forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			1056 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1056 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /* vim: set expandtab tabstop=4 shiftwidth=4: */
 | |
| /**
 | |
| * File containing the Net_LDAP2_Entry interface class.
 | |
| *
 | |
| * PHP version 5
 | |
| *
 | |
| * @category  Net
 | |
| * @package   Net_LDAP2
 | |
| * @author    Jan Wagner <wagner@netsols.de>
 | |
| * @author    Tarjej Huse <tarjei@bergfald.no>
 | |
| * @author    Benedikt Hallinger <beni@php.net>
 | |
| * @copyright 2009 Tarjej Huse, Jan Wagner, Benedikt Hallinger
 | |
| * @license   http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3
 | |
| * @version   SVN: $Id: Entry.php 286787 2009-08-04 06:03:12Z beni $
 | |
| * @link      http://pear.php.net/package/Net_LDAP2/
 | |
| */
 | |
| 
 | |
| /**
 | |
| * Includes
 | |
| */
 | |
| require_once 'PEAR.php';
 | |
| require_once 'Util.php';
 | |
| 
 | |
| /**
 | |
| * Object representation of a directory entry
 | |
| *
 | |
| * This class represents a directory entry. You can add, delete, replace
 | |
| * attributes and their values, rename the entry, delete the entry.
 | |
| *
 | |
| * @category Net
 | |
| * @package  Net_LDAP2
 | |
| * @author   Jan Wagner <wagner@netsols.de>
 | |
| * @author   Tarjej Huse <tarjei@bergfald.no>
 | |
| * @author   Benedikt Hallinger <beni@php.net>
 | |
| * @license  http://www.gnu.org/copyleft/lesser.html LGPL
 | |
| * @link     http://pear.php.net/package/Net_LDAP2/
 | |
| */
 | |
| class Net_LDAP2_Entry extends PEAR
 | |
| {
 | |
|     /**
 | |
|     * Entry ressource identifier
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var ressource
 | |
|     */
 | |
|     protected $_entry = null;
 | |
| 
 | |
|     /**
 | |
|     * LDAP ressource identifier
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var ressource
 | |
|     */
 | |
|     protected $_link = null;
 | |
| 
 | |
|     /**
 | |
|     * Net_LDAP2 object
 | |
|     *
 | |
|     * This object will be used for updating and schema checking
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var object Net_LDAP2
 | |
|     */
 | |
|     protected $_ldap = null;
 | |
| 
 | |
|     /**
 | |
|     * Distinguished name of the entry
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var string
 | |
|     */
 | |
|     protected $_dn = null;
 | |
| 
 | |
|     /**
 | |
|     * Attributes
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var array
 | |
|     */
 | |
|     protected $_attributes = array();
 | |
| 
 | |
|     /**
 | |
|     * Original attributes before any modification
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var array
 | |
|     */
 | |
|     protected $_original = array();
 | |
| 
 | |
| 
 | |
|     /**
 | |
|     * Map of attribute names
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var array
 | |
|     */
 | |
|     protected $_map = array();
 | |
| 
 | |
| 
 | |
|     /**
 | |
|     * Is this a new entry?
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var boolean
 | |
|     */
 | |
|     protected $_new = true;
 | |
| 
 | |
|     /**
 | |
|     * New distinguished name
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var string
 | |
|     */
 | |
|     protected $_newdn = null;
 | |
| 
 | |
|     /**
 | |
|     * Shall the entry be deleted?
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var boolean
 | |
|     */
 | |
|     protected $_delete = false;
 | |
| 
 | |
|     /**
 | |
|     * Map with changes to the entry
 | |
|     *
 | |
|     * @access protected
 | |
|     * @var array
 | |
|     */
 | |
|     protected $_changes = array("add"     => array(),
 | |
|                                 "delete"  => array(),
 | |
|                                 "replace" => array()
 | |
|                                );
 | |
|     /**
 | |
|     * Internal Constructor
 | |
|     *
 | |
|     * Constructor of the entry. Sets up the distinguished name and the entries
 | |
|     * attributes.
 | |
|     * You should not call this method manually! Use {@link Net_LDAP2_Entry::createFresh()}
 | |
|     * or {@link Net_LDAP2_Entry::createConnected()} instead!
 | |
|     *
 | |
|     * @param Net_LDAP2|ressource|array &$ldap Net_LDAP2 object, ldap-link ressource or array of attributes
 | |
|     * @param string|ressource          $entry Either a DN or a LDAP-Entry ressource
 | |
|     *
 | |
|     * @access protected
 | |
|     * @return none
 | |
|     */
 | |
|     protected function __construct(&$ldap, $entry = null)
 | |
|     {
 | |
|         $this->PEAR('Net_LDAP2_Error');
 | |
| 
 | |
|         // set up entry resource or DN
 | |
|         if (is_resource($entry)) {
 | |
|             $this->_entry = &$entry;
 | |
|         } else {
 | |
|             $this->_dn = $entry;
 | |
|         }
 | |
| 
 | |
|         // set up LDAP link
 | |
|         if ($ldap instanceof Net_LDAP2) {
 | |
|             $this->_ldap = &$ldap;
 | |
|             $this->_link = $ldap->getLink();
 | |
|         } elseif (is_resource($ldap)) {
 | |
|             $this->_link = $ldap;
 | |
|         } elseif (is_array($ldap)) {
 | |
|             // Special case: here $ldap is an array of attributes,
 | |
|             // this means, we have no link. This is a "virtual" entry.
