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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.shiro.subject.support;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.shiro.authc.AuthenticationException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.authc.AuthenticationToken;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.shiro.authc.HostAuthenticationToken;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.shiro.authz.AuthorizationException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.shiro.authz.Permission;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.shiro.authz.UnauthenticatedException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.shiro.mgt.SecurityManager;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.shiro.session.InvalidSessionException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.shiro.session.ProxiedSession;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.shiro.session.Session;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.shiro.session.SessionException;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.shiro.session.mgt.DefaultSessionContext;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.shiro.session.mgt.SessionContext;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.shiro.subject.ExecutionException;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.shiro.subject.PrincipalCollection;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.shiro.subject.Subject;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.shiro.util.CollectionUtils;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.shiro.util.StringUtils;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import java.util.Collection;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import java.util.List;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import java.util.concurrent.Callable;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span>/**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * Implementation of the {@code Subject} interface that delegates<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * method calls to an underlying {@link org.apache.shiro.mgt.SecurityManager SecurityManager} instance for security checks.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * It is essentially a {@code SecurityManager} proxy.<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <p/><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * This implementation does not maintain state such as roles and permissions (only {@code Subject}<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * {@link #getPrincipals() principals}, such as usernames or user primary keys) for better performance in a stateless<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * architecture. It instead asks the underlying {@code SecurityManager} every time to perform<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * the authorization check.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * <p/><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * A common misconception in using this implementation is that an EIS resource (RDBMS, etc) would<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * be &quot;hit&quot; every time a method is called. This is not necessarily the case and is<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * up to the implementation of the underlying {@code SecurityManager} instance. If caching of authorization<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * data is desired (to eliminate EIS round trips and therefore improve database performance), it is considered<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * much more elegant to let the underlying {@code SecurityManager} implementation or its delegate components<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * manage caching, not this class. A {@code SecurityManager} is considered a business-tier component,<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * where caching strategies are better managed.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * <p/><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Applications from large and clustered to simple and JVM-local all benefit from<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * stateless architectures. This implementation plays a part in the stateless programming<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * paradigm and should be used whenever possible.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> *<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @since 0.1<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>public class DelegatingSubject implements Subject {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static final Logger log = LoggerFactory.getLogger(DelegatingSubject.class);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static final String RUN_AS_PRINCIPALS_SESSION_KEY =<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> DelegatingSubject.class.getName() + ".RUN_AS_PRINCIPALS_SESSION_KEY";<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> protected PrincipalCollection principals;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> protected boolean authenticated;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> protected String host;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> protected Session session;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * @since 1.2<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> */<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> protected boolean sessionCreationEnabled;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> protected transient SecurityManager securityManager;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public DelegatingSubject(SecurityManager securityManager) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> this(null, false, null, null, securityManager);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public DelegatingSubject(PrincipalCollection principals, boolean authenticated, String host,<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> Session session, SecurityManager securityManager) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this(principals, authenticated, host, session, true, securityManager);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> //since 1.2<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public DelegatingSubject(PrincipalCollection principals, boolean authenticated, String host,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> Session session, boolean sessionCreationEnabled, SecurityManager securityManager) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> if (securityManager == null) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> throw new IllegalArgumentException("SecurityManager argument cannot be null.");<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> this.securityManager = securityManager;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.principals = principals;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> this.authenticated = authenticated;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> this.host = host;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (session != null) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this.session = decorate(session);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this.sessionCreationEnabled = sessionCreationEnabled;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> protected Session decorate(Session session) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> if (session == null) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> throw new IllegalArgumentException("session cannot be null");<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> return new StoppingAwareProxiedSession(session, this);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> public SecurityManager getSecurityManager() {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return securityManager;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> private static boolean isEmpty(PrincipalCollection pc) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return pc == null || pc.isEmpty();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> protected boolean hasPrincipals() {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return !isEmpty(getPrincipals());<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> /**<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * Returns the host name or IP associated with the client who created/is interacting with this Subject.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> *<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @return the host name or IP associated with the client who created/is interacting with this Subject.