Alexander Kochetov
12 years ago
8 changed files with 993 additions and 674 deletions
@ -0,0 +1,492 @@
|
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\rbac; |
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|
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use Yii; |
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use yii\base\Exception; |
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|
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/** |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Alexander Kochetov <creocoder@gmail.com> |
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* @since 2.0 |
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*/ |
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class PhpManager extends Manager |
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{ |
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/** |
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* @var string the path of the PHP script that contains the authorization data. |
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* If not set, it will be using 'protected/data/auth.php' as the data file. |
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* Make sure this file is writable by the Web server process if the authorization |
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* needs to be changed. |
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* @see loadFromFile |
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* @see saveToFile |
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*/ |
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public $authFile; |
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private $_items = array(); // itemName => item |
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private $_children = array(); // itemName, childName => child |
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private $_assignments = array(); // userId, itemName => assignment |
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/** |
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* Initializes the application component. |
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* This method overrides parent implementation by loading the authorization data |
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* from PHP script. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if ($this->authFile === null) { |
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$this->authFile = Yii::getAlias('@app/data/rbac') . '.php'; |
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} |
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$this->load(); |
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} |
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/** |
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* Performs access check for the specified user. |
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* @param mixed $userId the user ID. This can be either an integer or a string representing |
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* @param string $itemName the name of the operation that need access check |
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* the unique identifier of a user. See [[User::id]]. |
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* @param array $params name-value pairs that would be passed to biz rules associated |
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* with the tasks and roles assigned to the user. |
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* Since version 1.1.11 a param with name 'userId' is added to this array, which holds the value of <code>$userId</code>. |
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* @return boolean whether the operations can be performed by the user. |
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*/ |
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public function checkAccess($userId, $itemName, $params = array()) |
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{ |
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if (!isset($this->_items[$itemName])) { |
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return false; |
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} |
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$item = $this->_items[$itemName]; |
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Yii::trace('Checking permission: ' . $item->getName(), __METHOD__); |
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if (!isset($params['userId'])) { |
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$params['userId'] = $userId; |
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} |
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if ($this->executeBizRule($item->getBizRule(), $params, $item->getData())) { |
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if (in_array($itemName, $this->defaultRoles)) { |
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return true; |
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} |
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if (isset($this->_assignments[$userId][$itemName])) { |
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$assignment = $this->_assignments[$userId][$itemName]; |
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if ($this->executeBizRule($assignment->getBizRule(), $params, $assignment->getData())) { |
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return true; |
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} |
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} |
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foreach ($this->_children as $parentName => $children) { |
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if (isset($children[$itemName]) && $this->checkAccess($userId, $parentName, $params)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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/** |
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* Adds an item as a child of another item. |
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* @param string $itemName the parent item name |
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* @param string $childName the child item name |
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* @return boolean whether the item is added successfully |
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* @throws Exception if either parent or child doesn't exist or if a loop has been detected. |
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*/ |
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public function addItemChild($itemName, $childName) |
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{ |
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if (!isset($this->_items[$childName], $this->_items[$itemName])) { |
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throw new Exception("Either '$itemName' or '$childName' does not exist."); |
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} |
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$child = $this->_items[$childName]; |
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$item = $this->_items[$itemName]; |
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$this->checkItemChildType($item->getType(), $child->getType()); |
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if ($this->detectLoop($itemName, $childName)) { |
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throw new Exception("Cannot add '$childName' as a child of '$itemName'. A loop has been detected."); |
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} |
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if (isset($this->_children[$itemName][$childName])) { |
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throw new Exception("The item '$itemName' already has a child '$childName'."); |
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} |
