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							692 lines
						
					
					
						
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							692 lines
						
					
					
						
							26 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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/**
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 * It is recommended that ALL Chamilo 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 chamilo.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 $already_installed variable can be removed.
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 * @todo make it possible to enable / disable the tracking through the Chamilo config page.
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 *
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 */
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// Showing/hiding error codes in global error messages.
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define('SHOW_ERROR_CODES', false);
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// Determine the directory path where this current file lies.
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// This path will be useful to include the other initialisation files.
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$includePath = __DIR__;
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// @todo Isn't this file renamed to configuration.inc.php yet?
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// Include the main Chamilo 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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    require_once $main_configuration_file_path;
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    $already_installed = true;
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} else {
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    $_configuration = array();
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}
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//Redirects to the main/install/ page
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if (!$already_installed) {
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    $global_error_code = 2;
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    // The system has not been installed yet.
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    require $includePath.'/global_error_message.inc.php';
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    die();
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}
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// Ensure that _configuration is in the global scope before loading
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// main_api.lib.php. This is particularly helpful for unit tests
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if (!isset($GLOBALS['_configuration'])) {
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    $GLOBALS['_configuration'] = $_configuration;
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}
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// Code for trnasitional purposes, it can be removed right before the 1.8.7 release.
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if (empty($_configuration['system_version'])) {
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    $_configuration['system_version']   = $_configuration['dokeos_version'];
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    $_configuration['system_stable']    = $_configuration['dokeos_stable'];
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    $_configuration['software_url']     = 'http://www.chamilo.org/';
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}
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// For backward compatibility.
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$_configuration['dokeos_version']   = $_configuration['system_version'];
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$_configuration['dokeos_stable']    = $_configuration['system_stable'];
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$userPasswordCrypted                = $_configuration['password_encryption'];
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// Include the main Chamilo platform library file.
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require_once $includePath.'/lib/api.lib.php';
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//Check the PHP version
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api_check_php_version($includePath.'/');
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// Specification for usernames:
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// 1. ASCII-letters, digits, "." (dot), "_" (underscore) are acceptable, 40 characters maximum length.
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// 2. Empty username is formally valid, but it is reserved for the anonymous user.
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// 3. Checking the login_is_email portal setting in order to accept 100 chars maximum
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$default_username_length = 40;
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if (api_get_setting('login_is_email') == 'true') {
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    $default_username_length = 100;
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}
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define('USERNAME_MAX_LENGTH', $default_username_length);
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// Fix bug in IIS that doesn't fill the $_SERVER['REQUEST_URI'].
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api_request_uri();
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// Add the path to the pear packages to the include path
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ini_set('include_path', api_create_include_path_setting());
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// This is for compatibility with MAC computers.
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ini_set('auto_detect_line_endings', '1');
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// Include the libraries that are necessary everywhere
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require_once __DIR__.'/../../vendor/autoload.php';
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// Do not over-use this variable. It is only for this script's local use.
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$libraryPath = api_get_path(LIBRARY_PATH);
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// @todo convert this libs in classes
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require_once $libraryPath.'database.constants.inc.php';
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require_once $libraryPath.'text.lib.php';
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require_once $libraryPath.'array.lib.php';
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require_once $libraryPath.'online.inc.php';
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require_once $libraryPath.'banner.lib.php';
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require_once $libraryPath.'fileManage.lib.php';
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require_once $libraryPath.'fileUpload.lib.php';
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require_once $libraryPath.'fileDisplay.lib.php';
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require_once $libraryPath.'course_category.lib.php';
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define('_MPDF_TEMP_PATH', api_get_path(SYS_ARCHIVE_PATH).'mpdf/');
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if (!is_dir(_MPDF_TEMP_PATH)) {
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    mkdir(_MPDF_TEMP_PATH, api_get_permissions_for_new_directories(), true);
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}
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/*  DATABASE CONNECTION  */
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// @todo: this shouldn't be done here. It should be stored correctly during installation.
