<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

class UserFilter extends FAPreFilter 
{
	function execute(&$reg, &$req, &$resp) 
	{
		$session = &$reg->get('session');
		$uid = &$session->get('k4_user_id');
		$finder = &$this->getFinder('users');
		
		if ($uid == NULL) 
		{
			$spiders = &$this->getFinder('spiders');
			$spider = &$spiders->findBy('useragent', $_SERVER['HTTP_USER_AGENT']);
			
			$users = &$this->getFinder('users');
			
			if ($spider != NULL) 
			{
				if ($spider->get('allowaccess') != 0) 
				{
					$user = &new k4Spider($spider->getArray());
				} 
				else 
				{
					$user = &new k4BannedSpider();
				}
			} 
			else 
			{
				$user = &$finder->find(K4_GUEST_ID);
			}
		} 
		else 
		{
			$user = &$finder->find($uid);
		}
		
		if ($req->get('k4_guest_name') && !$user->isMember() && $user->get('name') != $req->get('k4_guest_name')) 
		{
			$session->set('k4_guest_name', $req->get('k4_guest_name'));
		}
	
		if ($session->get('k4_guest_name') && !$user->isMember()) 
		{
			$user->set('name', $session->get('k4_guest_name'));
		}
		
		if ($user) 
		{
			$session->set('k4_user_id', $user->getId());
			$reg->set('user', $user);
	
			$resp->assignRef('k4_user', $user);
			$resp->assignRef('k4_is_member', intval($user->isMember()));
		} 
		else 
		{
			$session->clear();
		}
	}
}

?>