1 | <?php |
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2 | /** |
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3 | * Zend Framework |
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4 | * |
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5 | * LICENSE |
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6 | * |
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7 | * This source file is subject to the new BSD license that is bundled |
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8 | * with this package in the file LICENSE.txt. |
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9 | * It is also available through the world-wide-web at this URL: |
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10 | * http://framework.zend.com/license/new-bsd |
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11 | * If you did not receive a copy of the license and are unable to |
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12 | * obtain it through the world-wide-web, please send an email |
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13 | * to license@zend.com so we can send you a copy immediately. |
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14 | * |
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15 | * @category Zend |
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16 | * @package Zend_Ldap |
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17 | * @subpackage Schema |
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18 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 | * @version $Id: OpenLdap.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 | */ |
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22 | |
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23 | /** |
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24 | * @see Zend_Ldap_Node_Schema |
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25 | */ |
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26 | require_once 'Zend/Ldap/Node/Schema.php'; |
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27 | /** |
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28 | * @see Zend_Ldap_Node_Schema_AttributeType_OpenLdap |
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29 | */ |
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30 | require_once 'Zend/Ldap/Node/Schema/AttributeType/OpenLdap.php'; |
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31 | /** |
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32 | * @see Zend_Ldap_Node_Schema_ObjectClass_OpenLdap |
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33 | */ |
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34 | require_once 'Zend/Ldap/Node/Schema/ObjectClass/OpenLdap.php'; |
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35 | |
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36 | /** |
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37 | * Zend_Ldap_Node_Schema_OpenLdap provides a simple data-container for the Schema node of |
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38 | * an OpenLDAP server. |
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39 | * |
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40 | * @category Zend |
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41 | * @package Zend_Ldap |
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42 | * @subpackage Schema |
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43 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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44 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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45 | */ |
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46 | class Zend_Ldap_Node_Schema_OpenLdap extends Zend_Ldap_Node_Schema |
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47 | { |
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48 | /** |
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49 | * The attribute Types |
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50 | * |
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51 | * @var array |
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52 | */ |
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53 | protected $_attributeTypes = null; |
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54 | /** |
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55 | * The object classes |
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56 | * |
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57 | * @var array |
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58 | */ |
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59 | protected $_objectClasses = null; |
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60 | /** |
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61 | * The LDAP syntaxes |
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62 | * |
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63 | * @var array |
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64 | */ |
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65 | protected $_ldapSyntaxes = null; |
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66 | /** |
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67 | * The matching rules |
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68 | * |
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69 | * @var array |
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70 | */ |
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71 | protected $_matchingRules = null; |
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72 | /** |
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73 | * The matching rule use |
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74 | * |
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75 | * @var array |
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76 | */ |
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77 | protected $_matchingRuleUse = null; |
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78 | |
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79 | /** |
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80 | * Parses the schema |
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81 | * |
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82 | * @param Zend_Ldap_Dn $dn |
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83 | * @param Zend_Ldap $ldap |
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84 | * @return Zend_Ldap_Node_Schema Provides a fluid interface |
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85 | */ |
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86 | protected function _parseSchema(Zend_Ldap_Dn $dn, Zend_Ldap $ldap) |
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87 | { |
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88 | parent::_parseSchema($dn, $ldap); |
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89 | $this->_loadAttributeTypes(); |
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90 | $this->_loadLdapSyntaxes(); |
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91 | $this->_loadMatchingRules(); |
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92 | $this->_loadMatchingRuleUse(); |
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93 | $this->_loadObjectClasses(); |
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94 | return $this; |
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95 | } |
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96 | |
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97 | /** |
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98 | * Gets the attribute Types |
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99 | * |
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100 | * @return array |
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101 | */ |
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102 | public function getAttributeTypes() |
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103 | { |
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104 | return $this->_attributeTypes; |
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105 | } |
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106 | |
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107 | /** |
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108 | * Gets the object classes |
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109 | * |
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110 | * @return array |
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111 | */ |
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112 | public function getObjectClasses() |
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113 | { |
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114 | return $this->_objectClasses; |
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115 | } |
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116 | |
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117 | /** |
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118 | * Gets the LDAP syntaxes |
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119 | * |
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120 | * @return array |
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121 | */ |
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122 | public function getLdapSyntaxes() |
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123 | { |
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124 | return $this->_ldapSyntaxes; |
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125 | } |
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126 | |
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127 | /** |
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128 | * Gets the matching rules |
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129 | * |
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130 | * @return array |
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131 | */ |
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132 | public function getMatchingRules() |
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133 | { |
