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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 Schema
* @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: OpenLdap.php 17829 2009-08-26 15:07:10Z sgehrig $
*/
/**
* @see Zend_Ldap_Node_Schema
*/
require_once 'Zend/Ldap/Node/Schema.php';
/**
* @see Zend_Ldap_Node_Schema_AttributeType_OpenLdap
*/
require_once 'Zend/Ldap/Node/Schema/AttributeType/OpenLdap.php';
/**
* @see Zend_Ldap_Node_Schema_ObjectClass_OpenLdap
*/
require_once 'Zend/Ldap/Node/Schema/ObjectClass/OpenLdap.php';
/**
* Zend_Ldap_Node_Schema_OpenLdap provides a simple data-container for the Schema node of
* an OpenLDAP server.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Schema
* @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_Schema_OpenLdap extends Zend_Ldap_Node_Schema
{
/**
* The attribute Types
*
* @var array
*/
protected $_attributeTypes = null;
/**
* The object classes
*
* @var array
*/
protected $_objectClasses = null;
/**
* The LDAP syntaxes
*
* @var array
*/
protected $_ldapSyntaxes = null;
/**
* The matching rules
*
* @var array
*/
protected $_matchingRules = null;
/**
* The matching rule use
*
* @var array
*/
protected $_matchingRuleUse = null;
/**
* Parses the schema
*
* @param Zend_Ldap_Dn $dn
* @param Zend_Ldap $ldap
* @return Zend_Ldap_Node_Schema Provides a fluid interface
*/
protected function _parseSchema(Zend_Ldap_Dn $dn, Zend_Ldap $ldap)
{
parent::_parseSchema($dn, $ldap);
$this->_loadAttributeTypes();
$this->_loadLdapSyntaxes();
$this->_loadMatchingRules();
$this->_loadMatchingRuleUse();
$this->_loadObjectClasses();
return $this;
}
/**
* Gets the attribute Types
*
* @return array
*/
public function getAttributeTypes()
{
return $this->_attributeTypes;
}
/**
* Gets the object classes
*
* @return array
*/
public function getObjectClasses()
{
return $this->_objectClasses;
}
/**
* Gets the LDAP syntaxes
*
* @return array
*/
public function getLdapSyntaxes()
{
return $this->_ldapSyntaxes;
}
/**
* Gets the matching rules
*
* @return array
*/
public function getMatchingRules()
{
return $this->_matchingRules;
}
/**
* Gets the matching rule use
*
* @return array
*/
public function getMatchingRuleUse()
{
return $this->_matchingRuleUse;
}
/**
* Loads the attribute Types
*
* @return void
*/
protected function _loadAttributeTypes()
{
$this->_attributeTypes = array();
foreach ($this->getAttribute('attributeTypes') as $value) {
$val = $this->_parseAttributeType($value);
$val = new Zend_Ldap_Node_Schema_AttributeType_OpenLdap($val);
$this->_attributeTypes[$val->getName()] = $val;
}
foreach ($this->_attributeTypes as $val) {
if (count($val->sup) > 0) {
$this->_resolveInheritance($val, $this->_attributeTypes);
}
foreach ($val->aliases as $alias) {
$this->_attributeTypes[$alias] = $val;
}
}
ksort($this->_attributeTypes, SORT_STRING);
}
/**
* Parses an attributeType value
*
* @param string $value
* @return array
*/
protected function _parseAttributeType($value)
{
$attributeType = array(
'oid' => null,
'name' => null,
'desc' => null,
'obsolete' => false,
'sup' => null,
'equality' => null,
'ordering' => null,
'substr' => null,
'syntax' => null,
'max-length' => null,
'single-value' => false,
'collective' => false,
'no-user-modification' => false,
'usage' => 'userApplications',
'_string' => $value,
'_parents' => array());
$tokens = $this->_tokenizeString($value);
$attributeType['oid'] = array_shift($tokens); // first token is the oid
$this->_parseLdapSchemaSyntax($attributeType, $tokens);
if (array_key_exists('syntax', $attributeType)) {
