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<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>TestBadContentLength xref</title>
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<a name="1" href="#1">1</a> <em class="comment">/*</em>
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<a name="2" href="#2">2</a> <em class="comment"> * $HeadURL: https://svn.apache.org/repos/asf/jakarta/commons/proper/httpclient/branches/HTTPCLIENT_3_0_BRANCH/src/test/org/apache/commons/httpclient/TestBadContentLength.java $</em>
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<a name="3" href="#3">3</a> <em class="comment"> * $Revision: 201862 $</em>
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<a name="4" href="#4">4</a> <em class="comment"> * $Date: 2005-06-26 11:03:07 -0400 (Sun, 26 Jun 2005) $</em>
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<a name="5" href="#5">5</a> <em class="comment"> * ====================================================================</em>
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<a name="6" href="#6">6</a> <em class="comment"> *</em>
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<a name="7" href="#7">7</a> <em class="comment"> * Copyright 1999-2004 The Apache Software Foundation</em>
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<a name="8" href="#8">8</a> <em class="comment"> *</em>
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<a name="9" href="#9">9</a> <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
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<a name="10" href="#10">10</a> <em class="comment"> * you may not use this file except in compliance with the License.</em>
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<a name="11" href="#11">11</a> <em class="comment"> * You may obtain a copy of the License at</em>
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<a name="12" href="#12">12</a> <em class="comment"> *</em>
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<a name="13" href="#13">13</a> <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
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<a name="14" href="#14">14</a> <em class="comment"> *</em>
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<a name="15" href="#15">15</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
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<a name="16" href="#16">16</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
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<a name="17" href="#17">17</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
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<a name="18" href="#18">18</a> <em class="comment"> * See the License for the specific language governing permissions and</em>
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<a name="19" href="#19">19</a> <em class="comment"> * limitations under the License.</em>
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<a name="20" href="#20">20</a> <em class="comment"> * ====================================================================</em>
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<a name="21" href="#21">21</a> <em class="comment"> *</em>
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<a name="22" href="#22">22</a> <em class="comment"> * This software consists of voluntary contributions made by many</em>
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<a name="23" href="#23">23</a> <em class="comment"> * individuals on behalf of the Apache Software Foundation. For more</em>
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<a name="24" href="#24">24</a> <em class="comment"> * information on the Apache Software Foundation, please see</em>
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<a name="25" href="#25">25</a> <em class="comment"> * <<a href="http://www.apache.org/" target="alexandria_uri">http://www.apache.org/</a>>.</em>
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<a name="26" href="#26">26</a> <em class="comment"> *</em>
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<a name="27" href="#27">27</a> <em class="comment"> */</em>
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<a name="28" href="#28">28</a> <strong>package</strong> <a href="../../../../org/apache/commons/httpclient/package-summary.html">org.apache.commons.httpclient</a>;
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<a name="29" href="#29">29</a>
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<a name="30" href="#30">30</a> <strong>import</strong> java.io.IOException;
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<a name="31" href="#31">31</a> <strong>import</strong> java.io.InputStream;
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<a name="32" href="#32">32</a>
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<a name="33" href="#33">33</a> <strong>import</strong> junit.framework.Test;
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<a name="34" href="#34">34</a> <strong>import</strong> junit.framework.TestCase;
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<a name="35" href="#35">35</a> <strong>import</strong> junit.framework.TestSuite;
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<a name="36" href="#36">36</a>
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<a name="37" href="#37">37</a> <strong>import</strong> org.apache.commons.httpclient.methods.GetMethod;
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<a name="38" href="#38">38</a> <strong>import</strong> org.apache.commons.httpclient.server.HttpRequestHandler;
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<a name="39" href="#39">39</a> <strong>import</strong> org.apache.commons.httpclient.server.RequestLine;
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<a name="40" href="#40">40</a> <strong>import</strong> org.apache.commons.httpclient.server.ResponseWriter;
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<a name="41" href="#41">41</a> <strong>import</strong> org.apache.commons.httpclient.server.SimpleHttpServer;
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<a name="42" href="#42">42</a> <strong>import</strong> org.apache.commons.httpclient.server.SimpleHttpServerConnection;
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<a name="43" href="#43">43</a> <strong>import</strong> org.apache.commons.httpclient.server.SimpleRequest;
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<a name="44" href="#44">44</a>
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<a name="45" href="#45">45</a> <em>/**<em>*</em></em>
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<a name="46" href="#46">46</a> <em> * Tests HttpClient's behaviour when receiving more response data than expected.</em>
