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1 lars 1 
<?php
2 
/* SVN FILE: $Id: db_acl.php 8004 2009-01-16 20:15:21Z gwoo $ */
3 
/**
4 
 * This is core configuration file.
5 
 *
6 
 * Use it to configure core behaviour ofCake.
7 
 *
8 
 * PHP versions 4 and 5
9 
 *
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 * CakePHP(tm) :  Rapid Development Framework (http://www.cakephp.org)
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 * Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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 *
13 
 * 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 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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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.model
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 * @since         CakePHP(tm) v 0.2.9
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 * @version       $Revision: 8004 $
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 * @modifiedby    $LastChangedBy: gwoo $
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 * @lastmodified  $Date: 2009-01-16 12:15:21 -0800 (Fri, 16 Jan 2009) $
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 * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
26 
 */
27 
/**
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 * Load Model and AppModel
29 
 */
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App::import('Model', 'App');
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/**
32 
 * Short description for file.
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 *
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 * Long description for file
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 *
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 *
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 * @package       cake
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 * @subpackage    cake.cake.libs.model
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 */
40 
class AclNode extends AppModel {
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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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 * @access public
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 */
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	var $cacheQueries = false;
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/**
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 * ACL models use the Tree behavior
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 *
51 
 * @var array
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 * @access public
53 
 */
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	var $actsAs = array('Tree' => 'nested');
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/**
56 
 * Constructor
57 
 *
58 
 */
59 
	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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/**
67 
 * Retrieves the Aro/Aco node for this model
68 
 *
69 
 * @param mixed $ref Array with 'model' and 'foreign_key', model object, or string value
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 * @return array Node found in database
71 
 * @access public
72 
 */
73 
	function node($ref = null) {
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		$db =& ConnectionManager::getDataSource($this->useDbConfig);
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		$type = $this->alias;
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		$result = null;
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78 
		if (!empty($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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84 
		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' => $db->fullTableName($this),
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					'alias' => "{$type}0",
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					'type' => 'LEFT',
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					'conditions' => array("{$type}0.alias" => $start)
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				)),
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				'order' => $db->name("{$type}.lft") . ' DESC'
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			);
104 
 
105 
			foreach ($path as $i => $alias) {
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				$j = $i - 1;
107 
 
108 
				$queryData['joins'][] = array(
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					'table' => $db->fullTableName($this),
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					'alias' => "{$type}{$i}",
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					'type'  => 'LEFT',
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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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					)
117 
				);
118 
 
119 
				$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"))
122 
				);
123 
			}
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			$result = $db->read($this, $queryData, -1);
125 
			$path = array_values($path);
126 
 
127 
			if (
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				!isset($result[0][$type]) ||
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				(!empty($path) && $result[0][$type]['alias'] != $path[count($path) - 1]) ||
130 
				(empty($path) && $result[0][$type]['alias'] != $start)
131 
			) {
132 
				return false;
133 
			}
134 
		} elseif (is_object($ref) && is_a($ref, 'Model')) {
135 
			$ref = array('model' => $ref->alias, 'foreign_key' => $ref->id);
136 
		} elseif (is_array($ref) && !(isset($ref['model']) && isset($ref['foreign_key']))) {
137 
			$name = key($ref);
138 
 
139 
			if (PHP5) {
140 
				$model = ClassRegistry::init(array('class' => $name, 'alias' => $name));
141 
			} else {
142 
				$model =& ClassRegistry::init(array('class' => $name, 'alias' => $name));
143 
			}
144 
 
145 
			if (empty($model)) {
146 
				trigger_error("Model class '$name' not found in AclNode::node() when trying to bind {$this->alias} object", E_USER_WARNING);
147 
				return null;
148 
			}
149 
 
