| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version |
| * 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions |
| * and limitations under the License. |
| */ |
| |
| package org.apache.storm.security.auth; |
| |
| import java.util.Map; |
| import javax.security.auth.Subject; |
| |
| /** |
| * Provides a way to automatically push credentials to a topology and to retrieve them in the worker. |
| */ |
| public interface IAutoCredentials { |
| |
| void prepare(Map<String, Object> conf); |
| |
| /** |
| * Called to populate the credentials on the client side. |
| * |
| * @param credentials the credentials to be populated. |
| */ |
| void populateCredentials(Map<String, String> credentials); |
| |
| /** |
| * Called to initially populate the subject on the worker side with credentials passed in. |
| * |
| * @param subject the subject to optionally put credentials in. |
| * @param credentials the credentials to be used. |
| */ |
| void populateSubject(Subject subject, Map<String, String> credentials); |
| |
| |
| /** |
| * Called to update the subject on the worker side when new credentials are recieved. This means that populateSubject has already been |
| * called on this subject. |
| * |
| * @param subject the subject to optionally put credentials in. |
| * @param credentials the credentials to be used. |
| */ |
| void updateSubject(Subject subject, Map<String, String> credentials); |
| |
| } |