| /* |
| * 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.drill.exec.rpc.security; |
| |
| import javax.security.sasl.Sasl; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public final class SaslProperties { |
| |
| /** |
| * All supported Quality of Protection values which can be negotiated |
| */ |
| enum QualityOfProtection { |
| AUTHENTICATION("auth"), |
| INTEGRITY("auth-int"), |
| PRIVACY("auth-conf"); |
| |
| public final String saslQop; |
| |
| QualityOfProtection(String saslQop) { |
| this.saslQop = saslQop; |
| } |
| |
| public String getSaslQop() { |
| return saslQop; |
| } |
| } |
| |
| /** |
| * Get's the map of minimum set of SaslProperties required during negotiation process either for encryption |
| * or authentication |
| * @param encryptionEnabled - Flag to determine if property needed is for encryption or authentication |
| * @param wrappedChunkSize - Configured wrappedChunkSize to negotiate for. |
| * @return Map of SaslProperties which will be used in negotiation. |
| */ |
| public static Map<String, String> getSaslProperties(boolean encryptionEnabled, int wrappedChunkSize) { |
| Map<String, String> saslProps = new HashMap<>(); |
| |
| if (encryptionEnabled) { |
| saslProps.put(Sasl.STRENGTH, "high"); |
| saslProps.put(Sasl.QOP, QualityOfProtection.PRIVACY.getSaslQop()); |
| saslProps.put(Sasl.MAX_BUFFER, Integer.toString(wrappedChunkSize)); |
| saslProps.put(Sasl.POLICY_NOPLAINTEXT, "true"); |
| } else { |
| saslProps.put(Sasl.QOP, QualityOfProtection.AUTHENTICATION.getSaslQop()); |
| } |
| |
| return saslProps; |
| } |
| |
| private SaslProperties() { |
| |
| } |
| } |