global.inc.php 20 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653
  1. <?php
  2. /**
  3. ==============================================================================
  4. * It is recommended that ALL dokeos scripts include this important file.
  5. * This script manages
  6. * - http get, post, post_files, session, server-vars extraction into global namespace;
  7. * (which doesn't occur anymore when servertype config setting is set to test,
  8. * and which will disappear completely in Dokeos 1.6.1)
  9. * - include of /conf/configuration.php;
  10. * - include of several libraries: main_api, database, display, text, security;
  11. * - selecting the main database;
  12. * - include of language files.
  13. *
  14. * @package dokeos.include
  15. * @todo isn't configuration.php renamed to configuration.inc.php yet?
  16. * @todo use the $_configuration array for all the needed variables
  17. * @todo remove the code that displays the button that links to the install page
  18. * but use a redirect immediately. By doing so the $already_installed variable can be removed.
  19. * @todo make it possible to enable / disable the tracking through the Dokeos config page.
  20. *
  21. ==============================================================================
  22. */
  23. // PHP version check
  24. if ( !function_exists('version_compare') || version_compare( phpversion(), '5', '<' ) )
  25. {
  26. $error_message_php_version = <<<EOM
  27. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  28. <html>
  29. <head>
  30. <title>Wrong PHP version!</title>
  31. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  32. <style type="text/css" media="screen, projection">
  33. /*<![CDATA[*/
  34. @import "main/css/public_admin/default.css";
  35. /*]]>*/
  36. </style>
  37. </head>
  38. <body>
  39. <div id="header">
  40. <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
  41. <div class="clear"></div>
  42. <div id="header2">&nbsp;</div>
  43. <div id="header3">&nbsp;</div>
  44. </div>
  45. <div style="text-align: center;"><br /><br />
  46. The version of scripting language on your server is wrong. Your server has to support PHP 5.x.x .<br />
  47. <a href="documentation/installation_guide.html" target="_blank">Read the installation guide.</a><br /><br />
  48. </div>
  49. <div id="footer">
  50. <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> &copy; 2009 </div>
  51. &nbsp;
  52. </div>
  53. </body>
  54. </html>
  55. EOM;
  56. header('Content-Type: text/html; charset=UTF-8');
  57. die($error_message_php_version);
  58. }
  59. if (!function_exists('mb_strlen'))
  60. {
  61. $error_message_mbstring = <<<EOM
  62. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  63. <html>
  64. <head>
  65. <title>PHP extension "mbstring" has not been installed!</title>
  66. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  67. <style type="text/css" media="screen, projection">
  68. /*<![CDATA[*/
  69. @import "main/css/public_admin/default.css";
  70. /*]]>*/
  71. </style>
  72. </head>
  73. <body>
  74. <div id="header">
  75. <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
  76. <div class="clear"></div>
  77. <div id="header2">&nbsp;</div>
  78. <div id="header3">&nbsp;</div>
  79. </div>
  80. <div style="text-align: center;"><br /><br />
  81. The Dokeos system needs PHP extension <strong>mbstring</strong> to be installed.<br />
  82. See <a href="http://php.net/manual/en/mbstring.installation.php" target="_blank">http://php.net/manual/en/book.mbstring.php</a> for more information<br /><br />
  83. </div>
  84. <div id="footer">
  85. <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> &copy; 2009 </div>
  86. &nbsp;
  87. </div>
  88. </body>
  89. </html>
  90. EOM;
  91. header('Content-Type: text/html; charset=UTF-8');
  92. die($error_message_mbstring);
  93. }
  94. // Determine the directory path where this current file lies
  95. // This path will be useful to include the other intialisation files
  96. $includePath = dirname(__FILE__);
  97. // @todo isn't this file renamed to configuration.inc.php yet?
