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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: Abstract.php 17829 2009-08-26 15:07:10Z sgehrig $
*/
/**
* @see Zend_Ldap_Attribute
*/
require_once 'Zend/Ldap/Attribute.php';
/**
* @see Zend_Ldap_Dn
*/
require_once 'Zend/Ldap/Dn.php';
/**
* Zend_Ldap_Node_Abstract provides a bas eimplementation for LDAP nodes
*
* @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
*/
abstract class Zend_Ldap_Node_Abstract implements ArrayAccess, Countable
{
protected static $_systemAttributes=array('createtimestamp', 'creatorsname',
'entrycsn', 'entrydn', 'entryuuid', 'hassubordinates', 'modifiersname',
'modifytimestamp', 'structuralobjectclass', 'subschemasubentry',
'distinguishedname', 'instancetype', 'name', 'objectcategory', 'objectguid',
'usnchanged', 'usncreated', 'whenchanged', 'whencreated');
/**
* Holds the node's DN.
*
* @var Zend_Ldap_Dn
*/
protected $_dn;
/**
* Holds the node's current data.
*
* @var array
*/
protected $_currentData;
/**
* Constructor.
*
* Constructor is protected to enforce the use of factory methods.
*
* @param Zend_Ldap_Dn $dn
* @param array $data
* @param boolean $fromDataSource
*/
protected function __construct(Zend_Ldap_Dn $dn, array $data, $fromDataSource)
{
$this->_dn = $dn;
$this->_loadData($data, $fromDataSource);
}
/**
* @param array $data
* @param boolean $fromDataSource
* @throws Zend_Ldap_Exception
*/
protected function _loadData(array $data, $fromDataSource)
{
if (array_key_exists('dn', $data)) {
unset($data['dn']);
}
ksort($data, SORT_STRING);
$this->_currentData = $data;
}
/**
* Reload node attributes from LDAP.
*
* This is an online method.
*
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node_Abstract Provides a fluid interface
* @throws Zend_Ldap_Exception
*/
public function reload(Zend_Ldap $ldap = null)
{
if ($ldap !== null) {
$data = $ldap->getEntry($this->_getDn(), array('*', '+'), true);
$this->_loadData($data, true);
}
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->_dn;
}
/**
* Gets the 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 getDn()
{
$dn = clone $this->_getDn();
return $dn;
}
/**
* Gets the DN of the current node as a string.
*
* This is an offline method.
*
* @param string $caseFold
* @return string
*/
public function getDnString($caseFold = null)
{
return $this->_getDn()->toString($caseFold);
}
/**
* Gets the DN of the current node as an array.
*
* This is an offline method.
*
* @param string $caseFold
* @return array
*/
public function getDnArray($caseFold = null)
{
return $this->_getDn()->toArray($caseFold);
}
/**
* Gets the RDN of the current node as a string.
*
* This is an offline method.
*
* @param string $caseFold
* @return string
*/
public function getRdnString($caseFold = null)
{
return $this->_getDn()->getRdnString($caseFold);
}
/**
* Gets the RDN of the current node as an array.
*
* This is an offline method.
*
* @param string $caseFold
* @return array
*/
public function getRdnArray($caseFold = null)
{
return $this->_getDn()->getRdn($caseFold);
}
/**
* Gets the objectClass of the node
*
* @return array
*/
public function getObjectClass()
{
return $this->getAttribute('objectClass', null);
}
/**
* Gets all attributes of node.
*
* The collection contains all attributes.
*
* This is an offline method.
*
* @param boolean $includeSystemAttributes
* @return array
*/
public function getAttributes($includeSystemAttributes = true)
{
$data = array();
foreach ($this->getData($includeSystemAttributes) as $name => $value) {
$data[$name] = $this->getAttribute($name, null);
}
return $data;
}
/**
* Returns the DN of the current node. {@see getDnString()}
*
* @return string
*/
public function toString()
{
return $this->getDnString();
}
/**
* Cast to string representation {@see toString()}
*
* @return string
*/
public function __toString()
{
return $this->toString();
}
/**
* Returns an array representation of the current node
*
* @param boolean $includeSystemAttributes
* @return array
*/
public function toArray($includeSystemAttributes = true)
{
$attributes = $this->getAttributes($includeSystemAttributes);
return array_merge(array('dn' => $this->getDnString()), $attributes);
}
/**
* Returns a JSON representation of the current node
*
* @param boolean $includeSystemAttributes
* @return string
*/
public function toJson($includeSystemAttributes = true)
{
return json_encode($this->toArray($includeSystemAttributes));
}
/**
* Gets node attributes.