 | |
|             // We just set up the attributes so one can work with the object
 | |
|             // as expected, but an update() fails unless setLDAP() is called.
 | |
|             $this->setAttributes($ldap);
 | |
|         }
 | |
| 
 | |
|         // if this is an entry existing in the directory,
 | |
|         // then set up as old and fetch attrs
 | |
|         if (is_resource($this->_entry) && is_resource($this->_link)) {
 | |
|             $this->_new = false;
 | |
|             $this->_dn  = @ldap_get_dn($this->_link, $this->_entry);
 | |
|             $this->setAttributes();  // fetch attributes from server
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Creates a fresh entry that may be added to the directory later on
 | |
|     *
 | |
|     * Use this method, if you want to initialize a fresh entry.
 | |
|     *
 | |
|     * The method should be called statically: $entry = Net_LDAP2_Entry::createFresh();
 | |
|     * You should put a 'objectClass' attribute into the $attrs so the directory server
 | |
|     * knows which object you want to create. However, you may omit this in case you
 | |
|     * don't want to add this entry to a directory server.
 | |
|     *
 | |
|     * The attributes parameter is as following:
 | |
|     * <code>
 | |
|     * $attrs = array( 'attribute1' => array('value1', 'value2'),
 | |
|     *                 'attribute2' => 'single value'
 | |
|     *          );
 | |
|     * </code>
 | |
|     *
 | |
|     * @param string $dn    DN of the Entry
 | |
|     * @param array  $attrs Attributes of the entry
 | |
|     *
 | |
|     * @static
 | |
|     * @return Net_LDAP2_Entry|Net_LDAP2_Error
 | |
|     */
 | |
|     public static function createFresh($dn, $attrs = array())
 | |
|     {
 | |
|         if (!is_array($attrs)) {
 | |
|             return PEAR::raiseError("Unable to create fresh entry: Parameter \$attrs needs to be an array!");
 | |
|         }
 | |
| 
 | |
|         $entry = new Net_LDAP2_Entry($attrs, $dn);
 | |
|         return $entry;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Creates a Net_LDAP2_Entry object out of an ldap entry resource
 | |
|     *
 | |
|     * Use this method, if you want to initialize an entry object that is
 | |
|     * already present in some directory and that you have read manually.
 | |
|     *
 | |
|     * Please note, that if you want to create an entry object that represents
 | |
|     * some already existing entry, you should use {@link createExisting()}.
 | |
|     *
 | |
|     * The method should be called statically: $entry = Net_LDAP2_Entry::createConnected();
 | |
|     *
 | |
|     * @param Net_LDAP2 $ldap  Net_LDA2 object
 | |
|     * @param resource  $entry PHP LDAP entry resource
 | |
|     *
 | |
|     * @static
 | |
|     * @return Net_LDAP2_Entry|Net_LDAP2_Error
 | |
|     */
 | |
|     public static function createConnected($ldap, $entry)
 | |
|     {
 | |
|         if (!$ldap instanceof Net_LDAP2) {
 | |
|             return PEAR::raiseError("Unable to create connected entry: Parameter \$ldap needs to be a Net_LDAP2 object!");
 | |
|         }
 | |
|         if (!is_resource($entry)) {
 | |
|             return PEAR::raiseError("Unable to create connected entry: Parameter \$entry needs to be a ldap entry resource!");
 | |
|         }
 | |
| 
 | |
|         $entry = new Net_LDAP2_Entry($ldap, $entry);
 | |
|         return $entry;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Creates an Net_LDAP2_Entry object that is considered already existing
 | |
|     *
 | |
|     * Use this method, if you want to modify an already existing entry
 | |
|     * without fetching it first.
 | |
|     * In most cases however, it is better to fetch the entry via Net_LDAP2->getEntry()!
 | |
|     *
 | |
|     * Please note that you should take care if you construct entries manually with this
 | |
|     * because you may get weird synchronisation problems.
 | |
|     * The attributes and values as well as the entry itself are considered existent
 | |
|     * which may produce errors if you try to modify an entry which doesn't really exist
 | |
|     * or if you try to overwrite some attribute with an value already present.
 | |
|     *
 | |
|     * This method is equal to calling createFresh() and after that markAsNew(FALSE).
