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https://gitlab.easter-eggs.com/ee/ldapsaisie.git
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517 lines
15 KiB
PHP
517 lines
15 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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/**
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* Gestion de l'accès à l'annaire Ldap
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*
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* Cette classe gère l'accès à l'annuaire ldap en s'appuyant sur PEAR :: Net_LDAP2
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*/
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class LSldap {
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private static $config;
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private static $cnx = NULL;
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/**
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* D<>fini la configuration
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*
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* Cette methode définis la configuration de l'accès à l'annuaire
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $config array Tableau de configuration au format Net_LDAP2
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*
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* @retval void
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*/
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public static function setConfig ($config) {
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self :: $config = $config;
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}
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/**
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* Connect to LDAP server
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*
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* This method establish connection to LDAP server
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $config array LDAP configuration array in format of Net_LDAP2
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*
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* @retval boolean true if connected, false instead
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*/
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public static function connect($config = null) {
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if ($config) {
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self :: setConfig($config);
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}
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self :: $cnx = Net_LDAP2::connect(self :: $config);
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if (Net_LDAP2::isError(self :: $cnx)) {
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LSerror :: addErrorCode('LSldap_01',self :: $cnx -> getMessage());
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self :: $cnx = NULL;
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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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* Reconnect (or connect) with other credentials
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $dn string Bind DN
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* @param[in] $pwd array Bind password
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* @param[in] $config array LDAP configuration array in format of Net_LDAP2
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*
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* @retval boolean true if connected, false instead
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*/
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public static function reconnectAs($dn,$pwd,$config) {
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if ($config) {
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self :: setConfig($config);
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}
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if (self :: $cnx) {
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self :: $cnx -> done();
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}
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$config=self :: $config;
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$config['binddn']=$dn;
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$config['bindpw']=$pwd;
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self :: $cnx = Net_LDAP2::connect($config);
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if (Net_LDAP2::isError(self :: $cnx)) {
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LSerror :: addErrorCode('LSldap_01',self :: $cnx -> getMessage());
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self :: $cnx = NULL;
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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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* Déconnection
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*
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* Cette methode clos la connexion à l'annuaire Ldap
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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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public static function close() {
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self :: $cnx -> done();
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}
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/**
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* Recherche dans l'annuaire
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*
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* Cette methode effectue une recherche dans l'annuaire et retourne le resultat
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* de celle-ci sous la forme d'un tableau.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $filter [<b>required</b>] string Filtre de recherche Ldap
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* @param[in] $basedn string DN de base pour la recherche
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* @param[in] $params array Paramètres de recherche au format Net_LDAP2::search()
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*
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* @see Net_LDAP2::search()
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*
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* @retval array Retourne un tableau associatif contenant :
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* - ['dn'] : le DN de l'entré
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* - ['attrs'] : tableau associatif contenant les attributs (clé)
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* et leur valeur (valeur).
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*/
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public static function search ($filter,$basedn=NULL,$params = array()) {
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$ret = self :: $cnx -> search($basedn,$filter,$params);
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode('LSldap_02',$ret -> getMessage());
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return;
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}
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LSdebug("LSldap::search() : return ".$ret->count()." objet(s)");
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$retInfos=array();
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foreach($ret as $dn => $entry) {
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if (!$entry instanceof Net_LDAP2_Entry) {
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LSerror :: addErrorCode('LSldap_02',"LDAP search return an ".get_class($entry).". object");
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continue;
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}
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$retInfos[]=array('dn' => $dn, 'attrs' => $entry -> getValues());
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}
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return $retInfos;
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}
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/**
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* Compte le nombre de retour d'une recherche dans l'annuaire
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*
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* Cette methode effectue une recherche dans l'annuaire et retourne le nombre
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* d'entrés trouvées.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $filter [<b>required</b>] string Filtre de recherche Ldap
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* @param[in] $basedn string DN de base pour la recherche
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* @param[in] $params array Paramètres de recherche au format Net_LDAP2::search()
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*
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* @see Net_LDAP2::search()
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*
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* @retval numeric Le nombre d'entré trouvées
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*/
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public static function getNumberResult ($filter,$basedn=NULL,$params = array() ) {
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if (empty($filter))
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$filter=NULL;
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$ret = self :: $cnx -> search($basedn,$filter,$params);
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode('LSldap_02',$ret -> getMessage());
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return;
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}
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return $ret -> count();
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}
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/**
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* Charge les valeurs des attributs d'une entré de l'annuaire
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*
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* Cette methode recupère les valeurs des attributs d'une entrée de l'annaire
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* et les retournes sous la forme d'un tableau.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $dn string DN de l'entré Ldap
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*
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* @retval array Tableau associatif des valeurs des attributs avec en clef, le nom de l'attribut.
