login already done, continue with this value $_user['user_id'] = $_SESSION['_user']['user_id']; //Check if we have to reset user data //This param can be used to reload user data if user has been logged by external script if (isset($_SESSION['_user']['uidReset']) && $_SESSION['_user']['uidReset']) { $uidReset = true; } } else { if (isset($_user['user_id'])) { unset($_user['user_id']); } // Platform legal terms and conditions if (api_get_setting('allow_terms_conditions') == 'true') { if (isset($_POST['login']) && isset($_POST['password']) && isset($_SESSION['term_and_condition']['user_id']) ) { // user id $user_id = $_SESSION['term_and_condition']['user_id']; // Update the terms & conditions $legal_type = null; //verify type of terms and conditions if (isset($_POST['legal_info'])) { $info_legal = explode(':', $_POST['legal_info']); $legal_type = LegalManager::get_type_of_terms_and_conditions( $info_legal[0], $info_legal[1] ); } //is necessary verify check if ($legal_type == 1) { if ((isset($_POST['legal_accept']) && $_POST['legal_accept']=='1')) { $legal_option = true; } else { $legal_option = false; } } //no is check option if ($legal_type == 0) { $legal_option=true; } if (isset($_POST['legal_accept_type']) && $legal_option===true) { $cond_array = explode(':', $_POST['legal_accept_type']); if (!empty($cond_array[0]) && !empty($cond_array[1])) { $time = time(); $condition_to_save = intval($cond_array[0]).':'.intval($cond_array[1]).':'.$time; UserManager::update_extra_field_value($user_id, 'legal_accept', $condition_to_save); } } } } //IF cas is activated and user isn't logged in if (api_get_setting('cas_activate') == 'true') { $cas_activated = true; } else { $cas_activated = false; } $cas_login = false; if ($cas_activated and !isset($_user['user_id']) and !isset($_POST['login']) && !$logout) { require_once(api_get_path(SYS_PATH).'main/auth/cas/authcas.php'); $cas_login = cas_is_authenticated(); } if ((isset($_POST['login']) and isset($_POST['password'])) or ($cas_login)) { // $login && $password are given to log in if ($cas_login && empty($_POST['login'])) { $login = $cas_login; } else { $login = $_POST['login']; $password = $_POST['password']; } //Lookup the user in the main database $user_table = Database::get_main_table(TABLE_MAIN_USER); $sql = "SELECT user_id, username, password, auth_source, active, expiration_date, status FROM $user_table WHERE username = '".Database::escape_string($login)."'"; $result = Database::query($sql); $captchaValidated = true; $allowCaptcha = isset($_configuration['allow_captcha']) ? $_configuration['allow_captcha'] : false; if (Database::num_rows($result) > 0) { $uData = Database::fetch_array($result); if ($allowCaptcha) { // Checking captcha if (isset($_POST['captcha'])) { // Check captcha $captchaText = $_POST['captcha']; /** @var Text_CAPTCHA $obj */ $obj = isset($_SESSION['userportal.lib']) ? $_SESSION['userportal.lib'] : null; if ($obj) { $obj->getPhrase(); if ($obj->getPhrase() != $captchaText) { $captchaValidated = false; } else { $captchaValidated = true; } } if (isset($_SESSION['captcha_question'])) { $captcha_question = $_SESSION['captcha_question']; $captcha_question->destroy(); } } // Redirect to login page if ($captchaValidated == false) { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header('Location: '.api_get_path(WEB_PATH).'index.php?loginFailed=1&error=wrong_captcha'); exit; } // Check if account is blocked by captcha user extra field see function api_block_account_captcha() $blockedUntilDate = api_get_user_blocked_by_captcha($login); if (isset($blockedUntilDate) && !empty($blockedUntilDate)) { if (time() > api_strtotime($blockedUntilDate, 'UTC')) { api_clean_account_captcha($login); } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header('Location: '.api_get_path(WEB_PATH).'index.php?loginFailed=1&error=blocked_by_captcha'); exit; } } } if ($uData['auth_source'] == PLATFORM_AUTH_SOURCE || $uData['auth_source'] == CAS_AUTH_SOURCE) { //The authentification of this user is managed by Chamilo itself $password = api_get_encrypted_password(trim(stripslashes($password))); // Check the user's password if (($password == $uData['password'] or $cas_login) and (trim($login) == $uData['username'])) { $update_type = UserManager::get_extra_user_data_by_field($uData['user_id'], 'update_type'); $update_type= $update_type['update_type']; if (!empty($extAuthSource[$update_type]['updateUser']) && file_exists($extAuthSource[$update_type]['updateUser']) ) { include_once $extAuthSource[$update_type]['updateUser']; } // Check if the account is active (not locked) if ($uData['active'] == '1') { // Check if the expiration date has not been reached if ($uData['expiration_date'] > date('Y-m-d H:i:s') or $uData['expiration_date'] == '0000-00-00 00:00:00' ) { global $_configuration; if (isset($_configuration['multiple_access_urls']) && $_configuration['multiple_access_urls'] ) { //Check if user is an admin $my_user_is_admin = UserManager::is_admin($uData['user_id']); // This user is subscribed in these sites => $my_url_list $my_url_list = api_get_access_url_from_user($uData['user_id']); //Check the access_url configuration setting if // the user is registered in the access_url_rel_user table //Getting the current access_url_id of the platform $current_access_url_id = api_get_current_access_url_id(); if ($my_user_is_admin === false) { // the user have the permissions to enter at this site if (is_array($my_url_list) && in_array($current_access_url_id, $my_url_list)) { ConditionalLogin::check_conditions($uData); $_user['user_id'] = $uData['user_id']; $_user['status'] = $uData['status']; Session::write('_user', $_user); event_login(); $logging_in = true; } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); // Fix cas redirection loop // https://support.chamilo.org/issues/6124 $location = api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=access_url_inactive'; if ($cas_login) { cas_logout(null, $location); } else { header('Location: '.$location); } exit; } } else { //Only admins of the "main" (first) Chamilo portal can login wherever they want if (in_array(1, $my_url_list)) { //Check if this admin have the access_url_id = 1 which means the principal ConditionalLogin::check_conditions($uData); $_user['user_id'] = $uData['user_id']; $_user['status'] = $uData['status']; Session::write('_user', $_user); event_login(); } else { //This means a secondary admin wants to login so we check as he's a normal user if (in_array($current_access_url_id, $my_url_list)) { $_user['user_id'] = $uData['user_id']; $_user['status'] = $uData['status']; Session::write('_user', $_user); event_login(); } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header( 'Location: '.api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=access_url_inactive' ); exit; } } } } else { ConditionalLogin::check_conditions($uData); $_user['user_id'] = $uData['user_id']; $_user['status'] = $uData['status']; Session::write('_user', $_user); event_login(); $logging_in = true; } } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header( 'Location: '.api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=account_expired' ); exit; } } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header( 'Location: '.api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=account_inactive' ); exit; } } else { // login failed: username or password incorrect $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); if ($allowCaptcha) { if (isset($_SESSION['loginFailedCount'])) { $_SESSION['loginFailedCount']++; } else { $_SESSION['loginFailedCount'] = 1; } $numberMistakesToBlockAccount = isset($_configuration['captcha_number_mistakes_to_block_account']) ? $_configuration['captcha_number_mistakes_to_block_account'] : 10; if (isset($_SESSION['loginFailedCount'])) { if ($_SESSION['loginFailedCount'] >= $numberMistakesToBlockAccount) { api_block_account_captcha($login); } } } header( 'Location: '.api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=user_password_incorrect' ); exit; } if (isset($uData['creator_id']) && $_user['user_id'] != $uData['creator_id']) { //first login for a not self registred //e.g. registered by a teacher //do nothing (code may be added later) } } elseif (!empty($extAuthSource[$uData['auth_source']]['login']) && file_exists($extAuthSource[$uData['auth_source']]['login']) ) { /* * Process external authentication * on the basis of the given login name */ $loginFailed = true; // Default initialisation. It could // change after the external authentication $key = $uData['auth_source']; //'ldap','shibboleth'... /* >>>>>>>> External authentication modules <<<<<<<<< */ // see configuration.php to define these include_once($extAuthSource[$key]['login']); /* >>>>>>>> External authentication modules <<<<<<<<< */ } else { // no standard Chamilo login - try external authentification //huh... nothing to do... we shouldn't get here error_log( 'Chamilo Authentication