 | |
|     *
 | |
|     * The method should be called statically: $entry = Net_LDAP2_Entry::createExisting();
 | |
|     *
 | |
|     * The attributes parameter is as following:
 | |
|     * <code>
 | |
|     * $attrs = array( 'attribute1' => array('value1', 'value2'),
 | |
|     *                 'attribute2' => 'single value'
 | |
|     *          );
 | |
|     * </code>
 | |
|     *
 | |
|     * @param string $dn    DN of the Entry
 | |
|     * @param array  $attrs Attributes of the entry
 | |
|     *
 | |
|     * @static
 | |
|     * @return Net_LDAP2_Entry|Net_LDAP2_Error
 | |
|     */
 | |
|     public static function createExisting($dn, $attrs = array())
 | |
|     {
 | |
|         if (!is_array($attrs)) {
 | |
|             return PEAR::raiseError("Unable to create entry object: Parameter \$attrs needs to be an array!");
 | |
|         }
 | |
| 
 | |
|         $entry = Net_LDAP2_Entry::createFresh($dn, $attrs);
 | |
|         if ($entry instanceof Net_LDAP2_Error) {
 | |
|             return $entry;
 | |
|         } else {
 | |
|             $entry->markAsNew(false);
 | |
|             return $entry;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Get or set the distinguished name of the entry
 | |
|     *
 | |
|     * If called without an argument the current (or the new DN if set) DN gets returned.
 | |
|     * If you provide an DN, this entry is moved to the new location specified if a DN existed.
 | |
|     * If the DN was not set, the DN gets initialized. Call {@link update()} to actually create
 | |
|     * the new Entry in the directory.
 | |
|     * To fetch the current active DN after setting a new DN but before an update(), you can use
 | |
|     * {@link currentDN()} to retrieve the DN that is currently active.
 | |
|     *
 | |
|     * Please note that special characters (eg german umlauts) should be encoded using utf8_encode().
 | |
|     * You may use {@link Net_LDAP2_Util::canonical_dn()} for properly encoding of the DN.
 | |
|     *
 | |
|     * @param string $dn New distinguished name
 | |
|     *
 | |
|     * @access public
 | |
|     * @return string|true Distinguished name (or true if a new DN was provided)
 | |
|     */
 | |
|     public function dn($dn = null)
 | |
|     {
 | |
|         if (false == is_null($dn)) {
 | |
|             if (is_null($this->_dn)) {
 | |
|                 $this->_dn = $dn;
 | |
|             } else {
 | |
|                 $this->_newdn = $dn;
 | |
|             }
 | |
|             return true;
 | |
|         }
 | |
|         return (isset($this->_newdn) ? $this->_newdn : $this->currentDN());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Renames or moves the entry
 | |
|     *
 | |
|     * This is just a convinience alias to {@link dn()}
 | |
|     * to make your code more meaningful.
 | |
|     *
 | |
|     * @param string $newdn The new DN
 | |
|     *
 | |
|     * @return true
 | |
|     */
 | |
|     public function move($newdn)
 | |
|     {
 | |
|         return $this->dn($newdn);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Sets the internal attributes array
 | |
|     *
 | |
|     * This fetches the values for the attributes from the server.
 | |
|     * The attribute Syntax will be checked so binary attributes will be returned
 | |
|     * as binary values.
 | |
|     *
 | |
|     * Attributes may be passed directly via the $attributes parameter to setup this
 | |
|     * entry manually. This overrides attribute fetching from the server.
 | |
|     *
 | |
|     * @param array $attributes Attributes to set for this entry
 | |
|     *
 | |
|     * @access protected
 | |
|     * @return void
 | |
|     */
 | |
|     protected function setAttributes($attributes = null)
 | |
|     {
 | |
|         /*
 | |
|         * fetch attributes from the server
 | |
|         */
 | |
|         if (is_null($attributes) && is_resource($this->_entry) && is_resource($this->_link)) {
 | |
|             // fetch schema
 | |
|             if ($this->_ldap instanceof Net_LDAP2) {
 | |
|                 $schema =& $this->_ldap->schema();
 | |
|             }
 | |
|             // fetch attributes
 | |
|             $attributes = array();
 | |
|             do {
 | |
|                 if (empty($attr)) {
 | |
|                     $ber  = null;
 | |
|                     $attr = @ldap_first_attribute($this->_link, $this->_entry, $ber);
 | |
|                 } else {
 | |
|                     $attr = @ldap_next_attribute($this->_link, $this->_entry, $ber);
 | |
|                 }
 | |
|                 if ($attr) {
 | |
|                     $func = 'ldap_get_values'; // standard function to fetch value
 | |
| 
 | |
|                     // Try to get binary values as binary data
 | |
|                     if ($schema instanceof Net_LDAP2_Schema) {
 | |
|                         if ($schema->isBinary($attr)) {
 | |
|                              $func = 'ldap_get_values_len';
 | |
|                         }
 | |
|                     }
 | |
|                     // fetch attribute value (needs error checking?)
