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- <?php
- /**
- ==============================================================================
- * It is recommended that ALL dokeos scripts include this important file.
- * This script manages
- * - http get, post, post_files, session, server-vars extraction into global namespace;
- * (which doesn't occur anymore when servertype config setting is set to test,
- * and which will disappear completely in Dokeos 1.6.1)
- * - include of /conf/configuration.php;
- * - include of several libraries: main_api, database, display, text, security;
- * - selecting the main database;
- * - include of language files.
- *
- * @package dokeos.include
- * @todo isn't configuration.php renamed to configuration.inc.php yet?
- * @todo use the $_configuration array for all the needed variables
- * @todo remove the code that displays the button that links to the install page
- * but use a redirect immediately. By doing so the $already_installed variable can be removed.
- * @todo make it possible to enable / disable the tracking through the Dokeos config page.
- *
- ==============================================================================
- */
- // PHP version check
- if ( !function_exists('version_compare') || version_compare( phpversion(), '5', '<' ) )
- {
- $error_message_php_version = <<<EOM
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title>Wrong PHP version!</title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <style type="text/css" media="screen, projection">
- /*<![CDATA[*/
- @import "main/css/dokeos_blue/default.css";
- /*]]>*/
- </style>
- </head>
- <body>
- <div id="header">
- <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
- <div class="clear"></div>
- <div id="header2"> </div>
- <div id="header3"> </div>
- </div>
- <div style="text-align: center;"><br /><br />
- The version of scripting language on your server is wrong. Your server has to support PHP 5.x.x .<br />
- <a href="documentation/installation_guide.html" target="_blank">Read the installation guide.</a><br /><br />
- </div>
- <div id="footer">
- <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> © 2009 </div>
-
- </div>
- </body>
- </html>
- EOM;
- header('Content-Type: text/html; charset=UTF-8');
- die($error_message_php_version);
- }
- // Determine the directory path where this current file lies
- // This path will be useful to include the other intialisation files
- $includePath = dirname(__FILE__);
- // @todo isn't this file renamed to configuration.inc.php yet?
- // include the main Dokeos platform configuration file
- $main_configuration_file_path = $includePath . "/conf/configuration.php";
- $already_installed = false;
- if(file_exists($main_configuration_file_path))
- {
- require_once($main_configuration_file_path);
- $already_installed = true;
- }
- else
- {
- $_configuration = array();
- }
- // include the main Dokeos platform library file
- require_once($includePath.'/lib/main_api.lib.php');
- //fix bug in IIS that doesn't fill the $_SERVER['REQUEST_URI']
- api_request_uri();
- // Start session
- api_session_start($already_installed);
- $error_message_not_installed = <<<EOM
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title>Dokeos has been not installed!</title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <style type="text/css" media="screen, projection">
- /*<![CDATA[*/
- @import "main/css/dokeos_blue/default.css";
- /*]]>*/
- </style>
- </head>
- <body>
- <div id="header">
- <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
- <div class="clear"></div>
- <div id="header2"> </div>
- <div id="header3">
- <ul id="logout">
- <li><a href="" target="_top"><span> </span></a></li>
- </ul>
- <ul>
- <li id="current"><a href="#"><span>Installation</span></a></li>
- </ul>
- <div style="clear: both;" class="clear"></div>
- </div>
- <div id="header4"> </div>
- </div>
- <div style="text-align: center;"><br /><br />
- <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 />
- or <a href="documentation/installation_guide.html" target="_blank">read the installation guide</a><br /><br />
- </div>
- <div id="footer">
- <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> © 2009 </div>
-
- </div>
- </body>
- </html>
- EOM;
- $error_message_db_problem = <<<EOM
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title>Dokeos database unavailable!</title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <style type="text/css" media="screen, projection">
- /*<![CDATA[*/
- @import "main/css/public_admin/default.css";
- /*]]>*/
- </style>
- </head>
- <body>
- <div id="header">
- <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
- <div class="clear"></div>
- <div id="header2"> </div>
- <div id="header3"> </div>
- </div>
- EOM;
- $error_message_db_problem .= '
- <div style="text-align: center; font-size: large; margin-bottom: 2em;"><br /><br />
- This portal is currently experiencing database issues. Please report this to the portal administrator. Thank you for your help.</a>
- </div>
- <div id="footer">
- <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> © 2009 </div>
-
- </div>
- </body>
- </html>';
- if (!$already_installed)
- {
- header('Content-Type: text/html; charset=UTF-8');
- //require('installedVersion.inc.php');
- die($error_message_not_installed);
- }
- //Assigning a variable to avoid several useless calls to the database setting.
