/**
* Create's a new instance of the login module with the passed class name.
*
* @param \AppserverIo\Lang\String $className The login module class name
*
* @return \AppserverIo\Psr\Security\Auth\Spi\LoginModuleInterface The login module instance
*/
public function createLoginModuleInstance(string $className)
{
return parent::createLoginModuleInstance($className);
}
/**
* Finally tries to authenticate the user with the passed name.
*
* @param \AppserverIo\Lang\String $username The name of the user to authenticate
* @param \AppserverIo\Psr\Security\Auth\Callback\CallbackHandlerInterface $callbackHandler The callback handler used to load the credentials
*
* @return \AppserverIo\Security\PrincipalInterface|null The authenticated user principal
*/
public function authenticateByUsernameAndCallbackHandler(string $username, CallbackHandlerInterface $callbackHandler)
{
try {
// initialize the subject and the configuration
$subject = new Subject();
$configuration = $this->getConfiguration();
// initialize the LoginContext and try to login the user
$loginContext = new LoginContext($subject, $callbackHandler, $configuration);
$loginContext->login();
// create and return a new Principal of the authenticated user
return $this->createPrincipal($username, $subject, $loginContext);
} catch (\Exception $e) {
// add the exception to the stack
$this->getExceptionStack()->add($e);
// load the system logger and debug log the exception
/** @var \Psr\Log\LoggerInterface $systemLogger */
if ($systemLogger = $this->getAuthenticationManager()->getApplication()->getNamingDirectory()->search(NamingDirectoryKeys::SYSTEM_LOGGER)) {
$systemLogger->error($e->__toString());
}
}
}
