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1402 lines
45 KiB
PHP
1402 lines
45 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcube_ldap.php |
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| |
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2006-2011, The Roundcube Dev Team |
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| Licensed under the GNU GPL |
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| |
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| PURPOSE: |
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| Interface to an LDAP address directory |
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| |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Andreas Dick <andudi (at) gmx (dot) ch> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* Model class to access an LDAP address directory
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*
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* @package Addressbook
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*/
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class rcube_ldap extends rcube_addressbook
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{
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/** public properties */
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public $primary_key = 'ID';
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public $groups = false;
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public $readonly = true;
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public $ready = false;
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public $group_id = 0;
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public $list_page = 1;
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public $page_size = 10;
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public $coltypes = array();
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/** private properties */
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protected $conn;
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protected $prop = array();
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protected $fieldmap = array();
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protected $filter = '';
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protected $result = null;
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protected $ldap_result = null;
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protected $sort_col = '';
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protected $mail_domain = '';
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protected $debug = false;
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private $base_dn = '';
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private $groups_base_dn = '';
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private $group_cache = array();
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private $group_members = array();
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private $vlv_active = false;
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private $vlv_count = 0;
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/**
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* Object constructor
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*
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* @param array LDAP connection properties
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* @param boolean Enables debug mode
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* @param string Current user mail domain name
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* @param integer User-ID
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*/
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function __construct($p, $debug=false, $mail_domain=NULL)
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{
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$this->prop = $p;
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// check if groups are configured
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if (is_array($p['groups']) and count($p['groups']))
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$this->groups = true;
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// fieldmap property is given
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if (is_array($p['fieldmap'])) {
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foreach ($p['fieldmap'] as $rf => $lf)
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$this->fieldmap[$rf] = $this->_attr_name(strtolower($lf));
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}
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else {
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// read deprecated *_field properties to remain backwards compatible
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foreach ($p as $prop => $value)
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if (preg_match('/^(.+)_field$/', $prop, $matches))
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$this->fieldmap[$matches[1]] = $this->_attr_name(strtolower($value));
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}
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// use fieldmap to advertise supported coltypes to the application
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foreach ($this->fieldmap as $col => $lf) {
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list($col, $type) = explode(':', $col);
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if (!is_array($this->coltypes[$col])) {
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$subtypes = $type ? array($type) : null;
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$this->coltypes[$col] = array('limit' => 2, 'subtypes' => $subtypes);
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}
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elseif ($type) {
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$this->coltypes[$col]['subtypes'][] = $type;
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$this->coltypes[$col]['limit']++;
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}
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if ($type && !$this->fieldmap[$col])
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$this->fieldmap[$col] = $lf;
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}
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if ($this->fieldmap['street'] && $this->fieldmap['locality'])
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$this->coltypes['address'] = array('limit' => 1);
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else if ($this->coltypes['address'])
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$this->coltypes['address'] = array('type' => 'textarea', 'childs' => null, 'limit' => 1, 'size' => 40);
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// make sure 'required_fields' is an array
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if (!is_array($this->prop['required_fields']))
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$this->prop['required_fields'] = (array) $this->prop['required_fields'];
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foreach ($this->prop['required_fields'] as $key => $val)
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$this->prop['required_fields'][$key] = $this->_attr_name(strtolower($val));
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$this->sort_col = is_array($p['sort']) ? $p['sort'][0] : $p['sort'];
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$this->debug = $debug;
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$this->mail_domain = $mail_domain;
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$this->_connect();
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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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private function _connect()
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{
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global $RCMAIL;
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if (!function_exists('ldap_connect'))
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raise_error(array('code' => 100, 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "No ldap support in this installation of PHP"),
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true, true);
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if (is_resource($this->conn))
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return true;
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if (!is_array($this->prop['hosts']))
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$this->prop['hosts'] = array($this->prop['hosts']);
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if (empty($this->prop['ldap_version']))
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$this->prop['ldap_version'] = 3;
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foreach ($this->prop['hosts'] as $host)
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{
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$host = idn_to_ascii(rcube_parse_host($host));
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$this->_debug("C: Connect [$host".($this->prop['port'] ? ':'.$this->prop['port'] : '')."]");
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if ($lc = @ldap_connect($host, $this->prop['port']))
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{
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if ($this->prop['use_tls']===true)
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if (!ldap_start_tls($lc))
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continue;
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$this->_debug("S: OK");
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ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->prop['ldap_version']);
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$this->prop['host'] = $host;
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$this->conn = $lc;
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break;
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}
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$this->_debug("S: NOT OK");
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}
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if (is_resource($this->conn))
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{
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$this->ready = true;
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$bind_pass = $this->prop['bind_pass'];
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$bind_user = $this->prop['bind_user'];
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$bind_dn = $this->prop['bind_dn'];
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$this->base_dn = $this->prop['base_dn'];
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// User specific access, generate the proper values to use.
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if ($this->prop['user_specific']) {
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// No password set, use the session password
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if (empty($bind_pass)) {
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$bind_pass = $RCMAIL->decrypt($_SESSION['password']);
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}
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// Get the pieces needed for variable replacement.
