File D:\maven-qcr-plugin-testsunitaires\qcr4java\jenkins-master\target\site\qc\core\src\main\java\hudson\util\Scrambler.java.html

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 package hudson.util;
25
26 import com.trilead.ssh2.crypto.Base64;
27
28 import java.io.IOException;
29 import java.io.UnsupportedEncodingException;
30
31 /**
32 * Used when storing passwords in configuration files.
33 *
34 * <p>
35 * This doesn't make passwords secure, but it prevents unwanted
36 * exposure to passwords, such as when one is grepping the file system
37 * or looking at config files for trouble-shooting.
38 *
39 * @author Kohsuke Kawaguchi
40 * @see Protector
41 */
42 public class Scrambler {
43 public static String scramble(String secret) {
44 if(secret==null) return null;
45 try {
46 return new String(Base64.encode(secret.getBytes("UTF-8")));
47 } catch (UnsupportedEncodingException e) {
48 throw new Error(e); // impossible
49 }
50 }
51
52 public static String descramble(String scrambled) {
53 if(scrambled==null) return null;
54 try {
55 return new String(Base64.decode(scrambled.toCharArray()),"UTF-8");
56 } catch (IOException e) {
57 return ""; // corrupted data.
58 }
59 }
60 }
61