/* * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.security.sasl; import javax.security.sasl.*;import com.sun.security.sasl.util.PolicyUtils; import java.util.Map;import javax.security.auth.callback.CallbackHandler; /**  * Server factory for CRAM-MD5.  *  * Requires the following callback to be satisfied by callback handler  * when using CRAM-MD5.  * - AuthorizeCallback (to get canonicalized authzid)  *  * @author Rosanna Lee  */final public class ServerFactoryImpl implements SaslServerFactory {    private static final String myMechs[] = {        "CRAM-MD5", //    };     private static final int mechPolicies[] = {        PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS,      // CRAM-MD5    };     private static final int CRAMMD5 = 0;     public ServerFactoryImpl() {    }     public SaslServer createSaslServer(String mech,        String protocol,        String serverName,        Map<String,?> props,        CallbackHandler cbh) throws SaslException {         if (mech.equals(myMechs[CRAMMD5])            && PolicyUtils.checkPolicy(mechPolicies[CRAMMD5], props)) {             if (cbh == null) {                throw new SaslException(            "Callback handler with support for AuthorizeCallback required");            }            return new CramMD5Server(protocol, serverName, props, cbh);        }        return null;    };     public String[] getMechanismNames(Map<String,?> props) {        return PolicyUtils.filterMechs(myMechs, mechPolicies, props);    }}