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- <?php
- namespace Cube\Authentication;
- class Authentication
- {
-
- protected $_adapter;
-
- protected $_storage;
-
- protected static $_instance;
-
- public function __construct(Storage\StorageInterface $storage = null)
- {
- $this->setStorage($storage);
- }
-
- public static function getInstance()
- {
- if (!self::$_instance instanceof self) {
- self::$_instance = new self();
- }
- return self::$_instance;
- }
-
- public function getAdapter()
- {
- return $this->_adapter;
- }
-
- public function setAdapter(Adapter\AdapterInterface $adapter)
- {
- $this->_adapter = $adapter;
- return $this;
- }
-
- public function getStorage()
- {
- return $this->_storage;
- }
-
- public function setStorage(Storage\StorageInterface $storage = null)
- {
- if ($storage === null) {
- $storage = new Storage\Session();
- }
- $this->_storage = $storage;
- return $this;
- }
-
- public function authenticate(Adapter\AdapterInterface $adapter = null)
- {
- if ($adapter === null) {
- if ((!$adapter = $this->getAdapter()) instanceof Adapter\AdapterInterface) {
- throw new \RuntimeException("The authentication service requires
- an object of type \Cube\Authentication\Adapter\AdapterInterface.");
- }
- }
- $result = $adapter->authenticate();
- if ($this->hasIdentity()) {
- $this->clearIdentity();
- }
- if ($result->isValid()) {
- $this->getStorage()->write(
- $result->getIdentity());
- }
- return $result;
- }
-
- public function hasIdentity()
- {
- return !$this->getStorage()->isEmpty();
- }
-
- public function getIdentity()
- {
- $storage = $this->getStorage();
- if ($storage->isEmpty()) {
- return null;
- }
- return $storage->read();
- }
-
- public function clearIdentity()
- {
- $this->getStorage()->clear();
- }
- }
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