/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.transport.http.ntlm;
import java.io.IOException;
import jcifs.ntlmssp.Type1Message;
import jcifs.ntlmssp.Type2Message;
import jcifs.ntlmssp.Type3Message;
import jcifs.util.Base64;
import org.apache.commons.httpclient.NTCredentials;
public class NtlmMessageFactory
{
// Defines the default flags value set in the Type3Message. These flags must be set:
// NEGOTIATE_VERSION
// NEGOTIATE_TARGET_INFO
// NEGOTIATE_EXTENDED_SECURITY
// TARGET_TYPE_SERVER
// NEGOTIATE_ALWAYS_SIGN
// NEGOTIATE_NTLM_KEY
// REQUEST_TARGET
// NEGOTIATE_UNICODE
public static final int DEFAULT_TYPE_3_MESSAGE_FLAGS = 0X88205;
// Defines flags value to use in the Type1Message. These flags must be set:
// NEGOTIATE_EXTENDED_SECURITY
// NEGOTIATE_ALWAYS_SIGN
// NEGOTIATE_NTLM_KEY
// REQUEST_TARGET
// NEGOTIATE_OEM
// NEGOTIATE_UNICODE
public static final int DEFAULT_TYPE_1_MESSAGE_FLAGS = 0X88207;
/**
* Creates a {@link Type1Message} for NTLM authentication.
*
* @param host the client host
* @param domain the client domain
* @return a {@link Type1Message} to initiate the authentication process.
*/
public Type1Message createType1Message(String host, String domain)
{
Type1Message message = new Type1Message(DEFAULT_TYPE_1_MESSAGE_FLAGS, domain, host);
// Type1Message constructor sets a default workstation name when host == null, so it
// requires an override of that value in order to make it work
if (host == null)
{
message.setSuppliedWorkstation(null);
}
return message;
}
/**
* Creates a {@link Type2Message} for NTLM authentication from a challenge
* received from the NTLM server.
*
* @param challenge the challenge received from the server in response to a
* {@link Type1Message} message previously sent.
* @return a {@link Type2Message} to continue the authentication process.
*/
public Type2Message createType2Message(String challenge)
{
try
{
return new Type2Message(Base64.decode(challenge));
}
catch (IOException e)
{
throw new RuntimeException("Invalid Type2 message", e);
}
}
/**
* Creates a {@link Type3Message} for NTLM authentication.
*
* @param ntCredentials the credentials used for the authentication
* @param type2Message the {@link Type2Message} received from the server
* in response to a {@link Type1Message} message previously sent.
* @return a {@link Type3Message} to continue the authentication process.
*/
public Type3Message createType3Message(NTCredentials ntCredentials, Type2Message type2Message)
{
return new Type3Message(type2Message, ntCredentials.getPassword(), type2Message.getTarget(),
ntCredentials.getUserName(), ntCredentials.getHost(), DEFAULT_TYPE_3_MESSAGE_FLAGS);
}
}