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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Node
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Node.php 18881 2009-11-06 10:55:19Z sgehrig $
*/
/**
* @see Zend_Ldap
*/
require_once 'Zend/Ldap.php';
/**
* @see Zend_Ldap_Node_Abstract
*/
require_once 'Zend/Ldap/Node/Abstract.php';
/**
* Zend_Ldap_Node provides an object oriented view into a LDAP node.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Node
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Ldap_Node extends Zend_Ldap_Node_Abstract implements Iterator, RecursiveIterator
{
/**
* Holds the node's new DN if node is renamed.
*
* @var Zend_Ldap_Dn
*/
protected $_newDn;
/**
* Holds the node's orginal attributes (as loaded).
*
* @var array
*/
protected $_originalData;
/**
* This node will be added
*
* @var boolean
*/
protected $_new;
/**
* This node will be deleted
*
* @var boolean
*/
protected $_delete;
/**
* Holds the connection to the LDAP server if in connected mode.
*
* @var Zend_Ldap
*/
protected $_ldap;
/**
* Holds an array of the current node's children.
*
* @var array
*/
protected $_children;
/**
* Controls iteration status
*
* @var boolean
*/
private $_iteratorRewind = false;
/**
* Constructor.
*
* Constructor is protected to enforce the use of factory methods.
*
* @param Zend_Ldap_Dn $dn
* @param array $data
* @param boolean $fromDataSource
* @param Zend_Ldap $ldap
* @throws Zend_Ldap_Exception
*/
protected function __construct(Zend_Ldap_Dn $dn, array $data, $fromDataSource, Zend_Ldap $ldap = null)
{
parent::__construct($dn, $data, $fromDataSource);
if (!is_null($ldap)) $this->attachLdap($ldap);
else $this->detachLdap();
}
/**
* Serialization callback
*
* Only DN and attributes will be serialized.
*
* @return array
*/
public function __sleep()
{
return array('_dn', '_currentData', '_newDn', '_originalData',
'_new', '_delete', '_children');
}
/**
* Deserialization callback
*
* Enforces a detached node.
*
* @return null
*/
public function __wakeup()
{
$this->detachLdap();
}
/**
* Gets the current LDAP connection.
*
* @return Zend_Ldap
* @throws Zend_Ldap_Exception
*/
public function getLdap()
{
if (is_null($this->_ldap)) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'No LDAP connection specified.', Zend_Ldap_Exception::LDAP_OTHER);
}
else return $this->_ldap;
}
/**
* Attach node to an LDAP connection
*
* This is an offline method.
*
* @uses Zend_Ldap_Dn::isChildOf()
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function attachLdap(Zend_Ldap $ldap)
{
if (!Zend_Ldap_Dn::isChildOf($this->_getDn(), $ldap->getBaseDn())) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'LDAP connection is not responsible for given node.',
Zend_Ldap_Exception::LDAP_OTHER);
}
if ($ldap !== $this->_ldap) {
$this->_ldap = $ldap;
if (is_array($this->_children)) {
foreach ($this->_children as $child) {
$child->attachLdap($ldap);
}
}
}
return $this;
}
/**
* Detach node from LDAP connection
*
* This is an offline method.
*
* @return Zend_Ldap_Node Provides a fluid interface
*/
public function detachLdap()
{
$this->_ldap = null;
if (is_array($this->_children)) {
foreach ($this->_children as $child) {
$child->detachLdap();
}
}
return $this;
}
/**
* Checks if the current node is attached to a LDAP server.
*
* This is an offline method.
*
* @return boolean
*/
public function isAttached()
{
return (!is_null($this->_ldap));
}
/**
* @param array $data
* @param boolean $fromDataSource
* @throws Zend_Ldap_Exception
*/
protected function _loadData(array $data, $fromDataSource)
{
parent::_loadData($data, $fromDataSource);
if ($fromDataSource === true) {
$this->_originalData = $data;
} else {
$this->_originalData = array();
}
$this->_children = null;
$this->_markAsNew(($fromDataSource === true) ? false : true);
$this->_markAsToBeDeleted(false);
}
/**
* Factory method to create a new detached Zend_Ldap_Node for a given DN.
