Source for file SQLDatabaseMD5UsernamePasswordAuthNTokens.class.php

<?php
/**
 * @package harmoni.osid_v2.agentmanagement.authn_methods
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: SQLDatabaseMD5UsernamePasswordAuthNTokens.class.php,v 1.7 2007/09/04 20:25:37 adamfranco Exp $
 */ 
 
require_once(dirname(__FILE__)."/UsernamePasswordAuthNTokens.class.php");
 
/**
 * This UserNamePasswordAuthNTokens class encrypts the password passed to it using
 * the database's MD5 function.
 * 
 * @package harmoni.osid_v2.agentmanagement.authn_methods
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: SQLDatabaseMD5UsernamePasswordAuthNTokens.class.php,v 1.7 2007/09/04 20:25:37 adamfranco Exp $
 */
class SQLDatabaseMD5UsernamePasswordAuthNTokens
    extends UsernamePasswordAuthNTokens
{
 
    /**
     * Initialize this object for a set of authentication tokens. Set the
     * password to the encrypted version.
     * 
     * @param mixed $tokens 
     * @return void 
     * @access public
     * @since 3/1/05
     */
    function initializeForTokens ( $tokens ) {
        ArgumentValidator::validate($tokens, ArrayValidatorRule::getRule());
        ArgumentValidator::validate($tokens['username'], StringValidatorRule::getRule());
        ArgumentValidator::validate($tokens['password'], StringValidatorRule::getRule());
        
        $this->_tokens = $tokens;
        $this->_identifier = $tokens['username'];
        
        // set the password to the encrypted version.
        $dbc = Services::getService("DatabaseManager");
        $dbId = $this->_configuration->getProperty('database_id');
        
        $passwordQuery =  new SelectQuery;
        $passwordQuery->addColumn(    "MD5('".addslashes($tokens['password'])."')",
                                    "encryptedPassword");
        $passwordResult =  $dbc->query($passwordQuery, $dbId);
        $this->_tokens['password'] = $passwordResult->field("encryptedPassword");
        $passwordResult->free();
    }
    
}
 
?>