global.inc.php 22 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * It is recommended that ALL Chamilo scripts include this important file.
  5. * This script manages
  6. * - include of /app/config/configuration.php;
  7. * - include of several libraries: api, database, display, text, security;
  8. * - selecting the main database;
  9. * - include of language files.
  10. *
  11. * @package chamilo.include
  12. * @todo remove the code that displays the button that links to the install page
  13. * but use a redirect immediately. By doing so the $alreadyInstalled variable can be removed.
  14. *
  15. */
  16. // Showing/hiding error codes in global error messages.
  17. define('SHOW_ERROR_CODES', false);
  18. // Include the libraries that are necessary everywhere
  19. require_once __DIR__.'/../../vendor/autoload.php';
  20. require_once __DIR__.'/../../app/AppKernel.php';
  21. $kernel = new AppKernel('', '');
  22. // Determine the directory path where this current file lies.
  23. // This path will be useful to include the other initialisation files.
  24. $includePath = __DIR__;
  25. // Include the main Chamilo platform configuration file.
  26. $alreadyInstalled = false;
  27. if (file_exists($kernel->getConfigurationFile())) {
  28. require_once $kernel->getConfigurationFile();
  29. $alreadyInstalled = true;
  30. // Recalculate a system absolute path symlinks insensible.
  31. $includePath = $_configuration['root_sys'].'main/inc/';
  32. } else {
  33. $_configuration = array();
  34. //Redirects to the main/install/ page
  35. if (!$alreadyInstalled) {
  36. $global_error_code = 2;
  37. // The system has not been installed yet.
  38. require_once __DIR__ . '/../inc/global_error_message.inc.php';
  39. die();
  40. }
  41. }
  42. $kernel->setApi($_configuration);
  43. // Ensure that _configuration is in the global scope before loading
  44. // main_api.lib.php. This is particularly helpful for unit tests
  45. if (!isset($GLOBALS['_configuration'])) {
  46. $GLOBALS['_configuration'] = $_configuration;
  47. }
  48. // Include the main Chamilo platform library file.
  49. require_once $_configuration['root_sys'].'main/inc/lib/api.lib.php';
  50. $passwordEncryption = api_get_configuration_value('password_encryption');
  51. if ($passwordEncryption === 'bcrypt') {
  52. require_once __DIR__.'/../../vendor/ircmaxell/password-compat/lib/password.php';
  53. }
  54. // Check the PHP version
  55. api_check_php_version($includePath.'/');
  56. // Specification for usernames:
  57. // 1. ASCII-letters, digits, "." (dot), "_" (underscore) are acceptable, 40 characters maximum length.
  58. // 2. Empty username is formally valid, but it is reserved for the anonymous user.
  59. // 3. Checking the login_is_email portal setting in order to accept 100 chars maximum
  60. $defaultUserNameLength = 40;
  61. if (api_get_setting('login_is_email') == 'true') {
  62. $defaultUserNameLength = 100;
  63. }
  64. define('USERNAME_MAX_LENGTH', $defaultUserNameLength);
  65. // Fix bug in IIS that doesn't fill the $_SERVER['REQUEST_URI'].
  66. api_request_uri();
  67. define('_MPDF_TEMP_PATH', __DIR__.'/../../app/cache/mpdf/');
  68. define('_MPDF_TTFONTDATAPATH', __DIR__.'/../../app/cache/mpdf/');
  69. // Include the libraries that are necessary everywhere
  70. require_once __DIR__.'/../../vendor/autoload.php';
  71. // Do not over-use this variable. It is only for this script's local use.
  72. $libraryPath = __DIR__.'/lib/';
  73. // @todo convert this libs in classes
  74. require_once $libraryPath.'database.constants.inc.php';
  75. require_once $libraryPath.'text.lib.php';
  76. require_once $libraryPath.'array.lib.php';
  77. require_once $libraryPath.'online.inc.php';
  78. require_once $libraryPath.'banner.lib.php';
  79. require_once $libraryPath.'fileManage.lib.php';
  80. require_once $libraryPath.'fileUpload.lib.php';
  81. require_once $libraryPath.'fileDisplay.lib.php';
  82. require_once $libraryPath.'course_category.lib.php';
  83. if (!is_dir(_MPDF_TEMP_PATH)) {
  84. mkdir(_MPDF_TEMP_PATH, api_get_permissions_for_new_directories(), true);
  85. }
  86. // Connect to the server database and select the main chamilo database.