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<a name="47" href="#47">47</a> <em> * <p></em>
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<a name="48" href="#48">48</a> <em> * A very simple HTTP Server will be setup on a free port during testing, which</em>
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<a name="49" href="#49">49</a> <em> * returns an incorrect response Content-Length, sending surplus response data,</em>
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<a name="50" href="#50">50</a> <em> * which may contain malicious/fake response headers.</em>
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<a name="51" href="#51">51</a> <em> * </p> </em>
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<a name="52" href="#52">52</a> <em> * </em>
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<a name="53" href="#53">53</a> <em> * @author Christian Kohlschuetter</em>
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<a name="54" href="#54">54</a> <em> * @version $Id: TestBadContentLength.java 201862 2005-06-26 15:03:07Z olegk $</em>
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<a name="55" href="#55">55</a> <em> */</em>
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<a name="56" href="#56">56</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/apache/commons/httpclient/TestBadContentLength.html">TestBadContentLength</a> <strong>extends</strong> TestCase {
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<a name="57" href="#57">57</a> <strong>private</strong> HttpClient client = <strong>null</strong>;
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<a name="58" href="#58">58</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServer.html">SimpleHttpServer</a> server = <strong>null</strong>;
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<a name="59" href="#59">59</a>
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<a name="60" href="#60">60</a> <em class="comment">// ------------------------------------------------------------ Constructor</em>
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<a name="61" href="#61">61</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/TestBadContentLength.html">TestBadContentLength</a>(String testName) {
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<a name="62" href="#62">62</a> <strong>super</strong>(testName);
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<a name="63" href="#63">63</a> }
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<a name="64" href="#64">64</a>
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<a name="65" href="#65">65</a> <em class="comment">// ------------------------------------------------------------------- Main</em>
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<a name="66" href="#66">66</a> <strong>public</strong> <strong>static</strong> <strong>void</strong> main(String args[]) {
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<a name="67" href="#67">67</a> String[] testCaseName = { TestBadContentLength.<strong>class</strong>.getName()};
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<a name="68" href="#68">68</a> junit.textui.TestRunner.main(testCaseName);
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<a name="69" href="#69">69</a> }
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<a name="70" href="#70">70</a>
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<a name="71" href="#71">71</a> <em class="comment">// ------------------------------------------------------- TestCase Methods</em>
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<a name="72" href="#72">72</a>
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<a name="73" href="#73">73</a> <strong>public</strong> <strong>static</strong> Test suite() {
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<a name="74" href="#74">74</a> <strong>return</strong> <strong>new</strong> TestSuite(TestBadContentLength.<strong>class</strong>);
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<a name="75" href="#75">75</a> }
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<a name="76" href="#76">76</a>
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<a name="77" href="#77">77</a> <em class="comment">// ----------------------------------------------------------- Test Methods</em>
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<a name="78" href="#78">78</a>
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<a name="79" href="#79">79</a> <strong>public</strong> <strong>void</strong> setUp() throws IOException {
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<a name="80" href="#80">80</a> client = <strong>new</strong> HttpClient();
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<a name="81" href="#81">81</a> server = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServer.html">SimpleHttpServer</a>(); <em class="comment">// use arbitrary port</em>
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<a name="82" href="#82">82</a> server.setTestname(getName());
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<a name="83" href="#83">83</a> server.setRequestHandler(<strong>new</strong> MyHttpRequestHandler());
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<a name="84" href="#84">84</a> }
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<a name="85" href="#85">85</a>
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<a name="86" href="#86">86</a> <strong>public</strong> <strong>void</strong> tearDown() throws IOException {
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<a name="87" href="#87">87</a> client = <strong>null</strong>;
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<a name="88" href="#88">88</a>
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<a name="89" href="#89">89</a> server.destroy();
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<a name="90" href="#90">90</a> }
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<a name="91" href="#91">91</a>
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<a name="92" href="#92">92</a> <em>/**<em>*</em></em>
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<a name="93" href="#93">93</a> <em> * HttpClient connects to the test server and performs two subsequent</em>
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<a name="94" href="#94">94</a> <em> * requests to the same URI in <u>lenient</u> mode.</em>
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<a name="95" href="#95">95</a> <em> * </em>
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<a name="96" href="#96">96</a> <em> * Expected behavior:</em>