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if (empty($_configuration['statistics_database']) && $already_installed) {
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    $_configuration['statistics_database'] = $_configuration['main_database'];
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}
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global $database_connection;
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// Connect to the server database and select the main chamilo database.
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// When $_configuration['db_persistent_connection'] is set, it is expected to be a boolean type.
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$dbPersistConnection = api_get_configuration_value('db_persistent_connection');
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// $_configuration['db_client_flags'] can be set in configuration.php to pass
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// flags to the DB connection
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$dbFlags = api_get_configuration_value('db_client_flags');
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$params = array(
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    'server' => $_configuration['db_host'],
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    'username' => $_configuration['db_user'],
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    'password' => $_configuration['db_password'],
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    'persistent' => $dbPersistConnection,
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    'client_flags' => $dbFlags,
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);
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if (!($conn_return = @Database::connect($params))) {
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    $global_error_code = 3;
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    // The database server is not available or credentials are invalid.
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    require $includePath.'/global_error_message.inc.php';
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    die();
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}
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if (!$_configuration['db_host']) {
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    $global_error_code = 4;
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    // A configuration option about database server is missing.
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    require $includePath.'/global_error_message.inc.php';
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    die();
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}
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// Doctrine ORM configuration
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use Doctrine\ORM\Tools\Setup;
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use Doctrine\ORM\EntityManager;
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$paths = array(
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    api_get_path(SYS_PATH).'src/Chamilo/CoreBundle/Entity',
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    api_get_path(SYS_PATH).'src/Chamilo/UserBundle/Entity',
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    api_get_path(SYS_PATH).'src/Chamilo/CourseBundle/Entity'
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);
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$isDevMode = true;
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// the connection configuration
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$dbParams = array(
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    'driver' => 'pdo_mysql',
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    'host' => $_configuration['db_host'],
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    'user' => $_configuration['db_user'],
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    'password' => $_configuration['db_password'],
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    'dbname' => $_configuration['main_database'],
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);
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$isSimpleMode = false;
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$proxyDir = null;
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$cache = null;
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$config = Setup::createAnnotationMetadataConfiguration(
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    $paths,
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    $isDevMode,
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    $proxyDir,
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    $cache,
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    $isSimpleMode
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);
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$config->setEntityNamespaces(
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    array(
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        'ChamiloUserBundle' => 'Chamilo\UserBundle\Entity',
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        'ChamiloCoreBundle' => 'Chamilo\CoreBundle\Entity',
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        'ChamiloCourseBundle' => 'Chamilo\CourseBundle\Entity'
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    )
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);
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$entityManager = EntityManager::create($dbParams, $config);
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use Doctrine\Common\Annotations\AnnotationRegistry;
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AnnotationRegistry::registerAutoloadNamespace(
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    'Symfony\Component\Validator\Constraint',
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    api_get_path(SYS_PATH)."vendor/symfony/validator"
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);
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AnnotationRegistry::registerFile(
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    api_get_path(SYS_PATH)."vendor/symfony/doctrine-bridge/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntity.php"
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);
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AnnotationRegistry::registerAutoloadNamespace(
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    'Gedmo\Mapping\Annotation',
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    api_get_path(SYS_PATH)."vendor/gedmo/doctrine-extensions/lib"
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);
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/*$repo = $entityManager->getRepository('ChamiloCoreBundle:Session');
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$repo = $entityManager->getRepository('ChamiloUserBundle:User');
