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1 | <?php |
2 | /*************************************************************************** |
50a40a33 |
3 | * Copyright (C) 2003-2006 Polytechnique.org * |
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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 | require_once('platal/session.inc.php'); |
23 | |
24 | // {{{ class XorgSession |
25 | |
26 | class XorgSession extends DiogenesCoreSession |
27 | { |
28 | // {{{ function XorgSession() |
29 | |
30 | function XorgSession() |
31 | { |
32 | $this->DiogenesCoreSession(); |
33 | if (!Session::has('uid')) { |
34 | try_cookie(); |
35 | } |
36 | set_skin(); |
37 | } |
38 | |
39 | // }}} |
40 | // {{{ function init |
41 | |
42 | function init() { |
43 | @session_start(); |
44 | if (!Session::has('session')) { |
45 | $_SESSION['session'] = new XorgSession; |
46 | } |
47 | } |
48 | |
49 | // }}} |
50 | // {{{ function destroy() |
51 | |
52 | function destroy() { |
53 | @session_destroy(); |
54 | unset($_SESSION); |
55 | XorgSession::init(); |
56 | } |
57 | |
58 | // }}} |
59 | // {{{ function doAuth() |
60 | |
61 | /** Try to do an authentication. |
62 | * |
63 | * @param page the calling page (by reference) |
64 | */ |
65 | function doAuth(&$page,$new_name=false) |
66 | { |
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67 | global $globals; |
68 | if (identified()) { // ok, c'est bon, on n'a rien à faire |
69 | return true; |
70 | } |
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71 | |
72 | if (Session::has('session')) { |
73 | $session =& Session::getMixed('session'); |
74 | } |
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75 | if (Env::has('username') && Env::has('response') && isset($session->challenge)) |
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76 | { |
77 | // si on vient de recevoir une identification par passwordpromptscreen.tpl |
78 | // ou passwordpromptscreenlogged.tpl |
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79 | $uname = Env::get('username'); |
80 | |
81 | if (Env::get('domain') == "alias") { |
82 | |
83 | $res = $globals->xdb->query( |
84 | "SELECT redirect |
85 | FROM virtual |
86 | INNER JOIN virtual_redirect USING(vid) |
87 | WHERE alias LIKE {?}", $uname."@".$globals->mail->alias_dom); |
88 | $redirect = $res->fetchOneCell(); |
89 | if ($redirect) { |
90 | $login = substr($redirect, 0, strpos($redirect, '@')); |
91 | } else { |
92 | $login = ""; |
93 | } |
94 | } else { |
95 | $login = $uname; |
96 | } |
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97 | |
98 | $field = (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias'; |
99 | $res = $globals->xdb->query( |
100 | "SELECT u.user_id, u.password |
101 | FROM auth_user_md5 AS u |
102 | INNER JOIN aliases AS a ON ( a.id=u.user_id AND type!='homonyme' ) |
103 | WHERE a.$field = {?} AND u.perms IN('admin','user')", $login); |
104 | |
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105 | $logger =& Session::getMixed('log'); |
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106 | if (list($uid, $password) = $res->fetchOneRow()) { |
107 | require_once('secure_hash.inc.php'); |
108 | $expected_response=hash_encrypt("$uname:$password:{$session->challenge}"); |
109 | // le password de la base est peut-être encore encodé en md5 |
110 | if (Env::get('response') != $expected_response) { |
111 | $new_password = hash_xor(Env::get('xorpass'), $password); |
112 | $expected_response = hash_encrypt("$uname:$new_password:{$session->challenge}"); |
113 | if (Env::get('response') == $expected_response) { |
114 | $globals->xdb->execute("UPDATE auth_user_md5 SET password = {?} WHERE user_id = {?}", $new_password, $uid); |
115 | } |
116 | } |
117 | if (Env::get('response') == $expected_response) { |
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118 | if (Env::has('domain')) { |
119 | if (($domain = Env::get('domain', 'login')) == 'alias') { |
