mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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ae7ab27d20
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@5156 3807eeeb-6ff5-0310-8944-8be069107fe0
596 lines
No EOL
14 KiB
PHP
596 lines
No EOL
14 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Access Control List factory class.
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*
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* Permissions system.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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* @since CakePHP(tm) v 0.10.0.1076
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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uses('model' . DS . 'db_acl');
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/**
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* Access Control List factory class.
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*
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* Looks for ACL implementation class in core config, and returns an instance of that class.
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*
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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*/
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class AclComponent extends Object {
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var $_instance = null;
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/**
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* Constructor. Will return an instance of the correct ACL class.
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*
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*/
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function __construct() {
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$this->getACL();
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}
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/**
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* Static function used to gain an instance of the correct ACL class.
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*
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* @return MyACL
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*/
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function &getACL() {
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if($this->_instance == null) {
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$classname = ACL_CLASSNAME;
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$this->_instance = new $classname;
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$this->_instance->initialize($this);
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}
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return $this->_instance;
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}
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/**
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* Empty class defintion, to be overridden in subclasses.
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*
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*/
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function _initACL() {
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}
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/**
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* Pass-thru function for ACL check instance.
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*
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* @param string $aro
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* @param string $aco
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* @param string $action : default = *
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* @return boolean
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*/
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function check($aro, $aco, $action = "*") {
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return $this->_instance->check($aro, $aco, $action);
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}
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/**
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* Pass-thru function for ACL allow instance.
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*
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* @param string $aro
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* @param string $aco
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* @param string $action : default = *
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* @return boolean
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*/
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function allow($aro, $aco, $action = "*") {
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return $this->_instance->allow($aro, $aco, $action);
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}
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/**
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* Pass-thru function for ACL deny instance.
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*
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* @param string $aro
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* @param string $aco
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* @param string $action : default = *
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* @return boolean
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*/
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function deny($aro, $aco, $action = "*") {
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return $this->_instance->deny($aro, $aco, $action);
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}
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/**
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* Pass-thru function for ACL inherit instance.
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*
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* @return boolean
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*/
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function inherit($aro, $aco, $action = "*") {
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return $this->_instance->inherit($aro, $aco, $action);
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}
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/**
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* Pass-thru function for ACL grant instance.
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*
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* @param string $aro
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* @param string $aco
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* @param string $action : default = *
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* @return boolean
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*/
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function grant($aro, $aco, $action = "*") {
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return $this->_instance->grant($aro, $aco, $action);
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}
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/**
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* Pass-thru function for ACL grant instance.
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*
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* @param string $aro
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* @param string $aco
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* @param string $action : default = *
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* @return boolean
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*/
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function revoke($aro, $aco, $action = "*") {
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return $this->_instance->revoke($aro, $aco, $action);
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}
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/**
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* Sets the current ARO instance to object from getAro
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*
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* @param string $id
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* @return boolean
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*/
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function setAro($id) {
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return $this->Aro = $this->_instance->getAro($id);
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}
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/**
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* Sets the current ACO instance to object from getAco
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*
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* @param string $id
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* @return boolean
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*/
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function setAco($id) {
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return $this->Aco = $this->_instance->getAco($id);
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}
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/**
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* Pass-thru function for ACL getAro instance
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* that gets an ARO object from the given id or alias
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*
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* @param string $id
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* @return Aro
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*/
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function getAro($id) {
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return $this->_instance->getAro($id);
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}
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/**
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* Pass-thru function for ACL getAco instance.
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* that gets an ACO object from the given id or alias
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*
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* @param string $id
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* @return Aco
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*/
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function getAco($id) {
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return $this->_instance->getAco($id);
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}
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}
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/**
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* Access Control List abstract class. Not to be instantiated.
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* Subclasses of this class are used by AclComponent to perform ACL checks in Cake.
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*
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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* @abstract
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*/
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class AclBase extends Object {
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/**
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* This class should never be instantiated, just subclassed.