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$repo = $entityManager->getRepository('ChamiloCoreBundle:Course');*/
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$database = new \Database();
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$database->setManager($entityManager);
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/* RETRIEVING ALL THE CHAMILO CONFIG SETTINGS FOR MULTIPLE URLs FEATURE*/
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if (!empty($_configuration['multiple_access_urls'])) {
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    $_configuration['access_url'] = 1;
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    $access_urls = api_get_access_urls();
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    $root_rel = api_get_self();
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    $root_rel = substr($root_rel,1);
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    $pos = strpos($root_rel,'/');
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    $root_rel = substr($root_rel,0,$pos);
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    $protocol = ((!empty($_SERVER['HTTPS']) && strtoupper($_SERVER['HTTPS']) != 'OFF') ? 'https' : 'http').'://';
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    //urls with subdomains (HTTP_HOST is preferred - see #6764)
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    $request_url_root = $protocol.$_SERVER['HTTP_HOST'].'/';
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    if (empty($request_url_root)) {
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        $request_url_root = $protocol.$_SERVER['SERVER_NAME'].'/';
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    }
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    //urls with subdirs
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    $request_url_sub = $request_url_root.$root_rel.'/';
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    // You can use subdirs as multi-urls, but in this case none of them can be
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    // the root dir. The admin portal should be something like https://host/adm/
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    // At this time, subdirs will still hold a share cookie, so not ideal yet
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    // see #6510
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    foreach ($access_urls as $details) {
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        if ($request_url_sub == $details['url']) {
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            $_configuration['access_url'] = $details['id'];
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            break; //found one match with subdir, get out of foreach
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        }
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        // Didn't find any? Now try without subdirs
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        if ($request_url_root == $details['url']) {
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            $_configuration['access_url'] = $details['id'];
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            break; //found one match, get out of foreach
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        }
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    }
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} else {
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    $_configuration['access_url'] = 1;
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}
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// The system has not been designed to use special SQL modes that were introduced since MySQL 5.
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Database::query("set session sql_mode='';");
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if (!Database::select_db($_configuration['main_database'], $database_connection)) {
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    $global_error_code = 5;
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    // Connection to the main Chamilo database is impossible, it might be missing or restricted or its configuration option might be incorrect.
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    require $includePath.'/global_error_message.inc.php';
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    die();
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}
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/* Initialization of the default encodings */
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// The platform's character set must be retrieved at this early moment.
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$sql = "SELECT selected_value FROM settings_current WHERE variable = 'platform_charset';";
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result)) {
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    $charset = $row[0];
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}
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if (empty($charset)) {
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    $charset = 'UTF-8';
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}
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// Preserving the value of the global variable $charset.
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$charset_initial_value = $charset;
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// Initialization of the internationalization library.
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api_initialize_internationalization();
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// Initialization of the default encoding that will be used by the multibyte string routines in the internationalization library.
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api_set_internationalization_default_encoding($charset);
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// Initialization of the database encoding to be used.
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Database::query("SET SESSION character_set_server='utf8';");
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Database::query("SET SESSION collation_server='utf8_general_ci';");
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if (api_is_utf8($charset)) {
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    // See Bug #1802: For UTF-8 systems we prefer to use "SET NAMES 'utf8'" statement in order to avoid a bizarre problem with Chinese language.
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    Database::query("SET NAMES 'utf8';");
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} else {
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    Database::query("SET CHARACTER SET '" . Database::to_db_encoding($charset) . "';");
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}
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// Start session after the internationalization library has been initialized.
