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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 | { |
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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'); |
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50 | $perms->rmFlag('groupannu'); |
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51 | if (may_update()) { |
52 | $perms->addFlag('groupadmin'); |
53 | $perms->addFlag('groupmember'); |
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54 | $perms->addFlag('groupannu'); |
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55 | } |
56 | if (is_member()) { |
57 | $perms->addFlag('groupmember'); |
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58 | if ($globals->asso('pub') != 'private') { |
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59 | $perms->addFlag('groupannu'); |
60 | } |
61 | } |
62 | if ($globals->asso('cat') == 'Promotions') { |
63 | $perms->addFlag('groupannu'); |
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64 | } |
65 | $_SESSION['perms'] = $perms; |
66 | } |
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67 | } |
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68 | |
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69 | // }}} |
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70 | // {{{ public static function destroy() |
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71 | |
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72 | public static function destroy() { |
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73 | S::destroy(); |
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74 | XnetSession::init(); |
75 | } |
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76 | |
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77 | // }}} |
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78 | // {{{ public static function doAuth() |
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79 | |
80 | /** Try to do an authentication. |
81 | * |
82 | * @param page the calling page (by reference) |
83 | */ |
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84 | public static function doAuth() |
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85 | { |
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86 | if (S::identified()) { // ok, c'est bon, on n'a rien à faire |
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87 | return true; |
88 | } |
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89 | |
90 | if (Get::has('auth')) { |
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91 | return XnetSession::doAuthX(); |
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92 | } |
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93 | |
94 | return false; |
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95 | } |
96 | |
97 | // }}} |
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98 | // {{{ doAuthCookie |
99 | |
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100 | public static function doAuthCookie() { |
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101 | return XnetSession::doAuth(); |
102 | } |
103 | |
104 | // }}} |
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105 | // {{{ doAuthX |
106 | |
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107 | public static function doAuthX() |
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108 | { |
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109 | global $globals, $page; |
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110 | |
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111 | if (md5('1'.S::v('challenge').$globals->xnet->secret.Get::i('uid').'1') != Get::v('auth')) { |
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112 | $page->kill("Erreur d'authentification avec polytechnique.org !"); |
113 | } |
114 | |
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115 | $res = XDB::query(" |
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116 | SELECT u.user_id AS uid, prenom, nom, perms, promo, password, FIND_IN_SET('femme', u.flags) AS femme, |
117 | a.alias AS forlife, a2.alias AS bestalias, q.core_mail_fmt AS mail_fmt, q.core_rss_hash |
118 | FROM auth_user_md5 AS u |
119 | INNER JOIN auth_user_quick AS q USING(user_id) |
120 | INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type='a_vie') |
121 | INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET('bestalias',a2.flags)) |
122 | WHERE u.user_id = {?} AND u.perms IN('admin','user') |
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123 | LIMIT 1", Get::i('uid')); |
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124 | $_SESSION = array_merge($_SESSION, $res->fetchOneAssoc()); |
125 | $_SESSION['auth'] = AUTH_MDP; |
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126 | require_once 'xorg/session.inc.php'; |
127 | $_SESSION['perms'] =& XorgSession::make_perms(S::v('perms')); |
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128 | S::kill('challenge'); |
129 | S::kill('loginX'); |
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130 | S::kill('may_update'); |
131 | S::kill('is_member'); |
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132 | Get::kill('auth'); |
133 | Get::kill('uid'); |
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134 | $path = Get::v('n'); |
135 | Get::kill('n'); |
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136 | Get::kill('PHPSESSID'); |
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137 | |
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138 | $args = array(); |
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139 | foreach($_GET as $key => $val) { |
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140 | $args[] = urlencode($key).'='.urlencode($val); |
141 | } |
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142 | |
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143 | http_redirect($globals->baseurl . '/' . $path, join('&', $args)); |
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144 | } |
145 | |
146 | // }}} |
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147 | // {{{ doSelfSuid |
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148 | |
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149 | public static function doSelfSuid() |
150 | { |
151 | if (!S::has('suid')) { |
152 | $_SESSION['suid'] = $_SESSION; |
153 | } |
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154 | require_once 'xorg/session.inc.php'; |
155 | $_SESSION['perms'] =& XorgSession::make_perms('user'); |
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156 | } |
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157 | |
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158 | // }}} |
159 | // {{{ killSuid |
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160 | |
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161 | public static function killSuid() |
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162 | { |
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163 | if (!S::has('suid')) { |
164 | return; |
165 | } |
166 | $suid = S::v('suid'); |
167 | S::kill('suid'); |
168 | S::kill('may_update'); |
169 | S::kill('is_member'); |
170 | $_SESSION['perms'] = $suid['perms']; |
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171 | } |
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172 | |
173 | // }}} |
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174 | } |
175 | |
176 | // }}} |
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177 | // {{{ function may_update |
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178 | |
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179 | /** Return administration rights for the current asso |
180 | * @param force Force administration rights to be read from database |
181 | * @param lose Force administration rights to be false |
182 | */ |
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183 | function may_update($force = false, $lose = false) |
184 | { |
185 | if (!isset($_SESSION['may_update'])) { |
186 | $_SESSION['may_update'] = array(); |
187 | } |
188 | $may_update =& $_SESSION['may_update']; |
189 | |
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190 | global $globals; |
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191 | $asso_id = $globals->asso('id'); |
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192 | if (!$asso_id) { |
193 | return false; |
194 | } elseif ($lose) { |
195 | $may_update[$asso_id] = false; |
196 | } elseif (S::has_perms() || (S::has('suid') && $force)) { |
197 | $may_update[$asso_id] = true; |
198 | } elseif (!isset($may_update[$asso_id]) || $force) { |
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199 | $res = XDB::query("SELECT perms |
200 | FROM groupex.membres |
201 | WHERE uid={?} AND asso_id={?}", |
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202 | S::v('uid'), $asso_id); |
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203 | $may_update[$asso_id] = ($res->fetchOneCell() == 'admin'); |
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204 | } |
205 | return $may_update[$asso_id]; |
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206 | } |
207 | |
208 | // }}} |
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209 | // {{{ function is_member |
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210 | |
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211 | /** Get membership informations for the current asso |
212 | * @param force Force membership to be read from database |
213 | * @param lose Force membership to be false |
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214 | */ |
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215 | function is_member($force = false, $lose = false) |
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216 | { |
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217 | if (!isset($_SESSION['is_member'])) { |
218 | $_SESSION['is_member'] = array(); |
219 | } |
220 | $is_member =& $_SESSION['is_member']; |
221 | |
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222 | global $globals; |
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223 | $asso_id = $globals->asso('id'); |
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224 | if (!$asso_id) { |
225 | return false; |
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226 | } elseif ($lose) { |
227 | $is_member[$asso_id] = false; |
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228 | } elseif (S::has('suid') && $force) { |
229 | $is_member[$asso_id] = true; |
230 | } elseif (!isset($is_member[$asso_id]) || $force) { |
231 | $res = XDB::query("SELECT COUNT(*) |
232 | FROM groupex.membres |
233 | WHERE uid={?} AND asso_id={?}", |
234 | S::v('uid'), $asso_id); |
235 | $is_member[$asso_id] = ($res->fetchOneCell() == 1); |
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236 | } |
237 | return $is_member[$asso_id]; |
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238 | } |
239 | |
240 | // }}} |
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241 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
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242 | ?> |