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$fu = $RCMAIL->user->get_username();
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list($u, $d) = explode('@', $fu);
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$dc = 'dc='.strtr($d, array('.' => ',dc=')); // hierarchal domain string
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$replaces = array('%dc' => $dc, '%d' => $d, '%fu' => $fu, '%u' => $u);
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if ($this->prop['search_base_dn'] && $this->prop['search_filter']) {
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// Search for the dn to use to authenticate
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$this->prop['search_base_dn'] = strtr($this->prop['search_base_dn'], $replaces);
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$this->prop['search_filter'] = strtr($this->prop['search_filter'], $replaces);
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$this->_debug("S: searching with base {$this->prop['search_base_dn']} for {$this->prop['search_filter']}");
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$res = ldap_search($this->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
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if ($res && ($entry = ldap_first_entry($this->conn, $res))) {
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$bind_dn = ldap_get_dn($this->conn, $entry);
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$this->_debug("S: search returned dn: $bind_dn");
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if ($bind_dn) {
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$dn = ldap_explode_dn($bind_dn, 1);
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$replaces['%dn'] = $dn[0];
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}
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}
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}
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// Replace the bind_dn and base_dn variables.
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$bind_dn = strtr($bind_dn, $replaces);
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$this->base_dn = strtr($this->base_dn, $replaces);
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if (empty($bind_user)) {
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$bind_user = $u;
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}
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}
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if (!empty($bind_pass)) {
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if (!empty($bind_dn)) {
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$this->ready = $this->_bind($bind_dn, $bind_pass);
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}
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else if (!empty($this->prop['auth_cid'])) {
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$this->ready = $this->_sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user);
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}
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else {
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$this->ready = $this->_sasl_bind($bind_user, $bind_pass);
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}
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}
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}
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else
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raise_error(array('code' => 100, 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Could not connect to any LDAP server, last tried $host:{$this->prop[port]}"), true);
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// See if the directory is writeable.
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if ($this->prop['writable']) {
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$this->readonly = false;
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} // end if
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}
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/**
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* Bind connection with (SASL-) user and password
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*
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* @param string $authc Authentication user
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* @param string $pass Bind password
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* @param string $authz Autorization user
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*
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* @return boolean True on success, False on error
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*/
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private function _sasl_bind($authc, $pass, $authz=null)
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{
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if (!$this->conn) {
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return false;
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}
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if (!function_exists('ldap_sasl_bind')) {
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raise_error(array('code' => 100, 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Unable to bind: ldap_sasl_bind() not exists"),
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true, true);
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}
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if (!empty($authz)) {
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$authz = 'u:' . $authz;
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}
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if (!empty($this->prop['auth_method'])) {
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$method = $this->prop['auth_method'];
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}
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else {
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$method = 'DIGEST-MD5';
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}
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$this->_debug("C: Bind [mech: $method, authc: $authc, authz: $authz] [pass: $pass]");
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if (ldap_sasl_bind($this->conn, NULL, $pass, $method, NULL, $authc, $authz)) {
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$this->_debug("S: OK");
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return true;
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}
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$this->_debug("S: ".ldap_error($this->conn));
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raise_error(array(
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'code' => ldap_errno($this->conn), 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Bind failed for authcid=$authc ".ldap_error($this->conn)),
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true);
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return false;
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}
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/**
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* Bind connection with DN and password
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*
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* @param string Bind DN
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* @param string Bind password
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*
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* @return boolean True on success, False on error
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*/
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private function _bind($dn, $pass)
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{
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if (!$this->conn) {
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return false;
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}
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$this->_debug("C: Bind [dn: $dn] [pass: $pass]");
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if (@ldap_bind($this->conn, $dn, $pass)) {
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$this->_debug("S: OK");
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return true;
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}
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$this->_debug("S: ".ldap_error($this->conn));
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raise_error(array(
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'code' => ldap_errno($this->conn), 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
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true);
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return false;
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}
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/**
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* Close connection to LDAP server
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*/
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function close()
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{
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if ($this->conn)
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{
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$this->_debug("C: Close");
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ldap_unbind($this->conn);
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$this->conn = null;
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}
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}
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/**
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* Returns address book name
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*
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* @return string Address book name
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*/
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function get_name()
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{
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return $this->prop['name'];
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}
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/**
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* Set internal list page
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*
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* @param number $page Page number to list
