222 lines
7.8 KiB
PHP
Executable File
222 lines
7.8 KiB
PHP
Executable File
<?php
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/**
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* class.ldap.php
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*
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* ProcessMaker Open Source Edition
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* Copyright (C) 2004 - 2008 Colosa Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
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* Coral Gables, FL, 33134, USA, or email info@colosa.com.
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*
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*/
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/**
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*
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* LDAP plugin for RBAC class
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*
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* @author Fernando Ontiveros
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* @package rbac-classes-model
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* @access public
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*/
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class LDAP
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{
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var $sAuthSource = '';
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var $aUserInfo = array();
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var $sSystem = '';
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var $sLdapLog = '';
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static private $instance = NULL;
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function __construct() {
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}
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function &getSingleton() {
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if (self::$instance == NULL) {
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self::$instance = new RBAC();
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}
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return self::$instance;
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}
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function log ( $_link , $text ) {
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$this->sLdapLog .= $text . ": ". @ldap_errno($_link) . ','. @ldap_error($_link) . "\n";
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}
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/**
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* Autentificacion de un usuario a traves de la clase RBAC_user
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*
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* verifica que un usuario tiene derechos de iniciar una aplicacion
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*
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* @author Fernando Ontiveros Lira <fernando@colosa.com>
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* @access public
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* @param string $strUser UserId (login) de usuario
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* @param string $strPass Password
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* @return
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* -1: no existe usuario
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* -2: password errado
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* -3: usuario inactivo
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* -4: usuario vencido
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* n : uid de usuario
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*/
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function VerifyLogin( $strUser, $strPass) {
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//get the AuthSource properties
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if ( strlen($strPass) == 0) return -2;
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$RBAC = RBAC::getSingleton();
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$aAuthSource = $RBAC->authSourcesObj->load($this->sAuthSource );
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$sAuthHost = $aAuthSource['AUTH_SOURCE_SERVER_NAME'];
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$sAuthPort = $aAuthSource['AUTH_SOURCE_PORT'];
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$sAuthTls = $aAuthSource['AUTH_SOURCE_ENABLED_TLS'];
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$sAuthBaseDn = $aAuthSource['AUTH_SOURCE_BASE_DN'];
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$sAuthFilter = $aAuthSource['AUTH_SOURCE_OBJECT_CLASSES'];
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$sAuthType = 'AD';
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$sAuthVersion = $aAuthSource['AUTH_SOURCE_VERSION'];
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$aAttributes = $aAuthSource['AUTH_SOURCE_ATTRIBUTES'];//array ('dn',"cn", "samaccountname", "givenname", "sn", "mail");
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$sAuthUser = $aAuthSource['AUTH_SOURCE_SEARCH_USER'];
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$sAuthPass = $aAuthSource['AUTH_SOURCE_PASSWORD'];
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$_link = @ldap_connect( $sAuthHost, $sAuthPort );
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$this->log ( $_link, "ldap connect" );
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ldap_set_option($_link, LDAP_OPT_PROTOCOL_VERSION, $sAuthVersion);
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$this->log ( $_link, "ldap set Protocol Version $sAuthVersion" );
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ldap_set_option($_link, LDAP_OPT_REFERRALS, 0);
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$this->log ( $_link, "ldap set option Referrals" );
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if ( isset($sAuthTls) && $sAuthTls ) {
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@ldap_start_tls($_link);
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$this->log ( $_link, "start tls" );
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}
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$bind = @ldap_bind($_link);
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$this->log ( $_link, "ldap bind anonymous" );
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$validUserPass = @ldap_bind($_link, $strUser,$strPass );
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$this->log ( $_link, "ldap binding with user $strUser" );
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return $validUserPass ;
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}
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function searchUsers($sKeyword) {
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$sKeyword = trim($sKeyword);
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$RBAC = RBAC::getSingleton();
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$aAuthSource = $RBAC->authSourcesObj->load($this->sAuthSource);
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$oLink = @ldap_connect($aAuthSource['AUTH_SOURCE_SERVER_NAME'], $aAuthSource['AUTH_SOURCE_PORT']);
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@ldap_set_option($oLink, LDAP_OPT_PROTOCOL_VERSION, $aAuthSource['AUTH_SOURCE_VERSION']);
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@ldap_set_option($oLink, LDAP_OPT_REFERRALS, 0);
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if (isset($aAuthSource['AUTH_SOURCE_ENABLED_TLS']) && $aAuthSource['AUTH_SOURCE_ENABLED_TLS']) {
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@ldap_start_tls($oLink);
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}
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if ($aAuthSource['AUTH_ANONYMOUS'] == '1') {
