/*
* Copyright 2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.internal.resource.transport.http.ntlm;
import jcifs.ntlmssp.Type1Message;
import jcifs.ntlmssp.Type2Message;
import jcifs.ntlmssp.Type3Message;
import jcifs.util.Base64;
import org.apache.http.auth.AuthScheme;
import org.apache.http.auth.AuthSchemeFactory;
import org.apache.http.impl.auth.NTLMEngine;
import org.apache.http.impl.auth.NTLMEngineException;
import org.apache.http.impl.auth.NTLMScheme;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpParams;
import java.io.IOException;
// Copied from http://hc.apache.org/httpcomponents-client-ga/ntlm.html
public class NTLMSchemeFactory implements AuthSchemeFactory {
public static void register(DefaultHttpClient httpClient) {
httpClient.getAuthSchemes().register("ntlm", new NTLMSchemeFactory());
}
public AuthScheme newInstance(HttpParams params) {
return new NTLMScheme(new JCIFSEngine());
}
private static class JCIFSEngine implements NTLMEngine {
public String generateType1Msg(String domain, String workstation) throws NTLMEngineException {
Type1Message type1Message = new Type1Message(Type1Message.getDefaultFlags(), domain, workstation);
return Base64.encode(type1Message.toByteArray());
}
public String generateType3Msg(String username, String password, String domain, String workstation, String challenge) throws NTLMEngineException {
Type2Message type2Message = decodeType2Message(challenge);
Type3Message type3Message = new Type3Message(type2Message, password, domain, username, workstation, Type3Message.getDefaultFlags());
return Base64.encode(type3Message.toByteArray());
}
private Type2Message decodeType2Message(String challenge) throws NTLMEngineException {
try {
return new Type2Message(Base64.decode(challenge));
} catch (final IOException exception) {
throw new NTLMEngineException("Invalid Type2 message", exception);
}
}
}
}