auth_jfusion.php

<?php

/**
 *
 * PHP version 5
 *
 * @category   JFusion
 * @package    JFusionPlugins
 * @subpackage phpBB3
 * @author     JFusion Team <webmaster@jfusion.org>
 * @copyright  2008 JFusion. All rights reserved.
 * @license    http://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link       http://www.jfusion.org
 */

/**
 * @ignore
 */
if (!defined('IN_PHPBB')) {
    exit;
}


//options
define('FORCE_REDIRECT_AFTER_LOGIN', 0);  //set this to one if you are getting a blank page after the user logs in
define('FORCE_REDIRECT_AFTER_LOGOUT', 0);  //set this to one if you are getting a blank page after the user logs out


/**
 * Login function
 *
 * @param string &$username
 * @param string &$password
 *
 * @return array
 */
function login_jfusion(&$username, &$password) {
    require_once 'auth_db.php';
    $result = login_db($username, $password);

	/**
	 * @ignore
	 * @var $db dbal_mysql
	 */
	global $phpbb_root_path, $phpEx, $db, $user;
	if (defined('ADMIN_START')){
//        $redirect = request_var('redirect', "{$phpbb_root_path}adm/index.$phpEx");
    } else {
		//check to see if login successful and jFusion is not active
		$joomla = startJoomla();

		//backup phpbb globals
		$joomla->backupGlobal();

		global $JFusionActive;
		if ($result['status'] == LOGIN_SUCCESS && empty($JFusionActive)) {

			//detect if the session should be remembered
			if (!empty($_POST['autologin'])) {
				$remember = 1;
			} else {
				$remember = 0;
			}
			$joomla->setActivePlugin('JFUSION_JNAME');
			$joomla->login($username, $password, $remember);

			if (FORCE_REDIRECT_AFTER_LOGIN) {
				if (isset($_REQUEST['redirect']) && defined('IN_JOOMLA')) {
					$itemid = JFusionFactory::getApplication()->input->getInt('Itemid');
					$url = JFusionFunction::getPluginURL($itemid, false);
					$redirect = str_replace('./', '', $_REQUEST['redirect']);
					if (strpos($redirect, 'mode=login') !== false) {
						$redirect = 'index.php';
					}
					$redirect = str_replace('?', '&', $redirect);
					$redirect = $url . "&jfile=" . $redirect;
				} else {
					//redirect to prevent fatal errors on some servers
					$uri = JURI::getInstance();
					//remove sid from URL
					$query = $uri->getQuery(true);
					if (isset($query['sid'])) {
						unset($query['sid']);
					}
					$uri->setQuery($query);
					//add a variable to ensure refresh
					$redirect = $uri->toString();
				}

				//recreate phpBB database connection
				$dbhost = $dbuser = $dbpasswd = $dbname = $dbport = null;
				include $phpbb_root_path . 'config.' . $phpEx;
				$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false);
				unset($dbpasswd);

				//create phpBB user session
				$user->session_create($result['user_row']['user_id'], 0, $remember);

				$url = str_replace('&amp;', '&', $redirect);

				header('Location: ' . $url);
				exit();
			} else {
				//recreate phpBB database connection
				$dbhost = $dbuser = $dbpasswd = $dbname = $dbport = null;
				include $phpbb_root_path . 'config.' . $phpEx;
				$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false);
				unset($dbpasswd);
			}
		}
		//backup phpbb globals
		$joomla->restoreGlobal();
	}
    return $result;
}

/**
 * @param $data
 */
function logout_jfusion(&$data) {
	/**
	 * @ignore
	 * @var $db dbal_mysql
	 */
    //check to see if JFusion is not active
    global $JFusionActive, $db, $user, $phpbb_root_path, $phpEx;
    if (empty($JFusionActive)) {
	    $joomla = startJoomla();

        //backup phpbb globals
	    $joomla->backupGlobal();

        //define that the phpBB3 JFusion plugin needs to be excluded
	    $joomla->setActivePlugin('JFUSION_JNAME');

	    $joomla->logout();

        $link = null;
        if (FORCE_REDIRECT_AFTER_LOGOUT) {
            //redirect to prevent fatal errors on some servers
            $uri = JURI::getInstance();
            //remove sid from URL
            $query = $uri->getQuery(true);
            if (isset($query['sid'])) {
                unset($query['sid']);
            }
            $uri->setQuery($query);
            //add a variable to ensure refresh
            $link = $uri->toString();
        }

        //recreate phpBB database connection
        $dbhost = $dbuser = $dbpasswd = $dbname = $dbport = null;
        include $phpbb_root_path . 'config.' . $phpEx;
        $db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false);
        unset($dbpasswd);

        if (FORCE_REDIRECT_AFTER_LOGOUT) {
            //clear the session
            if ($data['user_id'] != ANONYMOUS)
            {
                // Delete existing session, update last visit info first!
                if (!isset($data['session_time']))
                {
                    $data['session_time'] = time();
                }

                $sql = 'UPDATE ' . USERS_TABLE . '
                    SET user_lastvisit = ' . (int) $data['session_time'] . '
                    WHERE user_id = ' . (int) $data['user_id'];
                $db->sql_query($sql);

                if ($user->cookie_data['k'])
                {
                    $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . '
                        WHERE user_id = ' . (int) $data['user_id'] . "
                            AND key_id = '" . $db->sql_escape(md5($user->cookie_data['k'])) . "'";
                    $db->sql_query($sql);
                }

                // Reset the data array
                $data = array();

                $sql = 'SELECT *
                    FROM ' . USERS_TABLE . '
                    WHERE user_id = ' . ANONYMOUS;
                $result = $db->sql_query($sql);
                $data = $db->sql_fetchrow($result);
                $db->sql_freeresult($result);
            }

            $cookie_expire = $user->time_now - 31536000;
            $user->set_cookie('u', '', $cookie_expire);
            $user->set_cookie('k', '', $cookie_expire);
            $user->set_cookie('sid', '', $cookie_expire);
            unset($cookie_expire);

            header('Location: ' . $link);
            exit();
        }
        //backup phpbb globals
	    $joomla->restoreGlobal();
    }
}

/**
 * @return JFusionAPIInternal
 */
function startJoomla() {
    define('_JFUSIONAPI_INTERNAL', true);
    require_once 'JFUSION_PATH' . DIRECTORY_SEPARATOR  . 'jfusionapi.php';
	return JFusionAPIInternal::getInstance();
}