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<pre><span class="sourceLineNo">001</span><a id="line.1">/*</a>
<span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a>
<span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a>
<span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a>
<span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a>
<span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a>
<span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a>
<span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a>
<span class="sourceLineNo">009</span><a id="line.9"> *</a>
<span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a>
<span class="sourceLineNo">011</span><a id="line.11"> *</a>
<span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a>
<span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a>
<span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a>
<span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a>
<span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a>
<span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a>
<span class="sourceLineNo">018</span><a id="line.18"> */</a>
<span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.web.mgt;</a>
<span class="sourceLineNo">020</span><a id="line.20"></a>
<span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.mgt.DefaultSecurityManager;</a>
<span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.mgt.DefaultSubjectDAO;</a>
<span class="sourceLineNo">023</span><a id="line.23">import org.apache.shiro.mgt.SessionStorageEvaluator;</a>
<span class="sourceLineNo">024</span><a id="line.24">import org.apache.shiro.mgt.SubjectDAO;</a>
<span class="sourceLineNo">025</span><a id="line.25">import org.apache.shiro.realm.Realm;</a>
<span class="sourceLineNo">026</span><a id="line.26">import org.apache.shiro.session.mgt.SessionContext;</a>
<span class="sourceLineNo">027</span><a id="line.27">import org.apache.shiro.session.mgt.SessionKey;</a>
<span class="sourceLineNo">028</span><a id="line.28">import org.apache.shiro.session.mgt.SessionManager;</a>
<span class="sourceLineNo">029</span><a id="line.29">import org.apache.shiro.subject.Subject;</a>
<span class="sourceLineNo">030</span><a id="line.30">import org.apache.shiro.subject.SubjectContext;</a>
<span class="sourceLineNo">031</span><a id="line.31">import org.apache.shiro.util.LifecycleUtils;</a>
<span class="sourceLineNo">032</span><a id="line.32">import org.apache.shiro.web.servlet.ShiroHttpServletRequest;</a>
<span class="sourceLineNo">033</span><a id="line.33">import org.apache.shiro.web.session.mgt.*;</a>
<span class="sourceLineNo">034</span><a id="line.34">import org.apache.shiro.web.subject.WebSubject;</a>
<span class="sourceLineNo">035</span><a id="line.35">import org.apache.shiro.web.subject.WebSubjectContext;</a>
<span class="sourceLineNo">036</span><a id="line.36">import org.apache.shiro.web.subject.support.DefaultWebSubjectContext;</a>
<span class="sourceLineNo">037</span><a id="line.37">import org.apache.shiro.web.util.WebUtils;</a>
<span class="sourceLineNo">038</span><a id="line.38">import org.slf4j.Logger;</a>
<span class="sourceLineNo">039</span><a id="line.39">import org.slf4j.LoggerFactory;</a>
<span class="sourceLineNo">040</span><a id="line.40"></a>
<span class="sourceLineNo">041</span><a id="line.41">import javax.servlet.ServletRequest;</a>
<span class="sourceLineNo">042</span><a id="line.42">import javax.servlet.ServletResponse;</a>
<span class="sourceLineNo">043</span><a id="line.43">import java.io.Serializable;</a>
<span class="sourceLineNo">044</span><a id="line.44">import java.util.Collection;</a>
<span class="sourceLineNo">045</span><a id="line.45"></a>
<span class="sourceLineNo">046</span><a id="line.46"></a>
<span class="sourceLineNo">047</span><a id="line.47">/**</a>