file defined in'. ' $extAuthSource could not be found - this might prevent'. ' your system from doing the corresponding authentication'. ' process', 0 ); } } else { // login failed, Database::num_rows($result) <= 0 $loginFailed = true; // Default initialisation. It could // change after the external authentication /* * In this section: * there is no entry for the $login user in the Chamilo * database. This also means there is no auth_source for the user. * We let all external procedures attempt to add him/her * to the system. * * Process external login on the basis * of the authentication source list * provided by the configuration settings. * If the login succeeds, for going further, * Chamilo needs the $_user['user_id'] variable to be * set and registered in the session. It's the * responsability of the external login script * to provide this $_user['user_id']. */ if (isset($extAuthSource) && is_array($extAuthSource)) { foreach ($extAuthSource as $thisAuthSource) { if (!empty($thisAuthSource['newUser']) && file_exists($thisAuthSource['newUser'])) { include_once($thisAuthSource['newUser']); } else { error_log( 'Chamilo Authentication file '. $thisAuthSource['newUser']. ' could not be found - this might prevent your system from using'. ' the authentication process in the user creation process', 0 ); } } } //end if is_array($extAuthSource) if ($loginFailed) { //If we are here username given is wrong Session::write('loginFailed', '1'); header( 'Location: '.api_get_path(WEB_PATH) .'index.php?loginFailed=1&error=user_password_incorrect' ); exit; } } //end else login failed } elseif (api_get_setting('sso_authentication') === 'true' && !in_array('webservices', explode('/', $_SERVER['REQUEST_URI'])) ) { /** * TODO: * - Work on a better validation for webservices paths. Current is very poor and exit */ $subsso = api_get_setting('sso_authentication_subclass'); if (!empty($subsso)) { require_once api_get_path(SYS_CODE_PATH).'auth/sso/sso.'.$subsso.'.class.php'; $subsso = 'sso'.$subsso; $osso = new $subsso(); //load the subclass } else { $osso = new sso(); } if (isset($_SESSION['_user']['user_id'])) { if ($logout) { // Make custom redirect after logout online_logout($_SESSION['_user']['user_id'], false); $osso->logout(); //redirects and exits } } elseif (!$logout) { // Handle cookie comming from Master Server // Use this first line if you want users to still see the // homepage without connecting //if (!isset($_GET['sso_referer']) && !isset($_GET['loginFailed']) && isset($_GET['sso_cookie'])) { // Use this second line if you want all users to be redirected // unless they are connected (removed req on sso_cookie) if (!isset($_GET['sso_referer']) && !isset($_GET['loginFailed'])) { // Redirect to master server $osso->ask_master(); } elseif (isset($_GET['sso_cookie'])) { // Here we are going to check the origin of // what the call says should be used for // authentication, and ensure we know it $matches_domain = false; if (isset($_GET['sso_referer'])) { $protocol = api_get_setting('sso_authentication_protocol'); // sso_authentication_domain can list // several, comma-separated, domains $master_urls = preg_split('/,/', api_get_setting('sso_authentication_domain')); if (!empty($master_urls)) { $master_auth_uri = api_get_setting('sso_authentication_auth_uri'); foreach ($master_urls as $mu) { if (empty($mu)) { continue; } // For each URL, check until we find *one* that matches the $_GET['sso_referer'], // then skip other possibilities // Do NOT compare the whole referer, as this might cause confusing errors with friendly urls, // like in Drupal /?q=user& vs /user? $referrer = substr($_GET['sso_referer'], 0, strrpos($_GET['sso_referer'], '/')); if ($protocol.trim($mu) === $referrer) { $matches_domain = true; break; } } } else { error_log( 'Your sso_authentication_master param is empty. '. 'Check the platform configuration, security section. '. 