mirror of
https://gitlab.easter-eggs.com/ee/ldapsaisie.git
synced 2024-12-23 08:53:47 +01:00
676 lines
19 KiB
PHP
676 lines
19 KiB
PHP
<?php
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/*******************************************************************************
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* Copyright (C) 2007 Easter-eggs
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* http://ldapsaisie.labs.libre-entreprise.org
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*
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* Author: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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******************************************************************************/
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define('LS_DEFAULT_CONF_DIR','conf');
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/**
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* Gestion des sessions
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*
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* Cette classe gère les sessions d'utilisateurs.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*/
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class LSsession {
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var $confDir = NULL;
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var $ldapServer = NULL;
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var $ldapServerId = NULL;
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var $topDn = NULL;
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var $LSuserObject = NULL;
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var $dn = NULL;
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var $rdn = NULL;
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var $JSscripts = array();
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var $CssFiles = array();
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var $template = NULL;
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var $LSrights = array (
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'topDn_admin' => array ()
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);
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var $LSaccess = array();
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/**
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* Constructeur
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @retval void
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*/
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function LSsession ($configDir=LS_DEFAULT_CONF_DIR) {
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$this -> confDir = $configDir;
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if ($this -> loadConfig()) {
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$this -> startLSerror();
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}
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else {
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return;
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}
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}
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/*
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* Chargement de la configuration
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*
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* Chargement des fichiers de configuration et création de l'objet Smarty.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @retval true si tout c'est bien passé, false sinon
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*/
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function loadConfig() {
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if (loadDir($this -> confDir, '^config\..*\.php$')) {
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if ( @include_once $GLOBALS['LSconfig']['Smarty'] ) {
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$GLOBALS['Smarty'] = new Smarty();
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return true;
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1008);
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return;
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}
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return true;
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}
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else {
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return;
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}
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}
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/*
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* Initialisation de la gestion des erreurs
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*
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* Création de l'objet LSerror
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*
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* @author Benjamin Renard <brenard@easter-eggs.com
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*
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* @retval boolean true si l'initialisation a réussi, false sinon.
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*/
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function startLSerror() {
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if(!$this -> loadLSclass('LSerror'))
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return;
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$GLOBALS['LSerror'] = new LSerror();
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return true;
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}
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/*
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* Chargement d'une classe d'LdapSaisie
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*
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* @param[in] $class Nom de la classe à charger (Exemple : LSeepeople)
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* @param[in] $type (Optionnel) Type de classe à charger (Exemple : LSobjects)
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*
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* @author Benjamin Renard <brenard@easter-eggs.com
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*
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* @retval boolean true si le chargement a réussi, false sinon.
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*/
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function loadLSclass($class,$type='') {
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if (class_exists($class))
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return true;
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if($type!='')
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$type=$type.'.';
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return @include_once LS_CLASS_DIR .'class.'.$type.$class.'.php';
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}
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/*
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* Chargement d'un object LdapSaisie
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*
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* @param[in] $object Nom de l'objet à charger
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*
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* @retval boolean true si le chargement a réussi, false sinon.
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*/
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function loadLSobject($object) {
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if (!$this -> loadLSclass($object,'LSobjects'))
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return;
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if (!require_once( LS_OBJECTS_DIR . 'config.LSobjects.'.$object.'.php' ))
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return;
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return true;
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}
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/*
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* Chargement des objects LdapSaisie
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*
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* Chargement des LSobjects contenue dans la variable
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* $GLOBALS['LSobjects_loads']
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*
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* @retval boolean true si le chargement a réussi, false sinon.
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*/
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function loadLSobjects() {
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$this -> loadLSclass('LSldapObject');
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if(!is_array($GLOBALS['LSobjects_loads'])) {
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$GLOBALS['LSerror'] -> addErrorCode(1001,"LSobjects['loads']");
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return;
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}
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foreach ($GLOBALS['LSobjects_loads'] as $object) {
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if ( !$this -> loadLSobject($object) )
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return;
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}
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return true;
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}
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/*
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* Chargement d'un addons d'LdapSaisie
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*
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* @param[in] $addon Nom de l'addon à charger (Exemple : samba)
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*
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* @author Benjamin Renard <brenard@easter-eggs.com
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*
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* @retval boolean true si le chargement a réussi, false sinon.
