pictcode / lib / Cake / Controller / Component / Acl / IniAcl.php @ 48ae03cf
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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 | } |