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134 | return $this->_matchingRules; |
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135 | } |
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136 | |
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137 | /** |
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138 | * Gets the matching rule use |
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139 | * |
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140 | * @return array |
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141 | */ |
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142 | public function getMatchingRuleUse() |
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143 | { |
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144 | return $this->_matchingRuleUse; |
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145 | } |
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146 | |
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147 | /** |
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148 | * Loads the attribute Types |
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149 | * |
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150 | * @return void |
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151 | */ |
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152 | protected function _loadAttributeTypes() |
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153 | { |
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154 | $this->_attributeTypes = array(); |
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155 | foreach ($this->getAttribute('attributeTypes') as $value) { |
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156 | $val = $this->_parseAttributeType($value); |
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157 | $val = new Zend_Ldap_Node_Schema_AttributeType_OpenLdap($val); |
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158 | $this->_attributeTypes[$val->getName()] = $val; |
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159 | |
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160 | } |
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161 | foreach ($this->_attributeTypes as $val) { |
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162 | if (count($val->sup) > 0) { |
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163 | $this->_resolveInheritance($val, $this->_attributeTypes); |
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164 | } |
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165 | foreach ($val->aliases as $alias) { |
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166 | $this->_attributeTypes[$alias] = $val; |
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167 | } |
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168 | } |
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169 | ksort($this->_attributeTypes, SORT_STRING); |
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170 | } |
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171 | |
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172 | /** |
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173 | * Parses an attributeType value |
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174 | * |
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175 | * @param string $value |
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176 | * @return array |
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177 | */ |
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178 | protected function _parseAttributeType($value) |
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179 | { |
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180 | $attributeType = array( |
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181 | 'oid' => null, |
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182 | 'name' => null, |
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183 | 'desc' => null, |
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184 | 'obsolete' => false, |
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185 | 'sup' => null, |
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186 | 'equality' => null, |
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187 | 'ordering' => null, |
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188 | 'substr' => null, |
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189 | 'syntax' => null, |
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190 | 'max-length' => null, |
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191 | 'single-value' => false, |
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192 | 'collective' => false, |
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193 | 'no-user-modification' => false, |
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194 | 'usage' => 'userApplications', |
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195 | '_string' => $value, |
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196 | '_parents' => array()); |
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197 | |
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198 | $tokens = $this->_tokenizeString($value); |
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199 | $attributeType['oid'] = array_shift($tokens); // first token is the oid |
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200 | $this->_parseLdapSchemaSyntax($attributeType, $tokens); |
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201 | |
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202 | if (array_key_exists('syntax', $attributeType)) { |
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203 | // get max length from syntax |
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204 | if (preg_match('/^(.+){(\d+)}$/', $attributeType['syntax'], $matches)) { |
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205 | $attributeType['syntax'] = $matches[1]; |
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206 | $attributeType['max-length'] = $matches[2]; |
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207 | } |
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208 | } |
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209 | |
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210 | $this->_ensureNameAttribute($attributeType); |
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211 | |
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212 | return $attributeType; |
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213 | } |
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214 | |
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215 | /** |
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216 | * Loads the object classes |
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217 | * |
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218 | * @return void |
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219 | */ |
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220 | protected function _loadObjectClasses() |
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221 | { |
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222 | $this->_objectClasses = array(); |
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223 | foreach ($this->getAttribute('objectClasses') as $value) { |
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224 | $val = $this->_parseObjectClass($value); |
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225 | $val = new Zend_Ldap_Node_Schema_ObjectClass_OpenLdap($val); |
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226 | $this->_objectClasses[$val->getName()] = $val; |
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227 | } |
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228 | foreach ($this->_objectClasses as $val) { |
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229 | if (count($val->sup) > 0) { |
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230 | $this->_resolveInheritance($val, $this->_objectClasses); |
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231 | } |
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232 | foreach ($val->aliases as $alias) { |
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233 | $this->_objectClasses[$alias] = $val; |
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234 | } |
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235 | } |
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236 | ksort($this->_objectClasses, SORT_STRING); |
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237 | } |
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238 | |
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239 | /** |
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240 | * Parses an objectClasses value |
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241 | * |
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242 | * @param string $value |
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243 | * @return array |
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244 | */ |
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245 | protected function _parseObjectClass($value) |
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246 | { |
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247 | $objectClass = array( |
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248 | 'oid' => null, |
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249 | 'name' => null, |
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250 | 'desc' => null, |
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251 | 'obsolete' => false, |
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252 | 'sup' => array(), |
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253 | 'abstract' => false, |
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254 | 'structural' => false, |
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255 | 'auxiliary' => false, |
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256 | 'must' => array(), |
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257 | 'may' => array(), |
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258 | '_string' => $value, |
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259 | '_parents' => array()); |