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<a name="97" href="#97">97</a> <em> * For both requests, status code 200 and a response body of "12345"</em>
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<a name="98" href="#98">98</a> <em> * should be returned.</em>
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<a name="99" href="#99">99</a> <em> *</em>
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<a name="100" href="#100">100</a> <em> * @throws IOException</em>
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<a name="101" href="#101">101</a> <em> */</em>
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<a name="102" href="#102">102</a> <strong>public</strong> <strong>void</strong> test1Lenient() throws IOException {
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<a name="103" href="#103">103</a> client.getParams().makeLenient();
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<a name="104" href="#104">104</a>
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<a name="105" href="#105">105</a> GetMethod m =
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<a name="106" href="#106">106</a> <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
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<a name="107" href="#107">107</a>
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<a name="108" href="#108">108</a> client.executeMethod(m);
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<a name="109" href="#109">109</a> assertEquals(200, m.getStatusCode());
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<a name="110" href="#110">110</a> assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
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<a name="111" href="#111">111</a>
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<a name="112" href="#112">112</a> m = <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
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<a name="113" href="#113">113</a>
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<a name="114" href="#114">114</a> client.executeMethod(m);
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<a name="115" href="#115">115</a> assertEquals(200, m.getStatusCode());
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<a name="116" href="#116">116</a> assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
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<a name="117" href="#117">117</a> m.releaseConnection();
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<a name="118" href="#118">118</a> }
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<a name="119" href="#119">119</a>
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<a name="120" href="#120">120</a> <em>/**<em>*</em></em>
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<a name="121" href="#121">121</a> <em> * HttpClient connects to the test server and performs two subsequent</em>
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<a name="122" href="#122">122</a> <em> * requests to the same URI in <u>strict</u> mode.</em>
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<a name="123" href="#123">123</a> <em> * <p></em>
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<a name="124" href="#124">124</a> <em> * The first response body will be read with getResponseBodyAsString(),</em>
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<a name="125" href="#125">125</a> <em> * which returns null if an error occured.</em>
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<a name="126" href="#126">126</a> <em> * </p></em>
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<a name="127" href="#127">127</a> <em> * <p></em>
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<a name="128" href="#128">128</a> <em> * The second response body will be read using an InputStream, which</em>
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<a name="129" href="#129">129</a> <em> * throws an IOException if something went wrong.</em>
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<a name="130" href="#130">130</a> <em> * </p></em>
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<a name="131" href="#131">131</a> <em> * Expected behavior:</em>
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<a name="132" href="#132">132</a> <em> * For both requests, status code 200 should be returned.<br /></em>
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<a name="133" href="#133">133</a> <em> * For request 1, a <code>null</code> response body should be returned.<br /></em>
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<a name="134" href="#134">134</a> <em> * For request 2, a {@link ProtocolException} is expected.</em>
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<a name="135" href="#135">135</a> <em> *</em>
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<a name="136" href="#136">136</a> <em> * @throws IOException</em>
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<a name="137" href="#137">137</a> <em> */</em>
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<a name="138" href="#138">138</a> <strong>public</strong> <strong>void</strong> test1Strict() throws IOException {
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<a name="139" href="#139">139</a> client.getParams().makeStrict();
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<a name="140" href="#140">140</a>
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<a name="141" href="#141">141</a> GetMethod m =
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<a name="142" href="#142">142</a> <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
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<a name="143" href="#143">143</a>
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<a name="144" href="#144">144</a> client.executeMethod(m);
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<a name="145" href="#145">145</a> assertEquals(200, m.getStatusCode());
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<a name="146" href="#146">146</a> assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
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<a name="147" href="#147">147</a>
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<a name="148" href="#148">148</a> m = <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
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<a name="149" href="#149">149</a>
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<a name="150" href="#150">150</a> client.executeMethod(m);
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<a name="151" href="#151">151</a> assertEquals(200, m.getStatusCode());
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<a name="152" href="#152">152</a>