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Chamilo::session()->start($already_installed);
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// Remove quotes added by PHP  - get_magic_quotes_gpc() is deprecated in PHP 5 see #2970
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if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) {
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	array_walk_recursive_limited($_GET,     	'stripslashes', true);
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	array_walk_recursive_limited($_POST, 	'stripslashes', true);
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	array_walk_recursive_limited($_COOKIE,  'stripslashes', true);
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	array_walk_recursive_limited($_REQUEST, 'stripslashes', true);
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}
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// access_url == 1 is the default chamilo location
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if ($_configuration['access_url'] != 1) {
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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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        $settings_by_access = & api_get_settings(null, 'list', $_configuration['access_url'], 1);
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        foreach ($settings_by_access as & $row) {
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            if (empty($row['variable'])) {
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                $row['variable'] = 0;
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            }
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            if (empty($row['subkey'])) {
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                $row['subkey'] = 0;
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            }
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            if (empty($row['category'])) {
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                $row['category'] = 0;
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            }
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            $settings_by_access_list[$row['variable']][$row['subkey']][$row['category']] = $row;
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        }
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    }
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}
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$result = & api_get_settings(null, 'list', 1);
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foreach ($result as & $row) {
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    if ($_configuration['access_url'] != 1) {
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        if ($url_info['active'] == 1) {
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            $var = empty($row['variable']) ? 0 : $row['variable'];
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            $subkey = empty($row['subkey']) ? 0 : $row['subkey'];
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            $category = empty($row['category']) ? 0 : $row['category'];
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        }
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        if ($row['access_url_changeable'] == 1 && $url_info['active'] == 1) {
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            if (isset($settings_by_access_list[$var]) &&
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                $settings_by_access_list[$var][$subkey][$category]['selected_value'] != '') {
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                if ($row['subkey'] == null) {
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                    $_setting[$row['variable']] = $settings_by_access_list[$var][$subkey][$category]['selected_value'];
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                } else {
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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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            } else {
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                if ($row['subkey'] == null) {
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                    $_setting[$row['variable']] = $row['selected_value'];
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                } else {
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                    $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
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                }
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            }
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        } else {
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            if ($row['subkey'] == null) {
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                $_setting[$row['variable']] = $row['selected_value'];
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						|
            } else {
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                $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
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						|
            }
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						|
        }
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						|
    } else {
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						|
        if ($row['subkey'] == null) {
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						|
            $_setting[$row['variable']] = $row['selected_value'];
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						|
        } else {
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						|
            $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
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						|
        }
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						|
    }
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						|
}
 | 
						|
 | 
						|
$result = & api_get_settings('Plugins', 'list', $_configuration['access_url']);
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						|
$_plugins = array();
 | 
						|
foreach ($result as & $row) {
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						|
    $key = & $row['variable'];
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						|
    if (is_string($_setting[$key])) {
