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rcube_ldap_generic.php
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rcube_ldap_generic.php
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<?php
/**
+-----------------------------------------------------------------------+
| Roundcube/rcube_ldap_generic.php |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2006-2014, The Roundcube Dev Team |
| Copyright (C) 2012-2015, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Provide basic functionality for accessing LDAP directories |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Aleksander Machniak <machniak@kolabsys.com> |
+-----------------------------------------------------------------------+
*/
/**
* Model class to access an LDAP directories
*
* @package Framework
* @subpackage LDAP
*/
class rcube_ldap_generic extends Net_LDAP3
{
/** private properties */
protected $cache = null;
protected $attributes = array('dn');
protected $error;
function __construct($config = null)
{
parent::__construct($config);
$this->config_set('log_hook', array($this, 'log'));
}
/**
* Establish a connection to the LDAP server
*/
public function connect($host = null)
{
// Net_LDAP3 does not support IDNA yet
// also parse_host() here is very Roundcube specific
$host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
return parent::connect($host);
}
/**
* Get a specific LDAP entry, identified by its DN
*
* @param string $dn Record identifier
* @param array $attributes Attributes to return
*
* @return array Hash array
*/
function get_entry($dn, $attributes = array())
{
return parent::get_entry($dn, !empty($attributes) ? $attributes : $this->attributes);
}
/**
* Prints debug/error info to the log
*/
public function log($level, $msg)
{
$msg = implode("\n", $msg);
switch ($level) {
case LOG_DEBUG:
case LOG_INFO:
case LOG_NOTICE:
if ($this->config['debug']) {
rcube::write_log('ldap', $msg);
}
break;
case LOG_EMERGE:
case LOG_ALERT:
case LOG_CRIT:
rcube::raise_error($msg, true, true);
break;
case LOG_ERR:
case LOG_WARNING:
$this->error = $msg;
rcube::raise_error($msg, true, false);
break;
}
}
/**
* Returns the last LDAP error occurred
*
* @return mixed Error message string or null if no error occured
*/
function get_error()
{
return $this->error;
}
/**
* @deprecated
*/
public function set_debug($dbg = true)
{
$this->config['debug'] = (bool) $dbg;
}
/**
* @deprecated
*/
public function set_cache($cache_engine)
{
$this->config['cache'] = $cache_engine;
}
/**
* @deprecated
*/
public static function scope2func($scope, &$ns_function = null)
{
return self::scope_to_function($scope, $ns_function);
}
/**
* @deprecated
*/
public function set_config($opt, $val = null)
{
$this->config_set($opt, $val);
}
/**
* @deprecated
*/
public function add($dn, $entry)
{
return $this->add_entry($dn, $entry);
}
/**
* @deprecated
*/
public function delete($dn)
{
return $this->delete_entry($dn);
}
/**
* Wrapper for ldap_mod_replace()
*
* @see ldap_mod_replace()
*/
public function mod_replace($dn, $entry)
{
$this->_debug("C: Replace $dn: ".print_r($entry, true));
if (!ldap_mod_replace($this->conn, $dn, $entry)) {
$this->_error("ldap_mod_replace() failed with " . ldap_error($this->conn));
return false;
}
$this->_debug("S: OK");
return true;
}
/**
* Wrapper for ldap_mod_add()
*
* @see ldap_mod_add()
*/
public function mod_add($dn, $entry)
{
$this->_debug("C: Add $dn: ".print_r($entry, true));
if (!ldap_mod_add($this->conn, $dn, $entry)) {
$this->_error("ldap_mod_add() failed with " . ldap_error($this->conn));
return false;
}
$this->_debug("S: OK");
return true;
}
/**
* Wrapper for ldap_mod_del()
*
* @see ldap_mod_del()
*/
public function mod_del($dn, $entry)
{
$this->_debug("C: Delete $dn: ".print_r($entry, true));
