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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() |
27 | { |
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28 | global $globals; |
29 | |
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30 | S::init(); |
31 | |
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32 | if (!S::logged()) { |
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33 | // prevent connexion to be linked to deconnexion |
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34 | if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false) |
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35 | $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i); |
36 | else |
37 | $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; |
38 | $url = "https://www.polytechnique.org/auth-groupex.php"; |
39 | $url .= "?session=" . session_id(); |
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40 | $url .= "&challenge=" . S::v('challenge'); |
41 | $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret); |
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42 | $url .= "&url=".urlencode($returl); |
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43 | $_SESSION['loginX'] = $url; |
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44 | } |
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45 | |
46 | if (S::logged() && $globals->asso()) { |
47 | $perms = S::v('perms'); |
48 | $perms->rmFlag('groupadmin'); |
49 | $perms->rmFlag('groupmember'); |
50 | if (may_update()) { |
51 | $perms->addFlag('groupadmin'); |
52 | $perms->addFlag('groupmember'); |
53 | } |
54 | if (is_member()) { |
55 | $perms->addFlag('groupmember'); |
56 | } |
57 | $_SESSION['perms'] = $perms; |
58 | } |
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59 | } |
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60 | |
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61 | // }}} |
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62 | // {{{ public static function destroy() |
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63 | |
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64 | public static function destroy() { |
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65 | S::destroy(); |
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66 | XnetSession::init(); |
67 | } |
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68 | |
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69 | // }}} |
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70 | // {{{ public static function doAuth() |
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71 | |
72 | /** Try to do an authentication. |
73 | * |
74 | * @param page the calling page (by reference) |
75 | */ |
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76 | public static function doAuth() |
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77 | { |
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78 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
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79 | return true; |
80 | } |
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81 | |
82 | if (Get::has('auth')) { |
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83 | return XnetSession::doAuthX(); |
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84 | } |
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85 | |
86 | return false; |
0337d704 |
87 | } |
88 | |
89 | // }}} |
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90 | // {{{ doAuthCookie |
91 | |
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92 | public static function doAuthCookie() { |
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93 | return XnetSession::doAuth(); |
94 | } |
95 | |
96 | // }}} |
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97 | // {{{ doAuthX |
98 | |
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99 | public static function doAuthX() |
100 | { |
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101 | global $globals, $page; |
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102 | |
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103 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::i('uid').'1') != Get::v('auth')) { |
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104 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
105 | } |
106 | |
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107 | $res = XDB::query(" |
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108 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
109 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
110 | FROM auth_user_md5 AS u |
111 | INNER JOIN auth_user_quick AS q USING(user_id) |
112 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
113 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
114 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
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115 | LIMIT 1", Get::i('uid')); |
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116 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
117 | $_SESSION['auth'] = AUTH_MDP; |
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118 | require_once 'xorg/session.inc.php'; |
119 | $_SESSION['perms'] =& XorgSession::make_perms(S::v('perms')); |
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120 | S::kill('challenge'); |
121 | S::kill('loginX'); |
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122 | S::kill('may_update'); |
123 | S::kill('is_member'); |
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124 | Get::kill('auth'); |
125 | Get::kill('uid'); |
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126 | $path = Get::v('n'); |
127 | Get::kill('n'); |
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128 | Get::kill('PHPSESSID'); |
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129 | |
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130 | $args = array(); |
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131 | foreach($_GET as $key => $val) { |
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132 | $args[] = urlencode($key).'='.urlencode($val); |
133 | } |
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134 | |
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135 | http_redirect($globals->baseurl . '/' . $path, join('&', $args)); |
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136 | } |
137 | |
138 | // }}} |
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139 | // {{{ doSelfSuid |
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140 | |
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141 | public static function doSelfSuid() |
142 | { |
143 | if (!S::has('suid')) { |
144 | $_SESSION['suid'] = $_SESSION; |
145 | } |
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146 | require_once 'xorg/session.inc.php'; |
147 | $_SESSION['perms'] =& XorgSession::make_perms('user'); |
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148 | } |
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149 | |
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150 | // }}} |
151 | // {{{ killSuid |
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152 | |
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153 | public static function killSuid() |
154 | { |
155 | if (!S::has('suid')) { |
156 | return; |
157 | } |
158 | $suid = S::v('suid'); |
159 | S::kill('suid'); |
160 | S::kill('may_update'); |
161 | S::kill('is_member'); |
162 | $_SESSION['perms'] = $suid['perms']; |
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163 | } |
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164 | |
165 | // }}} |
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166 | } |
167 | |
168 | // }}} |
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169 | // {{{ function may_update |
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170 | |
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171 | /** Return administration rights for the current asso |
172 | * @param force Force administration rights to be read from database |
173 | * @param lose Force administration rights to be false |
174 | */ |
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175 | function may_update($force = false, $lose = false) |
176 | { |
177 | if (!isset($_SESSION['may_update'])) { |
178 | $_SESSION['may_update'] = array(); |
179 | } |
180 | $may_update =& $_SESSION['may_update']; |
181 | |
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182 | global $globals; |
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183 | $asso_id = $globals->asso('id'); |
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184 | if (!$asso_id) { |
185 | return false; |
186 | } elseif ($lose) { |
187 | $may_update[$asso_id] = false; |
188 | } elseif (S::has_perms() || (S::has('suid') && $force)) { |
189 | $may_update[$asso_id] = true; |
190 | } elseif (!isset($may_update[$asso_id]) || $force) { |
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191 | $res = XDB::query("SELECT perms |
192 | FROM groupex.membres |
193 | WHERE uid={?} AND asso_id={?}", |
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194 | S::v('uid'), $asso_id); |
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195 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
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196 | } |
197 | return $may_update[$asso_id]; |
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198 | } |
199 | |
200 | // }}} |
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201 | // {{{ function is_member |
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202 | |
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203 | /** Get membership informations for the current asso |
204 | * @param force Force membership to be read from database |
205 | * @param lose Force membership to be false |
206 | */ |
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207 | function is_member($force = false, $lose = false) |
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208 | { |
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209 | if (!isset($_SESSION['is_member'])) { |
210 | $_SESSION['is_member'] = array(); |
211 | } |
212 | $is_member =& $_SESSION['is_member']; |
213 | |
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214 | global $globals; |
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215 | $asso_id = $globals->asso('id'); |
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216 | if (!$asso_id) { |
217 | return false; |
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218 | } elseif ($lose) { |
219 | $is_member[$asso_id] = false; |
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220 | } elseif (S::has('suid') && $force) { |
221 | $is_member[$asso_id] = true; |
222 | } elseif (!isset($is_member[$asso_id]) || $force) { |
223 | $res = XDB::query("SELECT COUNT(*) |
224 | FROM groupex.membres |
225 | WHERE uid={?} AND asso_id={?}", |
226 | S::v('uid'), $asso_id); |
227 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
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228 | } |
229 | return $is_member[$asso_id]; |
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230 | } |
231 | |
232 | // }}} |
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233 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
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234 | ?> |