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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package com.sun.security.sasl; | |
| 27 | + | |
| 28 | +import javax.security.sasl.*; | |
| 29 | +import com.sun.security.sasl.util.PolicyUtils; | |
| 30 | + | |
| 31 | +import java.util.Map; | |
| 32 | +import javax.security.auth.callback.CallbackHandler; | |
| 33 | + | |
| 34 | +/** | |
| 35 | + * Server factory for CRAM-MD5. | |
| 36 | + * | |
| 37 | + * Requires the following callback to be satisfied by callback handler | |
| 38 | + * when using CRAM-MD5. | |
| 39 | + * - AuthorizeCallback (to get canonicalized authzid) | |
| 40 | + * | |
| 41 | + * @author Rosanna Lee | |
| 42 | + */ | |
| 43 | +final public class ServerFactoryImpl implements SaslServerFactory { | |
| 44 | + private static final String myMechs[] = { | |
| 45 | + "CRAM-MD5", // | |
| 46 | + }; | |
| 47 | + | |
| 48 | + private static final int mechPolicies[] = { | |
| 49 | + PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS, // CRAM-MD5 | |
| 50 | + }; | |
| 51 | + | |
| 52 | + private static final int CRAMMD5 = 0; | |
| 53 | + | |
| 54 | + public ServerFactoryImpl() { | |
| 55 | + } | |
| 56 | + | |
| 57 | + public SaslServer createSaslServer(String mech, | |
| 58 | + String protocol, | |
| 59 | + String serverName, | |
| 60 | + Map<String,?> props, | |
| 61 | + CallbackHandler cbh) throws SaslException { | |
| 62 | + | |
| 63 | + if (mech.equals(myMechs[CRAMMD5]) | |
| 64 | + && PolicyUtils.checkPolicy(mechPolicies[CRAMMD5], props)) { | |
| 65 | + | |
| 66 | + if (cbh == null) { | |
| 67 | + throw new SaslException( | |
| 68 | + "Callback handler with support for AuthorizeCallback required"); | |
| 69 | + } | |
| 70 | + return new CramMD5Server(protocol, serverName, props, cbh); | |
| 71 | + } | |
| 72 | + return null; | |
| 73 | + }; | |
| 74 | + | |
| 75 | + public String[] getMechanismNames(Map<String,?> props) { | |
| 76 | + return PolicyUtils.filterMechs(myMechs, mechPolicies, props); | |
| 77 | + } | |
| 78 | +} | |