<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="null" lang="null"> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>AuthScheme xref</title> <link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /> </head> <body> <div id="overview"><a href="../../../../../../apidocs/org/apache/commons/httpclient/auth/AuthScheme.html">View Javadoc</a></div><pre> <a name="1" href="#1">1</a> <em class="comment">/*</em> <a name="2" href="#2">2</a> <em class="comment"> * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/auth/AuthScheme.java,v 1.12 2004/05/13 04:02:00 mbecke Exp $</em> <a name="3" href="#3">3</a> <em class="comment"> * $Revision: 480424 $</em> <a name="4" href="#4">4</a> <em class="comment"> * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $</em> <a name="5" href="#5">5</a> <em class="comment"> *</em> <a name="6" href="#6">6</a> <em class="comment"> * ====================================================================</em> <a name="7" href="#7">7</a> <em class="comment"> *</em> <a name="8" href="#8">8</a> <em class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> <a name="9" href="#9">9</a> <em class="comment"> * contributor license agreements. See the NOTICE file distributed with</em> <a name="10" href="#10">10</a> <em class="comment"> * this work for additional information regarding copyright ownership.</em> <a name="11" href="#11">11</a> <em class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em> <a name="12" href="#12">12</a> <em class="comment"> * (the "License"); you may not use this file except in compliance with</em> <a name="13" href="#13">13</a> <em class="comment"> * the License. You may obtain a copy of the License at</em> <a name="14" href="#14">14</a> <em class="comment"> *</em> <a name="15" href="#15">15</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> <a name="16" href="#16">16</a> <em class="comment"> *</em> <a name="17" href="#17">17</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em> <a name="18" href="#18">18</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> <a name="19" href="#19">19</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> <a name="20" href="#20">20</a> <em class="comment"> * See the License for the specific language governing permissions and</em> <a name="21" href="#21">21</a> <em class="comment"> * limitations under the License.</em> <a name="22" href="#22">22</a> <em class="comment"> * ====================================================================</em> <a name="23" href="#23">23</a> <em class="comment"> *</em> <a name="24" href="#24">24</a> <em class="comment"> * This software consists of voluntary contributions made by many</em> <a name="25" href="#25">25</a> <em class="comment"> * individuals on behalf of the Apache Software Foundation. For more</em> <a name="26" href="#26">26</a> <em class="comment"> * information on the Apache Software Foundation, please see</em> <a name="27" href="#27">27</a> <em class="comment"> * <<a href="http://www.apache.org/" target="alexandria_uri">http://www.apache.org/</a>>.</em> <a name="28" href="#28">28</a> <em class="comment"> *</em> <a name="29" href="#29">29</a> <em class="comment"> */</em> <a name="30" href="#30">30</a> <a name="31" href="#31">31</a> <strong>package</strong> org.apache.commons.httpclient.auth; <a name="32" href="#32">32</a> <a name="33" href="#33">33</a> <strong>import</strong> org.apache.commons.httpclient.Credentials; <a name="34" href="#34">34</a> <strong>import</strong> org.apache.commons.httpclient.HttpMethod; <a name="35" href="#35">35</a> <a name="36" href="#36">36</a> <em>/**</em> <a name="37" href="#37">37</a> <em> * <p></em> <a name="38" href="#38">38</a> <em> * This interface represents an abstract challenge-response oriented </em> <a name="39" href="#39">39</a> <em> * authentication scheme.