/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.http.impl.client.integration;
  
  import java.io.IOException;
  import java.net.URI;
  import java.util.List;
  
  import org.apache.http.HttpException;
  import org.apache.http.HttpHost;
  import org.apache.http.HttpRequest;
  import org.apache.http.HttpResponse;
  import org.apache.http.HttpStatus;
  import org.apache.http.HttpVersion;
  import org.apache.http.client.CookieStore;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.client.methods.HttpGet;
  import org.apache.http.client.protocol.HttpClientContext;
  import org.apache.http.cookie.Cookie;
  import org.apache.http.impl.client.BasicCookieStore;
  import org.apache.http.localserver.LocalServerTestBase;
  import org.apache.http.message.BasicHeader;
  import org.apache.http.protocol.HttpContext;
  import org.apache.http.protocol.HttpRequestHandler;
  import org.apache.http.util.EntityUtils;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * This class tests cookie matching when using Virtual Host.
   */
  public class TestCookieVirtualHost extends LocalServerTestBase {
  
      @Test
      public void testCookieMatchingWithVirtualHosts() throws Exception {
          this.serverBootstrap.registerHandler("*", new HttpRequestHandler() {
              @Override
              public void handle(
                      final HttpRequest request,
                      final HttpResponse response,
                      final HttpContext context) throws HttpException, IOException {
  
                  final int n = Integer.parseInt(request.getFirstHeader("X-Request").getValue());
                  switch (n) {
                  case 1:
                      // Assert Host is forwarded from URI
                      Assert.assertEquals("app.mydomain.fr", request
                              .getFirstHeader("Host").getValue());
  
                      response.setStatusLine(HttpVersion.HTTP_1_1,
                              HttpStatus.SC_OK);
                      // Respond with Set-Cookie on virtual host domain. This
                      // should be valid.
                      response.addHeader(new BasicHeader("Set-Cookie",
                              "name1=value1; domain=mydomain.fr; path=/"));
                      break;
  
                  case 2:
                      // Assert Host is still forwarded from URI
                      Assert.assertEquals("app.mydomain.fr", request
                              .getFirstHeader("Host").getValue());
  
                      // We should get our cookie back.
                      Assert.assertNotNull("We must get a cookie header",
                              request.getFirstHeader("Cookie"));
                      response.setStatusLine(HttpVersion.HTTP_1_1,
                              HttpStatus.SC_OK);
                      break;
  
                  case 3:
                      // Assert Host is forwarded from URI
                      Assert.assertEquals("app.mydomain.fr", request
                              .getFirstHeader("Host").getValue());
  
                      response.setStatusLine(HttpVersion.HTTP_1_1,
                             HttpStatus.SC_OK);
                     break;
                 default:
                     Assert.fail("Unexpected value: " + n);
                     break;
                 }
             }
 
         });
 
         final HttpHost target = start();
 
         final CookieStore cookieStore = new BasicCookieStore();
         final HttpClientContext context = HttpClientContext.create();
         context.setCookieStore(cookieStore);
 
         // First request : retrieve a domain cookie from remote server.
         URI uri = new URI("http://app.mydomain.fr");
         HttpRequest httpRequest = new HttpGet(uri);
         httpRequest.addHeader("X-Request", "1");
         final CloseableHttpResponse response1 = this.httpclient.execute(target, httpRequest, context);
         try {
             EntityUtils.consume(response1.getEntity());
         } finally {
             response1.close();
         }
 
         // We should have one cookie set on domain.
         final List<Cookie> cookies = cookieStore.getCookies();
         Assert.assertNotNull(cookies);
         Assert.assertEquals(1, cookies.size());
         Assert.assertEquals("name1", cookies.get(0).getName());
 
         // Second request : send the cookie back.
         uri = new URI("http://app.mydomain.fr");
         httpRequest = new HttpGet(uri);
         httpRequest.addHeader("X-Request", "2");
         final CloseableHttpResponse response2 = this.httpclient.execute(target, httpRequest, context);
         try {
             EntityUtils.consume(response2.getEntity());
         } finally {
             response2.close();
         }
 
         // Third request : Host header
         uri = new URI("http://app.mydomain.fr");
         httpRequest = new HttpGet(uri);
         httpRequest.addHeader("X-Request", "3");
         final CloseableHttpResponse response3 = this.httpclient.execute(target, httpRequest, context);
         try {
             EntityUtils.consume(response3.getEntity());
         } finally {
             response3.close();
         }
     }
 
 }