<span class="sourceLineNo">048</span><a id="line.48"> * Default {@link WebSecurityManager WebSecurityManager} implementation used in web-based applications or any</a>
<span class="sourceLineNo">049</span><a id="line.49"> * application that requires HTTP connectivity (SOAP, http remoting, etc).</a>
<span class="sourceLineNo">050</span><a id="line.50"> *</a>
<span class="sourceLineNo">051</span><a id="line.51"> * @since 0.2</a>
<span class="sourceLineNo">052</span><a id="line.52"> */</a>
<span class="sourceLineNo">053</span><a id="line.53">public class DefaultWebSecurityManager extends DefaultSecurityManager implements WebSecurityManager {</a>
<span class="sourceLineNo">054</span><a id="line.54"></a>
<span class="sourceLineNo">055</span><a id="line.55"> //TODO - complete JavaDoc</a>
<span class="sourceLineNo">056</span><a id="line.56"></a>
<span class="sourceLineNo">057</span><a id="line.57"> private static final Logger log = LoggerFactory.getLogger(DefaultWebSecurityManager.class);</a>
<span class="sourceLineNo">058</span><a id="line.58"></a>
<span class="sourceLineNo">059</span><a id="line.59"> @Deprecated</a>
<span class="sourceLineNo">060</span><a id="line.60"> public static final String HTTP_SESSION_MODE = "http";</a>
<span class="sourceLineNo">061</span><a id="line.61"> @Deprecated</a>
<span class="sourceLineNo">062</span><a id="line.62"> public static final String NATIVE_SESSION_MODE = "native";</a>
<span class="sourceLineNo">063</span><a id="line.63"></a>
<span class="sourceLineNo">064</span><a id="line.64"> /**</a>
<span class="sourceLineNo">065</span><a id="line.65"> * @deprecated as of 1.2. This should NOT be used for anything other than determining if the sessionMode has changed.</a>
<span class="sourceLineNo">066</span><a id="line.66"> */</a>
<span class="sourceLineNo">067</span><a id="line.67"> @Deprecated</a>
<span class="sourceLineNo">068</span><a id="line.68"> private String sessionMode;</a>
<span class="sourceLineNo">069</span><a id="line.69"></a>
<span class="sourceLineNo">070</span><a id="line.70"> public DefaultWebSecurityManager() {</a>
<span class="sourceLineNo">071</span><a id="line.71"> super();</a>
<span class="sourceLineNo">072</span><a id="line.72"> DefaultWebSessionStorageEvaluator webEvalutator = new DefaultWebSessionStorageEvaluator(); </a>
<span class="sourceLineNo">073</span><a id="line.73"> ((DefaultSubjectDAO) this.subjectDAO).setSessionStorageEvaluator(webEvalutator);</a>
<span class="sourceLineNo">074</span><a id="line.74"> this.sessionMode = HTTP_SESSION_MODE;</a>
<span class="sourceLineNo">075</span><a id="line.75"> setSubjectFactory(new DefaultWebSubjectFactory());</a>
<span class="sourceLineNo">076</span><a id="line.76"> setRememberMeManager(new CookieRememberMeManager());</a>
<span class="sourceLineNo">077</span><a id="line.77"> setSessionManager(new ServletContainerSessionManager());</a>
<span class="sourceLineNo">078</span><a id="line.78"> webEvalutator.setSessionManager(getSessionManager());</a>
<span class="sourceLineNo">079</span><a id="line.79"> }</a>
<span class="sourceLineNo">080</span><a id="line.80"></a>
<span class="sourceLineNo">081</span><a id="line.81"> @SuppressWarnings({"UnusedDeclaration"})</a>
<span class="sourceLineNo">082</span><a id="line.82"> public DefaultWebSecurityManager(Realm singleRealm) {</a>
<span class="sourceLineNo">083</span><a id="line.83"> this();</a>
<span class="sourceLineNo">084</span><a id="line.84"> setRealm(singleRealm);</a>
<span class="sourceLineNo">085</span><a id="line.85"> }</a>
<span class="sourceLineNo">086</span><a id="line.86"></a>
<span class="sourceLineNo">087</span><a id="line.87"> @SuppressWarnings({"UnusedDeclaration"})</a>
<span class="sourceLineNo">088</span><a id="line.88"> public DefaultWebSecurityManager(Collection&lt;Realm&gt; realms) {</a>
