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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.servlet;</a>
<span class="sourceLineNo">020</span><a id="line.20"></a>
<span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.SecurityUtils;</a>
<span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.session.Session;</a>
<span class="sourceLineNo">023</span><a id="line.23">import org.apache.shiro.subject.Subject;</a>
<span class="sourceLineNo">024</span><a id="line.24">import org.apache.shiro.subject.support.DisabledSessionException;</a>
<span class="sourceLineNo">025</span><a id="line.25">import org.apache.shiro.web.util.WebUtils;</a>
<span class="sourceLineNo">026</span><a id="line.26"></a>
<span class="sourceLineNo">027</span><a id="line.27">import javax.servlet.ServletContext;</a>
<span class="sourceLineNo">028</span><a id="line.28">import javax.servlet.http.HttpServletRequest;</a>
<span class="sourceLineNo">029</span><a id="line.29">import javax.servlet.http.HttpServletRequestWrapper;</a>
<span class="sourceLineNo">030</span><a id="line.30">import javax.servlet.http.HttpSession;</a>
<span class="sourceLineNo">031</span><a id="line.31">import java.security.Principal;</a>
<span class="sourceLineNo">032</span><a id="line.32"></a>
<span class="sourceLineNo">033</span><a id="line.33"></a>
<span class="sourceLineNo">034</span><a id="line.34">/**</a>
<span class="sourceLineNo">035</span><a id="line.35"> * A {@code ShiroHttpServletRequest} wraps the Servlet container's original {@code ServletRequest} instance, but ensures</a>
<span class="sourceLineNo">036</span><a id="line.36"> * that all {@link HttpServletRequest} invocations that require Shiro's support ({@link #getRemoteUser getRemoteUser},</a>
<span class="sourceLineNo">037</span><a id="line.37"> * {@link #getSession getSession}, etc) can be executed first by Shiro as necessary before allowing the underlying</a>
<span class="sourceLineNo">038</span><a id="line.38"> * Servlet container instance's method to be invoked.</a>
<span class="sourceLineNo">039</span><a id="line.39"> *</a>
<span class="sourceLineNo">040</span><a id="line.40"> * @since 0.2</a>
<span class="sourceLineNo">041</span><a id="line.41"> */</a>
<span class="sourceLineNo">042</span><a id="line.42">public class ShiroHttpServletRequest extends HttpServletRequestWrapper {</a>
<span class="sourceLineNo">043</span><a id="line.43"></a>
<span class="sourceLineNo">044</span><a id="line.44"> //TODO - complete JavaDoc</a>
<span class="sourceLineNo">045</span><a id="line.45"></a>
<span class="sourceLineNo">046</span><a id="line.46"> //The following 7 constants support the Shiro's implementation of the Servlet Specification</a>
<span class="sourceLineNo">047</span><a id="line.47"> public static final String COOKIE_SESSION_ID_SOURCE = "cookie";</a>
<span class="sourceLineNo">048</span><a id="line.48"> public static final String URL_SESSION_ID_SOURCE = "url";</a>
<span class="sourceLineNo">049</span><a id="line.49"> public static final String REFERENCED_SESSION_ID = ShiroHttpServletRequest.class.getName() + "_REQUESTED_SESSION_ID";</a>
<span class="sourceLineNo">050</span><a id="line.50"> public static final String REFERENCED_SESSION_ID_IS_VALID = ShiroHttpServletRequest.class.getName() + "_REQUESTED_SESSION_ID_VALID";</a>
<span class="sourceLineNo">051</span><a id="line.51"> public static final String REFERENCED_SESSION_IS_NEW = ShiroHttpServletRequest.class.getName() + "_REFERENCED_SESSION_IS_NEW";</a>
<span class="sourceLineNo">052</span><a id="line.52"> public static final String REFERENCED_SESSION_ID_SOURCE = ShiroHttpServletRequest.class.getName() + "REFERENCED_SESSION_ID_SOURCE";</a>
<span class="sourceLineNo">053</span><a id="line.53"> public static final String IDENTITY_REMOVED_KEY = ShiroHttpServletRequest.class.getName() + "_IDENTITY_REMOVED_KEY";</a>
<span class="sourceLineNo">054</span><a id="line.54"> public static final String SESSION_ID_URL_REWRITING_ENABLED = ShiroHttpServletRequest.class.getName() + "_SESSION_ID_URL_REWRITING_ENABLED";</a>
<span class="sourceLineNo">055</span><a id="line.55"></a>
