/**
* Logout from the CAS
*
*/
function prelogout_hook()
{
global $CFG, $USER, $DB;
if (!empty($this->config->logoutcas) && $USER->auth == $this->authtype) {
$backurl = !empty($this->config->logout_return_url) ? $this->config->logout_return_url : $CFG->wwwroot;
$this->connectCAS();
// Note: Hack to stable versions to trigger the event before it redirect to CAS logout.
$sid = session_id();
$event = \core\event\user_loggedout::create(array('userid' => $USER->id, 'objectid' => $USER->id, 'other' => array('sessionid' => $sid)));
if ($session = $DB->get_record('sessions', array('sid' => $sid))) {
$event->add_record_snapshot('sessions', $session);
}
\core\session\manager::terminate_current();
$event->trigger();
phpCAS::logoutWithRedirectService($backurl);
}
}
/**
* This function just makes sure a user is logged out.
*
* @package core_access
* @category access
*/
function require_logout()
{
global $USER, $DB;
if (!isloggedin()) {
// This should not happen often, no need for hooks or events here.
\core\session\manager::terminate_current();
return;
}
// Execute hooks before action.
$authplugins = array();
$authsequence = get_enabled_auth_plugins();
foreach ($authsequence as $authname) {
$authplugins[$authname] = get_auth_plugin($authname);
$authplugins[$authname]->prelogout_hook();
}
// Store info that gets removed during logout.
$sid = session_id();
$event = \core\event\user_loggedout::create(array('userid' => $USER->id, 'objectid' => $USER->id, 'other' => array('sessionid' => $sid)));
if ($session = $DB->get_record('sessions', array('sid' => $sid))) {
$event->add_record_snapshot('sessions', $session);
}
// Clone of $USER object to be used by auth plugins.
$user = fullclone($USER);
// Delete session record and drop $_SESSION content.
\core\session\manager::terminate_current();
// Trigger event AFTER action.
$event->trigger();
// Hook to execute auth plugins redirection after event trigger.
foreach ($authplugins as $authplugin) {
$authplugin->postlogout_hook($user);
}
}
function RWSLOMUser()
{
global $USER;
global $CFG;
global $DB;
global $RWSECAS;
if (!$RWSECAS) {
require_logout();
RWSSStat("1001");
}
if (respondusws_floatcompare($CFG->version, 2010122500, 2) >= 0) {
if (isloggedin()) {
$r_aus = get_enabled_auth_plugins();
foreach ($r_aus as $r_aun) {
$r_aup = get_auth_plugin($r_aun);
if (strcasecmp($r_aup->authtype, RWSCAS) == 0) {
$r_csp = $r_aup;
RWSPLOCas($r_csp);
} else {
$r_aup->prelogout_hook();
}
}
}
if (respondusws_floatcompare($CFG->version, 2014051200, 2) >= 0) {
$r_ssi = session_id();
$r_evt = \core\event\user_loggedout::create(array('userid' => $USER->id, 'objectid' => $USER->id, 'other' => array('sessionid' => $r_ssi)));
if ($r_ses = $DB->get_record('sessions', array('sid' => $r_ssi))) {
$r_evt->add_record_snapshot('sessions', $r_ses);
}
\core\session\manager::terminate_current();
$r_evt->trigger();
} else {
$r_prms = $USER;
events_trigger('user_logout', $r_prms);
if (respondusws_floatcompare($CFG->version, 2013111800, 2) >= 0) {
\core\session\manager::terminate_current();
} else {
session_get_instance()->terminate_current();
}
unset($r_prms);
}
} else {
RWSSErr("2006,{$CFG->version},2010122500");
}
RWSSStat("1001");
}