 | |
|                     $attributes[$attr] = $func($this->_link, $this->_entry, $attr);
 | |
|                 }
 | |
|             } while ($attr);
 | |
|         }
 | |
| 
 | |
|         /*
 | |
|         * set attribute data directly, if passed
 | |
|         */
 | |
|         if (is_array($attributes) && count($attributes) > 0) {
 | |
|             if (isset($attributes["count"]) && is_numeric($attributes["count"])) {
 | |
|                 unset($attributes["count"]);
 | |
|             }
 | |
|             foreach ($attributes as $k => $v) {
 | |
|                 // attribute names should not be numeric
 | |
|                 if (is_numeric($k)) {
 | |
|                     continue;
 | |
|                 }
 | |
|                 // map generic attribute name to real one
 | |
|                 $this->_map[strtolower($k)] = $k;
 | |
|                 // attribute values should be in an array
 | |
|                 if (false == is_array($v)) {
 | |
|                     $v = array($v);
 | |
|                 }
 | |
|                 // remove the value count (comes from ldap server)
 | |
|                 if (isset($v["count"])) {
 | |
|                     unset($v["count"]);
 | |
|                 }
 | |
|                 $this->_attributes[$k] = $v;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // save a copy for later use
 | |
|         $this->_original = $this->_attributes;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Get the values of all attributes in a hash
 | |
|     *
 | |
|     * The returned hash has the form
 | |
|     * <code>array('attributename' => 'single value',
 | |
|     *       'attributename' => array('value1', value2', value3'))</code>
 | |
|     *
 | |
|     * @access public
 | |
|     * @return array Hash of all attributes with their values
 | |
|     */
 | |
|     public function getValues()
 | |
|     {
 | |
|         $attrs = array();
 | |
|         foreach ($this->_attributes as $attr => $value) {
 | |
|             $attrs[$attr] = $this->getValue($attr);
 | |
|         }
 | |
|         return $attrs;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Get the value of a specific attribute
 | |
|     *
 | |
|     * The first parameter is the name of the attribute
 | |
|     * The second parameter influences the way the value is returned:
 | |
|     * 'single': only the first value is returned as string
 | |
|     * 'all': all values including the value count are returned in an
 | |
|     *               array
 | |
|     * 'default': in all other cases an attribute value with a single value is
 | |
|     *            returned as string, if it has multiple values it is returned
 | |
|     *            as an array (without value count)
 | |
|     *
 | |
|     * @param string $attr   Attribute name
 | |
|     * @param string $option Option
 | |
|     *
 | |
|     * @access public
 | |
|     * @return string|array|PEAR_Error string, array or PEAR_Error
 | |
|     */
 | |
|     public function getValue($attr, $option = null)
 | |
|     {
 | |
|         $attr = $this->getAttrName($attr);
 | |
| 
 | |
|         if (false == array_key_exists($attr, $this->_attributes)) {
 | |
|             return PEAR::raiseError("Unknown attribute ($attr) requested");
 | |
|         }
 | |
| 
 | |
|         $value = $this->_attributes[$attr];
 | |
| 
 | |
|         if ($option == "single" || (count($value) == 1 && $option != 'all')) {
 | |
|             $value = array_shift($value);
 | |
|         }
 | |
| 
 | |
|         return $value;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Alias function of getValue for perl-ldap interface
 | |
|     *
 | |
|     * @see getValue()
 | |
|     * @return string|array|PEAR_Error
 | |
|     */
 | |
|     public function get_value()
 | |
|     {
 | |
|         $args = func_get_args();
 | |
|         return call_user_func_array(array( &$this, 'getValue' ), $args);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns an array of attributes names
 | |
|     *
 | |
|     * @access public
 | |
|     * @return array Array of attribute names
 | |
|     */
 | |
|     public function attributes()
 | |
|     {
 | |
|         return array_keys($this->_attributes);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns whether an attribute exists or not
 | |
|     *
 | |
|     * @param string $attr Attribute name
 | |
|     *
 | |
|     * @access public
 | |
|     * @return boolean
 | |
|     */
 | |
|     public function exists($attr)
 | |
|     {
 | |
|         $attr = $this->getAttrName($attr);
 | |
|         return array_key_exists($attr, $this->_attributes);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Adds a new attribute or a new value to an existing attribute
 | |
|     *
 | |
|     * The paramter has to be an array of the form:
 | |
|     * array('attributename' => 'single value',
 | |
|     *       'attributename' => array('value1', 'value2))
 | |
|     * When the attribute already exists the values will be added, else the
 | |
|     * attribute will be created. These changes are local to the entry and do
 | |
|     * not affect the entry on the server until update() is called.
 | |
|     *
 | |
|     * Note, that you can add values of attributes that you haven't selected, but if
 | |
|     * you do so, {@link getValue()} and {@link getValues()} will only return the
 | |
|     * values you added, _NOT_ all values present on the server. To avoid this, just refetch
 | |
|     * the entry after calling {@link update()} or select the attribute.