  98. // include the main Dokeos platform configuration file
  99. $main_configuration_file_path = $includePath . "/conf/configuration.php";
  100. $already_installed = false;
  101. if(file_exists($main_configuration_file_path))
  102. {
  103. require_once($main_configuration_file_path);
  104. $already_installed = true;
  105. }
  106. else
  107. {
  108. $_configuration = array();
  109. }
  110. // include the main Dokeos platform library file
  111. require_once($includePath.'/lib/main_api.lib.php');
  112. //fix bug in IIS that doesn't fill the $_SERVER['REQUEST_URI']
  113. api_request_uri();
  114. // Start session
  115. api_session_start($already_installed);
  116. $error_message_not_installed = <<<EOM
  117. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  118. <html>
  119. <head>
  120. <title>Dokeos has been not installed!</title>
  121. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  122. <style type="text/css" media="screen, projection">
  123. /*<![CDATA[*/
  124. @import "main/css/public_admin/default.css";
  125. /*]]>*/
  126. </style>
  127. </head>
  128. <body>
  129. <div id="header">
  130. <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
  131. <div class="clear"></div>
  132. <div id="header2">&nbsp;</div>
  133. <div id="header3">&nbsp;</div>
  134. </div>
  135. <div style="text-align: center;"><br /><br />
  136. <form action="main/install/index.php" method="get"><button class="save" type="submit" value="&nbsp;&nbsp; Click to INSTALL DOKEOS &nbsp;&nbsp;" >Click to INSTALL DOKEOS</button></form><br />
  137. or <a href="documentation/installation_guide.html" target="_blank">read the installation guide</a><br /><br />
  138. </div>
  139. <div id="footer">
  140. <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> &copy; 2009 </div>
  141. &nbsp;
  142. </div>
  143. </body>
  144. </html>
  145. EOM;
  146. $error_message_db_problem = <<<EOM
  147. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  148. <html>
  149. <head>
  150. <title>Dokeos database unavailable!</title>
  151. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  152. <style type="text/css" media="screen, projection">
  153. /*<![CDATA[*/
  154. @import "main/css/public_admin/default.css";
  155. /*]]>*/
  156. </style>
  157. </head>
  158. <body>
  159. <div id="header">
  160. <div id="header1"><a href="http://www.dokeos.com" target="_blank">Dokeos Homepage</a></div>
  161. <div class="clear"></div>
  162. <div id="header2">&nbsp;</div>
  163. <div id="header3">&nbsp;</div>
  164. </div>
  165. EOM;
  166. $error_message_db_problem .= '
  167. <div style="text-align: center; font-size: large; margin-bottom: 2em;"><br /><br />
  168. This portal is currently experiencing database issues. Please report this to the portal administrator. Thank you for your help.</a>
  169. </div>
  170. <div id="footer">
  171. <div class="copyright">Platform <a href="http://www.dokeos.com" target="_blank"> Dokeos </a> &copy; 2009 </div>
  172. &nbsp;
  173. </div>
  174. </body>
  175. </html>';
  176. if (!$already_installed)
  177. {
  178. header('Content-Type: text/html; charset=UTF-8');
  179. //require('installedVersion.inc.php');
  180. die($error_message_not_installed);
  181. }
  182. //Assigning a variable to avoid several useless calls to the database setting.
  183. // Do not over-user. This is only for this script's local use.
  184. $lib_path = api_get_path(LIBRARY_PATH);
  185. // Add the path to the pear packages to the include path
  186. //ini_set('include_path',ini_get('include_path').PATH_SEPARATOR.$lib_path.'pear');
  187. ini_set('include_path', api_create_include_path_setting());
  188. // This is for compatibility with MAC computers.
  189. ini_set('auto_detect_line_endings', '1');
  190. // Include the libraries that are necessary everywhere
  191. require_once($lib_path.'database.lib.php');
  192. require_once($lib_path.'display.lib.php');
  193. require_once($lib_path.'text.lib.php');
  194. require_once($lib_path.'security.lib.php');
  195. require_once($lib_path.'events.lib.inc.php');
  196. // @todo: this shouldn't be done here. It should be stored correctly during installation
  197. if(empty($_configuration['statistics_database']) && $already_installed)
  198. {
  199. $_configuration['statistics_database'] = $_configuration['main_database'];
  200. }
  201. // connect to the server database and select the main dokeos database
  202. $dokeos_database_connection = @mysql_connect($_configuration['db_host'], $_configuration['db_user'], $_configuration['db_password']) or die ($error_message_db_problem);
  203. if (! $_configuration['db_host'])
  204. {
  205. die($error_message_db_problem);
  206. }
  207. unset($error_message_db_problem);
  208. unset($error_message_not_installed);
  209. // The Dokeos system has not been designed to use special SQL modes that were introduced since MySQL 5
  210. api_sql_query("set session sql_mode='';", __FILE__, __LINE__);
  211. $selectResult = mysql_select_db($_configuration['main_database'],$dokeos_database_connection) or die ('<center>WARNING ! SYSTEM UNABLE TO SELECT THE MAIN DOKEOS DATABASE</center>');
  212. /*
  213. --------------------------------------------
  214. Initialization of the default encodings
  215. --------------------------------------------
  216. */
  217. // The platform's character set must be retrieved at this early moment.
