| /* |
| * Copyright (c) 2000, 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.digest; |
| |
| import java.util.Map; |
| |
| import javax.security.sasl.*; |
| import javax.security.auth.callback.CallbackHandler; |
| |
| import com.sun.security.sasl.util.PolicyUtils; |
| |
| |
| /** |
| * Client and server factory for DIGEST-MD5 SASL client/server mechanisms. |
| * See DigestMD5Client and DigestMD5Server for input requirements. |
| * |
| * @author Jonathan Bruce |
| * @author Rosanna Lee |
| */ |
| |
| public final class FactoryImpl implements SaslClientFactory, |
| SaslServerFactory{ |
| |
| private static final String myMechs[] = { "DIGEST-MD5" }; |
| private static final int DIGEST_MD5 = 0; |
| private static final int mechPolicies[] = { |
| PolicyUtils.NOPLAINTEXT|PolicyUtils.NOANONYMOUS}; |
| |
| /** |
| * Empty constructor. |
| */ |
| public FactoryImpl() { |
| } |
| |
| /** |
| * Returns a new instance of the DIGEST-MD5 SASL client mechanism. |
| * |
| * @throws SaslException If there is an error creating the DigestMD5 |
| * SASL client. |
| * @returns a new SaslClient ; otherwise null if unsuccessful. |
| */ |
| public SaslClient createSaslClient(String[] mechs, |
| String authorizationId, String protocol, String serverName, |
| Map<String,?> props, CallbackHandler cbh) |
| throws SaslException { |
| |
| for (int i=0; i<mechs.length; i++) { |
| if (mechs[i].equals(myMechs[DIGEST_MD5]) && |
| PolicyUtils.checkPolicy(mechPolicies[DIGEST_MD5], props)) { |
| |
| if (cbh == null) { |
| throw new SaslException( |
| "Callback handler with support for RealmChoiceCallback, " + |
| "RealmCallback, NameCallback, and PasswordCallback " + |
| "required"); |
| } |
| |
| return new DigestMD5Client(authorizationId, |
| protocol, serverName, props, cbh); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns a new instance of the DIGEST-MD5 SASL server mechanism. |
| * |
| * @throws SaslException If there is an error creating the DigestMD5 |
| * SASL server. |
| * @returns a new SaslServer ; otherwise null if unsuccessful. |
| */ |
| public SaslServer createSaslServer(String mech, |
| String protocol, String serverName, Map<String,?> props, CallbackHandler cbh) |
| throws SaslException { |
| |
| if (mech.equals(myMechs[DIGEST_MD5]) && |
| PolicyUtils.checkPolicy(mechPolicies[DIGEST_MD5], props)) { |
| |
| if (cbh == null) { |
| throw new SaslException( |
| "Callback handler with support for AuthorizeCallback, "+ |
| "RealmCallback, NameCallback, and PasswordCallback " + |
| "required"); |
| } |
| |
| return new DigestMD5Server(protocol, serverName, props, cbh); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the authentication mechanisms that this factory can produce. |
| * |
| * @returns String[] {"DigestMD5"} if policies in env match those of this |
| * factory. |
| */ |
| public String[] getMechanismNames(Map<String,?> env) { |
| return PolicyUtils.filterMechs(myMechs, mechPolicies, env); |
| } |
| } |