 | |
|     *
 | |
|     * @param array $attr Attributes to add
 | |
|     *
 | |
|     * @access public
 | |
|     * @return true|Net_LDAP2_Error
 | |
|     */
 | |
|     public function add($attr = array())
 | |
|     {
 | |
|         if (false == is_array($attr)) {
 | |
|             return PEAR::raiseError("Parameter must be an array");
 | |
|         }
 | |
|         foreach ($attr as $k => $v) {
 | |
|             $k = $this->getAttrName($k);
 | |
|             if (false == is_array($v)) {
 | |
|                 // Do not add empty values
 | |
|                 if ($v == null) {
 | |
|                     continue;
 | |
|                 } else {
 | |
|                     $v = array($v);
 | |
|                 }
 | |
|             }
 | |
|             // add new values to existing attribute or add new attribute
 | |
|             if ($this->exists($k)) {
 | |
|                 $this->_attributes[$k] = array_unique(array_merge($this->_attributes[$k], $v));
 | |
|             } else {
 | |
|                 $this->_map[strtolower($k)] = $k;
 | |
|                 $this->_attributes[$k]      = $v;
 | |
|             }
 | |
|             // save changes for update()
 | |
|             if (empty($this->_changes["add"][$k])) {
 | |
|                 $this->_changes["add"][$k] = array();
 | |
|             }
 | |
|             $this->_changes["add"][$k] = array_unique(array_merge($this->_changes["add"][$k], $v));
 | |
|         }
 | |
|         $return = true;
 | |
|         return $return;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Deletes an whole attribute or a value or the whole entry
 | |
|     *
 | |
|     * The parameter can be one of the following:
 | |
|     *
 | |
|     * "attributename" - The attribute as a whole will be deleted
 | |
|     * array("attributename1", "attributename2) - All given attributes will be
 | |
|     *                                            deleted
 | |
|     * array("attributename" => "value") - The value will be deleted
 | |
|     * array("attributename" => array("value1", "value2") - The given values
 | |
|     *                                                      will be deleted
 | |
|     * If $attr is null or omitted , then the whole Entry will be deleted!
 | |
|     *
 | |
|     * These changes are local to the entry and do
 | |
|     * not affect the entry on the server until {@link update()} is called.
 | |
|     *
 | |
|     * Please note that you must select the attribute (at $ldap->search() for example)
 | |
|     * to be able to delete values of it, Otherwise {@link update()} will silently fail
 | |
|     * and remove nothing.
 | |
|     *
 | |
|     * @param string|array $attr Attributes to delete (NULL or missing to delete whole entry)
 | |
|     *
 | |
|     * @access public
 | |
|     * @return true
 | |
|     */
 | |
|     public function delete($attr = null)
 | |
|     {
 | |
|         if (is_null($attr)) {
 | |
|             $this->_delete = true;
 | |
|             return true;
 | |
|         }
 | |
|         if (is_string($attr)) {
 | |
|             $attr = array($attr);
 | |
|         }
 | |
|         // Make the assumption that attribute names cannot be numeric,
 | |
|         // therefore this has to be a simple list of attribute names to delete
 | |
|         if (is_numeric(key($attr))) {
 | |
|             foreach ($attr as $name) {
 | |
|                 if (is_array($name)) {
 | |
|                     // someone mixed modes (list mode but specific values given!)
 | |
|                     $del_attr_name = array_search($name, $attr);
 | |
|                     $this->delete(array($del_attr_name => $name));
 | |
|                 } else {
 | |
|                     // mark for update() if this attr was not marked before
 | |
|                     $name = $this->getAttrName($name);
 | |
|                     if ($this->exists($name)) {
 | |
|                         $this->_changes["delete"][$name] = null;
 | |
|                         unset($this->_attributes[$name]);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         } else {
 | |
|             // Here we have a hash with "attributename" => "value to delete"
 | |
|             foreach ($attr as $name => $values) {
 | |
|                 if (is_int($name)) {
 | |
|                     // someone mixed modes and gave us just an attribute name
 | |
|                     $this->delete($values);
 | |
|                 } else {
 | |
|                     // mark for update() if this attr was not marked before;
 | |
|                     // this time it must consider the selected values also
 | |
|                     $name = $this->getAttrName($name);
 | |
|                     if ($this->exists($name)) {
 | |
|                         if (false == is_array($values)) {
 | |
|                             $values = array($values);
 | |
|                         }
 | |
|                         // save values to be deleted
 | |
|                         if (empty($this->_changes["delete"][$name])) {
 | |
|                             $this->_changes["delete"][$name] = array();
 | |
|                         }
 | |
|                         $this->_changes["delete"][$name] =
 | |
|                             array_unique(array_merge($this->_changes["delete"][$name], $values));
 | |
|                         foreach ($values as $value) {
 | |
|                             // find the key for the value that should be deleted
 | |
|                             $key = array_search($value, $this->_attributes[$name]);
 | |
|                             if (false !== $key) {
 | |
|                                 // delete the value
 | |
|                                 unset($this->_attributes[$name][$key]);
 | |
|                             }
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         $return = true;
 | |
|         return $return;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Replaces attributes or its values
 | |
|     *
 | |
|     * The parameter has to an array of the following form:
 | |
|     * array("attributename" => "single value",
 | |
|     *       "attribute2name" => array("value1", "value2"),
 | |
|     *       "deleteme1" => null,
 | |
|     *       "deleteme2" => "")
 | |
|     * If the attribute does not yet exist it will be added instead (see also $force).
 | |
|     * If the attribue value is null, the attribute will de deleted.
 | |
|     *
 | |
|     * These changes are local to the entry and do
 | |
|     * not affect the entry on the server until {@link update()} is called.
 | |
|     *
 | |
|     * In some cases you are not allowed to read the attributes value (for
 | |
|     * example the ActiveDirectory attribute unicodePwd) but are allowed to
 | |
|     * replace the value. In this case replace() would assume that the attribute
 | |
|     * is not in the directory yet and tries to add it which will result in an
 | |
|     * LDAP_TYPE_OR_VALUE_EXISTS error.
