/*************************GO-LICENSE-START********************************* * Copyright 2014 ThoughtWorks, Inc. * * Licensed 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. *************************GO-LICENSE-END***********************************/ package com.thoughtworks.go.server.security; import java.io.IOException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.security.AuthenticationException; import org.springframework.security.context.SecurityContext; import org.springframework.security.context.SecurityContextHolder; public class CasProcessingFilter extends org.springframework.security.ui.cas.CasProcessingFilter { @Override protected void onUnsuccessfulAuthentication(HttpServletRequest request, HttpServletResponse response, AuthenticationException failed) throws IOException { SecurityContext context = SecurityContextHolder.getContext(); request.getSession().setAttribute(SPRING_SECURITY_LAST_EXCEPTION_KEY, new OnlyKnownUsersAllowedException("Foo")); request.setAttribute(SessionDenialAwareAuthenticationProcessingFilterEntryPoint.SESSION_DENIED, true); context.setAuthentication(null); response.sendRedirect("/go/auth/login"); super.onUnsuccessfulAuthentication(request, response, failed); } }