org.apache.hadoop.hbase.security.SaslUtil.java Source code

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Here is the source code for org.apache.hadoop.hbase.security.SaslUtil.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.hbase.security;

import org.apache.commons.codec.binary.Base64;

import java.util.Map;
import java.util.TreeMap;

import javax.security.sasl.Sasl;

public class SaslUtil {
    public static final String SASL_DEFAULT_REALM = "default";
    public static final Map<String, String> SASL_PROPS = new TreeMap<String, String>();
    public static final int SWITCH_TO_SIMPLE_AUTH = -88;

    public static enum QualityOfProtection {
        AUTHENTICATION("auth"), INTEGRITY("auth-int"), PRIVACY("auth-conf");

        public final String saslQop;

        private QualityOfProtection(String saslQop) {
            this.saslQop = saslQop;
        }

        public String getSaslQop() {
            return saslQop;
        }
    }

    /** Splitting fully qualified Kerberos name into parts */
    public static String[] splitKerberosName(String fullName) {
        return fullName.split("[/@]");
    }

    static String encodeIdentifier(byte[] identifier) {
        return new String(Base64.encodeBase64(identifier));
    }

    static byte[] decodeIdentifier(String identifier) {
        return Base64.decodeBase64(identifier.getBytes());
    }

    static char[] encodePassword(byte[] password) {
        return new String(Base64.encodeBase64(password)).toCharArray();
    }

    static void initSaslProperties(String rpcProtection) {
        QualityOfProtection saslQOP = QualityOfProtection.AUTHENTICATION;
        if (QualityOfProtection.INTEGRITY.name().toLowerCase().equals(rpcProtection)) {
            saslQOP = QualityOfProtection.INTEGRITY;
        } else if (QualityOfProtection.PRIVACY.name().toLowerCase().equals(rpcProtection)) {
            saslQOP = QualityOfProtection.PRIVACY;
        }

        SaslUtil.SASL_PROPS.put(Sasl.QOP, saslQOP.getSaslQop());
        SaslUtil.SASL_PROPS.put(Sasl.SERVER_AUTH, "true");
    }
}