- // Do not over-user. This is only for this script's local use.
- $lib_path = api_get_path(LIBRARY_PATH);
- // Add the path to the pear packages to the include path
- //ini_set('include_path',ini_get('include_path').PATH_SEPARATOR.$lib_path.'pear');
- ini_set('include_path', api_create_include_path_setting());
- // This is for compatibility with MAC computers.
- ini_set('auto_detect_line_endings', '1');
- // Include the libraries that are necessary everywhere
- require_once($lib_path.'database.lib.php');
- require_once($lib_path.'display.lib.php');
- require_once($lib_path.'text.lib.php');
- require_once($lib_path.'security.lib.php');
- require_once($lib_path.'events.lib.inc.php');
- //require_once($lib_path.'media.lib.php'); // TODO: Deprecated, to be removed. Ivan Tcholakov, 23-SEP-2003.
- // @todo: this shouldn't be done here. It should be stored correctly during installation
- if(empty($_configuration['statistics_database']) && $already_installed)
- {
- $_configuration['statistics_database'] = $_configuration['main_database'];
- }
- // connect to the server database and select the main dokeos database
- $dokeos_database_connection = @mysql_connect($_configuration['db_host'], $_configuration['db_user'], $_configuration['db_password']) or die ($error_message_db_problem);
- if (! $_configuration['db_host'])
- {
- die($error_message_db_problem);
- }
- unset($error_message_db_problem);
- unset($error_message_not_installed);
- // The Dokeos system has not been designed to use special SQL modes that were introduced since MySQL 5
- api_sql_query("set session sql_mode='';", __FILE__, __LINE__);
- $selectResult = mysql_select_db($_configuration['main_database'],$dokeos_database_connection) or die ('<center>WARNING ! SYSTEM UNABLE TO SELECT THE MAIN DOKEOS DATABASE</center>');
- /*
- --------------------------------------------
- Initialization of the default encodings
- --------------------------------------------
- */
- // The platform's character set must be retrieved at this early moment.
- $sql = "SELECT selected_value FROM settings_current WHERE variable = 'platform_charset';";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- while ($row = @mysql_fetch_array($result)) {
- $charset = $row[0];
- }
- if (empty($charset)) {
- $charset = "ISO-8859-15";
- }
- // Preserving the value of the global variable $charset.
- $charset_initial_value = $charset;
- // Initialization of the internationalization library.
- api_initialize_internationalization();
- // Initialization of the default encoding that will be used by the multibyte string routines in the internationalization library.
