<?php


/**


* This file has been modified by Vincent Cheah, ByOS Technologies 2008-02-27 12:07 


* for integration with JACLPlus Component 


*/


/**


* @version $Id: index.php 10041 2008-02-15 21:48:13Z eddieajau $


* @package Joomla


* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.


* @license http://www.gnu.org/copyleft/gpl.html 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.


*/





// Set flag that this is a parent file


define( '_VALID_MOS', 1 );





if (!file_exists( '../configuration.php' )) {


	header( 'Location: ../installation/index.php' );


	exit();


}





require( '../globals.php' );


require( '../configuration.php' );





// SSL check - $http_host returns <live site url>:<port number if it is 443>


$http_host = explode(':', $_SERVER['HTTP_HOST'] );


if( (!empty( $_SERVER['HTTPS'] ) && strtolower( $_SERVER['HTTPS'] ) != 'off' || isset( $http_host[1] ) && $http_host[1] == 443) && substr( $mosConfig_live_site, 0, 8 ) != 'https://' ) {


	$mosConfig_live_site = 'https://'.substr( $mosConfig_live_site, 7 );


}





require_once( '../includes/joomla.php' );


include_once ( $mosConfig_absolute_path . '/language/'. $mosConfig_lang .'.php' );





//Installation sub folder check, removed for work with SVN


if (file_exists( '../installation/index.php' ) && $_VERSION->SVN == 0) {


	define( '_INSTALL_CHECK', 1 );


	include ($mosConfig_absolute_path .'/offline.php');


	exit();


}





$option = strtolower( strval( mosGetParam( $_REQUEST, 'option', NULL ) ) );





// mainframe is an API workhorse, lots of 'core' interaction routines


$mainframe = new mosMainFrame( $database, $option, '..', true );





if (isset( $_POST['submit'] )) {


	$usrname 	= stripslashes( mosGetParam( $_POST, 'usrname', NULL ) );


	$pass 		= stripslashes( mosGetParam( $_POST, 'pass', NULL ) );





	if($pass == NULL) {


		echo "<script>alert('Please enter a password'); document.location.href='index.php?mosmsg=Please enter a password'</script>\n";


		exit();


	}





	$query = "SELECT COUNT(*)"


	. "\n FROM #__users"


	. "\n WHERE ("


	// Administrators


	. "\n gid = 24"


	// Super Administrators


	. "\n OR gid = 25"


	. "\n )"


	;


	$database->setQuery( $query );


	$count = intval( $database->loadResult() );


	if ($count < 1) {


		mosErrorAlert( _LOGIN_NOADMINS );


	}





	$my = null;


	$query = "SELECT u.*, m.*"


	. "\n FROM #__users AS u"


	. "\n LEFT JOIN #__messages_cfg AS m ON u.id = m.user_id AND m.cfg_name = 'auto_purge'"


	. "\n WHERE u.username = " . $database->Quote( $usrname )


	. "\n AND u.block = 0"


	;


	$database->setQuery( $query );


	$database->loadObject( $my );





	/** find the user group (or groups in the future) */


	if (@$my->id) {


		$grp 			= $acl->getAroGroup( $my->id );


		$my->gid 		= $grp->group_id;


		$my->usertype 	= $grp->name;


		if(isset($grp->jaclplus) && class_exists('JACLPlus')) $my->jaclplus	= $grp->jaclplus;





		// Conversion to new type


		if ((strpos($my->password, ':') === false) && $my->password == md5($pass)) {


			// Old password hash storage but authentic ... lets convert it


			$salt = mosMakePassword(16);


			$crypt = md5($pass.$salt);


			$my->password = $crypt.':'.$salt;





			// Now lets store it in the database


			$query = 'UPDATE #__users ' .


					'SET password = '.$database->Quote($my->password) .


					'WHERE id = '.(int)$my->id;


			$database->setQuery($query);


			if (!$database->query()) {


				// This is an error but not sure what to do with it ... we'll still work for now


			}


		}





		list($hash, $salt) = explode(':', $my->password);


		$cryptpass = md5($pass.$salt);





		if ( strcmp( $hash, $cryptpass ) || !$acl->acl_check( 'administration', 'login', 'users', $my->usertype ) ) {


			mosErrorAlert("Incorrect Username, Password, or Access Level.  Please try again", "document.location.href='index.php'");


		}





		// construct Session ID


		$logintime	= time();


		$session_id = md5( $my->id . $my->username . $my->usertype . $logintime );





		session_name( md5( $mosConfig_live_site ) );


		session_id( $session_id );


		session_start();





		// add Session ID entry to DB


		$query = "INSERT INTO #__session"


		. "\n SET time = " . $database->Quote( $logintime ) . ", session_id = " . $database->Quote( $session_id ) . ", userid = " . (int) $my->id . ", usertype = " . $database->Quote( $my->usertype) . ", username = " . $database->Quote( $my->username )