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*
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* @return AclBase
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*/
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function __construct() {
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if (strcasecmp(get_class($this), "AclBase") == 0 || !is_subclass_of($this, "AclBase")) {
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trigger_error(__("[acl_base] The AclBase class constructor has been called, or the class was instantiated. This class must remain abstract. Please refer to the Cake docs for ACL configuration.", true), E_USER_ERROR);
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return NULL;
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}
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}
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/**
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* Empty method to be overridden in subclasses
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*
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* @param unknown_type $aro
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* @param unknown_type $aco
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* @param string $action
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*/
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function check($aro, $aco, $action = "*") {
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}
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/**
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* Empty method to be overridden in subclasses
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*
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* @param unknown_type $component
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*/
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function initialize(&$component) {
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}
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}
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/**
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* In this file you can extend the AclBase.
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*
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* @package cake
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* @subpackage cake.cake.libs.model
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*/
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class DB_ACL extends AclBase {
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/**
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* Enter description here...
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*
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*/
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function __construct() {
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parent::__construct();
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$this->Aro =& new Aro();
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$this->Aco =& new Aco();
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $aro
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* @param unknown_type $aco
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* @param unknown_type $action
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* @return unknown
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*/
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function initialize(&$component) {
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$component->Aro =& $this->Aro;
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$component->Aco =& $this->Aco;
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $aro
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* @param unknown_type $aco
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* @param unknown_type $action
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* @return unknown
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*/
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function check($aro, $aco, $action = "*") {
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if ($aro == null || $aco == null) {
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return false;
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}
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$permKeys = $this->_getAcoKeys($this->Aro->Permission->loadInfo());
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$aroPath = $this->Aro->node($aro);
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$acoPath = new Set($this->Aco->node($aco));
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if (empty($aroPath) || empty($acoPath)) {
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trigger_error("DB_ACL::check() - Failed ARO/ACO node lookup in permissions check. Node references:\nAro: " . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
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return false;
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}
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if ($acoPath->get() == null || $acoPath->get() == array()) {
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trigger_error("DB_ACL::check() - Failed ACO node lookup in permissions check. Node references:\nAro: " . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
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return false;
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}
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$aroNode = $aroPath[0];
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$acoNode = $acoPath->get();
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$acoNode = $acoNode[0];
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if ($action != '*' && !in_array('_' . $action, $permKeys)) {
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trigger_error(sprintf(__("ACO permissions key %s does not exist in DB_ACL::check()", true), $action), E_USER_NOTICE);
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return false;
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}
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for($i = count($aroPath) - 1; $i >= 0; $i--) {
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$perms = $this->Aro->Permission->findAll(
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array(
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'Permission.aro_id' => $aroPath[$i]['Aro']['id'],
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'Permission.aco_id' => $acoPath->extract('{n}.Aco.id')
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),
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null, array('Aco.lft' => 'desc'), null, null, 0
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);
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if (empty($perms)) {
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continue;
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} else {
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foreach(Set::extract($perms, '{n}.Permission') as $perm) {
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if ($action == '*') {
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// ARO must be cleared for ALL ACO actions
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foreach($permKeys as $key) {
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if (!empty($perm)) {
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if ($perm[$key] != 1) {
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return false;
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}
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}
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}
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return true;
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} else {
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switch($perm['_' . $action]) {
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case -1:
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return false;
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case 0:
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continue;
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break;
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case 1:
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return true;
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break;
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}
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}
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}
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}
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}
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return false;
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}
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/**
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* Allow
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*
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* @return boolean
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*/
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function allow($aro, $aco, $action = "*", $value = 1) {
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$perms = $this->getAclLink($aro, $aco);
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$permKeys = $this->_getAcoKeys($this->Aro->Permission->loadInfo());
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$save = array();
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if ($perms == false) {
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trigger_error(__('DB_ACL::allow() - Invalid node', true), E_USER_WARNING);
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return false;