<span class="sourceLineNo">089</span><a id="line.89"> this();</a>
<span class="sourceLineNo">090</span><a id="line.90"> setRealms(realms);</a>
<span class="sourceLineNo">091</span><a id="line.91"> }</a>
<span class="sourceLineNo">092</span><a id="line.92"></a>
<span class="sourceLineNo">093</span><a id="line.93"> @Override</a>
<span class="sourceLineNo">094</span><a id="line.94"> protected SubjectContext createSubjectContext() {</a>
<span class="sourceLineNo">095</span><a id="line.95"> return new DefaultWebSubjectContext();</a>
<span class="sourceLineNo">096</span><a id="line.96"> }</a>
<span class="sourceLineNo">097</span><a id="line.97"></a>
<span class="sourceLineNo">098</span><a id="line.98"> @Override</a>
<span class="sourceLineNo">099</span><a id="line.99"> //since 1.2.1 for fixing SHIRO-350</a>
<span class="sourceLineNo">100</span><a id="line.100"> public void setSubjectDAO(SubjectDAO subjectDAO) {</a>
<span class="sourceLineNo">101</span><a id="line.101"> super.setSubjectDAO(subjectDAO);</a>
<span class="sourceLineNo">102</span><a id="line.102"> applySessionManagerToSessionStorageEvaluatorIfPossible();</a>
<span class="sourceLineNo">103</span><a id="line.103"> }</a>
<span class="sourceLineNo">104</span><a id="line.104"></a>
<span class="sourceLineNo">105</span><a id="line.105"> //since 1.2.1 for fixing SHIRO-350</a>
<span class="sourceLineNo">106</span><a id="line.106"> @Override</a>
<span class="sourceLineNo">107</span><a id="line.107"> protected void afterSessionManagerSet() {</a>
<span class="sourceLineNo">108</span><a id="line.108"> super.afterSessionManagerSet();</a>
<span class="sourceLineNo">109</span><a id="line.109"> applySessionManagerToSessionStorageEvaluatorIfPossible();</a>
<span class="sourceLineNo">110</span><a id="line.110"> }</a>
<span class="sourceLineNo">111</span><a id="line.111"></a>
<span class="sourceLineNo">112</span><a id="line.112"> //since 1.2.1 for fixing SHIRO-350:</a>
<span class="sourceLineNo">113</span><a id="line.113"> private void applySessionManagerToSessionStorageEvaluatorIfPossible() {</a>
<span class="sourceLineNo">114</span><a id="line.114"> SubjectDAO subjectDAO = getSubjectDAO();</a>
<span class="sourceLineNo">115</span><a id="line.115"> if (subjectDAO instanceof DefaultSubjectDAO) {</a>
<span class="sourceLineNo">116</span><a id="line.116"> SessionStorageEvaluator evaluator = ((DefaultSubjectDAO)subjectDAO).getSessionStorageEvaluator();</a>
<span class="sourceLineNo">117</span><a id="line.117"> if (evaluator instanceof DefaultWebSessionStorageEvaluator) {</a>
<span class="sourceLineNo">118</span><a id="line.118"> ((DefaultWebSessionStorageEvaluator)evaluator).setSessionManager(getSessionManager());</a>
<span class="sourceLineNo">119</span><a id="line.119"> }</a>
<span class="sourceLineNo">120</span><a id="line.120"> }</a>
<span class="sourceLineNo">121</span><a id="line.121"> }</a>
<span class="sourceLineNo">122</span><a id="line.122"></a>
<span class="sourceLineNo">123</span><a id="line.123"> @Override</a>
<span class="sourceLineNo">124</span><a id="line.124"> protected SubjectContext copy(SubjectContext subjectContext) {</a>
<span class="sourceLineNo">125</span><a id="line.125"> if (subjectContext instanceof WebSubjectContext) {</a>
<span class="sourceLineNo">126</span><a id="line.126"> return new DefaultWebSubjectContext((WebSubjectContext) subjectContext);</a>
<span class="sourceLineNo">127</span><a id="line.127"> }</a>
<span class="sourceLineNo">128</span><a id="line.128"> return super.copy(subjectContext);</a>
<span class="sourceLineNo">129</span><a id="line.129"> }</a>
<span class="sourceLineNo">130</span><a id="line.130"></a>
<span class="sourceLineNo">131</span><a id="line.131"> @SuppressWarnings({"UnusedDeclaration"})</a>
<span class="sourceLineNo">132</span><a id="line.132"> @Deprecated</a>
