Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

256 lines (228 sloc) 6.478 kb
<?php
/**
*
* PHP 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Model
* @since CakePHP(tm) v 0.2.9
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
App::uses('AppModel', 'Model');
/**
* Permissions linking AROs with ACOs
*
* @package Cake.Model
*/
class Permission extends AppModel {
/**
* Model name
*
* @var string
*/
public $name = 'Permission';
/**
* Explicitly disable in-memory query caching
*
* @var boolean
*/
public $cacheQueries = false;
/**
* Override default table name
*
* @var string
*/
public $useTable = 'aros_acos';
/**
* Permissions link AROs with ACOs
*
* @var array
*/
public $belongsTo = array('Aro', 'Aco');
/**
* No behaviors for this model
*
* @var array
*/
public $actsAs = null;
/**
* Constructor, used to tell this model to use the
* database configured for ACL
*/
public function __construct() {
$config = Configure::read('Acl.database');
if (!empty($config)) {
$this->useDbConfig = $config;
}
parent::__construct();
}
/**
* Checks if the given $aro has access to action $action in $aco
*
* @param string $aro ARO The requesting object identifier.
* @param string $aco ACO The controlled object identifier.
* @param string $action Action (defaults to *)
* @return boolean Success (true if ARO has access to action in ACO, false otherwise)
*/
public function check($aro, $aco, $action = "*") {
if (!$aro || !$aco) {
return false;
}
$permKeys = $this->getAcoKeys($this->schema());
$aroPath = $this->Aro->node($aro);
$acoPath = $this->Aco->node($aco);
if (!$aroPath || !$acoPath) {
trigger_error(__d('cake_dev', "DbAcl::check() - Failed ARO/ACO node lookup in permissions check. Node references:\nAro: ") . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
return false;
}
if (!$acoPath) {
trigger_error(__d('cake_dev', "DbAcl::check() - Failed ACO node lookup in permissions check. Node references:\nAro: ") . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
return false;
}
if ($action != '*' && !in_array('_' . $action, $permKeys)) {
trigger_error(__d('cake_dev', "ACO permissions key %s does not exist in DbAcl::check()", $action), E_USER_NOTICE);
return false;
}
$inherited = array();
$acoIDs = Hash::extract($acoPath, '{n}.' . $this->Aco->alias . '.id');
$count = count($aroPath);
for ($i = 0; $i < $count; $i++) {
$permAlias = $this->alias;
$perms = $this->find('all', array(
'conditions' => array(
"{$permAlias}.aro_id" => $aroPath[$i][$this->Aro->alias]['id'],
"{$permAlias}.aco_id" => $acoIDs
),
'order' => array($this->Aco->alias . '.lft' => 'desc'),
'recursive' => 0
));
if (empty($perms)) {
continue;
} else {
$perms = Hash::extract($perms, '{n}.' . $this->alias);
foreach ($perms as $perm) {
if ($action == '*') {
foreach ($permKeys as $key) {
if (!empty($perm)) {
if ($perm[$key] == -1) {
return false;
} elseif ($perm[$key] == 1) {
$inherited[$key] = 1;
}
}
}
if (count($inherited) === count($permKeys)) {
return true;
}
} else {
switch ($perm['_' . $action]) {
case -1:
return false;
case 0:
continue;
case 1:
return true;
}
}
}
}
}
return false;
}
/**
* Allow $aro to have access to action $actions in $aco
*
* @param string $aro ARO The requesting object identifier.
* @param string $aco ACO The controlled object identifier.
* @param string $actions Action (defaults to *)
* @param integer $value Value to indicate access type (1 to give access, -1 to deny, 0 to inherit)
* @return boolean Success
*/
public function allow($aro, $aco, $actions = "*", $value = 1) {
$perms = $this->getAclLink($aro, $aco);
$permKeys = $this->getAcoKeys($this->schema());
$save = array();
if (!$perms) {
trigger_error(__d('cake_dev', 'DbAcl::allow() - Invalid node'), E_USER_WARNING);
return false;
}
if (isset($perms[0])) {
$save = $perms[0][$this->alias];
}
if ($actions == "*") {
$save = array_combine($permKeys, array_pad(array(), count($permKeys), $value));
} else {
if (!is_array($actions)) {
$actions = array('_' . $actions);
}
if (is_array($actions)) {
foreach ($actions as $action) {
if ($action{0} != '_') {
$action = '_' . $action;
}
if (in_array($action, $permKeys)) {
$save[$action] = $value;
}
}
}
}
list($save['aro_id'], $save['aco_id']) = array($perms['aro'], $perms['aco']);
if ($perms['link'] && !empty($perms['link'])) {
$save['id'] = $perms['link'][0][$this->alias]['id'];
} else {
unset($save['id']);
$this->id = null;
}
return ($this->save($save) !== false);
}
/**
* Get an array of access-control links between the given Aro and Aco
*
* @param string $aro ARO The requesting object identifier.
* @param string $aco ACO The controlled object identifier.
* @return array Indexed array with: 'aro', 'aco' and 'link'
*/
public function getAclLink($aro, $aco) {
$obj = array();
$obj['Aro'] = $this->Aro->node($aro);
$obj['Aco'] = $this->Aco->node($aco);
if (empty($obj['Aro']) || empty($obj['Aco'])) {
return false;
}
$aro = Hash::extract($obj, 'Aro.0.' . $this->Aro->alias . '.id');
$aco = Hash::extract($obj, 'Aco.0.' . $this->Aco->alias . '.id');
$aro = current($aro);
$aco = current($aco);
return array(
'aro' => $aro,
'aco' => $aco,
'link' => $this->find('all', array('conditions' => array(
$this->alias . '.aro_id' => $aro,
$this->alias . '.aco_id' => $aco
)))
);
}
/**
* Get the crud type keys
*
* @param array $keys Permission schema
* @return array permission keys
*/
public function getAcoKeys($keys) {
$newKeys = array();
$keys = array_keys($keys);
foreach ($keys as $key) {
if (!in_array($key, array('id', 'aro_id', 'aco_id'))) {
$newKeys[] = $key;
}
}
return $newKeys;
}
}
Jump to Line
Something went wrong with that request. Please try again.