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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a name="10" href="#10">10</a> <em class="jxr_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="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a name="18" href="#18">18</a> <em class="jxr_comment"> */</em> |
| <a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.authc; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.subject.PrincipalCollection; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a name="24" href="#24">24</a> |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; |
| <a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Collection; |
| <a name="27" href="#27">27</a> |
| <a name="28" href="#28">28</a> |
| <a name="29" href="#29">29</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * Superclass for almost all {@link Authenticator} implementations that performs the common work around authentication</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * attempts.</em> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * This class delegates the actual authentication attempt to subclasses but supports notification for</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * successful and failed logins as well as logouts. Notification is sent to one or more registered</em> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener AuthenticationListener}s to allow for custom processing logic</em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * when these conditions occur.</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * In most cases, the only thing a subclass needs to do (via its {@link #doAuthenticate} implementation)</em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * is perform the actual principal/credential verification process for the submitted {@code AuthenticationToken}.</em> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * @since 0.1</em> |
| <a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/shiro/authc/AbstractAuthenticator.html">AbstractAuthenticator</a> implements Authenticator, <a href="../../../../org/apache/shiro/authc/LogoutAware.html">LogoutAware</a> { |
| <a name="44" href="#44">44</a> |
| <a name="45" href="#45">45</a> <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------</em></em> |
| <a name="46" href="#46">46</a> <em class="jxr_comment"> | C O N S T A N T S |</em> |
| <a name="47" href="#47">47</a> <em class="jxr_comment"> ============================================*/</em> |
| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * Private class log instance.</em> |
| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="51" href="#51">51</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger log = LoggerFactory.getLogger(AbstractAuthenticator.<strong class="jxr_keyword">class</strong>); |
| <a name="52" href="#52">52</a> |
| <a name="53" href="#53">53</a> <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------</em></em> |
| <a name="54" href="#54">54</a> <em class="jxr_comment"> | I N S T A N C E V A R I A B L E S |</em> |
| <a name="55" href="#55">55</a> <em class="jxr_comment"> ============================================*/</em> |
| <a name="56" href="#56">56</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * Any registered listeners that wish to know about things during the authentication process.</em> |
| <a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="59" href="#59">59</a> <strong class="jxr_keyword">private</strong> Collection<AuthenticationListener> listeners; |
| <a name="60" href="#60">60</a> |
| <a name="61" href="#61">61</a> <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------</em></em> |
| <a name="62" href="#62">62</a> <em class="jxr_comment"> | C O N S T R U C T O R S |</em> |
| <a name="63" href="#63">63</a> <em class="jxr_comment"> ============================================*/</em> |
| <a name="64" href="#64">64</a> |
| <a name="65" href="#65">65</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * Default no-argument constructor. Ensures the internal</em> |
| <a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener AuthenticationListener} collection is a non-null {@code ArrayList}.</em> |
| <a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/shiro/authc/AbstractAuthenticator.html">AbstractAuthenticator</a>() { |
| <a name="70" href="#70">70</a> listeners = <strong class="jxr_keyword">new</strong> ArrayList<AuthenticationListener>(); |
| <a name="71" href="#71">71</a> } |
| <a name="72" href="#72">72</a> |
| <a name="73" href="#73">73</a> <em class="jxr_comment">/*<em class="jxr_comment">--------------------------------------------</em></em> |
| <a name="74" href="#74">74</a> <em class="jxr_comment"> | A C C E S S O R S / M O D I F I E R S |</em> |
| <a name="75" href="#75">75</a> <em class="jxr_comment"> ============================================*/</em> |