*
* @param string|array|Zend_Ldap_Dn $dn
* @param array $objectClass
* @return Zend_Ldap_Node
* @throws Zend_Ldap_Exception
*/
public static function create($dn, array $objectClass = array())
{
if (is_string($dn) || is_array($dn)) {
$dn = Zend_Ldap_Dn::factory($dn);
} else if ($dn instanceof Zend_Ldap_Dn) {
$dn = clone $dn;
} else {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, '$dn is of a wrong data type.');
}
$new = new self($dn, array(), false, null);
$new->_ensureRdnAttributeValues();
$new->setAttribute('objectClass', $objectClass);
return $new;
}
/**
* Factory method to create an attached Zend_Ldap_Node for a given DN.
*
* @param string|array|Zend_Ldap_Dn $dn
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node|null
* @throws Zend_Ldap_Exception
*/
public static function fromLdap($dn, Zend_Ldap $ldap)
{
if (is_string($dn) || is_array($dn)) {
$dn = Zend_Ldap_Dn::factory($dn);
} else if ($dn instanceof Zend_Ldap_Dn) {
$dn = clone $dn;
} else {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, '$dn is of a wrong data type.');
}
$data = $ldap->getEntry($dn, array('*', '+'), true);
if ($data === null) {
return null;
}
$entry = new self($dn, $data, true, $ldap);
return $entry;
}
/**
* Factory method to create a detached Zend_Ldap_Node from array data.
*
* @param array $data
* @param boolean $fromDataSource
* @return Zend_Ldap_Node
* @throws Zend_Ldap_Exception
*/
public static function fromArray(array $data, $fromDataSource = false)
{
if (!array_key_exists('dn', $data)) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, '\'dn\' key is missing in array.');
}
if (is_string($data['dn']) || is_array($data['dn'])) {
$dn = Zend_Ldap_Dn::factory($data['dn']);
} else if ($data['dn'] instanceof Zend_Ldap_Dn) {
$dn = clone $data['dn'];
} else {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, '\'dn\' key is of a wrong data type.');
}
$fromDataSource = ($fromDataSource === true) ? true : false;
$new = new self($dn, $data, $fromDataSource, null);
$new->_ensureRdnAttributeValues();
return $new;
}
/**
* Ensures that teh RDN attributes are correctly set.
*
* @return void
*/
protected function _ensureRdnAttributeValues()
{
foreach ($this->getRdnArray() as $key => $value) {
Zend_Ldap_Attribute::setAttribute($this->_currentData, $key, $value, false);
}
}
/**
* Marks this node as new.
*
* Node will be added (instead of updated) on calling update() if $new is true.
*
* @param boolean $new
*/
protected function _markAsNew($new)
{
$this->_new = ($new === false) ? false : true;
}
/**
* Tells if the node is consiedered as new (not present on the server)
*
* Please note, that this doesn't tell you if the node is present on the server.
* Use {@link exits()} to see if a node is already there.
*
* @return boolean
*/
public function isNew()
{
return $this->_new;
}
/**
* Marks this node as to be deleted.
*
* Node will be deleted on calling update() if $delete is true.
*
* @param boolean $delete
*/
protected function _markAsToBeDeleted($delete)
{
$this->_delete = ($delete === true) ? true : false;
}
/**
* Is this node going to be deleted once update() is called?
*
* @return boolean
*/
public function willBeDeleted()
{
return $this->_delete;
}
/**
* Marks this node as to be deleted
*
* Node will be deleted on calling update() if $delete is true.
*
* @return Zend_Ldap_Node Provides a fluid interface
*/
public function delete()
{
$this->_markAsToBeDeleted(true);
return $this;
}
/**
* Is this node going to be moved once update() is called?
*
* @return boolean
*/
public function willBeMoved()
{
if ($this->isNew() || $this->willBeDeleted()) {
return false;
} else if ($this->_newDn !== null) {
return ($this->_dn != $this->_newDn);
} else {
return false;
}
}
/**
* Sends all pending changes to the LDAP server
*
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function update(Zend_Ldap $ldap = null)
{
if ($ldap !== null) {
$this->attachLdap($ldap);
}
$ldap = $this->getLdap();
if (!($ldap instanceof Zend_Ldap)) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'No LDAP connection available');
}
if ($this->willBeDeleted()) {
if ($ldap->exists($this->_dn)) {
$ldap->delete($this->_dn);
}
return $this;
}
if ($this->isNew()) {
$data = $this->getData();
$ldap->add($this->_getDn(), $data);
$this->_loadData($data, true);
return $this;
}
$changedData = $this->getChangedData();
if ($this->willBeMoved()) {
$recursive = $this->hasChildren();
$ldap->rename($this->_dn, $this->_newDn, $recursive, false);
foreach ($this->_newDn->getRdn() as $key => $value) {
if (array_key_exists($key, $changedData)) {
unset($changedData[$key]);
}
}
$this->_dn = $this->_newDn;
$this->_newDn = null;
}
if (count($changedData) > 0) {
$ldap->update($this->_getDn(), $changedData);
}
$this->_originalData = $this->_currentData;
return $this;
}
/**
* Gets the DN of the current node as a Zend_Ldap_Dn.
