module ActionController::HttpAuthentication::Digest::ControllerMethods

def authenticate_or_request_with_http_digest(realm = "Application", message = nil, &password_procedure)
  authenticate_with_http_digest(realm, &password_procedure) || request_http_digest_authentication(realm, message)
end

def authenticate_with_http_digest(realm = "Application", &password_procedure)
  HttpAuthentication::Digest.authenticate(request, realm, &password_procedure)
end

def request_http_digest_authentication(realm = "Application", message = nil)
  HttpAuthentication::Digest.authentication_request(self, realm, message)
end