480a216 | 42 | public static function destroy() |
43 | { | |
cab08090 | 44 | S::destroy(); |
0337d704 | 45 | XorgSession::init(); |
46 | } | |
cab08090 | 47 | |
0337d704 | 48 | // }}} |
6995a9b9 | 49 | // {{{ public static function doAuth() |
0337d704 | 50 | |
6995a9b9 | 51 | public static function doAuth($new_name = false) |
0337d704 | 52 | { |
e74411f7 | 53 | global $globals; |
a7de4ef7 | 54 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
e74411f7 | 55 | return true; |
56 | } | |
0337d704 | 57 | |
63528107 | 58 | if (!Env::has('username') || !Env::has('response') |
59 | || !S::has('challenge')) | |
60 | { | |
61 | return false; | |
62 | } | |
63 | ||
64 | // si on vient de recevoir une identification par passwordpromptscreen.tpl | |
65 | // ou passwordpromptscreenlogged.tpl | |
e74411f7 | 66 | if (S::has('suid')) { |
67 | $suid = S::v('suid'); | |
68 | $login = $uname = $suid['forlife']; | |
69 | $redirect = false; | |
70 | } else { | |
71 | $uname = Env::v('username'); | |
72 | ||
73 | if (Env::v('domain') == "alias") { | |
74 | $res = XDB::query( | |
75 | "SELECT redirect | |
76 | FROM virtual | |
77 | INNER JOIN virtual_redirect USING(vid) | |
78 | WHERE alias LIKE {?}", $uname."@".$globals->mail->alias_dom); | |
79 | $redirect = $res->fetchOneCell(); | |
80 | if ($redirect) { | |
81 | $login = substr($redirect, 0, strpos($redirect, '@')); | |
82 | } else { | |
83 | $login = ""; | |
84 | } | |
0337d704 | 85 | } else { |
e74411f7 | 86 | $login = $uname; |
87 | $redirect = false; | |
0337d704 | 88 | } |
63528107 | 89 | } |
cab08090 | 90 | |
63528107 | 91 | $field = (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias'; |
92 | $res = XDB::query( | |
93 | "SELECT u.user_id, u.password | |
94 | FROM auth_user_md5 AS u | |
95 | INNER JOIN aliases AS a ON ( a.id=u.user_id AND type!='homonyme' ) | |
96 | WHERE a.$field = {?} AND u.perms IN('admin','user')", $login); | |
97 | ||
1a013db7 | 98 | $logger = S::v('log'); |
63528107 | 99 | if (list($uid, $password) = $res->fetchOneRow()) { |
e74411f7 | 100 | require_once('secure_hash.inc.php'); |
101 | $expected_response = hash_encrypt("$uname:$password:".S::v('challenge')); | |
a7de4ef7 | 102 | // le password de la base est peut-être encore encodé en md5 |
e74411f7 | 103 | if (Env::v('response') != $expected_response) { |
104 | $new_password = hash_xor(Env::v('xorpass'), $password); | |
105 | $expected_response = hash_encrypt("$uname:$new_password:".S::v('challenge')); | |
106 | if (Env::v('response') == $expected_response) { | |
107 | XDB::execute("UPDATE auth_user_md5 SET password = {?} WHERE user_id = {?}", | |
108 | $new_password, $uid); | |
109 | } | |
110 | } | |
111 | if (Env::v('response') == $expected_response) { | |
63528107 | 112 | if (Env::has('domain')) { |
5e2307dc | 113 | if (($domain = Env::v('domain', 'login')) == 'alias') { |
63528107 | 114 | setcookie('ORGdomain', "alias", (time()+25920000), '/', '', 0); |
115 | } else { | |
116 | setcookie('ORGdomain', '', (time()-3600), '/', '', 0); | |
0337d704 | 117 | } |
63528107 | 118 | // pour que la modification soit effective dans le reste de la page |
119 | $_COOKIE['ORGdomain'] = $domain; | |
120 | } | |
cab08090 | 121 | |
63528107 | 122 | S::kill('challenge'); |
123 | if ($logger) { | |
124 | $logger->log('auth_ok'); | |
125 | } | |
5480a216 | 126 | if (!start_connexion($uid, true)) { |
127 | return false; | |
128 | } | |
5e2307dc | 129 | if (Env::v('remember', 'false') == 'true') { |
63528107 | 130 | $cookie = hash_encrypt(S::v('password')); |
131 | setcookie('ORGaccess',$cookie,(time()+25920000),'/','',0); | |
cab08090 | 132 | if ($logger) { |
63528107 | 133 | $logger->log("cookie_on"); |
0337d704 | 134 | } |
63528107 | 135 | } else { |