| <a name="76" href="#76">76</a> |
| <a name="77" href="#77">77</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * Sets the {@link AuthenticationListener AuthenticationListener}s that should be notified during authentication</em> |
| <a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * attempts.</em> |
| <a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @param listeners one or more {@code AuthenticationListener}s that should be notified due to an</em> |
| <a name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * authentication attempt.</em> |
| <a name="83" href="#83">83</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="84" href="#84">84</a> @SuppressWarnings({<span class="jxr_string">"UnusedDeclaration"</span>}) |
| <a name="85" href="#85">85</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setAuthenticationListeners(Collection<AuthenticationListener> listeners) { |
| <a name="86" href="#86">86</a> <strong class="jxr_keyword">if</strong> (listeners == <strong class="jxr_keyword">null</strong>) { |
| <a name="87" href="#87">87</a> <strong class="jxr_keyword">this</strong>.listeners = <strong class="jxr_keyword">new</strong> ArrayList<AuthenticationListener>(); |
| <a name="88" href="#88">88</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="89" href="#89">89</a> <strong class="jxr_keyword">this</strong>.listeners = listeners; |
| <a name="90" href="#90">90</a> } |
| <a name="91" href="#91">91</a> } |
| <a name="92" href="#92">92</a> |
| <a name="93" href="#93">93</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * Returns the {@link AuthenticationListener AuthenticationListener}s that should be notified during authentication</em> |
| <a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * attempts.</em> |
| <a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * @return the {@link AuthenticationListener AuthenticationListener}s that should be notified during authentication</em> |
| <a name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * attempts.</em> |
| <a name="99" href="#99">99</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="100" href="#100">100</a> @SuppressWarnings({<span class="jxr_string">"UnusedDeclaration"</span>}) |
| <a name="101" href="#101">101</a> <strong class="jxr_keyword">public</strong> Collection<AuthenticationListener> getAuthenticationListeners() { |
| <a name="102" href="#102">102</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.listeners; |
| <a name="103" href="#103">103</a> } |
| <a name="104" href="#104">104</a> |
| <a name="105" href="#105">105</a> <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------</em></em> |
| <a name="106" href="#106">106</a> <em class="jxr_comment"> | M E T H O D S |</em> |
| <a name="107" href="#107">107</a> <em class="jxr_comment"> ============================================*/</em> |
| <a name="108" href="#108">108</a> |
| <a name="109" href="#109">109</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * Notifies any registered {@link AuthenticationListener AuthenticationListener}s that</em> |
| <a name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * authentication was successful for the specified {@code token} which resulted in the specified</em> |
| <a name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * {@code info}. This implementation merely iterates over the internal {@code listeners} collection and</em> |
| <a name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * calls {@link AuthenticationListener#onSuccess(AuthenticationToken, AuthenticationInfo) onSuccess}</em> |
| <a name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * for each.</em> |
| <a name="115" href="#115">115</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * @param token the submitted {@code AuthenticationToken} that resulted in a successful authentication.</em> |
| <a name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * @param info the returned {@code AuthenticationInfo} resulting from the successful authentication.</em> |
| <a name="118" href="#118">118</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="119" href="#119">119</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> notifySuccess(<a href="../../../../org/apache/shiro/authc/AuthenticationToken.html">AuthenticationToken</a> token, <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> info) { |
| <a name="120" href="#120">120</a> <strong class="jxr_keyword">for</strong> (AuthenticationListener listener : <strong class="jxr_keyword">this</strong>.listeners) { |
| <a name="121" href="#121">121</a> listener.onSuccess(token, info); |
| <a name="122" href="#122">122</a> } |
| <a name="123" href="#123">123</a> } |
| <a name="124" href="#124">124</a> |
