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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.credential;<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.AuthenticationInfo;<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.crypto.hash.Hash;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * A {@link CredentialsMatcher} that employs best-practices comparisons for hashed text passwords.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * <p/><a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * This implementation delegates to an internal {@link PasswordService} to perform the actual password<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * comparison. This class is essentially a bridge between the generic CredentialsMatcher interface and the<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * more specific {@code PasswordService} component.<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> *<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * @since 1.2<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> */<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>public class PasswordMatcher implements CredentialsMatcher {<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> private PasswordService passwordService;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> public PasswordMatcher() {<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> this.passwordService = new DefaultPasswordService();<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> }<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> public boolean doCredentialsMatch(AuthenticationToken token, AuthenticationInfo info) {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> PasswordService service = ensurePasswordService();<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> Object submittedPassword = getSubmittedPassword(token);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> Object storedCredentials = getStoredPassword(info);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> assertStoredCredentialsType(storedCredentials);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> if (storedCredentials instanceof Hash) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> Hash hashedPassword = (Hash)storedCredentials;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> HashingPasswordService hashingService = assertHashingPasswordService(service);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> return hashingService.passwordsMatch(submittedPassword, hashedPassword);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> //otherwise they are a String (asserted in the 'assertStoredCredentialsType' method call above):<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> String formatted = (String)storedCredentials;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> return passwordService.passwordsMatch(submittedPassword, formatted);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private HashingPasswordService assertHashingPasswordService(PasswordService service) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> if (service instanceof HashingPasswordService) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> return (HashingPasswordService) service;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> String msg = "AuthenticationInfo's stored credentials are a Hash instance, but the " +<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> "configured passwordService is not a " +<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> HashingPasswordService.class.getName() + " instance. This is required to perform Hash " +<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> "object password comparisons.";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> throw new IllegalStateException(msg);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private PasswordService ensurePasswordService() {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> PasswordService service = getPasswordService();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> if (service == null) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> String msg = "Required PasswordService has not been configured.";<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> throw new IllegalStateException(msg);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return service;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> protected Object getSubmittedPassword(AuthenticationToken token) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return token != null ? token.getCredentials() : null;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private void assertStoredCredentialsType(Object credentials) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (credentials instanceof String || credentials instanceof Hash) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return;<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> String msg = "Stored account credentials are expected to be either a " +<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> Hash.class.getName() + " instance or a formatted hash String.";<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> throw new IllegalArgumentException(msg);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> protected Object getStoredPassword(AuthenticationInfo storedAccountInfo) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> Object stored = storedAccountInfo != null ? storedAccountInfo.getCredentials() : null;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> //fix for https://issues.apache.org/jira/browse/SHIRO-363<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (stored instanceof char[]) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> stored = new String((char[])stored);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return stored;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public PasswordService getPasswordService() {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> return passwordService;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> public void setPasswordService(PasswordService passwordService) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> this.passwordService = passwordService;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span>}<a name="line.110"></a> |
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| </pre> |
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