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> */<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> public String getHost() {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> return this.host;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> private Object getPrimaryPrincipal(PrincipalCollection principals) {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (!isEmpty(principals)) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> return principals.getPrimaryPrincipal();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return null;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> /**<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * @see Subject#getPrincipal()<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> */<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> public Object getPrincipal() {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> return getPrimaryPrincipal(getPrincipals());<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> public PrincipalCollection getPrincipals() {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> List<PrincipalCollection> runAsPrincipals = getRunAsPrincipalsStack();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return CollectionUtils.isEmpty(runAsPrincipals) ? this.principals : runAsPrincipals.get(0);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> public boolean isPermitted(String permission) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return hasPrincipals() && securityManager.isPermitted(getPrincipals(), permission);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> public boolean isPermitted(Permission permission) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> return hasPrincipals() && securityManager.isPermitted(getPrincipals(), permission);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> public boolean[] isPermitted(String... permissions) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> if (hasPrincipals()) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> return securityManager.isPermitted(getPrincipals(), permissions);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> } else {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return new boolean[permissions.length];<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> public boolean[] isPermitted(List<Permission> permissions) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> if (hasPrincipals()) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> return securityManager.isPermitted(getPrincipals(), permissions);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> } else {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return new boolean[permissions.size()];<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> public boolean isPermittedAll(String... permissions) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> return hasPrincipals() && securityManager.isPermittedAll(getPrincipals(), permissions);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span><a name="line.188"></a> |
| <span class="sourceLineNo">189</span> public boolean isPermittedAll(Collection<Permission> permissions) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> return hasPrincipals() && securityManager.isPermittedAll(getPrincipals(), permissions);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> protected void assertAuthzCheckPossible() throws AuthorizationException {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> if (!hasPrincipals()) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> String msg = "This subject is anonymous - it does not have any identifying principals and " +<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> "authorization operations require an identity to check against. A Subject instance will " +<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> "acquire these identifying principals automatically after a successful login is performed " +<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> "be executing " + Subject.class.getName() + ".login(AuthenticationToken) or when 'Remember Me' " +<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> "functionality is enabled by the SecurityManager. This exception can also occur when a " +<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> "previously logged-in Subject has logged out which " +<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> "makes it anonymous again. Because an identity is currently not known due to any of these " +<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> "conditions, authorization is denied.";<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> throw new UnauthenticatedException(msg);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> public void checkPermission(String permission) throws AuthorizationException {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> assertAuthzCheckPossible();<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> securityManager.checkPermission(getPrincipals(), permission);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> public void checkPermission(Permission permission) throws AuthorizationException {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> assertAuthzCheckPossible();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> securityManager.checkPermission(getPrincipals(), permission);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> public void checkPermissions(String... permissions) throws AuthorizationException {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> assertAuthzCheckPossible();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> securityManager.checkPermissions(getPrincipals(), permissions);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public void checkPermissions(Collection<Permission> permissions) throws AuthorizationException {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> assertAuthzCheckPossible();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> securityManager.checkPermissions(getPrincipals(), permissions);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> public boolean hasRole(String roleIdentifier) {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> return hasPrincipals() && securityManager.hasRole(getPrincipals(), roleIdentifier);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> public boolean[] hasRoles(List<String> roleIdentifiers) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (hasPrincipals()) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return securityManager.hasRoles(getPrincipals(), roleIdentifiers);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> } else {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return new boolean[roleIdentifiers.size()];<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public boolean hasAllRoles(Collection<String> roleIdentifiers) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> return hasPrincipals() && securityManager.hasAllRoles(getPrincipals(), roleIdentifiers);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> public void checkRole(String role) throws AuthorizationException {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> assertAuthzCheckPossible();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> securityManager.checkRole(getPrincipals(), role);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> }<a name="line.246"></a> |
| <span class="sourceLineNo">247</span><a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public void checkRoles(String... roleIdentifiers) throws AuthorizationException {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> assertAuthzCheckPossible();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> securityManager.checkRoles(getPrincipals(), roleIdentifiers);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> public void checkRoles(Collection<String> roles) throws AuthorizationException {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> assertAuthzCheckPossible();<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> securityManager.checkRoles(getPrincipals(), roles);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public void login(AuthenticationToken token) throws AuthenticationException {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> clearRunAsIdentitiesInternal();<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> Subject subject = securityManager.login(this, token);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> PrincipalCollection principals;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> String host = null;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> if (subject instanceof DelegatingSubject) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> DelegatingSubject delegating = (DelegatingSubject) subject;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> //we have to do this in case there are assumed identities - we don't want to lose the 'real' principals:<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> principals = delegating.principals;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> host = delegating.host;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> } else {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> principals = subject.getPrincipals();<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> if (principals == null || principals.isEmpty()) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> String