セルゲイのコメントに応えて...
私のソリューションには2つのクラスがあります。このような承認スキーム
import java.io.IOException;
import jcifs.ntlmssp.Type1Message;
import jcifs.ntlmssp.Type2Message;
import jcifs.ntlmssp.Type3Message;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NTCredentials;
import org.apache.commons.httpclient.auth.AuthChallengeParser;
import org.apache.commons.httpclient.auth.AuthScheme;
import org.apache.commons.httpclient.auth.AuthenticationException;
import org.apache.commons.httpclient.auth.InvalidCredentialsException;
import org.apache.commons.httpclient.auth.MalformedChallengeException;
import org.apache.commons.httpclient.auth.NTLMScheme;
import org.apache.commons.httpclient.util.EncodingUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* AuthScheme that delegates the work of reading and writing NTLM messages to
* the JCIFS implementation
*
* directly inspired by org.apache.commons.httpclient.auth.NTLMScheme
*
*
* This software is based upon voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
public class JcifsNtlmScheme implements AuthScheme
{
/** Log object for this class. */
private static final Log LOG = LogFactory.getLog(NTLMScheme.class);
/** NTLM challenge string. */
private String ntlmchallenge = null;
private static final int UNINITIATED = 0;
private static final int INITIATED = 1;
private static final int TYPE1_MSG_GENERATED = 2;
private static final int TYPE2_MSG_RECEIVED = 3;
private static final int TYPE3_MSG_GENERATED = 4;
private static final int FAILED = Integer.MAX_VALUE;
/** Authentication process state */
private int state;
/**
* Default constructor for the NTLM authentication scheme.
*
* @since 3.0
*/
public JcifsNtlmScheme()
{
super();
this.state = UNINITIATED;
}
/**
* Constructor for the NTLM authentication scheme.
*
* @param challenge
* The authentication challenge
*
* @throws MalformedChallengeException
* is thrown if the authentication challenge is malformed
*/
public JcifsNtlmScheme(final String challenge)
throws MalformedChallengeException
{
super();
processChallenge(challenge);
}
/**
* Processes the NTLM challenge.
*
* @param challenge
* the challenge string
*
* @throws MalformedChallengeException
* is thrown if the authentication challenge is malformed
*
* @since 3.0
*/
public void processChallenge(final String challenge)
throws MalformedChallengeException
{
String s = AuthChallengeParser.extractScheme(challenge);
if (!s.equalsIgnoreCase(getSchemeName()))
{
throw new MalformedChallengeException("Invalid NTLM challenge: "
+ challenge);
}
int i = challenge.indexOf(' ');
if (i != -1)
{
s = challenge.substring(i, challenge.length());
this.ntlmchallenge = s.trim();
this.state = TYPE2_MSG_RECEIVED;
}
else
{
this.ntlmchallenge = "";
if (this.state == UNINITIATED)
{
this.state = INITIATED;
}
else
{
this.state = FAILED;
}
}
}
/**
* Tests if the NTLM authentication process has been completed.
*
* @return true if Basic authorization has been processed,
* false otherwise.
*
* @since 3.0
*/
public boolean isComplete()
{
return this.state == TYPE3_MSG_GENERATED || this.state == FAILED;
}
/**
* Returns textual designation of the NTLM authentication scheme.
*
* @return ntlm
*/
public String getSchemeName()
{
return "ntlm";
}
/**
* The concept of an authentication realm is not supported by the NTLM
* authentication scheme. Always returns null.
*
* @return null
*/
public String getRealm()
{
return null;
}
/**
* Unsupported.
*/
public String getID()
{
throw new UnsupportedOperationException();
}
/**
* Returns the authentication parameter with the given name, if available.
*
*
* There are no valid parameters for NTLM authentication so this method
* always returns null.
*
*
* @param name
* The name of the parameter to be returned
*
* @return the parameter with the given name
*/
public String getParameter(String name)
{
if (name == null)
{
throw new IllegalArgumentException("Parameter name may not be null");
}
return null;
}
/**
* Returns true. NTLM authentication scheme is connection based.
*
* @return true.
*
* @since 3.0
*/
public boolean isConnectionBased()
{
return true;
}
/**
* Unsupported.
*/
public static String authenticate(
final NTCredentials credentials, final String challenge)
throws AuthenticationException
{
throw new UnsupportedOperationException();
}
/**
* Unsupported.
*/
public static String authenticate(
final NTCredentials credentials, final String challenge,
String charset) throws AuthenticationException
{
throw new UnsupportedOperationException();
}
/**
* Unsupported.
*/
public String authenticate(
Credentials credentials, String method, String uri)
throws AuthenticationException
{
throw new UnsupportedOperationException();
}
/**
* Produces NTLM authorization string for the given set of
* {@link Credentials}.
