//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.security.authentication;
import java.io.IOException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.security.ServerAuthException;
import org.eclipse.jetty.security.UserAuthentication;
import org.eclipse.jetty.server.Authentication;
import org.eclipse.jetty.server.Authentication.User;
import org.eclipse.jetty.server.UserIdentity;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.security.Constraint;
public class SpnegoAuthenticator extends LoginAuthenticator
{
private static final Logger LOG = Log.getLogger(SpnegoAuthenticator.class);
private String _authMethod = Constraint.__SPNEGO_AUTH;
public SpnegoAuthenticator()
{
}
/**
* Allow for a custom authMethod value to be set for instances where SPENGO may not be appropriate
* @param authMethod
*/
public SpnegoAuthenticator( String authMethod )
{
_authMethod = authMethod;
}
@Override
public String getAuthMethod()
{
return _authMethod;
}
@Override
public Authentication validateRequest(ServletRequest request, ServletResponse response, boolean mandatory) throws ServerAuthException
{
HttpServletRequest req = (HttpServletRequest)request;
HttpServletResponse res = (HttpServletResponse)response;
String header = req.getHeader(HttpHeader.AUTHORIZATION.asString());
if (!mandatory)
{
return new DeferredAuthentication(this);
}
// check to see if we have authorization headers required to continue
if ( header == null )
{
try
{
if (DeferredAuthentication.isDeferred(res))
{
return Authentication.UNAUTHENTICATED;
}
LOG.debug("SpengoAuthenticator: sending challenge");
res.setHeader(HttpHeader.WWW_AUTHENTICATE.asString(), HttpHeader.NEGOTIATE.asString());
res.sendError(HttpServletResponse.SC_UNAUTHORIZED);
return Authentication.SEND_CONTINUE;
}
catch (IOException ioe)
{
throw new ServerAuthException(ioe);
}
}
else if (header != null && header.startsWith(HttpHeader.NEGOTIATE.asString()))
{
String spnegoToken = header.substring(10);
UserIdentity user = login(null,spnegoToken, request);
if ( user != null )
{
return new UserAuthentication(getAuthMethod(),user);
}
}
return Authentication.UNAUTHENTICATED;
}
@Override
public boolean secureResponse(ServletRequest request, ServletResponse response, boolean mandatory, User validatedUser) throws ServerAuthException
{
return true;
}
}