msg = "Principals returned from securityManager.login( token ) returned a null or " +<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> "empty value. This value must be non null and populated with one or more elements.";<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> throw new IllegalStateException(msg);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> this.principals = principals;<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> this.authenticated = true;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (token instanceof HostAuthenticationToken) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> host = ((HostAuthenticationToken) token).getHost();<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if (host != null) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> this.host = host;<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> Session session = subject.getSession(false);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> if (session != null) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> this.session = decorate(session);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> } else {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> this.session = null;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public boolean isAuthenticated() {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> return authenticated;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> public boolean isRemembered() {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> PrincipalCollection principals = getPrincipals();<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> return principals != null && !principals.isEmpty() && !isAuthenticated();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> /**<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> * Returns {@code true} if this Subject is allowed to create sessions, {@code false} otherwise.<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> *<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * @return {@code true} if this Subject is allowed to create sessions, {@code false} otherwise.<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * @since 1.2<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> */<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> protected boolean isSessionCreationEnabled() {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> return this.sessionCreationEnabled;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> public Session getSession() {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> return getSession(true);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> public Session getSession(boolean create) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> if (log.isTraceEnabled()) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> log.trace("attempting to get session; create = " + create +<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> "; session is null = " + (this.session == null) +<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> "; session has id = " + (this.session != null && session.getId() != null));<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> if (this.session == null && create) {<a name="line.326"></a> |
| <span class="sourceLineNo">327</span><a name="line.327"></a> |
| <span class="sourceLineNo">328</span> //added in 1.2:<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> if (!isSessionCreationEnabled()) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> String msg = "Session creation has been disabled for the current subject. This exception indicates " +<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> "that there is either a programming error (using a session when it should never be " +<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> "used) or that Shiro's configuration needs to be adjusted to allow Sessions to be created " +<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> "for the current Subject. See the " + DisabledSessionException.class.getName() + " JavaDoc " +<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> "for more.";<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> throw new DisabledSessionException(msg);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> log.trace("Starting session for host {}", getHost());<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> SessionContext sessionContext = createSessionContext();<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> Session session = this.securityManager.start(sessionContext);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> this.session = decorate(session);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> return this.session;<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> protected SessionContext createSessionContext() {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> SessionContext sessionContext = new DefaultSessionContext();<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> if (StringUtils.hasText(host)) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> sessionContext.setHost(host);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> return sessionContext;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span><a name="line.353"></a> |
| <span class="sourceLineNo">354</span> private void clearRunAsIdentitiesInternal() {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> //try/catch added for SHIRO-298<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> try {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> clearRunAsIdentities();<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> } catch (SessionException se) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> log.debug("Encountered session exception trying to clear 'runAs' identities during logout. This " +<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> "can generally safely be ignored.", se);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> }<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span><a name="line.363"></a> |
| <span class="sourceLineNo">364</span> public void logout() {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> try {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> clearRunAsIdentitiesInternal();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> this.securityManager.logout(this);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> } finally {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> this.session = null;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> this.principals = null;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> this.authenticated = false;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> //Don't set securityManager to null here - the Subject can still be<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> //used, it is just considered anonymous at this point. The SecurityManager instance is<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> //necessary if the subject would log in again or acquire a new session. This is in response to<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> //https://issues.apache.org/jira/browse/JSEC-22<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> //this.securityManager = null;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span><a name="line.379"></a> |
| <span class="sourceLineNo">380</span> private void sessionStopped() {<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> this.session = null;<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span><a name="line.383"></a> |
| <span class="sourceLineNo">384</span> public <V> V execute(Callable<V> callable) throws ExecutionException {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> Callable<V> associated = associateWith(callable);<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> try {<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> return associated.call();<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> } catch (Throwable t) {<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> throw new ExecutionException(t);<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> }<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> }<a name="line.391"></a> |
| <span class="sourceLineNo">392</span><a name="line.392"></a> |
| <span class="sourceLineNo">393</span> public void execute(Runnable runnable) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> Runnable associated = associateWith(runnable);<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> associated.run();<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> public <V> Callable<V> associateWith(Callable<V> callable) {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> return new SubjectCallable<V>(this, callable);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> }<a name="line.400"></a> |
| <span class="sourceLineNo">401</span><a name="line.401"></a> |