'It can be a list of comma-separated domains' ); } } if ($matches_domain) { //make all the process of checking //if the user exists (delegated to the sso class) $osso->check_user(); } else { error_log('Check the sso_referer URL in your script, it doesn\'t match any of the possibilities'); //Request comes from unknown source $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header('Location: '.api_get_path(WEB_PATH).'index.php?loginFailed=1&error=unrecognize_sso_origin'); exit; } } }//end logout ... else ... login } elseif (api_get_setting('openid_authentication')=='true') { if (!empty($_POST['openid_url'])) { include api_get_path(SYS_CODE_PATH).'auth/openid/login.php'; openid_begin(trim($_POST['openid_url']), api_get_path(WEB_PATH).'index.php'); //this last function should trigger a redirect, so we can die here safely die('Openid login redirection should be in progress'); } elseif (!empty($_GET['openid_identity'])) { //it's usual for PHP to replace '.' (dot) by '_' (underscore) in URL parameters include(api_get_path(SYS_CODE_PATH).'auth/openid/login.php'); $res = openid_complete($_GET); if ($res['status'] == 'success') { $id1 = Database::escape_string($res['openid.identity']); //have another id with or without the final '/' $id2 = (substr($id1, -1, 1)=='/'?substr($id1, 0, -1):$id1.'/'); //lookup the user in the main database $user_table = Database::get_main_table(TABLE_MAIN_USER); $sql = "SELECT user_id, username, password, auth_source, active, expiration_date FROM $user_table WHERE openid = '$id1' OR openid = '$id2' "; $result = Database::query($sql); if ($result !== false) { if (Database::num_rows($result)>0) { //$row = Database::fetch_array($res); $uData = Database::fetch_array($result); if ($uData['auth_source'] == PLATFORM_AUTH_SOURCE) { //the authentification of this user is managed by Chamilo itself // check if the account is active (not locked) if ($uData['active']=='1') { // check if the expiration date has not been reached if ($uData['expiration_date']>date('Y-m-d H:i:s') or $uData['expiration_date']=='0000-00-00 00:00:00' ) { $_user['user_id'] = $uData['user_id']; $_user['status'] = $uData['status']; Session::write('_user', $_user); event_login(); } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header('Location: index.php?loginFailed=1&error=account_expired'); exit; } } else { $loginFailed = true; Session::erase('_uid'); Session::write('loginFailed', '1'); header('Location: index.php?loginFailed=1&error=account_inactive'); exit; } if (isset($uData['creator_id']) && $_user['user_id'] != $uData['creator_id']) { //first login for a not self registred //e.g. registered by a teacher //do nothing (code may be added later) } } } else { //Redirect to the subscription form header( 'Location: '.api_get_path(WEB_CODE_PATH) .'auth/inscription.php?username='.$res['openid.sreg.nickname'] .'&email='.$res['openid.sreg.email'] .'&openid='.$res['openid.identity'] .'&openid_msg=idnotfound' ); Session::write('loginFailed', '1'); exit; //$loginFailed = true; } } else { $loginFailed = true; } } else { $loginFailed = true; } } } elseif (KeyAuth::is_enabled()) { $success = KeyAuth::instance()->login(); if ($success) { $use_anonymous = false; } } $uidReset = true; // $cidReset = true; // $gidReset = true; } // end else // Now check for anonymous user mode if (isset($use_anonymous) && $use_anonymous) { //if anonymous mode is set, then try to set the current user as anonymous //if he doesn't have a login yet api_set_anonymous(); } else { //if anonymous mode is not set, then check if this user is anonymous. If it //is, clean it from being anonymous (make him a nobody :-)) api_clear_anonymous(); } // if there is a cDir parameter in the URL (coming from courses/.htaccess redirection) if (!empty($cDir)) { $c = CourseManager::get_course_id_from_path($cDir); if ($c) { $cidReq = $c; } } // if the requested course is different from the course in session if (!empty($cidReq) && (!isset($_SESSION['_cid']) or (isset($_SESSION['_cid']) && $cidReq != $_SESSION['_cid'])) ) { $cidReset = true; $gidReset = true; // As groups depend from courses, group id is reset } /* USER INIT */ if (isset($uidReset) && $uidReset) { // session data refresh requested unset($_SESSION['_user']['uidReset']); $is_platformAdmin = false; $is_allowedCreateCourse = false; if (isset($_user['user_id']) && $_user['user_id'] && !api_is_anonymous()) { //if (isset($_user['user_id']) && $_user['user_id']) { // a uid is given (log in succeeded) $_SESSION['loginFailed'] = false; unset($_SESSION['loginFailedCount']); unset($_SESSION['loginToBlock']); $user_table = Database::get_main_table(TABLE_MAIN_USER); $admin_table = Database::get_main_table(TABLE_MAIN_ADMIN); $track_e_login = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN); $sql = "SELECT user.*, a.user_id is_admin, login.login_date FROM $user_table LEFT JOIN $admin_table a ON user.user_id = a.user_id LEFT JOIN $track_e_login login ON user.user_id = login.login_user_id WHERE user.user_id = '".