*
* The array contains all attributes in its internal format (no conversion).
*
* This is an offline method.
*
* @param boolean $includeSystemAttributes
* @return array
*/
public function getData($includeSystemAttributes = true)
{
if ($includeSystemAttributes === false) {
$data = array();
foreach ($this->_currentData as $key => $value) {
if (!in_array($key, self::$_systemAttributes)) {
$data[$key] = $value;
}
}
return $data;
} else {
return $this->_currentData;
}
}
/**
* Checks whether a given attribute exists.
*
* If $emptyExists is false empty attributes (containing only array()) are
* treated as non-existent returning false.
* If $emptyExists is true empty attributes are treated as existent returning
* true. In this case method returns false only if the attribute name is
* missing in the key-collection.
*
* @param string $name
* @param boolean $emptyExists
* @return boolean
*/
public function existsAttribute($name, $emptyExists = false)
{
$name = strtolower($name);
if (isset($this->_currentData[$name])) {
if ($emptyExists) return true;
return count($this->_currentData[$name])>0;
}
else return false;
}
/**
* Checks if the given value(s) exist in the attribute
*
* @param string $attribName
* @param mixed|array $value
* @return boolean
*/
public function attributeHasValue($attribName, $value)
{
return Zend_Ldap_Attribute::attributeHasValue($this->_currentData, $attribName, $value);
}
/**
* Gets a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @param integer $index
* @return mixed
* @throws Zend_Ldap_Exception
*/
public function getAttribute($name, $index = null)
{
if ($name == 'dn') {
return $this->getDnString();
}
else {
return Zend_Ldap_Attribute::getAttribute($this->_currentData, $name, $index);
}
}
/**
* Gets a LDAP date/time attribute.
*
* This is an offline method.
*
* @param string $name
* @param integer $index
* @return array|integer
* @throws Zend_Ldap_Exception
*/
public function getDateTimeAttribute($name, $index = null)
{
return Zend_Ldap_Attribute::getDateTimeAttribute($this->_currentData, $name, $index);
}
/**
* Sets a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return null
* @throws BadMethodCallException
*/
public function __set($name, $value)
{
throw new BadMethodCallException();
}
/**
* Gets a LDAP attribute.
*
* This is an offline method.
*
* @param string $name
* @return array
* @throws Zend_Ldap_Exception
*/
public function __get($name)
{
return $this->getAttribute($name, null);
}
/**
* Deletes a LDAP attribute.
*
* This method deletes the attribute.
*
* This is an offline method.
*
* @param string $name
* @return null
* @throws BadMethodCallException
*/
public function __unset($name)
{
throw new BadMethodCallException();
}
/**
* Checks whether a given attribute exists.
*
* Empty attributes will be treated as non-existent.
*
* @param string $name
* @return boolean
*/
public function __isset($name)
{
return $this->existsAttribute($name, false);
}
/**
* Sets a LDAP attribute.
* Implements ArrayAccess.
*
* This is an offline method.
*
* @param string $name
* @param mixed $value
* @return null
* @throws BadMethodCallException
*/
public function offsetSet($name, $value)
{
throw new BadMethodCallException();
}
/**
* Gets a LDAP attribute.
* Implements ArrayAccess.
*
* This is an offline method.
*
* @param string $name
* @return array
* @throws Zend_Ldap_Exception
*/
public function offsetGet($name)
{
return $this->getAttribute($name, null);
}
/**
* Deletes a LDAP attribute.
* Implements ArrayAccess.
*
* This method deletes the attribute.
*
* This is an offline method.
*
* @param string $name
* @return null
* @throws BadMethodCallException
*/
public function offsetUnset($name)
{
throw new BadMethodCallException();
}
/**
* Checks whether a given attribute exists.
* Implements ArrayAccess.
*
* Empty attributes will be treated as non-existent.
*
* @param string $name
* @return boolean
*/
public function offsetExists($name)
{
return $this->existsAttribute($name, false);
}
/**
* Returns the number of attributes in node.
* Implements Countable
*
* @return int
*/
public function count()
{
return count($this->_currentData);
}
}
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