pictcode / lib / Cake / Controller / Component / Acl / IniAcl.php @ 635eef61
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1 | 635eef61 | spyder1211 | <?php
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2 | /**
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3 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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4 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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5 | *
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6 | * Licensed under The MIT License
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7 | * For full copyright and license information, please see the LICENSE.txt
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8 | * Redistributions of files must retain the above copyright notice.
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9 | *
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10 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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11 | * @link http://cakephp.org CakePHP(tm) Project
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12 | * @package Cake.Controller.Component.Acl
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13 | * @since CakePHP(tm) v 0.10.0.1076
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14 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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15 | */
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16 | |||
17 | App::uses('AclInterface', 'Controller/Component/Acl'); |
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18 | |||
19 | /**
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20 | * IniAcl implements an access control system using an INI file. An example
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21 | * of the ini file used can be found in /config/acl.ini.php.
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22 | *
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23 | * @package Cake.Controller.Component.Acl
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24 | */
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25 | class IniAcl extends Object implements AclInterface { |
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26 | |||
27 | /**
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28 | * Array with configuration, parsed from ini file
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29 | *
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30 | * @var array
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31 | */
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32 | public $config = null; |
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33 | |||
34 | /**
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35 | * The Hash::extract() path to the user/aro identifier in the
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36 | * acl.ini file. This path will be used to extract the string
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37 | * representation of a user used in the ini file.
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38 | *
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39 | * @var string
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40 | */
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41 | public $userPath = 'User.username'; |
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42 | |||
43 | /**
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44 | * Initialize method
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45 | *
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46 | * @param Component $component The AclComponent instance.
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47 | * @return void
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48 | */
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49 | public function initialize(Component $component) { |
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50 | } |
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51 | |||
52 | /**
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53 | * No op method, allow cannot be done with IniAcl
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54 | *
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55 | * @param string $aro ARO The requesting object identifier.
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56 | * @param string $aco ACO The controlled object identifier.
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57 | * @param string $action Action (defaults to *)
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58 | * @return bool Success
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59 | */
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60 | public function allow($aro, $aco, $action = "*") { |
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61 | } |
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62 | |||
63 | /**
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64 | * No op method, deny cannot be done with IniAcl
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65 | *
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66 | * @param string $aro ARO The requesting object identifier.
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67 | * @param string $aco ACO The controlled object identifier.
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68 | * @param string $action Action (defaults to *)
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69 | * @return bool Success
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70 | */
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71 | public function deny($aro, $aco, $action = "*") { |
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72 | } |
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73 | |||
74 | /**
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75 | * No op method, inherit cannot be done with IniAcl
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76 | *
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77 | * @param string $aro ARO The requesting object identifier.
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78 | * @param string $aco ACO The controlled object identifier.
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79 | * @param string $action Action (defaults to *)
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80 | * @return bool Success
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81 | */
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82 | public function inherit($aro, $aco, $action = "*") { |
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83 | } |
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84 | |||
85 | /**
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86 | * Main ACL check function. Checks to see if the ARO (access request object) has access to the
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87 | * ACO (access control object).Looks at the acl.ini.php file for permissions
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88 | * (see instructions in /config/acl.ini.php).
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89 | *
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90 | * @param string $aro ARO
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91 | * @param string $aco ACO
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92 | * @param string $action Action
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93 | * @return bool Success
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94 | */
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95 | public function check($aro, $aco, $action = null) { |
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96 | if (!$this->config) { |
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97 | $this->config = $this->readConfigFile(APP . 'Config' . DS . 'acl.ini.php'); |
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98 | } |
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99 | $aclConfig = $this->config; |
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100 | |||
101 | if (is_array($aro)) { |
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102 | $aro = Hash::get($aro, $this->userPath); |
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103 | } |
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104 | |||
105 | if (isset($aclConfig[$aro]['deny'])) { |
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106 | $userDenies = $this->arrayTrim(explode(",", $aclConfig[$aro]['deny'])); |
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107 | |||
108 | if (array_search($aco, $userDenies)) { |
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109 | return false; |
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110 | } |
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111 | } |
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112 | |||
113 | if (isset($aclConfig[$aro]['allow'])) { |
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114 | $userAllows = $this->arrayTrim(explode(",", $aclConfig[$aro]['allow'])); |
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115 | |||
116 | if (array_search($aco, $userAllows)) { |
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117 | return true; |
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118 | } |
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119 | } |
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120 | |||
121 | if (isset($aclConfig[$aro]['groups'])) { |
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122 | $userGroups = $this->arrayTrim(explode(",", $aclConfig[$aro]['groups'])); |
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123 | |||
124 | foreach ($userGroups as $group) { |
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125 | if (array_key_exists($group, $aclConfig)) { |
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126 | if (isset($aclConfig[$group]['deny'])) { |
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127 | $groupDenies = $this->arrayTrim(explode(",", $aclConfig[$group]['deny'])); |
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128 | |||
129 | if (array_search($aco, $groupDenies)) { |
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130 | return false; |
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131 | } |
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132 | } |
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133 | |||
134 | if (isset($aclConfig[$group]['allow'])) { |
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135 | $groupAllows = $this->arrayTrim(explode(",", $aclConfig[$group]['allow'])); |
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136 | |||
137 | if (array_search($aco, $groupAllows)) { |
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138 | return true; |
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139 | } |
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140 | } |
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141 | } |
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142 | } |
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143 | } |
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144 | return false; |
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145 | } |
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146 | |||
147 | /**
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148 | * Parses an INI file and returns an array that reflects the
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149 | * INI file's section structure. Double-quote friendly.
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150 | *
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151 | * @param string $filename File
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152 | * @return array INI section structure
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153 | */
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154 | public function readConfigFile($filename) { |
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155 | App::uses('IniReader', 'Configure'); |
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156 | $iniFile = new IniReader(dirname($filename) . DS); |
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157 | return $iniFile->read(basename($filename)); |
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158 | } |
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159 | |||
160 | /**
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161 | * Removes trailing spaces on all array elements (to prepare for searching)
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162 | *
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163 | * @param array $array Array to trim
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164 | * @return array Trimmed array
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165 | */
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166 | public function arrayTrim($array) { |
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167 | foreach ($array as $key => $value) { |
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168 | $array[$key] = trim($value); |
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169 | } |
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170 | array_unshift($array, ""); |
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171 | return $array; |
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172 | } |
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173 | |||
174 | } |