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409 lines
12 KiB
409 lines
12 KiB
<?php
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/**
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==============================================================================
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* It is recommended that ALL dokeos scripts include this important file.
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* This script manages
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* - http get, post, post_files, session, server-vars extraction into global namespace;
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* (which doesn't occur anymore when servertype config setting is set to test,
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* and which will disappear completely in Dokeos 1.6.1)
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* - include of /conf/configuration.php and /lib/main_api.lib.php;
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* - selecting the main database;
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* - include of language files.
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*
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* @package dokeos.include
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* @todo isn't configuration.php renamed to configuration.inc.php yet?
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* @todo use the $_configuration array for all the needed variables
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* @todo remove the code that displays the button that links to the install page
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* but use a redirect immediately. By doing so the $already_installed variable can be removed.
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* @todo make it possible to enable / disable the tracking through the Dokeos config page.
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*
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==============================================================================
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*/
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// Determine the directory path where this current file lies
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// This path will be useful to include the other intialisation files
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$includePath = dirname(__FILE__);
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// @todo isn't this file renamed to configuration.inc.php yet?
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// include the main Dokeos platform configuration file
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$main_configuration_file_path = $includePath . "/conf/configuration.php";
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$already_installed = false;
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if(file_exists($main_configuration_file_path))
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{
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require_once($main_configuration_file_path);
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$already_installed = true;
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}
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// include the main Dokeos platform library file
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require_once($includePath.'/lib/main_api.lib.php');
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// Start session
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api_session_start($already_installed);
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if (!$already_installed)
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{
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require('installedVersion.inc.php');
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$error_message = <<<EOM
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<title>Dokeos not installed!</title>
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<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "main/css/default/default.css";
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/*]]>*/
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</style>
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</head>
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<body>
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<div id="header">
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<div id="header1"><a href="http://www.dokeos.com">Dokeos Homepage</a></div>
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<div class="clear"></div>
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<div id="header2"> </div>
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<div id="header3"> </div>
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</div>
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<div style="text-align: center;"><br /><br />
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<form action="main/install/index.php" method="get"><input type="submit" value=" Click to INSTALL DOKEOS " /></form><br />
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or <a href="installation_guide.html" target="_blank">read the installation guide</a><br /><br />
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</div>
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<div id="footer">
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<div class="copyright">Platform <a href="http://www.dokeos.com"> Dokeos $dokeos_version</a> © 2006 </div>
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</div>
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</body>
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</html>
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EOM;
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die($error_message);
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}
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// Add the path to the pear packages to the include path
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ini_set('include_path',ini_get('include_path').PATH_SEPARATOR.api_get_path(LIBRARY_PATH).'pear');
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// Include the libraries that are necessary everywhere
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require_once(api_get_path(LIBRARY_PATH).'database.lib.php');
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require_once(api_get_path(LIBRARY_PATH).'display.lib.php');
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require_once(api_get_path(LIBRARY_PATH).'text.lib.php');
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// @todo: this shouldn't be done here. It should be stored correctly during installation
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if(empty($_configuration['statistics_database']) && $already_installed)
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{
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$_configuration['statistics_database'] = $_configuration['main_database'];
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}
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// connect to the server database and select the main dokeos database
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$dokeos_database_connection = @mysql_connect($_configuration['db_host'], $_configuration['db_user'], $_configuration['db_password']) or die ($error_message);
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if (! $_configuration['db_host'])
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{
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die($error_message);
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}
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unset($error_message);
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$selectResult = mysql_select_db($_configuration['main_database'],$dokeos_database_connection) or die ('<center>WARNING ! SYSTEM UNABLE TO SELECT THE MAIN DOKEOS DATABASE</center>');
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/*
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--------------------------------------------
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RETRIEVING ALL THE DOKEOS CONFIG SETTINGS
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--------------------------------------------
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*/
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$sql="SELECT * FROM settings_current";
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$result=mysql_query($sql) or die(mysql_error());
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while ($row=mysql_fetch_array($result))
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{
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if ($row['subkey']==NULL)
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{
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$_setting[$row['variable']]=$row['selected_value'];
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}
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else
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{
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$_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
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}
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}