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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 allowed tag definitions for kses and/or HTMLPurifier.
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require_once $libraryPath.'formvalidator/Rule/allowed_tags.inc.php';
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						|
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						|
// Before we call local.inc.php, let's define a global $this_section variable
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// which will then be usable from the banner and header scripts
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$this_section = SECTION_GLOBAL;
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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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//Include Chamilo Mail conf this is added here because the api_get_setting works
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						|
//Fixes bug in Chamilo 1.8.7.1 array was not set
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						|
$administrator['email'] = isset($administrator['email']) ? $administrator['email'] : 'admin@example.com';
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						|
$administrator['name']  = isset($administrator['name']) ? $administrator['name'] : 'Admin';
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						|
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						|
// Including configuration files
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						|
$configurationFiles = array(
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    'mail.conf.php',
 | 
						|
    'profile.conf.php',
 | 
						|
    'course_info.conf.php',
 | 
						|
    'add_course.conf.php',
 | 
						|
    'events.conf.php',
 | 
						|
    'auth.conf.php',
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						|
    'portfolio.conf.php'
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						|
);
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						|
 | 
						|
foreach ($configurationFiles as $file) {
 | 
						|
    $file = api_get_path(CONFIGURATION_PATH).$file;
 | 
						|
    if (file_exists($file)) {
 | 
						|
        require_once $file;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
if (api_get_setting('server_type') == 'test') {
 | 
						|
    ini_set('display_errors', '1');
 | 
						|
    ini_set('log_errors', '1');
 | 
						|
    error_reporting(-1);
 | 
						|
} else {
 | 
						|
    error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
 | 
						|
}
 | 
						|
 | 
						|
/*	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 = '';
 | 
						|
$browser_language = '';
 | 
						|
if (!empty($_GET['language'])) {
 | 
						|
    $user_language = $_GET['language'];
 | 
						|
}
 | 
						|
 | 
						|
if (!empty($_POST['language_list'])) {
 | 
						|
    $user_language = str_replace('index.php?language=', '', $_POST['language_list']);
 | 
						|
}
 | 
						|
 | 
						|
if (empty($user_language) && !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) && !isset($_SESSION['_user'])) {
 | 
						|
    $l = SubLanguageManager::getLanguageFromBrowserPreference($_SERVER['HTTP_ACCEPT_LANGUAGE']);
 | 
						|
    if (!empty($l)) {
 | 
						|
        $user_language = $browser_language = $l;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
// Include all files (first english and then current interface language)
 | 
						|
 | 
						|
$langpath = api_get_path(SYS_LANG_PATH);
 | 
						|
 | 
						|
/* This will only work if we are in the page to edit a sub_language */
 | 
						|
if (isset($this_script) && $this_script == 'sub_language') {
 | 
						|
    // getting the arrays of files i.e notification, trad4all, etc
 | 
						|
    $language_files_to_load = SubLanguageManager:: get_lang_folder_files_list(api_get_path(SYS_LANG_PATH).'english', true);
 | 
						|
    //getting parent info
 | 
						|
    $parent_language = SubLanguageManager::get_all_information_of_language($_REQUEST['id']);
 | 
						|
    //getting sub language info
 | 
						|
    $sub_language = SubLanguageManager::get_all_information_of_language($_REQUEST['sub_language_id']);
 | 
						|
 | 
						|
    $english_language_array = $parent_language_array = $sub_language_array = array();
 | 
						|
 | 
						|
    foreach ($language_files_to_load as $language_file_item) {
 | 
						|
        $lang_list_pre = array_keys($GLOBALS);
 | 
						|
        //loading english
 | 
						|
        $path = $langpath.'english/'.$language_file_item.'.inc.php';
 | 
						|
        if (file_exists($path)) {
 | 
						|
            include $path;
 | 
						|
        }
 | 
						|
 | 
						|
        $lang_list_post = array_keys($GLOBALS);
 | 
						|
        $lang_list_result = array_diff($lang_list_post, $lang_list_pre);
 | 
						|
        unset($lang_list_pre);
 | 
						|
 | 
						|
        //  english language array
 | 
						|
        $english_language_array[$language_file_item] = compact($lang_list_result);
 | 
						|
 | 
						|
        //cleaning the variables
 | 
						|
        foreach ($lang_list_result as $item) {
 | 
						|
            unset(${$item});
 | 
						|
        }
 | 
						|
        $parent_file = $langpath.$parent_language['dokeos_folder'].'/'.$language_file_item.'.inc.php';
 | 
						|
 | 
						|
        if (file_exists($parent_file) && is_file($parent_file)) {
 | 
						|
            include_once $parent_file;
 | 
						|
        }
 | 
						|
        //  parent language array
 | 
						|
        $parent_language_array[$language_file_item] = compact($lang_list_result);
 | 
						|
 | 
						|
        //cleaning the variables
 | 
						|
        foreach($lang_list_result as $item) {
 | 
						|
            unset(${$item});
 | 
						|
        }
 | 
						|
 | 
						|
        $sub_file = $langpath.$sub_language['dokeos_folder'].'/'.$language_file_item.'.inc.php';
 | 
						|
        if (file_exists($sub_file) && is_file($sub_file)) {
 | 
						|
            include $sub_file;
 | 
						|
        }
 | 
						|
 | 
						|
        //  sub language array
 | 
						|
        $sub_language_array[$language_file_item] = compact($lang_list_result);
 | 
						|
 | 
						|
        //cleaning the variables
 | 
						|
        foreach($lang_list_result as $item) {
 | 
						|
            unset(${$item});
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
// Checking if we have a valid language. If not we set it to the platform language.