  218. $sql = "SELECT selected_value FROM settings_current WHERE variable = 'platform_charset';";
  219. $result = api_sql_query($sql, __FILE__, __LINE__);
  220. while ($row = @mysql_fetch_array($result)) {
  221. $charset = $row[0];
  222. }
  223. if (empty($charset)) {
  224. $charset = "ISO-8859-15";
  225. }
  226. // Preserving the value of the global variable $charset.
  227. $charset_initial_value = $charset;
  228. // Initialization of the default encoding that will be used by the string routines.
  229. api_set_default_encoding($charset);
  230. /*
  231. --------------------------------------------
  232. RETRIEVING ALL THE DOKEOS CONFIG SETTINGS
  233. --------------------------------------------
  234. */
  235. if(!empty($_configuration['multiple_access_urls']))
  236. {
  237. $_configuration['access_url'] = 1;
  238. $access_urls = api_get_access_urls();
  239. $protocol = ((!empty($_SERVER['HTTPS']) && strtoupper($_SERVER['HTTPS'])!='OFF')?'https':'http').'://';
  240. $request_url1 = $protocol.$_SERVER['SERVER_NAME'].'/';
  241. $request_url2 = $protocol.$_SERVER['HTTP_HOST'].'/';
  242. foreach($access_urls as $details)
  243. {
  244. if($request_url1 == $details['url'] or $request_url2 == $details['url'])
  245. {
  246. $_configuration['access_url'] = $details['id'];
  247. }
  248. }
  249. }
  250. else
  251. {
  252. $_configuration['access_url'] = 1;
  253. }
  254. //$sql="SELECT * FROM settings_current";
  255. //$result=mysql_query($sql) or die(mysql_error());
  256. // access_url == 1 is the default dokeos location
  257. if ($_configuration['access_url']!=1)
  258. {
  259. $url_info = api_get_access_url($_configuration['access_url']);
  260. if ($url_info['active']==1)
  261. {
  262. $settings_by_access = api_get_settings(null,'list',$_configuration['access_url'],1);
  263. foreach($settings_by_access as $row)
  264. {
  265. if (empty($row['variable']))
  266. $row['variable']=0;
  267. if (empty($row['subkey']))
  268. $row['subkey']=0;
  269. if (empty($row['category']))
  270. $row['category']=0;
  271. $settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = $row;
  272. }
  273. }
  274. }
  275. //echo '<pre>';print_r($result_other_site);
  276. $result = api_get_settings(null,'list',1);
  277. //while ($row=mysql_fetch_array($result))
  278. foreach($result as $row)
  279. {
  280. if ($_configuration['access_url']!=1)
  281. {
  282. if ($url_info['active']==1)
  283. {
  284. if (empty($row['variable']))
  285. $var=0;
  286. else
  287. $var=$row['variable'];
  288. if (empty($row['subkey']))
  289. $subkey=0;
  290. else
  291. $subkey=$row['subkey'];
  292. if (empty($row['category']))
  293. $category=0;
  294. else
  295. $category=$row['category'];
  296. }
  297. if ($row['access_url_changeable']==1 && $url_info['active']==1)
  298. {
  299. if ($settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'] !='')
  300. {
  301. if ($row['subkey']==NULL)
  302. {
  303. $_setting[$row['variable']]= $settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
  304. }
  305. else
  306. {
  307. $_setting[$row['variable']][$row['subkey']]=$settings_by_access_list[ $var ] [ $subkey ] [$category ]['selected_value'];
  308. }
  309. }
  310. else
  311. {
  312. if ($row['subkey']==NULL)
  313. {
  314. $_setting[$row['variable']]=$row['selected_value'];
  315. }
  316. else
  317. {
  318. $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
  319. }
  320. }
  321. }
  322. else
  323. {
  324. if ($row['subkey']==NULL)
  325. {
  326. $_setting[$row['variable']]=$row['selected_value'];
  327. }
  328. else
  329. {
  330. $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
  331. }
  332. }
  333. }
  334. else
  335. {
  336. if ($row['subkey']==NULL)
  337. {
  338. $_setting[$row['variable']]=$row['selected_value'];
  339. }
  340. else
  341. {
  342. $_setting[$row['variable']][$row['subkey']]=$row['selected_value'];
  343. }
  344. }
  345. }
  346. //echo '<pre>';print_r($_setting);echo '</pre>';
  347. // we have to store the settings for the plugins differently because it expects an array
  348. //$sql="SELECT * FROM settings_current WHERE category='plugins'";
