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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <FONT color="green">007</FONT> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <FONT color="green">008</FONT> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <FONT color="green">014</FONT> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <FONT color="green">015</FONT> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <FONT color="green">016</FONT> * specific language governing permissions and limitations<a name="line.16"></a> |
| <FONT color="green">017</FONT> * under the License.<a name="line.17"></a> |
| <FONT color="green">018</FONT> */<a name="line.18"></a> |
| <FONT color="green">019</FONT> package org.apache.shiro.authc.pam;<a name="line.19"></a> |
| <FONT color="green">020</FONT> <a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.shiro.authc.*;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import org.apache.shiro.realm.Realm;<a name="line.22"></a> |
| <FONT color="green">023</FONT> <a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.util.Collection;<a name="line.24"></a> |
| <FONT color="green">025</FONT> <a name="line.25"></a> |
| <FONT color="green">026</FONT> <a name="line.26"></a> |
| <FONT color="green">027</FONT> /**<a name="line.27"></a> |
| <FONT color="green">028</FONT> * Abstract base implementation for Shiro's concrete <code>AuthenticationStrategy</code><a name="line.28"></a> |
| <FONT color="green">029</FONT> * implementations.<a name="line.29"></a> |
| <FONT color="green">030</FONT> *<a name="line.30"></a> |
| <FONT color="green">031</FONT> * @since 0.9<a name="line.31"></a> |
| <FONT color="green">032</FONT> */<a name="line.32"></a> |
| <FONT color="green">033</FONT> public abstract class AbstractAuthenticationStrategy implements AuthenticationStrategy {<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> /**<a name="line.35"></a> |
| <FONT color="green">036</FONT> * Simply returns <code>new {@link org.apache.shiro.authc.SimpleAuthenticationInfo SimpleAuthenticationInfo}();</code>, which supports<a name="line.36"></a> |
| <FONT color="green">037</FONT> * aggregating account data across realms.<a name="line.37"></a> |
| <FONT color="green">038</FONT> */<a name="line.38"></a> |
| <FONT color="green">039</FONT> public AuthenticationInfo beforeAllAttempts(Collection<? extends Realm> realms, AuthenticationToken token) throws AuthenticationException {<a name="line.39"></a> |
| <FONT color="green">040</FONT> return new SimpleAuthenticationInfo();<a name="line.40"></a> |
| <FONT color="green">041</FONT> }<a name="line.41"></a> |
| <FONT color="green">042</FONT> <a name="line.42"></a> |
| <FONT color="green">043</FONT> /**<a name="line.43"></a> |
| <FONT color="green">044</FONT> * Simply returns the <code>aggregate</code> method argument, without modification.<a name="line.44"></a> |
| <FONT color="green">045</FONT> */<a name="line.45"></a> |
| <FONT color="green">046</FONT> public AuthenticationInfo beforeAttempt(Realm realm, AuthenticationToken token, AuthenticationInfo aggregate) throws AuthenticationException {<a name="line.46"></a> |
| <FONT color="green">047</FONT> return aggregate;<a name="line.47"></a> |
| <FONT color="green">048</FONT> }<a name="line.48"></a> |
| <FONT color="green">049</FONT> <a name="line.49"></a> |
| <FONT color="green">050</FONT> /**<a name="line.50"></a> |
| <FONT color="green">051</FONT> * Base implementation that will aggregate the specified <code>singleRealmInfo</code> into the<a name="line.51"></a> |
| <FONT color="green">052</FONT> * <code>aggregateInfo</code> and then returns the aggregate. Can be overridden by subclasses for custom behavior.<a name="line.52"></a> |
| <FONT color="green">053</FONT> */<a name="line.53"></a> |
| <FONT color="green">054</FONT> public AuthenticationInfo afterAttempt(Realm realm, AuthenticationToken token, AuthenticationInfo singleRealmInfo, AuthenticationInfo aggregateInfo, Throwable t) throws AuthenticationException {<a name="line.54"></a> |
