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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.authz.aop;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">import java.lang.annotation.Annotation;</a> |
| <span class="sourceLineNo">022</span><a id="line.22"></a> |
| <span class="sourceLineNo">023</span><a id="line.23">import org.apache.shiro.authz.AuthorizationException;</a> |
| <span class="sourceLineNo">024</span><a id="line.24">import org.apache.shiro.authz.UnauthenticatedException;</a> |
| <span class="sourceLineNo">025</span><a id="line.25">import org.apache.shiro.authz.annotation.RequiresUser;</a> |
| <span class="sourceLineNo">026</span><a id="line.26"></a> |
| <span class="sourceLineNo">027</span><a id="line.27"></a> |
| <span class="sourceLineNo">028</span><a id="line.28">/**</a> |
| <span class="sourceLineNo">029</span><a id="line.29"> * Checks to see if a @{@link org.apache.shiro.authz.annotation.RequiresUser RequiresUser} annotation</a> |
| <span class="sourceLineNo">030</span><a id="line.30"> * is declared, and if so, ensures the calling <code>Subject</code> is <em>either</em></a> |
| <span class="sourceLineNo">031</span><a id="line.31"> * {@link org.apache.shiro.subject.Subject#isAuthenticated() authenticated} <b><em>or</em></b> remembered via remember</a> |
| <span class="sourceLineNo">032</span><a id="line.32"> * me services before allowing access.</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * <p></a> |
| <span class="sourceLineNo">034</span><a id="line.34"> * This annotation essentially ensures that <code>subject.{@link org.apache.shiro.subject.Subject#getPrincipal() getPrincipal()} != null</code>.</a> |
| <span class="sourceLineNo">035</span><a id="line.35"> *</a> |
| <span class="sourceLineNo">036</span><a id="line.36"> * @since 0.9.0</a> |
| <span class="sourceLineNo">037</span><a id="line.37"> */</a> |
| <span class="sourceLineNo">038</span><a id="line.38">public class UserAnnotationHandler extends AuthorizingAnnotationHandler {</a> |
| <span class="sourceLineNo">039</span><a id="line.39"></a> |
| <span class="sourceLineNo">040</span><a id="line.40"> /**</a> |
| <span class="sourceLineNo">041</span><a id="line.41"> * Default no-argument constructor that ensures this handler looks for</a> |
| <span class="sourceLineNo">042</span><a id="line.42"> *</a> |
| <span class="sourceLineNo">043</span><a id="line.43"> * {@link org.apache.shiro.authz.annotation.RequiresUser RequiresUser} annotations.</a> |
| <span class="sourceLineNo">044</span><a id="line.44"> */</a> |
| <span class="sourceLineNo">045</span><a id="line.45"> public UserAnnotationHandler() {</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> super(RequiresUser.class);</a> |
| <span class="sourceLineNo">047</span><a id="line.47"> }</a> |
| <span class="sourceLineNo">048</span><a id="line.48"></a> |
| <span class="sourceLineNo">049</span><a id="line.49"> /**</a> |
| <span class="sourceLineNo">050</span><a id="line.50"> * Ensures that the calling <code>Subject</code> is a <em>user</em>, that is, they are <em>either</code></a> |
| <span class="sourceLineNo">051</span><a id="line.51"> * {@link org.apache.shiro.subject.Subject#isAuthenticated() authenticated} <b><em>or</em></b> remembered via remember</a> |
| <span class="sourceLineNo">052</span><a id="line.52"> * me services before allowing access, and if not, throws an</a> |
| <span class="sourceLineNo">053</span><a id="line.53"> * <code>AuthorizingException</code> indicating access is not allowed.</a> |
| <span class="sourceLineNo">054</span><a id="line.54"> *</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> * @param a the RequiresUser annotation to check</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> * @throws org.apache.shiro.authz.AuthorizationException</a> |
| <span class="sourceLineNo">057</span><a id="line.57"> * if the calling <code>Subject</code> is not authenticated or remembered via rememberMe services.</a> |
| <span class="sourceLineNo">058</span><a id="line.58"> */</a> |
| <span class="sourceLineNo">059</span><a id="line.59"> public void assertAuthorized(Annotation a) throws AuthorizationException {</a> |
| <span class="sourceLineNo">060</span><a id="line.60"> if (a instanceof RequiresUser && getSubject().getPrincipal() == null) {</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> throw new UnauthenticatedException("Attempting to perform a user-only operation. The current Subject is " +</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> "not a user (they haven't been authenticated or remembered from a previous login). " +</a> |
| <span class="sourceLineNo">063</span><a id="line.63"> "Access denied.");</a> |
| <span class="sourceLineNo">064</span><a id="line.64"> }</a> |
| <span class="sourceLineNo">065</span><a id="line.65"> }</a> |
| <span class="sourceLineNo">066</span><a id="line.66">}</a> |
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