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*/
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function set_page($page)
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{
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$this->list_page = (int)$page;
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}
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/**
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* Set internal page size
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*
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* @param number $size Number of messages to display on one page
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*/
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function set_pagesize($size)
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{
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$this->page_size = (int)$size;
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}
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/**
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* Save a search string for future listings
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*
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* @param string $filter Filter string
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*/
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function set_search_set($filter)
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{
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$this->filter = $filter;
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}
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/**
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* Getter for saved search properties
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*
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* @return mixed Search properties used by this class
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*/
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function get_search_set()
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{
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return $this->filter;
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}
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/**
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* Reset all saved results and search parameters
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*/
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function reset()
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{
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$this->result = null;
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$this->ldap_result = null;
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$this->filter = '';
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}
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/**
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* List the current set of contact records
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*
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* @param array List of cols to show
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* @param int Only return this number of records
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*
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* @return array Indexed list of contact records, each a hash array
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*/
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function list_records($cols=null, $subset=0)
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{
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// add general filter to query
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if (!empty($this->prop['filter']) && empty($this->filter))
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{
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$filter = $this->prop['filter'];
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$this->set_search_set($filter);
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}
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// exec LDAP search if no result resource is stored
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if ($this->conn && !$this->ldap_result)
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$this->_exec_search();
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// count contacts for this user
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$this->result = $this->count();
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// we have a search result resource
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if ($this->ldap_result && $this->result->count > 0)
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{
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if ($this->sort_col && $this->prop['scope'] !== 'base' && !$this->vlv_active)
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ldap_sort($this->conn, $this->ldap_result, $this->sort_col);
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$start_row = $this->vlv_active ? 0 : $this->result->first;
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$start_row = $subset < 0 ? $start_row + $this->page_size + $subset : $start_row;
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$last_row = $this->result->first + $this->page_size;
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$last_row = $subset != 0 ? $start_row + abs($subset) : $last_row;
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|
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$entries = ldap_get_entries($this->conn, $this->ldap_result);
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for ($i = $start_row; $i < min($entries['count'], $last_row); $i++)
|
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$this->result->add($this->_ldap2result($entries[$i]));
|
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}
|
|
|
|
// temp hack for filtering group members
|
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if ($this->groups and $this->group_id)
|
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{
|
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$result = new rcube_result_set();
|
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while ($record = $this->result->iterate())
|
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{
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if ($this->group_members[$record['ID']])
|
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{
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$result->add($record);
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$result->count++;
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}
|
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}
|
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$this->result = $result;
|
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}
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|
|
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return $this->result;
|
|
}
|
|
|
|
|
|
/**
|
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* Search contacts
|
|
*
|
|
* @param mixed $fields The field name of array of field names to search in
|
|
* @param mixed $value Search value (or array of values when $fields is array)
|
|
* @param boolean $strict True for strict, False for partial (fuzzy) matching
|
|
* @param boolean $select True if results are requested, False if count only
|
|
* @param boolean $nocount (Not used)
|
|
* @param array $required List of fields that cannot be empty
|
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*
|
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* @return array Indexed list of contact records and 'count' value
|
|
*/
|
|
function search($fields, $value, $strict=false, $select=true, $nocount=false, $required=array())
|
|
{
|
|
// special treatment for ID-based search
|
|
if ($fields == 'ID' || $fields == $this->primary_key)
|
|
{
|
|
$ids = !is_array($value) ? explode(',', $value) : $value;
|
|
$result = new rcube_result_set();
|
|
foreach ($ids as $id)
|
|
{
|
|
if ($rec = $this->get_record($id, true))
|
|
{
|
|
$result->add($rec);
|
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$result->count++;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
// use AND operator for advanced searches
|
|
$filter = is_array($value) ? '(&' : '(|';
|
|
$wc = !$strict && $this->prop['fuzzy_search'] ? '*' : '';
|
|
|
|
if ($fields == '*')
|
|
{
|
|
// search_fields are required for fulltext search
|
|
if (empty($this->prop['search_fields']))
|
|
{
|
|
$this->set_error(self::ERROR_SEARCH, 'nofulltextsearch');
|
|
$this->result = new rcube_result_set();
|
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return $this->result;
|
|
}
|
|
if (is_array($this->prop['search_fields']))
|
|
{
|
|
foreach ($this->prop['search_fields'] as $field) {
|
|
$filter .= "($field=$wc" . $this->_quote_string($value) . "$wc)";
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach ((array)$fields as $idx => $field) {
|
|
$val = is_array($value) ? $value[$idx] : $value;
|
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if ($f = $this->_map_field($field)) {
|
|
$filter .= "($f=$wc" . $this->_quote_string($val) . "$wc)";
|
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}
|
|
}
|
|
}
|
|
$filter .= ')';
|
|
|
|
// add required (non empty) fields filter
|
|
$req_filter = '';
|
|
foreach ((array)$required as $field)
|
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if ($f = $this->_map_field($field))
|
|
$req_filter .= "($f=*)";
|
|
|
|
if (!empty($req_filter))
|
|
$filter = '(&' . $req_filter . $filter . ')';
|
|
|
|
// avoid double-wildcard if $value is empty
|
|
$filter = preg_replace('/\*+/', '*', $filter);
|
|
|
|
// add general filter to query
|
|
if (!empty($this->prop['filter']))
|
|
$filter = '(&(' . preg_replace('/^\(|\)$/', '', $this->prop['filter']) . ')' . $filter . ')';
|
|
|
|
// set filter string and execute search
|
|
$this->set_search_set($filter);
|
|
$this->_exec_search();
|
|
|
|
if ($select)
|
|
$this->list_records();
|
|
else
|
|
$this->result = $this->count();
|
|
|
|
return $this->result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Count number of available contacts in database
|
|
*
|
|
* @return object rcube_result_set Resultset with values for 'count' and 'first'
|
|
*/
|
|
function count()
|
|
{
|
|
$count = 0;
|
|
if ($this->conn && $this->ldap_result) {
|
|
$count = $this->vlv_active ? $this->vlv_count : ldap_count_entries($this->conn, $this->ldap_result);
|
|
} // end if
|
|
elseif ($this->conn) {
|
|
// We have a connection but no result set, attempt to get one.