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// we have to store the settings for the plugins differently because it expects an array
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$sql="SELECT * FROM settings_current WHERE category='plugins'";
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$result=mysql_query($sql) or die(mysql_error());
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$_plugins=array();
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while ($row=mysql_fetch_array($result))
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{
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$key= $row['variable'];
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if (is_string($_setting[$key]))
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{
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$_setting[$key]=array();
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}
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$_setting[$key][]=$row['selected_value'];
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$_plugins[$key][]=$row['selected_value'];
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}
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// include the local (contextual) parameters of this course or section
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require($includePath."/local.inc.php");
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// ===== "who is logged in?" module section =====
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include_once($includePath."/lib/online.inc.php");
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// check and modify the date of user in the track.e.online table
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if (!$x=strpos($_SERVER['PHP_SELF'],'whoisonline.php'))
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{
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LoginCheck(isset($_user['user_id']) ? $_user['user_id'] : '',$_configuration['statistics_database']);
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}
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// ===== end "who is logged in?" module section =====
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if(get_setting('server_type') == 'test')
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{
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/*
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--------------------------------------------
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Server type is test
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- high error reporting level
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- only do addslashes on $_GET and $_POST
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--------------------------------------------
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*/
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error_reporting(E_ALL & ~E_NOTICE);
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//error_reporting(E_ALL);
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//Addslashes to all $_GET variables
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foreach($_GET as $key=>$val)
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{
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if(!ini_get('magic_quotes_gpc'))
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{
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if(is_string($val))
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{
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$_GET[$key]=addslashes($val);
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}
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}
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}
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//Addslashes to all $_POST variables
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foreach($_POST as $key=>$val)
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{
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if(!ini_get('magic_quotes_gpc'))
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{
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if(is_string($val))
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{
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$_POST[$key]=addslashes($val);
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}
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}
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}
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}
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else
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{
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/*
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--------------------------------------------
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Server type is not test
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- normal error reporting level
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- full fake register globals block
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--------------------------------------------
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*/
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error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
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if(!isset($HTTP_GET_VARS)) { $HTTP_GET_VARS=$_GET; }
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if(!isset($HTTP_POST_VARS)) { $HTTP_POST_VARS=$_POST; }
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if(!isset($HTTP_POST_FILES)) { $HTTP_POST_FILES=$_FILES; }
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if(!isset($HTTP_SESSION_VARS)) { $HTTP_SESSION_VARS=$_SESSION; }
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if(!isset($HTTP_SERVER_VARS)) { $HTTP_SERVER_VARS=$_SERVER; }
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/*
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// Register GET variables into $GLOBALS
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if(sizeof($HTTP_GET_VARS))
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{
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$_GET=array();
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foreach($HTTP_GET_VARS as $key=>$val)
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{
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if(!ini_get('magic_quotes_gpc'))
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{
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if(is_string($val))
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{
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$HTTP_GET_VARS[$key]=addslashes($val);
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}
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}
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$_GET[$key]=$HTTP_GET_VARS[$key];
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if(!isset($_SESSION[$key]) && $key != 'includePath' && $key != 'rootSys' && $key!= 'clarolineRepositorySys' && $key!= 'lang_path' && $key!= 'extAuthSource' && $key!= 'thisAuthSource' && $key!= 'main_configuration_file_path' && $key!= 'phpDigIncCn' && $key!= 'drs')
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{
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$GLOBALS[$key]=$HTTP_GET_VARS[$key];
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}
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}
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}
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// Register POST variables into $GLOBALS
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if(sizeof($HTTP_POST_VARS))
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{
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$_POST=array();
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foreach($HTTP_POST_VARS as $key=>$val)
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{
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if(!ini_get('magic_quotes_gpc'))
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{
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if(is_string($val))
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{
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$HTTP_POST_VARS[$key]=addslashes($val);
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}
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}
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$_POST[$key]=$HTTP_POST_VARS[$key];
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if(!isset($_SESSION[$key]) && $key != 'includePath' && $key != 'rootSys' && $key!= 'clarolineRepositorySys' && $key!= 'lang_path' && $key!= 'extAuthSource' && $key!= 'thisAuthSource' && $key!= 'main_configuration_file_path' && $key!= 'phpDigIncCn' && $key!= 'drs')
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{
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$GLOBALS[$key]=$HTTP_POST_VARS[$key];
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}
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}
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}
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if(sizeof($HTTP_POST_FILES))
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{
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$_FILES=array();
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foreach($HTTP_POST_FILES as $key=>$val)
