/library/Zend/Ldap/Node/Schema/OpenLdap.php
PHP | 493 lines | 292 code | 44 blank | 157 comment | 27 complexity | a49756809c63a40a5eab0c80abf9181a MD5 | raw file
Possible License(s): BSD-3-Clause
- <?php
- /**
- * Zend Framework (http://framework.zend.com/)
- *
- * @link http://github.com/zendframework/zf2 for the canonical source repository
- * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- namespace Zend\Ldap\Node\Schema;
- use Zend\Ldap;
- use Zend\Ldap\Converter;
- use Zend\Ldap\Node;
- /**
- * Zend\Ldap\Node\Schema\OpenLDAP provides a simple data-container for the Schema node of
- * an OpenLDAP server.
- */
- class OpenLdap extends 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 $ldap
- * @return OpenLdap Provides a fluid interface
- */
- protected function parseSchema(Ldap\Dn $dn, Ldap\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);
- $val = new AttributeType\OpenLdap($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);
- $val = new ObjectClass\OpenLdap($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 AbstractItem $node
- * @param array $repository
- */
- protected function resolveInheritance(AbstractItem $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 a 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 a 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();
- $tmp = array_shift($tokens);
- while ($tmp) {
- if ($tmp == ')') {
- break;
- }
- if ($tmp != '$') {
- $data[$token][] = Converter\Converter::fromLdap($tmp);
- }
- $tmp = array_shift($tokens);
- }
- } else {
- $data[$token] = Converter\Converter::fromLdap($data[$token]);
- }
- // create an 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;
- }
- }