if (!ldap_mod_del($this->conn, $dn, $entry)) {
$this->_error("ldap_mod_del() failed with " . ldap_error($this->conn));
return false;
}
$this->_debug("S: OK");
return true;
}
/**
* Wrapper for ldap_rename()
*
* @see ldap_rename()
*/
public function rename($dn, $newrdn, $newparent = null, $deleteoldrdn = true)
{
$this->_debug("C: Rename $dn to $newrdn");
if (!ldap_rename($this->conn, $dn, $newrdn, $newparent, $deleteoldrdn)) {
$this->_error("ldap_rename() failed with " . ldap_error($this->conn));
return false;
}
$this->_debug("S: OK");
return true;
}
/**
* Wrapper for ldap_list() + ldap_get_entries()
*
* @see ldap_list()
* @see ldap_get_entries()
*/
public function list_entries($dn, $filter, $attributes = array('dn'))
{
$list = array();
$this->_debug("C: List $dn [{$filter}]");
if ($result = ldap_list($this->conn, $dn, $filter, $attributes)) {
$list = ldap_get_entries($this->conn, $result);
if ($list === false) {
$this->_error("ldap_get_entries() failed with " . ldap_error($this->conn));
return array();
}
$count = $list['count'];
unset($list['count']);
$this->_debug("S: $count record(s)");
}
else {
$this->_error("ldap_list() failed with " . ldap_error($this->conn));
}
return $list;
}
/**
* Wrapper for ldap_read() + ldap_get_entries()
*
* @see ldap_read()
* @see ldap_get_entries()
*/
public function read_entries($dn, $filter, $attributes = null)
{
$this->_debug("C: Read $dn [{$filter}]");
if ($this->conn && $dn) {
$result = @ldap_read($this->conn, $dn, $filter, $attributes, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']);
if ($result === false) {
$this->_error("ldap_read() failed with " . ldap_error($this->conn));
return false;
}
$this->_debug("S: OK");
return ldap_get_entries($this->conn, $result);
}
return false;
}
/**
* Turn an LDAP entry into a regular PHP array with attributes as keys.
*
* @param array $entry Attributes array as retrieved from ldap_get_attributes() or ldap_get_entries()
* @param bool $flat Convert one-element-array values into strings (not implemented)
*
* @return array Hash array with attributes as keys
*/
public static function normalize_entry($entry, $flat = false)
{
if (!isset($entry['count'])) {
return $entry;
}
$rec = array();
for ($i=0; $i < $entry['count']; $i++) {
$attr = $entry[$i];
if ($entry[$attr]['count'] == 1) {
switch ($attr) {
case 'objectclass':
$rec[$attr] = array(strtolower($entry[$attr][0]));
break;
default:
$rec[$attr] = $entry[$attr][0];
break;
}
}
else {
for ($j=0; $j < $entry[$attr]['count']; $j++) {
$rec[$attr][$j] = $entry[$attr][$j];
}
}
}
return $rec;
}
/**
* Compose an LDAP filter string matching all words from the search string
* in the given list of attributes.
*
* @param string $value Search value
* @param mixed $attrs List of LDAP attributes to search
* @param int $mode Matching mode:
* 0 - partial (*abc*),
* 1 - strict (=),
* 2 - prefix (abc*)
* @return string LDAP filter
*/
public static function fulltext_search_filter($value, $attributes, $mode = 1)
{
if (empty($attributes)) {
$attributes = array('cn');
}
$groups = array();
$value = str_replace('*', '', $value);
$words = $mode == 0 ? rcube_utils::tokenize_string($value, 1) : array($value);
// set wildcards
$wp = $ws = '';
if ($mode != 1) {
$ws = '*';
$wp = !$mode ? '*' : '';
}
// search each word in all listed attributes
foreach ($words as $word) {
$parts = array();
foreach ($attributes as $attr) {
$parts[] = "($attr=$wp" . self::quote_string($word) . "$ws)";
}
$groups[] = '(|' . join('', $parts) . ')';
}
return count($groups) > 1 ? '(&' . join('', $groups) . ')' : join('', $groups);
}
}
// for backward compat.
class rcube_ldap_result extends Net_LDAP3_Result {}

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