<span class="sourceLineNo">133</span><a id="line.133"> public String getSessionMode() {</a>
<span class="sourceLineNo">134</span><a id="line.134"> return sessionMode;</a>
<span class="sourceLineNo">135</span><a id="line.135"> }</a>
<span class="sourceLineNo">136</span><a id="line.136"></a>
<span class="sourceLineNo">137</span><a id="line.137"> /**</a>
<span class="sourceLineNo">138</span><a id="line.138"> * @param sessionMode</a>
<span class="sourceLineNo">139</span><a id="line.139"> * @deprecated since 1.2</a>
<span class="sourceLineNo">140</span><a id="line.140"> */</a>
<span class="sourceLineNo">141</span><a id="line.141"> @Deprecated</a>
<span class="sourceLineNo">142</span><a id="line.142"> public void setSessionMode(String sessionMode) {</a>
<span class="sourceLineNo">143</span><a id="line.143"> log.warn("The 'sessionMode' property has been deprecated. Please configure an appropriate WebSessionManager " +</a>
<span class="sourceLineNo">144</span><a id="line.144"> "instance instead of using this property. This property/method will be removed in a later version.");</a>
<span class="sourceLineNo">145</span><a id="line.145"> String mode = sessionMode;</a>
<span class="sourceLineNo">146</span><a id="line.146"> if (mode == null) {</a>
<span class="sourceLineNo">147</span><a id="line.147"> throw new IllegalArgumentException("sessionMode argument cannot be null.");</a>
<span class="sourceLineNo">148</span><a id="line.148"> }</a>
<span class="sourceLineNo">149</span><a id="line.149"> mode = sessionMode.toLowerCase();</a>
<span class="sourceLineNo">150</span><a id="line.150"> if (!HTTP_SESSION_MODE.equals(mode) &amp;&amp; !NATIVE_SESSION_MODE.equals(mode)) {</a>
<span class="sourceLineNo">151</span><a id="line.151"> String msg = "Invalid sessionMode [" + sessionMode + "]. Allowed values are " +</a>
<span class="sourceLineNo">152</span><a id="line.152"> "public static final String constants in the " + getClass().getName() + " class: '"</a>
<span class="sourceLineNo">153</span><a id="line.153"> + HTTP_SESSION_MODE + "' or '" + NATIVE_SESSION_MODE + "', with '" +</a>
<span class="sourceLineNo">154</span><a id="line.154"> HTTP_SESSION_MODE + "' being the default.";</a>
<span class="sourceLineNo">155</span><a id="line.155"> throw new IllegalArgumentException(msg);</a>
<span class="sourceLineNo">156</span><a id="line.156"> }</a>
<span class="sourceLineNo">157</span><a id="line.157"> boolean recreate = this.sessionMode == null || !this.sessionMode.equals(mode);</a>
<span class="sourceLineNo">158</span><a id="line.158"> this.sessionMode = mode;</a>
<span class="sourceLineNo">159</span><a id="line.159"> if (recreate) {</a>
<span class="sourceLineNo">160</span><a id="line.160"> LifecycleUtils.destroy(getSessionManager());</a>
<span class="sourceLineNo">161</span><a id="line.161"> SessionManager sessionManager = createSessionManager(mode);</a>
<span class="sourceLineNo">162</span><a id="line.162"> this.setInternalSessionManager(sessionManager);</a>
<span class="sourceLineNo">163</span><a id="line.163"> }</a>
<span class="sourceLineNo">164</span><a id="line.164"> }</a>
<span class="sourceLineNo">165</span><a id="line.165"></a>
<span class="sourceLineNo">166</span><a id="line.166"> @Override</a>
<span class="sourceLineNo">167</span><a id="line.167"> public void setSessionManager(SessionManager sessionManager) {</a>
<span class="sourceLineNo">168</span><a id="line.168"> this.sessionMode = null;</a>
<span class="sourceLineNo">169</span><a id="line.169"> if (sessionManager != null &amp;&amp; !(sessionManager instanceof WebSessionManager)) {</a>
<span class="sourceLineNo">170</span><a id="line.170"> if (log.isWarnEnabled()) {</a>
<span class="sourceLineNo">171</span><a id="line.171"> String msg = "The " + getClass().getName() + " implementation expects SessionManager instances " +</a>
