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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.util;<a name="line.19"></a> |
| <FONT color="green">020</FONT> <a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.shiro.codec.Base64;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import org.apache.shiro.codec.CodecSupport;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.shiro.codec.Hex;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.io.File;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.io.InputStream;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.util.Arrays;<a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> /**<a name="line.29"></a> |
| <FONT color="green">030</FONT> * Very simple {@link ByteSource ByteSource} implementation that maintains an internal {@code byte[]} array and uses the<a name="line.30"></a> |
| <FONT color="green">031</FONT> * {@link Hex Hex} and {@link Base64 Base64} codec classes to support the<a name="line.31"></a> |
| <FONT color="green">032</FONT> * {@link #toHex() toHex()} and {@link #toBase64() toBase64()} implementations.<a name="line.32"></a> |
| <FONT color="green">033</FONT> * <p/><a name="line.33"></a> |
| <FONT color="green">034</FONT> * The constructors on this class accept the following implicit byte-backed data types and will convert them to<a name="line.34"></a> |
| <FONT color="green">035</FONT> * a byte-array automatically:<a name="line.35"></a> |
| <FONT color="green">036</FONT> * <ul><a name="line.36"></a> |
| <FONT color="green">037</FONT> * <li>byte[]</li><a name="line.37"></a> |
| <FONT color="green">038</FONT> * <li>char[]</li><a name="line.38"></a> |
| <FONT color="green">039</FONT> * <li>String</li><a name="line.39"></a> |
| <FONT color="green">040</FONT> * <li>{@link ByteSource ByteSource}</li><a name="line.40"></a> |
| <FONT color="green">041</FONT> * <li>{@link File File}</li><a name="line.41"></a> |
| <FONT color="green">042</FONT> * <li>{@link InputStream InputStream}</li><a name="line.42"></a> |
| <FONT color="green">043</FONT> * </ul><a name="line.43"></a> |
| <FONT color="green">044</FONT> *<a name="line.44"></a> |
| <FONT color="green">045</FONT> * @since 1.0<a name="line.45"></a> |
| <FONT color="green">046</FONT> */<a name="line.46"></a> |
| <FONT color="green">047</FONT> public class SimpleByteSource implements ByteSource {<a name="line.47"></a> |
| <FONT color="green">048</FONT> <a name="line.48"></a> |
| <FONT color="green">049</FONT> private final byte[] bytes;<a name="line.49"></a> |
| <FONT color="green">050</FONT> private String cachedHex;<a name="line.50"></a> |
| <FONT color="green">051</FONT> private String cachedBase64;<a name="line.51"></a> |
| <FONT color="green">052</FONT> <a name="line.52"></a> |
| <FONT color="green">053</FONT> public SimpleByteSource(byte[] bytes) {<a name="line.53"></a> |
| <FONT color="green">054</FONT> this.bytes = bytes;<a name="line.54"></a> |
| <FONT color="green">055</FONT> }<a name="line.55"></a> |
| <FONT color="green">056</FONT> <a name="line.56"></a> |
| <FONT color="green">057</FONT> /**<a name="line.57"></a> |
| <FONT color="green">058</FONT> * Creates an instance by converting the characters to a byte array (assumes UTF-8 encoding).<a name="line.58"></a> |
| <FONT color="green">059</FONT> *<a name="line.59"></a> |
| <FONT color="green">060</FONT> * @param chars the source characters to use to create the underlying byte array.<a name="line.60"></a> |
| <FONT color="green">061</FONT> * @since 1.1<a name="line.61"></a> |
| <FONT color="green">062</FONT> */<a name="line.62"></a> |
| <FONT color="green">063</FONT> public SimpleByteSource(char[] chars) {<a name="line.63"></a> |
| <FONT color="green">064</FONT> this.bytes = CodecSupport.toBytes(chars);<a name="line.64"></a> |
| <FONT color="green">065</FONT> }<a name="line.65"></a> |
| <FONT color="green">066</FONT> <a name="line.66"></a> |
| <FONT color="green">067</FONT> /**<a name="line.67"></a> |
| <FONT color="green">068</FONT> * Creates an instance by converting the String to a byte array (assumes UTF-8 encoding).<a name="line.68"></a> |
| <FONT color="green">069</FONT> *<a name="line.69"></a> |
| <FONT color="green">070</FONT> * @param string the source string to convert to a byte array (assumes UTF-8 encoding).<a name="line.70"></a> |
| <FONT color="green">071</FONT> * @since 1.1<a name="line.71"></a> |
| <FONT color="green">072</FONT> */<a name="line.72"></a> |
| <FONT color="green">073</FONT> public SimpleByteSource(String string) {<a name="line.73"></a> |