  87. // When $_configuration['db_persistent_connection'] is set, it is expected to be a boolean type.
  88. /*$dbPersistConnection = api_get_configuration_value('db_persistent_connection');
  89. // $_configuration['db_client_flags'] can be set in configuration.php to pass
  90. // flags to the DB connection
  91. $dbFlags = api_get_configuration_value('db_client_flags');
  92. $params = array(
  93. 'server' => $_configuration['db_host'],
  94. 'username' => $_configuration['db_user'],
  95. 'password' => $_configuration['db_password'],
  96. 'persistent' => $dbPersistConnection,
  97. 'client_flags' => $dbFlags,
  98. );*/
  99. // Doctrine ORM configuration
  100. $dbParams = array(
  101. 'driver' => 'pdo_mysql',
  102. 'host' => $_configuration['db_host'],
  103. 'user' => $_configuration['db_user'],
  104. 'password' => $_configuration['db_password'],
  105. 'dbname' => $_configuration['main_database'],
  106. // Only relevant for pdo_sqlite, specifies the path to the SQLite database.
  107. 'path' => isset($_configuration['db_path']) ? $_configuration['db_path'] : '',
  108. // Only relevant for pdo_mysql, pdo_pgsql, and pdo_oci/oci8,
  109. 'port' => isset($_configuration['db_port']) ? $_configuration['db_port'] : ''
  110. );
  111. try {
  112. $database = new \Database();
  113. $database->connect($dbParams);
  114. } catch (Exception $e) {
  115. $global_error_code = 3;
  116. // The database server is not available or credentials are invalid.
  117. require $includePath.'/global_error_message.inc.php';
  118. die();
  119. }
  120. /* RETRIEVING ALL THE CHAMILO CONFIG SETTINGS FOR MULTIPLE URLs FEATURE*/
  121. if (!empty($_configuration['multiple_access_urls'])) {
  122. $_configuration['access_url'] = 1;
  123. $access_urls = api_get_access_urls();
  124. $root_rel = api_get_self();
  125. $root_rel = substr($root_rel, 1);
  126. $pos = strpos($root_rel, '/');
  127. $root_rel = substr($root_rel, 0, $pos);
  128. $protocol = 'http://';
  129. if (!empty($_SERVER['HTTPS']) && strtoupper($_SERVER['HTTPS']) != 'OFF') {
  130. $protocol = 'https://';
  131. } elseif (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
  132. $protocol = 'https://';
  133. }
  134. //urls with subdomains (HTTP_HOST is preferred - see #6764)
  135. $request_url_root = '';
  136. if (empty($_SERVER['HTTP_HOST'])) {
  137. if (empty($_SERVER['SERVER_NAME'])) {
  138. $request_url_root = $protocol . 'localhost/';
  139. } else {
  140. $request_url_root = $protocol . $_SERVER['SERVER_NAME'] . '/';
  141. }
  142. } else {
  143. $request_url_root = $protocol.$_SERVER['HTTP_HOST'].'/';
  144. }
  145. //urls with subdirs
  146. $request_url_sub = $request_url_root.$root_rel.'/';
  147. // You can use subdirs as multi-urls, but in this case none of them can be
  148. // the root dir. The admin portal should be something like https://host/adm/
  149. // At this time, subdirs will still hold a share cookie, so not ideal yet
  150. // see #6510
  151. foreach ($access_urls as $details) {
  152. if ($request_url_sub == $details['url']) {
  153. $_configuration['access_url'] = $details['id'];
  154. break; //found one match with subdir, get out of foreach
  155. }
  156. // Didn't find any? Now try without subdirs
  157. if ($request_url_root == $details['url']) {
  158. $_configuration['access_url'] = $details['id'];
  159. break; //found one match, get out of foreach
  160. }
  161. }
  162. } else {
  163. $_configuration['access_url'] = 1;
  164. }
  165. $charset = 'UTF-8';
  166. // Enables the portability layer and configures PHP for UTF-8
  167. \Patchwork\Utf8\Bootup::initAll();
  168. // Start session after the internationalization library has been initialized.