$_user['user_id']."' ORDER BY login.login_date DESC LIMIT 1"; $result = Database::query($sql); if (Database::num_rows($result) > 0) { // Extracting the user data $uData = Database::fetch_array($result); $_user = _api_format_user($uData, false); $_user['lastLogin'] = api_strtotime($uData['login_date'], 'UTC'); $is_platformAdmin = (bool) (! is_null($uData['is_admin'])); $is_allowedCreateCourse = (bool) (($uData ['status'] == COURSEMANAGER) or (api_get_setting('drhCourseManagerRights') and $uData['status'] == DRH)); ConditionalLogin::check_conditions($uData); Session::write('_user', $_user); UserManager::update_extra_field_value($_user['user_id'], 'already_logged_in', 'true'); Session::write('is_platformAdmin', $is_platformAdmin); Session::write('is_allowedCreateCourse', $is_allowedCreateCourse); } else { header('location:'.api_get_path(WEB_PATH)); //exit("WARNING UNDEFINED UID !! "); } } else { if (!api_is_anonymous()) { // no uid => logout or Anonymous Session::erase('_user'); Session::erase('_uid'); } } Session::write('is_platformAdmin', $is_platformAdmin); Session::write('is_allowedCreateCourse', $is_allowedCreateCourse); } else { // continue with the previous values $_user = $_SESSION['_user']; $is_platformAdmin = isset($_SESSION['is_platformAdmin']) ? $_SESSION['is_platformAdmin'] : false; $is_allowedCreateCourse = isset($_SESSION['is_allowedCreateCourse']) ? $_SESSION['is_allowedCreateCourse'] : false; } /* COURSE INIT */ if (isset($cidReset) && $cidReset) { // Course session data refresh requested or empty data if ($cidReq) { $_course = api_get_course_info($cidReq); if (!empty($_course)) { //@TODO real_cid should be cid, for working with numeric course id $_real_cid = $_course['real_id']; $_cid = $_course['code']; Session::write('_real_cid', $_real_cid); Session::write('_cid', $_cid); Session::write('_course', $_course); // if a session id has been given in url, we store the session // Database Table Definitions $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION); $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE); $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER); if (!empty($_GET['id_session'])) { $_SESSION['id_session'] = intval($_GET['id_session']); $sql = 'SELECT name FROM '.$tbl_session . ' WHERE id="'.intval($_SESSION['id_session']) . '"'; $rs = Database::query($sql); list($_SESSION['session_name']) = Database::fetch_array($rs); } else { Session::erase('session_name'); Session::erase('id_session'); } if (!empty($_GET['gidReq'])) { $_SESSION['_gid'] = intval($_GET['gidReq']); } else { Session::erase('_gid'); } if (!isset($_SESSION['login_as'])) { //Course login if (isset($_user['user_id'])) { event_course_login($_course['code'], $_user['user_id'], api_get_session_id()); } } } else { //exit("WARNING UNDEFINED CID !! "); header('location:'.api_get_path(WEB_PATH)); } } else { Session::erase('_cid'); Session::erase('_real_cid'); Session::erase('_course'); if (!empty($_SESSION)) { foreach ($_SESSION as $key => $session_item) { if (strpos($key, 'lp_autolunch_') === false) { continue; } else { if (isset($_SESSION[$key])) { Session::erase($key); } } } } // Deleting session info. if (api_get_session_id()) { Session::erase('id_session'); Session::erase('session_name'); } if (api_get_group_id()) { Session::erase('_gid'); } } } else { // Continue with the previous values if (empty($_SESSION['_course']) && !empty($_SESSION['_cid'])) { //Just in case $_course is empty we try to load if the c_id still exists $_course = api_get_course_info($_SESSION['_cid']); if (!empty($_course)) { $_real_cid = $_course['real_id']; $_cid = $_course['code']; Session::write('_real_cid', $_real_cid); Session::write('_cid', $_cid); Session::write('_course', $_course); } } if (empty($_SESSION['_course']) or empty($_SESSION['_cid'])) { //no previous values... $_cid = -1; // Set default values $_course = -1; } else { $_cid = $_SESSION['_cid']; $_course = $_SESSION['_course']; // these lines are usefull for tracking. Indeed we can have lost the id_session and not the cid. // Moreover, if we want to track a course with another session it can be usefull if (!empty($_GET['id_session']) && is_numeric($_GET['id_session'])) { $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION); $sql = 'SELECT name FROM '.$tbl_session . ' WHERE id="'.intval($_SESSION['id_session']). '"'; $rs = Database::query($sql); list($_SESSION['session_name']) = Database::fetch_array($rs); $_SESSION['id_session'] = intval($_GET['id_session']); } if (!empty($_REQUEST['gidReq'])) { $_SESSION['_gid'] = intval($_REQUEST['gidReq']); $group_table = Database::get_course_table(TABLE_GROUP); $sql = "SELECT * FROM $group_table WHERE c_id = ".