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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 | global $lc_accent, $lc_plain, $uc_accent, $uc_plain; |
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23 | require_once 'diogenes/diogenes.misc.inc.php'; |
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24 | |
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25 | class Session |
26 | { |
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27 | public static function init() |
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28 | { |
29 | @session_start(); |
30 | if (empty($_SESSION['challenge'])) { |
31 | $_SESSION['challenge'] = sha1(uniqid(rand(), true)); |
32 | } |
33 | } |
34 | |
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35 | public static function destroy() |
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36 | { |
37 | @session_destroy(); |
38 | unset($_SESSION); |
39 | } |
40 | |
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41 | public static function has($key) |
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42 | { |
43 | return isset($_SESSION[$key]); |
44 | } |
45 | |
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46 | public static function kill($key) |
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47 | { |
48 | unset($_SESSION[$key]); |
49 | } |
50 | |
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51 | public static function v($key, $default = null) |
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52 | { |
53 | return isset($_SESSION[$key]) ? $_SESSION[$key] : $default; |
54 | } |
55 | |
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56 | public static function i($key, $default = 0) |
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57 | { |
58 | $i = Session::v($key, $default); |
59 | return is_numeric($i) ? intval($i) : $default; |
60 | } |
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61 | |
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62 | public static function has_perms() |
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63 | { |
64 | return Session::logged() && Session::v('perms') == PERMS_ADMIN; |
65 | } |
66 | |
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67 | public static function logged() |
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68 | { |
69 | return Session::v('auth', AUTH_PUBLIC) >= AUTH_COOKIE; |
70 | } |
71 | |
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72 | public static function identified() |
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73 | { |
74 | return Session::v('auth', AUTH_PUBLIC) >= AUTH_MDP; |
75 | } |
76 | } |
77 | |
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78 | // {{{ function check_perms() |
79 | |
80 | /** verifie si un utilisateur a les droits pour voir une page |
81 | ** si ce n'est pas le cas, on affiche une erreur |
82 | * @return void |
83 | */ |
84 | function check_perms() |
85 | { |
86 | global $page; |
87 | if (!S::has_perms()) { |
88 | if ($_SESSION['log']) { |
89 | $_SESSION['log']->log("noperms",$_SERVER['PHP_SELF']); |
90 | } |
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91 | $page->kill("Tu n'as pas les permissions nécessaires pour accéder à cette page."); |
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92 | } |
93 | } |
94 | |
95 | // }}} |
96 | |
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97 | ?> |