|
|
if (empty($this->filter)) {
|
|
// The filter is not set, set it.
|
|
$this->filter = $this->prop['filter'];
|
|
} // end if
|
|
$this->_exec_search(true);
|
|
if ($this->ldap_result) {
|
|
$count = ldap_count_entries($this->conn, $this->ldap_result);
|
|
} // end if
|
|
} // end else
|
|
|
|
return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the last result set
|
|
*
|
|
* @return object rcube_result_set Current resultset or NULL if nothing selected yet
|
|
*/
|
|
function get_result()
|
|
{
|
|
return $this->result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get a specific contact record
|
|
*
|
|
* @param mixed Record identifier
|
|
* @param boolean Return as associative array
|
|
*
|
|
* @return mixed Hash array or rcube_result_set with all record fields
|
|
*/
|
|
function get_record($dn, $assoc=false)
|
|
{
|
|
$res = null;
|
|
if ($this->conn && $dn)
|
|
{
|
|
$dn = base64_decode($dn);
|
|
|
|
$this->_debug("C: Read [dn: $dn] [(objectclass=*)]");
|
|
|
|
if ($this->ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', array_values($this->fieldmap)))
|
|
$entry = ldap_first_entry($this->conn, $this->ldap_result);
|
|
else
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
|
|
if ($entry && ($rec = ldap_get_attributes($this->conn, $entry)))
|
|
{
|
|
$this->_debug("S: OK"/* . print_r($rec, true)*/);
|
|
|
|
$rec = array_change_key_case($rec, CASE_LOWER);
|
|
|
|
// Add in the dn for the entry.
|
|
$rec['dn'] = $dn;
|
|
$res = $this->_ldap2result($rec);
|
|
$this->result = new rcube_result_set(1);
|
|
$this->result->add($res);
|
|
}
|
|
}
|
|
|
|
return $assoc ? $res : $this->result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Check the given data before saving.
|
|
* If input not valid, the message to display can be fetched using get_error()
|
|
*
|
|
* @param array Assoziative array with data to save
|
|
*
|
|
* @return boolean True if input is valid, False if not.
|
|
*/
|
|
public function validate($save_data)
|
|
{
|
|
// check for name input
|
|
if (empty($save_data['name'])) {
|
|
$this->set_error('warning', 'nonamewarning');
|
|
return false;
|
|
}
|
|
|
|
// validate e-mail addresses
|
|
return parent::validate($save_data);
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a new contact record
|
|
*
|
|
* @param array Hash array with save data
|
|
*
|
|
* @return encoded record ID on success, False on error
|
|
*/
|
|
function insert($save_cols)
|
|
{
|
|
// Map out the column names to their LDAP ones to build the new entry.
|
|
$newentry = array();
|
|
$newentry['objectClass'] = $this->prop['LDAP_Object_Classes'];
|
|
foreach ($this->fieldmap as $col => $fld) {
|
|
$val = $save_cols[$col];
|
|
if (is_array($val))
|
|
$val = array_filter($val); // remove empty entries
|
|
if ($fld && $val) {
|
|
// The field does exist, add it to the entry.
|
|
$newentry[$fld] = $val;
|
|
} // end if
|
|
} // end foreach
|
|
|
|
// Verify that the required fields are set.
|
|
foreach ($this->prop['required_fields'] as $fld) {
|
|
$missing = null;
|
|
if (!isset($newentry[$fld])) {
|
|
$missing[] = $fld;
|
|
}
|
|
}
|
|
|
|
// abort process if requiered fields are missing
|
|
// TODO: generate message saying which fields are missing
|
|
if ($missing) {
|
|
$this->set_error(self::ERROR_INCOMPLETE, 'formincomplete');
|
|
return false;
|
|
}
|
|
|
|
// Build the new entries DN.
|
|
$dn = $this->prop['LDAP_rdn'].'='.$this->_quote_string($newentry[$this->prop['LDAP_rdn']], true).','.$this->base_dn;
|
|
|
|
$this->_debug("C: Add [dn: $dn]: ".print_r($newentry, true));
|
|
|
|
$res = ldap_add($this->conn, $dn, $newentry);
|
|
if ($res === FALSE) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
} // end if
|
|
|
|
$this->_debug("S: OK");
|
|
|
|
// add new contact to the selected group
|
|
if ($this->groups)
|
|
$this->add_to_group($this->group_id, base64_encode($dn));
|
|
|
|
return base64_encode($dn);
|
|
}
|
|
|
|
|
|
/**
|
|
* Update a specific contact record
|
|
*
|
|
* @param mixed Record identifier
|
|
* @param array Hash array with save data
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function update($id, $save_cols)
|
|
{
|
|
$record = $this->get_record($id, true);
|
|
$result = $this->get_result();
|
|
$record = $result->first();
|
|
|
|
$newdata = array();
|
|
$replacedata = array();
|
|
$deletedata = array();
|
|
|
|
foreach ($this->fieldmap as $col => $fld) {
|
|
$val = $save_cols[$col];
|
|
if ($fld) {
|
|
// remove empty array values
|
|
if (is_array($val))
|
|
$val = array_filter($val);
|
|
// The field does exist compare it to the ldap record.
