/**
* Returns the currently authenticated user, or null if a user has not been authenticated.
*
* @return IAuthenticatable || null
*/
protected function GetCurrentUser()
{
if (!$this->_cu) {
$this->Phreezer->Observe("Loading CurrentUser from Session");
$this->_cu = Authenticator::GetCurrentUser($this->GUID);
if ($this->_cu) {
if (get_class($this->_cu) == "__PHP_Incomplete_Class") {
// this happens if the class used for authentication was not included before the session was started
$tmp = print_r($this->_cu, 1);
$parts1 = explode("__PHP_Incomplete_Class_Name] => ", $tmp);
$parts2 = explode("[", $parts1[1]);
$name = trim($parts2[0]);
Authenticator::ClearAuthentication($this->GUID);
throw new Exception("The class definition used for authentication '{$name}' must be defined (included) before the session is started, for example in _config.php.");
} else {
$this->_cu->Refresh($this->Phreezer);
}
}
} else {
$this->Phreezer->Observe("Using previously loaded CurrentUser");
}
return $this->_cu;
}