136 | setcookie('ORGaccess', '', time() - 3600, '/', '', 0); | |
cab08090 | 137 | |
63528107 | 138 | if ($logger) { |
139 | $logger->log("cookie_off"); | |
0337d704 | 140 | } |
0337d704 | 141 | } |
e74411f7 | 142 | return true; |
143 | } elseif ($logger) { | |
63528107 | 144 | $logger->log('auth_fail','bad password'); |
0337d704 | 145 | } |
63528107 | 146 | } elseif ($logger) { |
147 | $logger->log('auth_fail','bad login'); | |
148 | } | |
b0b937fd | 149 | |
63528107 | 150 | return false; |
0337d704 | 151 | } |
152 | ||
153 | // }}} | |
6995a9b9 | 154 | // {{{ public static function doAuthCookie() |
0337d704 | 155 | |
156 | /** Try to do a cookie-based authentication. | |
157 | * | |
158 | * @param page the calling page (by reference) | |
159 | */ | |
6995a9b9 | 160 | public static function doAuthCookie() |
787bb3d7 | 161 | |
0337d704 | 162 | { |
5480a216 | 163 | if (S::logged()) { |
164 | return true; | |
0337d704 | 165 | } |
166 | ||
5480a216 | 167 | if (Env::has('username') and Env::has('response')) { |
168 | return XorgSession::doAuth(); | |
0337d704 | 169 | } |
170 | ||
5480a216 | 171 | if ($r = try_cookie()) { |
172 | return XorgSession::doAuth(($r > 0)); | |
0337d704 | 173 | } |
f6ce9a88 | 174 | |
175 | return false; | |
0337d704 | 176 | } |
177 | ||
178 | // }}} | |
bf517daf | 179 | // {{{ public static function make_perms() |
180 | ||
181 | public static function &make_perms($perm) | |
182 | { | |
183 | $flags = new FlagSet(); | |
184 | if ($perm == 'disabled' || $perm == 'ext') { | |
185 | return $flags; | |
186 | } | |
187 | $flags->addFlag(PERMS_USER); | |
188 | if ($perm == 'admin') { | |
189 | $flags->addFlag(PERMS_ADMIN); | |
190 | } | |
191 | return $flags; | |
192 | } | |
193 | ||
194 | // }}} | |
0337d704 | 195 | } |
196 | ||
0337d704 | 197 | // {{{ function try_cookie() |
198 | ||
a7de4ef7 | 199 | /** réalise la récupération de $_SESSION pour qqn avec cookie |
0337d704 | 200 | * @return int 0 if all OK, -1 if no cookie, 1 if cookie with bad hash, |
201 | * -2 should not happen | |
202 | */ | |
203 | function try_cookie() | |
204 | { | |
5e2307dc | 205 | if (Cookie::v('ORGaccess') == '' or !Cookie::has('ORGuid')) { |
5480a216 | 206 | return -1; |
0337d704 | 207 | } |
208 | ||
08cce2ff | 209 | $res = @XDB::query( |
aa5f19ae | 210 | "SELECT user_id,password FROM auth_user_md5 |
211 | WHERE user_id = {?} AND perms IN('admin','user')", | |
212 | Cookie::i('ORGuid')); | |
213 | ||
0337d704 | 214 | if ($res->numRows() != 0) { |
5480a216 | 215 | list($uid, $password) = $res->fetchOneRow(); |
216 | require_once('secure_hash.inc.php'); | |
217 | $expected_value = hash_encrypt($password); | |
218 | if ($expected_value == Cookie::v('ORGaccess')) { | |
219 | if (!start_connexion($uid, false)) { | |
220 | return -3; | |
221 | } | |
222 | return 0; | |
223 | } else { | |
0337d704 | 224 | return 1; |
225 | } | |
226 | } | |
227 | ||
228 | return -2; | |
229 | } | |
230 | ||
231 | // }}} | |
232 | // {{{ function start_connexion() | |
233 | ||
a7de4ef7 | 234 | /** place les variables de session dépendants de auth_user_md5 |
235 | * et met à jour les dates de dernière connexion si nécessaire | |
0337d704 | 236 | * @return void |
237 | * @see controlpermanent.inc.php controlauthentication.inc.php | |
238 | */ | |
239 | function start_connexion ($uid, $identified) | |
240 | { | |
08cce2ff | 241 | $res = XDB::query(" |
1b408064 | 242 | SELECT u.user_id AS uid, nom_usage, perms, promo, promo_sortie, |
fd38b30e | 243 | matricule, password, FIND_IN_SET('femme', u.flags) AS femme, |
8af1d78f | 244 | a.alias AS forlife, a2.alias AS bestalias, |
0be07aa6 | 245 | q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash, |
1b408064 PC |
246 | FIND_IN_SET('watch', u.flags) AS watch_account, q.last_version, |