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*/
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public static function getAttrs($dn) {
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$infos = ldap_explode_dn($dn,0);
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if((!$infos)||($infos['count']==0))
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return;
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$return=self :: search('(objectClass=*)',$dn);
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return $return[0]['attrs'];
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}
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/**
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* Retourne une entrée existante ou nouvelle
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $object_type string Type de l'objet Ldap
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* @param[in] $dn string DN de l'entré Ldap
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*
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* @retval ldapentry|array Un objet ldapentry (PEAR::Net_LDAP2)
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* ou un tableau (si c'est une nouvelle entr<74>e):
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* Array (
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* 'entry' => ldapentry,
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* 'new' => true
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* )
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*/
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public static function getEntry($object_type,$dn) {
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$obj_conf=LSconfig :: get('LSobjects.'.$object_type);
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if(is_array($obj_conf)){
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$entry = self :: getLdapEntry($dn);
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if ($entry === false) {
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$newentry = self :: getNewEntry($dn,$obj_conf['objectclass'],array());
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if (!$newentry) {
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return;
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}
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return array('entry' => $newentry,'new' => true);
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}
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else {
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return $entry;
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}
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}
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else {
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LSerror :: addErrorCode('LSldap_03');
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return;
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}
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}
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/**
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* Retourne un object NetLDAP d'une entree existante
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $dn string DN de l'entré Ldap
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*
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* @retval ldapentry|boolean Un objet ldapentry (PEAR::Net_LDAP2) ou false en
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* cas de probl<62>me
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*/
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public static function getLdapEntry($dn) {
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$entry = self :: $cnx -> getEntry($dn);
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if (Net_LDAP2::isError($entry)) {
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return false;
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}
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else {
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return $entry;
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}
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}
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/**
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* Retourne une nouvelle entr<74>e
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*
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* @param[in] $dn string Le DN de l'objet
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* @param[in] $objectClass array Un tableau contenant les objectClass de l'objet
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* @param[in] $attrs array Un tabeau du type array('attr_name' => attr_value, ...)
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*
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* @retval mixed Le nouvelle objet en cas de succ<63>s, false sinon
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*/
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public static function getNewEntry($dn,$objectClass,$attrs,$add=false) {
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$newentry = Net_LDAP2_Entry::createFresh($dn,array_merge(array('objectclass' =>$objectClass),(array)$attrs));
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if(Net_LDAP2::isError($newentry)) {
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return false;
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}
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if($add) {
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if(!self :: $cnx -> add($newentry)) {
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return;
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}
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}
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return $newentry;
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}
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/**
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* Met à jour une entrée dans l'annuaire
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*
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* Remarque : Supprime les valeurs vides de attributs et les attributs sans valeur.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @param[in] $object_type string Type de l'objet Ldap
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* @param[in] $dn string DN de l'entré Ldap
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* @param[in] $change array Tableau des modifications à apporter
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*
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* @retval boolean true si l'objet a bien été mis à jour, false sinon
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*/
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public static function update($object_type,$dn,$change) {
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LSdebug($change);
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$dropAttr=array();
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$entry=self :: getEntry($object_type,$dn);
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if (is_array($entry)) {
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$new = $entry['new'];
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$entry = $entry['entry'];
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}
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else {
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$new = false;
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}
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if($entry) {
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foreach($change as $attrName => $attrVal) {
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$drop = true;
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if (is_array($attrVal)) {
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foreach($attrVal as $val) {
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if (!empty($val)||(is_string($val)&&($val=="0"))) {
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$drop = false;
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$changeData[$attrName][]=$val;
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}
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}
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}
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else {
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if (!empty($attrVal)||(is_string($attrVal)&&($attrVal=="0"))) {
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$drop = false;
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$changeData[$attrName][]=$attrVal;
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}
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}
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if($drop) {
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$dropAttr[] = $attrName;
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}
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}
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if (isset($changeData)) {
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$entry -> replace($changeData);
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LSdebug('change : <pre>'.print_r($changeData,true).'</pre>');
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LSdebug('drop : <pre>'.print_r($dropAttr,true).'</pre>');
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}
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else {
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LSdebug('No change');
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}
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if ($new) {
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LSdebug('LSldap :: add()');
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$ret = self :: $cnx -> add($entry);
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}
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else {
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LSdebug('LSldap :: update()');
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$ret = $entry -> update();
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}
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode('LSldap_05',$dn);
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LSerror :: addErrorCode(0,'NetLdap-Error : '.$ret->getMessage());
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}
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else {
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if (!empty($dropAttr) && !$new) {
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foreach($dropAttr as $attr) {
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$value = $entry -> getValue($attr);
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if(Net_LDAP2::isError($value) || empty($value)) {
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// Attribut n'existe pas dans l'annuaire
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continue;
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}
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// M<>thode bugg<67> : suppression impossible de certain attribut
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// exemple : jpegPhoto
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// $entry -> delete($attr);
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$entry -> replace(array($attr =>array()));
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}
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$ret = $entry -> update();
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode('LSldap_06');
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LSerror :: addErrorCode(0,'NetLdap-Error : '.$ret->getMessage());
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}
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}
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return true;
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}
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}
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else {
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LSerror :: addErrorCode('LSldap_04');
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return;
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}
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}
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/**
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* Test de bind
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*
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* Cette methode établie une connexion à l'annuaire Ldap et test un bind
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* avec un login et un mot de passe passé en paramètre
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*
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* @retval boolean true si la connection à réussi, false sinon
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*/
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public static function checkBind($dn,$pwd) {
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$config = self :: $config;
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$config['binddn'] = $dn;
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$config['bindpw'] = $pwd;
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$cnx = Net_LDAP2::connect($config);
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if (Net_LDAP2::isError($cnx)) {
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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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* Retourne l'état de la connexion Ldap
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*
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* @retval boolean True si le serveur est connecté, false sinon.