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*/
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function loadLSaddon($addon) {
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return require_once LS_ADDONS_DIR .'LSaddons.'.$addon.'.php';
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}
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/*
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* Chargement des addons LdapSaisie
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*
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* Chargement des LSaddons contenue dans la variable
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* $GLOBALS['LSaddons']['loads']
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*
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* @retval boolean true si le chargement a réussi, false sinon.
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*/
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function loadLSaddons() {
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if(!is_array($GLOBALS['LSaddons']['loads'])) {
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$GLOBALS['LSerror'] -> addErrorCode(1001,"LSaddons['loads']");
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return;
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}
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foreach ($GLOBALS['LSaddons']['loads'] as $addon) {
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$this -> loadLSaddon($addon);
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if (!call_user_func('LSaddon_'. $addon .'_support')) {
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$GLOBALS['LSerror'] -> addErrorCode(1002,$addon);
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}
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}
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return true;
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}
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/*
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* Initialisation de la session LdapSaisie
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*
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* Initialisation d'une LSsession :
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* - Authentification et activation du mécanisme de session de LdapSaisie
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* - ou Chargement des paramètres de la session à partir de la variable
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* $_SESSION['LSsession'].
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* - ou Destruction de la session en cas de $_GET['LSsession_logout'].
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*
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* @retval boolean True si l'initialisation à réussi (utilisateur authentifié), false sinon.
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*/
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function startLSsession() {
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$this -> loadLSobjects();
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$this -> loadLSaddons();
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session_start();
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// Déconnexion
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if (isset($_GET['LSsession_logout'])) {
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session_destroy();
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unset($_SESSION['LSsession']);
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}
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if(isset($_SESSION['LSsession'])) {
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// Session existante
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$this -> confDir = $_SESSION['LSsession'] -> confDir;
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$this -> topDn = $_SESSION['LSsession'] -> topDn;
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//$this -> LSuserObject = $_SESSION['LSsession'] -> LSuserObject;
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$this -> dn = $_SESSION['LSsession'] -> dn;
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$this -> rdn = $_SESSION['LSsession'] -> rdn;
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$this -> ldapServerId = $_SESSION['LSsession'] -> ldapServerId;
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if ( ($GLOBALS['LSconfig']['cacheLSrights']) || ($this -> ldapServer['cacheLSrights']) ) {
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$this -> ldapServer = $_SESSION['LSsession'] -> ldapServer;
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$this -> LSrights = $_SESSION['LSsession'] -> LSrights;
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$this -> LSaccess = $_SESSION['LSsession'] -> LSaccess;
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if (!$this -> LSldapConnect())
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return;
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}
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else {
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$this -> setLdapServer($this -> ldapServerId);
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if (!$this -> LSldapConnect())
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return;
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$this -> loadLSrights();
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$this -> loadLSaccess();
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}
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$this -> LSuserObject = new $this -> ldapServer['authobject']();
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$this -> LSuserObject -> loadData($this -> dn);
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$GLOBALS['Smarty'] -> assign('LSsession_username',$this -> LSuserObject -> getDisplayValue());
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return true;
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}
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else {
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// Session inexistante
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if (isset($_POST['LSsession_user'])) {
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if (isset($_POST['LSsession_ldapserver'])) {
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$this -> setLdapServer($_POST['LSsession_ldapserver']);
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}
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else {
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$this -> setLdapServer(0);
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}
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// Connexion au serveur LDAP
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if ($this -> LSldapConnect()) {
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// topDn
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if ( $_POST['LSsession_topDn'] != '' ){
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$this -> topDn = $_POST['LSsession_topDn'];
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}
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else {
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$this -> topDn = $this -> ldapServer['ldap_config']['basedn'];
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}
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if ( $this -> loadLSobject($this -> ldapServer['authobject']) ) {
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$authobject = new $this -> ldapServer['authobject']();
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$result = $authobject -> searchObject($_POST['LSsession_user'],$this -> topDn);
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$nbresult=count($result);
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if ($nbresult==0) {
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// identifiant incorrect
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debug('identifiant incorrect');
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$GLOBALS['LSerror'] -> addErrorCode(1006);
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}
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else if ($nbresult>1) {
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// duplication d'authentité
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$GLOBALS['LSerror'] -> addErrorCode(1007);
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}
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else {
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if ( $this -> checkUserPwd($result[0],$_POST['LSsession_pwd']) ) {
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// Authentification réussi
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$this -> LSuserObject = $result[0];