// get max length from syntax
if (preg_match('/^(.+){(\d+)}$/', $attributeType['syntax'], $matches)) {
$attributeType['syntax'] = $matches[1];
$attributeType['max-length'] = $matches[2];
}
}
$this->_ensureNameAttribute($attributeType);
return $attributeType;
}
/**
* Loads the object classes
*
* @return void
*/
protected function _loadObjectClasses()
{
$this->_objectClasses = array();
foreach ($this->getAttribute('objectClasses') as $value) {
$val = $this->_parseObjectClass($value);
$val = new Zend_Ldap_Node_Schema_ObjectClass_OpenLdap($val);
$this->_objectClasses[$val->getName()] = $val;
}
foreach ($this->_objectClasses as $val) {
if (count($val->sup) > 0) {
$this->_resolveInheritance($val, $this->_objectClasses);
}
foreach ($val->aliases as $alias) {
$this->_objectClasses[$alias] = $val;
}
}
ksort($this->_objectClasses, SORT_STRING);
}
/**
* Parses an objectClasses value
*
* @param string $value
* @return array
*/
protected function _parseObjectClass($value)
{
$objectClass = array(
'oid' => null,
'name' => null,
'desc' => null,
'obsolete' => false,
'sup' => array(),
'abstract' => false,
'structural' => false,
'auxiliary' => false,
'must' => array(),
'may' => array(),
'_string' => $value,
'_parents' => array());
$tokens = $this->_tokenizeString($value);
$objectClass['oid'] = array_shift($tokens); // first token is the oid
$this->_parseLdapSchemaSyntax($objectClass, $tokens);
$this->_ensureNameAttribute($objectClass);
return $objectClass;
}
/**
* Resolves inheritance in objectClasses and attributes
*
* @param Zend_Ldap_Node_Schema_Item $node
* @param array $repository
*/
protected function _resolveInheritance(Zend_Ldap_Node_Schema_Item $node, array $repository)
{
$data = $node->getData();
$parents = $data['sup'];
if ($parents === null || !is_array($parents) || count($parents) < 1) return;
foreach ($parents as $parent) {
if (!array_key_exists($parent, $repository)) continue;
if (!array_key_exists('_parents', $data) || !is_array($data['_parents'])) {
$data['_parents'] = array();
}
$data['_parents'][] = $repository[$parent];
}
$node->setData($data);
}
/**
* Loads the LDAP syntaxes
*
* @return void
*/
protected function _loadLdapSyntaxes()
{
$this->_ldapSyntaxes = array();
foreach ($this->getAttribute('ldapSyntaxes') as $value) {
$val = $this->_parseLdapSyntax($value);
$this->_ldapSyntaxes[$val['oid']] = $val;
}
ksort($this->_ldapSyntaxes, SORT_STRING);
}
/**
* Parses an ldapSyntaxes value
*
* @param string $value
* @return array
*/
protected function _parseLdapSyntax($value)
{
$ldapSyntax = array(
'oid' => null,
'desc' => null,
'_string' => $value);
$tokens = $this->_tokenizeString($value);
$ldapSyntax['oid'] = array_shift($tokens); // first token is the oid
$this->_parseLdapSchemaSyntax($ldapSyntax, $tokens);
return $ldapSyntax;
}
/**
* Loads the matching rules
*
* @return void
*/
protected function _loadMatchingRules()
{
$this->_matchingRules = array();
foreach ($this->getAttribute('matchingRules') as $value) {
$val = $this->_parseMatchingRule($value);
$this->_matchingRules[$val['name']] = $val;
}
ksort($this->_matchingRules, SORT_STRING);
}
/**
* Parses an matchingRules value
*
* @param string $value
* @return array
*/
protected function _parseMatchingRule($value)
{
$matchingRule = array(
'oid' => null,
'name' => null,
'desc' => null,
'obsolete' => false,
'syntax' => null,
'_string' => $value);
$tokens = $this->_tokenizeString($value);
$matchingRule['oid'] = array_shift($tokens); // first token is the oid
$this->_parseLdapSchemaSyntax($matchingRule, $tokens);