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$this->_children[$itemName][$childName] = $this->_items[$childName]; |
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return true; |
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} |
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|
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/** |
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* Removes a child from its parent. |
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* Note, the child item is not deleted. Only the parent-child relationship is removed. |
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* @param string $itemName the parent item name |
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* @param string $childName the child item name |
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* @return boolean whether the removal is successful |
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*/ |
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public function removeItemChild($itemName, $childName) |
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{ |
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if (isset($this->_children[$itemName][$childName])) { |
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unset($this->_children[$itemName][$childName]); |
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return true; |
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} else { |
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return false; |
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} |
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} |
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|
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/** |
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* Returns a value indicating whether a child exists within a parent. |
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* @param string $itemName the parent item name |
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* @param string $childName the child item name |
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* @return boolean whether the child exists |
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*/ |
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public function hasItemChild($itemName, $childName) |
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{ |
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return isset($this->_children[$itemName][$childName]); |
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} |
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/** |
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* Returns the children of the specified item. |
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* @param mixed $names the parent item name. This can be either a string or an array. |
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* The latter represents a list of item names. |
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* @return array all child items of the parent |
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*/ |
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public function getItemChildren($names) |
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{ |
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if (is_string($names)) { |
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return isset($this->_children[$names]) ? $this->_children[$names] : array(); |
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} |
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$children = array(); |
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foreach ($names as $name) { |
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if (isset($this->_children[$name])) { |
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$children = array_merge($children, $this->_children[$name]); |
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} |
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} |
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return $children; |
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} |
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/** |
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* Assigns an authorization item to a user. |
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* @param mixed $userId the user ID (see [[User::id]]) |
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* @param string $itemName the item name |
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* @param string $bizRule the business rule to be executed when [[checkAccess()]] is called |
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* for this particular authorization item. |
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* @param mixed $data additional data associated with this assignment |
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* @return Assignment the authorization assignment information. |
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* @throws Exception if the item does not exist or if the item has already been assigned to the user |
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*/ |
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public function assign($userId, $itemName, $bizRule = null, $data = null) |
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{ |
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if (!isset($this->_items[$itemName])) { |
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throw new Exception("Unknown authorization item '$itemName'."); |
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} elseif (isset($this->_assignments[$userId][$itemName])) { |
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throw new Exception("Authorization item '$itemName' has already been assigned to user '$userId'."); |
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} else { |
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return $this->_assignments[$userId][$itemName] = new Assignment($this, $itemName, $userId, $bizRule, $data); |
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} |
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} |
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/** |
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* Revokes an authorization assignment from a user. |
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* @param mixed $userId the user ID (see [[User::id]]) |
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* @param string $itemName the item name |
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* @return boolean whether removal is successful |
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*/ |
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public function revoke($userId, $itemName) |
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{ |
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if (isset($this->_assignments[$userId][$itemName])) { |
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unset($this->_assignments[$userId][$itemName]); |
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return true; |
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} else { |
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return false; |
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} |
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} |
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|
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/** |
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* Returns a value indicating whether the item has been assigned to the user. |
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* @param mixed $userId the user ID (see [[User::id]]) |
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* @param string $itemName the item name |
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* @return boolean whether the item has been assigned to the user. |
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*/ |