*
* This is an offline method.
*
* @return Zend_Ldap_Dn
*/
protected function _getDn()
{
return ($this->_newDn === null) ? parent::_getDn() : $this->_newDn;
}
/**
* Gets the current DN of the current node as a Zend_Ldap_Dn.
* The method returns a clone of the node's DN to prohibit modification.
*
* This is an offline method.
*
* @return Zend_Ldap_Dn
*/
public function getCurrentDn()
{
$dn = clone parent::_getDn();
return $dn;
}
/**
* Sets the new DN for this node
*
* This is an offline method.
*
* @param Zend_Ldap_Dn|string|array $newDn
* @throws Zend_Ldap_Exception
* @return Zend_Ldap_Node Provides a fluid interface
*/
public function setDn($newDn)
{
if ($newDn instanceof Zend_Ldap_Dn) {
$this->_newDn = clone $newDn;
} else {
$this->_newDn = Zend_Ldap_Dn::factory($newDn);
}
$this->_ensureRdnAttributeValues();
return $this;
}
/**
* {@see setDn()}
*
* This is an offline method.
*
* @param Zend_Ldap_Dn|string|array $newDn
* @throws Zend_Ldap_Exception
* @return Zend_Ldap_Node Provides a fluid interface
*/
public function move($newDn)
{
return $this->setDn($newDn);
}
/**
* {@see setDn()}
*
* This is an offline method.
*
* @param Zend_Ldap_Dn|string|array $newDn
* @throws Zend_Ldap_Exception
* @return Zend_Ldap_Node Provides a fluid interface
*/
public function rename($newDn)
{
return $this->setDn($newDn);
}
/**
* Sets the objectClass.
*
* This is an offline method.
*
* @param array|string $value
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function setObjectClass($value)
{
$this->setAttribute('objectClass', $value);
return $this;
}
/**
* Appends to the objectClass.
*
* This is an offline method.
*
* @param array|string $value
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function appendObjectClass($value)
{
$this->appendToAttribute('objectClass', $value);
return $this;
}
/**
* Returns a LDIF representation of the current node
*
* @param array $options Additional options used during encoding
* @return string
*/
public function toLdif(array $options = array())
{
$attributes = array_merge(array('dn' => $this->getDnString()), $this->getData(false));
/**
* Zend_Ldap_Ldif_Encoder
*/
require_once 'Zend/Ldap/Ldif/Encoder.php';
return Zend_Ldap_Ldif_Encoder::encode($attributes, $options);
}
/**
* Gets changed node data.
*
* The array contains all changed attributes.
* This format can be used in {@link Zend_Ldap::add()} and {@link Zend_Ldap::update()}.
*
* This is an offline method.
*
* @return array
*/
public function getChangedData()
{
$changed = array();
foreach ($this->_currentData as $key => $value) {
if (!array_key_exists($key, $this->_originalData) && !empty($value)) {
$changed[$key] = $value;
} else if ($this->_originalData[$key] !== $this->_currentData[$key]) {
$changed[$key] = $value;
}
}
return $changed;
}
/**
* Returns all changes made.
*
* This is an offline method.
*
* @return array
*/
public function getChanges()
{
$changes = array(
'add' => array(),
'delete' => array(),
'replace' => array());
foreach ($this->_currentData as $key => $value) {
if (!array_key_exists($key, $this->_originalData) && !empty($value)) {
$changes['add'][$key] = $value;
} else if (count($this->_originalData[$key]) === 0 && !empty($value)) {
$changes['add'][$key] = $value;
} else if ($this->_originalData[$key] !== $this->_currentData[$key]) {
if (empty($value)) {
$changes['delete'][$key] = $value;
} else {
$changes['replace'][$key] = $value;
}
}
}
return $changes;
}
/**
* Sets a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function setAttribute($name, $value)
{
$this->_setAttribute($name, $value, false);
return $this;
}
/**
* Appends to a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function appendToAttribute($name, $value)
{
$this->_setAttribute($name, $value, true);
return $this;
}
/**
* Checks if the attribute can be set and sets it accordingly.