$this->_ensureNameAttribute($matchingRule);
return $matchingRule;
}
/**
* Loads the matching rule use
*
* @return void
*/
protected function _loadMatchingRuleUse()
{
$this->_matchingRuleUse = array();
foreach ($this->getAttribute('matchingRuleUse') as $value) {
$val = $this->_parseMatchingRuleUse($value);
$this->_matchingRuleUse[$val['name']] = $val;
}
ksort($this->_matchingRuleUse, SORT_STRING);
}
/**
* Parses an matchingRuleUse value
*
* @param string $value
* @return array
*/
protected function _parseMatchingRuleUse($value)
{
$matchingRuleUse = array(
'oid' => null,
'name' => null,
'desc' => null,
'obsolete' => false,
'applies' => array(),
'_string' => $value);
$tokens = $this->_tokenizeString($value);
$matchingRuleUse['oid'] = array_shift($tokens); // first token is the oid
$this->_parseLdapSchemaSyntax($matchingRuleUse, $tokens);
$this->_ensureNameAttribute($matchingRuleUse);
return $matchingRuleUse;
}
/**
* Ensures that a name element is present and that it is single-values.
*
* @param array $data
*/
protected function _ensureNameAttribute(array &$data)
{
if (!array_key_exists('name', $data) || empty($data['name'])) {
// force a name
$data['name'] = $data['oid'];
}
if (is_array($data['name'])) {
// make one name the default and put the other ones into aliases
$aliases = $data['name'];
$data['name'] = array_shift($aliases);
$data['aliases'] = $aliases;
} else {
$data['aliases'] = array();
}
}
/**
* Parse the given tokens into a data structure
*
* @param array $data
* @param array $tokens
* @return void
*/
protected function _parseLdapSchemaSyntax(array &$data, array $tokens)
{
// tokens that have no value associated
$noValue = array('single-value',
'obsolete',
'collective',
'no-user-modification',
'abstract',
'structural',
'auxiliary');
// tokens that can have multiple values
$multiValue = array('must', 'may', 'sup');
while (count($tokens) > 0) {
$token = strtolower(array_shift($tokens));
if (in_array($token, $noValue)) {
$data[$token] = true; // single value token
} else {
$data[$token] = array_shift($tokens);
// this one follows a string or a list if it is multivalued
if ($data[$token] == '(') {
// this creates the list of values and cycles through the tokens
// until the end of the list is reached ')'
$data[$token] = array();
while ($tmp = array_shift($tokens)) {
if ($tmp == ')') break;
if ($tmp != '$') {
$data[$token][] = Zend_Ldap_Attribute::convertFromLdapValue($tmp);
}
}
} else {
$data[$token] = Zend_Ldap_Attribute::convertFromLdapValue($data[$token]);
}
// create a array if the value should be multivalued but was not
if (in_array($token, $multiValue) && !is_array($data[$token])) {
$data[$token] = array($data[$token]);
}
}
}
}
/**
* Tokenizes the given value into an array
*
* @param string $value
* @return array tokens
*/
protected function _tokenizeString($value)
{
$tokens = array();
$matches = array();
// this one is taken from PEAR::Net_LDAP2
$pattern = "/\s* (?:([()]) | ([^'\s()]+) | '((?:[^']+|'[^\s)])*)') \s*/x";
preg_match_all($pattern, $value, $matches);
$cMatches = count($matches[0]);
$cPattern = count($matches);
for ($i = 0; $i < $cMatches; $i++) { // number of tokens (full pattern match)
for ($j = 1; $j < $cPattern; $j++) { // each subpattern
$tok = trim($matches[$j][$i]);
if (!empty($tok)) { // pattern match in this subpattern
$tokens[$i] = $tok; // this is the token
}
}
}
if ($tokens[0] == '(') array_shift($tokens);
if ($tokens[count($tokens) - 1] == ')') array_pop($tokens);
return $tokens;
}
}
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