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public function isAssigned($userId, $itemName) |
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{ |
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return isset($this->_assignments[$userId][$itemName]); |
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} |
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|
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/** |
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* Returns the item assignment information. |
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* @param mixed $userId the user ID (see [[User::id]]) |
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* @param string $itemName the item name |
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* @return Assignment the item assignment information. Null is returned if |
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* the item is not assigned to the user. |
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*/ |
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public function getAssignment($userId, $itemName) |
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{ |
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return isset($this->_assignments[$userId][$itemName]) ? $this->_assignments[$userId][$itemName] : null; |
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} |
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/** |
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* Returns the item assignments for the specified user. |
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* @param mixed $userId the user ID (see [[User::id]]) |
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* @return array the item assignment information for the user. An empty array will be |
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* returned if there is no item assigned to the user. |
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*/ |
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public function getAssignments($userId) |
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{ |
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return isset($this->_assignments[$userId]) ? $this->_assignments[$userId] : array(); |
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} |
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/** |
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* Returns the authorization items of the specific type and user. |
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* @param mixed $userId the user ID. Defaults to null, meaning returning all items even if |
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* they are not assigned to a user. |
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* @param integer $type the item type (0: operation, 1: task, 2: role). Defaults to null, |
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* meaning returning all items regardless of their type. |
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* @return array the authorization items of the specific type. |
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*/ |
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public function getItems($userId = null, $type = null) |
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{ |
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if ($type === null && $userId === null) { |
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return $this->_items; |
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} |
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$items = array(); |
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if ($userId === null) { |
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foreach ($this->_items as $name => $item) { |
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if ($item->getType() == $type) { |
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$items[$name] = $item; |
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} |
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} |
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} elseif (isset($this->_assignments[$userId])) { |
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foreach ($this->_assignments[$userId] as $assignment) { |
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$name = $assignment->getItemName(); |
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if (isset($this->_items[$name]) && ($type === null || $this->_items[$name]->getType() == $type)) { |
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$items[$name] = $this->_items[$name]; |
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} |
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} |
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} |
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return $items; |
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} |
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|
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/** |
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* Creates an authorization item. |
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* An authorization item represents an action permission (e.g. creating a post). |
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* It has three types: operation, task and role. |
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* Authorization items form a hierarchy. Higher level items inheirt permissions representing |
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* by lower level items. |
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* @param string $name the item name. This must be a unique identifier. |
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* @param integer $type the item type (0: operation, 1: task, 2: role). |
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* @param string $description description of the item |
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* @param string $bizRule business rule associated with the item. This is a piece of |
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* PHP code that will be executed when [[checkAccess()]] is called for the item. |
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* @param mixed $data additional data associated with the item. |
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* @return Item the authorization item |
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* @throws Exception if an item with the same name already exists |
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*/ |
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public function createItem($name, $type, $description = '', $bizRule = null, $data = null) |
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{ |
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if (isset($this->_items[$name])) { |
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throw new Exception('Unable to add an item whose name is the same as an existing item.'); |
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} |
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return $this->_items[$name] = new Item($this, $name, $type, $description, $bizRule, $data); |
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} |
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|
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/** |
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* Removes the specified authorization item. |
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* @param string $name the name of the item to be removed |
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* @return boolean whether the item exists in the storage and has been removed |
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*/ |
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public function removeItem($name) |
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{ |
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if (isset($this->_items[$name])) { |