| <a name="125" href="#125">125</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * Notifies any registered {@link AuthenticationListener AuthenticationListener}s that</em> |
| <a name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * authentication failed for the</em> |
| <a name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * specified {@code token} which resulted in the specified {@code ae} exception. This implementation merely</em> |
| <a name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * iterates over the internal {@code listeners} collection and calls</em> |
| <a name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener#onFailure(AuthenticationToken, AuthenticationException) onFailure}</em> |
| <a name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * for each.</em> |
| <a name="132" href="#132">132</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * @param token the submitted {@code AuthenticationToken} that resulted in a failed authentication.</em> |
| <a name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * @param ae the resulting {@code AuthenticationException} that caused the authentication to fail.</em> |
| <a name="135" href="#135">135</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="136" href="#136">136</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> notifyFailure(<a href="../../../../org/apache/shiro/authc/AuthenticationToken.html">AuthenticationToken</a> token, <a href="../../../../org/apache/shiro/authc/AuthenticationException.html">AuthenticationException</a> ae) { |
| <a name="137" href="#137">137</a> <strong class="jxr_keyword">for</strong> (AuthenticationListener listener : <strong class="jxr_keyword">this</strong>.listeners) { |
| <a name="138" href="#138">138</a> listener.onFailure(token, ae); |
| <a name="139" href="#139">139</a> } |
| <a name="140" href="#140">140</a> } |
| <a name="141" href="#141">141</a> |
| <a name="142" href="#142">142</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * Notifies any registered {@link AuthenticationListener AuthenticationListener}s that a</em> |
| <a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * {@code Subject} has logged-out. This implementation merely</em> |
| <a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * iterates over the internal {@code listeners} collection and calls</em> |
| <a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener#onLogout(org.apache.shiro.subject.PrincipalCollection) onLogout}</em> |
| <a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * for each.</em> |
| <a name="148" href="#148">148</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * @param principals the identifying principals of the {@code Subject}/account logging out.</em> |
| <a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="151" href="#151">151</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> notifyLogout(<a href="../../../../org/apache/shiro/subject/PrincipalCollection.html">PrincipalCollection</a> principals) { |
| <a name="152" href="#152">152</a> <strong class="jxr_keyword">for</strong> (AuthenticationListener listener : <strong class="jxr_keyword">this</strong>.listeners) { |
| <a name="153" href="#153">153</a> listener.onLogout(principals); |
| <a name="154" href="#154">154</a> } |
| <a name="155" href="#155">155</a> } |
| <a name="156" href="#156">156</a> |
| <a name="157" href="#157">157</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="158" href="#158">158</a> <em class="jxr_javadoccomment"> * This implementation merely calls</em> |
| <a name="159" href="#159">159</a> <em class="jxr_javadoccomment"> * {@link #notifyLogout(org.apache.shiro.subject.PrincipalCollection) notifyLogout} to allow any registered listeners</em> |
| <a name="160" href="#160">160</a> <em class="jxr_javadoccomment"> * to react to the logout.</em> |
| <a name="161" href="#161">161</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="162" href="#162">162</a> <em class="jxr_javadoccomment"> * @param principals the identifying principals of the {@code Subject}/account logging out.</em> |
| <a name="163" href="#163">163</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="164" href="#164">164</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onLogout(<a href="../../../../org/apache/shiro/subject/PrincipalCollection.html">PrincipalCollection</a> principals) { |
| <a name="165" href="#165">165</a> notifyLogout(principals); |
| <a name="166" href="#166">166</a> } |
| <a name="167" href="#167">167</a> |
| <a name="168" href="#168">168</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * Implementation of the {@link Authenticator} interface that functions in the following manner:</em> |
| <a name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * <ol></em> |
| <a name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * <li>Calls template {@link #doAuthenticate doAuthenticate} method for subclass execution of the actual</em> |
