Paul Klimov
11 years ago
2 changed files with 342 additions and 0 deletions
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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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namespace yii\mongodb; |
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use Yii; |
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use yii\mongodb\Connection; |
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use yii\mongodb\Query; |
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use yii\base\InvalidConfigException; |
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|
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/** |
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* Session extends [[\yii\web\Session]] by using MongoDB as session data storage. |
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* |
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* By default, Session stores session data in a collection named 'session' inside the default database. |
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* This collection is better to be pre-created with fields 'id' and 'expire' indexed. |
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* The collection name can be changed by setting [[sessionCollection]]. |
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* |
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* The following example shows how you can configure the application to use Session: |
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* Add the following to your application config under `components`: |
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* |
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* ~~~ |
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* 'session' => [ |
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* 'class' => 'yii\mongodb\Session', |
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* // 'db' => 'mymongodb', |
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* // 'sessionCollection' => 'my_session', |
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* ] |
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* ~~~ |
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* |
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* @author Paul Klimov <klimov.paul@gmail.com> |
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* @since 2.0 |
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*/ |
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class Session extends \yii\web\Session |
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{ |
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/** |
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* @var Connection|string the MongoDB connection object or the application component ID of the MongoDB connection. |
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* After the Session object is created, if you want to change this property, you should only assign it |
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* with a MongoDB connection object. |
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*/ |
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public $db = 'mongodb'; |
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/** |
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* @var string|array the name of the MongoDB collection that stores the session data. |
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*/ |
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public $sessionCollection = 'session'; |
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|
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/** |
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* Initializes the Session component. |
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* This method will initialize the [[db]] property to make sure it refers to a valid MongoDB connection. |
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* @throws InvalidConfigException if [[db]] is invalid. |
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*/ |
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public function init() |
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{ |
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if (is_string($this->db)) { |
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$this->db = Yii::$app->getComponent($this->db); |
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} |
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if (!$this->db instanceof Connection) { |
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throw new InvalidConfigException($this->className() . "::db must be either a MongoDB connection instance or the application component ID of a MongoDB connection."); |
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} |
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parent::init(); |
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} |
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/** |
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* Returns a value indicating whether to use custom session storage. |
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* This method overrides the parent implementation and always returns true. |
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* @return boolean whether to use custom storage. |
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*/ |
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public function getUseCustomStorage() |
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{ |
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return true; |
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} |
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/** |
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* Updates the current session ID with a newly generated one. |
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* Please refer to <http://php.net/session_regenerate_id> for more details. |
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* @param boolean $deleteOldSession Whether to delete the old associated session file or not. |
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*/ |
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public function regenerateID($deleteOldSession = false) |
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{ |
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$oldID = session_id(); |
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// if no session is started, there is nothing to regenerate |
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if (empty($oldID)) { |
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return; |
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} |
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parent::regenerateID(false); |
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$newID = session_id(); |
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$query = new Query; |
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$row = $query->from($this->sessionCollection) |
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->where(['id' => $oldID]) |
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->one($this->db); |
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if ($row !== false) { |
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if ($deleteOldSession) { |
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$this->db->getCollection($this->sessionCollection) |
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->update(['_id' => $row['_id']], ['id' => $newID]); |
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} else { |
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unset($row['_id']); |
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$row['id'] = $newID; |
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$this->db->getCollection($this->sessionCollection) |
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->insert($row); |
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} |
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} else { |
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// shouldn't reach here normally |
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$this->db->getCollection($this->sessionCollection) |
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->insert([ |
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'id' => $newID, |
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'expire' => time() + $this->getTimeout(), |
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'data' => '', |
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]); |
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} |
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} |
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/** |
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* Session read handler. |
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* Do not call this method directly. |
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* @param string $id session ID |
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* @return string the session data |
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*/ |
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public function readSession($id) |
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{ |
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$query = new Query; |
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$row = $query->select(['data']) |
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->from($this->sessionCollection) |
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->where([ |
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'expire' => ['$gt' => time()], |
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'id' => $id |
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]) |
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->one($this->db); |
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return $row === false ? '' : $row['data']; |
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} |
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/** |
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* Session write handler. |
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* Do not call this method directly. |
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* @param string $id session ID |
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* @param string $data session data |
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* @return boolean whether session write is successful |
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*/ |
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public function writeSession($id, $data) |
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{ |
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// exception must be caught in session write handler |
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// http://us.php.net/manual/en/function.session-set-save-handler.php |
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try { |
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$expire = time() + $this->getTimeout(); |
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$query = new Query; |
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$exists = $query->select(['id']) |
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->from($this->sessionCollection) |
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->where(['id' => $id]) |
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->one($this->db); |
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if ($exists === false) { |
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$this->db->getCollection($this->sessionCollection) |
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->insert([ |
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'id' => $id, |
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'data' => $data, |
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'expire' => $expire, |
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]); |
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} else { |
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$this->db->getCollection($this->sessionCollection) |
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->update(['id' => $id], ['data' => $data, 'expire' => $expire]); |