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<a name="153" href="#153">153</a> InputStream in = m.getResponseBodyAsStream();
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<a name="154" href="#154">154</a> <strong>while</strong> (in.read() != -1) {
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<a name="155" href="#155">155</a> }
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<a name="156" href="#156">156</a>
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<a name="157" href="#157">157</a> m.releaseConnection();
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<a name="158" href="#158">158</a> }
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<a name="159" href="#159">159</a>
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<a name="160" href="#160">160</a> <strong>public</strong> <strong>void</strong> enableThisTestForDebuggingOnly()
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<a name="161" href="#161">161</a> throws InterruptedException {
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<a name="162" href="#162">162</a> <strong>while</strong> (server.isRunning()) {
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<a name="163" href="#163">163</a> Thread.sleep(100);
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<a name="164" href="#164">164</a> }
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<a name="165" href="#165">165</a> }
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<a name="166" href="#166">166</a>
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<a name="167" href="#167">167</a> <strong>private</strong> <strong>class</strong> MyHttpRequestHandler implements <a href="../../../../org/apache/commons/httpclient/server/HttpRequestHandler.html">HttpRequestHandler</a> {
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<a name="168" href="#168">168</a> <strong>private</strong> <strong>int</strong> requestNo = 0;
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<a name="169" href="#169">169</a>
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<a name="170" href="#170">170</a> <strong>public</strong> <strong>boolean</strong> processRequest(
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<a name="171" href="#171">171</a> <strong>final</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServerConnection.html">SimpleHttpServerConnection</a> conn,
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<a name="172" href="#172">172</a> <strong>final</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleRequest.html">SimpleRequest</a> request) throws IOException
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<a name="173" href="#173">173</a> {
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<a name="174" href="#174">174</a> RequestLine requestLine = request.getRequestLine();
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<a name="175" href="#175">175</a> ResponseWriter out = conn.getWriter();
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<a name="176" href="#176">176</a> <strong>if</strong> (<span class="string">"GET"</span>.equals(requestLine.getMethod())
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<a name="177" href="#177">177</a> && <span class="string">"/"</span>.equals(requestLine.getUri())) {
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<a name="178" href="#178">178</a>
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<a name="179" href="#179">179</a> requestNo++;
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<a name="180" href="#180">180</a>
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<a name="181" href="#181">181</a> out.println(<span class="string">"HTTP/1.1 200 OK"</span>);
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<a name="182" href="#182">182</a> out.println(<span class="string">"Content-Type: text/html"</span>);
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<a name="183" href="#183">183</a> out.println(<span class="string">"Content-Length: 5"</span>);
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<a name="184" href="#184">184</a> out.println(<span class="string">"Connection: keep-alive"</span>);
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<a name="185" href="#185">185</a> out.println();
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<a name="186" href="#186">186</a> out.println(<span class="string">"12345"</span>); <em class="comment">// send exactly 5 bytes</em>
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<a name="187" href="#187">187</a>
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<a name="188" href="#188">188</a> <em class="comment">// and some more garbage!</em>
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<a name="189" href="#189">189</a> out.println(<span class="string">"AND SOME MORE\r\nGARBAGE!"</span>);
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<a name="190" href="#190">190</a> out.println(<span class="string">"HTTP/1.0 404 Not Found"</span>);
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<a name="191" href="#191">191</a> out.println(<span class="string">"Content-Type: text/plain"</span>);
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<a name="192" href="#192">192</a> out.println(<span class="string">""</span>);
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<a name="193" href="#193">193</a> out.println(<span class="string">"THIS-IS-A-FAKE-RESPONSE!"</span>);
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<a name="194" href="#194">194</a>
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<a name="195" href="#195">195</a> out.flush();
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<a name="196" href="#196">196</a> <em class="comment">// process max. 2 subsequents requests per connection</em>
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<a name="197" href="#197">197</a> <strong>if</strong> (requestNo < 2) {
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<a name="198" href="#198">198</a> conn.setKeepAlive(<strong>true</strong>);
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<a name="199" href="#199">199</a> }
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<a name="200" href="#200">200</a> }
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<a name="201" href="#201">201</a> <strong>return</strong> <strong>true</strong>;
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<a name="202" href="#202">202</a> }
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<a name="203" href="#203">203</a> }
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<a name="204" href="#204">204</a>
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<a name="205" href="#205">205</a> }
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