org.apache.hadoop.gateway.hive.HiveDispatchUtils.java Source code

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Here is the source code for org.apache.hadoop.gateway.hive.HiveDispatchUtils.java

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/**
 * 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.gateway.hive;

import org.apache.hadoop.gateway.security.SubjectUtils;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.auth.BasicScheme;

public class HiveDispatchUtils {

    private static final String PASSWORD_PLACEHOLDER = "*";

    public static void addCredentialsToRequest(HttpUriRequest request) {
        String principal = SubjectUtils.getCurrentEffectivePrincipalName();
        if (principal != null) {
            UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(principal,
                    PASSWORD_PLACEHOLDER);
            request.addHeader(BasicScheme.authenticate(credentials, "US-ASCII", false));
        }
    }

}