Location: PHPKode > projects > SWG Resource Tracker > distro/upload/authentication.php
<?php
/*
 *	SWG Resource Tracker
 *	Copyright (C) 2004 Enigma
 *
 *	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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

	function validateSession()
	{
		global $baseurl, $DB;
		
		$login = "";
	
		if (isset($_SESSION['rtusername']) && isset($_SESSION['rtpassword']))
		{
			$username = $_SESSION['rtusername'];
			$password = $_SESSION['rtpassword'];
			
			$query = "SELECT `id`, `enabled` FROM `users` WHERE `name`='{$username}' && `password`='{$password}'";
			$DB->query($query);
			
			if ($DB->rowCount() != 1)
			{
				$login = "Unable to validate session <a href=\"{$baseurl}?act=login\">(Login)</a>";
				setcookie("rtusername", "", time() - 3600, "/");
				setcookie("rtpassword", "", time() - 3600, "/");
			}
			else
			{
				$result = $DB->fetchAssoc();
				
				if ($result['enabled'] == 1)
				{
					define("USERID", $result['id']);
					$query = "UPDATE `users` SET `lastvisit`=NOW(), `register`=`register` WHERE `id`=" . USERID;
					$DB->query($query);
				}
				else
				{
					$login = "Account has been disabled";
					setcookie("rtusername", "", time() - 3600, "/");
					setcookie("rtpassword", "", time() - 3600, "/");
				}
			}
		}
		else
		{
			$login = "Session has expired";
		}
		
		return $login;
	}
	
	function doLogin()
	{
		global $baseurl, $DB;
		
		$login = "";
		
		if (isset($_REQUEST['rtusername']) && isset($_REQUEST['rtpassword']))
		{
			$username = $_REQUEST['rtusername'];
			$password = $_REQUEST['rtpassword'];
			
			$username = ereg_replace("[^a-zA-Z0-9!@#\$%\^&*\(\)\-\_\+\=]", "", $username);
			$password = ereg_replace("[^a-zA-Z0-9!@#\$%\^&*\(\)\-\_\+\=]", "", $password);
			
			$query = "SELECT `id`, `enabled` FROM `users` WHERE `name`='{$username}' && `password`='{$password}'";
			$DB->query($query);
			
			if ($DB->rowCount() != 1)
			{
				$login = "Unable to validate account <a href=\"{$baseurl}?act=login\">(Login)</a>";
				setcookie("rtusername", "", time() - 3600, "/");
				setcookie("rtpassword", "", time() - 3600, "/");
			}
			else
			{
				$result = $DB->fetchAssoc();
				
				if ($result['enabled'] == 1)
				{
					$_SESSION['rtusername'] = $username;
					$_SESSION['rtpassword'] = $password;
					
					define("USERID", $result['id']);
					$query = "UPDATE `users` SET `lastvisit`=NOW(), `register`=`register` WHERE `id`=" . USERID;
					$DB->query($query);
				}
				else
				{
					$login = "Account has been disabled";
					setcookie("rtusername", "", time() - 3600, "/");
					setcookie("rtpassword", "", time() - 3600, "/");
				}
			}
		}
		else
		{
			$login = "Not Logged In <a href=\"{$baseurl}?act=login\">(Login)</a>";
		}
		
		return $login;
	}
	
	function doLogout()
	{
		global $baseurl;
		
		$_SESSION['rtusername'] = "";
		$_SESSION['rtpassword'] = "";
		
		unset($_SESSION['rtusername']);
		unset($_SESSION['rtpassword']);
		
		setcookie("rtusername", "", time() - 3600, "/");
		setcookie("rtpassword", "", time() - 3600, "/");
		
		header("Location: {$baseurl}");
		die();
	}
	
	function sessionUsername()
	{
		return $_SESSION['rtusername'];
	}
?>
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