247 | nd.display AS display_name, nd.yourself AS yourself_name, | |
248 | nd.first_name AS prenom, nd.last_name AS nom | |
0337d704 | 249 | FROM auth_user_md5 AS u |
250 | INNER JOIN auth_user_quick AS q USING(user_id) | |
e74411f7 | 251 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
5480a216 | 252 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
1b408064 | 253 | INNER JOIN profile_names_display AS nd ON (u.user_id = nd.user_id) |
8af1d78f | 254 | WHERE u.user_id = {?} AND u.perms IN('admin','user')", $uid); |
0337d704 | 255 | $sess = $res->fetchOneAssoc(); |
8af1d78f FB |
256 | $res = XDB::query("SELECT UNIX_TIMESTAMP(s.start) AS lastlogin, s.host |
257 | FROM logger.sessions AS s | |
258 | WHERE s.uid = {?} AND s.suid = 0 | |
259 | ORDER BY s.start DESC | |
260 | LIMIT 1", $uid); | |
b0964579 FB |
261 | if ($res->numRows()) { |
262 | $sess = array_merge($sess, $res->fetchOneAssoc()); | |
263 | } | |
cab08090 | 264 | $suid = S::v('suid'); |
265 | ||
0337d704 | 266 | if ($suid) { |
9ffe0e77 | 267 | $logger = new CoreLogger($uid, $suid['uid']); |
e74411f7 | 268 | $logger->log("suid_start", S::v('forlife')." by {$suid['uid']}"); |
0337d704 | 269 | $sess['suid'] = $suid; |
270 | } else { | |
c4271d38 | 271 | $logger = S::v('log', new CoreLogger($uid)); |
b7d19878 | 272 | $logger->log("connexion", Env::v('n')); |
0337d704 | 273 | setcookie('ORGuid', $uid, (time()+25920000), '/', '', 0); |
274 | } | |
275 | ||
aa5f19ae | 276 | $_SESSION = array_merge($_SESSION, $sess); |
0337d704 | 277 | $_SESSION['log'] = $logger; |
278 | $_SESSION['auth'] = ($identified ? AUTH_MDP : AUTH_COOKIE); | |
bf517daf | 279 | $_SESSION['perms'] =& XorgSession::make_perms($_SESSION['perms']); |
0be07aa6 | 280 | $mail_subject = null; |
281 | if (check_account()) { | |
282 | $mail_subject = "Connexion d'un utilisateur surveillé"; | |
283 | } | |
5480a216 | 284 | if (check_ip('unsafe')) { |
0be07aa6 | 285 | if ($mail_subject) { |
286 | $mail_subject .= ' - '; | |
287 | } | |
288 | $mail_subject .= "Une IP surveillee a tente de se connecter"; | |
5480a216 | 289 | if (check_ip('ban')) { |
ee71ba92 | 290 | send_warning_mail($mail_subject); |
5480a216 | 291 | $_SESSION = array(); |
ef42a9d6 | 292 | $_SESSION['perms'] = new FlagSet(); |
5480a216 | 293 | global $page; |
ef42a9d6 | 294 | $newpage = false; |
295 | if (!$page) { | |
296 | require_once 'xorg.inc.php'; | |
297 | new_skinned_page('platal/index.tpl'); | |
298 | $newpage = true; | |
299 | } | |
a7d35093 | 300 | $page->trigError("Une erreur est survenue lors de la procédure d'authentification. " |
5480a216 | 301 | ."Merci de contacter au plus vite " |
302 | ."<a href='mailto:support@polytechnique.org'>support@polytechnique.org</a>"); | |
ef42a9d6 | 303 | if ($newpage) { |
304 | $page->run(); | |
305 | } | |
5480a216 | 306 | return false; |
307 | } | |
308 | } | |
0be07aa6 | 309 | if ($mail_subject) { |
310 | send_warning_mail($mail_subject); | |
311 | } | |
0337d704 | 312 | set_skin(); |
c557ed51 | 313 | update_NbNotifs(); |
ccdbc270 | 314 | check_redirect(); |
5480a216 | 315 | return true; |
0337d704 | 316 | } |
317 | ||
318 | // }}} | |
0337d704 | 319 | |
320 | function set_skin() | |
321 | { | |
322 | global $globals; | |
68429b3b | 323 | if (S::logged() && (!S::has('skin') || S::has('suid'))) { |
cab08090 | 324 | $uid = S::v('uid'); |
68429b3b FB |
325 | $res = XDB::query("SELECT skin_tpl |
326 | FROM auth_user_quick AS a | |
327 | INNER JOIN skins AS s ON a.skin = s.id | |
328 | WHERE user_id = {?} AND skin_tpl != ''", $uid); | |
329 | if ($_SESSION['skin'] = $res->fetchOneCell()) { | |
0337d704 | 330 | return; |
331 | } | |
332 | } | |
0337d704 | 333 | } |
334 | ||
a7de4ef7 | 335 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 336 | ?> |