/* * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0 * (the "License"). You may not use this work except in compliance with the License, which is * available at www.apache.org/licenses/LICENSE-2.0 * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied, as more fully set forth in the License. * * See the NOTICE file distributed with this work for information regarding copyright ownership. */ package alluxio.security.authentication; import java.security.Provider; import javax.annotation.concurrent.ThreadSafe; /** * The Java SunSASL provider supports CRAM-MD5, DIGEST-MD5 and GSSAPI mechanisms on the server side. * When the SASL is using PLAIN mechanism, there is no support the SASL server. So there is a new * provider needed to register to support server-side PLAIN mechanism. * <p/> * Three basic steps to complete a SASL security provider: * <ol> * <li>Implements {@link PlainSaslServer} class which extends {@link javax.security.sasl.SaslServer} * interface</li> * <li>Provides {@link PlainSaslServer.Factory} class that implements * {@link javax.security.sasl.SaslServerFactory} interface</li> * <li>Provides a JCA provider that registers the factory</li> * </ol> */ @ThreadSafe public final class PlainSaslServerProvider extends Provider { private static final long serialVersionUID = 4583558117355348638L; public static final String NAME = "PlainSasl"; public static final String MECHANISM = "PLAIN"; public static final double VERSION = 1.0; /** * Constructs a new provider for the SASL server when using the PLAIN mechanism. */ public PlainSaslServerProvider() { super(NAME, VERSION, "Plain SASL server provider"); put("SaslServerFactory." + MECHANISM, PlainSaslServer.Factory.class.getName()); } }