classes/xnetsession.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2010 Polytechnique.org                              *
   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
  22 class XnetSession extends XorgSession
  23 {
  24     public function __construct()
  25     {
  26         parent::__construct();
  27     }
  28
  29     public function startAvailableAuth()
  30     {
  31         if (!S::logged() && Get::has('auth')) {
  32             if (!$this->start(AUTH_MDP)) {
  33                 return false;
  34             }
  35         }
  36
  37         global $globals;
  38         if (!S::logged() && $globals->xnet->auth_baseurl) {
  39             // prevent connection to be linked to disconnection
  40             if (($i = strpos($_SERVER['REQUEST_URI'], 'exit')) !== false)
  41                 $returl = "http://{$_SERVER['SERVER_NAME']}".substr($_SERVER['REQUEST_URI'], 0, $i);
  42             else
  43                 $returl = "http://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}";
  44             $url  = $globals->xnet->auth_baseurl;
  45             $url .= "?session=" . session_id();
  46             $url .= "&challenge=" . S::v('challenge');
  47             $url .= "&pass=" . md5(S::v('challenge') . $globals->xnet->secret);
  48             $url .= "&url=".urlencode($returl);
  49             S::set('loginX', $url);
  50         }
  51
  52         if (S::logged() && $globals->asso()) {
  53             $perms = S::v('perms');
  54             $perms->rmFlag('groupadmin');
  55             $perms->rmFlag('groupmember');
  56             $perms->rmFlag('groupannu');
  57             if (may_update()) {
  58                 $perms->addFlag('groupadmin');
  59                 $perms->addFlag('groupmember');
  60                 $perms->addFlag('groupannu');
  61             }
  62             if (is_member()) {
  63                 $perms->addFlag('groupmember');
  64                 if ($globals->asso('pub') != 'private') {
  65                     $perms->addFlag('groupannu');
  66                 }
  67             } else if ($globals->asso('pub') == 'public') {
  68                 $perms->addFlag('groupannu');
  69             }
  70             if ($globals->asso('cat') == 'Promotions') {
  71                 $perms->addFlag('groupannu');
  72             }
  73             S::set('perms', $perms);
  74         }
  75         return true;
  76     }
  77
  78     protected function doAuth($level)
  79     {
  80         if (S::identified()) { // ok, c'est bon, on n'a rien à faire
  81             return User::getSilentWithValues(null, array('uid' => S::i('uid')));
  82         }
  83         if (!Get::has('auth')) {
  84             return null;
  85         }
  86         global $globals;
  87         if (md5('1' . S::v('challenge') . $globals->xnet->secret . Get::i('uid') . '1') != Get::v('auth')) {
  88             return null;
  89         }
  90         Get::kill('auth');
  91         S::set('auth', AUTH_MDP);
  92         return User::getSilentWithValues(null, array('uid' => Get::i('uid')));
  93     }
  94
  95     protected function startSessionAs($user, $level)
  96     {
  97         if ($level == AUTH_SUID) {
  98             S::set('auth', AUTH_MDP);
  99         }
 100         $res  = XDB::query("SELECT  a.uid, a.hruid, a.display_name, a.full_name,
 101                                     a.sex = 'female' AS femme,
 102                                     a.email_format, a.token,
 103                                     at.perms, a.is_admin
 104                               FROM  accounts AS a
 105                         INNER JOIN  account_types AS at ON (at.type = a.type)
 106                              WHERE  a.uid = {?} AND a.state = 'active'
 107                              LIMIT  1", $user->id());
 108         $sess = $res->fetchOneAssoc();
 109         $_SESSION = array_merge($_SESSION, $sess);
 110         $this->makePerms(S::s('perms'), S::b('is_admin'));
 111         S::kill('challenge');
 112         S::kill('loginX');
 113         S::kill('may_update');
 114         S::kill('is_member');
 115         Get::kill('uid');
 116         Get::kill('PHPSESSID');
 117
 118         $args = array();
 119         foreach($_GET as $key => $val) {
 120             $args[] = urlencode($key). '=' .urlencode($val);
 121         }
 122         return true;
 123     }
 124
 125     public function doSelfSuid()
 126     {
 127         $user =& S::user();
 128         if (!$this->startSUID($user)) {
 129             return false;
 130         }
 131         S::set('perms', User::makePerms('user'));
 132         return true;
 133     }
 134
 135     public function stopSUID()
 136     {
 137         $perms = S::suid('perms');
 138         if (!parent::stopSUID()) {
 139             return false;
 140         }
 141         S::kill('may_update');
 142         S::kill('is_member');
 143         S::set('perms', $perms);
 144         return true;
 145     }
 146 }
 147
 148 // {{{ function may_update
 149
 150 /** Return administration rights for the current asso
 151  * @param force Force administration rights to be read from database
 152  * @param lose  Force administration rights to be false
 153  */
 154 function may_update($force = false, $lose = false)
 155 {
 156     if (!isset($_SESSION['may_update'])) {
 157         $_SESSION['may_update'] = array();
 158     }
 159     $may_update =& $_SESSION['may_update'];
 160
 161     global $globals;
 162     $asso_id = $globals->asso('id');
 163     if (!$asso_id) {
 164         return false;
 165     } elseif ($lose) {
 166         $may_update[$asso_id] = false;
 167     } elseif (S::admin() || (S::suid() && $force)) {
 168         $may_update[$asso_id] = true;
 169     } elseif (!isset($may_update[$asso_id]) || $force) {
 170         $res = XDB::query("SELECT  perms
 171                              FROM  group_members
 172                             WHERE  uid={?} AND asso_id={?}",
 173                           S::v('uid'), $asso_id);
 174         $may_update[$asso_id] = ($res->fetchOneCell() == 'admin');
 175     }
 176     return $may_update[$asso_id];
 177 }
 178
 179 // }}}
 180 // {{{ function is_member
 181
 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  */
 186 function is_member($force = false, $lose = false)
 187 {
 188     if (!isset($_SESSION['is_member'])) {
 189         $_SESSION['is_member'] = array();
 190     }
 191     $is_member =& $_SESSION['is_member'];
 192
 193     global $globals;
 194     $asso_id = $globals->asso('id');
 195     if (!$asso_id) {
 196         return false;
 197     } elseif ($lose) {
 198         $is_member[$asso_id] = false;
 199     } elseif (S::suid() && $force) {
 200         $is_member[$asso_id] = true;
 201     } elseif (!isset($is_member[$asso_id]) || $force) {
 202         $res = XDB::query("SELECT  COUNT(*)
 203                              FROM  group_members
 204                             WHERE  uid={?} AND asso_id={?}",
 205                 S::v('uid'), $asso_id);
 206         $is_member[$asso_id] = ($res->fetchOneCell() == 1);
 207     }
 208     return $is_member[$asso_id];
 209 }
 210
 211 // }}}
 212 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 213 ?>