  169. ChamiloSession::instance()->start($alreadyInstalled);
  170. // Remove quotes added by PHP - get_magic_quotes_gpc() is deprecated in PHP 5 see #2970
  171. if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) {
  172. array_walk_recursive_limited($_GET, 'stripslashes', true);
  173. array_walk_recursive_limited($_POST, 'stripslashes', true);
  174. array_walk_recursive_limited($_COOKIE, 'stripslashes', true);
  175. array_walk_recursive_limited($_REQUEST, 'stripslashes', true);
  176. }
  177. // access_url == 1 is the default chamilo location
  178. if ($_configuration['access_url'] != 1) {
  179. $url_info = api_get_access_url($_configuration['access_url']);
  180. if ($url_info['active'] == 1) {
  181. $settings_by_access = & api_get_settings(null, 'list', $_configuration['access_url'], 1);
  182. foreach ($settings_by_access as & $row) {
  183. if (empty($row['variable'])) {
  184. $row['variable'] = 0;
  185. }
  186. if (empty($row['subkey'])) {
  187. $row['subkey'] = 0;
  188. }
  189. if (empty($row['category'])) {
  190. $row['category'] = 0;
  191. }
  192. $settings_by_access_list[$row['variable']][$row['subkey']][$row['category']] = $row;
  193. }
  194. }
  195. }
  196. $result = & api_get_settings(null, 'list', 1);
  197. foreach ($result as & $row) {
  198. if ($_configuration['access_url'] != 1) {
  199. if ($url_info['active'] == 1) {
  200. $var = empty($row['variable']) ? 0 : $row['variable'];
  201. $subkey = empty($row['subkey']) ? 0 : $row['subkey'];
  202. $category = empty($row['category']) ? 0 : $row['category'];
  203. }
  204. if ($row['access_url_changeable'] == 1 && $url_info['active'] == 1) {
  205. if (isset($settings_by_access_list[$var]) &&
  206. $settings_by_access_list[$var][$subkey][$category]['selected_value'] != '') {
  207. if ($row['subkey'] == null) {
  208. $_setting[$row['variable']] = $settings_by_access_list[$var][$subkey][$category]['selected_value'];
  209. } else {
  210. $_setting[$row['variable']][$row['subkey']] = $settings_by_access_list[$var][$subkey][$category]['selected_value'];
  211. }
  212. } else {
  213. if ($row['subkey'] == null) {
  214. $_setting[$row['variable']] = $row['selected_value'];
  215. } else {
  216. $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
  217. }
  218. }
  219. } else {
  220. if ($row['subkey'] == null) {
  221. $_setting[$row['variable']] = $row['selected_value'];
  222. } else {
  223. $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
  224. }
  225. }
  226. } else {
  227. if ($row['subkey'] == null) {
  228. $_setting[$row['variable']] = $row['selected_value'];
  229. } else {
  230. $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
  231. }
  232. }
  233. }
  234. $result = & api_get_settings('Plugins', 'list', $_configuration['access_url']);
  235. $_plugins = array();
  236. foreach ($result as & $row) {
  237. $key = & $row['variable'];
  238. if (isset($_setting[$key]) && is_string($_setting[$key])) {
  239. $_setting[$key] = array();
  240. }
  241. $_setting[$key][] = $row['selected_value'];
  242. $_plugins[$key][] = $row['selected_value'];
  243. }
  244. // Error reporting settings.
  245. if (api_get_setting('server_type') == 'test') {
  246. ini_set('display_errors', '1');
  247. ini_set('log_errors', '1');
  248. error_reporting(-1);
  249. if (function_exists('opcache_reset')) {
  250. opcache_reset();
  251. }
  252. } else {
  253. error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
  254. }
  255. // Load allowed tag definitions for kses and/or HTMLPurifier.
