| /** |
| * 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.cxf.fediz.spring.preauth; |
| |
| import java.security.Principal; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.cxf.fediz.core.FedizPrincipal; |
| import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter; |
| |
| /** |
| * This AbstractPreAuthenticatedProcessingFilter implementation is based on the |
| * J2EE container-based authentication mechanism. It will use the J2EE user |
| * principal name as the pre-authenticated principal and the WS-Federation signin request |
| * as the credentials. |
| */ |
| public class FederationPreAuthenticatedProcessingFilter extends AbstractPreAuthenticatedProcessingFilter { |
| |
| private static final String SECURITY_TOKEN_ATTR = "org.apache.fediz.SECURITY_TOKEN"; |
| |
| /** |
| * Return the J2EE user name. |
| */ |
| protected Object getPreAuthenticatedPrincipal(HttpServletRequest httpRequest) { |
| Principal principal = httpRequest.getUserPrincipal(); |
| if (logger.isDebugEnabled()) { |
| logger.debug("PreAuthenticated J2EE principal: " |
| + (principal == null ? null : principal.getName())); |
| } |
| return principal; |
| } |
| |
| /** |
| * For J2EE container-based authentication there is no generic way to |
| * retrieve the credentials, as such this method returns a fixed dummy |
| * value. |
| */ |
| protected Object getPreAuthenticatedCredentials(HttpServletRequest httpRequest) { |
| Principal principal = httpRequest.getUserPrincipal() == null ? null : httpRequest.getUserPrincipal(); |
| if (principal instanceof FedizPrincipal) { |
| Object obj = httpRequest.getSession(false).getAttribute(SECURITY_TOKEN_ATTR); |
| if (obj != null) { |
| return obj; |
| } else { |
| logger.error("Session must contain Federation response"); |
| throw new IllegalStateException("Session must contain Federation response"); |
| } |
| } else { |
| logger.error("Principal must be instance of FedizPrincipal: " + principal); |
| throw new IllegalStateException("Principal must be instance of FedizPrincipal"); |
| } |
| //return "N/A"; |
| } |
| } |