<span class="sourceLineNo">172</span><a id="line.172"> "that implement the " + WebSessionManager.class.getName() + " interface. The " +</a>
<span class="sourceLineNo">173</span><a id="line.173"> "configured instance is of type [" + sessionManager.getClass().getName() + "] which does not " +</a>
<span class="sourceLineNo">174</span><a id="line.174"> "implement this interface.. This may cause unexpected behavior.";</a>
<span class="sourceLineNo">175</span><a id="line.175"> log.warn(msg);</a>
<span class="sourceLineNo">176</span><a id="line.176"> }</a>
<span class="sourceLineNo">177</span><a id="line.177"> }</a>
<span class="sourceLineNo">178</span><a id="line.178"> setInternalSessionManager(sessionManager);</a>
<span class="sourceLineNo">179</span><a id="line.179"> }</a>
<span class="sourceLineNo">180</span><a id="line.180"></a>
<span class="sourceLineNo">181</span><a id="line.181"> /**</a>
<span class="sourceLineNo">182</span><a id="line.182"> * @param sessionManager</a>
<span class="sourceLineNo">183</span><a id="line.183"> * @since 1.2</a>
<span class="sourceLineNo">184</span><a id="line.184"> */</a>
<span class="sourceLineNo">185</span><a id="line.185"> private void setInternalSessionManager(SessionManager sessionManager) {</a>
<span class="sourceLineNo">186</span><a id="line.186"> super.setSessionManager(sessionManager);</a>
<span class="sourceLineNo">187</span><a id="line.187"> }</a>
<span class="sourceLineNo">188</span><a id="line.188"></a>
<span class="sourceLineNo">189</span><a id="line.189"> /**</a>
<span class="sourceLineNo">190</span><a id="line.190"> * @since 1.0</a>
<span class="sourceLineNo">191</span><a id="line.191"> */</a>
<span class="sourceLineNo">192</span><a id="line.192"> public boolean isHttpSessionMode() {</a>
<span class="sourceLineNo">193</span><a id="line.193"> SessionManager sessionManager = getSessionManager();</a>
<span class="sourceLineNo">194</span><a id="line.194"> return sessionManager instanceof WebSessionManager &amp;&amp; ((WebSessionManager)sessionManager).isServletContainerSessions();</a>
<span class="sourceLineNo">195</span><a id="line.195"> }</a>
<span class="sourceLineNo">196</span><a id="line.196"></a>
<span class="sourceLineNo">197</span><a id="line.197"> protected SessionManager createSessionManager(String sessionMode) {</a>
<span class="sourceLineNo">198</span><a id="line.198"> if (sessionMode == null || !sessionMode.equalsIgnoreCase(NATIVE_SESSION_MODE)) {</a>
<span class="sourceLineNo">199</span><a id="line.199"> log.info("{} mode - enabling ServletContainerSessionManager (HTTP-only Sessions)", HTTP_SESSION_MODE);</a>
<span class="sourceLineNo">200</span><a id="line.200"> return new ServletContainerSessionManager();</a>
<span class="sourceLineNo">201</span><a id="line.201"> } else {</a>
<span class="sourceLineNo">202</span><a id="line.202"> log.info("{} mode - enabling DefaultWebSessionManager (non-HTTP and HTTP Sessions)", NATIVE_SESSION_MODE);</a>
<span class="sourceLineNo">203</span><a id="line.203"> return new DefaultWebSessionManager();</a>
<span class="sourceLineNo">204</span><a id="line.204"> }</a>
<span class="sourceLineNo">205</span><a id="line.205"> }</a>
<span class="sourceLineNo">206</span><a id="line.206"></a>
<span class="sourceLineNo">207</span><a id="line.207"> @Override</a>
<span class="sourceLineNo">208</span><a id="line.208"> protected SessionContext createSessionContext(SubjectContext subjectContext) {</a>
<span class="sourceLineNo">209</span><a id="line.209"> SessionContext sessionContext = super.createSessionContext(subjectContext);</a>
<span class="sourceLineNo">210</span><a id="line.210"> if (subjectContext instanceof WebSubjectContext) {</a>
<span class="sourceLineNo">211</span><a id="line.211"> WebSubjectContext wsc = (WebSubjectContext) subjectContext;</a>
