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353 lines
9.7 KiB
PHP
353 lines
9.7 KiB
PHP
<?php
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/**
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) The Roundcube Dev Team |
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| Copyright (C) Kolab Systems AG |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| PURPOSE: |
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| Provide basic functionality for accessing LDAP directories |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Aleksander Machniak <machniak@kolabsys.com> |
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+-----------------------------------------------------------------------+
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*/
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/**
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* Model class to access an LDAP directories
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*
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* @package Framework
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* @subpackage LDAP
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*/
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class rcube_ldap_generic extends Net_LDAP3
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{
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/** private properties */
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protected $cache = null;
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protected $attributes = array('dn');
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protected $error;
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function __construct($config = null)
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{
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parent::__construct($config);
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$this->config_set('log_hook', array($this, 'log'));
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}
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/**
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* Establish a connection to the LDAP server
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*/
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public function connect($host = null)
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{
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// Net_LDAP3 does not support IDNA yet
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// also parse_host() here is very Roundcube specific
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$host = rcube_utils::parse_host($host, $this->config['mail_domain']);
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$host = rcube_utils::idn_to_ascii($host);
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return parent::connect($host);
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}
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/**
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* Prints debug/error info to the log
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*/
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public function log($level, $msg)
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{
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$msg = implode("\n", $msg);
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switch ($level) {
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case LOG_DEBUG:
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case LOG_INFO:
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case LOG_NOTICE:
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if ($this->config['debug']) {
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rcube::write_log('ldap', $msg);
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}
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break;
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case LOG_EMERG:
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case LOG_ALERT:
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case LOG_CRIT:
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rcube::raise_error($msg, true, true);
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break;
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case LOG_ERR:
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case LOG_WARNING:
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$this->error = $msg;
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rcube::raise_error($msg, true, false);
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break;
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}
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}
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/**
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* Returns the last LDAP error occurred
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*
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* @return mixed Error message string or null if no error occurred
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*/
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function get_error()
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{
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return $this->error;
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}
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/**
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* @deprecated
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*/
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public function set_debug($dbg = true)
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{
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$this->config['debug'] = (bool) $dbg;
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}
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/**
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* @deprecated
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*/
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public function set_cache($cache_engine)
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{
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$this->config['cache'] = $cache_engine;
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}
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/**
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* @deprecated
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*/
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public static function scope2func($scope, &$ns_function = null)
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{
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return self::scope_to_function($scope, $ns_function);
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}
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/**
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* @deprecated
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*/
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public function set_config($opt, $val = null)
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{
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$this->config_set($opt, $val);
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}
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/**
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* @deprecated
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*/
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public function add($dn, $entry)
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{
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return $this->add_entry($dn, $entry);
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}
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/**
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* @deprecated
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*/
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public function delete($dn)
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{
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return $this->delete_entry($dn);
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}
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/**
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* Wrapper for ldap_mod_replace()
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*
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* @see ldap_mod_replace()
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*/
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public function mod_replace($dn, $entry)
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{
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$this->_debug("C: Replace $dn: ".print_r($entry, true));
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if (!ldap_mod_replace($this->conn, $dn, $entry)) {
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$this->_error("ldap_mod_replace() failed with " . ldap_error($this->conn));
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return false;
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}
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$this->_debug("S: OK");
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return true;
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}
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/**
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* Wrapper for ldap_mod_add()
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*
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* @see ldap_mod_add()
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*/
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public function mod_add($dn, $entry)
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{
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$this->_debug("C: Add $dn: ".print_r($entry, true));
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if (!ldap_mod_add($this->conn, $dn, $entry)) {
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$this->_error("ldap_mod_add() failed with " . ldap_error($this->conn));
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return false;
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}
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$this->_debug("S: OK");
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return true;
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}
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/**
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* Wrapper for ldap_mod_del()
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*
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* @see ldap_mod_del()
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*/
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public function mod_del($dn, $entry)
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{
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$this->_debug("C: Delete $dn: ".print_r($entry, true));