|
|
if ($record[$col] != $val) {
|
|
// Changed, but find out how.
|
|
if (!isset($record[$col])) {
|
|
// Field was not set prior, need to add it.
|
|
$newdata[$fld] = $val;
|
|
} // end if
|
|
elseif ($val == '') {
|
|
// Field supplied is empty, verify that it is not required.
|
|
if (!in_array($fld, $this->prop['required_fields'])) {
|
|
// It is not, safe to clear.
|
|
$deletedata[$fld] = $record[$col];
|
|
} // end if
|
|
} // end elseif
|
|
else {
|
|
// The data was modified, save it out.
|
|
$replacedata[$fld] = $val;
|
|
} // end else
|
|
} // end if
|
|
} // end if
|
|
} // end foreach
|
|
|
|
$dn = base64_decode($id);
|
|
|
|
// Update the entry as required.
|
|
if (!empty($deletedata)) {
|
|
// Delete the fields.
|
|
$this->_debug("C: Delete [dn: $dn]: ".print_r($deletedata, true));
|
|
if (!ldap_mod_del($this->conn, $dn, $deletedata)) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
}
|
|
$this->_debug("S: OK");
|
|
} // end if
|
|
|
|
if (!empty($replacedata)) {
|
|
// Handle RDN change
|
|
if ($replacedata[$this->prop['LDAP_rdn']]) {
|
|
$newdn = $this->prop['LDAP_rdn'].'='
|
|
.$this->_quote_string($replacedata[$this->prop['LDAP_rdn']], true)
|
|
.','.$this->base_dn;
|
|
if ($dn != $newdn) {
|
|
$newrdn = $this->prop['LDAP_rdn'].'='
|
|
.$this->_quote_string($replacedata[$this->prop['LDAP_rdn']], true);
|
|
unset($replacedata[$this->prop['LDAP_rdn']]);
|
|
}
|
|
}
|
|
// Replace the fields.
|
|
if (!empty($replacedata)) {
|
|
$this->_debug("C: Replace [dn: $dn]: ".print_r($replacedata, true));
|
|
if (!ldap_mod_replace($this->conn, $dn, $replacedata)) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
return false;
|
|
}
|
|
$this->_debug("S: OK");
|
|
} // end if
|
|
} // end if
|
|
|
|
if (!empty($newdata)) {
|
|
// Add the fields.
|
|
$this->_debug("C: Add [dn: $dn]: ".print_r($newdata, true));
|
|
if (!ldap_mod_add($this->conn, $dn, $newdata)) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
}
|
|
$this->_debug("S: OK");
|
|
} // end if
|
|
|
|
// Handle RDN change
|
|
if (!empty($newrdn)) {
|
|
$this->_debug("C: Rename [dn: $dn] [dn: $newrdn]");
|
|
if (!ldap_rename($this->conn, $dn, $newrdn, NULL, TRUE)) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
return false;
|
|
}
|
|
$this->_debug("S: OK");
|
|
|
|
// change the group membership of the contact
|
|
if ($this->groups)
|
|
{
|
|
$group_ids = $this->get_record_groups(base64_encode($dn));
|
|
foreach ($group_ids as $group_id)
|
|
{
|
|
$this->remove_from_group($group_id, base64_encode($dn));
|
|
$this->add_to_group($group_id, base64_encode($newdn));
|
|
}
|
|
}
|
|
return base64_encode($newdn);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Mark one or more contact records as deleted
|
|
*
|
|
* @param array Record identifiers
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function delete($ids)
|
|
{
|
|
if (!is_array($ids)) {
|
|
// Not an array, break apart the encoded DNs.
|
|
$dns = explode(',', $ids);
|
|
} // end if
|
|
|
|
foreach ($dns as $id) {
|
|
$dn = base64_decode($id);
|
|
$this->_debug("C: Delete [dn: $dn]");
|
|
// Delete the record.
