| /** |
| * 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.wss4j.common.spnego; |
| |
| import org.ietf.jgss.GSSContext; |
| import org.ietf.jgss.GSSException; |
| import org.ietf.jgss.GSSManager; |
| import org.ietf.jgss.GSSName; |
| import org.ietf.jgss.Oid; |
| |
| /** |
| * This class represents a PrivilegedAction implementation to obtain a (SPNEGO) service ticket from a |
| * Kerberos Key Distribution Center. |
| */ |
| public class DefaultSpnegoClientAction implements SpnegoClientAction { |
| private static final org.slf4j.Logger LOG = |
| org.slf4j.LoggerFactory.getLogger(DefaultSpnegoClientAction.class); |
| |
| private String serviceName; |
| private GSSContext secContext; |
| private boolean mutualAuth; |
| private boolean isUsernameServiceNameForm; |
| |
| /** |
| * Whether to enable mutual authentication or not. |
| */ |
| public void setMutualAuth(boolean mutualAuthentication) { |
| mutualAuth = mutualAuthentication; |
| } |
| |
| /** |
| * The Service Name |
| */ |
| public void setServiceName(String serviceName) { |
| this.serviceName = serviceName; |
| } |
| |
| /** |
| * Obtain a service ticket |
| */ |
| public byte[] run() { |
| try { |
| GSSManager gssManager = GSSManager.getInstance(); |
| Oid oid = new Oid("1.3.6.1.5.5.2"); |
| |
| GSSName gssService = gssManager.createName(serviceName, isUsernameServiceNameForm |
| ? GSSName.NT_USER_NAME : GSSName.NT_HOSTBASED_SERVICE); |
| secContext = gssManager.createContext(gssService, oid, null, GSSContext.DEFAULT_LIFETIME); |
| |
| secContext.requestMutualAuth(mutualAuth); |
| secContext.requestCredDeleg(Boolean.FALSE); |
| |
| byte[] token = new byte[0]; |
| return secContext.initSecContext(token, 0, token.length); |
| } catch (GSSException e) { |
| LOG.debug("Error in obtaining a Kerberos token", e); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Get the GSSContext that was created after a service ticket was obtained |
| */ |
| public GSSContext getContext() { |
| return secContext; |
| } |
| |
| @Override |
| public void setUserNameServiceForm(boolean isUsernameServiceNameForm) { |
| this.isUsernameServiceNameForm = isUsernameServiceNameForm; |
| } |
| |
| } |