 | |
|     * To force replace mode instead of add, you can set $force to true.
 | |
|     *
 | |
|     * @param array $attr  Attributes to replace
 | |
|     * @param bool  $force Force replacing mode in case we can't read the attr value but are allowed to replace it
 | |
|     *
 | |
|     * @access public
 | |
|     * @return true|Net_LDAP2_Error
 | |
|     */
 | |
|     public function replace($attr = array(), $force = false)
 | |
|     {
 | |
|         if (false == is_array($attr)) {
 | |
|             return PEAR::raiseError("Parameter must be an array");
 | |
|         }
 | |
|         foreach ($attr as $k => $v) {
 | |
|             $k = $this->getAttrName($k);
 | |
|             if (false == is_array($v)) {
 | |
|                 // delete attributes with empty values; treat ints as string
 | |
|                 if (is_int($v)) {
 | |
|                     $v = "$v";
 | |
|                 }
 | |
|                 if ($v == null) {
 | |
|                     $this->delete($k);
 | |
|                     continue;
 | |
|                 } else {
 | |
|                     $v = array($v);
 | |
|                 }
 | |
|             }
 | |
|             // existing attributes will get replaced
 | |
|             if ($this->exists($k) || $force) {
 | |
|                 $this->_changes["replace"][$k] = $v;
 | |
|                 $this->_attributes[$k]         = $v;
 | |
|             } else {
 | |
|                 // new ones just get added
 | |
|                 $this->add(array($k => $v));
 | |
|             }
 | |
|         }
 | |
|         $return = true;
 | |
|         return $return;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Update the entry on the directory server
 | |
|     *
 | |
|     * This will evaluate all changes made so far and send them
 | |
|     * to the directory server.
 | |
|     * Please note, that if you make changes to objectclasses wich
 | |
|     * have mandatory attributes set, update() will currently fail.
 | |
|     * Remove the entry from the server and readd it as new in such cases.
 | |
|     * This also will deal with problems with setting structural object classes.
 | |
|     *
 | |
|     * @param Net_LDAP2 $ldap If passed, a call to setLDAP() is issued prior update, thus switching the LDAP-server. This is for perl-ldap interface compliance
 | |
|     *
 | |
|     * @access public
 | |
|     * @return true|Net_LDAP2_Error
 | |
|     * @todo Entry rename with a DN containing special characters needs testing!
 | |
|     */
 | |
|     public function update($ldap = null)
 | |
|     {
 | |
|         if ($ldap) {
 | |
|             $msg = $this->setLDAP($ldap);
 | |
|             if (Net_LDAP2::isError($msg)) {
 | |
|                 return PEAR::raiseError('You passed an invalid $ldap variable to update()');
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // ensure we have a valid LDAP object
 | |
|         $ldap =& $this->getLDAP();
 | |
|         if (!$ldap instanceof Net_LDAP2) {
 | |
|             return PEAR::raiseError("The entries LDAP object is not valid");
 | |
|         }
 | |
| 
 | |
|         // Get and check link
 | |
|         $link = $ldap->getLink();
 | |
|         if (!is_resource($link)) {
 | |
|             return PEAR::raiseError("Could not update entry: internal LDAP link is invalid");
 | |
|         }
 | |
| 
 | |
|         /*
 | |
|         * Delete the entry
 | |
|         */
 | |
|         if (true === $this->_delete) {
 | |
|             return $ldap->delete($this);
 | |
|         }
 | |
| 
 | |
|         /*
 | |
|         * New entry
 | |
|         */
 | |
|         if (true === $this->_new) {
 | |
|             $msg = $ldap->add($this);
 | |
|             if (Net_LDAP2::isError($msg)) {
 | |
|                 return $msg;
 | |
|             }
 | |
|             $this->_new                = false;
 | |
|             $this->_changes['add']     = array();
 | |
|             $this->_changes['delete']  = array();
 | |
|             $this->_changes['replace'] = array();
 | |
|             $this->_original           = $this->_attributes;
 | |
| 
 | |
|             $return = true;
 | |
|             return $return;
 | |
|         }
 | |
| 
 | |
|         /*
 | |
|         * Rename/move entry
 | |
|         */
 | |
|         if (false == is_null($this->_newdn)) {
 | |
|             if ($ldap->getLDAPVersion() !== 3) {
 | |
|                 return PEAR::raiseError("Renaming/Moving an entry is only supported in LDAPv3");
 | |
|             }
 | |
|             // make dn relative to parent (needed for ldap rename)
 | |
|             $parent = Net_LDAP2_Util::ldap_explode_dn($this->_newdn, array('casefolding' => 'none', 'reverse' => false, 'onlyvalues' => false));
 | |
|             if (Net_LDAP2::isError($parent)) {
 | |
|                 return $parent;
 | |
|             }
 | |
|             $child = array_shift($parent);
 | |
|             // maybe the dn consist of a multivalued RDN, we must build the dn in this case
 | |
|             // because the $child-RDN is an array!
 | |
|             if (is_array($child)) {
 | |
|                 $child = Net_LDAP2_Util::canonical_dn($child);
 | |
|             }
 | |
|             $parent = Net_LDAP2_Util::canonical_dn($parent);
 | |
| 
 | |
|             // rename/move
 | |
|             if (false == @ldap_rename($link, $this->_dn, $child, $parent, true)) {
 | |
|                 return PEAR::raiseError("Entry not renamed: " .
