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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 | } |
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44 | |
45 | if (S::logged() && $globals->asso()) { |
46 | $perms = S::v('perms'); |
47 | $perms->rmFlag('groupadmin'); |
48 | $perms->rmFlag('groupmember'); |
49 | if (may_update()) { |
50 | $perms->addFlag('groupadmin'); |
51 | $perms->addFlag('groupmember'); |
52 | } |
53 | if (is_member()) { |
54 | $perms->addFlag('groupmember'); |
55 | } |
56 | $_SESSION['perms'] = $perms; |
57 | } |
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58 | } |
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59 | |
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60 | // }}} |
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61 | // {{{ public static function destroy() |
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62 | |
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63 | public static function destroy() { |
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64 | S::destroy(); |
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65 | XnetSession::init(); |
66 | } |
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67 | |
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68 | // }}} |
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69 | // {{{ public static function doAuth() |
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70 | |
71 | /** Try to do an authentication. |
72 | * |
73 | * @param page the calling page (by reference) |
74 | */ |
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75 | public static function doAuth() |
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76 | { |
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77 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
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78 | return true; |
79 | } |
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80 | |
81 | if (Get::has('auth')) { |
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82 | return XnetSession::doAuthX(); |
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83 | } |
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84 | |
85 | return false; |
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86 | } |
87 | |
88 | // }}} |
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89 | // {{{ doAuthCookie |
90 | |
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91 | public static function doAuthCookie() { |
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92 | return XnetSession::doAuth(); |
93 | } |
94 | |
95 | // }}} |
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96 | // {{{ doAuthX |
97 | |
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98 | public static function doAuthX() |
99 | { |
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100 | global $globals, $page; |
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101 | |
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102 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::i('uid').'1') != Get::v('auth')) { |
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103 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
104 | } |
105 | |
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106 | $res = XDB::query(" |
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107 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
108 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
109 | FROM auth_user_md5 AS u |
110 | INNER JOIN auth_user_quick AS q USING(user_id) |
111 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
112 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
113 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
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114 | LIMIT 1", Get::i('uid')); |
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115 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
116 | $_SESSION['auth'] = AUTH_MDP; |
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117 | require_once 'xorg/session.inc.php'; |
118 | $_SESSION['perms'] =& XorgSession::make_perms(S::v('perms')); |
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119 | S::kill('challenge'); |
120 | S::kill('loginX'); |
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121 | S::kill('may_update'); |
122 | S::kill('is_member'); |
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123 | Get::kill('auth'); |
124 | Get::kill('uid'); |
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125 | $path = Get::v('n'); |
126 | Get::kill('n'); |
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127 | Get::kill('PHPSESSID'); |
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128 | |
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129 | $args = array(); |
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130 | foreach($_GET as $key => $val) { |
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131 | $args[] = urlencode($key).'='.urlencode($val); |
132 | } |
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133 | |
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134 | http_redirect($globals->baseurl . '/' . $path, join('&', $args)); |
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135 | } |
136 | |
137 | // }}} |
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138 | // {{{ doSelfSuid |
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139 | |
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140 | public static function doSelfSuid() |
141 | { |
142 | if (!S::has('suid')) { |
143 | $_SESSION['suid'] = $_SESSION; |
144 | } |
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145 | require_once 'xorg/session.inc.php'; |
146 | $_SESSION['perms'] =& XorgSession::make_perms('user'); |
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147 | } |
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148 | |
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149 | // }}} |
150 | // {{{ killSuid |
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151 | |
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152 | public static function killSuid() |
153 | { |
154 | if (!S::has('suid')) { |
155 | return; |
156 | } |
157 | $suid = S::v('suid'); |
158 | S::kill('suid'); |
159 | S::kill('may_update'); |
160 | S::kill('is_member'); |
161 | $_SESSION['perms'] = $suid['perms']; |
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162 | } |
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163 | |
164 | // }}} |
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165 | } |
166 | |
167 | // }}} |
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168 | // {{{ function may_update |
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169 | |
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170 | /** Return administration rights for the current asso |
171 | * @param force Force administration rights to be read from database |
172 | * @param lose Force administration rights to be false |
173 | */ |
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174 | function may_update($force = false, $lose = false) |
175 | { |
176 | if (!isset($_SESSION['may_update'])) { |
177 | $_SESSION['may_update'] = array(); |
178 | } |
179 | $may_update =& $_SESSION['may_update']; |
180 | |
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181 | global $globals; |
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182 | $asso_id = $globals->asso('id'); |
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183 | if (!$asso_id) { |
184 | return false; |
185 | } elseif ($lose) { |
186 | $may_update[$asso_id] = false; |
187 | } elseif (S::has_perms() || (S::has('suid') && $force)) { |
188 | $may_update[$asso_id] = true; |
189 | } elseif (!isset($may_update[$asso_id]) || $force) { |
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190 | $res = XDB::query("SELECT perms |
191 | FROM groupex.membres |
192 | WHERE uid={?} AND asso_id={?}", |
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193 | S::v('uid'), $asso_id); |
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194 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
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195 | } |
196 | return $may_update[$asso_id]; |
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197 | } |
198 | |
199 | // }}} |
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200 | // {{{ function is_member |
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201 | |
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202 | /** Get membership informations for the current asso |
203 | * @param force Force membership to be read from database |
204 | * @param lose Force membership to be false |
205 | */ |
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206 | function is_member($force = false, $lose = false) |
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207 | { |
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208 | if (!isset($_SESSION['is_member'])) { |
209 | $_SESSION['is_member'] = array(); |
210 | } |
211 | $is_member =& $_SESSION['is_member']; |
212 | |
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213 | global $globals; |
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214 | $asso_id = $globals->asso('id'); |
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215 | if (!$asso_id) { |
216 | return false; |
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217 | } elseif ($lose) { |
218 | $is_member[$asso_id] = false; |
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219 | } elseif (S::has('suid') && $force) { |
220 | $is_member[$asso_id] = true; |
221 | } elseif (!isset($is_member[$asso_id]) || $force) { |
222 | $res = XDB::query("SELECT COUNT(*) |
223 | FROM groupex.membres |
224 | WHERE uid={?} AND asso_id={?}", |
225 | S::v('uid'), $asso_id); |
226 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
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227 | } |
228 | return $is_member[$asso_id]; |
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229 | } |
230 | |
231 | // }}} |
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232 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
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233 | ?> |