| /** |
| * 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 backtype.storm.security.auth; |
| |
| import java.util.Map; |
| |
| /** |
| * Nimbus could be configured with an authorization plugin. If not specified, all requests are authorized. |
| * |
| * You could specify the authorization plugin via storm parameter. For example: storm -c nimbus.authorization.class=backtype.storm.security.auth.NoopAuthorizer |
| * ... |
| * |
| * You could also specify it via storm.yaml: nimbus.authorization.class: backtype.storm.security.auth.NoopAuthorizer |
| */ |
| public interface IAuthorizer { |
| /** |
| * Invoked once immediately after construction |
| * |
| * @param conf Storm configuration |
| */ |
| void prepare(Map storm_conf); |
| |
| /** |
| * permit() method is invoked for each incoming Thrift request. |
| * |
| * @param context request context includes info about |
| * @param operation operation name |
| * @param topology_storm configuration of targeted topology |
| * @return true if the request is authorized, false if reject |
| */ |
| public boolean permit(ReqContext context, String operation, Map topology_conf); |
| } |