		. ( isset($my->jaclplus) ? ", gid = " . (int) $my->gid . ", jaclplus = " . $database->Quote( $my->jaclplus ) : "" )


		;


		$database->setQuery( $query );


		if (!$database->query()) {


			echo $database->stderr();


		}





		// check if site designated as a production site


		// for a demo site allow multiple logins with same user account


		if ( $_VERSION->SITE == 1 ) {


			// delete other open admin sessions for same account


			$query = "DELETE FROM #__session"


			. "\n WHERE userid = " . (int) $my->id


			. "\n AND username = " . $database->Quote( $my->username )


			. "\n AND usertype = " . $database->Quote( $my->usertype )


			. "\n AND session_id != " . $database->Quote( $session_id )


			// this ensures that frontend sessions are not purged


			. "\n AND guest = 1"


			. ( isset($my->jaclplus) ? "\n AND gid = " . (int) $my->gid : "\n AND gid = 0" )


			;


			$database->setQuery( $query );


			if (!$database->query()) {


				echo $database->stderr();


			}


		}





		$_SESSION['session_id'] 			= $session_id;


		$_SESSION['session_user_id'] 		= $my->id;


		$_SESSION['session_username'] 		= $my->username;


		$_SESSION['session_usertype'] 		= $my->usertype;


		$_SESSION['session_gid'] 			= $my->gid;


		$_SESSION['session_logintime'] 		= $logintime;


		$_SESSION['session_user_params']	= $my->params;


		$_SESSION['session_userstate'] 		= array();


		if(isset($my->jaclplus)) $_SESSION['session_jaclplus'] 	= $my->jaclplus;





		session_write_close();





		$expired = 'index2.php';





		// check if site designated as a production site


		// for a demo site disallow expired page functionality


		if ( $_VERSION->SITE == 1 && @$mosConfig_admin_expired === '1' ) {


			$file 	= $mainframe->getPath( 'com_xml', 'com_users' );


			$params =& new mosParameters( $my->params, $file, 'component' );





			$now 	= time();





			// expired page functionality handling


			$expired 		= $params->def( 'expired', '' );


			$expired_time 	= $params->def( 'expired_time', '' );





			// if now expired link set or expired time is more than half the admin session life set, simply load normal admin homepage


			$checktime = ( $mosConfig_session_life_admin ? $mosConfig_session_life_admin : 1800 ) / 2;


			if (!$expired || ( ( $now - $expired_time ) > $checktime ) ) {


				$expired = 'index2.php';


			}


			// link must also be a Joomla link to stop malicious redirection


			if ( strpos( $expired, 'index2.php?option=com_' ) !== 0 ) {


				$expired = 'index2.php';


			}





			// clear any existing expired page data


			$params->set( 'expired', '' );


			$params->set( 'expired_time', '' );





			// param handling


			if (is_array( $params->toArray() )) {


				$txt = array();


				foreach ( $params->toArray() as $k=>$v) {


					$txt[] = "$k=$v";


				}


				$saveparams = implode( "\n", $txt );


			}





			// save cleared expired page info to user data


			$query = "UPDATE #__users"


			. "\n SET params = " . $database->Quote( $saveparams )


			. "\n WHERE id = " . (int) $my->id


			. "\n AND username = " . $database->Quote( $my->username )


			. "\n AND usertype = " . $database->Quote( $my->usertype )


			;


			$database->setQuery( $query );


			$database->query();


		}





		// check if auto_purge value set


		if ( $my->cfg_name == 'auto_purge' ) {


			$purge 	= $my->cfg_value;


		} else {


		// if no value set, default is 7 days


			$purge 	= 7;


		}


		// calculation of past date


		$past = date( 'Y-m-d H:i:s', time() - $purge * 60 * 60 * 24 );





		// if purge value is not 0, then allow purging of old messages


		if ($purge != 0) {


		// purge old messages at day set in message configuration


			$query = "DELETE FROM #__messages"


			. "\n WHERE date_time < " . $database->Quote( $past )


			. "\n AND user_id_to = " . (int) $my->id


			;


			$database->setQuery( $query );


			if (!$database->query()) {


				echo $database->stderr();


			}


		}





		/** cannot using mosredirect as this stuffs up the cookie in IIS */


		// redirects page to admin homepage by default or expired page


		echo "<script>document.location.href='$expired';</script>\n";


		exit();


	} else {


		mosErrorAlert("Incorrect Username, Password, or Access Level.  Please try again", "document.location.href='index.php?mosmsg=Incorrect Username, Password, or Access Level. Please try again'");


	}


} else {


	initGzip();


	$path = $mosConfig_absolute_path . '/administrator/templates/' . $mainframe->getTemplate() . '/login.php';


	require_once( $path );


	doGzip();


}


?>