| <span class="sourceLineNo">402</span> public Runnable associateWith(Runnable runnable) {<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> if (runnable instanceof Thread) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> String msg = "This implementation does not support Thread arguments because of JDK ThreadLocal " +<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> "inheritance mechanisms required by Shiro. Instead, the method argument should be a non-Thread " +<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> "Runnable and the return value from this method can then be given to an ExecutorService or " +<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> "another Thread.";<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> throw new UnsupportedOperationException(msg);<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> }<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return new SubjectRunnable(this, runnable);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> private class StoppingAwareProxiedSession extends ProxiedSession {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span><a name="line.414"></a> |
| <span class="sourceLineNo">415</span> private final DelegatingSubject owner;<a name="line.415"></a> |
| <span class="sourceLineNo">416</span><a name="line.416"></a> |
| <span class="sourceLineNo">417</span> private StoppingAwareProxiedSession(Session target, DelegatingSubject owningSubject) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> super(target);<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> owner = owningSubject;<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> public void stop() throws InvalidSessionException {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> super.stop();<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> owner.sessionStopped();<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> }<a name="line.426"></a> |
| <span class="sourceLineNo">427</span><a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> // ======================================<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> // 'Run As' support implementations<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> // ======================================<a name="line.431"></a> |
| <span class="sourceLineNo">432</span><a name="line.432"></a> |
| <span class="sourceLineNo">433</span> public void runAs(PrincipalCollection principals) {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> if (!hasPrincipals()) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> String msg = "This subject does not yet have an identity. Assuming the identity of another " +<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> "Subject is only allowed for Subjects with an existing identity. Try logging this subject in " +<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> "first, or using the " + Subject.Builder.class.getName() + " to build ad hoc Subject instances " +<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> "with identities as necessary.";<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> throw new IllegalStateException(msg);<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> }<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> pushIdentity(principals);<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span><a name="line.443"></a> |
| <span class="sourceLineNo">444</span> public boolean isRunAs() {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> List<PrincipalCollection> stack = getRunAsPrincipalsStack();<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> return !CollectionUtils.isEmpty(stack);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> }<a name="line.447"></a> |
| <span class="sourceLineNo">448</span><a name="line.448"></a> |
| <span class="sourceLineNo">449</span> public PrincipalCollection getPreviousPrincipals() {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> PrincipalCollection previousPrincipals = null;<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> List<PrincipalCollection> stack = getRunAsPrincipalsStack();<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> int stackSize = stack != null ? stack.size() : 0;<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> if (stackSize > 0) {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> if (stackSize == 1) {<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> previousPrincipals = this.principals;<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> } else {<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> //always get the one behind the current:<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> assert stack != null;<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> previousPrincipals = stack.get(1);<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> }<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> return previousPrincipals;<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> public PrincipalCollection releaseRunAs() {<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> return popIdentity();<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span><a name="line.468"></a> |
| <span class="sourceLineNo">469</span> @SuppressWarnings("unchecked")<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> private List<PrincipalCollection> getRunAsPrincipalsStack() {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> Session session = getSession(false);<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> if (session != null) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> return (List<PrincipalCollection>) session.getAttribute(RUN_AS_PRINCIPALS_SESSION_KEY);<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> return null;<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> }<a name="line.476"></a> |
| <span class="sourceLineNo">477</span><a name="line.477"></a> |
| <span class="sourceLineNo">478</span> private void clearRunAsIdentities() {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> Session session = getSession(false);<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> if (session != null) {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> session.removeAttribute(RUN_AS_PRINCIPALS_SESSION_KEY);<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span><a name="line.484"></a> |
| <span class="sourceLineNo">485</span> private void pushIdentity(PrincipalCollection principals) throws NullPointerException {<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> if (isEmpty(principals)) {<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> String msg = "Specified Subject principals cannot be null or empty for 'run as' functionality.";<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> throw new NullPointerException(msg);<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> }<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> List<PrincipalCollection> stack = getRunAsPrincipalsStack();<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> if (stack == null) {<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> stack = new CopyOnWriteArrayList<PrincipalCollection>();<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> }<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> stack.add(0, principals);<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> Session session = getSession();<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> session.setAttribute(RUN_AS_PRINCIPALS_SESSION_KEY, stack);<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> }<a name="line.497"></a> |
| <span class="sourceLineNo">498</span><a name="line.498"></a> |
| <span class="sourceLineNo">499</span> private PrincipalCollection popIdentity() {<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> PrincipalCollection popped = null;<a name="line.500"></a> |
| <span class="sourceLineNo">501</span><a name="line.501"></a> |
| <span class="sourceLineNo">502</span> List<PrincipalCollection> stack = getRunAsPrincipalsStack();<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> if (!CollectionUtils.isEmpty(stack)) {<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> popped = stack.remove(0);<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> Session session;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> if (!CollectionUtils.isEmpty(stack)) {<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> //persist the changed stack to the session<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> session = getSession();<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> session.setAttribute(RUN_AS_PRINCIPALS_SESSION_KEY, stack);<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> } else {<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> //stack is empty, remove it from the session:<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> clearRunAsIdentities();<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> }<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> }<a name="line.514"></a> |
| <span class="sourceLineNo">515</span><a name="line.515"></a> |
| <span class="sourceLineNo">516</span> return popped;<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> }<a name="line.517"></a> |
| <span class="sourceLineNo">518</span>}<a name="line.518"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