</em> <a name="40" href="#40">40</a> <em> * </p></em> <a name="41" href="#41">41</a> <em> * <p></em> <a name="42" href="#42">42</a> <em> * An authentication scheme should be able to support the following</em> <a name="43" href="#43">43</a> <em> * functions:</em> <a name="44" href="#44">44</a> <em> * <ul></em> <a name="45" href="#45">45</a> <em> * <li>Parse and process the challenge sent by the targer server</em> <a name="46" href="#46">46</a> <em> * in response to request for a protected resource</em> <a name="47" href="#47">47</a> <em> * <li>Provide its textual designation</em> <a name="48" href="#48">48</a> <em> * <li>Provide its parameters, if available</em> <a name="49" href="#49">49</a> <em> * <li>Provide the realm this authentication scheme is applicable to,</em> <a name="50" href="#50">50</a> <em> * if available</em> <a name="51" href="#51">51</a> <em> * <li>Generate authorization string for the given set of credentials,</em> <a name="52" href="#52">52</a> <em> * request method and URI as specificed in the HTTP request line</em> <a name="53" href="#53">53</a> <em> * in response to the actual authorization challenge</em> <a name="54" href="#54">54</a> <em> * </ul></em> <a name="55" href="#55">55</a> <em> * </p></em> <a name="56" href="#56">56</a> <em> * <p></em> <a name="57" href="#57">57</a> <em> * Authentication schemes may ignore method name and URI parameters</em> <a name="58" href="#58">58</a> <em> * if they are not relevant for the given authentication mechanism</em> <a name="59" href="#59">59</a> <em> * </p></em> <a name="60" href="#60">60</a> <em> * <p></em> <a name="61" href="#61">61</a> <em> * Authentication schemes may be stateful involving a series of </em> <a name="62" href="#62">62</a> <em> * challenge-response exchanges</em> <a name="63" href="#63">63</a> <em> * </p></em> <a name="64" href="#64">64</a> <em> * </em> <a name="65" href="#65">65</a> <em> * @author <a href="<a href="mailto:oleg@ural.ru" target="alexandria_uri">mailto:oleg@ural.ru</a>">Oleg Kalnichevski</a></em> <a name="66" href="#66">66</a> <em> * @author <a href="<a href="mailto:adrian@ephox.com" target="alexandria_uri">mailto:adrian@ephox.com</a>">Adrian Sutton</a></em> <a name="67" href="#67">67</a> <em> *</em> <a name="68" href="#68">68</a> <em> * @since 2.0beta1</em> <a name="69" href="#69">69</a> <em> */</em> <a name="70" href="#70">70</a> <a name="71" href="#71">71</a> <strong>public</strong> <strong>interface</strong> <a href="../../../../../org/apache/commons/httpclient/auth/AuthScheme.html">AuthScheme</a> { <a name="72" href="#72">72</a> <a name="73" href="#73">73</a> <em>/**</em> <a name="74" href="#74">74</a> <em> * Processes the given challenge token. Some authentication schemes</em> <a name="75" href="#75">75</a> <em> * may involve multiple challenge-response exchanges. Such schemes must be able </em> <a name="76" href="#76">76</a> <em> * to maintain the state information when dealing with sequential challenges </em> <a name="77" href="#77">77</a> <em> * </em> <a name="78" href="#78">78</a> <em> * @param challenge the challenge string</em> <a name="79" href="#79">79</a> <em> * </em> <a name="80" href="#80">80</a> <em> * @since 3.0</em> <a name="81" href="#81">81</a> <em> */</em> <a name="82" href="#82">82</a> <strong>void</strong> processChallenge(<strong>final</strong> String challenge) throws MalformedChallengeException; <a name="83" href="#83">83</a> <a name="84" href="#84">84</a> <em>/**</em> <a name="85" href="#85">85</a> <em> * Returns textual designation of the given authentication scheme.</em> <a name="86" href="#86">86</a> <em> * </em> <a name="87" href="#87">87</a> <em> * @return the name of the given authentication scheme</em> <a name="88" href="#88">88</a> <em> */</em> <a name="89" href="#89">89</a> String getSchemeName(); <a name="90" href="#90">90</a> <a name="91" href="#91">91</a> <em>/**</em> <a name="92" href="#92">92</a> <em> * Returns authentication parameter with the given name, if available.