|
|
$res = ldap_delete($this->conn, $dn);
|
|
if ($res === FALSE) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
} // end if
|
|
$this->_debug("S: OK");
|
|
|
|
// remove contact from all groups where he was member
|
|
if ($this->groups)
|
|
{
|
|
$group_ids = $this->get_record_groups(base64_encode($dn));
|
|
foreach ($group_ids as $group_id)
|
|
{
|
|
$this->remove_from_group($group_id, base64_encode($dn));
|
|
}
|
|
}
|
|
} // end foreach
|
|
|
|
return count($dns);
|
|
}
|
|
|
|
|
|
/**
|
|
* Execute the LDAP search based on the stored credentials
|
|
*/
|
|
private function _exec_search($count = false)
|
|
{
|
|
if ($this->ready)
|
|
{
|
|
$filter = $this->filter ? $this->filter : '(objectclass=*)';
|
|
$function = $this->prop['scope'] == 'sub' ? 'ldap_search' : ($this->prop['scope'] == 'base' ? 'ldap_read' : 'ldap_list');
|
|
|
|
$this->_debug("C: Search [".$filter."]");
|
|
|
|
// when using VLV, we need to issue listing command first in order to get the full count
|
|
if (!$count && $function != 'ldap_read' && $this->prop['vlv']) {
|
|
if ($this->_exec_search(true))
|
|
$this->vlv_count = ldap_count_entries($this->conn, $this->ldap_result);
|
|
$this->vlv_active = $this->_vlv_set_controls();
|
|
}
|
|
|
|
// only fetch dn for count (should keep the payload low)
|
|
$attrs = $count ? array('dn') : array_values($this->fieldmap);
|
|
if ($this->ldap_result = @$function($this->conn, $this->base_dn, $filter,
|
|
$attrs, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']))
|
|
{
|
|
$this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
|
|
if ($err = ldap_errno($this->conn))
|
|
$this->_debug("S: Error: " .ldap_err2str($err));
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set server controls for Virtual List View (paginated listing)
|
|
*/
|
|
private function _vlv_set_controls()
|
|
{
|
|
$sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => $this->_sort_ber_encode((array)$this->prop['sort']));
|
|
$vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => $this->_vlv_ber_encode(($offset = ($this->list_page-1) * $this->page_size + 1), $this->page_size), 'iscritical' => true);
|
|
|
|
$this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) . " ({$this->sort_col});"
|
|
. " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset)");
|
|
|
|
if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) {
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SEARCH, 'vlvnotsupported');
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Converts LDAP entry into an array
|
|
*/
|
|
private function _ldap2result($rec)
|
|
{
|
|
$out = array();
|
|
|
|
if ($rec['dn'])
|
|
$out[$this->primary_key] = base64_encode($rec['dn']);
|
|
|
|
foreach ($this->fieldmap as $rf => $lf)
|
|
{
|
|
for ($i=0; $i < $rec[$lf]['count']; $i++) {
|
|
if (!($value = $rec[$lf][$i]))
|
|
continue;
|
|
if ($rf == 'email' && $this->mail_domain && !strpos($value, '@'))
|
|
$out[$rf][] = sprintf('%s@%s', $value, $this->mail_domain);
|
|
else if (in_array($rf, array('street','zipcode','locality','country','region')))
|
|
$out['address'][$i][$rf] = $value;
|
|
else if ($rec[$lf]['count'] > 1)
|
|
$out[$rf][] = $value;
|
|
else
|
|
$out[$rf] = $value;
|
|
}
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return real field name (from fields map)
|
|
*/
|
|
private function _map_field($field)
|
|
{
|
|
return $this->fieldmap[$field];
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns unified attribute name (resolving aliases)
|
|
*/
|
|
private static function _attr_name($name)
|
|
{
|
|
// list of known attribute aliases
|
|
$aliases = array(
|
|
'gn' => 'givenname',
|
|
'rfc822mailbox' => 'email',
|
|
'userid' => 'uid',
|
|
'emailaddress' => 'email',
|
|
'pkcs9email' => 'email',
|
|
);
|
|
return isset($aliases[$name]) ? $aliases[$name] : $name;
|
|
}
|
|
|
|
|
|
/**
|
|
* Prints debug info to the log
|
|
*/
|
|
private function _debug($str)
|
|
{
|
|
if ($this->debug)
|
|
write_log('ldap', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Quotes attribute value string
|
|
*
|
|
* @param string $str Attribute value
|
|
* @param bool $dn True if the attribute is a DN
|
|
*
|
|
* @return string Quoted string
|
|
*/
|
|
private static function _quote_string($str, $dn=false)
|
|
{
|
|
// take firt entry if array given
|
|
if (is_array($str))
|
|
$str = reset($str);
|
|
|
|
if ($dn)
|
|
$replace = array(','=>'\2c', '='=>'\3d', '+'=>'\2b', '<'=>'\3c',
|
|
'>'=>'\3e', ';'=>'\3b', '\\'=>'\5c', '"'=>'\22', '#'=>'\23');
|
|
else
|
|
$replace = array('*'=>'\2a', '('=>'\28', ')'=>'\29', '\\'=>'\5c',
|
|
'/'=>'\2f');
|
|
|
|
return strtr($str, $replace);
|
|
}
|
|
|
|
|
|
/**
|
|
* Setter for the current group
|
|
* (empty, has to be re-implemented by extending class)
|
|
*/
|
|
function set_group($group_id)
|
|
{
|
|
if ($group_id)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$cache_members = $this->group_cache[$group_id]['members'];
|
|
|
|
$members = array();
|
|
for ($i=1; $i<$cache_members["count"]; $i++)
|
|
{
|
|
$members[base64_encode($cache_members[$i])] = 1;
|
|
}
|
|
$this->group_members = $members;
|
|
$this->group_id = $group_id;
|
|
}
|
|
else
|
|
$this->group_id = 0;
|
|
}
|
|
|
|
/**
|
|
* List all active contact groups of this source
|
|
*
|
|
* @param string Optional search string to match group name
|
|
* @return array Indexed list of contact groups, each a hash array
|
|
*/
|
|
function list_groups($search = null)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
if (!$this->groups)
|
|
return array();
|
|
|
|
$this->groups_base_dn = ($this->prop['groups']['base_dn']) ?