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foreach ($this->_children as &$children) { |
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unset($children[$name]); |
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} |
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foreach ($this->_assignments as &$assignments) { |
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unset($assignments[$name]); |
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} |
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unset($this->_items[$name]); |
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return true; |
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} else { |
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return false; |
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} |
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} |
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|
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/** |
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* Returns the authorization item with the specified name. |
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* @param string $name the name of the item |
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* @return Item the authorization item. Null if the item cannot be found. |
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*/ |
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public function getItem($name) |
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{ |
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return isset($this->_items[$name]) ? $this->_items[$name] : null; |
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} |
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|
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/** |
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* Saves an authorization item to persistent storage. |
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* @param Item $item the item to be saved. |
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* @param string $oldName the old item name. If null, it means the item name is not changed. |
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* @throws Exception if an item with the same name already taken |
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*/ |
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public function saveItem($item, $oldName = null) |
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{ |
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if ($oldName !== null && ($newName = $item->getName()) !== $oldName) // name changed |
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{ |
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if (isset($this->_items[$newName])) { |
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throw new Exception("Unable to change the item name. The name '$newName' is already used by another item."); |
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} |
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if (isset($this->_items[$oldName]) && $this->_items[$oldName] === $item) { |
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unset($this->_items[$oldName]); |
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$this->_items[$newName] = $item; |
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if (isset($this->_children[$oldName])) { |
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$this->_children[$newName] = $this->_children[$oldName]; |
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unset($this->_children[$oldName]); |
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} |
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foreach ($this->_children as &$children) { |
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if (isset($children[$oldName])) { |
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$children[$newName] = $children[$oldName]; |
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unset($children[$oldName]); |
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} |
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} |
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foreach ($this->_assignments as &$assignments) { |
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if (isset($assignments[$oldName])) { |
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$assignments[$newName] = $assignments[$oldName]; |
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unset($assignments[$oldName]); |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Saves the changes to an authorization assignment. |
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* @param Assignment $assignment the assignment that has been changed. |
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*/ |
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public function saveAssignment($assignment) |
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{ |
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} |
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/** |
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* Saves authorization data into persistent storage. |
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* If any change is made to the authorization data, please make |
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* sure you call this method to save the changed data into persistent storage. |
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*/ |
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public function save() |
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{ |
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$items = array(); |
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foreach ($this->_items as $name => $item) { |
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$items[$name] = array( |
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'type' => $item->getType(), |
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'description' => $item->getDescription(), |
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'bizRule' => $item->getBizRule(), |
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'data' => $item->getData(), |
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); |
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if (isset($this->_children[$name])) { |
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foreach ($this->_children[$name] as $child) { |
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$items[$name]['children'][] = $child->getName(); |
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} |
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} |
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} |
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foreach ($this->_assignments as $userId => $assignments) { |
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foreach ($assignments as $name => $assignment) { |
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if (isset($items[$name])) { |
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$items[$name]['assignments'][$userId] = array( |
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'bizRule' => $assignment->getBizRule(), |
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'data' => $assignment->getData(), |
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); |
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} |
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} |
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} |
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$this->saveToFile($items, $this->authFile); |
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} |
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/** |
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* Loads authorization data. |
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*/ |
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public function load() |
