wcfsetup/install/files/lib/data/session/Session.class.php

   1 <?php
   2 namespace wcf\data\session;
   3 use wcf\data\acp\session\ACPSession;
   4 use wcf\system\WCF;
   5
   6 /**
   7  * Represents a session.
   8  *
   9  * @author      Alexander Ebert
  10  * @copyright   2001-2014 WoltLab GmbH
  11  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  12  * @package     com.woltlab.wcf
  13  * @subpackage  data.session
  14  * @category    Community Framework
  15  */
  16 class Session extends ACPSession {
  17         /**
  18          * @see \wcf\data\DatabaseObject::$databaseTableName
  19          */
  20         protected static $databaseTableName = 'session';
  21
  22         /**
  23          * @see \wcf\data\DatabaseObject::$databaseTableIndexName
  24          */
  25         protected static $databaseTableIndexName = 'sessionID';
  26
  27         /**
  28          * @see \wcf\data\acp\session\ACPSession::supportsPersistentLogins()
  29          */
  30         public static function supportsPersistentLogins() {
  31                 return true;
  32         }
  33
  34         /**
  35          * @see \wcf\data\acp\session\ACPSession::supportsVirtualSessions()
  36          */
  37         public static function supportsVirtualSessions() {
  38                 return (SESSION_ENABLE_VIRTUALIZATION) ? true : false;
  39         }
  40
  41         /**
  42          * Returns the existing session object for given user id or null if there
  43          * is no such session.
  44          *
  45          * @param       integer         $userID
  46          * @return      \wcf\data\session\Session
  47          */
  48         public static function getSessionByUserID($userID) {
  49                 $sql = "SELECT  *
  50                         FROM    ".static::getDatabaseTableName()."
  51                         WHERE   userID = ?";
  52                 $statement = WCF::getDB()->prepareStatement($sql);
  53                 $statement->execute(array($userID));
  54                 $row = $statement->fetchArray();
  55
  56                 if ($row === false) {
  57                         return null;
  58                 }
  59
  60                 return new static(null, $row);
  61         }
  62 }