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260 | |
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261 | $tokens = $this->_tokenizeString($value); |
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262 | $objectClass['oid'] = array_shift($tokens); // first token is the oid |
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263 | $this->_parseLdapSchemaSyntax($objectClass, $tokens); |
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264 | |
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265 | $this->_ensureNameAttribute($objectClass); |
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266 | |
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267 | return $objectClass; |
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268 | } |
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269 | |
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270 | /** |
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271 | * Resolves inheritance in objectClasses and attributes |
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272 | * |
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273 | * @param Zend_Ldap_Node_Schema_Item $node |
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274 | * @param array $repository |
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275 | */ |
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276 | protected function _resolveInheritance(Zend_Ldap_Node_Schema_Item $node, array $repository) |
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277 | { |
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278 | $data = $node->getData(); |
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279 | $parents = $data['sup']; |
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280 | if ($parents === null || !is_array($parents) || count($parents) < 1) return; |
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281 | foreach ($parents as $parent) { |
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282 | if (!array_key_exists($parent, $repository)) continue; |
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283 | if (!array_key_exists('_parents', $data) || !is_array($data['_parents'])) { |
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284 | $data['_parents'] = array(); |
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285 | } |
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286 | $data['_parents'][] = $repository[$parent]; |
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287 | } |
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288 | $node->setData($data); |
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289 | } |
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290 | |
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291 | /** |
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292 | * Loads the LDAP syntaxes |
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293 | * |
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294 | * @return void |
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295 | */ |
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296 | protected function _loadLdapSyntaxes() |
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297 | { |
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298 | $this->_ldapSyntaxes = array(); |
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299 | foreach ($this->getAttribute('ldapSyntaxes') as $value) { |
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300 | $val = $this->_parseLdapSyntax($value); |
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301 | $this->_ldapSyntaxes[$val['oid']] = $val; |
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302 | } |
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303 | ksort($this->_ldapSyntaxes, SORT_STRING); |
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304 | } |
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305 | |
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306 | /** |
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307 | * Parses an ldapSyntaxes value |
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308 | * |
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309 | * @param string $value |
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310 | * @return array |
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311 | */ |
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312 | protected function _parseLdapSyntax($value) |
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313 | { |
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314 | $ldapSyntax = array( |
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315 | 'oid' => null, |
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316 | 'desc' => null, |
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317 | '_string' => $value); |
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318 | |
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319 | $tokens = $this->_tokenizeString($value); |
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320 | $ldapSyntax['oid'] = array_shift($tokens); // first token is the oid |
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321 | $this->_parseLdapSchemaSyntax($ldapSyntax, $tokens); |
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322 | |
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323 | return $ldapSyntax; |
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324 | } |
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325 | |
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326 | /** |
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327 | * Loads the matching rules |
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328 | * |
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329 | * @return void |
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330 | */ |
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331 | protected function _loadMatchingRules() |
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332 | { |
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333 | $this->_matchingRules = array(); |
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334 | foreach ($this->getAttribute('matchingRules') as $value) { |
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335 | $val = $this->_parseMatchingRule($value); |
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336 | $this->_matchingRules[$val['name']] = $val; |
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337 | } |
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338 | ksort($this->_matchingRules, SORT_STRING); |
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339 | } |
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340 | |
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341 | /** |
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342 | * Parses an matchingRules value |
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343 | * |
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344 | * @param string $value |
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345 | * @return array |
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346 | */ |
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347 | protected function _parseMatchingRule($value) |
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348 | { |
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349 | $matchingRule = array( |
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350 | 'oid' => null, |
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351 | 'name' => null, |
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352 | 'desc' => null, |
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353 | 'obsolete' => false, |
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354 | 'syntax' => null, |
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355 | '_string' => $value); |
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356 | |
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357 | $tokens = $this->_tokenizeString($value); |
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358 | $matchingRule['oid'] = array_shift($tokens); // first token is the oid |
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359 | $this->_parseLdapSchemaSyntax($matchingRule, $tokens); |
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360 | |
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361 | $this->_ensureNameAttribute($matchingRule); |
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362 | |
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363 | return $matchingRule; |
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364 | } |
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365 | |
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366 | /** |
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367 | * Loads the matching rule use |
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368 | * |
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369 | * @return void |
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370 | */ |
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371 | protected function _loadMatchingRuleUse() |
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372 | { |
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373 | $this->_matchingRuleUse = array(); |
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374 | foreach ($this->getAttribute('matchingRuleUse') as $value) { |
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375 | $val = $this->_parseMatchingRuleUse($value); |
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376 | $this->_matchingRuleUse[$val['name']] = $val; |
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377 | } |
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378 | ksort($this->_matchingRuleUse, SORT_STRING); |
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379 | } |
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380 | |
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381 | /** |
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382 | * Parses an matchingRuleUse value |
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383 | * |
