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| <pre><span class="sourceLineNo">001</span>package org.apache.fulcrum.crypto;<a name="line.1"></a> |
| <span class="sourceLineNo">002</span><a name="line.2"></a> |
| <span class="sourceLineNo">003</span>/*<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * with the License. You may obtain a copy of the License at<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> *<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * software distributed under the License is distributed on an<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * KIND, either express or implied. See the License for the<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> * specific language governing permissions and limitations<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> * under the License.<a name="line.19"></a> |
| <span class="sourceLineNo">020</span> */<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.security.NoSuchAlgorithmException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.HashMap;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.avalon.framework.activity.Initializable;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.avalon.framework.configuration.Configurable;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.avalon.framework.configuration.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.avalon.framework.configuration.ConfigurationException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.avalon.framework.logger.AbstractLogEnabled;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.avalon.framework.thread.ThreadSafe;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>/**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * An implementation of CryptoService that uses either supplied crypto<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * Algorithms (provided in the component config xml file) or tries to get them<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * via the normal java mechanisms if this fails.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * avalon.component name="crypto" lifestyle="singleton" avalon.service<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * type="org.apache.fulcrum.crypto.CryptoService"<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> *<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> *<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * @version $Id$<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>public class DefaultCryptoService extends AbstractLogEnabled<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> implements CryptoService, Configurable, Initializable, ThreadSafe {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> <a name="line.48"></a> |
| <span class="sourceLineNo">049</span> /** Key Prefix for our algorithms */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private static final String ALGORITHM = "algorithm";<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /** Default Key */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final String DEFAULT_KEY = "default";<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /** Default Encryption Class */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private static final String DEFAULT_CLASS = "org.apache.fulcrum.crypto.provider.JavaCrypt";<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> /** Names of the registered algorithms and the wanted classes */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private HashMap<String, String> algos = new HashMap<>();<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * Returns a CryptoAlgorithm Object which represents the requested crypto<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * algorithm.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> *<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * @see org.apache.fulcrum.crypto.CryptoService#getCryptoAlgorithm(java.lang.String)<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> *<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * @param algo Name of the requested algorithm<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> *<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @return An Object representing the algorithm<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> *<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @throws NoSuchAlgorithmException Requested algorithm is not available<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> *<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public CryptoAlgorithm getCryptoAlgorithm(String algo) throws NoSuchAlgorithmException <a name="line.74"></a> |
| <span class="sourceLineNo">075</span> {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> String cryptoClass = (String) algos.get(algo);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> CryptoAlgorithm ca = null;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> if (cryptoClass == null) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> cryptoClass = (String) algos.get(DEFAULT_KEY);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> if (cryptoClass == null || cryptoClass.equalsIgnoreCase("none")) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> throw new NoSuchAlgorithmException("TurbineCryptoService: No Algorithm for " + algo + " found");<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> try {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> ca = (CryptoAlgorithm) Class.forName(cryptoClass).newInstance();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> } catch (Exception e) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> throw new NoSuchAlgorithmException(<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> "TurbineCryptoService: Error instantiating " + cryptoClass + " for " + algo);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> ca.setCipher(algo);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return ca;<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><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // ---------------- Avalon Lifecycle Methods ---------------------<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> * Avalon component lifecycle method<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * <a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @param conf the configuration<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @throws ConfigurationException if not found<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> */<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public void configure(Configuration conf) throws ConfigurationException <a name="line.103"></a> |
| <span class="sourceLineNo">104</span> {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> // Initialize the hash and setup default<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> // Can be overriden by default key from properties<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> this.algos = new HashMap<>();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> this.algos.put(DEFAULT_KEY, DEFAULT_CLASS);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> <a name="line.109"></a> |
| <span class="sourceLineNo">110</span> final Configuration algorithms = conf.getChild(ALGORITHM, false);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> if (algorithms != null) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Configuration[] nameVal = algorithms.getChildren();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> for ( Configuration entry : nameVal )<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> algos.put(entry.getName(), entry.getValue());<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<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> * Initialize the service<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * <a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * @see org.apache.avalon.framework.activity.Initializable#initialize()<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * <a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * @throws Exception if initialization fails<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> */<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> public void initialize() throws Exception <a name="line.127"></a> |
| <span class="sourceLineNo">128</span> {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> getLogger().debug("initialize()");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<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> * Avalon component lifecycle method<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> */<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> public void dispose() <a name="line.135"></a> |
| <span class="sourceLineNo">136</span> {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> algos = null;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span>}<a name="line.140"></a> |
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| </pre> |
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