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{ |
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$this->clearAll(); |
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$items = $this->loadFromFile($this->authFile); |
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foreach ($items as $name => $item) { |
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$this->_items[$name] = new Item($this, $name, $item['type'], $item['description'], $item['bizRule'], $item['data']); |
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} |
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|
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foreach ($items as $name => $item) { |
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if (isset($item['children'])) { |
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foreach ($item['children'] as $childName) { |
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if (isset($this->_items[$childName])) { |
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$this->_children[$name][$childName] = $this->_items[$childName]; |
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} |
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} |
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} |
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if (isset($item['assignments'])) { |
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foreach ($item['assignments'] as $userId => $assignment) { |
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$this->_assignments[$userId][$name] = new Assignment($this, $name, $userId, $assignment['bizRule'], $assignment['data']); |
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} |
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} |
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} |
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} |
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|
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/** |
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* Removes all authorization data. |
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*/ |
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public function clearAll() |
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{ |
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$this->clearAssignments(); |
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$this->_children = array(); |
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$this->_items = array(); |
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} |
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|
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/** |
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* Removes all authorization assignments. |
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*/ |
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public function clearAssignments() |
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{ |
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$this->_assignments = array(); |
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} |
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|
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/** |
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* Checks whether there is a loop in the authorization item hierarchy. |
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* @param string $itemName parent item name |
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* @param string $childName the name of the child item that is to be added to the hierarchy |
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* @return boolean whether a loop exists |
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*/ |
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protected function detectLoop($itemName, $childName) |
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{ |
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if ($childName === $itemName) { |
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return true; |
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} |
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if (!isset($this->_children[$childName], $this->_items[$itemName])) { |
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return false; |
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} |
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foreach ($this->_children[$childName] as $child) { |
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if ($this->detectLoop($itemName, $child->getName())) { |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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/** |
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* Loads the authorization data from a PHP script file. |
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* @param string $file the file path. |
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* @return array the authorization data |
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* @see saveToFile |
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*/ |
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protected function loadFromFile($file) |
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{ |
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if (is_file($file)) { |
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return require($file); |
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} else { |
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return array(); |
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} |
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} |
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|
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/** |
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* Saves the authorization data to a PHP script file. |
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* @param array $data the authorization data |
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* @param string $file the file path. |
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* @see loadFromFile |
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*/ |
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protected function saveToFile($data, $file) |
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{ |
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file_put_contents($file, "<?php\nreturn " . var_export($data, true) . ";\n");
|
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} |
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} |
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@ -1,173 +0,0 @@
|
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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|
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namespace yii\web; |
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|
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/** |
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* IAuthManager interface is implemented by an auth manager application component. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Alexander Kochetov <creocoder@gmail.com> |
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* @since 2.0 |
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*/ |
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interface IAuthManager |
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{ |
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/** |
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* Performs access check for the specified user. |
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* @param mixed $userId the user ID. This should be either an integer or a string representing |
||||
* the unique identifier of a user. See [[User::id]]. |
||||
* @param string $itemName the name of the operation that we are checking access to |
||||
* @param array $params name-value pairs that would be passed to biz rules associated |