</em> <a name="93" href="#93">93</a> <em> * </em> <a name="94" href="#94">94</a> <em> * @param name The name of the parameter to be returned</em> <a name="95" href="#95">95</a> <em> * </em> <a name="96" href="#96">96</a> <em> * @return the parameter with the given name</em> <a name="97" href="#97">97</a> <em> */</em> <a name="98" href="#98">98</a> String getParameter(<strong>final</strong> String name); <a name="99" href="#99">99</a> <a name="100" href="#100">100</a> <em>/**</em> <a name="101" href="#101">101</a> <em> * Returns authentication realm. If the concept of an authentication</em> <a name="102" href="#102">102</a> <em> * realm is not applicable to the given authentication scheme, returns</em> <a name="103" href="#103">103</a> <em> * <code>null</code>.</em> <a name="104" href="#104">104</a> <em> * </em> <a name="105" href="#105">105</a> <em> * @return the authentication realm</em> <a name="106" href="#106">106</a> <em> */</em> <a name="107" href="#107">107</a> String getRealm(); <a name="108" href="#108">108</a> <a name="109" href="#109">109</a> <em>/**</em> <a name="110" href="#110">110</a> <em> * Returns a String identifying the authentication challenge. This is</em> <a name="111" href="#111">111</a> <em> * used, in combination with the host and port to determine if</em> <a name="112" href="#112">112</a> <em> * authorization has already been attempted or not. Schemes which</em> <a name="113" href="#113">113</a> <em> * require multiple requests to complete the authentication should</em> <a name="114" href="#114">114</a> <em> * return a different value for each stage in the request.</em> <a name="115" href="#115">115</a> <em> * </em> <a name="116" href="#116">116</a> <em> * <p>Additionally, the ID should take into account any changes to the</em> <a name="117" href="#117">117</a> <em> * authentication challenge and return a different value when appropriate.</em> <a name="118" href="#118">118</a> <em> * For example when the realm changes in basic authentication it should be</em> <a name="119" href="#119">119</a> <em> * considered a different authentication attempt and a different value should</em> <a name="120" href="#120">120</a> <em> * be returned.</p></em> <a name="121" href="#121">121</a> <em> * </em> <a name="122" href="#122">122</a> <em> * @return String a String identifying the authentication challenge. The</em> <a name="123" href="#123">123</a> <em> * returned value may be null.</em> <a name="124" href="#124">124</a> <em> * </em> <a name="125" href="#125">125</a> <em> * @deprecated no longer used</em> <a name="126" href="#126">126</a> <em> */</em> <a name="127" href="#127">127</a> String getID(); <a name="128" href="#128">128</a> <a name="129" href="#129">129</a> <em>/**</em> <a name="130" href="#130">130</a> <em> * Tests if the authentication scheme is provides authorization on a per</em> <a name="131" href="#131">131</a> <em> * connection basis instead of usual per request basis</em> <a name="132" href="#132">132</a> <em> * </em> <a name="133" href="#133">133</a> <em> * @return <tt>true</tt> if the scheme is connection based, <tt>false</tt></em> <a name="134" href="#134">134</a> <em> * if the scheme is request based.</em> <a name="135" href="#135">135</a> <em> * </em> <a name="136" href="#136">136</a> <em> * @since 3.0</em> <a name="137" href="#137">137</a> <em> */</em> <a name="138" href="#138">138</a> <strong>boolean</strong> isConnectionBased(); <a name="139" href="#139">139</a> <a name="140" href="#140">140</a> <em>/**</em> <a name="141" href="#141">141</a> <em> * Authentication process may involve a series of challenge-response exchanges.</em> <a name="142" href="#142">142</a> <em> * This method tests if the authorization process has been completed, either</em> <a name="143" href="#143">143</a> <em> * successfully or unsuccessfully, that is, all the required authorization </em> <a name="144" href="#144">144</a> <em> * challenges have been processed in their entirety.