| /** |
| * 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.authorizer; |
| |
| import java.util.Map; |
| import org.apache.storm.security.auth.IAuthorizer; |
| import org.apache.storm.security.auth.ReqContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @SuppressWarnings("checkstyle:AbbreviationAsWordInName") |
| public abstract class DRPCAuthorizerBase implements IAuthorizer { |
| public static final Logger LOG = LoggerFactory.getLogger(DRPCAuthorizerBase.class); |
| |
| /** |
| * A key name for the function requested to be executed by a user. |
| */ |
| public static final String FUNCTION_NAME = "function.name"; |
| |
| @Override |
| public abstract void prepare(Map<String, Object> conf); |
| |
| protected abstract boolean permitClientRequest(ReqContext context, String operation, Map<String, Object> params); |
| |
| protected abstract boolean permitInvocationRequest(ReqContext context, String operation, Map<String, Object> params); |
| |
| /** |
| * Authorizes request from to the DRPC server. |
| * |
| * @param context the client request context |
| * @param operation the operation requested by the DRPC server |
| * @param params a Map with any key-value entries of use to the authorization implementation |
| */ |
| @Override |
| public boolean permit(ReqContext context, String operation, Map<String, Object> params) { |
| if ("execute".equals(operation)) { |
| return permitClientRequest(context, operation, params); |
| } else if ("failRequest".equals(operation) |
| || "fetchRequest".equals(operation) |
| || "result".equals(operation)) { |
| return permitInvocationRequest(context, operation, params); |
| } |
| // Deny unsupported operations. |
| LOG.warn("Denying unsupported operation \"" + operation + "\" from " + context.remoteAddress()); |
| return false; |
| } |
| } |