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$this -> dn = $result[0]->getValue('dn');
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$this -> rdn = $_POST['LSsession_user'];
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$this -> loadLSrights();
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$this -> loadLSaccess();
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$GLOBALS['Smarty'] -> assign('LSsession_username',$this -> LSuserObject -> getDisplayValue());
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$_SESSION['LSsession']=$this;
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return true;
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1006);
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debug('mdp incorrect');
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}
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}
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1010);
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}
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1009);
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}
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}
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$this -> displayLoginForm();
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return;
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}
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}
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/*
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* Définition du serveur Ldap de la session
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*
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* Définition du serveur Ldap de la session à partir de son ID dans
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* le tableau $GLOBALS['LSconfig']['ldap_servers'].
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*
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* @param[in] integer Index du serveur Ldap
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*
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* @retval boolean True sinon false.
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*/
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function setLdapServer($id) {
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if ( isset($GLOBALS['LSconfig']['ldap_servers'][$id]) ) {
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$this -> ldapServerId = $id;
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$this -> ldapServer=$GLOBALS['LSconfig']['ldap_servers'][$id];
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return true;
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}
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else {
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return;
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}
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}
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/*
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* Connexion au serveur Ldap
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*
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* @retval boolean True sinon false.
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*/
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function LSldapConnect() {
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if ($this -> ldapServer) {
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include_once($GLOBALS['LSconfig']['NetLDAP']);
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if (!$this -> loadLSclass('LSldap'))
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return;
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$GLOBALS['LSldap'] = new LSldap($this -> ldapServer['ldap_config']);
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if ($GLOBALS['LSldap'] -> isConnected())
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return true;
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else
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return;
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return $GLOBALS['LSldap'] = new LSldap($this -> ldapServer['ldap_config']);
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1003);
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return;
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}
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}
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function getSubDnLdapServer() {
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if ( isset($this ->ldapServer['subdnobject']) ) {
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if( $this -> loadLSobject($this ->ldapServer['subdnobject']) ) {
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if ($subdnobject = new $this ->ldapServer['subdnobject']()) {
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return $subdnobject -> getSelectArray();
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}
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else {
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return;
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}
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1004,$this ->ldapServer['subdnobject']);
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return;
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}
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}
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else {
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return;
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}
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}
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/*
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* Retourne les options d'une liste déroulante pour le choix du topDn
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* de connexion au serveur Ldap
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*
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* Liste les subdnobject ($this ->ldapServer['subdnobject'])
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*
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* @retval string Les options (<option>) pour la sélection du topDn.
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*/
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function getSubDnLdapServerOptions() {
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if ( isset($this ->ldapServer['subdnobject']) ) {
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if( $this -> loadLSobject($this ->ldapServer['subdnobject']) ) {
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if ($subdnobject = new $this ->ldapServer['subdnobject']()) {
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return $subdnobject -> getSelectOptions();
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}
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else {
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return;
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}
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1004,$this ->ldapServer['subdnobject']);
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return;
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}
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}
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else {
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return;
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}
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}
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/*
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* Test un couple LSobject/pwd
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*
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* Test un bind sur le serveur avec le dn de l'objet et le mot de passe fourni.
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*
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* @param[in] LSobject L'object "user" pour l'authentification
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* @param[in] string Le mot de passe à tester
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*
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* @retval boolean True si l'authentification à réussi, false sinon.
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*/
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function checkUserPwd($object,$pwd) {
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return $GLOBALS['LSldap'] -> checkBind($object -> getValue('dn'),$pwd);
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}
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/*
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* Affiche le formulaire de login
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*
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* Défini les informations pour le template Smarty du formulaire de login.