*
* @param string $name
* @param mixed $value
* @param boolean $append
* @throws Zend_Ldap_Exception
*/
protected function _setAttribute($name, $value, $append)
{
$this->_assertChangeableAttribute($name);
Zend_Ldap_Attribute::setAttribute($this->_currentData, $name, $value, $append);
}
/**
* Sets a LDAP date/time attribute.
*
* This is an offline method.
*
* @param string $name
* @param integer|array $value
* @param boolean $utc
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function setDateTimeAttribute($name, $value, $utc = false)
{
$this->_setDateTimeAttribute($name, $value, $utc, false);
return $this;
}
/**
* Appends to a LDAP date/time attribute.
*
* This is an offline method.
*
* @param string $name
* @param integer|array $value
* @param boolean $utc
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function appendToDateTimeAttribute($name, $value, $utc = false)
{
$this->_setDateTimeAttribute($name, $value, $utc, true);
return $this;
}
/**
* Checks if the attribute can be set and sets it accordingly.
*
* @param string $name
* @param integer|array $value
* @param boolean $utc
* @param boolean $append
* @throws Zend_Ldap_Exception
*/
protected function _setDateTimeAttribute($name, $value, $utc, $append)
{
$this->_assertChangeableAttribute($name);
Zend_Ldap_Attribute::setDateTimeAttribute($this->_currentData, $name, $value, $utc, $append);
}
/**
* Sets a LDAP password.
*
* @param string $password
* @param string $hashType
* @param string $attribName
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function setPasswordAttribute($password, $hashType = Zend_Ldap_Attribute::PASSWORD_HASH_MD5,
$attribName = 'userPassword')
{
$this->_assertChangeableAttribute($attribName);
Zend_Ldap_Attribute::setPassword($this->_currentData, $password, $hashType, $attribName);
return $this;
}
/**
* Deletes a LDAP attribute.
*
* This method deletes the attribute.
*
* This is an offline method.
*
* @param string $name
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function deleteAttribute($name)
{
if ($this->existsAttribute($name, true)) {
$this->_setAttribute($name, null, false);
}
return $this;
}
/**
* Removes duplicate values from a LDAP attribute
*
* @param string $attribName
* @return void
*/
public function removeDuplicatesFromAttribute($attribName)
{
Zend_Ldap_Attribute::removeDuplicatesFromAttribute($this->_currentData, $attribName);
}
/**
* Remove given values from a LDAP attribute
*
* @param string $attribName
* @param mixed|array $value
* @return void
*/
public function removeFromAttribute($attribName, $value)
{
Zend_Ldap_Attribute::removeFromAttribute($this->_currentData, $attribName, $value);
}
/**
* @param string $name
* @return boolean
* @throws Zend_Ldap_Exception
*/
protected function _assertChangeableAttribute($name)
{
$name = strtolower($name);
$rdn = $this->getRdnArray(Zend_Ldap_Dn::ATTR_CASEFOLD_LOWER);
if ($name == 'dn') {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'DN cannot be changed.');
}
else if (array_key_exists($name, $rdn)) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'Cannot change attribute because it\'s part of the RDN');
} else if (in_array($name, self::$_systemAttributes)) {
/**
* @see Zend_Ldap_Exception
*/
require_once 'Zend/Ldap/Exception.php';
throw new Zend_Ldap_Exception(null, 'Cannot change attribute because it\'s read-only');
}
else return true;
}
/**
* Sets a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return null
* @throws Zend_Ldap_Exception
*/
public function __set($name, $value)
{
$this->setAttribute($name, $value);
}
/**
* Deletes a LDAP attribute.
*
* This method deletes the attribute.
*
* This is an offline method.
*
* @param string $name
* @return null
* @throws Zend_Ldap_Exception
*/
public function __unset($name)
{
$this->deleteAttribute($name);
}
/**
* Sets a LDAP attribute.
* Implements ArrayAccess.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return null
* @throws Zend_Ldap_Exception
*/
public function offsetSet($name, $value)
{
$this->setAttribute($name, $value);
}
/**
* Deletes a LDAP attribute.
* Implements ArrayAccess.
*
* This method deletes the attribute.
*
* This is an offline method.
*
* @param string $name
* @return null
* @throws Zend_Ldap_Exception
*/
public function offsetUnset($name)
{
$this->deleteAttribute($name);
}
/**
* Check if node exists on LDAP.
*
* This is an online method.
*
* @param Zend_Ldap $ldap
* @return boolean
* @throws Zend_Ldap_Exception
*/
public function exists(Zend_Ldap $ldap = null)
{
if ($ldap !== null) {
$this->attachLdap($ldap);
}
$ldap = $this->getLdap();
return $ldap->exists($this->_getDn());
}
/**
* Reload node attributes from LDAP.