$_course['real_id']." AND id = '$gidReq'"; $result = Database::query($sql); if (Database::num_rows($result) > 0) { // This group has recorded status related to this course $gpData = Database::fetch_array($result); $_gid = $gpData ['id']; Session::write('_gid', $_gid); } } if (!isset($_SESSION['login_as'])) { $save_course_access = true; //The value $_dont_save_user_course_access should be added before the call of global.inc.php see the main/inc/chat.ajax.php file //Disables the updates in the TRACK_E_COURSE_ACCESS table if (isset($_dont_save_user_course_access) && $_dont_save_user_course_access == true) { $save_course_access = false; } if ($save_course_access) { $course_tracking_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS); /* * When $_configuration['session_lifetime'] is too big 100 hours (in order to let users take exercises with no problems) * the function Tracking::get_time_spent_on_the_course() returns big values (200h) due the condition: * login_course_date > now() - INTERVAL $session_lifetime SECOND * */ /* if (isset($_configuration['session_lifetime'])) { $session_lifetime = $_configuration['session_lifetime']; } else { $session_lifetime = 3600; // 1 hour }*/ $session_lifetime = 3600; // 1 hour $course_code = $_course['sysCode']; $time = api_get_utc_datetime(); if (isset($_user['user_id']) && !empty($_user['user_id'])) { //We select the last record for the current course in the course tracking table //But only if the login date is < than now + max_life_time $sql = "SELECT course_access_id FROM $course_tracking_table WHERE user_id = ".intval($_user ['user_id'])." AND course_code = '$course_code' AND session_id = ".api_get_session_id()." AND login_course_date > '$time' - INTERVAL $session_lifetime SECOND ORDER BY login_course_date DESC LIMIT 0,1"; $result = Database::query($sql); if (Database::num_rows($result) > 0) { $i_course_access_id = Database::result($result, 0, 0); //We update the course tracking table $sql = "UPDATE $course_tracking_table SET logout_course_date = '$time', counter = counter+1 WHERE course_access_id = ".intval($i_course_access_id)." AND session_id = ".api_get_session_id(); Database::query($sql); } else { $sql="INSERT INTO $course_tracking_table (course_code, user_id, login_course_date, logout_course_date, counter, session_id)" . "VALUES('".$course_code."', '".$_user['user_id']."', '$time', '$time', '1','".api_get_session_id()."')"; Database::query($sql); } } } } } } /* COURSE / USER REL. INIT */ $session_id = api_get_session_id(); $user_id = isset($_user['user_id']) ? $_user['user_id'] : null; //Course permissions //if this code is uncommented in some platforms the is_courseAdmin is not correctly saved see BT#5789 /*$is_courseAdmin = false; //course teacher $is_courseTutor = false; //course teacher - some rights $is_courseMember = false; //course student $is_courseCoach = false; //course coach */ //Course - User permissions $is_sessionAdmin = false; $is_courseCoach = false; //course coach $is_courseAdmin = false; $is_courseTutor = false; $is_courseMember = false; if ((isset($uidReset) && $uidReset) || (isset($cidReset) && $cidReset)) { if (isset($_cid) && $_cid) { $my_user_id = isset($user_id) ? intval($user_id) : 0; $variable = 'accept_legal_'.$my_user_id.'_'.$_course['real_id'].'_'.$session_id; $user_pass_open_course = false; if (api_check_user_access_to_legal($_course['visibility']) && Session::read($variable)) { $user_pass_open_course = true; } //Checking if the user filled the course legal agreement if ($_course['activate_legal'] == 1 && !api_is_platform_admin() && !api_is_anonymous()) { $user_is_subscribed = CourseManager::is_user_accepted_legal($user_id, $_course['id'], $session_id) || $user_pass_open_course; if (!$user_is_subscribed) { $url = api_get_path(WEB_CODE_PATH).'course_info/legal.php?course_code='.$_course['code'].'&session_id='.$session_id; header('Location: '.$url); exit; } } } if (isset($user_id) && $user_id && isset($_cid) && $_cid) { //Check if user is subscribed in a course $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER); $sql = "SELECT * FROM $course_user_table WHERE user_id = '".