<span class="sourceLineNo">056</span><a id="line.56"> protected ServletContext servletContext = null;</a>
<span class="sourceLineNo">057</span><a id="line.57"></a>
<span class="sourceLineNo">058</span><a id="line.58"> protected HttpSession session = null;</a>
<span class="sourceLineNo">059</span><a id="line.59"> protected boolean httpSessions = true;</a>
<span class="sourceLineNo">060</span><a id="line.60"></a>
<span class="sourceLineNo">061</span><a id="line.61"> public ShiroHttpServletRequest(HttpServletRequest wrapped, ServletContext servletContext, boolean httpSessions) {</a>
<span class="sourceLineNo">062</span><a id="line.62"> super(wrapped);</a>
<span class="sourceLineNo">063</span><a id="line.63"> this.servletContext = servletContext;</a>
<span class="sourceLineNo">064</span><a id="line.64"> this.httpSessions = httpSessions;</a>
<span class="sourceLineNo">065</span><a id="line.65"> }</a>
<span class="sourceLineNo">066</span><a id="line.66"></a>
<span class="sourceLineNo">067</span><a id="line.67"> public boolean isHttpSessions() {</a>
<span class="sourceLineNo">068</span><a id="line.68"> return httpSessions;</a>
<span class="sourceLineNo">069</span><a id="line.69"> }</a>
<span class="sourceLineNo">070</span><a id="line.70"></a>
<span class="sourceLineNo">071</span><a id="line.71"> public String getRemoteUser() {</a>
<span class="sourceLineNo">072</span><a id="line.72"> String remoteUser;</a>
<span class="sourceLineNo">073</span><a id="line.73"> Object scPrincipal = getSubjectPrincipal();</a>
<span class="sourceLineNo">074</span><a id="line.74"> if (scPrincipal != null) {</a>
<span class="sourceLineNo">075</span><a id="line.75"> if (scPrincipal instanceof String) {</a>
<span class="sourceLineNo">076</span><a id="line.76"> return (String) scPrincipal;</a>
<span class="sourceLineNo">077</span><a id="line.77"> } else if (scPrincipal instanceof Principal) {</a>
<span class="sourceLineNo">078</span><a id="line.78"> remoteUser = ((Principal) scPrincipal).getName();</a>
<span class="sourceLineNo">079</span><a id="line.79"> } else {</a>
<span class="sourceLineNo">080</span><a id="line.80"> remoteUser = scPrincipal.toString();</a>
<span class="sourceLineNo">081</span><a id="line.81"> }</a>
<span class="sourceLineNo">082</span><a id="line.82"> } else {</a>
<span class="sourceLineNo">083</span><a id="line.83"> remoteUser = super.getRemoteUser();</a>
<span class="sourceLineNo">084</span><a id="line.84"> }</a>
<span class="sourceLineNo">085</span><a id="line.85"> return remoteUser;</a>
<span class="sourceLineNo">086</span><a id="line.86"> }</a>
<span class="sourceLineNo">087</span><a id="line.87"></a>
<span class="sourceLineNo">088</span><a id="line.88"> protected Subject getSubject() {</a>
<span class="sourceLineNo">089</span><a id="line.89"> return SecurityUtils.getSubject();</a>
<span class="sourceLineNo">090</span><a id="line.90"> }</a>
<span class="sourceLineNo">091</span><a id="line.91"></a>
<span class="sourceLineNo">092</span><a id="line.92"> protected Object getSubjectPrincipal() {</a>
<span class="sourceLineNo">093</span><a id="line.93"> Object userPrincipal = null;</a>
<span class="sourceLineNo">094</span><a id="line.94"> Subject subject = getSubject();</a>
<span class="sourceLineNo">095</span><a id="line.95"> if (subject != null) {</a>
<span class="sourceLineNo">096</span><a id="line.96"> userPrincipal = subject.getPrincipal();</a>
<span class="sourceLineNo">097</span><a id="line.97"> }</a>
<span class="sourceLineNo">098</span><a id="line.98"> return userPrincipal;</a>
<span class="sourceLineNo">099</span><a id="line.99"> }</a>
<span class="sourceLineNo">100</span><a id="line.100"></a>
<span class="sourceLineNo">101</span><a id="line.101"> public boolean isUserInRole(String s) {</a>
<span class="sourceLineNo">102</span><a id="line.102"> Subject subject = getSubject();</a>
<span class="sourceLineNo">103</span><a id="line.103"> boolean inRole = (subject != null &amp;&amp; subject.hasRole(s));</a>
<span class="sourceLineNo">104</span><a id="line.104"> if (!inRole) {</a>
<span class="sourceLineNo">105</span><a id="line.105"> inRole = super.isUserInRole(s);</a>