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*
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* @retval void
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*/
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function displayLoginForm() {
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$GLOBALS['Smarty'] -> assign('pagetitle',_('Connexion'));
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$GLOBALS['Smarty'] -> assign('loginform_action',$_SERVER['PHP_SELF']);
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if (count($GLOBALS['LSconfig']['ldap_servers'])==1) {
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$GLOBALS['Smarty'] -> assign('loginform_ldapserver_style','style="display: none"');
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}
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$GLOBALS['Smarty'] -> assign('loginform_label_ldapserver',_('Serveur LDAP'));
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$ldapservers_name=array();
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$ldapservers_index=array();
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foreach($GLOBALS['LSconfig']['ldap_servers'] as $id => $infos) {
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$ldapservers_index[]=$id;
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$ldapservers_name[]=$infos['name'];
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}
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$GLOBALS['Smarty'] -> assign('loginform_ldapservers_name',$ldapservers_name);
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$GLOBALS['Smarty'] -> assign('loginform_ldapservers_index',$ldapservers_index);
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$this -> setLdapServer(0);
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if ( $this -> LSldapConnect() ) {
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$topDn_array = $this -> getSubDnLdapServer();
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if ( $topDn_array ) {
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$GLOBALS['Smarty'] -> assign('loginform_topdn_name',$topDn_array['display']);
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$GLOBALS['Smarty'] -> assign('loginform_topdn_index',$topDn_array['dn']);
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}
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}
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$GLOBALS['Smarty'] -> assign('loginform_label_level',_('Niveau'));
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$GLOBALS['Smarty'] -> assign('loginform_label_user',_('Identifiant'));
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$GLOBALS['Smarty'] -> assign('loginform_label_pwd',_('Mot de passe'));
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$GLOBALS['Smarty'] -> assign('loginform_label_submit',_('Connexion'));
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$this -> addJSscript('LSsession_login.js');
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}
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/*
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* Défini le template Smarty à utiliser
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*
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* Remarque : les fichiers de templates doivent se trouver dans le dossier
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* templates/.
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*
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* @param[in] string Le nom du fichier de template
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*
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* @retval void
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*/
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function setTemplate($template) {
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$this -> template = $template;
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}
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/*
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* Ajoute un script JS au chargement de la page
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*
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* Remarque : les scripts doivents être dans le dossier LS_JS_DIR.
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*
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* @param[in] $script Le nom du fichier de script à charger.
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*
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* @retval void
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*/
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function addJSscript($script) {
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$this -> JSscripts[]=$script;
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}
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/*
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* Ajoute une feuille de style au chargement de la page
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*
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* Remarque : les scripts doivents être dans le dossiers templates/css/.
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*
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* @param[in] $script Le nom du fichier css à charger.
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*
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* @retval void
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*/
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function addCssFile($file) {
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$this -> CssFiles[]=$file;
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}
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/*
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* Affiche le template Smarty
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*
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* Charge les dépendances et affiche le template Smarty
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*
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* @retval void
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*/
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function displayTemplate() {
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// JS
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$JSscript_txt='';
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foreach ($GLOBALS['defaultJSscipts'] as $script) {
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$JSscript_txt.="<script src='".LS_JS_DIR.$script."' type='text/javascript'></script>\n";
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}
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foreach ($this -> JSscripts as $script) {
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$JSscript_txt.="<script src='".LS_JS_DIR.$script."' type='text/javascript'></script>\n";
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}
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$GLOBALS['Smarty'] -> assign('LSsession_js',$JSscript_txt);
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// Css
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$Css_txt="<link rel='stylesheet' type='text/css' href='templates/css/LSdefault.css' media='screen' />\n";
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foreach ($this -> CssFiles as $file) {
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$Css_txt.="<link rel='stylesheet' type='text/css' href='templates/css/$file' media='screen' />\n";
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}
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$GLOBALS['Smarty'] -> assign('LSsession_css',$Css_txt);
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$GLOBALS['Smarty'] -> assign('LSaccess',$this -> LSaccess);
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$GLOBALS['LSerror'] -> display();
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debug_print();
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if (!$this -> template)
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$this -> setTemplate('empty.tpl');
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$GLOBALS['Smarty'] -> display($this -> template);
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}
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/**
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* Charge les droits LS de l'utilisateur
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*
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* @retval boolean True si le chargement à réussi, false sinon.