| <FONT color="green">074</FONT> this.bytes = CodecSupport.toBytes(string);<a name="line.74"></a> |
| <FONT color="green">075</FONT> }<a name="line.75"></a> |
| <FONT color="green">076</FONT> <a name="line.76"></a> |
| <FONT color="green">077</FONT> /**<a name="line.77"></a> |
| <FONT color="green">078</FONT> * Creates an instance using the sources bytes directly - it does not create a copy of the<a name="line.78"></a> |
| <FONT color="green">079</FONT> * argument's byte array.<a name="line.79"></a> |
| <FONT color="green">080</FONT> *<a name="line.80"></a> |
| <FONT color="green">081</FONT> * @param source the source to use to populate the underlying byte array.<a name="line.81"></a> |
| <FONT color="green">082</FONT> * @since 1.1<a name="line.82"></a> |
| <FONT color="green">083</FONT> */<a name="line.83"></a> |
| <FONT color="green">084</FONT> public SimpleByteSource(ByteSource source) {<a name="line.84"></a> |
| <FONT color="green">085</FONT> this.bytes = source.getBytes();<a name="line.85"></a> |
| <FONT color="green">086</FONT> }<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> * Creates an instance by converting the file to a byte array.<a name="line.89"></a> |
| <FONT color="green">090</FONT> *<a name="line.90"></a> |
| <FONT color="green">091</FONT> * @param file the file from which to acquire bytes.<a name="line.91"></a> |
| <FONT color="green">092</FONT> * @since 1.1<a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> public SimpleByteSource(File file) {<a name="line.94"></a> |
| <FONT color="green">095</FONT> this.bytes = new BytesHelper().getBytes(file);<a name="line.95"></a> |
| <FONT color="green">096</FONT> }<a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> /**<a name="line.98"></a> |
| <FONT color="green">099</FONT> * Creates an instance by converting the stream to a byte array.<a name="line.99"></a> |
| <FONT color="green">100</FONT> *<a name="line.100"></a> |
| <FONT color="green">101</FONT> * @param stream the stream from which to acquire bytes.<a name="line.101"></a> |
| <FONT color="green">102</FONT> * @since 1.1<a name="line.102"></a> |
| <FONT color="green">103</FONT> */<a name="line.103"></a> |
| <FONT color="green">104</FONT> public SimpleByteSource(InputStream stream) {<a name="line.104"></a> |
| <FONT color="green">105</FONT> this.bytes = new BytesHelper().getBytes(stream);<a name="line.105"></a> |
| <FONT color="green">106</FONT> }<a name="line.106"></a> |
| <FONT color="green">107</FONT> <a name="line.107"></a> |
| <FONT color="green">108</FONT> /**<a name="line.108"></a> |
| <FONT color="green">109</FONT> * Returns {@code true} if the specified object is a recognized data type that can be easily converted to<a name="line.109"></a> |
| <FONT color="green">110</FONT> * bytes by instances of this class, {@code false} otherwise.<a name="line.110"></a> |
| <FONT color="green">111</FONT> * <p/><a name="line.111"></a> |
| <FONT color="green">112</FONT> * This implementation returns {@code true} IFF the specified object is an instance of one of the following<a name="line.112"></a> |
| <FONT color="green">113</FONT> * types:<a name="line.113"></a> |
| <FONT color="green">114</FONT> * <ul><a name="line.114"></a> |
| <FONT color="green">115</FONT> * <li>{@code byte[]}</li><a name="line.115"></a> |
| <FONT color="green">116</FONT> * <li>{@code char[]}</li><a name="line.116"></a> |
| <FONT color="green">117</FONT> * <li>{@link ByteSource}</li><a name="line.117"></a> |
| <FONT color="green">118</FONT> * <li>{@link String}</li><a name="line.118"></a> |
| <FONT color="green">119</FONT> * <li>{@link File}</li><a name="line.119"></a> |
| <FONT color="green">120</FONT> * </li>{@link InputStream}</li><a name="line.120"></a> |
| <FONT color="green">121</FONT> * </ul><a name="line.121"></a> |
| <FONT color="green">122</FONT> *<a name="line.122"></a> |
| <FONT color="green">123</FONT> * @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> |
| <FONT color="green">124</FONT> * @return {@code true} if the specified object can be easily converted to bytes by instances of this class,<a name="line.124"></a> |
| <FONT color="green">125</FONT> * {@code false} otherwise.<a name="line.125"></a> |
| <FONT color="green">126</FONT> * @since 1.2<a name="line.126"></a> |
| <FONT color="green">127</FONT> */<a name="line.127"></a> |
| <FONT color="green">128</FONT> public static boolean isCompatible(Object o) {<a name="line.128"></a> |
| <FONT color="green">129</FONT> return o instanceof byte[] || o instanceof char[] || o instanceof String ||<a name="line.129"></a> |