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if (!ldap_mod_del($this->conn, $dn, $entry)) {
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$this->_error("ldap_mod_del() failed with " . ldap_error($this->conn));
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return false;
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}
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$this->_debug("S: OK");
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return true;
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}
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/**
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* Wrapper for ldap_rename()
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*
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* @see ldap_rename()
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*/
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public function rename($dn, $newrdn, $newparent = null, $deleteoldrdn = true)
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{
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$this->_debug("C: Rename $dn to $newrdn");
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if (!ldap_rename($this->conn, $dn, $newrdn, $newparent, $deleteoldrdn)) {
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$this->_error("ldap_rename() failed with " . ldap_error($this->conn));
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return false;
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}
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$this->_debug("S: OK");
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return true;
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}
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/**
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* Wrapper for ldap_list() + ldap_get_entries()
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*
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* @see ldap_list()
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* @see ldap_get_entries()
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*/
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public function list_entries($dn, $filter, $attributes = array('dn'))
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{
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$list = array();
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$this->_debug("C: List $dn [{$filter}]");
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if ($result = ldap_list($this->conn, $dn, $filter, $attributes)) {
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$list = ldap_get_entries($this->conn, $result);
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if ($list === false) {
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$this->_error("ldap_get_entries() failed with " . ldap_error($this->conn));
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return array();
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}
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$count = $list['count'];
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unset($list['count']);
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$this->_debug("S: $count record(s)");
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}
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else {
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$this->_error("ldap_list() failed with " . ldap_error($this->conn));
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}
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return $list;
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}
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/**
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* Wrapper for ldap_read() + ldap_get_entries()
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*
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* @see ldap_read()
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* @see ldap_get_entries()
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*/
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public function read_entries($dn, $filter, $attributes = null)
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{
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$this->_debug("C: Read $dn [{$filter}]");
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if ($this->conn && $dn) {
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$result = @ldap_read($this->conn, $dn, $filter, $attributes, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']);
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if ($result === false) {
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$this->_error("ldap_read() failed with " . ldap_error($this->conn));
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return false;
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}
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$this->_debug("S: OK");
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return ldap_get_entries($this->conn, $result);
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}
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return false;
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}
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/**
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* Turn an LDAP entry into a regular PHP array with attributes as keys.
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*
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* @param array $entry Attributes array as retrieved from ldap_get_attributes() or ldap_get_entries()
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* @param bool $flat Convert one-element-array values into strings (not implemented)
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*
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* @return array Hash array with attributes as keys
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*/
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public static function normalize_entry($entry, $flat = false)
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{
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if (!isset($entry['count'])) {
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return $entry;
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}
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$rec = array();
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for ($i=0; $i < $entry['count']; $i++) {
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$attr = $entry[$i];
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if ($entry[$attr]['count'] == 1) {
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switch ($attr) {
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case 'objectclass':
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$rec[$attr] = array(strtolower($entry[$attr][0]));
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break;
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default:
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$rec[$attr] = $entry[$attr][0];
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break;
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}
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}
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else {
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for ($j=0; $j < $entry[$attr]['count']; $j++) {
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$rec[$attr][$j] = $entry[$attr][$j];
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}
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}
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}
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return $rec;
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}
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/**
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* Compose an LDAP filter string matching all words from the search string
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* in the given list of attributes.
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*
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* @param string $value Search value
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* @param mixed $attrs List of LDAP attributes to search
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* @param int $mode Matching mode:
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* 0 - partial (*abc*),
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* 1 - strict (=),
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* 2 - prefix (abc*)
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* @return string LDAP filter
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*/
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public static function fulltext_search_filter($value, $attributes, $mode = 1)
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{
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if (empty($attributes)) {
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$attributes = array('cn');
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}
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$groups = array();
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$value = str_replace('*', '', $value);
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$words = $mode == 0 ? rcube_utils::tokenize_string($value, 1) : array($value);
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// set wildcards
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$wp = $ws = '';
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if ($mode != 1) {
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$ws = '*';
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$wp = !$mode ? '*' : '';
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}
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// search each word in all listed attributes
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foreach ($words as $word) {
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$parts = array();
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foreach ($attributes as $attr) {
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$parts[] = "($attr=$wp" . self::quote_string($word) . "$ws)";
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}
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$groups[] = '(|' . implode('', $parts) . ')';
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}
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return count($groups) > 1 ? '(&' . implode('', $groups) . ')' : implode('', $groups);
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}
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}
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// for backward compat.
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class rcube_ldap_result extends Net_LDAP3_Result {}
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