/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
|
* or http://forgerock.org/license/CDDLv1.0.html.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at legal-notices/CDDLv1_0.txt.
|
* If applicable, add the following below this CDDL HEADER, with the
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
* information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Copyright 2008 Sun Microsystems, Inc.
|
* Portions Copyright 2013-2015 ForgeRock AS
|
*/
|
package org.opends.server.extensions;
|
|
|
|
import org.forgerock.i18n.LocalizableMessage;
|
import org.opends.server.admin.std.server.BlowfishPasswordStorageSchemeCfg;
|
import org.opends.server.api.PasswordStorageScheme;
|
import org.forgerock.opendj.config.server.ConfigException;
|
import org.opends.server.core.DirectoryServer;
|
import org.forgerock.i18n.slf4j.LocalizedLogger;
|
import org.opends.server.types.*;
|
import org.forgerock.opendj.ldap.ResultCode;
|
import org.forgerock.opendj.ldap.ByteString;
|
import org.forgerock.opendj.ldap.ByteSequence;
|
import org.opends.server.util.Base64;
|
|
import java.util.Arrays;
|
|
import static org.opends.messages.ExtensionMessages.*;
|
import static org.opends.server.extensions.ExtensionsConstants.*;
|
import static org.opends.server.util.StaticUtils.*;
|
|
|
|
/**
|
* This class defines a Directory Server password storage scheme that will
|
* encode values using the Blowfish reversible encryption algorithm. This
|
* implementation supports only the user password syntax and not the auth
|
* password syntax.
|
*/
|
public class BlowfishPasswordStorageScheme
|
extends PasswordStorageScheme<BlowfishPasswordStorageSchemeCfg>
|
{
|
private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
|
|
|
|
// The reference to the Directory Server crypto manager that we will use to
|
// handle the encryption/decryption.
|
private CryptoManager cryptoManager;
|
|
|
|
/**
|
* Creates a new instance of this password storage scheme. Note that no
|
* initialization should be performed here, as all initialization should be
|
* done in the {@code initializePasswordStorageScheme} method.
|
*/
|
public BlowfishPasswordStorageScheme()
|
{
|
super();
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public void initializePasswordStorageScheme(
|
BlowfishPasswordStorageSchemeCfg configuration)
|
throws ConfigException, InitializationException
|
{
|
cryptoManager = DirectoryServer.getCryptoManager();
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public String getStorageSchemeName()
|
{
|
return STORAGE_SCHEME_NAME_BLOWFISH;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public ByteString encodePassword(ByteSequence plaintext)
|
throws DirectoryException
|
{
|
byte[] plaintextBytes = null;
|
try
|
{
|
// TODO: Can we avoid this copy?
|
plaintextBytes = plaintext.toByteArray();
|
byte[] encodedBytes =
|
cryptoManager.encrypt(CIPHER_TRANSFORMATION_BLOWFISH,
|
KEY_SIZE_BLOWFISH, plaintextBytes);
|
return ByteString.valueOf(Base64.encode(encodedBytes));
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
|
LocalizableMessage m = ERR_PWSCHEME_CANNOT_ENCRYPT.get(STORAGE_SCHEME_NAME_BLOWFISH,
|
getExceptionMessage(e));
|
throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
|
m, e);
|
}
|
finally
|
{
|
if (plaintextBytes != null)
|
Arrays.fill(plaintextBytes, (byte) 0);
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public ByteString encodePasswordWithScheme(ByteSequence plaintext)
|
throws DirectoryException
|
{
|
StringBuilder buffer = new StringBuilder();
|
buffer.append('{');
|
buffer.append(STORAGE_SCHEME_NAME_BLOWFISH);
|
buffer.append('}');
|
byte[] plaintextBytes = null;
|
|
try
|
{
|
// TODO: Can we avoid this copy?
|
plaintextBytes = plaintext.toByteArray();
|
byte[] encodedBytes =
|
cryptoManager.encrypt(CIPHER_TRANSFORMATION_BLOWFISH,
|
KEY_SIZE_BLOWFISH, plaintextBytes);
|
buffer.append(Base64.encode(encodedBytes));
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
|
LocalizableMessage m = ERR_PWSCHEME_CANNOT_ENCRYPT.get(STORAGE_SCHEME_NAME_BLOWFISH,
|
getExceptionMessage(e));
|
throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
|
m, e);
|
}
|
finally
|
{
|
if (plaintextBytes != null)
|
Arrays.fill(plaintextBytes, (byte) 0);
|
}
|
|
return ByteString.valueOf(buffer.toString());
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean passwordMatches(ByteSequence plaintextPassword,
|
ByteSequence storedPassword)
|
{
|
try
|
{
|
ByteString decryptedPassword =
|
ByteString.wrap(cryptoManager.decrypt(
|
Base64.decode(storedPassword.toString())));
|
return plaintextPassword.equals(decryptedPassword);
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
|
return false;
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean isReversible()
|
{
|
return true;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public ByteString getPlaintextValue(ByteSequence storedPassword)
|
throws DirectoryException
|
{
|
try
|
{
|
byte[] decryptedPassword =
|
cryptoManager.decrypt(Base64.decode(storedPassword.toString()));
|
return ByteString.wrap(decryptedPassword);
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
|
LocalizableMessage m = ERR_PWSCHEME_CANNOT_DECRYPT.get(STORAGE_SCHEME_NAME_BLOWFISH,
|
getExceptionMessage(e));
|
throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
|
m, e);
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean supportsAuthPasswordSyntax()
|
{
|
// This storage scheme does not support the authentication password syntax.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public ByteString encodeAuthPassword(ByteSequence plaintext)
|
throws DirectoryException
|
{
|
LocalizableMessage message =
|
ERR_PWSCHEME_DOES_NOT_SUPPORT_AUTH_PASSWORD.get(getStorageSchemeName());
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean authPasswordMatches(ByteSequence plaintextPassword,
|
String authInfo, String authValue)
|
{
|
// This storage scheme does not support the authentication password syntax.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public ByteString getAuthPasswordPlaintextValue(String authInfo,
|
String authValue)
|
throws DirectoryException
|
{
|
LocalizableMessage message =
|
ERR_PWSCHEME_DOES_NOT_SUPPORT_AUTH_PASSWORD.get(getStorageSchemeName());
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean isStorageSchemeSecure()
|
{
|
// This password storage scheme should be considered secure.
|
return true;
|
}
|
}
|