|
|
$this->prop['groups']['base_dn'] : $this->base_dn;
|
|
|
|
// replace user specific dn
|
|
if ($this->prop['user_specific'])
|
|
{
|
|
$fu = $RCMAIL->user->get_username();
|
|
list($u, $d) = explode('@', $fu);
|
|
$dc = 'dc='.strtr($d, array('.' => ',dc='));
|
|
$replaces = array('%dc' => $dc, '%d' => $d, '%fu' => $fu, '%u' => $u);
|
|
|
|
$this->groups_base_dn = strtr($this->groups_base_dn, $replaces);;
|
|
}
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$filter = $this->prop['groups']['filter'];
|
|
|
|
$res = ldap_search($this->conn, $base_dn, $filter, array('cn','member'));
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return array();
|
|
}
|
|
$ldap_data = ldap_get_entries($this->conn, $res);
|
|
|
|
$groups = array();
|
|
$group_sortnames = array();
|
|
for ($i=0; $i<$ldap_data["count"]; $i++)
|
|
{
|
|
$group_name = $ldap_data[$i]['cn'][0];
|
|
$group_id = base64_encode($group_name);
|
|
$groups[$group_id]['ID'] = $group_id;
|
|
$groups[$group_id]['name'] = $group_name;
|
|
$groups[$group_id]['members'] = $ldap_data[$i]['member'];
|
|
$group_sortnames[] = strtolower($group_name);
|
|
}
|
|
array_multisort($group_sortnames, SORT_ASC, SORT_STRING, $groups);
|
|
$this->group_cache = $groups;
|
|
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* Create a contact group with the given name
|
|
*
|
|
* @param string The group name
|
|
* @return mixed False on error, array with record props in success
|
|
*/
|
|
function create_group($group_name)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$new_dn = "cn=$group_name,$base_dn";
|
|
$new_gid = base64_encode($group_name);
|
|
|
|
$new_entry = array(
|
|
'objectClass' => $this->prop['groups']['object_classes'],
|
|
'cn' => $group_name,
|
|
'member' => '',
|
|
);
|
|
|
|
$res = ldap_add($this->conn, $new_dn, $new_entry);
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
}
|
|
return array('id' => $new_gid, 'name' => $group_name);
|
|
}
|
|
|
|
/**
|
|
* Delete the given group and all linked group members
|
|
*
|
|
* @param string Group identifier
|
|
* @return boolean True on success, false if no data was changed
|
|
*/
|
|
function delete_group($group_id)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$group_name = $this->group_cache[$group_id]['name'];
|
|
|
|
$del_dn = "cn=$group_name,$base_dn";
|
|
$res = ldap_delete($this->conn, $del_dn);
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Rename a specific contact group
|
|
*
|
|
* @param string Group identifier
|
|
* @param string New name to set for this group
|
|
* @param string New group identifier (if changed, otherwise don't set)
|
|
* @return boolean New name on success, false if no data was changed
|
|
*/
|
|
function rename_group($group_id, $new_name, &$new_gid)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$group_name = $this->group_cache[$group_id]['name'];
|
|
$old_dn = "cn=$group_name,$base_dn";
|
|
$new_rdn = "cn=$new_name";
|
|
$new_gid = base64_encode($new_name);
|
|
|
|
$res = ldap_rename($this->conn, $old_dn, $new_rdn, NULL, TRUE);
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return false;
|
|
}
|
|
return $new_name;
|
|
}
|
|
|
|
/**
|
|
* Add the given contact records the a certain group
|
|
*
|
|
* @param string Group identifier
|
|
* @param array List of contact identifiers to be added
|
|
* @return int Number of contacts added
|
|
*/
|
|
function add_to_group($group_id, $contact_ids)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$group_name = $this->group_cache[$group_id]['name'];
|
|
$group_dn = "cn=$group_name,$base_dn";
|
|
|
|
$new_attrs = array();
|
|
foreach (explode(",", $contact_ids) as $id)
|
|
$new_attrs['member'][] = base64_decode($id);
|
|
|
|
$res = ldap_mod_add($this->conn, $group_dn, $new_attrs);
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return 0;
|
|
}
|
|
return count($new_attrs['member']);
|
|
}
|
|
|
|
/**
|
|
* Remove the given contact records from a certain group
|
|
*
|
|
* @param string Group identifier
|
|
* @param array List of contact identifiers to be removed
|
|
* @return int Number of deleted group members
|
|
*/
|
|
function remove_from_group($group_id, $contact_ids)
|
|
{
|
|
if (!$this->group_cache)
|
|
$this->list_groups();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$group_name = $this->group_cache[$group_id]['name'];
|
|
$group_dn = "cn=$group_name,$base_dn";
|
|
|
|
$del_attrs = array();
|
|
foreach (explode(",", $contact_ids) as $id)
|
|
$del_attrs['member'][] = base64_decode($id);
|
|
|
|
$res = ldap_mod_del($this->conn, $group_dn, $del_attrs);
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return 0;
|
|
}