| <FONT color="green">130</FONT> o instanceof ByteSource || o instanceof File || o instanceof InputStream;<a name="line.130"></a> |
| <FONT color="green">131</FONT> }<a name="line.131"></a> |
| <FONT color="green">132</FONT> <a name="line.132"></a> |
| <FONT color="green">133</FONT> public byte[] getBytes() {<a name="line.133"></a> |
| <FONT color="green">134</FONT> return this.bytes;<a name="line.134"></a> |
| <FONT color="green">135</FONT> }<a name="line.135"></a> |
| <FONT color="green">136</FONT> <a name="line.136"></a> |
| <FONT color="green">137</FONT> public boolean isEmpty() {<a name="line.137"></a> |
| <FONT color="green">138</FONT> return this.bytes == null || this.bytes.length == 0;<a name="line.138"></a> |
| <FONT color="green">139</FONT> }<a name="line.139"></a> |
| <FONT color="green">140</FONT> <a name="line.140"></a> |
| <FONT color="green">141</FONT> public String toHex() {<a name="line.141"></a> |
| <FONT color="green">142</FONT> if ( this.cachedHex == null ) {<a name="line.142"></a> |
| <FONT color="green">143</FONT> this.cachedHex = Hex.encodeToString(getBytes());<a name="line.143"></a> |
| <FONT color="green">144</FONT> }<a name="line.144"></a> |
| <FONT color="green">145</FONT> return this.cachedHex;<a name="line.145"></a> |
| <FONT color="green">146</FONT> }<a name="line.146"></a> |
| <FONT color="green">147</FONT> <a name="line.147"></a> |
| <FONT color="green">148</FONT> public String toBase64() {<a name="line.148"></a> |
| <FONT color="green">149</FONT> if ( this.cachedBase64 == null ) {<a name="line.149"></a> |
| <FONT color="green">150</FONT> this.cachedBase64 = Base64.encodeToString(getBytes());<a name="line.150"></a> |
| <FONT color="green">151</FONT> }<a name="line.151"></a> |
| <FONT color="green">152</FONT> return this.cachedBase64;<a name="line.152"></a> |
| <FONT color="green">153</FONT> }<a name="line.153"></a> |
| <FONT color="green">154</FONT> <a name="line.154"></a> |
| <FONT color="green">155</FONT> public String toString() {<a name="line.155"></a> |
| <FONT color="green">156</FONT> return toBase64();<a name="line.156"></a> |
| <FONT color="green">157</FONT> }<a name="line.157"></a> |
| <FONT color="green">158</FONT> <a name="line.158"></a> |
| <FONT color="green">159</FONT> public int hashCode() {<a name="line.159"></a> |
| <FONT color="green">160</FONT> if (this.bytes == null || this.bytes.length == 0) {<a name="line.160"></a> |
| <FONT color="green">161</FONT> return 0;<a name="line.161"></a> |
| <FONT color="green">162</FONT> }<a name="line.162"></a> |
| <FONT color="green">163</FONT> return Arrays.hashCode(this.bytes);<a name="line.163"></a> |
| <FONT color="green">164</FONT> }<a name="line.164"></a> |
| <FONT color="green">165</FONT> <a name="line.165"></a> |
| <FONT color="green">166</FONT> public boolean equals(Object o) {<a name="line.166"></a> |
| <FONT color="green">167</FONT> if (o == this) {<a name="line.167"></a> |
| <FONT color="green">168</FONT> return true;<a name="line.168"></a> |
| <FONT color="green">169</FONT> }<a name="line.169"></a> |
| <FONT color="green">170</FONT> if (o instanceof ByteSource) {<a name="line.170"></a> |
| <FONT color="green">171</FONT> ByteSource bs = (ByteSource) o;<a name="line.171"></a> |
| <FONT color="green">172</FONT> return Arrays.equals(getBytes(), bs.getBytes());<a name="line.172"></a> |
| <FONT color="green">173</FONT> }<a name="line.173"></a> |
| <FONT color="green">174</FONT> return false;<a name="line.174"></a> |
| <FONT color="green">175</FONT> }<a name="line.175"></a> |
| <FONT color="green">176</FONT> <a name="line.176"></a> |
| <FONT color="green">177</FONT> //will probably be removed in Shiro 2.0. See SHIRO-203:<a name="line.177"></a> |
| <FONT color="green">178</FONT> //https://issues.apache.org/jira/browse/SHIRO-203<a name="line.178"></a> |
| <FONT color="green">179</FONT> private static final class BytesHelper extends CodecSupport {<a name="line.179"></a> |
| <FONT color="green">180</FONT> public byte[] getBytes(File file) {<a name="line.180"></a> |
| <FONT color="green">181</FONT> return toBytes(file);<a name="line.181"></a> |
| <FONT color="green">182</FONT> }<a name="line.182"></a> |
| <FONT color="green">183</FONT> <a name="line.183"></a> |
| <FONT color="green">184</FONT> public byte[] getBytes(InputStream stream) {<a name="line.184"></a> |
| <FONT color="green">185</FONT> return toBytes(stream);<a name="line.185"></a> |
| <FONT color="green">186</FONT> }<a name="line.186"></a> |
| <FONT color="green">187</FONT> }<a name="line.187"></a> |
| <FONT color="green">188</FONT> }<a name="line.188"></a> |
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