cake/libs/model/db_acl.php
| 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 | } |
| 333 | |
| 334 |