*
* @param credentials
* The set of credentials to be used for athentication
* @param method
* The method being authenticated
*
* @throws InvalidCredentialsException
* if authentication credentials are not valid or not applicable
* for this authentication scheme
* @throws AuthenticationException
* if authorization string cannot be generated due to an
* authentication failure
*
* @return an NTLM authorization string
*
* @since 3.0
*/
public String authenticate(Credentials credentials, HttpMethod method)
throws AuthenticationException
{
LOG.trace("enter NTLMScheme.authenticate(Credentials, HttpMethod)");
if (this.state == UNINITIATED)
{
throw new IllegalStateException(
"NTLM authentication process has not been initiated");
}
NTCredentials ntcredentials = null;
try
{
ntcredentials = (NTCredentials) credentials;
}
catch (ClassCastException e)
{
throw new InvalidCredentialsException(
"Credentials cannot be used for NTLM authentication: "
+ credentials.getClass().getName());
}
byte[] msgBytes = null;
String response = null;
if (this.state == INITIATED)
{
Type1Message msg = new Type1Message();
// @see http://davenport.sourceforge.net/ntlm.html#theType1Message
// dont' support Unicode
// negotiate OEM
// request authentication realm in Type2 response
// not signed
// not encrypted
// not authenticated
// no lan manager key
// negotiate NTLM
msg.setFlags(0x5206);
msg.setSuppliedWorkstation(ntcredentials.getHost());
msg.setSuppliedDomain(ntcredentials.getDomain());
msgBytes = msg.toByteArray();
this.state = TYPE1_MSG_GENERATED;
}
else if (this.state == TYPE2_MSG_RECEIVED)
{
byte[] msg2Bytes =
Base64.decodeBase64(EncodingUtil.getBytes(
this.ntlmchallenge,
method.getParams().getCredentialCharset()));
try
{
Type2Message msg2 = new Type2Message(msg2Bytes);
Type3Message msg3 =
new Type3Message(msg2, ntcredentials.getPassword(),
ntcredentials.getDomain(), ntcredentials
.getUserName(), ntcredentials.getHost());
msgBytes = msg3.toByteArray();
}
catch (IOException ex)
{
throw new AuthenticationException(
"unable to parse Type2Message", ex);
}
this.state = TYPE3_MSG_GENERATED;
}
else
{
throw new RuntimeException("failed to authenticate");
}
response = EncodingUtil.getAsciiString(Base64.encodeBase64(msgBytes));
return "NTLM " + response;
}
}
そして、このように承認スキームを登録するクラス
import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.NTCredentials;
import org.apache.commons.httpclient.auth.AuthPolicy;
import org.apache.commons.httpclient.auth.AuthScheme;
import org.apache.commons.httpclient.auth.CredentialsNotAvailableException;
import org.apache.commons.httpclient.auth.CredentialsProvider;
import org.apache.commons.httpclient.params.DefaultHttpParams;
import org.apache.commons.httpclient.params.DefaultHttpParamsFactory;
import org.apache.commons.httpclient.params.HttpParams;
/**
* registers NTLM authentication for apache axis
*
*/
public class NtlmJcifsCredentials
{
public static void register(String password)
{
final String username = System.getProperty("user.name");
final String computername = System.getenv("COMPUTERNAME");
final String userDomain = System.getenv("USERDOMAIN");
register(username, password, computername, userDomain);
}
public static void register(String username, String password, String userDomain)
{
final String computername = System.getenv("COMPUTERNAME");
register(username, password, computername, userDomain);
}
public static void register(
String username, String password, String computername, String domain)
{
final NTCredentials ntCred =
new NTCredentials(username, password, computername, domain);
final CredentialsProvider ntlmCredProvider = new CredentialsProvider()
{
public Credentials getCredentials(
AuthScheme scheme, String host, int port, boolean proxy)
throws CredentialsNotAvailableException
{
return ntCred;
}
};
final DefaultHttpParamsFactory paramFact =
new DefaultHttpParamsFactory()
{
@Override
protected HttpParams createParams()
{
HttpParams htp = super.createParams();
htp.setParameter(
CredentialsProvider.PROVIDER,
ntlmCredProvider);
return htp;
}
};
DefaultHttpParams.setHttpParamsFactory(paramFact);
// we want all our jcifs encoding to be ascii
jcifs.Config.setProperty("jcifs.encoding", "ASCII");
// our jcifs implemented NTLM is required for MDW's authentication
AuthPolicy.registerAuthScheme(AuthPolicy.NTLM, JcifsNtlmScheme.class);
}
}
実行時に私は呼び出します
NtlmJcifsCredentials.register(username, password, domain)
エンドポイントスタブを作成しましたが、正常に機能します。有益な副作用として、認証に失敗した場合、これは単に例外をチャックします-デフォルトのApache Commonsクラスは無限に接続を試み続けます-NTLMの場合、アカウントがウィンドウからロックアウトされる可能性があります。