- api_set_internationalization_default_encoding($charset);
- /*
- --------------------------------------------
- RETRIEVING ALL THE DOKEOS CONFIG SETTINGS
- --------------------------------------------
- */
- if(!empty($_configuration['multiple_access_urls']))
- {
- $_configuration['access_url'] = 1;
- $access_urls = api_get_access_urls();
- $protocol = ((!empty($_SERVER['HTTPS']) && strtoupper($_SERVER['HTTPS'])!='OFF')?'https':'http').'://';
- $request_url1 = $protocol.$_SERVER['SERVER_NAME'].'/';
- $request_url2 = $protocol.$_SERVER['HTTP_HOST'].'/';
- foreach($access_urls as $details)
- {
- if($request_url1 == $details['url'] or $request_url2 == $details['url'])
- {
- $_configuration['access_url'] = $details['id'];
- }
- }
- }
- else
- {
- $_configuration['access_url'] = 1;
- }
- //$sql="SELECT * FROM settings_current";
- //$result=mysql_query($sql) or die(mysql_error());
- // access_url == 1 is the default dokeos location
- if ($_configuration['access_url']!=1)
- {
- $url_info = api_get_access_url($_configuration['access_url']);
- if ($url_info['active']==1)
- {
- $settings_by_access = api_get_settings(null,'list',$_configuration['access_url'],1);
- foreach($settings_by_access as $row)
- {
- if (empty($row['variable']))
- $row['variable']=0;
- if (empty($row['subkey']))
- $row['subkey']=0;
- if (empty($row['category']))
- $row['category']=0;
- $settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = $row;
- }
- }
- }
- //echo '<pre>';print_r($result_other_site);
- $result = api_get_settings(null,'list',1);
- //while ($row=mysql_fetch_array($result))
- foreach($result as $row)
- {
- if ($_configuration['access_url']!=1)
- {
- if ($url_info['active']==1)
- {
- if (empty($row['variable']))
- $var=0;
- else
- $var=$row['variable'];
- if (empty($row['subkey']))
- $subkey=0;
- else
- $subkey=$row['subkey'];
- if (empty($row['category']))
- $category=0;
- else
- $category=$row['category'];
- }
- if ($row['access_url_changeable']==1 && $url_info['active']==1)
- {
- if ($settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'] !='')
- {
- if ($row['subkey']==NULL)
- {
- $_setting[$row['variable']]= $settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
- }
- else
- {
- $_setting[$row['variable']][$row['subkey']]=$settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
- }
- }
- else
- {
- if ($row['subkey']==NULL)
- {
- $_setting[$row['variable']]=$row['selected_value'];
- }
- else
- {
- $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
- }
- }
- }
- else
- {
- if ($row['subkey']==NULL)
- {
- $_setting[$row['variable']]=$row['selected_value'];
- }
- else
- {
- $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
- }
- }
- }
- else
- {
- if ($row['subkey']==NULL)
- {
- $_setting[$row['variable']]=$row['selected_value'];
- }
- else
- {
- $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
- }
- }
- }
- //echo '<pre>';print_r($_setting);echo '</pre>';
- // we have to store the settings for the plugins differently because it expects an array
- //$sql="SELECT * FROM settings_current WHERE category='plugins'";
- //$result=mysql_query($sql) or die(mysql_error());
- $result = api_get_settings('Plugins','list',$_configuration['access_url']);
- $_plugins=array();
- //while ($row=mysql_fetch_array($result))
- foreach($result as $row)
- {
- $key= $row['variable'];
- if (is_string($_setting[$key]))
- {
- $_setting[$key]=array();
- }
- $_setting[$key][]=$row['selected_value'];
- $_plugins[$key][]=$row['selected_value'];
- }
- //load array Kses for Htmlpurifier
- require_once $includePath."/lib/formvalidator/Rule/allowed_tags.inc.php";
- //load htmpurifier
- require_once $includePath."/lib/htmlpurifier/library/HTMLPurifier.auto.php";
- // include the local (contextual) parameters of this course or section
- require($includePath."/local.inc.php");
- // ===== "who is logged in?" module section =====
- require_once($includePath."/lib/online.inc.php");
- // check and modify the date of user in the track.e.online table
- if (!$x=strpos($_SERVER['PHP_SELF'],'whoisonline.php'))