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{
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$_FILES[$key]=$HTTP_POST_FILES[$key];
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if(!isset($_SESSION[$key]) && $key != 'includePath' && $key != 'rootSys' && $key!= 'clarolineRepositorySys' && $key!= 'lang_path' && $key!= 'extAuthSource' && $key!= 'thisAuthSource' && $key!= 'main_configuration_file_path' && $key!= 'phpDigIncCn' && $key!= 'drs')
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{
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$GLOBALS[$key]=$HTTP_POST_FILES[$key];
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}
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}
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}
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*/
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// Register SESSION variables into $GLOBALS
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if(sizeof($HTTP_SESSION_VARS))
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{
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if(!is_array($_SESSION))
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{
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$_SESSION=array();
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}
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foreach($HTTP_SESSION_VARS as $key=>$val)
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{
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$_SESSION[$key]=$HTTP_SESSION_VARS[$key];
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$GLOBALS[$key]=$HTTP_SESSION_VARS[$key];
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}
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}
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// Register SERVER variables into $GLOBALS
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if(sizeof($HTTP_SERVER_VARS))
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{
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$_SERVER=array();
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foreach($HTTP_SERVER_VARS as $key=>$val)
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{
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$_SERVER[$key]=$HTTP_SERVER_VARS[$key];
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if(!isset($_SESSION[$key]) && $key != 'includePath' && $key != 'rootSys' && $key!= 'clarolineRepositorySys' && $key!= 'lang_path' && $key!= 'extAuthSource' && $key!= 'thisAuthSource' && $key!= 'main_configuration_file_path' && $key!= 'phpDigIncCn' && $key!= 'drs')
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{
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$GLOBALS[$key]=$HTTP_SERVER_VARS[$key];
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}
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}
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}
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}
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/*
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-----------------------------------------------------------
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LOAD LANGUAGE FILES SECTION
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-----------------------------------------------------------
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*/
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// if we use the javascript version (without go button) we receive a get
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// if we use the non-javascript version (with the go button) we receive a post
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$user_language = $_GET["language"];
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if ($_POST["language_list"])
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{
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$user_language = str_replace("index.php?language=","",$_POST["language_list"]);
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}
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// Checking if we have a valid language. If not we set it to the platform language.
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$valid_languages=api_get_languages();
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if (!in_array($user_language,$valid_languages['folder']))
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{
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$user_language=get_setting('platformLanguage');
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}
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if (in_array($user_language,$valid_languages['folder']) and (isset($_GET['language']) OR isset($_POST['language_list'])))
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{
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$user_selected_language = $user_language; // $_GET["language"];
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$_SESSION["user_language_choice"] = $user_selected_language;
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$platformLanguage = $user_selected_language;
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}
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if (isset($_SESSION["user_language_choice"]))
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{
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$language_interface = $_SESSION["user_language_choice"];
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}
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else
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{
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$language_interface = get_setting('platformLanguage');
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}
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if (isset($_user['language']))
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{
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$language_interface = $_user['language'];
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}
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if ($_course['language'])
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{
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$language_interface = $_course['language'];
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}
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/*
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* Include all necessary language files
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* - trad4all
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* - notification
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* - custom tool language files
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*/
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$language_files = array();
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$language_files[] = 'trad4all';
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$language_files[] = 'notification';
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if( isset($language_file) )
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{
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if( !is_array($language_file))
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{
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$language_files[] = $language_file;
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}
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else
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{
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$language_files = array_merge($language_files,$language_file);
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}
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}
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// Include all files (first english and then current interface language)
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foreach($language_files as $index => $language_file)
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{
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include(api_get_path(SYS_CODE_PATH).'lang/english/'.$language_file.'.inc.php');
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include(api_get_path(SYS_CODE_PATH).'lang/'.$language_interface.'/'.$language_file.'.inc.php');
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}
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//Update of the logout_date field in the table track_e_login (needed for the calculation of the total connection time)
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$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
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$sql_last_connection="SELECT login_id, login_date FROM $tbl_track_login WHERE login_user_id='".$_user["user_id"]."' ORDER BY login_date DESC LIMIT 0,1";
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$q_last_connection=mysql_query($sql_last_connection);
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$i_id_last_connection=mysql_result($q_last_connection,0,"login_id");
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$s_sql_update_logout_date="UPDATE $tbl_track_login SET logout_date=NOW() WHERE login_id='$i_id_last_connection'";
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api_sql_query($s_sql_update_logout_date);
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?>
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