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https://github.com/scm-manager/scm-manager.git
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117 lines
3.2 KiB
Java
117 lines
3.2 KiB
Java
/**
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* Copyright (c) 2010, Sebastian Sdorra
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of SCM-Manager; nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* http://bitbucket.org/sdorra/scm-manager
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*
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*/
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package sonia.scm.gravatar;
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//~--- non-JDK imports --------------------------------------------------------
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import sonia.scm.util.Util;
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//~--- JDK imports ------------------------------------------------------------
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import java.io.UnsupportedEncodingException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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/**
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*
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* @author Sebastian Sdorra
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*/
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public class MD5Util
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{
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/** the logger for MD5Util */
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private static final Logger logger = LoggerFactory.getLogger(MD5Util.class);
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @param array
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*
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* @return
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*/
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public static String hex(byte[] array)
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{
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < array.length; ++i)
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{
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sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
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}
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return sb.toString();
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}
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/**
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* Method description
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*
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*
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* @param message
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*
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* @return
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*/
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public static String md5Hex(String message)
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{
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String out = null;
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if (Util.isNotEmpty(message))
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{
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message = message.toLowerCase().trim();
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try
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{
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MessageDigest md = MessageDigest.getInstance("MD5");
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out = hex(md.digest(message.getBytes("CP1252")));
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}
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catch (NoSuchAlgorithmException ex)
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{
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logger.error(ex.getMessage(), ex);
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}
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catch (UnsupportedEncodingException ex)
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{
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logger.error(ex.getMessage(), ex);
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}
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}
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return out;
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}
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}
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