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$bBind = @ldap_bind($oLink);
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}
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else {
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$bBind = @ldap_bind($oLink, $aAuthSource['AUTH_SOURCE_SEARCH_USER'], $aAuthSource['AUTH_SOURCE_PASSWORD']);
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}
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if ( !$bBind ) {
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throw new Exception('Unable to bind to server : ' . $aAuthSource['AUTH_SOURCE_SERVER_NAME'] . ' in port ' . $aAuthSource['AUTH_SOURCE_PORT']);
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}
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if (substr($sKeyword , -1) != '*') {
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if ($sKeyword != '') {
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$sKeyword = '*' . $sKeyword . '*';
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}
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else {
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$sKeyword .= '*';
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}
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}
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$sFilter = '(&';
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if (count($aAuthSource['AUTH_SOURCE_OBJECT_CLASSES']) > 0) {
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$sFilter .= '(|';
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$aObjects = explode("\n", $aAuthSource['AUTH_SOURCE_OBJECT_CLASSES']);
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foreach ($aObjects as $sObject) {
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$sFilter .= '(objectClass=' . trim($sObject) . ')';
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}
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$sFilter .= ')';
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}
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if (count($aAuthSource['AUTH_SOURCE_ATTRIBUTES']) > 0) {
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$sFilter .= '(|';
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$aAttributes = explode("\n", $aAuthSource['AUTH_SOURCE_ATTRIBUTES']);
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foreach ($aAttributes as $sObject) {
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$sObject = trim($sObject);
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if ($sObject != '') {
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$sFilter .= '(' . trim($sObject) . '=' . $sKeyword . ')';
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}
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}
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$sFilter .= ')';
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}
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// note added by gustavo cruz gustavo-at-colosa.com
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// code added in order to add the data of the aditional filter field
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// the nature of the filter and the correct use will be explained in a
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// future blog post
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$sFilter .= isset($aAuthSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_ADDITIONAL_FILTER'])
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? $aAuthSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_ADDITIONAL_FILTER'] :'' ;
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$sFilter .= ')';
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// G::pr($sFilter);
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$aUsers = array();
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$oSearch = @ldap_search($oLink, $aAuthSource['AUTH_SOURCE_BASE_DN'], $sFilter);
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if ($oError = @ldap_errno($oLink)) {
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return $aUsers;
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}
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else {
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if ($oSearch) {
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if (@ldap_count_entries($oLink, $oSearch) > 0) {
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$sUsername = '';
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$oEntry = @ldap_first_entry($oLink, $oSearch);
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$uidUser = isset ( $aAuthSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_IDENTIFIER_FOR_USER'] ) ? $aAuthSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_IDENTIFIER_FOR_USER'] : 'uid';
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do {
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$aAttr = $this->getLdapAttributes ( $oLink, $oEntry );
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$sUsername = isset($aAttr[ $uidUser ]) ? $aAttr[ $uidUser ] : '';
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if ($sUsername != '') {
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// note added by gustavo cruz gustavo-at-colosa.com
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// assign the givenname and sn fields if these are set
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$aUsers[] = array('sUsername' => $sUsername,
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'sFullname' => $aAttr['cn'],
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'sFirstname' => isset($aAttr['givenname']) ? $aAttr['givenname'] : '',
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'sLastname' => isset($aAttr['sn']) ? $aAttr['sn'] : '',
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'sEmail' => isset($aAttr['mail']) ? $aAttr['mail'] : ( isset($aAttr['userprincipalname'])?$aAttr['userprincipalname'] : '') ,
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'sDN' => $aAttr['dn'] );
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}
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} while ($oEntry = @ldap_next_entry($oLink, $oEntry));
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}
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}
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return $aUsers;
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}
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}
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function getLdapAttributes ( $oLink, $oEntry ) {
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$aAttrib['dn'] = @ldap_get_dn($oLink, $oEntry);
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$aAttr = @ldap_get_attributes($oLink, $oEntry);
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for ( $iAtt = 0 ; $iAtt < $aAttr['count']; $iAtt++ ) {
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switch ( $aAttr[ $aAttr[$iAtt] ]['count'] ) {
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case 0: $aAttrib[ strtolower($aAttr[$iAtt]) ]= '';
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break;
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case 1: $aAttrib[ strtolower($aAttr[$iAtt]) ]= $aAttr[ $aAttr[$iAtt] ][0];
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break;
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default:
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$aAttrib[ strtolower($aAttr[$iAtt]) ]= $aAttr[ $aAttr[$iAtt] ];
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unset( $aAttrib[ $aAttr[$iAtt] ]['count'] );
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break;
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}
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}
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return $aAttrib;
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}
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}
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