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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
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13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.client5.testing.sync;
28  
29  import java.io.IOException;
30  import java.net.Socket;
31  
32  import org.apache.hc.client5.http.classic.methods.HttpGet;
33  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
34  import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
35  import org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
36  import org.apache.hc.core5.http.ClassicHttpRequest;
37  import org.apache.hc.core5.http.ClassicHttpResponse;
38  import org.apache.hc.core5.http.HttpException;
39  import org.apache.hc.core5.http.HttpHost;
40  import org.apache.hc.core5.http.HttpStatus;
41  import org.apache.hc.core5.http.config.Http1Config;
42  import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
43  import org.apache.hc.core5.http.impl.bootstrap.ServerBootstrap;
44  import org.apache.hc.core5.http.impl.io.DefaultBHttpServerConnection;
45  import org.apache.hc.core5.http.io.HttpConnectionFactory;
46  import org.apache.hc.core5.http.io.HttpRequestHandler;
47  import org.apache.hc.core5.http.io.entity.EntityUtils;
48  import org.apache.hc.core5.http.io.entity.StringEntity;
49  import org.apache.hc.core5.http.protocol.HttpContext;
50  import org.junit.Assert;
51  import org.junit.Test;
52  
53  public class TestMalformedServerResponse {
54  
55      static class BrokenServerConnection extends DefaultBHttpServerConnection {
56  
57          public BrokenServerConnection(final Http1Config h1Config) {
58              super(null, h1Config);
59          }
60  
61          @Override
62          public void sendResponseHeader(final ClassicHttpResponse response) throws HttpException, IOException {
63              super.sendResponseHeader(response);
64              if (response.getCode() == HttpStatus.SC_NO_CONTENT) {
65                  response.setEntity(new StringEntity(
66                          "garbage\ngarbage\n" +
67                          "garbage\ngarbage\n" +
68                          "garbage\ngarbage\n" +
69                          "garbage\ngarbage\n" +
70                          "garbage\ngarbage\n" +
71                          "garbage\ngarbage\n" +
72                          "garbage\ngarbage\n" +
73                          "garbage\ngarbage\n" +
74                          "garbage\ngarbage\n"));
75                  sendResponseEntity(response);
76              }
77          }
78      }
79  
80      static class BrokenServerConnectionFactory implements HttpConnectionFactory<DefaultBHttpServerConnection> {
81  
82          @Override
83          public DefaultBHttpServerConnection createConnection(final Socket socket) throws IOException {
84              final BrokenServerConnection conn = new BrokenServerConnection(Http1Config.DEFAULT);
85              conn.bind(socket);
86              return conn;
87          }
88      }
89  
90      @Test
91      public void testNoContentResponseWithGarbage() throws Exception {
92          try (final HttpServer server = ServerBootstrap.bootstrap()
93                  .setConnectionFactory(new BrokenServerConnectionFactory())
94                  .register("/nostuff", new HttpRequestHandler() {
95  
96                      @Override
97                      public void handle(
98                              final ClassicHttpRequest request,
99                              final ClassicHttpResponse response,
100                             final HttpContext context) throws HttpException, IOException {
101                         response.setCode(HttpStatus.SC_NO_CONTENT);
102                     }
103 
104                 })
105                 .register("/stuff", new HttpRequestHandler() {
106 
107                     @Override
108                     public void handle(
109                             final ClassicHttpRequest request,
110                             final ClassicHttpResponse response,
111                             final HttpContext context) throws HttpException, IOException {
112                         response.setCode(HttpStatus.SC_OK);
113                         response.setEntity(new StringEntity("Some important stuff"));
114                     }
115 
116                 })
117                 .create()) {
118             server.start();
119             final HttpHost target = new HttpHost("localhost", server.getLocalPort());
120             try (final CloseableHttpClient httpclient = HttpClientBuilder.create().build()) {
121                 final HttpGet get1 = new HttpGet("/nostuff");
122                 try (final CloseableHttpResponse response1 = httpclient.execute(target, get1)) {
123                     Assert.assertEquals(HttpStatus.SC_NO_CONTENT, response1.getCode());
124                     EntityUtils.consume(response1.getEntity());
125                 }
126                 final HttpGet get2 = new HttpGet("/stuff");
127                 try (final CloseableHttpResponse response2 = httpclient.execute(target, get2)) {
128                     Assert.assertEquals(HttpStatus.SC_OK, response2.getCode());
129                     EntityUtils.consume(response2.getEntity());
130                 }
131             }
132         }
133     }
134 
135 }