Line data    Source code

       1             : // Copyright (C) 2010 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.httpd.auth.openid;
      16             : 
      17             : import com.google.gerrit.server.config.CanonicalWebUrl;
      18             : import com.google.inject.Inject;
      19             : import com.google.inject.Provider;
      20             : import com.google.inject.Singleton;
      21             : import java.io.IOException;
      22             : import javax.servlet.Filter;
      23             : import javax.servlet.FilterChain;
      24             : import javax.servlet.FilterConfig;
      25             : import javax.servlet.ServletException;
      26             : import javax.servlet.ServletRequest;
      27             : import javax.servlet.ServletResponse;
      28             : import javax.servlet.http.HttpServletResponse;
      29             : 
      30             : @Singleton
      31             : class XrdsFilter implements Filter {
      32             :   private final Provider<String> url;
      33             : 
      34             :   @Inject
      35          99 :   XrdsFilter(@CanonicalWebUrl final Provider<String> url) {
      36          99 :     this.url = url;
      37          99 :   }
      38             : 
      39             :   @Override
      40             :   public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
      41             :       throws IOException, ServletException {
      42           0 :     HttpServletResponse rsp = (HttpServletResponse) response;
      43           0 :     rsp.setHeader("X-XRDS-Location", url.get() + XrdsServlet.LOCATION);
      44           0 :     chain.doFilter(request, response);
      45           0 :   }
      46             : 
      47             :   @Override
      48          99 :   public void init(FilterConfig config) {}
      49             : 
      50             :   @Override
      51          99 :   public void destroy() {}
      52             : }