$user_id."' AND relation_type <> ".COURSE_RELATION_TYPE_RRHH." AND course_code = '$cidReq'"; $result = Database::query($sql); $cuData = null; if (Database::num_rows($result) > 0) { // this user have a recorded state for this course $cuData = Database::fetch_array($result, 'ASSOC'); $is_courseAdmin = (bool) ($cuData['status'] == 1 ); $is_courseTutor = (bool) ($cuData['tutor_id' ] == 1 ); $is_courseMember = true; $_courseUser['role'] = $cuData['role']; Session::write('_courseUser', $_courseUser); } // We are in a session course? Check session permissions if (!empty($session_id)) { // I'm not the teacher of the course if ($is_courseAdmin == false) { // This user has no status related to this course // The user is subscribed in a session? The user is a Session coach a Session admin ? $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION); $tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE); $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER); // Session coach, session admin or course coach admin $sql = "SELECT session.id_coach, session_admin_id, session_rcru.id_user FROM $tbl_session session, $tbl_session_course_user session_rcru WHERE session_rcru.id_session = session.id AND session_rcru.course_code = '$_cid' AND session_rcru.id_user = '$user_id' AND session_rcru.id_session = $session_id AND session_rcru.status = 2 "; $result = Database::query($sql); $row = Database::store_result($result); // Am I a session admin? if (isset($row) && isset($row[0]) && $row[0]['session_admin_id'] == $user_id) { $_courseUser['role'] = 'Professor'; $is_courseMember = false; $is_courseTutor = false; $is_courseAdmin = false; $is_courseCoach = false; $is_sessionAdmin = true; } else { // Am I a session coach for this session? $sql = "SELECT id, id_coach FROM $tbl_session session ". "INNER JOIN $tbl_session_course sc ". "ON sc.id_session = session.id ". "WHERE session.id = $session_id ". "AND session.id_coach = $user_id ". "AND sc.course_code = '$_cid'"; $result = Database::query($sql); if (Database::num_rows($result)) { $_courseUser['role'] = 'Professor'; $is_courseMember = true; $is_courseTutor = false; $is_courseCoach = true; $is_sessionAdmin = false; } else { // Am I a course coach or a student? $sql = "SELECT cu.id_user, cu.status ". "FROM $tbl_session_course_user cu ". "WHERE course_code = '$_cid' AND ". " cu.id_user = '".$user_id."' AND ". " cu.id_session = '".$session_id."' ". "LIMIT 1"; $result = Database::query($sql); if (Database::num_rows($result)) { $row = Database::fetch_array($result, 'ASSOC'); $session_course_status = $row['status']; switch ($session_course_status) { case '2': // coach - teacher $_courseUser['role'] = 'Professor'; $is_courseMember = true; $is_courseTutor = true; $is_courseCoach = true; $is_sessionAdmin = false; if (api_get_setting('extend_rights_for_coach') == 'true') { $is_courseAdmin = true; } else { $is_courseAdmin = false; } Session::write('_courseUser', $_courseUser); break; case '0': //Student $_courseUser['role'] = ''; $is_courseMember = true; $is_courseTutor = false; $is_courseAdmin = false; $is_courseCoach = false; $is_sessionAdmin = false; Session::write('_courseUser', $_courseUser); break; default: //unregister user $_courseUser['role'] = ''; $is_courseMember = false; $is_courseTutor = false; $is_courseAdmin = false; $is_sessionAdmin = false; $is_courseCoach = false; Session::erase('_courseUser'); break; } } else { // Unregister user $is_courseMember = false; $is_courseTutor = false; $is_courseAdmin = false; $is_sessionAdmin = false; $is_courseCoach = false; Session::erase('_courseUser'); } } } // Drh can enter to a course as an student see BT#6770 if (api_drh_can_access_all_session_content()) { $sessionInfo = SessionManager::getSessionFollowedByDrh($user_id, $session_id); if (!empty($sessionInfo) && !empty($sessionInfo['course_list'])) { if (isset($sessionInfo['course_list'][$_course['real_id']])) { $_courseUser['role'] = ''; $is_courseMember = true; $is_courseTutor = false; $is_courseCoach = false; $is_sessionAdmin = false; } } } } //If I'm the admin platform i'm a teacher of the course if ($is_platformAdmin) { $is_courseAdmin = true; } } } else { // keys missing => not anymore in the course - user relation // course $is_courseMember = false; $is_courseAdmin = false; $is_courseTutor = false; $is_courseCoach = false; $is_sessionAdmin = false; Session::erase('_courseUser'); } //Checking the course access $is_allowed_in_course = false; if (isset($_course) && isset($_course['visibility'])) { switch ($_course['visibility']) { case COURSE_VISIBILITY_OPEN_WORLD: //3 $is_allowed_in_course = true; break; case COURSE_VISIBILITY_OPEN_PLATFORM: //2 if (isset($user_id) && !api_is_anonymous($user_id)) { $is_allowed_in_course = true; } break; case COURSE_VISIBILITY_REGISTERED: //1 if ($is_platformAdmin || $is_courseMember) { $is_allowed_in_course = true; } break; case COURSE_VISIBILITY_CLOSED: //0 if ($is_platformAdmin || $is_courseAdmin) { $is_allowed_in_course = true; } break; case COURSE_VISIBILITY_HIDDEN: //4 if ($is_platformAdmin) { $is_allowed_in_course = true; } } } if (!