 | 
						|
 | 
						|
$valid_languages = api_get_languages();
 | 
						|
 | 
						|
if (!empty($valid_languages)) {
 | 
						|
 | 
						|
    if (!in_array($user_language, $valid_languages['folder'])) {
 | 
						|
        $user_language = api_get_setting('platformLanguage');
 | 
						|
    }
 | 
						|
    $language_priority1 = api_get_setting('languagePriority1');
 | 
						|
    $language_priority2 = api_get_setting('languagePriority2');
 | 
						|
    $language_priority3 = api_get_setting('languagePriority3');
 | 
						|
    $language_priority4 = api_get_setting('languagePriority4');
 | 
						|
 | 
						|
    if (in_array($user_language, $valid_languages['folder']) &&
 | 
						|
        (isset($_GET['language']) || isset($_POST['language_list']) || !empty($browser_language))
 | 
						|
    ) {
 | 
						|
        $user_selected_language = $user_language; // $_GET['language']; or HTTP_ACCEPT_LANGUAGE
 | 
						|
        $_SESSION['user_language_choice'] = $user_selected_language;
 | 
						|
        $platformLanguage = $user_selected_language;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!empty($language_priority4) && api_get_language_from_type($language_priority4) !== false ) {
 | 
						|
        $language_interface =  api_get_language_from_type($language_priority4);
 | 
						|
    } else {
 | 
						|
        $language_interface = api_get_setting('platformLanguage');
 | 
						|
    }
 | 
						|
 | 
						|
    if (!empty($language_priority3) && api_get_language_from_type($language_priority3) !== false ) {
 | 
						|
        $language_interface =  api_get_language_from_type($language_priority3);
 | 
						|
    } else {
 | 
						|
        if (isset($_SESSION['user_language_choice'])) {
 | 
						|
            $language_interface = $_SESSION['user_language_choice'];
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (!empty($language_priority2) && api_get_language_from_type($language_priority2) !== false ) {
 | 
						|
        $language_interface =  api_get_language_from_type($language_priority2);
 | 
						|
    } else {
 | 
						|
        if (isset($_user['language'])) {
 | 
						|
            $language_interface = $_user['language'];
 | 
						|
        }
 | 
						|
    }
 | 
						|
    if (!empty($language_priority1) && api_get_language_from_type($language_priority1) !== false ) {
 | 
						|
        $language_interface =  api_get_language_from_type($language_priority1);
 | 
						|
    } else {
 | 
						|
        if (isset($_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;
 | 
						|
 | 
						|
/**
 | 
						|
 * Include all necessary language files
 | 
						|
 * - trad4all
 | 
						|
 * - notification
 | 
						|
 * - custom tool language files
 | 
						|
 */
 | 
						|
$language_files = array();
 | 
						|
$language_files[] = 'trad4all';
 | 
						|
$language_files[] = 'notification';
 | 
						|
 | 
						|
if (isset($language_file)) {
 | 
						|
    if (!is_array($language_file)) {
 | 
						|
        $language_files[] = $language_file;
 | 
						|
    } else {
 | 
						|
        $language_files = array_merge($language_files, $language_file);
 | 
						|
    }
 | 
						|
}
 | 
						|
// if a set of language files has been properly defined
 | 
						|
if (is_array($language_files)) {
 | 
						|
    // if the sub-language feature is on
 | 
						|
    if (api_get_setting('allow_use_sub_language') == 'true') {
 | 
						|
        $parent_path = SubLanguageManager::get_parent_language_path($language_interface);
 | 
						|
        foreach ($language_files as $index => $language_file) {
 | 
						|
            // include English
 | 
						|
            include $langpath.'english/'.$language_file.'.inc.php';
 | 
						|
            // prepare string for current language and its parent
 | 
						|
            $lang_file = $langpath.$language_interface.'/'.$language_file.'.inc.php';
 | 
						|
            $parent_lang_file = $langpath.$parent_path.'/'.$language_file.'.inc.php';
 | 
						|
            // load the parent language file first
 | 
						|
            if (file_exists($parent_lang_file)) {
 | 
						|
                include $parent_lang_file;
 | 
						|
            }
 | 
						|
            // overwrite the parent language translations if there is a child
 | 
						|
            if (file_exists($lang_file)) {
 | 
						|
                include $lang_file;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        // if the sub-languages feature is not on, then just load the
 | 
						|
        // set language interface
 | 
						|
        foreach ($language_files as $index => $language_file) {
 | 
						|
            // include English
 | 
						|
            include $langpath.'english/'.$language_file.'.inc.php';
 | 
						|
            // prepare string for current language
 | 
						|
            $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;
 | 
						|
 | 
						|
// The global variable $text_dir has been defined in the language file trad4all.inc.php.