  349. //$result=mysql_query($sql) or die(mysql_error());
  350. $result = api_get_settings('Plugins','list',$_configuration['access_url']);
  351. $_plugins=array();
  352. //while ($row=mysql_fetch_array($result))
  353. foreach($result as $row)
  354. {
  355. $key= $row['variable'];
  356. if (is_string($_setting[$key]))
  357. {
  358. $_setting[$key]=array();
  359. }
  360. $_setting[$key][]=$row['selected_value'];
  361. $_plugins[$key][]=$row['selected_value'];
  362. }
  363. //load array Kses for Htmlpurifier
  364. require_once $includePath."/lib/formvalidator/Rule/allowed_tags.inc.php";
  365. //load htmpurifier
  366. require_once $includePath."/lib/htmlpurifier/library/HTMLPurifier.auto.php";
  367. // include the local (contextual) parameters of this course or section
  368. require($includePath."/local.inc.php");
  369. // ===== "who is logged in?" module section =====
  370. require_once($includePath."/lib/online.inc.php");
  371. // check and modify the date of user in the track.e.online table
  372. if (!$x=strpos($_SERVER['PHP_SELF'],'whoisonline.php'))
  373. {
  374. LoginCheck(isset($_user['user_id']) ? $_user['user_id'] : '',$_configuration['statistics_database']);
  375. }
  376. // ===== end "who is logged in?" module section =====
  377. if(api_get_setting('server_type') == 'test')
  378. {
  379. /*
  380. --------------------------------------------
  381. Server type is test
  382. - high error reporting level
  383. - only do addslashes on $_GET and $_POST
  384. --------------------------------------------
  385. */
  386. error_reporting(E_ALL & ~E_NOTICE);
  387. //error_reporting(E_ALL);
  388. //Addslashes to all $_GET variables
  389. foreach($_GET as $key=>$val)
  390. {
  391. if(!ini_get('magic_quotes_gpc'))
  392. {
  393. if(is_string($val))
  394. {
  395. $_GET[$key]=addslashes($val);
  396. }
  397. }
  398. }
  399. //Addslashes to all $_POST variables
  400. foreach($_POST as $key=>$val)
  401. {
  402. if(!ini_get('magic_quotes_gpc'))
  403. {
  404. if(is_string($val))
  405. {
  406. $_POST[$key]=addslashes($val);
  407. }
  408. }
  409. }
  410. }
  411. else
  412. {
  413. /*
  414. --------------------------------------------
  415. Server type is not test
  416. - normal error reporting level
  417. - full fake register globals block
  418. --------------------------------------------
  419. */
  420. error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
  421. if(!isset($HTTP_GET_VARS)) { $HTTP_GET_VARS=$_GET; }
  422. if(!isset($HTTP_POST_VARS)) { $HTTP_POST_VARS=$_POST; }
  423. if(!isset($HTTP_POST_FILES)) { $HTTP_POST_FILES=$_FILES; }
  424. if(!isset($HTTP_SESSION_VARS)) { $HTTP_SESSION_VARS=$_SESSION; }
  425. if(!isset($HTTP_SERVER_VARS)) { $HTTP_SERVER_VARS=$_SERVER; }
  426. // Register SESSION variables into $GLOBALS
  427. if(sizeof($HTTP_SESSION_VARS))
  428. {
  429. if(!is_array($_SESSION))
  430. {
  431. $_SESSION=array();
  432. }
  433. foreach($HTTP_SESSION_VARS as $key=>$val)
  434. {
  435. $_SESSION[$key]=$HTTP_SESSION_VARS[$key];
  436. $GLOBALS[$key]=$HTTP_SESSION_VARS[$key];
  437. }
  438. }
  439. // Register SERVER variables into $GLOBALS
  440. if(sizeof($HTTP_SERVER_VARS))
  441. {
  442. $_SERVER=array();
  443. foreach($HTTP_SERVER_VARS as $key=>$val)
  444. {
  445. $_SERVER[$key]=$HTTP_SERVER_VARS[$key];
  446. 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')
  447. {
  448. $GLOBALS[$key]=$HTTP_SERVER_VARS[$key];
  449. }
  450. }
  451. }
  452. }
  453. /*
  454. -----------------------------------------------------------
  455. LOAD LANGUAGE FILES SECTION
  456. -----------------------------------------------------------
  457. */
  458. // if we use the javascript version (without go button) we receive a get
  459. // if we use the non-javascript version (with the go button) we receive a post
  460. $user_language = '';
  461. if(!empty($_GET['language']))
  462. {
  463. $user_language = $_GET["language"];
  464. }
  465. if (!empty($_POST["language_list"]))
  466. {
  467. $user_language = str_replace("index.php?language=","",$_POST["language_list"]);
  468. }
  469. // Checking if we have a valid language. If not we set it to the platform language.