 | |
|                                         @ldap_error($link), @ldap_errno($link));
 | |
|             }
 | |
|             // reflect changes to local copy
 | |
|             $this->_dn    = $this->_newdn;
 | |
|             $this->_newdn = null;
 | |
|         }
 | |
| 
 | |
|         /*
 | |
|         * Carry out modifications to the entry
 | |
|         */
 | |
|         // ADD
 | |
|         foreach ($this->_changes["add"] as $attr => $value) {
 | |
|             // if attribute exists, add new values
 | |
|             if ($this->exists($attr)) {
 | |
|                 if (false === @ldap_mod_add($link, $this->dn(), array($attr => $value))) {
 | |
|                     return PEAR::raiseError("Could not add new values to attribute $attr: " .
 | |
|                                             @ldap_error($link), @ldap_errno($link));
 | |
|                 }
 | |
|             } else {
 | |
|                 // new attribute
 | |
|                 if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) {
 | |
|                     return PEAR::raiseError("Could not add new attribute $attr: " .
 | |
|                                             @ldap_error($link), @ldap_errno($link));
 | |
|                 }
 | |
|             }
 | |
|             // all went well here, I guess
 | |
|             unset($this->_changes["add"][$attr]);
 | |
|         }
 | |
| 
 | |
|         // DELETE
 | |
|         foreach ($this->_changes["delete"] as $attr => $value) {
 | |
|             // In LDAPv3 you need to specify the old values for deleting
 | |
|             if (is_null($value) && $ldap->getLDAPVersion() === 3) {
 | |
|                 $value = $this->_original[$attr];
 | |
|             }
 | |
|             if (false === @ldap_mod_del($link, $this->dn(), array($attr => $value))) {
 | |
|                 return PEAR::raiseError("Could not delete attribute $attr: " .
 | |
|                                         @ldap_error($link), @ldap_errno($link));
 | |
|             }
 | |
|             unset($this->_changes["delete"][$attr]);
 | |
|         }
 | |
| 
 | |
|         // REPLACE
 | |
|         foreach ($this->_changes["replace"] as $attr => $value) {
 | |
|             if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) {
 | |
|                 return PEAR::raiseError("Could not replace attribute $attr values: " .
 | |
|                                         @ldap_error($link), @ldap_errno($link));
 | |
|             }
 | |
|             unset($this->_changes["replace"][$attr]);
 | |
|         }
 | |
| 
 | |
|         // all went well, so _original (server) becomes _attributes (local copy)
 | |
|         $this->_original = $this->_attributes;
 | |
| 
 | |
|         $return = true;
 | |
|         return $return;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns the right attribute name
 | |
|     *
 | |
|     * @param string $attr Name of attribute
 | |
|     *
 | |
|     * @access protected
 | |
|     * @return string The right name of the attribute
 | |
|     */
 | |
|     protected function getAttrName($attr)
 | |
|     {
 | |
|         $name = strtolower($attr);
 | |
|         if (array_key_exists($name, $this->_map)) {
 | |
|             $attr = $this->_map[$name];
 | |
|         }
 | |
|         return $attr;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns a reference to the LDAP-Object of this entry
 | |
|     *
 | |
|     * @access public
 | |
|     * @return Net_LDAP2|Net_LDAP2_Error   Reference to the Net_LDAP2 Object (the connection) or Net_LDAP2_Error
 | |
|     */
 | |
|     public function &getLDAP()
 | |
|     {
 | |
|         if (!$this->_ldap instanceof Net_LDAP2) {
 | |
|             $err = new PEAR_Error('LDAP is not a valid Net_LDAP2 object');
 | |
|             return $err;
 | |
|         } else {
 | |
|             return $this->_ldap;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Sets a reference to the LDAP-Object of this entry
 | |
|     *
 | |
|     * After setting a Net_LDAP2 object, calling update() will use that object for
 | |
|     * updating directory contents. Use this to dynamicly switch directorys.
 | |
|     *
 | |
|     * @param Net_LDAP2 &$ldap Net_LDAP2 object that this entry should be connected to
 | |
|     *
 | |
|     * @access public
 | |
|     * @return true|Net_LDAP2_Error
 | |
|     */
 | |
|     public function setLDAP(&$ldap)
 | |
|     {
 | |
|         if (!$ldap instanceof Net_LDAP2) {
 | |
|             return PEAR::raiseError("LDAP is not a valid Net_LDAP2 object");
 | |
|         } else {
 | |
|             $this->_ldap =& $ldap;
 | |
|             return true;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Marks the entry as new/existing.
 | |
|     *
 | |
|     * If an Entry is marked as new, it will be added to the directory
 | |
|     * when calling {@link update()}.
 | |
|     * If the entry is marked as old ($mark = false), then the entry is
 | |
|     * assumed to be present in the directory server wich results in
 | |
|     * modification when calling {@link update()}.
