Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/online/online_hidden1.php

119 lines
3.5 KiB

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
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.
See the GNU General Public License for more details.
Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* Hidden frame that refreshes the visible frames when a modification occurs
*
* @author Olivier Brouckaert
* @package dokeos.online
==============================================================================
*/
define('FRAME','hidden1');
// name of the language file that needs to be included
$language_file='chat';
include('../inc/global.inc.php');
$this_section=SECTION_COURSES;
$tbl_user=Database::get_main_table(TABLE_MAIN_USER);
$tbl_online_connected=Database::get_course_table(TABLE_ONLINE_CONNECTED);
$query="SELECT username FROM $tbl_user WHERE user_id='".$_user['user_id']."'";
$result=api_sql_query($query,__FILE__,__LINE__);
list($pseudoUser)=mysql_fetch_row($result);
$isAllowed=(empty($pseudoUser) || !$_cid)?false:true;
$isMaster=$is_courseAdmin?true:false;
if(!$isAllowed)
{
exit();
}
$dateNow=date('Y-m-d');
$documentPath=api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
$onlinePath=$documentPath.'online_files/';
$chat_size_old=intval($_POST['chat_size_old']);
$chat_size_new=filesize($onlinePath.'messages-'.$dateNow.'.log');
$query="REPLACE INTO $tbl_online_connected (user_id,last_connection) VALUES('".$_user['user_id']."',NOW())";
api_sql_query($query,__FILE__,__LINE__);
$query="SELECT COUNT(user_id) FROM $tbl_online_connected WHERE last_connection>'".date('Y-m-d H:i:s',time()-60*5)."'";
$result=api_sql_query($query,__FILE__,__LINE__);
$connected_old=intval($_POST['connected_old']);
list($connected_new)=mysql_fetch_row($result);
$streaming_old=$_POST['streaming_old'];
$streaming_new=md5(print_r(@file($onlinePath.'streaming.txt'),true));
if($isMaster)
{
$document=trim(stripslashes($_POST['document']));
if(strstr($document,'online_htmlarea.php'))
{
$document.='?size='.filesize($onlinePath.'htmlarea.html');
}
$fp=fopen($onlinePath.'document_selected.txt','w');
if(empty($document))
{
fputs($fp,api_get_path(WEB_CODE_PATH).'online/online_working_area.php');
}
else
{
fputs($fp,$document);
}
fclose($fp);
}
else
{
if(!list($document)=file($onlinePath.'document_selected.txt'))
{
$document=api_get_path(WEB_CODE_PATH).'online/online_working_area.php';
}
}
include('header_frame.inc.php');
?>
<form name="formHidden" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input type="hidden" name="document" value="<?php echo htmlentities($document); ?>">
<input type="hidden" name="chat_size_old" value="<?php echo $chat_size_new; ?>">
<input type="hidden" name="connected_old" value="<?php echo $connected_new; ?>">
<input type="hidden" name="streaming_old" value="<?php echo $streaming_new; ?>">
</form>
<?php
include('footer_frame.inc.php');
?>