  256. require_once $libraryPath.'formvalidator/Rule/allowed_tags.inc.php';
  257. // Before we call local.inc.php, let's define a global $this_section variable
  258. // which will then be usable from the banner and header scripts
  259. $this_section = SECTION_GLOBAL;
  260. // Include Chamilo Mail conf this is added here because the api_get_setting works
  261. // Fixes bug in Chamilo 1.8.7.1 array was not set
  262. $administrator['email'] = isset($administrator['email']) ? $administrator['email'] : 'admin@example.com';
  263. $administrator['name'] = isset($administrator['name']) ? $administrator['name'] : 'Admin';
  264. // Including configuration files
  265. $configurationFiles = array(
  266. 'mail.conf.php',
  267. 'profile.conf.php',
  268. 'course_info.conf.php',
  269. 'add_course.conf.php',
  270. 'events.conf.php',
  271. 'auth.conf.php',
  272. 'portfolio.conf.php'
  273. );
  274. foreach ($configurationFiles as $file) {
  275. $file = api_get_path(CONFIGURATION_PATH).$file;
  276. if (file_exists($file)) {
  277. require_once $file;
  278. }
  279. }
  280. /* LOAD LANGUAGE FILES SECTION */
  281. // if we use the javascript version (without go button) we receive a get
  282. // if we use the non-javascript version (with the go button) we receive a post
  283. $user_language = '';
  284. $browser_language = '';
  285. // see #8149
  286. if (!empty($_SESSION['user_language_choice'])) {
  287. $user_language = $_SESSION['user_language_choice'];
  288. }
  289. if (!empty($_GET['language'])) {
  290. $user_language = $_GET['language'];
  291. }
  292. if (!empty($_POST['language_list'])) {
  293. $user_language = str_replace('index.php?language=', '', $_POST['language_list']);
  294. }
  295. if (empty($user_language) && !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) && !isset($_SESSION['_user'])) {
  296. $l = SubLanguageManager::getLanguageFromBrowserPreference($_SERVER['HTTP_ACCEPT_LANGUAGE']);
  297. if (!empty($l)) {
  298. $user_language = $browser_language = $l;
  299. }
  300. }
  301. // Include all files (first english and then current interface language)
  302. $langpath = api_get_path(SYS_LANG_PATH);
  303. /* This will only work if we are in the page to edit a sub_language */
  304. if (isset($this_script) && $this_script == 'sub_language') {
  305. // getting the arrays of files i.e notification, trad4all, etc
  306. $language_files_to_load = SubLanguageManager:: get_lang_folder_files_list(
  307. api_get_path(SYS_LANG_PATH).'english',
  308. true
  309. );
  310. //getting parent info
  311. $parent_language = SubLanguageManager::get_all_information_of_language($_REQUEST['id']);
  312. //getting sub language info
  313. $sub_language = SubLanguageManager::get_all_information_of_language($_REQUEST['sub_language_id']);
  314. $english_language_array = $parent_language_array = $sub_language_array = array();
  315. foreach ($language_files_to_load as $language_file_item) {
  316. $lang_list_pre = array_keys($GLOBALS);
  317. //loading english
  318. $path = $langpath.'english/'.$language_file_item.'.inc.php';
  319. if (file_exists($path)) {
  320. include $path;
  321. }
  322. $lang_list_post = array_keys($GLOBALS);
  323. $lang_list_result = array_diff($lang_list_post, $lang_list_pre);
  324. unset($lang_list_pre);
  325. // english language array
  326. $english_language_array[$language_file_item] = compact($lang_list_result);
  327. //cleaning the variables
  328. foreach ($lang_list_result as $item) {
  329. unset(${$item});
  330. }
  331. $parent_file = $langpath.$parent_language['dokeos_folder'].'/'.$language_file_item.'.inc.php';
  332. if (file_exists($parent_file) && is_file($parent_file)) {
  333. include_once $parent_file;
  334. }
  335. // parent language array
  336. $parent_language_array[$language_file_item] = compact($lang_list_result);
  337. //cleaning the variables
  338. foreach ($lang_list_result as $item) {
  339. unset(${$item});
  340. }
  341. $sub_file = $langpath.$sub_language['dokeos_folder'].'/'.$language_file_item.'.inc.php';
  342. if (file_exists($sub_file) && is_file($sub_file)) {
  343. include $sub_file;
  344. }
  345. // sub language array
  346. $sub_language_array[$language_file_item] = compact($lang_list_result);
  347. //cleaning the variables
  348. foreach ($lang_list_result as $item) {
  349. unset(${$item});
  350. }
  351. }
  352. }
  353. // Checking if we have a valid language. If not we set it to the platform language.
