| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * |
| */ |
| package org.apache.qpid.server.security.auth.manager; |
| |
| import java.security.Principal; |
| |
| import javax.security.auth.Subject; |
| import javax.security.sasl.SaslException; |
| import javax.security.sasl.SaslServer; |
| |
| import org.apache.qpid.server.security.auth.AuthenticationResult; |
| import org.apache.qpid.server.security.auth.UsernamePrincipal; |
| import org.apache.qpid.server.security.auth.sasl.anonymous.AnonymousInitialiser; |
| import org.apache.qpid.server.security.auth.sasl.anonymous.AnonymousSaslServer; |
| |
| public class AnonymousAuthenticationManager implements AuthenticationManager |
| { |
| private static final AnonymousInitialiser SASL_INITIALISER = new AnonymousInitialiser(); |
| |
| private static final String ANONYMOUS = SASL_INITIALISER.getMechanismName(); |
| |
| public static final String ANONYMOUS_USERNAME = "ANONYMOUS"; |
| |
| public static final Principal ANONYMOUS_PRINCIPAL = new UsernamePrincipal(ANONYMOUS_USERNAME); |
| |
| public static final Subject ANONYMOUS_SUBJECT = new Subject(); |
| static |
| { |
| ANONYMOUS_SUBJECT.getPrincipals().add(ANONYMOUS_PRINCIPAL); |
| } |
| |
| private static final AuthenticationResult ANONYMOUS_AUTHENTICATION = new AuthenticationResult(ANONYMOUS_PRINCIPAL); |
| |
| static final AnonymousAuthenticationManager INSTANCE = new AnonymousAuthenticationManager(); |
| |
| AnonymousAuthenticationManager() |
| { |
| } |
| |
| @Override |
| public void initialise() |
| { |
| |
| } |
| |
| @Override |
| public String getMechanisms() |
| { |
| return ANONYMOUS; |
| } |
| |
| @Override |
| public SaslServer createSaslServer(String mechanism, String localFQDN, Principal externalPrincipal) throws SaslException |
| { |
| if(ANONYMOUS.equals(mechanism)) |
| { |
| return new AnonymousSaslServer(); |
| } |
| else |
| { |
| throw new SaslException("Unknown mechanism: " + mechanism); |
| } |
| } |
| |
| @Override |
| public AuthenticationResult authenticate(SaslServer server, byte[] response) |
| { |
| try |
| { |
| // Process response from the client |
| byte[] challenge = server.evaluateResponse(response != null ? response : new byte[0]); |
| |
| if (server.isComplete()) |
| { |
| return ANONYMOUS_AUTHENTICATION; |
| } |
| else |
| { |
| return new AuthenticationResult(challenge, AuthenticationResult.AuthenticationStatus.CONTINUE); |
| } |
| } |
| catch (SaslException e) |
| { |
| return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR, e); |
| } |
| } |
| |
| @Override |
| public AuthenticationResult authenticate(String username, String password) |
| { |
| return ANONYMOUS_AUTHENTICATION; |
| } |
| |
| @Override |
| public void close() |
| { |
| } |
| } |