120 | setcookie('ORGdomain', "alias", (time()+25920000), '/', '', 0); |
121 | } else { |
122 | setcookie('ORGdomain', '', (time()-3600), '/', '', 0); |
123 | } |
124 | // pour que la modification soit effective dans le reste de la page |
125 | $_COOKIE['ORGdomain'] = $domain; |
126 | } |
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127 | |
128 | unset($session->challenge); |
129 | if ($logger) { |
130 | $logger->log('auth_ok'); |
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131 | } |
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132 | start_connexion($uid, true); |
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133 | if (Env::get('remember', 'false') == 'true') { |
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134 | $cookie = hash_encrypt(Session::get('password')); |
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135 | setcookie('ORGaccess',$cookie,(time()+25920000),'/','',0); |
136 | if ($logger) { |
137 | $logger->log("cookie_on"); |
138 | } |
139 | } else { |
140 | setcookie('ORGaccess', '', time() - 3600, '/', '', 0); |
141 | |
142 | if ($logger) { |
143 | $logger->log("cookie_off"); |
144 | } |
145 | } |
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146 | return true; |
147 | } elseif ($logger) { |
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148 | $logger->log('auth_fail','bad password'); |
149 | } |
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150 | } elseif ($logger) { |
151 | $logger->log('auth_fail','bad login'); |
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152 | } |
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153 | } |
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154 | $this->doLogin($page,$new_name); |
155 | } |
156 | |
157 | // }}} |
158 | // {{{ function doAuthCookie() |
159 | |
160 | /** Try to do a cookie-based authentication. |
161 | * |
162 | * @param page the calling page (by reference) |
163 | */ |
164 | function doAuthCookie(&$page) |
165 | { |
166 | if (logged()) { |
167 | return; |
168 | } |
169 | |
170 | if (Env::has('username') and Env::has('response')) { |
171 | return $this->doAuth($page); |
172 | } |
173 | |
174 | if ($r = try_cookie()) { |
175 | return $this->doAuth($page,($r>0)); |
176 | } |
177 | } |
178 | |
179 | // }}} |
180 | // {{{ function doLogin() |
181 | |
182 | /** Display login screen. |
183 | */ |
184 | function doLogin(&$page, $new_name=false) |
185 | { |
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186 | if (logged() and !$new_name) { |
187 | $page->changeTpl('password_prompt_logged.tpl'); |
188 | $page->addJsLink('javascript/do_challenge_response_logged.js.php'); |
189 | $page->assign("xorg_tpl", "password_prompt_logged.tpl"); |
190 | $page->run(); |
191 | } else { |
192 | $page->changeTpl('password_prompt.tpl'); |
193 | $page->addJsLink('javascript/do_challenge_response.js.php'); |
194 | $page->assign("xorg_tpl", "password_prompt.tpl"); |
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195 | |
196 | global $globals; |
197 | if ($globals->mail->alias_dom) { |
198 | $page->assign("domains", Array( |
199 | $globals->mail->domain."/".$globals->mail->domain2, |
200 | $globals->mail->alias_dom."/".$globals->mail->alias_dom2)); |
201 | $page->assign("domains_value", Array("login", "alias")); |
202 | $page->assign("r_domain", Cookie::get('ORGdomain', 'login')); |
203 | } |
204 | $page->run(); |
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205 | } |
206 | exit; |
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207 | } |
208 | |
209 | // }}} |
210 | // {{{ function getUserId() |
211 | |
212 | function getUserId($auth,$username) |
213 | { |
214 | global $globals; |
215 | $res = $globals->xdb->query("SELECT id FROM aliases WHERE alias = {?}",$username); |
216 | return $res->fetchOneCell(); |
217 | } |
218 | |
219 | // }}} |
220 | // {{{ function getUsername() |
221 | |
222 | function getUsername($auth,$uid) |
