J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package com.sun.security.sasl.digest; |
| 27 | |
| 28 | import java.util.Map; |
| 29 | |
| 30 | import javax.security.sasl.*; |
| 31 | import javax.security.auth.callback.CallbackHandler; |
| 32 | |
| 33 | import com.sun.security.sasl.util.PolicyUtils; |
| 34 | |
| 35 | |
| 36 | /** |
| 37 | * Client and server factory for DIGEST-MD5 SASL client/server mechanisms. |
| 38 | * See DigestMD5Client and DigestMD5Server for input requirements. |
| 39 | * |
| 40 | * @author Jonathan Bruce |
| 41 | * @author Rosanna Lee |
| 42 | */ |
| 43 | |
| 44 | public final class FactoryImpl implements SaslClientFactory, |
| 45 | SaslServerFactory{ |
| 46 | |
| 47 | private static final String myMechs[] = { "DIGEST-MD5" }; |
| 48 | private static final int DIGEST_MD5 = 0; |
| 49 | private static final int mechPolicies[] = { |
| 50 | PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS}; |
| 51 | |
| 52 | /** |
| 53 | * Empty constructor. |
| 54 | */ |
| 55 | public FactoryImpl() { |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Returns a new instance of the DIGEST-MD5 SASL client mechanism. |
| 60 | * |
| 61 | * @throws SaslException If there is an error creating the DigestMD5 |
| 62 | * SASL client. |
| 63 | * @returns a new SaslClient ; otherwise null if unsuccessful. |
| 64 | */ |
| 65 | public SaslClient createSaslClient(String[] mechs, |
| 66 | String authorizationId, String protocol, String serverName, |
| 67 | Map<String,?> props, CallbackHandler cbh) |
| 68 | throws SaslException { |
| 69 | |
| 70 | for (int i=0; i<mechs.length; i++) { |
| 71 | if (mechs[i].equals(myMechs[DIGEST_MD5]) && |
| 72 | PolicyUtils.checkPolicy(mechPolicies[DIGEST_MD5], props)) { |
| 73 | |
| 74 | if (cbh == null) { |
| 75 | throw new SaslException( |
| 76 | "Callback handler with support for RealmChoiceCallback, " + |
| 77 | "RealmCallback, NameCallback, and PasswordCallback " + |
| 78 | "required"); |
| 79 | } |
| 80 | |
| 81 | return new DigestMD5Client(authorizationId, |
| 82 | protocol, serverName, props, cbh); |
| 83 | } |
| 84 | } |
| 85 | return null; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Returns a new instance of the DIGEST-MD5 SASL server mechanism. |
| 90 | * |
| 91 | * @throws SaslException If there is an error creating the DigestMD5 |
| 92 | * SASL server. |
| 93 | * @returns a new SaslServer ; otherwise null if unsuccessful. |
| 94 | */ |
| 95 | public SaslServer createSaslServer(String mech, |
| 96 | String protocol, String serverName, Map<String,?> props, CallbackHandler cbh) |
| 97 | throws SaslException { |
| 98 | |
| 99 | if (mech.equals(myMechs[DIGEST_MD5]) && |
| 100 | PolicyUtils.checkPolicy(mechPolicies[DIGEST_MD5], props)) { |
| 101 | |
| 102 | if (cbh == null) { |
| 103 | throw new SaslException( |
| 104 | "Callback handler with support for AuthorizeCallback, "+ |
| 105 | "RealmCallback, NameCallback, and PasswordCallback " + |
| 106 | "required"); |
| 107 | } |
| 108 | |
| 109 | return new DigestMD5Server(protocol, serverName, props, cbh); |
| 110 | } |
| 111 | return null; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Returns the authentication mechanisms that this factory can produce. |
| 116 | * |
| 117 | * @returns String[] {"DigestMD5"} if policies in env match those of this |
| 118 | * factory. |
| 119 | */ |
| 120 | public String[] getMechanismNames(Map<String,?> env) { |
| 121 | return PolicyUtils.filterMechs(myMechs, mechPolicies, env); |
| 122 | } |
| 123 | } |