/**
    * 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.hbase.security.token;
  
  import com.google.protobuf.ServiceException;
  import org.apache.hadoop.hbase.HColumnDescriptor;
  import org.apache.hadoop.hbase.HTableDescriptor;
  import org.apache.hadoop.hbase.TableName;
  import org.apache.hadoop.hbase.client.Admin;
  import org.apache.hadoop.hbase.client.Connection;
  import org.apache.hadoop.hbase.client.ConnectionFactory;
  import org.apache.hadoop.hbase.client.Get;
  import org.apache.hadoop.hbase.client.Put;
  import org.apache.hadoop.hbase.client.Result;
  import org.apache.hadoop.hbase.client.Table;
  import org.apache.hadoop.hbase.ipc.AsyncRpcClient;
  import org.apache.hadoop.hbase.ipc.RpcClient;
  import org.apache.hadoop.hbase.ipc.RpcClientFactory;
  import org.apache.hadoop.hbase.ipc.RpcClientImpl;
  import org.apache.hadoop.hbase.testclassification.MediumTests;
  import org.apache.hadoop.hbase.testclassification.SecurityTests;
  import org.apache.hadoop.hbase.util.Bytes;
  import org.apache.hadoop.security.UserGroupInformation;
  import org.apache.hadoop.security.token.Token;
  import org.apache.hadoop.security.token.TokenIdentifier;
  import org.junit.Assert;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  import java.io.IOException;
  
  @Category({ SecurityTests.class, MediumTests.class })
  public class TestDelegationTokenWithEncryption extends SecureTestCluster {
  
    @BeforeClass
    public static void setUp() throws Exception {
      // enable rpc encryption
      TEST_UTIL.getConfiguration().set("hbase.rpc.protection", "privacy");
      SecureTestCluster.setUp();
    }
  
    private void testPutGetWithDelegationToken(Class<? extends RpcClient> rpcImplClass)
        throws IOException, ServiceException {
      TEST_UTIL.getConfiguration().set(RpcClientFactory.CUSTOM_RPC_CLIENT_IMPL_CONF_KEY,
          rpcImplClass.getName());
      try (Connection conn = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());
           Table table = conn.getTable(TableName.valueOf("testtable"));) {
        Put p = new Put(Bytes.toBytes("row"));
        p.addColumn(Bytes.toBytes("family"),
            Bytes.toBytes("data"), Bytes.toBytes("testdata"));
        table.put(p);
        Get g = new Get(Bytes.toBytes("row"));
        Result result = table.get(g);
        Assert.assertArrayEquals(Bytes.toBytes("testdata"),
            result.getValue(Bytes.toBytes("family"), Bytes.toBytes("data")));
      }
    }
  
    @Test
    public void testPutGetWithDelegationToken()  throws Exception {
      try (Connection conn = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration())) {
        Token<? extends TokenIdentifier> token = TokenUtil.obtainToken(conn);
        UserGroupInformation.getCurrentUser().addToken(token);
        // create the table for test
        Admin admin = conn.getAdmin();
        HTableDescriptor tableDescriptor = new
            HTableDescriptor(new HTableDescriptor(TableName.valueOf("testtable")));
        tableDescriptor.addFamily(new HColumnDescriptor("family"));
        admin.createTable(tableDescriptor);
  
        testPutGetWithDelegationToken(RpcClientImpl.class);
        testPutGetWithDelegationToken(AsyncRpcClient.class);
      }
    }
  }