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**/
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function loadLSrights() {
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if (is_array($this -> ldapServer['LSadmins'])) {
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foreach ($this -> ldapServer['LSadmins'] as $topDn => $adminsInfos) {
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if (is_array($adminsInfos)) {
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foreach($adminsInfos as $dn => $conf) {
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if ((isset($conf['attr'])) && (isset($conf['LSobject']))) {
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if( $this -> loadLSobject($conf['LSobject']) ) {
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if ($object = new $conf['LSobject']()) {
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if ($object -> loadData($dn)) {
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$listDns=$object -> getValue($conf['attr']);
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if (is_array($listDns)) {
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if (in_array($this -> dn,$listDns)) {
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$this -> LSrights['topDn_admin'][] = $topDn;
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}
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}
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}
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else {
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debug('Impossible de chargé le dn : '.$dn);
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}
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}
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else {
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debug('Impossible de créer l\'objet de type : '.$conf['LSobject']);
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}
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}
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else {
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$GLOBALS['LSerror'] -> addErrorCode(1004,$conf['LSobject']);
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}
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}
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else {
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if ($this -> dn == $dn) {
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$this -> LSrights['topDn_admin'][] = $topDn;
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}
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}
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}
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}
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else {
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if ( $this -> dn == $adminsInfos ) {
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$this -> LSrights['topDn_admin'][] = $topDn;
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}
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}
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}
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debug($this -> LSrights['topDn_admin']);
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return true;
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}
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else {
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return;
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}
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}
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function loadLSaccess() {
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$LSaccess = array(
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'SELF' => array(
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'label' => _('Mon compte'),
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'DNs' => $this -> dn
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)
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);
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foreach ($GLOBALS['LSobjects'] as $objecttype => $objectconf) {
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$objectdn = $objectconf['container_dn'].','.$this -> topDn;
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if ($this -> isAdmin($objectdn) ) {
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$LSaccess[$objecttype] = array (
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'label' => $objectconf['label'],
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'Dns' => 'All'
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);
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}
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}
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$this -> LSaccess = $LSaccess;
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}
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function isAdmin($dn) {
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foreach($this -> LSrights['topDn_admin'] as $topDn_admin) {
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if($dn == $topDn_admin) {
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return true;
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}
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else if ( isCompatibleDNs($dn,$topDn_admin) ) {
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return true;
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}
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}
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return;
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}
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function whoami($dn) {
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if ($this -> isAdmin($dn)) {
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return 'admin';
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}
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if ($this -> dn == $dn) {
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return 'self';
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}
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return 'user';
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}
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function canAccess($LSobject,$dn=NULL,$right=NULL) {
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if (!$this -> loadLSobject($LSobject))
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return;
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if ($dn) {
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$whoami = $this -> whoami($dn);
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}
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else {
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$whoami = 'user';
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}
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if (is_array($GLOBALS['LSobjects'][$LSobject]['attrs'])) {
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if (($right=='r')||($right=='w')) {
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foreach ($GLOBALS['LSobjects'][$LSobject]['attrs'] as $attr_name => $attr_config) {
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if ($attr_config['rights'][$whoami]==$right) {
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return true;
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}
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}
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}
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else {
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foreach ($GLOBALS['LSobjects'][$LSobject]['attrs'] as $attr_name => $attr_config) {
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if ( ($attr_config['rights'][$whoami]=='r') || ($attr_config['rights'][$whoami]=='w') ) {
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return true;
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}
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}
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}
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}
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return;
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}
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function canEdit($LSobject,$dn=NULL) {
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return $this -> canAccess($LSobject,$dn,'w');
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}
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function __sleep() {
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return ( array_keys( get_object_vars( &$this ) ) );
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}
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function __wakeup() {
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return true;
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}
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}
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?>
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