Subversion-Projekte lars-tiefland.prado

<?php
/**
 * BlogUserManager class file
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2006 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: BlogUserManager.php 2289 2007-10-01 01:04:10Z xue $
 */

Prado::using('System.Security.IUserManager');
Prado::using('Application.Common.BlogUser');

/**
 * BlogUserManager class
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2006 PradoSoft
 * @license http://www.pradosoft.com/license/
 */
class BlogUserManager extends TModule implements IUserManager
{
        public function getGuestName()
        {
                return 'Guest';
        }

        /**
         * Returns a user instance given the user name.
         * @param string user name, null if it is a guest.
         * @return TUser the user instance, null if the specified username is not in the user database.
         */
        public function getUser($username=null)
        {
                if($username===null)
                        return new BlogUser($this);
                else
                {
                        $username=strtolower($username);
                        $db=$this->Application->getModule('data');
                        if(($userRecord=$db->queryUserByName($username))!==null)
                        {
                                $user=new BlogUser($this);
                                $user->setID($userRecord->ID);
                                $user->setName($username);
                                $user->setIsGuest(false);
                                $user->setRoles($userRecord->Role===UserRecord::ROLE_USER?'user':'admin');
                                return $user;
                        }
                        else
                                return null;
                }
        }

        /**
         * Validates if the username and password are correct.
         * @param string user name
         * @param string password
         * @return boolean true if validation is successful, false otherwise.
         */
        public function validateUser($username,$password)
        {
                $db=$this->Application->getModule('data');
                if(($userRecord=$db->queryUserByName($username))!==null)
                        return $userRecord->Password===md5($password) && $userRecord->Status===UserRecord::STATUS_NORMAL;
                else
                        return false;
        }

        /**
         * Saves user auth data into a cookie.
         * @param THttpCookie the cookie to receive the user auth data.
         * @since 3.1.1
         */
        public function saveUserToCookie($cookie)
        {
                // do nothing since we don't support cookie-based auth in this example
        }

        /**
         * Returns a user instance according to auth data stored in a cookie.
         * @param THttpCookie the cookie storing user authentication information
         * @return TUser the user instance generated based on the cookie auth data, null if the cookie does not have valid auth data.
         * @since 3.1.1
         */
        public function getUserFromCookie($cookie)
        {
                // do nothing since we don't support cookie-based auth in this example
                return null;
        }
}

?>