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653 lines
20 KiB
653 lines
20 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;
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* - include of several libraries: main_api, database, display, text, security;
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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 $already_installed variable can be removed.
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* @todo make it possible to enable / disable the tracking through the Dokeos config page.
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*
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==============================================================================
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*/
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// PHP version check
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if ( !function_exists('version_compare') || version_compare( phpversion(), '5', '<' ) )
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{
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$error_message_php_version = <<<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>Wrong PHP version!</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "main/css/public_admin/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" target="_blank">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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The version of scripting language on your server is wrong. Your server has to support PHP 5.x.x .<br />
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<a href="documentation/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" target="_blank"> Dokeos </a> © 2009 </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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header('Content-Type: text/html; charset=UTF-8');
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die($error_message_php_version);
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}
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if (!function_exists('mb_strlen'))
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{
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$error_message_mbstring = <<<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>PHP extension "mbstring" has not been installed!</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "main/css/public_admin/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" target="_blank">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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The Dokeos system needs PHP extension <strong>mbstring</strong> to be installed.<br />
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See <a href="http://php.net/manual/en/mbstring.installation.php" target="_blank">http://php.net/manual/en/book.mbstring.php</a> for more information<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" target="_blank"> Dokeos </a> © 2009 </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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header('Content-Type: text/html; charset=UTF-8');
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die($error_message_mbstring);
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}
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// Determine the directory path where this current file lies
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// This path will be useful to include the other intialisation files
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$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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$already_installed = true;
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}
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else
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{
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$_configuration = array();
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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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//fix bug in IIS that doesn't fill the $_SERVER['REQUEST_URI']
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api_request_uri();
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// Start session
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api_session_start($already_installed);
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$error_message_not_installed = <<<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 has been not installed!</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "main/css/public_admin/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" target="_blank">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"><button class="save" type="submit" value=" Click to INSTALL DOKEOS " >Click to INSTALL DOKEOS</button></form><br />
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or <a href="documentation/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" target="_blank"> Dokeos </a> © 2009 </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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$error_message_db_problem = <<<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 database unavailable!</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<style type="text/css" media="screen, projection">
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/*<![CDATA[*/
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@import "main/css/public_admin/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" target="_blank">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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EOM;
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$error_message_db_problem .= '
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<div style="text-align: center; font-size: large; margin-bottom: 2em;"><br /><br />
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This portal is currently experiencing database issues. Please report this to the portal administrator. Thank you for your help.</a>
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</div>
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<div id="footer">
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<div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> © 2009 </div>
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</div>
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</body>
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</html>';
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if (!$already_installed)
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{
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header('Content-Type: text/html; charset=UTF-8');
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//require('installedVersion.inc.php');
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die($error_message_not_installed);
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}
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//Assigning a variable to avoid several useless calls to the database setting.
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// Do not over-user. This is only for this script's local use.
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$lib_path = api_get_path(LIBRARY_PATH);
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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.$lib_path.'pear');
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ini_set('include_path', api_create_include_path_setting());
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// This is for compatibility with MAC computers.
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ini_set('auto_detect_line_endings', '1');
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// Include the libraries that are necessary everywhere
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require_once($lib_path.'database.lib.php');
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require_once($lib_path.'display.lib.php');
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require_once($lib_path.'text.lib.php');
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require_once($lib_path.'security.lib.php');
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require_once($lib_path.'events.lib.inc.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_db_problem);
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if (! $_configuration['db_host'])
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{
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die($error_message_db_problem);
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}
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unset($error_message_db_problem);
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unset($error_message_not_installed);
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// The Dokeos system has not been designed to use special SQL modes that were introduced since MySQL 5
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api_sql_query("set session sql_mode='';", __FILE__, __LINE__);
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$selectResult = mysql_select_db($_configuration['main_database'],$dokeos_database_connection) or die ('<center>WARNING ! SYSTEM UNABLE TO SELECT THE MAIN DOKEOS DATABASE</center>');
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/*
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--------------------------------------------
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Initialization of the default encodings
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--------------------------------------------
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*/
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// The platform's character set must be retrieved at this early moment.
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$sql = "SELECT selected_value FROM settings_current WHERE variable = 'platform_charset';";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = @mysql_fetch_array($result)) {
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$charset = $row[0];
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}
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if (empty($charset)) {
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$charset = "ISO-8859-15";
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}
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// Preserving the value of the global variable $charset.
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$charset_initial_value = $charset;
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// Initialization of the default encoding that will be used by the string routines.