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} |
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} catch (\Exception $e) { |
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if (YII_DEBUG) { |
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echo $e->getMessage(); |
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} |
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// it is too late to log an error message here |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Session destroy handler. |
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* Do not call this method directly. |
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* @param string $id session ID |
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* @return boolean whether session is destroyed successfully |
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*/ |
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public function destroySession($id) |
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{ |
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$this->db->getCollection($this->sessionCollection) |
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->remove(['id' => $id]); |
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return true; |
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} |
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/** |
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* Session GC (garbage collection) handler. |
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* Do not call this method directly. |
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* @param integer $maxLifetime the number of seconds after which data will be seen as 'garbage' and cleaned up. |
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* @return boolean whether session is GCed successfully |
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*/ |
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public function gcSession($maxLifetime) |
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{ |
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$this->db->getCollection($this->sessionCollection) |
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->remove([ |
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'expire' => ['$lt' => time()] |
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]); |
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return true; |
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} |
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} |
@ -0,0 +1,140 @@
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<?php |
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namespace yiiunit\extensions\mongodb; |
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use yii\mongodb\Session; |
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use Yii; |
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class SessionTest extends MongoDbTestCase |
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{ |
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/** |
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* @var string test session collection name. |
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*/ |
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protected static $sessionCollection = '_test_session'; |
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protected function tearDown() |
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{ |
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$this->dropCollection(static::$sessionCollection); |
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parent::tearDown(); |
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} |
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/** |
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* Creates test session instance. |
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* @return Session session instance. |
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*/ |
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protected function createSession() |
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{ |
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return Yii::createObject([ |
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'class' => Session::className(), |
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'db' => $this->getConnection(), |
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'sessionCollection' => static::$sessionCollection, |
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]); |
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} |
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// Tests: |
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public function testWriteSession() |
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{ |
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$session = $this->createSession(); |
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$id = uniqid(); |
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$data = [ |
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'name' => 'value' |
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]; |
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$dataSerialized = serialize($data); |
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$this->assertTrue($session->writeSession($id, $dataSerialized), 'Unable to write session!'); |
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$collection = $session->db->getCollection($session->sessionCollection); |
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$rows = $this->findAll($collection); |
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$this->assertCount(1, $rows, 'No session record!'); |
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$row = array_shift($rows); |
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$this->assertEquals($id, $row['id'], 'Wrong session id!'); |
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$this->assertEquals($dataSerialized, $row['data'], 'Wrong session data!'); |
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$this->assertTrue($row['expire'] > time(), 'Wrong session expire!'); |
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$newData = [ |
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'name' => 'new value' |
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]; |
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$newDataSerialized = serialize($newData); |
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$this->assertTrue($session->writeSession($id, $newDataSerialized), 'Unable to update session!'); |
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$rows = $this->findAll($collection); |
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$this->assertCount(1, $rows, 'Wrong session records after update!'); |
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$newRow = array_shift($rows); |
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$this->assertEquals($id, $newRow['id'], 'Wrong session id after update!'); |
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$this->assertEquals($newDataSerialized, $newRow['data'], 'Wrong session data after update!'); |
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$this->assertTrue($newRow['expire'] >= $row['expire'], 'Wrong session expire after update!'); |
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} |
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/** |
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* @depends testWriteSession |
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*/ |
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public function testDestroySession() |
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{ |
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$session = $this->createSession(); |
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$id = uniqid(); |
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$data = [ |
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'name' => 'value' |
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]; |
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$dataSerialized = serialize($data); |
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$session->writeSession($id, $dataSerialized); |
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$this->assertTrue($session->destroySession($id), 'Unable to destroy session!'); |
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$collection = $session->db->getCollection($session->sessionCollection); |
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$rows = $this->findAll($collection); |
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$this->assertEmpty($rows, 'Session record not deleted!'); |
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} |
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/** |
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* @depends testWriteSession |
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*/ |
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public function testReadSession() |
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{ |
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$session = $this->createSession(); |
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$id = uniqid(); |
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$data = [ |
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'name' => 'value' |
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]; |
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$dataSerialized = serialize($data); |
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$session->writeSession($id, $dataSerialized); |
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$sessionData = $session->readSession($id); |
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$this->assertEquals($dataSerialized, $sessionData, 'Unable to read session!'); |
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$collection = $session->db->getCollection($session->sessionCollection); |
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list($row) = $this->findAll($collection); |
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$newRow = $row; |
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$newRow['expire'] = time() - 1; |
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unset($newRow['_id']); |
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$collection->update(['_id' => $row['_id']], $newRow); |
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$sessionData = $session->readSession($id); |
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$this->assertEquals('', $sessionData, 'Expired session read!'); |
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} |
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public function testGcSession() |
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{ |
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$session = $this->createSession(); |
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$collection = $session->db->getCollection($session->sessionCollection); |
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$collection->batchInsert([ |
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[ |
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'id' => uniqid(), |
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'expire' => time() + 10, |
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'data' => 'actual', |
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], |
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[ |
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'id' => uniqid(), |
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'expire' => time() - 10, |
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'data' => 'expired', |
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], |
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]); |
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$this->assertTrue($session->gcSession(10), 'Unable to collection garbage session!'); |
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$rows = $this->findAll($collection); |
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$this->assertCount(1, $rows, 'Wrong records count!'); |
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} |
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} |
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