public static function getLoggedInUsers()
{
$items = self::getAll();
if (count($items) == 0) {
return array();
}
$users = array();
foreach ($items as $item) {
$data = adodb_unserialize(urldecode($item['sessdata']));
if ($data[self::PREFIX . 'user_id'] > 0) {
$users[] = array('user_id' => $data[self::PREFIX . 'user_id'], 'user_name' => $data[self::PREFIX . 'user_name'], 'user_email' => $data[self::PREFIX . 'user_email'], 'user_realname' => $data[self::PREFIX . 'user_realname'], 'user_logon' => $item['created']);
}
}
return $users;
}
function LogoutNotification($SessionID)
{
global $CFG, $SESSION, $DB;
// Delete session of user using $SessionID
if (empty($CFG->dbsessions)) {
// File session
$dir = $CFG->dataroot . '/sessions';
if (is_dir($dir)) {
if ($dh = opendir($dir)) {
// Read all session files
while (($file = readdir($dh)) !== false) {
// Check if it is a file
if (is_file($dir . '/' . $file)) {
$session_key = preg_replace('/sess_/', '', $file);
// Read session file data
$data = file($dir . '/' . $file);
if (isset($data[0])) {
$user_session = unserializesession($data[0]);
// Check if we have found session that shall be deleted
if (isset($user_session['SESSION']) && isset($user_session['SESSION']->shibboleth_session_id)) {
// If there is a match, delete file
if ($user_session['SESSION']->shibboleth_session_id == $SessionID) {
// Delete session file
if (!unlink($dir . '/' . $file)) {
return new SoapFault('LogoutError', 'Could not delete Moodle session file.');
}
}
}
}
}
}
closedir($dh);
}
}
} else {
// DB Session
//TODO: this needs to be rewritten to use new session stuff
if (!empty($CFG->sessiontimeout)) {
$ADODB_SESS_LIFE = $CFG->sessiontimeout;
}
if ($user_session_data = $DB->get_records_sql('SELECT sesskey, sessdata FROM {sessions2} WHERE expiry > NOW()')) {
foreach ($user_session_data as $session_data) {
// Get user session
$user_session = adodb_unserialize(urldecode($session_data->sessdata));
if (isset($user_session['SESSION']) && isset($user_session['SESSION']->shibboleth_session_id)) {
// If there is a match, delete file
if ($user_session['SESSION']->shibboleth_session_id == $SessionID) {
// Delete this session entry
if (ADODB_Session::destroy($session_data->sesskey) !== true) {
return new SoapFault('LogoutError', 'Could not delete Moodle session entry in database.');
}
}
}
}
}
}
// If now SoapFault was thrown the function will return OK as the SP assumes
}
