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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.util;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.shiro.codec.Base64;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.codec.CodecSupport;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.shiro.codec.Hex;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.File;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.InputStream;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>/**<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * Very simple {@link ByteSource ByteSource} implementation that maintains an internal {@code byte[]} array and uses the<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * {@link Hex Hex} and {@link Base64 Base64} codec classes to support the<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * {@link #toHex() toHex()} and {@link #toBase64() toBase64()} implementations.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * <p/><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * The constructors on this class accept the following implicit byte-backed data types and will convert them to<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * a byte-array automatically:<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * <ul><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * <li>byte[]</li><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <li>char[]</li><a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * <li>String</li><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * <li>{@link ByteSource ByteSource}</li><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * <li>{@link File File}</li><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * <li>{@link InputStream InputStream}</li><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * </ul><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> *<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * @since 1.0<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> */<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>public class SimpleByteSource implements ByteSource {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private final byte[] bytes;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private String cachedHex;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private String cachedBase64;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public SimpleByteSource(byte[] bytes) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> this.bytes = bytes;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Creates an instance by converting the characters to a byte array (assumes UTF-8 encoding).<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> *<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @param chars the source characters to use to create the underlying byte array.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @since 1.1<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public SimpleByteSource(char[] chars) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> this.bytes = CodecSupport.toBytes(chars);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Creates an instance by converting the String to a byte array (assumes UTF-8 encoding).<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> *<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * @param string the source string to convert to a byte array (assumes UTF-8 encoding).<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @since 1.1<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public SimpleByteSource(String string) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> this.bytes = CodecSupport.toBytes(string);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> /**<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * Creates an instance using the sources bytes directly - it does not create a copy of the<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * argument's byte array.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> *<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * @param source the source to use to populate the underlying byte array.<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * @since 1.1<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> */<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public SimpleByteSource(ByteSource source) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> this.bytes = source.getBytes();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<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> * Creates an instance by converting the file to a byte array.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> *<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * @param file the file from which to acquire bytes.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @since 1.1<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public SimpleByteSource(File file) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this.bytes = new BytesHelper().getBytes(file);<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> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Creates an instance by converting the stream to a byte array.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> *<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @param stream the stream from which to acquire bytes.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * @since 1.1<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> */<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> public SimpleByteSource(InputStream stream) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.bytes = new BytesHelper().getBytes(stream);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> /**<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * Returns {@code true} if the specified object is a recognized data type that can be easily converted to<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * bytes by instances of this class, {@code false} otherwise.<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * <p/><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * This implementation returns {@code true} IFF the specified object is an instance of one of the following<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * types:<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * <ul><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * <li>{@code byte[]}</li><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * <li>{@code char[]}</li><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * <li>{@link ByteSource}</li><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * <li>{@link String}</li><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * <li>{@link File}</li><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * </li>{@link InputStream}</li><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * </ul><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> *<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * @param o the object to test to see if it can be easily converted to bytes by instances of this class.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * @return {@code true} if the specified object can be easily converted to bytes by instances of this class,<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * {@code false} otherwise.<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * @since 1.2<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> */<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public static boolean isCompatible(Object o) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return o instanceof byte[] || o instanceof char[] || o instanceof String ||<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> o instanceof ByteSource || o instanceof File || o instanceof InputStream;<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> public byte[] getBytes() {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return this.bytes;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> public boolean isEmpty() {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> return this.bytes == null || this.bytes.length == 0;<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> |
| <span class="sourceLineNo">141</span> public String toHex() {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> if ( this.cachedHex == null ) {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> this.cachedHex = Hex.encodeToString(getBytes());<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> return this.cachedHex;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public String toBase64() {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if ( this.cachedBase64 == null ) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> this.cachedBase64 = Base64.encodeToString(getBytes());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return this.cachedBase64;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> public String toString() {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> return toBase64();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public int hashCode() {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> if (this.bytes == null || this.bytes.length == 0) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> return 0;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> return Arrays.hashCode(this.bytes);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> public boolean equals(Object o) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> if (o == this) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return true;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> if (o instanceof ByteSource) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> ByteSource bs = (ByteSource) o;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return Arrays.equals(getBytes(), bs.getBytes());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> return false;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> //will probably be removed in Shiro 2.0. See SHIRO-203:<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> //https://issues.apache.org/jira/browse/SHIRO-203<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> private static final class BytesHelper extends CodecSupport {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public byte[] getBytes(File file) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return toBytes(file);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> public byte[] getBytes(InputStream stream) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return toBytes(stream);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span>}<a name="line.188"></a> |
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