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1 | <?php |
2 | /*************************************************************************** |
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3 | * Copyright (C) 2003-2007 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 | class XnetSession |
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23 | { |
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24 | // {{{ function init |
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25 | |
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26 | public static function init() { |
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27 | global $globals; |
28 | |
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29 | S::init(); |
30 | |
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31 | if (!S::logged()) { |
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32 | // prevent connexion to be linked to deconnexion |
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33 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
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34 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
35 | else |
36 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
37 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
38 | $url .= "?session=" . session_id(); |
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39 | $url .= "&challenge=" . S::v('challenge'); |
40 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
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41 | $url .= "&url=".urlencode($returl); |
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42 | $_SESSION['loginX'] = $url; |
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43 | } |
44 | } |
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45 | |
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46 | // }}} |
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47 | // {{{ public static function destroy() |
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48 | |
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49 | public static function destroy() { |
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50 | S::destroy(); |
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51 | XnetSession::init(); |
52 | } |
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53 | |
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54 | // }}} |
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55 | // {{{ public static function doAuth() |
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56 | |
57 | /** Try to do an authentication. |
58 | * |
59 | * @param page the calling page (by reference) |
60 | */ |
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61 | public static function doAuth() |
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62 | { |
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63 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
64 | return true; |
65 | } |
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66 | |
67 | if (Get::has('auth')) { |
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68 | return XnetSession::doAuthX(); |
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69 | } |
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70 | |
71 | return false; |
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72 | } |
73 | |
74 | // }}} |
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75 | // {{{ doAuthCookie |
76 | |
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77 | public static function doAuthCookie() { |
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78 | return XnetSession::doAuth(); |
79 | } |
80 | |
81 | // }}} |
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82 | // {{{ doAuthX |
83 | |
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84 | public static function doAuthX() { |
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85 | global $globals, $page; |
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86 | |
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87 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::i('uid').'1') != Get::v('auth')) { |
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88 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
89 | } |
90 | |
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91 | $res = XDB::query(" |
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92 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
93 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
94 | FROM auth_user_md5 AS u |
95 | INNER JOIN auth_user_quick AS q USING(user_id) |
96 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
97 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
98 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
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99 | LIMIT 1", Get::i('uid')); |
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100 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
101 | $_SESSION['auth'] = AUTH_MDP; |
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102 | S::kill('challenge'); |
103 | S::kill('loginX'); |
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104 | Get::kill('auth'); |
105 | Get::kill('uid'); |
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106 | $path = Get::v('n'); |
107 | Get::kill('n'); |
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108 | Get::kill('PHPSESSID'); |
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109 | |
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110 | $args = array(); |
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111 | foreach($_GET as $key => $val) { |
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112 | $args[] = urlencode($key).'='.urlencode($val); |
113 | } |
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114 | |
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115 | http_redirect($globals->baseurl . '/' . $path, join('&', $args)); |
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116 | } |
117 | |
118 | // }}} |
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119 | // {{{ doSelfSuid |
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120 | |
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121 | public static function doSelfSuid() |
122 | { |
123 | if (!S::has('suid')) { |
124 | $_SESSION['suid'] = $_SESSION; |
125 | } |
126 | $_SESSION['perms'] = 'user'; |
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127 | } |
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128 | |
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129 | // }}} |
130 | // {{{ killSuid |
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131 | |
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132 | public static function killSuid() |
133 | { |
134 | if (!S::has('suid')) { |
135 | return; |
136 | } |
137 | $suid = S::v('suid'); |
138 | S::kill('suid'); |
139 | S::kill('may_update'); |
140 | S::kill('is_member'); |
141 | $_SESSION['perms'] = $suid['perms']; |
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142 | } |
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143 | |
144 | // }}} |
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145 | } |
146 | |
147 | // }}} |
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148 | // {{{ function may_update |
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149 | |
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150 | /** Return administration rights for the current asso |
151 | * @param force Force administration rights to be read from database |
152 | * @param lose Force administration rights to be false |
153 | */ |
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154 | function may_update($force = false, $lose = false) |
155 | { |
156 | if (!isset($_SESSION['may_update'])) { |
157 | $_SESSION['may_update'] = array(); |
158 | } |
159 | $may_update =& $_SESSION['may_update']; |
160 | |
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161 | global $globals; |
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162 | $asso_id = $globals->asso('id'); |
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163 | if (!$asso_id) { |
164 | return false; |
165 | } elseif ($lose) { |
166 | $may_update[$asso_id] = false; |
167 | } elseif (S::has_perms() || (S::has('suid') && $force)) { |
168 | $may_update[$asso_id] = true; |
169 | } elseif (!isset($may_update[$asso_id]) || $force) { |
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170 | $res = XDB::query("SELECT perms |
171 | FROM groupex.membres |
172 | WHERE uid={?} AND asso_id={?}", |
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173 | S::v('uid'), $globals->asso('id')); |
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174 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
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175 | } |
176 | return $may_update[$asso_id]; |
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177 | } |
178 | |
179 | // }}} |
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180 | // {{{ function is_member |
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181 | |
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182 | /** Get membership informations for the current asso |
183 | * @param force Force membership to be read from database |
184 | * @param lose Force membership to be false |
185 | */ |
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186 | function is_member($force = false, $lose = false) |
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187 | { |
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188 | if (!isset($_SESSION['is_member'])) { |
189 | $_SESSION['is_member'] = array(); |
190 | } |
191 | $is_member =& $_SESSION['is_member']; |
192 | |
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193 | global $globals; |
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194 | $asso_id = $globals->asso('id'); |
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195 | if (!$asso_id) { |
196 | return false; |
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197 | } elseif ($lose) { |
198 | $is_member[$asso_id] = false; |
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199 | } elseif (S::has('suid') && $force) { |
200 | $is_member[$asso_id] = true; |
201 | } elseif (!isset($is_member[$asso_id]) || $force) { |
202 | $res = XDB::query("SELECT COUNT(*) |
203 | FROM groupex.membres |
204 | WHERE uid={?} AND asso_id={?}", |
205 | S::v('uid'), $asso_id); |
206 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
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207 | } |
208 | return $is_member[$asso_id]; |
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209 | } |
210 | |
211 | // }}} |
212 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
213 | ?> |