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384 | * @param string $value |
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385 | * @return array |
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386 | */ |
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387 | protected function _parseMatchingRuleUse($value) |
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388 | { |
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389 | $matchingRuleUse = array( |
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390 | 'oid' => null, |
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391 | 'name' => null, |
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392 | 'desc' => null, |
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393 | 'obsolete' => false, |
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394 | 'applies' => array(), |
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395 | '_string' => $value); |
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396 | |
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397 | $tokens = $this->_tokenizeString($value); |
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398 | $matchingRuleUse['oid'] = array_shift($tokens); // first token is the oid |
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399 | $this->_parseLdapSchemaSyntax($matchingRuleUse, $tokens); |
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400 | |
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401 | $this->_ensureNameAttribute($matchingRuleUse); |
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402 | |
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403 | return $matchingRuleUse; |
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404 | } |
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405 | |
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406 | /** |
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407 | * Ensures that a name element is present and that it is single-values. |
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408 | * |
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409 | * @param array $data |
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410 | */ |
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411 | protected function _ensureNameAttribute(array &$data) |
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412 | { |
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413 | if (!array_key_exists('name', $data) || empty($data['name'])) { |
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414 | // force a name |
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415 | $data['name'] = $data['oid']; |
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416 | } |
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417 | if (is_array($data['name'])) { |
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418 | // make one name the default and put the other ones into aliases |
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419 | $aliases = $data['name']; |
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420 | $data['name'] = array_shift($aliases); |
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421 | $data['aliases'] = $aliases; |
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422 | } else { |
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423 | $data['aliases'] = array(); |
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424 | } |
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425 | } |
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426 | |
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427 | /** |
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428 | * Parse the given tokens into a data structure |
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429 | * |
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430 | * @param array $data |
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431 | * @param array $tokens |
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432 | * @return void |
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433 | */ |
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434 | protected function _parseLdapSchemaSyntax(array &$data, array $tokens) |
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435 | { |
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436 | // tokens that have no value associated |
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437 | $noValue = array('single-value', |
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438 | 'obsolete', |
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439 | 'collective', |
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440 | 'no-user-modification', |
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441 | 'abstract', |
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442 | 'structural', |
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443 | 'auxiliary'); |
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444 | // tokens that can have multiple values |
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445 | $multiValue = array('must', 'may', 'sup'); |
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446 | |
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447 | while (count($tokens) > 0) { |
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448 | $token = strtolower(array_shift($tokens)); |
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449 | if (in_array($token, $noValue)) { |
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450 | $data[$token] = true; // single value token |
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451 | } else { |
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452 | $data[$token] = array_shift($tokens); |
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453 | // this one follows a string or a list if it is multivalued |
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454 | if ($data[$token] == '(') { |
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455 | // this creates the list of values and cycles through the tokens |
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456 | // until the end of the list is reached ')' |
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457 | $data[$token] = array(); |
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458 | while ($tmp = array_shift($tokens)) { |
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459 | if ($tmp == ')') break; |
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460 | if ($tmp != '$') { |
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461 | $data[$token][] = Zend_Ldap_Attribute::convertFromLdapValue($tmp); |
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462 | } |
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463 | } |
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464 | } else { |
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465 | $data[$token] = Zend_Ldap_Attribute::convertFromLdapValue($data[$token]); |
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466 | } |
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467 | // create a array if the value should be multivalued but was not |
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468 | if (in_array($token, $multiValue) && !is_array($data[$token])) { |
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469 | $data[$token] = array($data[$token]); |
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470 | } |
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471 | } |
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472 | } |
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473 | } |
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474 | |
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475 | /** |
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476 | * Tokenizes the given value into an array |
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477 | * |
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478 | * @param string $value |
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479 | * @return array tokens |
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480 | */ |
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481 | protected function _tokenizeString($value) |
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482 | { |
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483 | $tokens = array(); |
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484 | $matches = array(); |
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485 | // this one is taken from PEAR::Net_LDAP2 |
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486 | $pattern = "/\s* (?:([()]) | ([^'\s()]+) | '((?:[^']+|'[^\s)])*)') \s*/x"; |
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487 | preg_match_all($pattern, $value, $matches); |
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488 | $cMatches = count($matches[0]); |
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489 | $cPattern = count($matches); |
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490 | for ($i = 0; $i < $cMatches; $i++) { // number of tokens (full pattern match) |
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491 | for ($j = 1; $j < $cPattern; $j++) { // each subpattern |
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492 | $tok = trim($matches[$j][$i]); |
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493 | if (!empty($tok)) { // pattern match in this subpattern |
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494 | $tokens[$i] = $tok; // this is the token |
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495 | } |
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496 | } |
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497 | } |
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498 | if ($tokens[0] == '(') array_shift($tokens); |
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499 | if ($tokens[count($tokens) - 1] == ')') array_pop($tokens); |
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500 | return $tokens; |
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501 | } |
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502 | } |
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