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comparison cake/libs/model/db_acl.php @ 0:261e66bd5a0c

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author Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp>
date Sun, 24 Jul 2011 21:08:31 +0900
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1 <?php
2 /**
3 * This is core configuration file.
4 *
5 * Use it to configure core behaviour ofCake.
6 *
7 * PHP versions 4 and 5
8 *
9 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
10 * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
11 *
12 * Licensed under The MIT License
13 * Redistributions of files must retain the above copyright notice.
14 *
15 * @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
16 * @link http://cakephp.org CakePHP(tm) Project
17 * @package cake
18 * @subpackage cake.cake.libs.model
19 * @since CakePHP(tm) v 0.2.9
20 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
21 */
22
23 /**
24 * Load Model and AppModel
25 */
26 App::import('Model', 'App');
27
28 /**
29 * ACL Node
30 *
31 *
32 * @package cake
33 * @subpackage cake.cake.libs.model
34 */
35 class AclNode extends AppModel {
36
37 /**
38 * Explicitly disable in-memory query caching for ACL models
39 *
40 * @var boolean
41 * @access public
42 */
43 var $cacheQueries = false;
44
45 /**
46 * ACL models use the Tree behavior
47 *
48 * @var array
49 * @access public
50 */
51 var $actsAs = array('Tree' => 'nested');
52
53 /**
54 * Constructor
55 *
56 */
57 function __construct() {
58 $config = Configure::read('Acl.database');
59 if (isset($config)) {
60 $this->useDbConfig = $config;
61 }
62 parent::__construct();
63 }
64
65 /**
66 * Retrieves the Aro/Aco node for this model
67 *
68 * @param mixed $ref Array with 'model' and 'foreign_key', model object, or string value
69 * @return array Node found in database
70 * @access public
71 */
72 function node($ref = null) {
73 $db =& ConnectionManager::getDataSource($this->useDbConfig);
74 $type = $this->alias;
75 $result = null;
76
77 if (!empty($this->useTable)) {
78 $table = $this->useTable;
79 } else {
80 $table = Inflector::pluralize(Inflector::underscore($type));
81 }
82
83 if (empty($ref)) {
84 return null;
85 } elseif (is_string($ref)) {
86 $path = explode('/', $ref);
87 $start = $path[0];
88 unset($path[0]);
89
90 $queryData = array(
91 'conditions' => array(
92 $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"),
93 $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght")),
94 'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'),
95 'joins' => array(array(
96 'table' => $db->fullTableName($this),
97 'alias' => "{$type}0",
98 'type' => 'LEFT',
99 'conditions' => array("{$type}0.alias" => $start)
100 )),
101 'order' => $db->name("{$type}.lft") . ' DESC'
102 );
103
104 foreach ($path as $i => $alias) {
105 $j = $i - 1;
106
107 $queryData['joins'][] = array(
108 'table' => $db->fullTableName($this),
109 'alias' => "{$type}{$i}",
110 'type' => 'LEFT',
111 'conditions' => array(
112 $db->name("{$type}{$i}.lft") . ' > ' . $db->name("{$type}{$j}.lft"),
113 $db->name("{$type}{$i}.rght") . ' < ' . $db->name("{$type}{$j}.rght"),
114 $db->name("{$type}{$i}.alias") . ' = ' . $db->value($alias, 'string'),
115 $db->name("{$type}{$j}.id") . ' = ' . $db->name("{$type}{$i}.parent_id")
116 )
117 );
118
119 $queryData['conditions'] = array('or' => array(
120 $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght"),
121 $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}{$i}.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}{$i}.rght"))
122 );
123 }
124 $result = $db->read($this, $queryData, -1);
125 $path = array_values($path);
126
127 if (
128 !isset($result[0][$type]) ||
129 (!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(sprintf(__("Model class '%s' not found in AclNode::node() when trying to bind %s object", true), $type, $this->alias), 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(sprintf(__("AclNode::node() - Couldn't find %s node identified by \"%s\"", true), $type, print_r($ref, true)), E_USER_WARNING);
192 }
193 }
194 return $result;
195 }
196 }
197
198 /**
199 * Access Control Object
200 *
201 * @package cake
202 * @subpackage cake.cake.libs.model
203 */
204 class Aco extends AclNode {
205
206 /**
207 * Model name
208 *
209 * @var string
210 * @access public
211 */
212 var $name = 'Aco';
213
214 /**
215 * Binds to ARO nodes through permissions settings
216 *
217 * @var array
218 * @access public
219 */
220 var $hasAndBelongsToMany = array('Aro' => array('with' => 'Permission'));
221 }
222
223 /**
224 * Action for Access Control Object
225 *
226 * @package cake
227 * @subpackage cake.cake.libs.model
228 */
229 class AcoAction extends AppModel {
230
231 /**
232 * Model name
233 *
234 * @var string
235 * @access public
236 */
237 var $name = 'AcoAction';
238
239 /**
240 * ACO Actions belong to ACOs
241 *
242 * @var array
243 * @access public
244 */
245 var $belongsTo = array('Aco');
246 }
247
248 /**
249 * Access Request Object
250 *
251 * @package cake
252 * @subpackage cake.cake.libs.model
253 */
254 class Aro extends AclNode {
255
256 /**
257 * Model name
258 *
259 * @var string
260 * @access public
261 */
262 var $name = 'Aro';
263
264 /**
265 * AROs are linked to ACOs by means of Permission
266 *
267 * @var array
268 * @access public
269 */
270 var $hasAndBelongsToMany = array('Aco' => array('with' => 'Permission'));
271 }
272
273 /**
274 * Permissions linking AROs with ACOs
275 *
276 * @package cake
277 * @subpackage cake.cake.libs.model
278 */
279 class Permission extends AppModel {
280
281 /**
282 * Model name
283 *
284 * @var string
285 * @access public
286 */
287 var $name = 'Permission';
288
289 /**
290 * Explicitly disable in-memory query caching
291 *
292 * @var boolean
293 * @access public
294 */
295 var $cacheQueries = false;
296
297 /**
298 * Override default table name
299 *
300 * @var string
301 * @access public
302 */
303 var $useTable = 'aros_acos';
304
305 /**
306 * Permissions link AROs with ACOs
307 *
308 * @var array
309 * @access public
310 */
311 var $belongsTo = array('Aro', 'Aco');
312
313 /**
314 * No behaviors for this model
315 *
316 * @var array
317 * @access public
318 */
319 var $actsAs = null;
320
321 /**
322 * Constructor, used to tell this model to use the
323 * database configured for ACL
324 */
325 function __construct() {
326 $config = Configure::read('Acl.database');
327 if (!empty($config)) {
328 $this->useDbConfig = $config;
329 }
330 parent::__construct();
331 }
332 }