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1 | <?php |
2 | /*************************************************************************** |
3 | * Copyright (C) 2003-2004 Polytechnique.org * |
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 XnetSession extends DiogenesCoreSession |
27 | { |
28 | // {{{ function XnetSession() |
29 | |
30 | function XnetSession() |
31 | { |
32 | $this->DiogenesCoreSession(); |
33 | } |
34 | |
35 | // }}} |
36 | // {{{ function init |
37 | |
38 | function init() { |
39 | global $globals; |
40 | |
41 | @session_start(); |
42 | if (!Session::has('session')) { |
43 | $_SESSION['session'] = new XnetSession; |
44 | } |
45 | if (!logged()) { |
46 | // prevent connexion to be linked to deconnexion |
47 | if (($i = strpos($_SERVER['REQUEST_URI'], 'deconnexion.php')) !== false) |
48 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
49 | else |
50 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
51 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
52 | $url .= "?session=" . session_id(); |
53 | $url .= "&challenge=" . $_SESSION['session']->challenge; |
54 | $url .= "&pass=" . md5($_SESSION['session']->challenge . $globals->xnet->secret); |
55 | $url .= "&url=".urlencode($returl); |
56 | $_SESSION['session']->loginX = $url; |
57 | } |
58 | } |
59 | |
60 | // }}} |
61 | // {{{ function destroy() |
62 | |
63 | function destroy() { |
64 | @session_destroy(); |
65 | unset($_SESSION); |
66 | XnetSession::init(); |
67 | } |
68 | |
69 | // }}} |
70 | // {{{ function doAuth() |
71 | |
72 | /** Try to do an authentication. |
73 | * |
74 | * @param page the calling page (by reference) |
75 | */ |
76 | function doAuth(&$page) |
77 | { |
78 | global $globals; |
79 | if (identified()) { // ok, c'est bon, on n'a rien à faire |
80 | return true; |
81 | } |
82 | |
83 | if (Get::has('auth')) { |
84 | return $this->doAuthX($page); |
85 | } elseif (Post::has('challenge') && Post::has('username') && Post::has('response')) { |
86 | return $this->doAuthOther($page); |
87 | } else { |
88 | $this->doLogin($page); |
89 | } |
90 | } |
91 | |
92 | // }}} |
93 | // {{{ doAuthX |
94 | |
95 | function doAuthX(&$page) { |
96 | global $globals; |
97 | |
98 | if (md5('1'.$this->challenge.$globals->xnet->secret.Get::getInt('uid').'1') != Get::get('auth')) { |
99 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
100 | } |
101 | |
102 | $res = $globals->xdb->query(" |
103 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
104 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
105 | FROM auth_user_md5 AS u |
106 | INNER JOIN auth_user_quick AS q USING(user_id) |
107 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
108 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
109 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
110 | LIMIT 1", Get::getInt('uid')); |
111 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
112 | $_SESSION['auth'] = AUTH_MDP; |
113 | unset($this->challenge); |
114 | unset($this->loginX); |
115 | Get::kill('auth'); |
116 | Get::kill('uid'); |
117 | $args = array(); |
118 | foreach($_GET as $key=>$val) { |
119 | $args[] = urlencode($key).'='.urlencode($val); |
120 | } |
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121 | redirect($_SERVER['PHP_SELF'] . '?' . join('&', $args)); |
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122 | } |
123 | |
124 | // }}} |
125 | // {{{ doAuthOther |
126 | |
127 | function doAuthOther(&$page) { |
128 | if (Post::has('challenge') && Post::has('username') && Post::has('response')) { |
129 | $username = Post::get('username'); |
130 | } |
131 | $this->doLogin($page); |
132 | } |
133 | |
134 | // }}} |
135 | // {{{ doLogin |
136 | |
137 | function doLogin(&$page) { |
138 | $page->addJsLink('javascript/md5.js'); |
139 | $page->addJsLink('javascript/do_challenge_response.js'); |
140 | $page->assign("xorg_tpl", "xnet/login.tpl"); |
141 | $page->run(); |
142 | } |
143 | |
144 | // }}} |
145 | } |
146 | |
147 | // }}} |
148 | // {{{ may_update |
149 | |
150 | function may_update() { |
151 | global $globals; |
152 | if (!$globals->asso('id')) { return false; } |
153 | if (has_perms()) { return true; } |
154 | $res = $globals->xdb->query( |
155 | "SELECT perms |
156 | FROM groupex.membres |
157 | WHERE uid={?} AND asso_id={?}", Session::getInt('uid'), $globals->asso('id')); |
158 | return $res->fetchOneCell() == 'admin'; |
159 | } |
160 | |
161 | // }}} |
162 | // {{{ is_member |
163 | |
164 | function is_member() { |
165 | global $globals; |
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166 | $asso_id = $globals->asso('id'); |
167 | if (!$asso_id) { return false; } |
168 | static $is_member; |
169 | if (!$is_member) $is_member = array(); |
170 | if (!isset($is_member[$asso_id])) |
171 | { |
172 | $res = $globals->xdb->query( |
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173 | "SELECT COUNT(*) |
174 | FROM groupex.membres |
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175 | WHERE uid={?} AND asso_id={?}", |
176 | Session::getInt('uid'), $asso_id); |
177 | $is_member[$asso_id] = $res->fetchOneCell() == 1; |
178 | } |
179 | return $is_member[$asso_id]; |
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180 | } |
181 | |
182 | // }}} |
183 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
184 | ?> |