 | 
						|
// For determing text direction correspondent to the current language we use now information from the internationalization library.
 | 
						|
$text_dir = api_get_text_direction();
 | 
						|
 | 
						|
// ===== "who is logged in?" module section =====
 | 
						|
 | 
						|
// check and modify the date of user in the track.e.online table
 | 
						|
if (!$x = strpos($_SERVER['PHP_SELF'], 'whoisonline.php')) {
 | 
						|
    preventMultipleLogin($_user["user_id"]);
 | 
						|
    LoginCheck(isset($_user['user_id']) ? $_user['user_id'] : '');
 | 
						|
}
 | 
						|
 | 
						|
// ===== end "who is logged in?" module section =====
 | 
						|
 | 
						|
//Update of the logout_date field in the table track_e_login (needed for the calculation of the total connection time)
 | 
						|
 | 
						|
if (!isset($_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_main_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";
 | 
						|
 | 
						|
    $q_last_connection = Database::query($sql_last_connection);
 | 
						|
    if (Database::num_rows($q_last_connection) > 0) {
 | 
						|
        $i_id_last_connection = Database::result($q_last_connection, 0, 'login_id');
 | 
						|
 | 
						|
        // is the latest logout_date still relevant?
 | 
						|
        $sql_logout_date = "SELECT logout_date FROM $tbl_track_login WHERE login_id=$i_id_last_connection";
 | 
						|
        $q_logout_date = Database::query($sql_logout_date);
 | 
						|
        $res_logout_date = convert_sql_date(Database::result($q_logout_date,0,'logout_date'));
 | 
						|
 | 
						|
        if ($res_logout_date < time() - $_configuration['session_lifetime']) {
 | 
						|
            // it isn't, we should create a fresh entry
 | 
						|
            Event::event_login();
 | 
						|
            // now that it's created, we can get its ID and carry on
 | 
						|
            $q_last_connection = Database::query($sql_last_connection);
 | 
						|
            $i_id_last_connection = Database::result($q_last_connection, 0, 'login_id');
 | 
						|
        }
 | 
						|
        $now = api_get_utc_datetime(time());
 | 
						|
        $s_sql_update_logout_date = "UPDATE $tbl_track_login SET logout_date='$now' WHERE login_id='$i_id_last_connection'";
 | 
						|
        Database::query($s_sql_update_logout_date);
 | 
						|
        // Saves the last login in the user table see BT#7297
 | 
						|
        if (isset($_configuration['save_user_last_login']) &&
 | 
						|
            $_configuration['save_user_last_login']
 | 
						|
        ) {
 | 
						|
            $tableUser = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
            $sql = "UPDATE $tableUser SET last_login ='$now' WHERE user_id = ".$_user["user_id"];
 | 
						|
            Database::query($sql);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
// Add language_measure_frequency to your main/inc/conf/configuration.php in
 | 
						|
// order to generate language variables frequency measurements (you can then
 | 
						|
// see them through main/cron/lang/langstats.php)
 | 
						|
// The langstat object will then be used in the get_lang() function.
 | 
						|
// This block can be removed to speed things up a bit as it should only ever
 | 
						|
// be used in development versions.
 | 
						|
if (isset($_configuration['language_measure_frequency']) && $_configuration['language_measure_frequency'] == 1) {
 | 
						|
    require_once api_get_path(SYS_CODE_PATH).'/cron/lang/langstats.class.php';
 | 
						|
    $langstats = new langstats();
 | 
						|
}
 | 
						|
 | 
						|
//Default quota for the course documents folder
 | 
						|
$default_quota = api_get_setting('default_document_quotum');
 | 
						|
//Just in case the setting is not correctly set
 | 
						|
if (empty($default_quota)) {
 | 
						|
    $default_quota = 100000000;
 | 
						|
}
 | 
						|
define('DEFAULT_DOCUMENT_QUOTA', $default_quota);
 | 
						|
 | 
						|
// Sets the ascii_math plugin see #7134
 | 
						|
$_SESSION['ascii_math_loaded'] = false;
 | 
						|
 |