| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.websocket.common.util; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.StandardOpenOption; |
| import java.security.DigestOutputStream; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.jetty.toolchain.test.IO; |
| import org.junit.Assert; |
| |
| /** |
| * Calculate the sha1sum for various content |
| */ |
| public class Sha1Sum |
| { |
| private static class NoOpOutputStream extends OutputStream |
| { |
| @Override |
| public void write(byte[] b) throws IOException |
| { |
| } |
| |
| @Override |
| public void write(byte[] b, int off, int len) throws IOException |
| { |
| } |
| |
| @Override |
| public void flush() throws IOException |
| { |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| } |
| |
| @Override |
| public void write(int b) throws IOException |
| { |
| } |
| } |
| |
| public static String calculate(File file) throws NoSuchAlgorithmException, IOException |
| { |
| return calculate(file.toPath()); |
| } |
| |
| public static String calculate(Path path) throws NoSuchAlgorithmException, IOException |
| { |
| MessageDigest digest = MessageDigest.getInstance("SHA1"); |
| try (InputStream in = Files.newInputStream(path,StandardOpenOption.READ); |
| NoOpOutputStream noop = new NoOpOutputStream(); |
| DigestOutputStream digester = new DigestOutputStream(noop,digest)) |
| { |
| IO.copy(in,digester); |
| return Hex.asHex(digest.digest()); |
| } |
| } |
| |
| public static String calculate(byte[] buf) throws NoSuchAlgorithmException |
| { |
| MessageDigest digest = MessageDigest.getInstance("SHA1"); |
| digest.update(buf); |
| return Hex.asHex(digest.digest()); |
| } |
| |
| public static String calculate(byte[] buf, int offset, int len) throws NoSuchAlgorithmException |
| { |
| MessageDigest digest = MessageDigest.getInstance("SHA1"); |
| digest.update(buf,offset,len); |
| return Hex.asHex(digest.digest()); |
| } |
| |
| public static String loadSha1(File sha1File) throws IOException |
| { |
| String contents = IO.readToString(sha1File); |
| Pattern pat = Pattern.compile("^[0-9A-Fa-f]*"); |
| Matcher mat = pat.matcher(contents); |
| Assert.assertTrue("Should have found HEX code in SHA1 file: " + sha1File,mat.find()); |
| return mat.group(); |
| } |
| |
| } |