*
* This is an online method.
*
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function reload(Zend_Ldap $ldap = null)
{
if ($ldap !== null) {
$this->attachLdap($ldap);
}
$ldap = $this->getLdap();
parent::reload($ldap);
return $this;
}
/**
* Search current subtree with given options.
*
* This is an online method.
*
* @param string|Zend_Ldap_Filter_Abstract $filter
* @param integer $scope
* @param string $sort
* @return Zend_Ldap_Node_Collection
* @throws Zend_Ldap_Exception
*/
public function searchSubtree($filter, $scope = Zend_Ldap::SEARCH_SCOPE_SUB, $sort = null)
{
/**
* @see Zend_Ldap_Node_Collection
*/
require_once 'Zend/Ldap/Node/Collection.php';
return $this->getLdap()->search($filter, $this->_getDn(), $scope, array('*', '+'), $sort,
'Zend_Ldap_Node_Collection');
}
/**
* Count items in current subtree found by given filter.
*
* This is an online method.
*
* @param string|Zend_Ldap_Filter_Abstract $filter
* @param integer $scope
* @return integer
* @throws Zend_Ldap_Exception
*/
public function countSubtree($filter, $scope = Zend_Ldap::SEARCH_SCOPE_SUB)
{
return $this->getLdap()->count($filter, $this->_getDn(), $scope);
}
/**
* Count children of current node.
*
* This is an online method.
*
* @return integer
* @throws Zend_Ldap_Exception
*/
public function countChildren()
{
return $this->countSubtree('(objectClass=*)', Zend_Ldap::SEARCH_SCOPE_ONE);
}
/**
* Gets children of current node.
*
* This is an online method.
*
* @param string|Zend_Ldap_Filter_Abstract $filter
* @param string $sort
* @return Zend_Ldap_Node_Collection
* @throws Zend_Ldap_Exception
*/
public function searchChildren($filter, $sort = null)
{
return $this->searchSubtree($filter, Zend_Ldap::SEARCH_SCOPE_ONE, $sort);
}
/**
* Checks if current node has children.
* Returns whether the current element has children.
*
* Can be used offline but returns false if children have not been retrieved yet.
*
* @return boolean
* @throws Zend_Ldap_Exception
*/
public function hasChildren()
{
if (!is_array($this->_children)) {
if ($this->isAttached()) {
return ($this->countChildren() > 0);
} else {
return false;
}
} else {
return (count($this->_children) > 0);
}
}
/**
* Returns the children for the current node.
*
* Can be used offline but returns an empty array if children have not been retrieved yet.
*
* @return Zend_Ldap_Node_ChildrenIterator
* @throws Zend_Ldap_Exception
*/
public function getChildren()
{
if (!is_array($this->_children)) {
$this->_children = array();
if ($this->isAttached()) {
$children = $this->searchChildren('(objectClass=*)', null);
foreach ($children as $child) {
$this->_children[$child->getRdnString(Zend_Ldap_Dn::ATTR_CASEFOLD_LOWER)] = $child;
}
}
}
/**
* @see Zend_Ldap_Node_ChildrenIterator
*/
require_once 'Zend/Ldap/Node/ChildrenIterator.php';
return new Zend_Ldap_Node_ChildrenIterator($this->_children);
}
/**
* Returns the parent of the current node.
*
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node
* @throws Zend_Ldap_Exception
*/
public function getParent(Zend_Ldap $ldap = null)
{
if ($ldap !== null) {
$this->attachLdap($ldap);
}
$ldap = $this->getLdap();
$parentDn = $this->_getDn()->getParentDn(1);
return self::fromLdap($parentDn, $ldap);
}
/**
* Return the current attribute.
* Implements Iterator
*
* @return array
*/
public function current()
{
return $this;
}
/**
* Return the attribute name.
* Implements Iterator
*
* @return string
*/
public function key()
{
return $this->getRdnString();
}
/**
* Move forward to next attribute.
* Implements Iterator
*/
public function next()
{
$this->_iteratorRewind = false;
}
/**
* Rewind the Iterator to the first attribute.
* Implements Iterator
*/
public function rewind()
{
$this->_iteratorRewind = true;
}
/**
* Check if there is a current attribute
* after calls to rewind() or next().
* Implements Iterator
*
* @return boolean
*/
public function valid()
{
return $this->_iteratorRewind;
}
}
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