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}
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if (isset($perms[0])) {
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$save = $perms[0]['Permission'];
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}
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if ($action == "*") {
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$permKeys = $this->_getAcoKeys($this->Aro->Permission->loadInfo());
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foreach($permKeys as $key) {
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$save[$key] = $value;
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}
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} else {
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if (in_array('_' . $action, $permKeys)) {
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$save['_' . $action] = $value;
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} else {
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trigger_error(__('DB_ACL::allow() - Invalid ACO action', true), E_USER_WARNING);
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return false;
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}
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}
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$save['aro_id'] = $perms['aro'];
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$save['aco_id'] = $perms['aco'];
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if ($perms['link'] != null && count($perms['link']) > 0) {
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$save['id'] = $perms['link'][0]['Permission']['id'];
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}
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return $this->Aro->Permission->save(array('Permission' => $save));
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}
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/**
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* Deny
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*
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* @return boolean
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*/
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function deny($aro, $aco, $action = "*") {
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return $this->allow($aro, $aco, $action, -1);
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}
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/**
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* Inherit
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*
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* @return boolean
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*/
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function inherit($aro, $aco, $action = "*") {
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return $this->allow($aro, $aco, $action, 0);
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}
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/**
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* Allow alias
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*
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* @return boolean
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*/
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function grant($aro, $aco, $action = "*") {
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return $this->allow($aro, $aco, $action);
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}
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/**
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* Deny alias
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*
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* @return boolean
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*/
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function revoke($aro, $aco, $action = "*") {
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return $this->deny($aro, $aco, $action);
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}
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/**
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* Private method
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*
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*/
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function &__getObject($id = null, $object) {
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if ($id == null) {
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trigger_error(__('Null id provided in DB_ACL::get', true) . $object, E_USER_WARNING);
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return null;
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}
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if (is_numeric($id)) {
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$conditions = array("{$object}.foreign_key" => $id);
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} else {
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$conditions = array("{$object}.alias" => $id);
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}
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$tmp = $this->{$object}->find($conditions);
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$this->{$object}->id = $tmp[$object]['id'];
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return $this->{$object};
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}
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/**
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* Get an array of access-control links between the given Aro and Aco
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*
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* @param mixed $aro
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* @param mixed $aco
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* @return array
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*/
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function getAclLink($aro, $aco) {
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$Link = new Permission();
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$obj = array();
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$obj['Aro'] = $this->Aro->node($aro);
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$obj['Aco'] = $this->Aco->node($aco);
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if (empty($obj['Aro']) || empty($obj['Aco'])) {
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return false;
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}
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return array(
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'aro' => Set::extract($obj, 'Aro.0.Aro.id'),
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'aco' => Set::extract($obj, 'Aco.0.Aco.id'),
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'link' => $this->Aro->Permission->findAll(array(
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'Permission.aro_id' => Set::extract($obj, 'Aro.0.Aro.id'),
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'Permission.aco_id' => Set::extract($obj, 'Aco.0.Aco.id')
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))
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);
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $keys
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* @return unknown
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*/
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function _getAcoKeys($keys) {
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$newKeys = array();
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$keys = $keys->extract('{n}.name');
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foreach($keys as $key) {
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if (!in_array($key, array('id', 'aro_id', 'aco_id'))) {
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$newKeys[] = $key;
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}
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}
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return $newKeys;
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}
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}
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/**
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* In this file you can extend the AclBase.
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*
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* @package cake
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* @subpackage cake.cake.libs.model.iniacl
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*/
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class INI_ACL extends AclBase {
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/**
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* Array with configuration, parsed from ini file
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*/
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var $config = null;
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/**
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* The constructor must be overridden, as AclBase is abstract.
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*
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*/
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function __construct() {
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}
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/**
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* Main ACL check function. Checks to see if the ARO (access request object) has access to the ACO (access control object).
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* Looks at the acl.ini.php file for permissions (see instructions in/config/acl.ini.php).