$is_platformAdmin) { if (!$is_courseMember && isset($_course['registration_code']) && !empty($_course['registration_code']) && !Session::read('course_password_'.$_course['real_id'], false) ) { // if we are here we try to access to a course requiring password if ($is_allowed_in_course) { // the course visibility allows to access the course // with a password $url = api_get_path(WEB_CODE_PATH).'auth/set_temp_password.php?course_id='.$_course['real_id'].'&session_id='.$session_id; header('Location: '.$url); exit; } else { $is_courseMember = false; $is_courseAdmin = false; $is_courseTutor = false; $is_courseCoach = false; $is_sessionAdmin = false; $is_allowed_in_course = false; } } } // check the session visibility if ($is_allowed_in_course == true) { //if I'm in a session if ($session_id != 0) { if (!$is_platformAdmin) { // admin is not affected to the invisible session mode $session_visibility = api_get_session_visibility($session_id); switch ($session_visibility) { case SESSION_INVISIBLE: $is_allowed_in_course = false; break; } //checking date } } } // save the states if (isset($is_courseAdmin)) { Session::write('is_courseAdmin', $is_courseAdmin); } if (isset($is_courseMember)) { Session::write('is_courseMember', $is_courseMember); } if (isset($is_courseTutor)) { Session::write('is_courseTutor', $is_courseTutor); } Session::write('is_courseCoach', $is_courseCoach); Session::write('is_allowed_in_course', $is_allowed_in_course); Session::write('is_sessionAdmin', $is_sessionAdmin); } else { // continue with the previous values if (isset($_SESSION['_courseUser'])) { $_courseUser = $_SESSION ['_courseUser']; } $is_courseAdmin = isset($_SESSION ['is_courseAdmin']) ? $_SESSION ['is_courseAdmin'] : false; $is_courseTutor = isset($_SESSION ['is_courseTutor']) ? $_SESSION ['is_courseTutor'] : false; $is_courseCoach = isset($_SESSION ['is_courseCoach']) ? $_SESSION ['is_courseCoach'] : false; $is_courseMember = isset($_SESSION ['is_courseMember']) ? $_SESSION ['is_courseMember'] : false; $is_allowed_in_course = isset($_SESSION ['is_allowed_in_course']) ? $_SESSION ['is_allowed_in_course'] : false; } //set variable according to student_view_enabled choices if (api_get_setting('student_view_enabled') == "true") { if (isset($_GET['isStudentView'])) { if ($_GET['isStudentView'] == 'true') { if (isset($_SESSION['studentview'])) { if (!empty($_SESSION['studentview'])) { // switching to studentview $_SESSION['studentview'] = 'studentview'; } } } elseif ($_GET['isStudentView'] == 'false') { if (isset($_SESSION['studentview'])) { if (!empty($_SESSION['studentview'])) { // switching to teacherview $_SESSION['studentview'] = 'teacherview'; } } } } elseif (!empty($_SESSION['studentview'])) { //all is fine, no change to that, obviously } elseif (empty($_SESSION['studentview'])) { // We are in teacherview here $_SESSION['studentview'] = 'teacherview'; } } if (isset($_cid)) { $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); $time = api_get_utc_datetime(); $sql = "UPDATE $tbl_course SET last_visit= '$time' WHERE code='$_cid'"; Database::query($sql); } // direct login to course if ((isset($cas_login) && $cas_login && exist_firstpage_parameter()) || ($logging_in && exist_firstpage_parameter()) ) { $redirectCourseDir = api_get_firstpage_parameter(); api_delete_firstpage_parameter(); // delete the cookie if (!isset($_SESSION['request_uri'])) { if (CourseManager::get_course_id_from_path($redirectCourseDir)) { $_SESSION['noredirection'] = false; $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH) . $redirectCourseDir; } } } elseif (api_user_is_login() && exist_firstpage_parameter()) { $redirectCourseDir = api_get_firstpage_parameter(); api_delete_firstpage_parameter(); // delete the cookie if (CourseManager::get_course_id_from_path($redirectCourseDir)) { $_SESSION['noredirection'] = false; $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH) . $redirectCourseDir; } } Redirect::session_request_uri($logging_in, $user_id);