- {
- LoginCheck(isset($_user['user_id']) ? $_user['user_id'] : '',$_configuration['statistics_database']);
- }
- // ===== end "who is logged in?" module section =====
- if(api_get_setting('server_type') == 'test')
- {
- /*
- --------------------------------------------
- Server type is test
- - high error reporting level
- - only do addslashes on $_GET and $_POST
- --------------------------------------------
- */
- error_reporting(E_ALL & ~E_NOTICE);
- //error_reporting(E_ALL);
- //Addslashes to all $_GET variables
- foreach($_GET as $key=>$val)
- {
- if(!ini_get('magic_quotes_gpc'))
- {
- if(is_string($val))
- {
- $_GET[$key]=addslashes($val);
- }
- }
- }
- //Addslashes to all $_POST variables
- foreach($_POST as $key=>$val)
- {
- if(!ini_get('magic_quotes_gpc'))
- {
- if(is_string($val))
- {
- $_POST[$key]=addslashes($val);
- }
- }
- }
- }
- else
- {
- /*
- --------------------------------------------
- Server type is not test
- - normal error reporting level
- - full fake register globals block
- --------------------------------------------
- */
- error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
- if(!isset($HTTP_GET_VARS)) { $HTTP_GET_VARS=$_GET; }
- if(!isset($HTTP_POST_VARS)) { $HTTP_POST_VARS=$_POST; }
- if(!isset($HTTP_POST_FILES)) { $HTTP_POST_FILES=$_FILES; }
- if(!isset($HTTP_SESSION_VARS)) { $HTTP_SESSION_VARS=$_SESSION; }
- if(!isset($HTTP_SERVER_VARS)) { $HTTP_SERVER_VARS=$_SERVER; }
- // Register SESSION variables into $GLOBALS
- if(sizeof($HTTP_SESSION_VARS))
- {
- if(!is_array($_SESSION))
- {
- $_SESSION=array();
- }
- foreach($HTTP_SESSION_VARS as $key=>$val)
- {
- $_SESSION[$key]=$HTTP_SESSION_VARS[$key];
- $GLOBALS[$key]=$HTTP_SESSION_VARS[$key];
- }
- }
- // Register SERVER variables into $GLOBALS
- if(sizeof($HTTP_SERVER_VARS))
- {
- $_SERVER=array();
- foreach($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"]);
- }
- // Include all files (first english and then current interface language)
- $langpath = api_get_path(SYS_CODE_PATH).'lang/';
- /* This will only work if we are in the page to edit a sub_language */
- if (api_get_self() == '/main/admin/sub_language.php' || api_get_self() == '/main/admin/sub_language_ajax.inc.php' ) {
- require_once '../admin/sub_language.class.php';
- // getting the arrays of files i.e notification, trad4all, etc
- $language_files_to_load = SubLanguageManager::get_all_data_of_dokeos_folder(api_get_path(SYS_LANG_PATH).'english',true);
- //getting parent info
- $parent_language = SubLanguageManager::get_all_information_of_language(intval($_REQUEST['id']));
- //getting sub language info
- $sub_language = SubLanguageManager::get_all_information_of_language(intval($_REQUEST['sub_language_id']));
- //echo '<pre>';
- $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);
- include $langpath.'english/'.$language_file_item.'.inc.php'; //loading english
- $lang_list_post = array_keys($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'].'/'.$language_file_item.'.inc.php';
- if (is_file($parent_file))
- include $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'].'/'.$language_file_item.'.inc.php';
- if (is_file($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 $item) {
- unset(${$item});
- }
- }
- /*
- print_r($english_language_array);
- print_r($parent_language_array);
- print_r($sub_language_array); exit
- */
- }
- // 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;
- /*
- * 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,$language_file);
- }
- }
- if (is_array($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__);
- $num_row_sub_language=Database::num_rows($rs_sub_language);
- if (file_exists($langfile)) {
- include $langfile;
- for ($i=0;$i<$num_row_sub_language;$i++) {
- $row_sub_language=Database::result($rs_sub_language,$i,'dokeos_folder');
- $sub_langfile = $langpath.$row_sub_language.'/'.$language_file.'.inc.php';
- if (file_exists($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);
- }
- }
- ?>
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