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*
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* @param string $aro
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* @param string $aco
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* @return boolean
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*/
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function check($aro, $aco, $aco_action = null) {
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if ($this->config == null) {
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$this->config = $this->readConfigFile(CONFIGS . 'acl.ini.php');
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}
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$aclConfig = $this->config;
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//First, if the user is specifically denied, then DENY
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if (isset($aclConfig[$aro]['deny'])) {
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$userDenies = $this->arrayTrim(explode(",", $aclConfig[$aro]['deny']));
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if (array_search($aco, $userDenies)) {
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//echo "User Denied!";
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return false;
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}
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}
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//Second, if the user is specifically allowed, then ALLOW
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if (isset($aclConfig[$aro]['allow'])) {
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$userAllows = $this->arrayTrim(explode(",", $aclConfig[$aro]['allow']));
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if (array_search($aco, $userAllows)) {
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//echo "User Allowed!";
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return true;
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}
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}
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//Check group permissions
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if (isset($aclConfig[$aro]['groups'])) {
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$userGroups = $this->arrayTrim(explode(",", $aclConfig[$aro]['groups']));
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foreach($userGroups as $group) {
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//If such a group exists,
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if (array_key_exists($group, $aclConfig)) {
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//If the group is specifically denied, then DENY
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if (isset($aclConfig[$group]['deny'])) {
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$groupDenies=$this->arrayTrim(explode(",", $aclConfig[$group]['deny']));
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if (array_search($aco, $groupDenies)) {
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//echo("Group Denied!");
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return false;
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}
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}
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//If the group is specifically allowed, then ALLOW
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if (isset($aclConfig[$group]['allow'])) {
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$groupAllows = $this->arrayTrim(explode(",", $aclConfig[$group]['allow']));
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if (array_search($aco, $groupAllows)) {
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//echo("Group Allowed!");
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return true;
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}
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}
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}
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}
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}
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//Default, DENY
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//echo("DEFAULT: DENY.");
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return false;
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}
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/**
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* Parses an INI file and returns an array that reflects the INI file's section structure. Double-quote friendly.
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*
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* @param string $fileName
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* @return array
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*/
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function readConfigFile($fileName) {
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$fileLineArray = file($fileName);
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foreach($fileLineArray as $fileLine) {
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$dataLine = trim($fileLine);
|
|
$firstChar = substr($dataLine, 0, 1);
|
|
|
|
if ($firstChar != ';' && $dataLine != '') {
|
|
if ($firstChar == '[' && substr($dataLine, -1, 1) == ']') {
|
|
$sectionName = preg_replace('/[\[\]]/', '', $dataLine);
|
|
} else {
|
|
$delimiter = strpos($dataLine, '=');
|
|
|
|
if ($delimiter > 0) {
|
|
$key = strtolower(trim(substr($dataLine, 0, $delimiter)));
|
|
$value = trim(substr($dataLine, $delimiter + 1));
|
|
|
|
if (substr($value, 0, 1) == '"' && substr($value, -1) == '"') {
|
|
$value = substr($value, 1, -1);
|
|
}
|
|
|
|
$iniSetting[$sectionName][$key]=stripcslashes($value);
|
|
} else {
|
|
if (!isset($sectionName)) {
|
|
$sectionName = '';
|
|
}
|
|
|
|
$iniSetting[$sectionName][strtolower(trim($dataLine))]='';
|
|
}
|
|
}
|
|
} else {
|
|
}
|
|
}
|
|
|
|
return $iniSetting;
|
|
}
|
|
/**
|
|
* Removes trailing spaces on all array elements (to prepare for searching)
|
|
*
|
|
* @param array $array
|
|
* @return array
|
|
*/
|
|
function arrayTrim($array) {
|
|
foreach($array as $element) {
|
|
$element = trim($element);
|
|
}
|
|
|
|
//Adding this element keeps array_search from returning 0:
|
|
//0 is the first key, which may be correct, but 0 is interpreted as false.
|
|
//Adding this element makes all the keys be positive integers.
|
|
array_unshift($array, "");
|
|
return $array;
|
|
}
|
|
}
|
|
|
|
?>
|