<span class="sourceLineNo">106</span><a id="line.106"> }</a>
<span class="sourceLineNo">107</span><a id="line.107"> return inRole;</a>
<span class="sourceLineNo">108</span><a id="line.108"> }</a>
<span class="sourceLineNo">109</span><a id="line.109"></a>
<span class="sourceLineNo">110</span><a id="line.110"> public Principal getUserPrincipal() {</a>
<span class="sourceLineNo">111</span><a id="line.111"> Principal userPrincipal;</a>
<span class="sourceLineNo">112</span><a id="line.112"> Object scPrincipal = getSubjectPrincipal();</a>
<span class="sourceLineNo">113</span><a id="line.113"> if (scPrincipal != null) {</a>
<span class="sourceLineNo">114</span><a id="line.114"> if (scPrincipal instanceof Principal) {</a>
<span class="sourceLineNo">115</span><a id="line.115"> userPrincipal = (Principal) scPrincipal;</a>
<span class="sourceLineNo">116</span><a id="line.116"> } else {</a>
<span class="sourceLineNo">117</span><a id="line.117"> userPrincipal = new ObjectPrincipal(scPrincipal);</a>
<span class="sourceLineNo">118</span><a id="line.118"> }</a>
<span class="sourceLineNo">119</span><a id="line.119"> } else {</a>
<span class="sourceLineNo">120</span><a id="line.120"> userPrincipal = super.getUserPrincipal();</a>
<span class="sourceLineNo">121</span><a id="line.121"> }</a>
<span class="sourceLineNo">122</span><a id="line.122"> return userPrincipal;</a>
<span class="sourceLineNo">123</span><a id="line.123"> }</a>
<span class="sourceLineNo">124</span><a id="line.124"></a>
<span class="sourceLineNo">125</span><a id="line.125"> public String getRequestedSessionId() {</a>
<span class="sourceLineNo">126</span><a id="line.126"> String requestedSessionId = null;</a>
<span class="sourceLineNo">127</span><a id="line.127"> if (isHttpSessions()) {</a>
<span class="sourceLineNo">128</span><a id="line.128"> requestedSessionId = super.getRequestedSessionId();</a>
<span class="sourceLineNo">129</span><a id="line.129"> } else {</a>
<span class="sourceLineNo">130</span><a id="line.130"> Object sessionId = getAttribute(REFERENCED_SESSION_ID);</a>
<span class="sourceLineNo">131</span><a id="line.131"> if (sessionId != null) {</a>
<span class="sourceLineNo">132</span><a id="line.132"> requestedSessionId = sessionId.toString();</a>
<span class="sourceLineNo">133</span><a id="line.133"> }</a>
<span class="sourceLineNo">134</span><a id="line.134"> }</a>
<span class="sourceLineNo">135</span><a id="line.135"></a>
<span class="sourceLineNo">136</span><a id="line.136"> return requestedSessionId;</a>
<span class="sourceLineNo">137</span><a id="line.137"> }</a>
<span class="sourceLineNo">138</span><a id="line.138"></a>
<span class="sourceLineNo">139</span><a id="line.139"> public HttpSession getSession(boolean create) {</a>
<span class="sourceLineNo">140</span><a id="line.140"></a>
<span class="sourceLineNo">141</span><a id="line.141"> HttpSession httpSession;</a>
<span class="sourceLineNo">142</span><a id="line.142"></a>
<span class="sourceLineNo">143</span><a id="line.143"> if (isHttpSessions()) {</a>
<span class="sourceLineNo">144</span><a id="line.144"> httpSession = super.getSession(false);</a>
<span class="sourceLineNo">145</span><a id="line.145"> if (httpSession == null &amp;&amp; create) {</a>
<span class="sourceLineNo">146</span><a id="line.146"> //Shiro 1.2: assert that creation is enabled (SHIRO-266):</a>
<span class="sourceLineNo">147</span><a id="line.147"> if (WebUtils._isSessionCreationEnabled(this)) {</a>
<span class="sourceLineNo">148</span><a id="line.148"> httpSession = super.getSession(create);</a>
<span class="sourceLineNo">149</span><a id="line.149"> } else {</a>
<span class="sourceLineNo">150</span><a id="line.150"> throw newNoSessionCreationException();</a>
<span class="sourceLineNo">151</span><a id="line.151"> }</a>
<span class="sourceLineNo">152</span><a id="line.152"> }</a>
<span class="sourceLineNo">153</span><a id="line.153"> } else {</a>
<span class="sourceLineNo">154</span><a id="line.154"> boolean existing = getSubject().getSession(false) != null;</a>
<span class="sourceLineNo">155</span><a id="line.155"> </a>