||||
* with the tasks and roles assigned to the user. |
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* @return boolean whether the operations can be performed by the user. |
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*/ |
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public function checkAccess($userId, $itemName, $params = array()); |
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|
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/** |
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* Creates an authorization item. |
||||
* An authorization item represents an action permission (e.g. creating a post). |
||||
* It has three types: operation, task and role. |
||||
* Authorization items form a hierarchy. Higher level items inheirt permissions representing |
||||
* by lower level items. |
||||
* @param string $name the item name. This must be a unique identifier. |
||||
* @param integer $type the item type (0: operation, 1: task, 2: role). |
||||
* @param string $description description of the item |
||||
* @param string $bizRule business rule associated with the item. This is a piece of |
||||
* PHP code that will be executed when [[checkAccess()]] is called for the item. |
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* @param mixed $data additional data associated with the item. |
||||
* @throws \yii\base\Exception if an item with the same name already exists |
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* @return AuthItem the authorization item |
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*/ |
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public function createAuthItem($name, $type, $description = '', $bizRule = null, $data = null); |
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/** |
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* Removes the specified authorization item. |
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* @param string $name the name of the item to be removed |
||||
* @return boolean whether the item exists in the storage and has been removed |
||||
*/ |
||||
public function removeAuthItem($name); |
||||
/** |
||||
* Returns the authorization items of the specific type and user. |
||||
* @param mixed $userId the user ID. Defaults to null, meaning returning all items even if |
||||
* they are not assigned to a user. |
||||
* @param integer $type the item type (0: operation, 1: task, 2: role). Defaults to null, |
||||
* meaning returning all items regardless of their type. |
||||
* @return array the authorization items of the specific type. |
||||
*/ |
||||
public function getAuthItems($userId = null, $type = null); |
||||
/** |
||||
* Returns the authorization item with the specified name. |
||||
* @param string $name the name of the item |
||||
* @return AuthItem the authorization item. Null if the item cannot be found. |
||||
*/ |
||||
public function getAuthItem($name); |
||||
/** |
||||
* Saves an authorization item to persistent storage. |
||||
* @param AuthItem $item the item to be saved. |
||||
* @param string $oldName the old item name. If null, it means the item name is not changed. |
||||
*/ |
||||
public function saveAuthItem($item, $oldName = null); |
||||
|
||||
/** |
||||
* Adds an item as a child of another item. |
||||
* @param string $itemName the parent item name |
||||
* @param string $childName the child item name |
||||
* @throws \yii\base\Exception if either parent or child doesn't exist or if a loop has been detected. |
||||
*/ |
||||
public function addItemChild($itemName, $childName); |
||||
/** |
||||
* Removes a child from its parent. |
||||
* Note, the child item is not deleted. Only the parent-child relationship is removed. |
||||
* @param string $itemName the parent item name |
||||
* @param string $childName the child item name |
||||
* @return boolean whether the removal is successful |
||||
*/ |
||||
public function removeItemChild($itemName, $childName); |
||||
/** |
||||
* Returns a value indicating whether a child exists within a parent. |
||||
* @param string $itemName the parent item name |
||||
* @param string $childName the child item name |
||||
* @return boolean whether the child exists |
||||
*/ |
||||
public function hasItemChild($itemName, $childName); |
||||
/** |
||||
* Returns the children of the specified item. |
||||
* @param mixed $itemName the parent item name. This can be either a string or an array. |
||||
* The latter represents a list of item names. |
||||
* @return array all child items of the parent |
||||
*/ |
||||
public function getItemChildren($itemName); |
||||
|
||||
/** |
||||
* Assigns an authorization item to a user. |
||||
* @param mixed $userId the user ID (see [[User::id]]) |
||||
* @param string $itemName the item name |
||||
* @param string $bizRule the business rule to be executed when [[checkAccess()]] is called |
||||
* for this particular authorization item. |
||||
* @param mixed $data additional data associated with this assignment |
||||
* @return AuthAssignment the authorization assignment information. |
||||
* @throws \yii\base\Exception if the item does not exist or if the item has already been assigned to the user |
||||
*/ |
||||
public function assign($userId, $itemName, $bizRule = null, $data = null); |
||||
/** |
||||
* Revokes an authorization assignment from a user. |
||||
* @param mixed $userId the user ID (see [[User::id]]) |
||||
* @param string $itemName the item name |
||||
* @return boolean whether removal is successful |
||||
*/ |
||||
public function revoke($userId, $itemName); |
||||
/** |
||||
* Returns a value indicating whether the item has been assigned to the user. |
||||
* @param mixed $userId the user ID (see [[User::id]]) |
||||
* @param string $itemName the item name |
||||
* @return boolean whether the item has been assigned to the user. |
||||
*/ |
||||
public function isAssigned($userId, $itemName); |
||||
/** |
||||
* Returns the item assignment information. |
||||
* @param mixed $userId the user ID (see [[User::id]]) |
||||
* @param string $itemName the item name |
||||
* @return AuthAssignment the item assignment information. Null is returned if |
||||
* the item is not assigned to the user. |
||||
*/ |
||||
public function getAuthAssignment($userId, $itemName); |
||||
/** |
||||
* Returns the item assignments for the specified user. |
||||
* @param mixed $userId the user ID (see [[User::id]]) |
||||
* @return array the item assignment information for the user. An empty array will be |
||||
* returned if there is no item assigned to the user. |
||||
*/ |
||||
public function getAuthAssignments($userId); |
||||
/** |
||||
* Saves the changes to an authorization assignment. |
||||
* @param AuthAssignment $assignment the assignment that has been changed. |
||||
*/ |
||||
public function saveAuthAssignment($assignment); |
||||
/** |
||||
* Removes all authorization data. |
||||
*/ |
||||
public function clearAll(); |
||||
/** |
||||
* Removes all authorization assignments. |
||||
*/ |
||||
public function clearAuthAssignments(); |
||||
/** |
||||
* Saves authorization data into persistent storage. |
||||
* If any change is made to the authorization data, please make |
||||
* sure you call this method to save the changed data into persistent storage. |
||||
*/ |
||||
public function save(); |
||||
/** |
||||
* Executes a business rule. |
||||
* A business rule is a piece of PHP code that will be executed when [[checkAccess()]] is called. |
||||
* @param string $bizRule the business rule to be executed. |
||||
* @param array $params additional parameters to be passed to the business rule when being executed. |
||||
* @param mixed $data additional data that is associated with the corresponding authorization item or assignment |
||||
* @return boolean whether the execution returns a true value. |
||||
* If the business rule is empty, it will also return true. |
||||
*/ |
||||
public function executeBizRule($bizRule, $params, $data); |
||||
} |
||||
Loading…
Reference in new issue