<?php
/**
 * @version		$Id: example.php 14401 2010-01-26 14:10:00Z louis $
 * @package		Joomla
 * @subpackage	JFramework
 * @copyright	Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
 * @license		GNU/GPL, see LICENSE.php
 * Joomla! is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 */

// Check to ensure this file is included in Joomla!
defined( '_JEXEC' ) or die( 'Restricted access' );

jimport( 'joomla.plugin.plugin' );

/**
 * Example Authentication Plugin
 *
 * @package		Joomla
 * @subpackage	JFramework
 * @since 1.5
 */
class plgAuthenticationExample extends JPlugin
{
	/**
	 * Constructor
	 *
	 * For php4 compatability we must not use the __constructor as a constructor for plugins
	 * because func_get_args ( void ) returns a copy of all passed arguments NOT references.
	 * This causes problems with cross-referencing necessary for the observer design pattern.
	 *
	 * @param	object	$subject	The object to observe
	 * @param	array	$config		An array that holds the plugin configuration
	 * @since	1.5
	 */
	function plgAuthenticationExample(& $subject, $config)
	{
		parent::__construct($subject, $config);
	}

	/**
	 * This method should handle any authentication and report back to the subject
	 *
	 * @access	public
	 * @param	array	$credentials	Array holding the user credentials
	 * @param	array	$options		Array of extra options
	 * @param	object	$response		Authentication response object
	 * @return	boolean
	 * @since	1.5
	 */
	function onAuthenticate( $credentials, $options, &$response )
	{
		/*
		 * Here you would do whatever you need for an authentication routine with the credentials
		 *
		 * In this example the mixed variable $return would be set to false
		 * if the authentication routine fails or an integer userid of the authenticated
		 * user if the routine passes
		 */
		$success = true;

		if ($success)
		{
			$response->status			= JAUTHENTICATE_STATUS_SUCCESS;
			$response->error_message	= '';
			// You may also define other variables:
			/*
			$yourUser					= YourClass::getUser( $credentials );
			$response->email			= $yourUser->email;
			$response->fullname			= $yourUser->name;
			*/
			return true;
		}
		else
		{
			$response->status			= JAUTHENTICATE_STATUS_FAILURE;
			$response->error_message	= 'Could not authenticate';
			return false;
		}
	}
}