  354. $valid_languages = api_get_languages();
  355. if (!empty($valid_languages)) {
  356. if (!in_array($user_language, $valid_languages['folder'])) {
  357. $user_language = api_get_setting('platformLanguage');
  358. }
  359. $language_priority1 = api_get_setting('languagePriority1');
  360. $language_priority2 = api_get_setting('languagePriority2');
  361. $language_priority3 = api_get_setting('languagePriority3');
  362. $language_priority4 = api_get_setting('languagePriority4');
  363. if (isset($_GET['language']) ||
  364. (isset($_POST['language_list']) && !empty($_POST['language_list'])) ||
  365. !empty($browser_language)
  366. ) {
  367. $user_selected_language = $user_language; // $_GET['language']; or HTTP_ACCEPT_LANGUAGE
  368. $_SESSION['user_language_choice'] = $user_selected_language;
  369. $platformLanguage = $user_selected_language;
  370. }
  371. if (!empty($language_priority4) && api_get_language_from_type($language_priority4) !== false) {
  372. $language_interface = api_get_language_from_type($language_priority4);
  373. } else {
  374. $language_interface = api_get_setting('platformLanguage');
  375. }
  376. if (!empty($language_priority3) && api_get_language_from_type($language_priority3) !== false) {
  377. $language_interface = api_get_language_from_type($language_priority3);
  378. } else {
  379. if (isset($_SESSION['user_language_choice'])) {
  380. $language_interface = $_SESSION['user_language_choice'];
  381. }
  382. }
  383. if (!empty($language_priority2) && api_get_language_from_type($language_priority2) !== false) {
  384. $language_interface = api_get_language_from_type($language_priority2);
  385. } else {
  386. if (isset($_user['language'])) {
  387. $language_interface = $_user['language'];
  388. }
  389. }
  390. if (!empty($language_priority1) && api_get_language_from_type($language_priority1) !== false) {
  391. $language_interface = api_get_language_from_type($language_priority1);
  392. } else {
  393. if (isset($_course['language'])) {
  394. $language_interface = $_course['language'];
  395. }
  396. }
  397. // If language is set via browser ignore the priority
  398. if (isset($_GET['language'])) {
  399. $language_interface = $user_language;
  400. }
  401. }
  402. // Sometimes the variable $language_interface is changed
  403. // temporarily for achieving translation in different language.
  404. // We need to save the genuine value of this variable and
  405. // to use it within the function get_lang(...).
  406. $language_interface_initial_value = $language_interface;
  407. /**
  408. * Include the trad4all language file
  409. */
  410. // if the sub-language feature is on
  411. $parent_path = SubLanguageManager::get_parent_language_path($language_interface);
  412. if (!empty($parent_path)) {
  413. // include English
  414. include $langpath.'english/trad4all.inc.php';
  415. // prepare string for current language and its parent
  416. $lang_file = $langpath.$language_interface.'/trad4all.inc.php';
  417. $parent_lang_file = $langpath.$parent_path.'/trad4all.inc.php';
  418. // load the parent language file first
  419. if (file_exists($parent_lang_file)) {
  420. include $parent_lang_file;
  421. }
  422. // overwrite the parent language translations if there is a child
  423. if (file_exists($lang_file)) {
  424. include $lang_file;
  425. }
  426. } else {
  427. // if the sub-languages feature is not on, then just load the
  428. // set language interface
  429. // include English
  430. include $langpath.'english/trad4all.inc.php';
  431. // prepare string for current language
  432. $langfile = $langpath.$language_interface.'/trad4all.inc.php';
  433. if (file_exists($langfile)) {
  434. include $langfile;
  435. }
  436. }
  437. // include the local (contextual) parameters of this course or section
  438. require $includePath.'/local.inc.php';
  439. // The global variable $text_dir has been defined in the language file trad4all.inc.php.