<span class="sourceLineNo">212</span><a id="line.212"> ServletRequest request = wsc.resolveServletRequest();</a>
<span class="sourceLineNo">213</span><a id="line.213"> ServletResponse response = wsc.resolveServletResponse();</a>
<span class="sourceLineNo">214</span><a id="line.214"> DefaultWebSessionContext webSessionContext = new DefaultWebSessionContext(sessionContext);</a>
<span class="sourceLineNo">215</span><a id="line.215"> if (request != null) {</a>
<span class="sourceLineNo">216</span><a id="line.216"> webSessionContext.setServletRequest(request);</a>
<span class="sourceLineNo">217</span><a id="line.217"> }</a>
<span class="sourceLineNo">218</span><a id="line.218"> if (response != null) {</a>
<span class="sourceLineNo">219</span><a id="line.219"> webSessionContext.setServletResponse(response);</a>
<span class="sourceLineNo">220</span><a id="line.220"> }</a>
<span class="sourceLineNo">221</span><a id="line.221"></a>
<span class="sourceLineNo">222</span><a id="line.222"> sessionContext = webSessionContext;</a>
<span class="sourceLineNo">223</span><a id="line.223"> }</a>
<span class="sourceLineNo">224</span><a id="line.224"> return sessionContext;</a>
<span class="sourceLineNo">225</span><a id="line.225"> }</a>
<span class="sourceLineNo">226</span><a id="line.226"></a>
<span class="sourceLineNo">227</span><a id="line.227"> @Override</a>
<span class="sourceLineNo">228</span><a id="line.228"> protected SessionKey getSessionKey(SubjectContext context) {</a>
<span class="sourceLineNo">229</span><a id="line.229"> if (WebUtils.isWeb(context)) {</a>
<span class="sourceLineNo">230</span><a id="line.230"> Serializable sessionId = context.getSessionId();</a>
<span class="sourceLineNo">231</span><a id="line.231"> ServletRequest request = WebUtils.getRequest(context);</a>
<span class="sourceLineNo">232</span><a id="line.232"> ServletResponse response = WebUtils.getResponse(context);</a>
<span class="sourceLineNo">233</span><a id="line.233"> return new WebSessionKey(sessionId, request, response);</a>
<span class="sourceLineNo">234</span><a id="line.234"> } else {</a>
<span class="sourceLineNo">235</span><a id="line.235"> return super.getSessionKey(context);</a>
<span class="sourceLineNo">236</span><a id="line.236"></a>
<span class="sourceLineNo">237</span><a id="line.237"> }</a>
<span class="sourceLineNo">238</span><a id="line.238"> }</a>
<span class="sourceLineNo">239</span><a id="line.239"></a>
<span class="sourceLineNo">240</span><a id="line.240"> @Override</a>
<span class="sourceLineNo">241</span><a id="line.241"> protected void beforeLogout(Subject subject) {</a>
<span class="sourceLineNo">242</span><a id="line.242"> super.beforeLogout(subject);</a>
<span class="sourceLineNo">243</span><a id="line.243"> removeRequestIdentity(subject);</a>
<span class="sourceLineNo">244</span><a id="line.244"> }</a>
<span class="sourceLineNo">245</span><a id="line.245"></a>
<span class="sourceLineNo">246</span><a id="line.246"> protected void removeRequestIdentity(Subject subject) {</a>
<span class="sourceLineNo">247</span><a id="line.247"> if (subject instanceof WebSubject) {</a>
<span class="sourceLineNo">248</span><a id="line.248"> WebSubject webSubject = (WebSubject) subject;</a>
<span class="sourceLineNo">249</span><a id="line.249"> ServletRequest request = webSubject.getServletRequest();</a>
<span class="sourceLineNo">250</span><a id="line.250"> if (request != null) {</a>
<span class="sourceLineNo">251</span><a id="line.251"> request.setAttribute(ShiroHttpServletRequest.IDENTITY_REMOVED_KEY, Boolean.TRUE);</a>
<span class="sourceLineNo">252</span><a id="line.252"> }</a>
<span class="sourceLineNo">253</span><a id="line.253"> }</a>
<span class="sourceLineNo">254</span><a id="line.254"> }</a>
<span class="sourceLineNo">255</span><a id="line.255">}</a>
</pre>
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