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api_set_default_encoding($charset);
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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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if(!empty($_configuration['multiple_access_urls']))
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{
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$_configuration['access_url'] = 1;
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$access_urls = api_get_access_urls();
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$protocol = ((!empty($_SERVER['HTTPS']) && strtoupper($_SERVER['HTTPS'])!='OFF')?'https':'http').'://';
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$request_url1 = $protocol.$_SERVER['SERVER_NAME'].'/';
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$request_url2 = $protocol.$_SERVER['HTTP_HOST'].'/';
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foreach($access_urls as $details)
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{
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if($request_url1 == $details['url'] or $request_url2 == $details['url'])
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{
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$_configuration['access_url'] = $details['id'];
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}
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}
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}
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else
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{
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$_configuration['access_url'] = 1;
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}
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//$sql="SELECT * FROM settings_current";
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//$result=mysql_query($sql) or die(mysql_error());
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// access_url == 1 is the default dokeos location
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if ($_configuration['access_url']!=1)
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{
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$url_info = api_get_access_url($_configuration['access_url']);
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if ($url_info['active']==1)
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{
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$settings_by_access = api_get_settings(null,'list',$_configuration['access_url'],1);
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foreach($settings_by_access as $row)
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{
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if (empty($row['variable']))
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$row['variable']=0;
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if (empty($row['subkey']))
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$row['subkey']=0;
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if (empty($row['category']))
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$row['category']=0;
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$settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = $row;
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}
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}
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}
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//echo '<pre>';print_r($result_other_site);
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$result = api_get_settings(null,'list',1);
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//while ($row=mysql_fetch_array($result))
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foreach($result as $row)
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{
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if ($_configuration['access_url']!=1)
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{
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if ($url_info['active']==1)
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{
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if (empty($row['variable']))
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$var=0;
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else
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$var=$row['variable'];
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if (empty($row['subkey']))
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$subkey=0;
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else
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$subkey=$row['subkey'];
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if (empty($row['category']))
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$category=0;
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else
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$category=$row['category'];
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}
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if ($row['access_url_changeable']==1 && $url_info['active']==1)
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{
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if ($settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'] !='')
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{
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if ($row['subkey']==NULL)
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{
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$_setting[$row['variable']]= $settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
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}
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else
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{
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$_setting[$row['variable']][$row['subkey']]=$settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
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}
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}
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else
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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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}
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else
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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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}
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else
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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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}
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//echo '<pre>';print_r($_setting);echo '</pre>';
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// we have to store the settings for the plugins differently because it expects an array
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//$sql="SELECT * FROM settings_current WHERE category='plugins'";
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//$result=mysql_query($sql) or die(mysql_error());
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$result = api_get_settings('Plugins','list',$_configuration['access_url']);
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$_plugins=array();
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//while ($row=mysql_fetch_array($result))
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foreach($result as $row)
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{
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$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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//load array Kses for Htmlpurifier
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require_once $includePath."/lib/formvalidator/Rule/allowed_tags.inc.php";
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//load htmpurifier
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require_once $includePath."/lib/htmlpurifier/library/HTMLPurifier.auto.php";
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// include the local (contextual) parameters of this course or section
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require($includePath."/local.inc.php");
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// ===== "who is logged in?" module section =====
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require_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(api_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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// 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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$_SERVER=array();
|
|
foreach($HTTP_SERVER_VARS as $key=>$val)
|
|
{
|
|
$_SERVER[$key]=$HTTP_SERVER_VARS[$key];
|
|
|
|
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')
|
|
{
|
|
$GLOBALS[$key]=$HTTP_SERVER_VARS[$key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
-----------------------------------------------------------
|
|
LOAD LANGUAGE FILES SECTION
|
|
-----------------------------------------------------------
|
|
*/
|
|
|
|
// if we use the javascript version (without go button) we receive a get
|
|
// if we use the non-javascript version (with the go button) we receive a post
|
|
$user_language = '';
|
|
if(!empty($_GET['language']))
|
|
{
|
|
$user_language = $_GET["language"];
|
|
}
|
|
|
|
if (!empty($_POST["language_list"]))
|
|
{
|
|
$user_language = str_replace("index.php?language=","",$_POST["language_list"]);
|
|
}
|
|
|
|
// Checking if we have a valid language. If not we set it to the platform language.