| <FONT color="green">055</FONT> AuthenticationInfo info;<a name="line.55"></a> |
| <FONT color="green">056</FONT> if (singleRealmInfo == null) {<a name="line.56"></a> |
| <FONT color="green">057</FONT> info = aggregateInfo;<a name="line.57"></a> |
| <FONT color="green">058</FONT> } else {<a name="line.58"></a> |
| <FONT color="green">059</FONT> if (aggregateInfo == null) {<a name="line.59"></a> |
| <FONT color="green">060</FONT> info = singleRealmInfo;<a name="line.60"></a> |
| <FONT color="green">061</FONT> } else {<a name="line.61"></a> |
| <FONT color="green">062</FONT> info = merge(singleRealmInfo, aggregateInfo);<a name="line.62"></a> |
| <FONT color="green">063</FONT> }<a name="line.63"></a> |
| <FONT color="green">064</FONT> }<a name="line.64"></a> |
| <FONT color="green">065</FONT> <a name="line.65"></a> |
| <FONT color="green">066</FONT> return info;<a name="line.66"></a> |
| <FONT color="green">067</FONT> }<a name="line.67"></a> |
| <FONT color="green">068</FONT> <a name="line.68"></a> |
| <FONT color="green">069</FONT> /**<a name="line.69"></a> |
| <FONT color="green">070</FONT> * Merges the specified <code>info</code> argument into the <code>aggregate</code> argument and then returns an<a name="line.70"></a> |
| <FONT color="green">071</FONT> * aggregate for continued use throughout the login process.<a name="line.71"></a> |
| <FONT color="green">072</FONT> * <p/><a name="line.72"></a> |
| <FONT color="green">073</FONT> * This implementation merely checks to see if the specified <code>aggregate</code> argument is an instance of<a name="line.73"></a> |
| <FONT color="green">074</FONT> * {@link org.apache.shiro.authc.MergableAuthenticationInfo MergableAuthenticationInfo}, and if so, calls<a name="line.74"></a> |
| <FONT color="green">075</FONT> * <code>aggregate.merge(info)</code> If it is <em>not</em> an instance of<a name="line.75"></a> |
| <FONT color="green">076</FONT> * <code>MergableAuthenticationInfo</code>, an {@link IllegalArgumentException IllegalArgumentException} is thrown.<a name="line.76"></a> |
| <FONT color="green">077</FONT> * Can be overridden by subclasses for custom merging behavior if implementing the<a name="line.77"></a> |
| <FONT color="green">078</FONT> * {@link org.apache.shiro.authc.MergableAuthenticationInfo MergableAuthenticationInfo} is not desired for some reason.<a name="line.78"></a> |
| <FONT color="green">079</FONT> */<a name="line.79"></a> |
| <FONT color="green">080</FONT> protected AuthenticationInfo merge(AuthenticationInfo info, AuthenticationInfo aggregate) {<a name="line.80"></a> |
| <FONT color="green">081</FONT> if( aggregate instanceof MergableAuthenticationInfo ) {<a name="line.81"></a> |
| <FONT color="green">082</FONT> ((MergableAuthenticationInfo)aggregate).merge(info);<a name="line.82"></a> |
| <FONT color="green">083</FONT> return aggregate;<a name="line.83"></a> |
| <FONT color="green">084</FONT> } else {<a name="line.84"></a> |
| <FONT color="green">085</FONT> throw new IllegalArgumentException( "Attempt to merge authentication info from multiple realms, but aggregate " +<a name="line.85"></a> |
| <FONT color="green">086</FONT> "AuthenticationInfo is not of type MergableAuthenticationInfo." );<a name="line.86"></a> |
| <FONT color="green">087</FONT> }<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> /**<a name="line.90"></a> |
| <FONT color="green">091</FONT> * Simply returns the <code>aggregate</code> argument without modification. Can be overridden for custom behavior.<a name="line.91"></a> |
| <FONT color="green">092</FONT> */<a name="line.92"></a> |
| <FONT color="green">093</FONT> public AuthenticationInfo afterAllAttempts(AuthenticationToken token, AuthenticationInfo aggregate) throws AuthenticationException {<a name="line.93"></a> |
| <FONT color="green">094</FONT> return aggregate;<a name="line.94"></a> |
| <FONT color="green">095</FONT> }<a name="line.95"></a> |
| <FONT color="green">096</FONT> }<a name="line.96"></a> |
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| </PRE> |
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