  470. $valid_languages=api_get_languages();
  471. if (!in_array($user_language,$valid_languages['folder']))
  472. {
  473. $user_language=api_get_setting('platformLanguage');
  474. }
  475. if (in_array($user_language,$valid_languages['folder']) and (isset($_GET['language']) OR isset($_POST['language_list'])))
  476. {
  477. $user_selected_language = $user_language; // $_GET["language"];
  478. $_SESSION["user_language_choice"] = $user_selected_language;
  479. $platformLanguage = $user_selected_language;
  480. }else{
  481. $platformLanguage = api_get_setting('platformLanguage');
  482. }
  483. if (isset($_SESSION["user_language_choice"]))
  484. {
  485. $language_interface = $_SESSION["user_language_choice"];
  486. }
  487. else
  488. {
  489. $language_interface = api_get_setting('platformLanguage');
  490. }
  491. if (isset($_user['language']))
  492. {
  493. $language_interface = $_user['language'];
  494. }
  495. if ($_course['language'])
  496. {
  497. $language_interface = $_course['language'];
  498. }
  499. // Sometimes the variable $language_interface is changed
  500. // temporarily for achieving translation in different language.
  501. // We need to save the genuine value of this variable and
  502. // to use it within the function get_lang(...).
  503. $language_interface_initial_value = $language_interface;
  504. // Initialization the default ICU locale id based in the current interface language.
  505. api_set_default_locale(api_get_locale_from_language($language_interface));
  506. /*
  507. * Include all necessary language files
  508. * - trad4all
  509. * - notification
  510. * - custom tool language files
  511. */
  512. $language_files = array();
  513. $language_files[] = 'trad4all';
  514. $language_files[] = 'notification';
  515. $language_files[] = 'accessibility';
  516. if( isset($language_file) )
  517. {
  518. if( !is_array($language_file))
  519. {
  520. $language_files[] = $language_file;
  521. }
  522. else
  523. {
  524. $language_files = array_merge($language_files,$language_file);
  525. }
  526. }
  527. // Include all files (first english and then current interface language)
  528. $langpath = api_get_path(SYS_CODE_PATH).'lang/';
  529. if (is_array($language_files)) {
  530. if (api_get_setting('allow_use_sub_language')=='true') {
  531. foreach ($language_files as $index => $language_file) {
  532. include $langpath.'english/'.$language_file.'.inc.php';
  533. $langfile = $langpath.$language_interface.'/'.$language_file.'.inc.php';
  534. $tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
  535. $sql_sub_language='SELECT dokeos_folder FROM '.$tbl_admin_languages.' WHERE parent_id=(SELECT id FROM '.$tbl_admin_languages.' WHERE dokeos_folder="'.Database::escape_string($language_interface).'" AND ISNULL(parent_id))';
  536. $rs_sub_language=Database::query($sql_sub_language,__FILE__,__LINE__);
  537. $row_sub_language=Database::result($rs_sub_language,0,'dokeos_folder');
  538. $sub_langfile = $langpath.$row_sub_language.'/'.$language_file.'.inc.php';
  539. if (file_exists($langfile)) {
  540. include $langfile;
  541. if (file_exists($sub_langfile)) {
  542. include $sub_langfile;
  543. }
  544. }
  545. }
  546. } else {
  547. foreach ($language_files as $index => $language_file) {
  548. include $langpath.'english/'.$language_file.'.inc.php';
  549. $langfile = $langpath.$language_interface.'/'.$language_file.'.inc.php';
  550. if (file_exists($langfile)) {
  551. include $langfile;
  552. }
  553. }
  554. }
  555. }
  556. // The global variable $charset has been defined in a language file too (trad4all.inc.php), this is legacy situation.
  557. // So, we have to reassign this variable again in order to keep its value right.
  558. $charset = $charset_initial_value;
  559. //Update of the logout_date field in the table track_e_login (needed for the calculation of the total connection time)
  560. if($_configuration['tracking_enabled'] && !isset($_SESSION['login_as']) && isset($_user))
  561. { // if $_SESSION['login_as'] is set, then the user is an admin logged as the user
  562. $tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  563. $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";
  564. $q_last_connection=api_sql_query($sql_last_connection);
  565. if(Database::num_rows($q_last_connection) > 0)
  566. {
  567. $i_id_last_connection=Database::result($q_last_connection,0,"login_id");
  568. $s_sql_update_logout_date="UPDATE $tbl_track_login SET logout_date=NOW() WHERE login_id='$i_id_last_connection'";
  569. api_sql_query($s_sql_update_logout_date);
  570. }
  571. }
  572. ?>