| <a name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * authentication behavior.</li></em> |
| <a name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * <li>If an {@code AuthenticationException} is thrown during {@code doAuthenticate},</em> |
| <a name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * {@link #notifyFailure(AuthenticationToken, AuthenticationException) notify} any registered</em> |
| <a name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener AuthenticationListener}s of the exception and then propogate the exception</em> |
| <a name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * for the caller to handle.</li></em> |
| <a name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * <li>If no exception is thrown (indicating a successful login),</em> |
| <a name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * {@link #notifySuccess(AuthenticationToken, AuthenticationInfo) notify} any registered</em> |
| <a name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * {@link AuthenticationListener AuthenticationListener}s of the successful attempt.</li></em> |
| <a name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * <li>Return the {@code AuthenticationInfo}</li></em> |
| <a name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * </ol></em> |
| <a name="182" href="#182">182</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * @param token the submitted token representing the subject's (user's) login principals and credentials.</em> |
| <a name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * @return the AuthenticationInfo referencing the authenticated user's account data.</em> |
| <a name="185" href="#185">185</a> <em class="jxr_javadoccomment"> * @throws AuthenticationException if there is any problem during the authentication process - see the</em> |
| <a name="186" href="#186">186</a> <em class="jxr_javadoccomment"> * interface's JavaDoc for a more detailed explanation.</em> |
| <a name="187" href="#187">187</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="188" href="#188">188</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> authenticate(<a href="../../../../org/apache/shiro/authc/AuthenticationToken.html">AuthenticationToken</a> token) <strong class="jxr_keyword">throws</strong> AuthenticationException { |
| <a name="189" href="#189">189</a> |
| <a name="190" href="#190">190</a> <strong class="jxr_keyword">if</strong> (token == <strong class="jxr_keyword">null</strong>) { |
| <a name="191" href="#191">191</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Method argumet (authentication token) cannot be null."</span>); |
| <a name="192" href="#192">192</a> } |
| <a name="193" href="#193">193</a> |
| <a name="194" href="#194">194</a> log.trace(<span class="jxr_string">"Authentication attempt received for token [{}]"</span>, token); |
| <a name="195" href="#195">195</a> |
| <a name="196" href="#196">196</a> <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> info; |
| <a name="197" href="#197">197</a> <strong class="jxr_keyword">try</strong> { |
| <a name="198" href="#198">198</a> info = doAuthenticate(token); |
| <a name="199" href="#199">199</a> <strong class="jxr_keyword">if</strong> (info == <strong class="jxr_keyword">null</strong>) { |
| <a name="200" href="#200">200</a> String msg = <span class="jxr_string">"No account information found for authentication token ["</span> + token + <span class="jxr_string">"] by this "</span> + |
| <a name="201" href="#201">201</a> <span class="jxr_string">"Authenticator instance. Please check that it is configured correctly."</span>; |
| <a name="202" href="#202">202</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationException.html">AuthenticationException</a>(msg); |
| <a name="203" href="#203">203</a> } |
| <a name="204" href="#204">204</a> } <strong class="jxr_keyword">catch</strong> (Throwable t) { |
| <a name="205" href="#205">205</a> <a href="../../../../org/apache/shiro/authc/AuthenticationException.html">AuthenticationException</a> ae = <strong class="jxr_keyword">null</strong>; |
| <a name="206" href="#206">206</a> <strong class="jxr_keyword">if</strong> (t instanceof AuthenticationException) { |
| <a name="207" href="#207">207</a> ae = (AuthenticationException) t; |
| <a name="208" href="#208">208</a> } |
| <a name="209" href="#209">209</a> <strong class="jxr_keyword">if</strong> (ae == <strong class="jxr_keyword">null</strong>) { |
| <a name="210" href="#210">210</a> <em class="jxr_comment">//Exception thrown was not an expected AuthenticationException. Therefore it is probably a little more</em> |
| <a name="211" href="#211">211</a> <em class="jxr_comment">//severe or unexpected. So, wrap in an AuthenticationException, log to warn, and propagate:</em> |
