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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.authc.pam;<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.*;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.realm.Realm;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collection;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>/**<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * Abstract base implementation for Shiro's concrete <code>AuthenticationStrategy</code><a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * implementations.<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> *<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * @since 0.9<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> */<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>public abstract class AbstractAuthenticationStrategy implements AuthenticationStrategy {<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> /**<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * Simply returns <code>new {@link org.apache.shiro.authc.SimpleAuthenticationInfo SimpleAuthenticationInfo}();</code>, which supports<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * aggregating account data across realms.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> public AuthenticationInfo beforeAllAttempts(Collection<? extends Realm> realms, AuthenticationToken token) throws AuthenticationException {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> return new SimpleAuthenticationInfo();<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> }<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> /**<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * Simply returns the <code>aggregate</code> method argument, without modification.<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public AuthenticationInfo beforeAttempt(Realm realm, AuthenticationToken token, AuthenticationInfo aggregate) throws AuthenticationException {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> return aggregate;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> }<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Base implementation that will aggregate the specified <code>singleRealmInfo</code> into the<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * <code>aggregateInfo</code> and then returns the aggregate. Can be overridden by subclasses for custom behavior.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> */<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> public AuthenticationInfo afterAttempt(Realm realm, AuthenticationToken token, AuthenticationInfo singleRealmInfo, AuthenticationInfo aggregateInfo, Throwable t) throws AuthenticationException {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> AuthenticationInfo info;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> if (singleRealmInfo == null) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> info = aggregateInfo;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> } else {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> if (aggregateInfo == null) {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> info = singleRealmInfo;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> } else {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> info = merge(singleRealmInfo, aggregateInfo);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> return info;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * Merges the specified <code>info</code> argument into the <code>aggregate</code> argument and then returns an<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * aggregate for continued use throughout the login process.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * <p/><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * This implementation merely checks to see if the specified <code>aggregate</code> argument is an instance of<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * {@link org.apache.shiro.authc.MergableAuthenticationInfo MergableAuthenticationInfo}, and if so, calls<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * <code>aggregate.merge(info)</code> If it is <em>not</em> an instance of<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * <code>MergableAuthenticationInfo</code>, an {@link IllegalArgumentException IllegalArgumentException} is thrown.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * Can be overridden by subclasses for custom merging behavior if implementing the<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * {@link org.apache.shiro.authc.MergableAuthenticationInfo MergableAuthenticationInfo} is not desired for some reason.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> protected AuthenticationInfo merge(AuthenticationInfo info, AuthenticationInfo aggregate) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> if( aggregate instanceof MergableAuthenticationInfo ) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> ((MergableAuthenticationInfo)aggregate).merge(info);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return aggregate;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> } else {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> throw new IllegalArgumentException( "Attempt to merge authentication info from multiple realms, but aggregate " +<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> "AuthenticationInfo is not of type MergableAuthenticationInfo." );<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /**<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * Simply returns the <code>aggregate</code> argument without modification. Can be overridden for custom behavior.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> */<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public AuthenticationInfo afterAllAttempts(AuthenticationToken token, AuthenticationInfo aggregate) throws AuthenticationException {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> return aggregate;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span>}<a name="line.96"></a> |
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