150 
			$tmpRef = null;
151 
			if (method_exists($model, 'bindNode')) {
152 
				$tmpRef = $model->bindNode($ref);
153 
			}
154 
			if (empty($tmpRef)) {
155 
				$ref = array('model' => $name, 'foreign_key' => $ref[$name][$model->primaryKey]);
156 
			} else {
157 
				if (is_string($tmpRef)) {
158 
					return $this->node($tmpRef);
159 
				}
160 
				$ref = $tmpRef;
161 
			}
162 
		}
163 
		if (is_array($ref)) {
164 
			if (is_array(current($ref)) && is_string(key($ref))) {
165 
				$name = key($ref);
166 
				$ref = current($ref);
167 
			}
168 
			foreach ($ref as $key => $val) {
169 
				if (strpos($key, $type) !== 0 && strpos($key, '.') === false) {
170 
					unset($ref[$key]);
171 
					$ref["{$type}0.{$key}"] = $val;
172 
				}
173 
			}
174 
			$queryData = array(
175 
				'conditions' => $ref,
176 
				'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'),
177 
				'joins' => array(array(
178 
					'table' => $db->fullTableName($this),
179 
					'alias' => "{$type}0",
180 
					'type' => 'LEFT',
181 
					'conditions' => array(
182 
						$db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"),
183 
						$db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght")
184 
					)
185 
				)),
186 
				'order' => $db->name("{$type}.lft") . ' DESC'
187 
			);
188 
			$result = $db->read($this, $queryData, -1);
189 
 
190 
			if (!$result) {
191 
				trigger_error("AclNode::node() - Couldn't find {$type} node identified by \"" . print_r($ref, true) . "\"", E_USER_WARNING);
192 
			}
193 
		}
194 
		return $result;
195 
	}
196 
}
197 
/**
198 
 * Access Control Object
199 
 *
200 
 * @package       cake
201 
 * @subpackage    cake.cake.libs.model
202 
 */
203 
class Aco extends AclNode {
204 
/**
205 
 * Model name
206 
 *
207 
 * @var string
208 
 * @access public
209 
 */
210 
	var $name = 'Aco';
211 
/**
212 
 * Binds to ARO nodes through permissions settings
213 
 *
214 
 * @var array
215 
 * @access public
216 
 */
217 
	var $hasAndBelongsToMany = array('Aro' => array('with' => 'Permission'));
218 
}
219 
/**
220 
 * Action for Access Control Object
221 
 *
222 
 * @package       cake
223 
 * @subpackage    cake.cake.libs.model
224 
 */
225 
class AcoAction extends AppModel {
226 
/**
227 
 * Model name
228 
 *
229 
 * @var string
230 
 * @access public
231 
 */
232 
	var $name = 'AcoAction';
233 
/**
234 
 * ACO Actions belong to ACOs
235 
 *
236 
 * @var array
237 
 * @access public
238 
 */
239 
	var $belongsTo = array('Aco');
240 
}
241 
/**
242 
 * Access Request Object
243 
 *
244 
 * @package       cake
245 
 * @subpackage    cake.cake.libs.model
246 
 */
247 
class Aro extends AclNode {
248 
/**
249 
 * Model name
250 
 *
251 
 * @var string
252 
 * @access public
253 
 */
254 
	var $name = 'Aro';
255 
/**
256 
 * AROs are linked to ACOs by means of Permission
257 
 *
258 
 * @var array
259 
 * @access public
260 
 */
261 
	var $hasAndBelongsToMany = array('Aco' => array('with' => 'Permission'));
262 
}
263 
/**
264 
 * Permissions linking AROs with ACOs
265 
 *
266 
 * @package       cake
267 
 * @subpackage    cake.cake.libs.model
268 
 */
269 
class Permission extends AppModel {
270 
/**
271 
 * Model name
272 
 *
273 
 * @var string
274 
 * @access public
275 
 */
276 
	var $name = 'Permission';
277 
/**
278 
 * Explicitly disable in-memory query caching
279 
 *
280 
 * @var boolean
281 
 * @access public
282 
 */
283 
	var $cacheQueries = false;
284 
/**
285 
 * Override default table name
286 
 *
287 
 * @var string
288 
 * @access public
289 
 */
290 
	var $useTable = 'aros_acos';
291 
/**
292 
 * Permissions link AROs with ACOs
293 
 *
294 
 * @var array
295 
 * @access public
296 
 */
297 
	var $belongsTo = array('Aro', 'Aco');
298 
/**
299 
 * No behaviors for this model
300 
 *
301 
 * @var array
302 
 * @access public
303 
 */
304 
	var $actsAs = null;
305 
/**
306 
 * Constructor, used to tell this model to use the
307 
 * database configured for ACL
308 
 */
309 
	function __construct() {
310 
		$config = Configure::read('Acl.database');
311 
		if (!empty($config)) {
312 
			$this->useDbConfig = $config;
313 
		}
314 
		parent::__construct();
315 
	}
316 
}
317 
?>