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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 | |
b76f0797 |
22 | require_once dirname(__FILE__).'/../../classes/Session.php'; |
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23 | |
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24 | class XorgSession |
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25 | { |
cab08090 |
26 | // {{{ function init |
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27 | |
cab08090 |
28 | function init() { |
29 | S::init(); |
30 | if (!S::has('uid')) { |
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31 | try_cookie(); |
32 | } |
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33 | } |
34 | |
35 | // }}} |
0337d704 |
36 | // {{{ function destroy() |
cab08090 |
37 | |
0337d704 |
38 | function destroy() { |
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39 | S::destroy(); |
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40 | XorgSession::init(); |
41 | } |
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42 | |
0337d704 |
43 | // }}} |
44 | // {{{ function doAuth() |
45 | |
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46 | function doAuth($new_name = false) |
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47 | { |
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48 | global $globals; |
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49 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
46bde4d1 |
50 | return true; |
51 | } |
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52 | |
63528107 |
53 | if (!Env::has('username') || !Env::has('response') |
54 | || !S::has('challenge')) |
55 | { |
56 | return false; |
57 | } |
58 | |
59 | // si on vient de recevoir une identification par passwordpromptscreen.tpl |
60 | // ou passwordpromptscreenlogged.tpl |
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61 | $uname = Env::v('username'); |
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62 | |
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63 | if (Env::v('domain') == "alias") { |
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64 | |
65 | $res = XDB::query( |
66 | "SELECT redirect |
67 | FROM virtual |
68 | INNER JOIN virtual_redirect USING(vid) |
69 | WHERE alias LIKE {?}", $uname."@".$globals->mail->alias_dom); |
70 | $redirect = $res->fetchOneCell(); |
71 | if ($redirect) { |
72 | $login = substr($redirect, 0, strpos($redirect, '@')); |
0337d704 |
73 | } else { |
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74 | $login = ""; |
0337d704 |
75 | } |
63528107 |
76 | } else { |
77 | $login = $uname; |
78 | } |
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79 | |
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80 | $field = (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias'; |
81 | $res = XDB::query( |
82 | "SELECT u.user_id, u.password |
83 | FROM auth_user_md5 AS u |
84 | INNER JOIN aliases AS a ON ( a.id=u.user_id AND type!='homonyme' ) |
85 | WHERE a.$field = {?} AND u.perms IN('admin','user')", $login); |
86 | |
87 | $logger =& S::v('log'); |
88 | if (list($uid, $password) = $res->fetchOneRow()) { |
89 | require_once('secure_hash.inc.php'); |
90 | $expected_response=hash_encrypt("$uname:$password:".S::v('challenge')); |
91 | // le password de la base est peut-être encore encodé en md5 |
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92 | if (Env::v('response') != $expected_response) { |
93 | $new_password = hash_xor(Env::v('xorpass'), $password); |
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94 | $expected_response = hash_encrypt("$uname:$new_password:".S::v('challenge')); |
5e2307dc |
95 | if (Env::v('response') == $expected_response) { |
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96 | XDB::execute("UPDATE auth_user_md5 SET password = {?} WHERE user_id = {?}", $new_password, $uid); |
97 | } |
98 | } |
5e2307dc |
99 | if (Env::v('response') == $expected_response) { |
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100 | if (Env::has('domain')) { |
5e2307dc |
101 | if (($domain = Env::v('domain', 'login')) == 'alias') { |
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102 | setcookie('ORGdomain', "alias", (time()+25920000), '/', '', 0); |
103 | } else { |
104 | setcookie('ORGdomain', '', (time()-3600), '/', '', 0); |
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105 | } |
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106 | // pour que la modification soit effective dans le reste de la page |
107 | $_COOKIE['ORGdomain'] = $domain; |
108 | } |
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109 | |
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110 | S::kill('challenge'); |
111 | if ($logger) { |
112 | $logger->log('auth_ok'); |
113 | } |
114 | start_connexion($uid, true); |
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115 | if (Env::v('remember', 'false') == 'true') { |
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116 | $cookie = hash_encrypt(S::v('password')); |
117 | setcookie('ORGaccess',$cookie,(time()+25920000),'/','',0); |
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118 | if ($logger) { |
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119 | $logger->log("cookie_on"); |
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120 | } |
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121 | } else { |
122 | setcookie('ORGaccess', '', time() - 3600, '/', '', 0); |
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123 | |
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124 | if ($logger) { |
125 | $logger->log("cookie_off"); |
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126 | } |
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127 | } |
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128 | return true; |
129 | } elseif ($logger) { |
130 | $logger->log('auth_fail','bad password'); |
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131 | } |