</em> <a name="145" href="#145">145</a> <em> * </em> <a name="146" href="#146">146</a> <em> * @return <tt>true</tt> if the authentication process has been completed, </em> <a name="147" href="#147">147</a> <em> * <tt>false</tt> otherwise.</em> <a name="148" href="#148">148</a> <em> * </em> <a name="149" href="#149">149</a> <em> * @since 3.0</em> <a name="150" href="#150">150</a> <em> */</em> <a name="151" href="#151">151</a> <strong>boolean</strong> isComplete(); <a name="152" href="#152">152</a> <em>/**</em> <a name="153" href="#153">153</a> <em> * @deprecated Use {@link #authenticate(Credentials, HttpMethod)}</em> <a name="154" href="#154">154</a> <em> * </em> <a name="155" href="#155">155</a> <em> * Produces an authorization string for the given set of {@link Credentials},</em> <a name="156" href="#156">156</a> <em> * method name and URI using the given authentication scheme in response to </em> <a name="157" href="#157">157</a> <em> * the actual authorization challenge.</em> <a name="158" href="#158">158</a> <em> * </em> <a name="159" href="#159">159</a> <em> * @param credentials The set of credentials to be used for athentication</em> <a name="160" href="#160">160</a> <em> * @param method The name of the method that requires authorization. </em> <a name="161" href="#161">161</a> <em> * This parameter may be ignored, if it is irrelevant </em> <a name="162" href="#162">162</a> <em> * or not applicable to the given authentication scheme</em> <a name="163" href="#163">163</a> <em> * @param uri The URI for which authorization is needed. </em> <a name="164" href="#164">164</a> <em> * This parameter may be ignored, if it is irrelevant or not </em> <a name="165" href="#165">165</a> <em> * applicable to the given authentication scheme</em> <a name="166" href="#166">166</a> <em> * @throws AuthenticationException if authorization string cannot </em> <a name="167" href="#167">167</a> <em> * be generated due to an authentication failure</em> <a name="168" href="#168">168</a> <em> * </em> <a name="169" href="#169">169</a> <em> * @return the authorization string</em> <a name="170" href="#170">170</a> <em> * </em> <a name="171" href="#171">171</a> <em> * @see org.apache.commons.httpclient.HttpMethod#getName()</em> <a name="172" href="#172">172</a> <em> * @see org.apache.commons.httpclient.HttpMethod#getPath()</em> <a name="173" href="#173">173</a> <em> */</em> <a name="174" href="#174">174</a> String authenticate(<a href="../../../../../org/apache/commons/httpclient/Credentials.html">Credentials</a> credentials, String method, String uri) <a name="175" href="#175">175</a> throws AuthenticationException; <a name="176" href="#176">176</a> <a name="177" href="#177">177</a> <em>/**</em> <a name="178" href="#178">178</a> <em> * Produces an authorization string for the given set of {@link Credentials}.</em> <a name="179" href="#179">179</a> <em> * </em> <a name="180" href="#180">180</a> <em> * @param credentials The set of credentials to be used for athentication</em> <a name="181" href="#181">181</a> <em> * @param method The method being authenticated</em> <a name="182" href="#182">182</a> <em> * @throws AuthenticationException if authorization string cannot </em> <a name="183" href="#183">183</a> <em> * be generated due to an authentication failure</em> <a name="184" href="#184">184</a> <em> * </em> <a name="185" href="#185">185</a> <em> * @return the authorization string</em> <a name="186" href="#186">186</a> <em> * </em> <a name="187" href="#187">187</a> <em> * @since 3.0</em> <a name="188" href="#188">188</a> <em> */</em> <a name="189" href="#189">189</a> String authenticate(<a href="../../../../../org/apache/commons/httpclient/Credentials.html">Credentials</a> credentials, <a href="../../../../../org/apache/commons/httpclient/HttpMethod.html">HttpMethod</a> method) throws AuthenticationException; <a name="190" href="#190">190</a> <a name="191" href="#191">191</a> } </pre> <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body> </html>