class Controller(object): def __init__(self): self.authentication = Authentication(database) self.request = request self.render = render_template self.abort = abort self.request = request self.redirect = redirect self.url_for = url_for @staticmethod def authentication_required(view_function): def decorator(self, *args, **kwargs): if not self.user_is_authenticated(): return self.prompt_for_password() return view_function(self, *args, **kwargs) return decorator def user_is_authenticated(self): request_header = request.headers.get('Authorization') if not self.authentication.is_valid_authentication_format(request_header): return False encoded_credentials = self.authentication.extract_encoded_credentials(request_header) decoded_credentials = self.authentication.decode_credentials(encoded_credentials) credentials = self.authentication.split_credentials(decoded_credentials) return self.authentication.verify_credentials(credentials['username'], credentials['password']) def prompt_for_password(self): response = make_response(self.render('admin/unauthenticated.html'), 401) response_header = self.authentication.authenticate_response_header() response.headers['WWW-Authenticate'] = response_header return response
def test_authentication_controller_can_return_a_header_to_the_client(self): authentication_controller = Authentication() self.assertEqual(authentication_controller.authenticate_response_header(), 'Basic realm="Authentication Required"')