| <a name="212" href="#212">212</a> String msg = <span class="jxr_string">"Authentication failed for token submission ["</span> + token + <span class="jxr_string">"]. Possible unexpected "</span> + |
| <a name="213" href="#213">213</a> <span class="jxr_string">"error? (Typical or expected login exceptions should extend from AuthenticationException)."</span>; |
| <a name="214" href="#214">214</a> ae = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationException.html">AuthenticationException</a>(msg, t); |
| <a name="215" href="#215">215</a> } |
| <a name="216" href="#216">216</a> <strong class="jxr_keyword">try</strong> { |
| <a name="217" href="#217">217</a> notifyFailure(token, ae); |
| <a name="218" href="#218">218</a> } <strong class="jxr_keyword">catch</strong> (Throwable t2) { |
| <a name="219" href="#219">219</a> <strong class="jxr_keyword">if</strong> (log.isWarnEnabled()) { |
| <a name="220" href="#220">220</a> String msg = <span class="jxr_string">"Unable to send notification for failed authentication attempt - listener error?. "</span> + |
| <a name="221" href="#221">221</a> <span class="jxr_string">"Please check your AuthenticationListener implementation(s). Logging sending exception "</span> + |
| <a name="222" href="#222">222</a> <span class="jxr_string">"and propagating original AuthenticationException instead..."</span>; |
| <a name="223" href="#223">223</a> log.warn(msg, t2); |
| <a name="224" href="#224">224</a> } |
| <a name="225" href="#225">225</a> } |
| <a name="226" href="#226">226</a> |
| <a name="227" href="#227">227</a> |
| <a name="228" href="#228">228</a> <strong class="jxr_keyword">throw</strong> ae; |
| <a name="229" href="#229">229</a> } |
| <a name="230" href="#230">230</a> |
| <a name="231" href="#231">231</a> log.debug(<span class="jxr_string">"Authentication successful for token [{}]. Returned account [{}]"</span>, token, info); |
| <a name="232" href="#232">232</a> |
| <a name="233" href="#233">233</a> notifySuccess(token, info); |
| <a name="234" href="#234">234</a> |
| <a name="235" href="#235">235</a> <strong class="jxr_keyword">return</strong> info; |
| <a name="236" href="#236">236</a> } |
| <a name="237" href="#237">237</a> |
| <a name="238" href="#238">238</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="239" href="#239">239</a> <em class="jxr_javadoccomment"> * Template design pattern hook for subclasses to implement specific authentication behavior.</em> |
| <a name="240" href="#240">240</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="241" href="#241">241</a> <em class="jxr_javadoccomment"> * Common behavior for most authentication attempts is encapsulated in the</em> |
| <a name="242" href="#242">242</a> <em class="jxr_javadoccomment"> * {@link #authenticate} method and that method invokes this one for custom behavior.</em> |
| <a name="243" href="#243">243</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="244" href="#244">244</a> <em class="jxr_javadoccomment"> * <b>N.B.</b> Subclasses <em>should</em> throw some kind of</em> |
| <a name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * {@code AuthenticationException} if there is a problem during</em> |
| <a name="246" href="#246">246</a> <em class="jxr_javadoccomment"> * authentication instead of returning {@code null}. A {@code null} return value indicates</em> |
| <a name="247" href="#247">247</a> <em class="jxr_javadoccomment"> * a configuration or programming error, since {@code AuthenticationException}s should</em> |
| <a name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * indicate any expected problem (such as an unknown account or username, or invalid password, etc).</em> |
| <a name="249" href="#249">249</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="250" href="#250">250</a> <em class="jxr_javadoccomment"> * @param token the authentication token encapsulating the user's login information.</em> |
| <a name="251" href="#251">251</a> <em class="jxr_javadoccomment"> * @return an {@code AuthenticationInfo} object encapsulating the user's account information</em> |
| <a name="252" href="#252">252</a> <em class="jxr_javadoccomment"> * important to Shiro.</em> |
| <a name="253" href="#253">253</a> <em class="jxr_javadoccomment"> * @throws AuthenticationException if there is a problem logging in the user.</em> |
| <a name="254" href="#254">254</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="255" href="#255">255</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> doAuthenticate(<a href="../../../../org/apache/shiro/authc/AuthenticationToken.html">AuthenticationToken</a> token) |
| <a name="256" href="#256">256</a> <strong class="jxr_keyword">throws</strong> AuthenticationException; |
| <a name="257" href="#257">257</a> |
| <a name="258" href="#258">258</a> |
| <a name="259" href="#259">259</a> } |
| </pre> |
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