  440. // For determining text direction correspondent to the current language
  441. // we use now information from the internationalization library.
  442. $text_dir = api_get_text_direction();
  443. // ===== "who is logged in?" module section =====
  444. // check and modify the date of user in the track.e.online table
  445. if (!$x = strpos($_SERVER['PHP_SELF'], 'whoisonline.php')) {
  446. preventMultipleLogin($_user["user_id"]);
  447. LoginCheck(isset($_user['user_id']) ? $_user['user_id'] : '');
  448. }
  449. // ===== end "who is logged in?" module section =====
  450. //Update of the logout_date field in the table track_e_login
  451. // (needed for the calculation of the total connection time)
  452. if (!isset($_SESSION['login_as']) && isset($_user)) {
  453. // if $_SESSION['login_as'] is set, then the user is an admin logged as the user
  454. $tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  455. $sql = "SELECT login_id, login_date
  456. FROM $tbl_track_login
  457. WHERE
  458. login_user_id='".$_user["user_id"]."'
  459. ORDER BY login_date DESC
  460. LIMIT 0,1";
  461. $q_last_connection = Database::query($sql);
  462. if (Database::num_rows($q_last_connection) > 0) {
  463. $i_id_last_connection = Database::result($q_last_connection, 0, 'login_id');
  464. // is the latest logout_date still relevant?
  465. $sql = "SELECT logout_date FROM $tbl_track_login
  466. WHERE login_id = $i_id_last_connection";
  467. $q_logout_date = Database::query($sql);
  468. $res_logout_date = convert_sql_date(Database::result($q_logout_date, 0, 'logout_date'));
  469. if ($res_logout_date < time() - $_configuration['session_lifetime']) {
  470. // it isn't, we should create a fresh entry
  471. Event::event_login($_user['user_id']);
  472. // now that it's created, we can get its ID and carry on
  473. $i_id_last_connection = Database::result($q_last_connection, 0, 'login_id');
  474. }
  475. $now = api_get_utc_datetime(time());
  476. $sql = "UPDATE $tbl_track_login SET logout_date = '$now'
  477. WHERE login_id='$i_id_last_connection'";
  478. Database::query($sql);
  479. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  480. $sql = "UPDATE $tableUser SET last_login = '$now'
  481. WHERE user_id = ".$_user["user_id"];
  482. Database::query($sql);
  483. }
  484. }
  485. // Add language_measure_frequency to your main/inc/conf/configuration.php in
  486. // order to generate language variables frequency measurements (you can then
  487. // see them through main/cron/lang/langstats.php)
  488. // The langstat object will then be used in the get_lang() function.
  489. // This block can be removed to speed things up a bit as it should only ever
  490. // be used in development versions.
  491. if (isset($_configuration['language_measure_frequency']) &&
  492. $_configuration['language_measure_frequency'] == 1
  493. ) {
  494. require_once api_get_path(SYS_CODE_PATH).'/cron/lang/langstats.class.php';
  495. $langstats = new langstats();
  496. }
  497. //Default quota for the course documents folder
  498. $default_quota = api_get_setting('default_document_quotum');
  499. //Just in case the setting is not correctly set
  500. if (empty($default_quota)) {
  501. $default_quota = 100000000;
  502. }
  503. define('DEFAULT_DOCUMENT_QUOTA', $default_quota);
  504. // Forcing PclZip library to use a custom temporary folder.
  505. define('PCLZIP_TEMPORARY_DIR', api_get_path(SYS_ARCHIVE_PATH));