223 | { |
224 | global $globals; |
225 | $res = $globals->xdb->query("SELECT alias FROM aliases WHERE id = {?} AND type='a_vie'", $uid); |
226 | return $res->fetchOneCell(); |
227 | } |
228 | |
229 | // }}} |
230 | } |
231 | |
232 | // }}} |
233 | // {{{ function try_cookie() |
234 | |
235 | /** réalise la récupération de $_SESSION pour qqn avec cookie |
236 | * @return int 0 if all OK, -1 if no cookie, 1 if cookie with bad hash, |
237 | * -2 should not happen |
238 | */ |
239 | function try_cookie() |
240 | { |
241 | global $globals; |
242 | if (Cookie::get('ORGaccess') == '' or !Cookie::has('ORGuid')) { |
243 | return -1; |
244 | } |
245 | |
246 | $res = @$globals->xdb->query( |
247 | "SELECT user_id,password FROM auth_user_md5 WHERE user_id = {?} AND perms IN('admin','user')", |
248 | Cookie::getInt('ORGuid') |
249 | ); |
250 | if ($res->numRows() != 0) { |
251 | list($uid, $password) = $res->fetchOneRow(); |
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252 | require_once('secure_hash.inc.php'); |
253 | $expected_value = hash_encrypt($password); |
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254 | if ($expected_value == Cookie::get('ORGaccess')) { |
255 | start_connexion($uid, false); |
256 | return 0; |
257 | } else { |
258 | return 1; |
259 | } |
260 | } |
261 | |
262 | return -2; |
263 | } |
264 | |
265 | // }}} |
266 | // {{{ function start_connexion() |
267 | |
268 | /** place les variables de session dépendants de auth_user_md5 |
269 | * et met à jour les dates de dernière connexion si nécessaire |
270 | * @return void |
271 | * @see controlpermanent.inc.php controlauthentication.inc.php |
272 | */ |
273 | function start_connexion ($uid, $identified) |
274 | { |
275 | global $globals; |
276 | $res = $globals->xdb->query(" |
277 | SELECT u.user_id AS uid, prenom, nom, perms, promo, matricule, password, FIND_IN_SET('femme', u.flags) AS femme, |
278 | UNIX_TIMESTAMP(s.start) AS lastlogin, s.host, a.alias AS forlife, a2.alias AS bestalias, |
279 | q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash |
280 | FROM auth_user_md5 AS u |
281 | INNER JOIN auth_user_quick AS q USING(user_id) |
282 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
283 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
284 | LEFT JOIN logger.sessions AS s ON (s.uid=u.user_id AND s.suid=0) |
285 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
286 | ORDER BY s.start DESC |
287 | LIMIT 1", $uid); |
288 | $sess = $res->fetchOneAssoc(); |
289 | $suid = Session::getMixed('suid'); |
290 | |
291 | if ($suid) { |
292 | $logger = new DiogenesCoreLogger($uid, $suid); |
293 | $logger->log("suid_start", Session::get('forlife')." by {$suid['uid']}"); |
294 | $sess['suid'] = $suid; |
295 | } else { |
296 | $logger = Session::getMixed('log', new DiogenesCoreLogger($uid)); |
297 | $logger->log("connexion", $_SERVER['PHP_SELF']); |
298 | setcookie('ORGuid', $uid, (time()+25920000), '/', '', 0); |
299 | } |
300 | |
301 | $_SESSION = $sess; |
302 | $_SESSION['log'] = $logger; |
303 | $_SESSION['auth'] = ($identified ? AUTH_MDP : AUTH_COOKIE); |
304 | set_skin(); |
305 | } |
306 | |
307 | // }}} |
308 | // {{{ function set_skin() |
309 | |
310 | function set_skin() |
311 | { |
312 | global $globals; |
313 | if (logged() && $globals->skin->enable) { |
314 | $uid = Session::getInt('uid'); |
315 | $res = $globals->xdb->query("SELECT skin,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 != ''", $uid); |
319 | if (list($_SESSION['skin_id'], $_SESSION['skin']) = $res->fetchOneRow()) { |
320 | return; |
321 | } |
322 | } |
323 | if ($globals->skin->enable) { |
324 | $_SESSION['skin'] = $globals->skin->def_tpl; |
325 | $_SESSION['skin_id'] = $globals->skin->def_id; |
326 | } else { |
327 | $_SESSION['skin'] = 'default.tpl'; |
328 | $_SESSION['skin_id'] = -1; |
329 | } |
330 | } |
331 | |
332 | // }}} |
333 | |
334 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
335 | ?> |