Source for file LDAPAuthNTokens.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: LDAPAuthNTokens.class.php,v 1.10 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 PHP's crypt() 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: LDAPAuthNTokens.class.php,v 1.10 2007/09/04 20:25:37 adamfranco Exp $
 */
class LDAPAuthNTokens
    extends UsernamePasswordAuthNTokens
{
    /**
     * Constructor, Adds some additional functionality to that of the parent's
     * constructor
     * 
     * @param object Properties $configuration 
     * @return object 
     * @access public
     * @since 3/4/05
     */
    function LDAPAuthNTokens (  $configuration  ) {
        $par = get_parent_class($this);
        parent::$par($configuration);
        
        $this->_connector =$configuration->getProperty('connector');
        
        // Validate the configuration options we use:
        ArgumentValidator::validate (
            $this->_configuration->getProperty('login_fields'), 
            ArrayValidatorRuleWithRule::getRule(StringValidatorRule::getRule()));
    }
 
    /**
     * Initialize this object for a set of authentication tokens. The identifier
     * is the user's CN, but they may have passed a username or email as part
     * of their tokens instead.
     * 
     * @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->_tokens['password'] = $tokens['password'];
        
        // See if we were passed a system name instead of a full DN as this
        // is probably the case. First try the 'main system name' in case 
        // a broader search returns more results.
        $primaryLoginFields = $this->_configuration->getProperty('login_fields');
        
        foreach($primaryLoginFields as $loginField) {
            $dns = $this->_connector->getUserDNsBySearch($loginField."=".$tokens['username']);
//             printpre($loginField."=".$tokens['username']);
            
            if (count($dns) == 1) {
                $this->_identifier = $dns[0];
                $this->_tokens['username'] = $dns[0];
                return;
            }
        }
        
        // If we haven't found it, just leave it alone as it might be the DN 
        // itself.
        $this->_identifier = $tokens['username'];
    }
    
}
 
?>