001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.security.provider;
019
020import java.io.IOException;
021import java.net.InetAddress;
022import java.util.Map;
023import javax.security.sasl.SaslClient;
024import org.apache.hadoop.conf.Configuration;
025import org.apache.hadoop.hbase.security.User;
026import org.apache.hadoop.security.UserGroupInformation;
027import org.apache.hadoop.security.token.Token;
028import org.apache.hadoop.security.token.TokenIdentifier;
029import org.apache.yetus.audience.InterfaceAudience;
030
031import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation;
032
033@InterfaceAudience.Private
034public class SimpleSaslClientAuthenticationProvider extends SimpleSaslAuthenticationProvider
035  implements SaslClientAuthenticationProvider {
036
037  @Override
038  public SaslClient createClient(Configuration conf, InetAddress serverAddress,
039    String serverPrincipal, Token<? extends TokenIdentifier> token, boolean fallbackAllowed,
040    Map<String, String> saslProps) throws IOException {
041    return null;
042  }
043
044  @Override
045  public UserInformation getUserInfo(User user) {
046    final UserGroupInformation ugi = user.getUGI();
047    UserInformation.Builder userInfoPB = UserInformation.newBuilder();
048    // Send both effective user and real user for simple auth
049    userInfoPB.setEffectiveUser(ugi.getUserName());
050    if (ugi.getRealUser() != null) {
051      userInfoPB.setRealUser(ugi.getRealUser().getUserName());
052    }
053    return userInfoPB.build();
054  }
055}