| /** |
| * 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.web; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.servlet.FilterChain; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletOutputStream; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.cxf.fediz.core.FederationConstants; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.web.filter.GenericFilterBean; |
| |
| public class FederationSignOutCleanupFilter extends GenericFilterBean { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(FederationSignOutCleanupFilter.class); |
| |
| @Override |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) |
| throws IOException, ServletException { |
| |
| String wa = request.getParameter(FederationConstants.PARAM_ACTION); |
| if (FederationConstants.ACTION_SIGNOUT_CLEANUP.equals(wa)) { |
| if (request instanceof HttpServletRequest) { |
| ((HttpServletRequest)request).getSession().invalidate(); |
| } |
| |
| final ServletOutputStream responseOutputStream = response.getOutputStream(); |
| InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("logout.jpg"); |
| if (inputStream == null) { |
| LOG.warn("Could not write logout.jpg"); |
| return; |
| } |
| int read; |
| byte[] buf = new byte[1024]; |
| while ((read = inputStream.read(buf)) != -1) { |
| responseOutputStream.write(buf, 0, read); |
| } |
| inputStream.close(); |
| responseOutputStream.flush(); |
| } else { |
| chain.doFilter(request, response); |
| } |
| } |
| } |