|
|
return count($del_attrs['member']);
|
|
}
|
|
|
|
/**
|
|
* Get group assignments of a specific contact record
|
|
*
|
|
* @param mixed Record identifier
|
|
*
|
|
* @return array List of assigned groups as ID=>Name pairs
|
|
* @since 0.5-beta
|
|
*/
|
|
function get_record_groups($contact_id)
|
|
{
|
|
if (!$this->groups)
|
|
return array();
|
|
|
|
$base_dn = $this->groups_base_dn;
|
|
$contact_dn = base64_decode($contact_id);
|
|
$filter = "(member=$contact_dn)";
|
|
|
|
$res = ldap_search($this->conn, $base_dn, $filter, array('cn'));
|
|
if ($res === false)
|
|
{
|
|
$this->_debug("S: ".ldap_error($this->conn));
|
|
$this->set_error(self::ERROR_SAVING, 'errorsaving');
|
|
return array();
|
|
}
|
|
$ldap_data = ldap_get_entries($this->conn, $res);
|
|
|
|
$groups = array();
|
|
for ($i=0; $i<$ldap_data["count"]; $i++)
|
|
{
|
|
$group_name = $ldap_data[$i]['cn'][0];
|
|
$group_id = base64_encode($group_name);
|
|
$groups[$group_id] = $group_id;
|
|
}
|
|
return $groups;
|
|
}
|
|
|
|
|
|
/**
|
|
* Generate BER encoded string for Virtual List View option
|
|
*
|
|
* @param integer List offset (first record)
|
|
* @param integer Records per page
|
|
* @return string BER encoded option value
|
|
*/
|
|
private function _vlv_ber_encode($offset, $rpp)
|
|
{
|
|
# this string is ber-encoded, php will prefix this value with:
|
|
# 04 (octet string) and 10 (length of 16 bytes)
|
|
# the code behind this string is broken down as follows:
|
|
# 30 = ber sequence with a length of 0e (14) bytes following
|
|
# 20 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
|
|
# 20 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
|
|
# a0 = type context-specific/constructed with a length of 06 (6) bytes following
|
|
# 20 = type integer with 2 bytes following (offset): 01 01 (ie 1)
|
|
# 20 = type integer with 2 bytes following (contentCount): 01 00
|
|
# the following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
|
|
# encoding of integer values (note: these values are in
|
|
# two-complement form so since offset will never be negative bit 8 of the
|
|
# leftmost octet should never by set to 1):
|
|
# 8.3.2: If the contents octets of an integer value encoding consist
|
|
# of more than one octet, then the bits of the first octet (rightmost) and bit 8
|
|
# of the second (to the left of first octet) octet:
|
|
# a) shall not all be ones; and
|
|
# b) shall not all be zero
|
|
|
|
# construct the string from right to left
|
|
$str = "020100"; # contentCount
|
|
|
|
$ber_val = self::_ber_encode_int($offset); // returns encoded integer value in hex format
|
|
|
|
// calculate octet length of $ber_val
|
|
$str = self::_ber_addseq($ber_val, '02') . $str;
|
|
|
|
// now compute length over $str
|
|
$str = self::_ber_addseq($str, 'a0');
|
|
|
|
// now tack on records per page
|
|
$str = sprintf("0201000201%02x", min(255, $rpp)-1) . $str;
|
|
|
|
// now tack on sequence identifier and length
|
|
$str = self::_ber_addseq($str, '30');
|
|
|
|
return pack('H'.strlen($str), $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* create ber encoding for sort control
|
|
*
|
|
* @pararm array List of cols to sort by
|
|
* @return string BER encoded option value
|
|
*/
|
|
private function _sort_ber_encode($sortcols)
|
|
{
|
|
$str = '';
|
|
foreach (array_reverse((array)$sortcols) as $col) {
|
|
$ber_val = self::_string2hex($col);
|
|
|
|
# 30 = ber sequence with a length of octet value
|
|
# 04 = octet string with a length of the ascii value
|
|
$oct = self::_ber_addseq($ber_val, '04');
|
|
$str = self::_ber_addseq($oct, '30') . $str;
|
|
}
|
|
|
|
// now tack on sequence identifier and length
|
|
$str = self::_ber_addseq($str, '30');
|
|
|
|
return pack('H'.strlen($str), $str);
|
|
}
|
|
|
|
/**
|
|
* Add BER sequence with correct length and the given identifier
|
|
*/
|
|
private static function _ber_addseq($str, $identifier)
|
|
{
|
|
$len = dechex(strlen($str)/2);
|
|
if (strlen($len) % 2 != 0)
|
|
$len = '0'.$len;
|
|
|
|
return $identifier . $len . $str;
|
|
}
|
|
|
|
/**
|
|
* Returns BER encoded integer value in hex format
|
|
*/
|
|
private static function _ber_encode_int($offset)
|
|
{
|
|
$val = dechex($offset);
|
|
$prefix = '';
|
|
|
|
// check if bit 8 of high byte is 1
|
|
if (preg_match('/^[89abcdef]/', $val))
|
|
$prefix = '00';
|
|
|
|
if (strlen($val)%2 != 0)
|
|
$prefix .= '0';
|
|
|
|
return $prefix . $val;
|
|
}
|
|
|
|
/**
|
|
* Returns ascii string encoded in hex
|
|
*/
|
|
private static function _string2hex($str) {
|
|
$hex = '';
|
|
for ($i=0; $i < strlen($str); $i++)
|
|
$hex .= dechex(ord($str[$i]));
|
|
return $hex;
|
|
}
|
|
|
|
}
|