|
|
$valid_languages=api_get_languages();
|
|
if (!in_array($user_language,$valid_languages['folder']))
|
|
{
|
|
$user_language=api_get_setting('platformLanguage');
|
|
}
|
|
|
|
if (in_array($user_language,$valid_languages['folder']) and (isset($_GET['language']) OR isset($_POST['language_list'])))
|
|
{
|
|
$user_selected_language = $user_language; // $_GET["language"];
|
|
$_SESSION["user_language_choice"] = $user_selected_language;
|
|
$platformLanguage = $user_selected_language;
|
|
}else{
|
|
$platformLanguage = api_get_setting('platformLanguage');
|
|
}
|
|
|
|
|
|
if (isset($_SESSION["user_language_choice"]))
|
|
{
|
|
$language_interface = $_SESSION["user_language_choice"];
|
|
}
|
|
else
|
|
{
|
|
$language_interface = api_get_setting('platformLanguage');
|
|
}
|
|
|
|
if (isset($_user['language']))
|
|
{
|
|
$language_interface = $_user['language'];
|
|
}
|
|
|
|
if ($_course['language'])
|
|
{
|
|
$language_interface = $_course['language'];
|
|
}
|
|
|
|
// Sometimes the variable $language_interface is changed
|
|
// temporarily for achieving translation in different language.
|
|
// We need to save the genuine value of this variable and
|
|
// to use it within the function get_lang(...).
|
|
$language_interface_initial_value = $language_interface;
|
|
|
|
// Initialization the default ICU locale id based in the current interface language.
|
|
api_set_default_locale(api_get_locale_from_language($language_interface));
|
|
|
|
/*
|
|
* Include all necessary language files
|
|
* - trad4all
|
|
* - notification
|
|
* - custom tool language files
|
|
*/
|
|
$language_files = array();
|
|
$language_files[] = 'trad4all';
|
|
$language_files[] = 'notification';
|
|
$language_files[] = 'accessibility';
|
|
if( isset($language_file) )
|
|
{
|
|
if( !is_array($language_file))
|
|
{
|
|
$language_files[] = $language_file;
|
|
}
|
|
else
|
|
{
|
|
$language_files = array_merge($language_files,$language_file);
|
|
}
|
|
}
|
|
// Include all files (first english and then current interface language)
|
|
$langpath = api_get_path(SYS_CODE_PATH).'lang/';
|
|
|
|
if (is_array($language_files)) {
|
|
if (api_get_setting('allow_use_sub_language')=='true') {
|
|
foreach ($language_files as $index => $language_file) {
|
|
include $langpath.'english/'.$language_file.'.inc.php';
|
|
$langfile = $langpath.$language_interface.'/'.$language_file.'.inc.php';
|
|
|
|
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
|
|
$sql_sub_language='SELECT dokeos_folder FROM '.$tbl_admin_languages.' WHERE parent_id=(SELECT id FROM '.$tbl_admin_languages.' WHERE dokeos_folder="'.Database::escape_string($language_interface).'" AND ISNULL(parent_id))';
|
|
$rs_sub_language=Database::query($sql_sub_language,__FILE__,__LINE__);
|
|
$row_sub_language=Database::result($rs_sub_language,0,'dokeos_folder');
|
|
|
|
$sub_langfile = $langpath.$row_sub_language.'/'.$language_file.'.inc.php';
|
|
|
|
if (file_exists($langfile)) {
|
|
include $langfile;
|
|
if (file_exists($sub_langfile)) {
|
|
include $sub_langfile;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($language_files as $index => $language_file) {
|
|
include $langpath.'english/'.$language_file.'.inc.php';
|
|
$langfile = $langpath.$language_interface.'/'.$language_file.'.inc.php';
|
|
if (file_exists($langfile)) {
|
|
include $langfile;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// The global variable $charset has been defined in a language file too (trad4all.inc.php), this is legacy situation.
|
|
// So, we have to reassign this variable again in order to keep its value right.
|
|
$charset = $charset_initial_value;
|
|
|
|
//Update of the logout_date field in the table track_e_login (needed for the calculation of the total connection time)
|
|
|
|
if($_configuration['tracking_enabled'] && !isset($_SESSION['login_as']) && isset($_user))
|
|
{ // if $_SESSION['login_as'] is set, then the user is an admin logged as the user
|
|
|
|
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
|
|
|
|
$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";
|
|
|
|
$q_last_connection=api_sql_query($sql_last_connection);
|
|
if(Database::num_rows($q_last_connection) > 0)
|
|
{
|
|
$i_id_last_connection=Database::result($q_last_connection,0,"login_id");
|
|
$s_sql_update_logout_date="UPDATE $tbl_track_login SET logout_date=NOW() WHERE login_id='$i_id_last_connection'";
|
|
api_sql_query($s_sql_update_logout_date);
|
|
}
|
|
|
|
}
|
|
?>
|
|
|