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227 lines
8.1 KiB
227 lines
8.1 KiB
<?php
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/* Written by Noel Dieschburg <noel@cblue.be> for the paris5 university
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* Checks if the user is already logged in via the cas system
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* Gets all the info via the ldap module (ldap has to work)
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*/
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require_once api_get_path(SYS_PATH).'main/auth/cas/cas_var.inc.php';
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require_once api_get_path(SYS_PATH).'main/auth/external_login/ldap.inc.php';
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require_once api_get_path(SYS_PATH).'main/auth/external_login/functions.inc.php';
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/**
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* @return true if cas is configured
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*
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**/
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function cas_configured()
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{
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global $cas_auth_ver, $cas_auth_server, $cas_auth_port, $cas_auth_uri;
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$res = false;
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if (!empty($cas_auth_ver) && !empty($cas_auth_server) && !empty($cas_auth_port)) {
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$res = true;
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}
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return $res;
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}
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/**
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* checks if the user already get a session
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* @return the user login if the user already has a session ,false otherwise
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**/
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function cas_is_authenticated()
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{
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global $cas_auth_ver, $cas_auth_server, $cas_auth_port, $cas_auth_uri;
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global $PHPCAS_CLIENT;
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global $logout;
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if (!cas_configured()) {
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return;
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}
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if (!is_object($PHPCAS_CLIENT)) {
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phpCAS::client($cas_auth_ver, $cas_auth_server, $cas_auth_port, $cas_auth_uri);
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phpCAS::setNoCasServerValidation();
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}
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$auth = phpCAS::checkAuthentication();
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if ($auth) {
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$login = trim(phpCAS::getUser());
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/*
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Get user attributes. Here are the attributes for crdp platform
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sn => name
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ENTPersonMailInterne => mail
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ENTPersonAlias => login
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ENTPersonProfils => profil
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givenName => first name
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*/
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/*$user=phpCAS::getAttributes();
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$firstName = trim($user['givenName']);
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$lastName = trim($user['sn']);
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$login = trim($user['ENTPersonAlias']);
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$profil = trim($user['ENTPersonProfils']);
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$email = trim($user['ENTPersonMailInterne']);
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$satus=5;
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switch ($profil){
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case 'admin_etab':
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$status=3; //Session admin
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break;
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case 'admin_sie':
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$status=3; //Session admin
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break;
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case 'National_3':
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$status=1; // Teacher
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break;
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case 'National_1':
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$status=5; // Student
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break;
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default:
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$status=5; // Student
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}*/
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if (!$logout) {
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// get user info from username
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$tab_user_info = api_get_user_info($login);
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// user found in the chamilo database
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if (is_array($tab_user_info)) {
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// if option is on we update user automatically from ldap server
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if (api_get_setting("update_user_info_cas_with_ldap") == "true") {
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$ldapuser = extldap_authenticate($login, 'nopass', true);
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if ($ldapuser !== false) {
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$chamilo_user = extldap_get_chamilo_user($ldapuser);
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$chamilo_user['user_id'] = $tab_user_info['user_id'];
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$chamilo_user['status'] = $tab_user_info['status'];
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UserManager::update_user(
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$chamilo_user["user_id"],
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$chamilo_user["firstname"],
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$chamilo_user["lastname"],
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$login,
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null,
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null,
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$chamilo_user["email"],
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$chamilo_user["status"],
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'',
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'',
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'',
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'',
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1,
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null,
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0,
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null,
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''
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);
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}
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}
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return $login;
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} // user not found
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else {
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// if option is on we can ADD user automatically from ldap server or by modify own profil
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$user_added = false;
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switch (api_get_setting("cas_add_user_activate")) {
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case PLATFORM_AUTH_SOURCE:
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// user will have to modify firstname, lastname, email in chamilo profil edit
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$userdata = get_lang("EditInProfil");
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UserManager::create_user(
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$userdata,
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$userdata,
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'5',
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$userdata,
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$login,
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'casplaceholder',
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'',
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'',
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'',
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'',
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CAS_AUTH_SOURCE
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);
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$user_added = $login;
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break;
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case LDAP_AUTH_SOURCE:
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// user info are read from ldap connexion
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// get user info from ldap server
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// user has already been authenticated by CAS
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// If user not found in LDAP, user not created
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$ldapuser = extldap_authenticate($login, 'nopass', true);
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if ($ldapuser !== false) {
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$chamilo_user = extldap_get_chamilo_user($ldapuser);
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$chamilo_user['username'] = $login;
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$chamilo_user['auth_source'] = CAS_AUTH_SOURCE;
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$chamilo_uid = external_add_user($chamilo_user);
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$user_added = $login;
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}
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break;
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default:
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break;
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}
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return $user_added;
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}
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}
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// //If the user is in the dokeos database and we are ,not in a logout request, we upgrade his infomration by ldap
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// if (! $logout){
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// $user_table = Database::get_main_table(TABLE_MAIN_USER);
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// $sql = "SELECT user_id, username, password, auth_source, active, expiration_date ".
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// "FROM $user_table ".
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// "WHERE username = '$login' ";
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//
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// $result = Database::query($sql,__FILE__,__LINE__);
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// if(mysql_num_rows($result) == 0) {
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// require_once(api_get_path(SYS_PATH).'main/inc/lib/usermanager.lib.php');
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// $rnumber=rand(0,256000);
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// UserManager::create_user($firstName, $lastName, $status, $email, $login, md5('casplaceholder'.$rnumber), $official_code='',$language='',$phone='',$picture_uri='',$auth_source = PLATFORM_AUTH_SOURCE);
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// }
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// else {
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// $user = mysql_fetch_assoc($result);
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// $user_id = intval($user['user_id']);
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// //echo "deb : $status";
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// UserManager::update_user ($user_id, $firstname, $lastname, $login, null, null, $email, $status, '', '', '', '', 1, null, 0, null,'') ;
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//
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// }
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// }
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return $login;
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} else {
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return false;
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}
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}
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/**
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* Logs out the user of the cas
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* The user MUST be logged in with cas to use this function
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*
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* @param $uinfo array user info (not needed)
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* @param $location string redirect url
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*
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* @see online_logout()
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*/
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function cas_logout($uinfo = null, $location = null)
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{
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global $cas_auth_ver, $cas_auth_server, $cas_auth_port, $cas_auth_uri;
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global $PHPCAS_CLIENT;
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if (!is_object($PHPCAS_CLIENT)) {
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phpCAS::client($cas_auth_ver, $cas_auth_server, $cas_auth_port, $cas_auth_uri);
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phpCAS::setNoCasServerValidation();
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}
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if (!isset($location)) {
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$location = api_get_path(WEB_PATH);
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}
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phpCAS::logoutWithRedirectService($location);
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}
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/*
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* Return the direct URL to a course code with CAS login
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*/
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function get_cas_direct_URL($in_course_code)
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{
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return api_get_path(WEB_PATH).'main/auth/cas/logincas.php?firstpage='.$in_course_code;
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}
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function getCASLogoHTML()
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{
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$out_res = "";
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if (api_get_setting("casLogoURL") != "") {
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$out_res = "<img src='".api_get_setting("casLogoURL")."' alt='CAS Logo' />";
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}
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return $out_res;
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}
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