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anikendra |
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<?php
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/**
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*
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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 boolean
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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 $actsAs = array('Tree' => array('type' => 'nested'));
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/**
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* Constructor
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*
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*/
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public function __construct() {
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$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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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}.lft") . ' > ' . $db->name("{$type}{$j}.lft"),
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$db->name("{$type}{$i}.rght") . ' < ' . $db->name("{$type}{$j}.rght"),
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$db->name("{$type}{$i}.alias") . ' = ' . $db->value($alias, 'string'),
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$db->name("{$type}{$j}.id") . ' = ' . $db->name("{$type}{$i}.parent_id")
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)
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);
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$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}{$i}.rght"))
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);
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}
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$result = $db->read($this, $queryData, -1);
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$path = array_values($path);
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if (
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!isset($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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}
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