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132 | } elseif ($logger) { |
133 | $logger->log('auth_fail','bad login'); |
134 | } |
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135 | |
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136 | return false; |
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137 | } |
138 | |
139 | // }}} |
140 | // {{{ function doAuthCookie() |
141 | |
142 | /** Try to do a cookie-based authentication. |
143 | * |
144 | * @param page the calling page (by reference) |
145 | */ |
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146 | function doAuthCookie() |
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147 | { |
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148 | if (S::logged()) { |
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149 | return true; |
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150 | } |
151 | |
152 | if (Env::has('username') and Env::has('response')) { |
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153 | return XorgSession::doAuth(); |
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154 | } |
155 | |
156 | if ($r = try_cookie()) { |
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157 | return XorgSession::doAuth(($r > 0)); |
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158 | } |
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159 | |
160 | return false; |
0337d704 |
161 | } |
162 | |
163 | // }}} |
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164 | } |
165 | |
0337d704 |
166 | // {{{ function try_cookie() |
167 | |
168 | /** réalise la récupération de $_SESSION pour qqn avec cookie |
169 | * @return int 0 if all OK, -1 if no cookie, 1 if cookie with bad hash, |
170 | * -2 should not happen |
171 | */ |
172 | function try_cookie() |
173 | { |
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174 | if (Cookie::v('ORGaccess') == '' or !Cookie::has('ORGuid')) { |
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175 | return -1; |
176 | } |
177 | |
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178 | $res = @XDB::query( |
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179 | "SELECT user_id,password FROM auth_user_md5 WHERE user_id = {?} AND perms IN('admin','user')", |
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180 | Cookie::i('ORGuid') |
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181 | ); |
182 | if ($res->numRows() != 0) { |
183 | list($uid, $password) = $res->fetchOneRow(); |
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184 | require_once('secure_hash.inc.php'); |
185 | $expected_value = hash_encrypt($password); |
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186 | if ($expected_value == Cookie::v('ORGaccess')) { |
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187 | start_connexion($uid, false); |
188 | return 0; |
189 | } else { |
190 | return 1; |
191 | } |
192 | } |
193 | |
194 | return -2; |
195 | } |
196 | |
197 | // }}} |
198 | // {{{ function start_connexion() |
199 | |
200 | /** place les variables de session dépendants de auth_user_md5 |
201 | * et met à jour les dates de dernière connexion si nécessaire |
202 | * @return void |
203 | * @see controlpermanent.inc.php controlauthentication.inc.php |
204 | */ |
205 | function start_connexion ($uid, $identified) |
206 | { |
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207 | $res = XDB::query(" |
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208 | SELECT u.user_id AS uid, prenom, nom, perms, promo, matricule, password, FIND_IN_SET('femme', u.flags) AS femme, |
209 | UNIX_TIMESTAMP(s.start) AS lastlogin, s.host, a.alias AS forlife, a2.alias AS bestalias, |
210 | q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash |
211 | FROM auth_user_md5 AS u |
212 | INNER JOIN auth_user_quick AS q USING(user_id) |
213 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
214 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
215 | LEFT JOIN logger.sessions AS s ON (s.uid=u.user_id AND s.suid=0) |
216 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
217 | ORDER BY s.start DESC |
218 | LIMIT 1", $uid); |
219 | $sess = $res->fetchOneAssoc(); |
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220 | $suid = S::v('suid'); |
221 | |
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222 | if ($suid) { |
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223 | $logger = new CoreLogger($uid, $suid); |
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224 | $logger->log("suid_start", S::v('forlife')." by {$suid['uid']}"); |
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225 | $sess['suid'] = $suid; |
226 | } else { |
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227 | $logger = S::v('log', new CoreLogger($uid)); |
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228 | $logger->log("connexion", $_SERVER['PHP_SELF']); |
229 | setcookie('ORGuid', $uid, (time()+25920000), '/', '', 0); |
230 | } |
231 | |
232 | $_SESSION = $sess; |
233 | $_SESSION['log'] = $logger; |
234 | $_SESSION['auth'] = ($identified ? AUTH_MDP : AUTH_COOKIE); |
235 | set_skin(); |
236 | } |
237 | |
238 | // }}} |
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239 | |
240 | function set_skin() |
241 | { |
242 | global $globals; |
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243 | if (S::logged() && !S::has('skin')) { |
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244 | $uid = S::v('uid'); |
63528107 |
245 | $res = XDB::query("SELECT skin_tpl |
246 | FROM auth_user_quick AS a |
247 | INNER JOIN skins AS s ON a.skin = s.id |
248 | WHERE user_id = {?} AND skin_tpl != ''", $uid); |
249 | if ($_SESSION['skin'] = $res->fetchOneCell()) { |
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250 | return; |
251 | } |
252 | } |
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253 | } |
254 | |
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255 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
256 | ?> |