<span class="sourceLineNo">156</span><a id="line.156"> if (this.session == null || !existing) {</a>
<span class="sourceLineNo">157</span><a id="line.157"> Session shiroSession = getSubject().getSession(create);</a>
<span class="sourceLineNo">158</span><a id="line.158"> if (shiroSession != null) {</a>
<span class="sourceLineNo">159</span><a id="line.159"> this.session = new ShiroHttpSession(shiroSession, this, this.servletContext);</a>
<span class="sourceLineNo">160</span><a id="line.160"> if (!existing) {</a>
<span class="sourceLineNo">161</span><a id="line.161"> setAttribute(REFERENCED_SESSION_IS_NEW, Boolean.TRUE);</a>
<span class="sourceLineNo">162</span><a id="line.162"> }</a>
<span class="sourceLineNo">163</span><a id="line.163"> } else if (this.session != null) {</a>
<span class="sourceLineNo">164</span><a id="line.164"> this.session = null;</a>
<span class="sourceLineNo">165</span><a id="line.165"> }</a>
<span class="sourceLineNo">166</span><a id="line.166"> }</a>
<span class="sourceLineNo">167</span><a id="line.167"> httpSession = this.session;</a>
<span class="sourceLineNo">168</span><a id="line.168"> }</a>
<span class="sourceLineNo">169</span><a id="line.169"></a>
<span class="sourceLineNo">170</span><a id="line.170"> return httpSession;</a>
<span class="sourceLineNo">171</span><a id="line.171"> }</a>
<span class="sourceLineNo">172</span><a id="line.172"></a>
<span class="sourceLineNo">173</span><a id="line.173"> /**</a>
<span class="sourceLineNo">174</span><a id="line.174"> * Constructs and returns a {@link DisabledSessionException} with an appropriate message explaining why</a>
<span class="sourceLineNo">175</span><a id="line.175"> * session creation has been disabled.</a>
<span class="sourceLineNo">176</span><a id="line.176"> *</a>
<span class="sourceLineNo">177</span><a id="line.177"> * @return a new DisabledSessionException with appropriate no creation message</a>
<span class="sourceLineNo">178</span><a id="line.178"> * @since 1.2</a>
<span class="sourceLineNo">179</span><a id="line.179"> */</a>
<span class="sourceLineNo">180</span><a id="line.180"> private DisabledSessionException newNoSessionCreationException() {</a>
<span class="sourceLineNo">181</span><a id="line.181"> String msg = "Session creation has been disabled for the current request. This exception indicates " +</a>
<span class="sourceLineNo">182</span><a id="line.182"> "that there is either a programming error (using a session when it should never be " +</a>
<span class="sourceLineNo">183</span><a id="line.183"> "used) or that Shiro's configuration needs to be adjusted to allow Sessions to be created " +</a>
<span class="sourceLineNo">184</span><a id="line.184"> "for the current request. See the " + DisabledSessionException.class.getName() + " JavaDoc " +</a>
<span class="sourceLineNo">185</span><a id="line.185"> "for more.";</a>
<span class="sourceLineNo">186</span><a id="line.186"> return new DisabledSessionException(msg);</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"> public HttpSession getSession() {</a>
<span class="sourceLineNo">190</span><a id="line.190"> return getSession(true);</a>
<span class="sourceLineNo">191</span><a id="line.191"> }</a>
<span class="sourceLineNo">192</span><a id="line.192"></a>
<span class="sourceLineNo">193</span><a id="line.193"> public boolean isRequestedSessionIdValid() {</a>
<span class="sourceLineNo">194</span><a id="line.194"> if (isHttpSessions()) {</a>
<span class="sourceLineNo">195</span><a id="line.195"> return super.isRequestedSessionIdValid();</a>
<span class="sourceLineNo">196</span><a id="line.196"> } else {</a>
<span class="sourceLineNo">197</span><a id="line.197"> Boolean value = (Boolean) getAttribute(REFERENCED_SESSION_ID_IS_VALID);</a>
<span class="sourceLineNo">198</span><a id="line.198"> return (value != null &amp;&amp; value.equals(Boolean.TRUE));</a>
<span class="sourceLineNo">199</span><a id="line.199"> }</a>
<span class="sourceLineNo">200</span><a id="line.200"> }</a>
<span class="sourceLineNo">201</span><a id="line.201"></a>
