| /** |
| * 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.hadoop.yarn.security.client; |
| |
| import java.io.DataInput; |
| import java.io.DataInputStream; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.TokenIdentifier; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnSecurityTokenProtos.ClientToAMTokenIdentifierProto; |
| |
| import com.google.protobuf.TextFormat; |
| |
| |
| @Public |
| @Evolving |
| public class ClientToAMTokenIdentifier extends TokenIdentifier { |
| |
| public static final Text KIND_NAME = new Text("YARN_CLIENT_TOKEN"); |
| |
| private ClientToAMTokenIdentifierProto proto; |
| |
| // TODO: Add more information in the tokenID such that it is not |
| // transferrable, more secure etc. |
| |
| public ClientToAMTokenIdentifier() { |
| } |
| |
| public ClientToAMTokenIdentifier(ApplicationAttemptId id, String client) { |
| ClientToAMTokenIdentifierProto.Builder builder = |
| ClientToAMTokenIdentifierProto.newBuilder(); |
| if (id != null) { |
| builder.setAppAttemptId(((ApplicationAttemptIdPBImpl)id).getProto()); |
| } |
| if (client != null) { |
| builder.setClientName(client); |
| } |
| proto = builder.build(); |
| } |
| |
| public ApplicationAttemptId getApplicationAttemptID() { |
| if (!proto.hasAppAttemptId()) { |
| return null; |
| } |
| return new ApplicationAttemptIdPBImpl(proto.getAppAttemptId()); |
| } |
| |
| public String getClientName() { |
| return proto.getClientName(); |
| } |
| |
| public ClientToAMTokenIdentifierProto getProto() { |
| return proto; |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.write(proto.toByteArray()); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| proto = ClientToAMTokenIdentifierProto.parseFrom((DataInputStream)in); |
| } |
| |
| @Override |
| public Text getKind() { |
| return KIND_NAME; |
| } |
| |
| @Override |
| public UserGroupInformation getUser() { |
| String clientName = getClientName(); |
| if (clientName == null) { |
| return null; |
| } |
| return UserGroupInformation.createRemoteUser(clientName); |
| } |
| |
| @Override |
| public int hashCode() { |
| return getProto().hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == null) |
| return false; |
| if (other.getClass().isAssignableFrom(this.getClass())) { |
| return this.getProto().equals(this.getClass().cast(other).getProto()); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return TextFormat.shortDebugString(getProto()); |
| } |
| } |