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*/
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public static function isConnected() {
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return (self :: $cnx == NULL)?false:true;
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}
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/**
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* Supprime un objet de l'annuaire
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*
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* @param[in] string DN de l'objet à supprimer
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*
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* @retval boolean True si l'objet à été supprimé, false sinon
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*/
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public static function remove($dn) {
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$ret = self :: $cnx -> delete($dn,array('recursive' => true));
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode(0,'NetLdap-Error : '.$ret->getMessage());
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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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* D<>place un objet LDAP dans l'annuaire
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*
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* @param[in] $old string Le DN actuel
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* @param[in] $new string Le futur DN
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*
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* @retval boolean True si l'objet a <20>t<EFBFBD> d<>plac<61>, false sinon
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*/
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public static function move($old,$new) {
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$ret = self :: $cnx -> move($old,$new);
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if (Net_LDAP2::isError($ret)) {
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LSerror :: addErrorCode('LSldap_07');
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LSerror :: addErrorCode(0,'NetLdap-Error : '.$ret->getMessage());
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return;
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}
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return true;
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}
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/**
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* Combine LDAP Filters
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*
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* @params array Array of LDAP filters
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*
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* @retval Net_LDAP2_Filter | False The combined filter or False
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**/
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public static function combineFilters($op,$filters,$asStr=false) {
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if (is_array($filters) && !empty($filters)) {
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if (count($filters)==1) {
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if ($asStr && $filters[0] instanceof Net_LDAP2_Filter) {
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return $filters[0]->asString();
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}
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else {
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return $filters[0];
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}
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}
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$filter=Net_LDAP2_Filter::combine($op,$filters);
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if (!Net_LDAP2::isError($filter)) {
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if ($asStr) {
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return $filter->asString();
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}
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else {
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return $filter;
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}
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}
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else {
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LSerror :: addErrorCode(0,$filter -> getMessage());
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}
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}
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return;
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}
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/**
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* Check LDAP Filters String
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*
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* @params string A LDAP filter as string
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*
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* @retval boolean True only if the filter could be parsed
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**/
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public static function isValidFilter($filter) {
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if (is_string($filter) && !empty($filter)) {
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$filter=Net_LDAP2_Filter::parse($filter);
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if (!Net_LDAP2::isError($filter)) {
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return true;
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}
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else {
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LSerror :: addErrorCode(0,$filter -> getMessage());
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}
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}
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return;
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}
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}
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/*
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* Error Codes
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*/
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LSerror :: defineError('LSldap_01',
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_("LSldap : Error during the LDAP server connection (%{msg}).")
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);
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LSerror :: defineError('LSldap_02',
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_("LSldap : Error during the LDAP search (%{msg}).")
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);
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LSerror :: defineError('LSldap_03',
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_("LSldap : Object type unknown.")
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);
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LSerror :: defineError('LSldap_04',
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_("LSldap : Error while fetching the LDAP entry.")
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);
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LSerror :: defineError('LSldap_05',
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_("LSldap : Error while changing the LDAP entry (DN : %{dn}).")
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);
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LSerror :: defineError('LSldap_06',
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_("LSldap : Error while deleting empty attributes.")
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);
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LSerror :: defineError('LSldap_07',
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||
_("LSldap : Error while changing the DN of the object.")
|
||
);
|