pictcode / lib / Cake / Model / AclNode.php @ 0b1b8047
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<?php
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/**
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Model
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* @since CakePHP(tm) v 0.2.9
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('Model', 'Model'); |
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/**
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* ACL Node
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*
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* @package Cake.Model
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*/
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class AclNode extends Model { |
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/**
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* Explicitly disable in-memory query caching for ACL models
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*
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* @var bool
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*/
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public $cacheQueries = false; |
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/**
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* ACL models use the Tree behavior
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*
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* @var array
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*/
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public $actsAs = array('Tree' => array('type' => 'nested')); |
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/**
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* Constructor
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*/
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public function __construct() { |
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$config = Configure::read('Acl.database'); |
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if (isset($config)) { |
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$this->useDbConfig = $config; |
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} |
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parent::__construct();
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} |
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/**
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* Retrieves the Aro/Aco node for this model
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*
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* @param string|array|Model $ref Array with 'model' and 'foreign_key', model object, or string value
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* @return array Node found in database
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* @throws CakeException when binding to a model that doesn't exist.
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*/
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public function node($ref = null) { |
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$db = $this->getDataSource(); |
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$type = $this->alias; |
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$result = null; |
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if (!empty($this->useTable)) { |
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$table = $this->useTable; |
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} else {
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$table = Inflector::pluralize(Inflector::underscore($type)); |
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} |
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if (empty($ref)) { |
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return null; |
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} elseif (is_string($ref)) { |
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$path = explode('/', $ref); |
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$start = $path[0]; |
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unset($path[0]); |
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$queryData = array( |
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'conditions' => array( |
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$db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"), |
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$db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght")), |
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'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'), |
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'joins' => array(array( |
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'table' => $table, |
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'alias' => "{$type}0", |
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'type' => 'INNER', |
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'conditions' => array("{$type}0.alias" => $start) |
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)), |
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'order' => $db->name("{$type}.lft") . ' DESC' |
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); |
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$conditionsAfterJoin = array(); |
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foreach ($path as $i => $alias) { |
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$j = $i - 1; |
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$queryData['joins'][] = array( |
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'table' => $table, |
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'alias' => "{$type}{$i}", |
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'type' => 'INNER', |
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'conditions' => array( |
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$db->name("{$type}{$i}.alias") . ' = ' . $db->value($alias, 'string') |
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) |
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); |
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// it will be better if this conditions will performs after join operation
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$conditionsAfterJoin[] = $db->name("{$type}{$j}.id") . ' = ' . $db->name("{$type}{$i}.parent_id"); |
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$conditionsAfterJoin[] = $db->name("{$type}{$i}.rght") . ' < ' . $db->name("{$type}{$j}.rght"); |
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$conditionsAfterJoin[] = $db->name("{$type}{$i}.lft") . ' > ' . $db->name("{$type}{$j}.lft"); |
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$queryData['conditions'] = array('or' => array( |
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$db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght"), |
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$db->name("{$type}.lft") . ' <= ' . $db->name("{$type}{$i}.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}{$i}.rght")) |
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); |
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} |
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$queryData['conditions'] = array_merge($queryData['conditions'], $conditionsAfterJoin); |
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$result = $db->read($this, $queryData, -1); |
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$path = array_values($path); |
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if (!isset($result[0][$type]) || |
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(!empty($path) && $result[0][$type]['alias'] != $path[count($path) - 1]) || |
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(empty($path) && $result[0][$type]['alias'] != $start) |
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) {
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return false; |
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} |
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} elseif (is_object($ref) && $ref instanceof Model) { |
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$ref = array('model' => $ref->name, 'foreign_key' => $ref->id); |
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} elseif (is_array($ref) && !(isset($ref['model']) && isset($ref['foreign_key']))) { |
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$name = key($ref); |
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list(, $alias) = pluginSplit($name); |
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$model = ClassRegistry::init(array('class' => $name, 'alias' => $alias)); |
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if (empty($model)) { |
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throw new CakeException('cake_dev', "Model class '%s' not found in AclNode::node() when trying to bind %s object", $type, $this->alias); |
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} |
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$tmpRef = null; |
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if (method_exists($model, 'bindNode')) { |
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$tmpRef = $model->bindNode($ref); |
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} |
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if (empty($tmpRef)) { |
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$ref = array('model' => $alias, 'foreign_key' => $ref[$name][$model->primaryKey]); |
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} else {
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if (is_string($tmpRef)) { |
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return $this->node($tmpRef); |
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} |
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$ref = $tmpRef; |
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} |
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} |
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if (is_array($ref)) { |
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if (is_array(current($ref)) && is_string(key($ref))) { |
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$name = key($ref); |
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$ref = current($ref); |
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} |
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foreach ($ref as $key => $val) { |
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if (strpos($key, $type) !== 0 && strpos($key, '.') === false) { |
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unset($ref[$key]); |
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$ref["{$type}0.{$key}"] = $val; |
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} |
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} |
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$queryData = array( |
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'conditions' => $ref, |
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'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'), |
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'joins' => array(array( |
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'table' => $table, |
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'alias' => "{$type}0", |
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'type' => 'INNER', |
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'conditions' => array( |
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$db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"), |
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$db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght") |
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) |
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)), |
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'order' => $db->name("{$type}.lft") . ' DESC' |
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); |
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$result = $db->read($this, $queryData, -1); |
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if (!$result) { |
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throw new CakeException(__d('cake_dev', "AclNode::node() - Couldn't find %s node identified by \"%s\"", $type, print_r($ref, true))); |
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} |
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} |
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return $result; |
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} |
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} |