 | |
|     *
 | |
|     * @param boolean $mark Value to set, defaults to "true"
 | |
|     *
 | |
|     * @return void
 | |
|     */
 | |
|     public function markAsNew($mark = true)
 | |
|     {
 | |
|         $this->_new = ($mark)? true : false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Applies a regular expression onto a single- or multivalued attribute (like preg_match())
 | |
|     *
 | |
|     * This method behaves like PHPs preg_match() but with some exceptions.
 | |
|     * If you want to retrieve match information, then you MUST pass the
 | |
|     * $matches parameter via reference! otherwise you will get no matches.
 | |
|     * Since it is possible to have multi valued attributes the $matches
 | |
|     * array will have a additionally numerical dimension (one for each value):
 | |
|     * <code>
 | |
|     * $matches = array(
 | |
|     *         0 => array (usual preg_match() returnarray),
 | |
|     *         1 => array (usual preg_match() returnarray)
 | |
|     *     )
 | |
|     * </code>
 | |
|     * Please note, that $matches will be initialized to an empty array inside.
 | |
|     *
 | |
|     * Usage example:
 | |
|     * <code>
 | |
|     * $result = $entry->preg_match('/089(\d+)/', 'telephoneNumber', &$matches);
 | |
|     * if ( $result === true ){
 | |
|     *     echo "First match: ".$matches[0][1];   // Match of value 1, content of first bracket
 | |
|     * } else {
 | |
|     *     if ( Net_LDAP2::isError($result) ) {
 | |
|     *         echo "Error: ".$result->getMessage();
 | |
|     *     } else {
 | |
|     *         echo "No match found.";
 | |
|     *     }
 | |
|     * }
 | |
|     * </code>
 | |
|     *
 | |
|     * Please note that it is important to test for an Net_LDAP2_Error, because objects are
 | |
|     * evaluating to true by default, thus if an error occured, and you only check using "==" then
 | |
|     * you get misleading results. Use the "identical" (===) operator to test for matches to
 | |
|     * avoid this as shown above.
 | |
|     *
 | |
|     * @param string $regex     The regular expression
 | |
|     * @param string $attr_name The attribute to search in
 | |
|     * @param array  $matches   (optional, PASS BY REFERENCE!) Array to store matches in
 | |
|     *
 | |
|     * @return boolean|Net_LDAP2_Error  TRUE, if we had a match in one of the values, otherwise false. Net_LDAP2_Error in case something went wrong
 | |
|     */
 | |
|     public function pregMatch($regex, $attr_name, $matches = array())
 | |
|     {
 | |
|         $matches = array();
 | |
| 
 | |
|         // fetch attribute values
 | |
|         $attr = $this->getValue($attr_name, 'all');
 | |
|         if (Net_LDAP2::isError($attr)) {
 | |
|             return $attr;
 | |
|         } else {
 | |
|             unset($attr['count']);
 | |
|         }
 | |
| 
 | |
|         // perform preg_match() on all values
 | |
|         $match = false;
 | |
|         foreach ($attr as $thisvalue) {
 | |
|             $matches_int = array();
 | |
|             if (preg_match($regex, $thisvalue, $matches_int)) {
 | |
|                 $match = true;
 | |
|                 array_push($matches, $matches_int); // store matches in reference
 | |
|             }
 | |
|         }
 | |
|         return $match;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Alias of {@link pregMatch()} for compatibility to Net_LDAP 1
 | |
|     *
 | |
|     * @see pregMatch()
 | |
|     * @return boolean|Net_LDAP2_Error
 | |
|     */
 | |
|     public function preg_match()
 | |
|     {
 | |
|         $args = func_get_args();
 | |
|         return call_user_func_array(array( &$this, 'pregMatch' ), $args);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Tells if the entry is consiedered as new (not present in the server)
 | |
|     *
 | |
|     * Please note, that this doesn't tell you if the entry is present on the server.
 | |
|     * Use {@link Net_LDAP2::dnExists()} to see if an entry is already there.
 | |
|     *
 | |
|     * @return boolean
 | |
|     */
 | |
|     public function isNew()
 | |
|     {
 | |
|         return $this->_new;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|     * Is this entry going to be deleted once update() is called?
 | |
|     *
 | |
|     * @return boolean
 | |
|     */
 | |
|     public function willBeDeleted()
 | |
|     {
 | |
|         return $this->_delete;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Is this entry going to be moved once update() is called?
 | |
|     *
 | |
|     * @return boolean
 | |
|     */
 | |
|     public function willBeMoved()
 | |
|     {
 | |
|         return ($this->dn() !== $this->currentDN());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns always the original DN
 | |
|     *
 | |
|     * If an entry will be moved but {@link update()} was not called,
 | |
|     * {@link dn()} will return the new DN. This method however, returns
 | |
|     * always the current active DN.
 | |
|     *
 | |
|     * @return string
 | |
|     */
 | |
|     public function currentDN()
 | |
|     {
 | |
|         return $this->_dn;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns the attribute changes to be carried out once update() is called
 | |
|     *
 | |
|     * @return array
 | |
|     */
 | |
|     public function getChanges()
 | |
|     {
 | |
|         return $this->_changes;
 | |
|     }
 | |
| }
 | |
| ?>
 |