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1 | <?php |
2 | /*************************************************************************** |
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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 | |
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22 | require_once dirname(__FILE__).'/../../classes/Session.php'; |
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23 | |
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24 | class XnetSession |
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25 | { |
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26 | // {{{ function init |
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27 | |
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28 | function init() { |
29 | global $globals; |
30 | |
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31 | S::init(); |
32 | |
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33 | if (!S::logged()) { |
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34 | // prevent connexion to be linked to deconnexion |
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35 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
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36 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
37 | else |
38 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
39 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
40 | $url .= "?session=" . session_id(); |
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41 | $url .= "&challenge=" . S::v('challenge'); |
42 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
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43 | $url .= "&url=".urlencode($returl); |
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44 | $_SESSION['loginX'] = $url; |
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45 | } |
46 | } |
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47 | |
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48 | // }}} |
49 | // {{{ function destroy() |
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50 | |
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51 | function destroy() { |
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52 | S::destroy(); |
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53 | XnetSession::init(); |
54 | } |
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55 | |
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56 | // }}} |
57 | // {{{ function doAuth() |
58 | |
59 | /** Try to do an authentication. |
60 | * |
61 | * @param page the calling page (by reference) |
62 | */ |
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63 | function doAuth() |
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64 | { |
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65 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
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66 | return true; |
67 | } |
68 | |
69 | if (Get::has('auth')) { |
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70 | return XnetSession::doAuthX(); |
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71 | } |
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72 | |
73 | return false; |
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74 | } |
75 | |
76 | // }}} |
77 | // {{{ doAuthX |
78 | |
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79 | function doAuthX() { |
80 | global $globals, $page; |
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81 | |
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82 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::i('uid').'1') != Get::v('auth')) { |
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83 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
84 | } |
85 | |
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86 | $res = XDB::query(" |
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87 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
88 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
89 | FROM auth_user_md5 AS u |
90 | INNER JOIN auth_user_quick AS q USING(user_id) |
91 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
92 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
93 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
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94 | LIMIT 1", Get::i('uid')); |
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95 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
96 | $_SESSION['auth'] = AUTH_MDP; |
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97 | S::kill('challenge'); |
98 | S::kill('loginX'); |
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99 | Get::kill('auth'); |
100 | Get::kill('uid'); |
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101 | $path = Get::v('n'); |
102 | Get::kill('n'); |
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103 | Get::kill('PHPSESSID'); |
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104 | |
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105 | $args = array(); |
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106 | foreach($_GET as $key => $val) { |
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107 | $args[] = urlencode($key).'='.urlencode($val); |
108 | } |
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109 | |
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110 | http_redirect($globals->baseurl . '/' . $path, join('&', $args)); |
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111 | } |
112 | |
113 | // }}} |
114 | } |
115 | |
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116 | // {{{ may_update |
117 | |
118 | function may_update() { |
119 | global $globals; |
120 | if (!$globals->asso('id')) { return false; } |
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121 | if (S::has_perms()) { return true; } |
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122 | $res = XDB::query( |
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123 | "SELECT perms |
124 | FROM groupex.membres |
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125 | WHERE uid={?} AND asso_id={?}", S::v('uid'), $globals->asso('id')); |
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126 | return $res->fetchOneCell() == 'admin'; |
127 | } |
128 | |
129 | // }}} |
130 | // {{{ is_member |
131 | |
132 | function is_member() { |
133 | global $globals; |
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134 | $asso_id = $globals->asso('id'); |
135 | if (!$asso_id) { return false; } |
136 | static $is_member; |
137 | if (!$is_member) $is_member = array(); |
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138 | if (!isset($is_member[$asso_id])) |
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139 | { |
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140 | $res = XDB::query( |
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141 | "SELECT COUNT(*) |
142 | FROM groupex.membres |
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143 | WHERE uid={?} AND asso_id={?}", |
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144 | S::v('uid'), $asso_id); |
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145 | $is_member[$asso_id] = $res->fetchOneCell() == 1; |
146 | } |
147 | return $is_member[$asso_id]; |
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148 | } |
149 | |
150 | // }}} |
151 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
152 | ?> |