/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.utils;
import org.apache.commons.codec.binary.Base64;
import org.jasypt.digest.ByteDigester;
import org.jasypt.digest.PooledByteDigester;
import org.jasypt.encryption.StringEncryptor;
import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
/**
* Miscellaneous encryption utilities.
*
* @author Sergiy Shyrkov
*/
public final class EncryptionUtils {
private static ByteDigester sha1DigesterLegacy;
private static StringEncryptor stringEncryptor;
private static ByteDigester getSHA1DigesterLegacy() {
if (sha1DigesterLegacy == null) {
synchronized (EncryptionUtils.class) {
if (sha1DigesterLegacy == null) {
// StandardByteDigester digister = new StandardByteDigester();
PooledByteDigester digister = new PooledByteDigester();
digister.setAlgorithm("SHA-1");
digister.setSaltSizeBytes(0);
digister.setIterations(1);
digister.setPoolSize(4);
sha1DigesterLegacy = digister;
}
}
}
return sha1DigesterLegacy;
}
private static StringEncryptor getStringEncryptor() {
if (stringEncryptor == null) {
synchronized (EncryptionUtils.class) {
if (stringEncryptor == null) {
StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
encryptor.setPassword(new String(new byte[] { 74, 97, 104, 105, 97, 32, 120,
67, 77, 32, 54, 46, 53 }));
// encryptor.setAlgorithm("PBEWithMD5AndTripleDES");
stringEncryptor = encryptor;
}
}
}
return stringEncryptor;
}
/**
* Bi-directional password base decryption of the provided text.
*
* @param encrypted
* the text to be decrypted
* @return password base decrypted text
*/
public static String passwordBaseDecrypt(String encrypted) {
return getStringEncryptor().decrypt(encrypted);
}
/**
* Bi-directional password base encryption of the provided text.
*
* @param source
* the text to be encrypted
* @return password base encrypted text
*/
public static String passwordBaseEncrypt(String source) {
return getStringEncryptor().encrypt(source);
}
/**
* Created the Base64 encoded SHA-1 digest of the provided text. The method is introduced for compatibility with the password encryption
* in Jahia prior to 6.5.
*
* @param source
* the source text to be digested
* @return the Base64 encoded SHA-1 digest of the provided text
*/
public static String sha1DigestLegacy(String source) {
return new String(Base64.encodeBase64(getSHA1DigesterLegacy().digest(source.getBytes())));
}
/**
* Initializes an instance of this class.
*/
private EncryptionUtils() {
super();
}
}