<span class="sourceLineNo">202</span><a id="line.202"> public boolean isRequestedSessionIdFromCookie() {</a>
<span class="sourceLineNo">203</span><a id="line.203"> if (isHttpSessions()) {</a>
<span class="sourceLineNo">204</span><a id="line.204"> return super.isRequestedSessionIdFromCookie();</a>
<span class="sourceLineNo">205</span><a id="line.205"> } else {</a>
<span class="sourceLineNo">206</span><a id="line.206"> String value = (String) getAttribute(REFERENCED_SESSION_ID_SOURCE);</a>
<span class="sourceLineNo">207</span><a id="line.207"> return value != null &amp;&amp; value.equals(COOKIE_SESSION_ID_SOURCE);</a>
<span class="sourceLineNo">208</span><a id="line.208"> }</a>
<span class="sourceLineNo">209</span><a id="line.209"> }</a>
<span class="sourceLineNo">210</span><a id="line.210"></a>
<span class="sourceLineNo">211</span><a id="line.211"> public boolean isRequestedSessionIdFromURL() {</a>
<span class="sourceLineNo">212</span><a id="line.212"> if (isHttpSessions()) {</a>
<span class="sourceLineNo">213</span><a id="line.213"> return super.isRequestedSessionIdFromURL();</a>
<span class="sourceLineNo">214</span><a id="line.214"> } else {</a>
<span class="sourceLineNo">215</span><a id="line.215"> String value = (String) getAttribute(REFERENCED_SESSION_ID_SOURCE);</a>
<span class="sourceLineNo">216</span><a id="line.216"> return value != null &amp;&amp; value.equals(URL_SESSION_ID_SOURCE);</a>
<span class="sourceLineNo">217</span><a id="line.217"> }</a>
<span class="sourceLineNo">218</span><a id="line.218"> }</a>
<span class="sourceLineNo">219</span><a id="line.219"></a>
<span class="sourceLineNo">220</span><a id="line.220"> public boolean isRequestedSessionIdFromUrl() {</a>
<span class="sourceLineNo">221</span><a id="line.221"> return isRequestedSessionIdFromURL();</a>
<span class="sourceLineNo">222</span><a id="line.222"> }</a>
<span class="sourceLineNo">223</span><a id="line.223"></a>
<span class="sourceLineNo">224</span><a id="line.224"> private class ObjectPrincipal implements java.security.Principal {</a>
<span class="sourceLineNo">225</span><a id="line.225"> private Object object = null;</a>
<span class="sourceLineNo">226</span><a id="line.226"></a>
<span class="sourceLineNo">227</span><a id="line.227"> public ObjectPrincipal(Object object) {</a>
<span class="sourceLineNo">228</span><a id="line.228"> this.object = object;</a>
<span class="sourceLineNo">229</span><a id="line.229"> }</a>
<span class="sourceLineNo">230</span><a id="line.230"></a>
<span class="sourceLineNo">231</span><a id="line.231"> public Object getObject() {</a>
<span class="sourceLineNo">232</span><a id="line.232"> return object;</a>
<span class="sourceLineNo">233</span><a id="line.233"> }</a>
<span class="sourceLineNo">234</span><a id="line.234"></a>
<span class="sourceLineNo">235</span><a id="line.235"> public String getName() {</a>
<span class="sourceLineNo">236</span><a id="line.236"> return getObject().toString();</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"> public int hashCode() {</a>
<span class="sourceLineNo">240</span><a id="line.240"> return object.hashCode();</a>
<span class="sourceLineNo">241</span><a id="line.241"> }</a>
<span class="sourceLineNo">242</span><a id="line.242"></a>
<span class="sourceLineNo">243</span><a id="line.243"> public boolean equals(Object o) {</a>
<span class="sourceLineNo">244</span><a id="line.244"> if (o instanceof ObjectPrincipal) {</a>
<span class="sourceLineNo">245</span><a id="line.245"> ObjectPrincipal op = (ObjectPrincipal) o;</a>
<span class="sourceLineNo">246</span><a id="line.246"> return getObject().equals(op.getObject());</a>
<span class="sourceLineNo">247</span><a id="line.247"> }</a>
<span class="sourceLineNo">248</span><a id="line.248"> return false;</a>
<span class="sourceLineNo">249</span><a id="line.249"> }</a>
<span class="sourceLineNo">250</span><a id="line.250"></a>
<span class="sourceLineNo">251</span><a id="line.251"> public String toString() {</a>
<span class="sourceLineNo">252</span><a id="line.252"> return object.toString();</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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