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.example;
019
020import java.io.IOException;
021import org.apache.hadoop.hbase.client.Connection;
022import org.apache.hadoop.hbase.util.Bytes;
023import org.apache.hadoop.io.Text;
024import org.apache.hadoop.security.token.Token;
025import org.apache.hadoop.security.token.TokenIdentifier;
026import org.apache.yetus.audience.InterfaceAudience;
027
028/**
029 * Used to acquire tokens for the ShadeSaslAuthenticationProvider.
030 */
031@InterfaceAudience.Private
032public final class ShadeClientTokenUtil {
033
034  private ShadeClientTokenUtil() {
035  }
036
037  public static Token<? extends TokenIdentifier> obtainToken(Connection conn, String username,
038    char[] password) throws IOException {
039    ShadeTokenIdentifier identifier = new ShadeTokenIdentifier(username);
040    return new Token<>(identifier.getBytes(), Bytes.toBytes(new String(password)),
041      new Text(ShadeSaslAuthenticationProvider.TOKEN_KIND),
042      new Text(conn.getAdmin().getClusterMetrics().getClusterId()));
043  }
044}