| // |
| // ======================================================================== |
| // 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.HttpHeaders; |
| 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; |
| } |
| |
| public String getAuthMethod() |
| { |
| return _authMethod; |
| } |
| |
| |
| |
| public Authentication validateRequest(ServletRequest request, ServletResponse response, boolean mandatory) throws ServerAuthException |
| { |
| HttpServletRequest req = (HttpServletRequest)request; |
| HttpServletResponse res = (HttpServletResponse)response; |
| |
| String header = req.getHeader(HttpHeaders.AUTHORIZATION); |
| |
| 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(HttpHeaders.WWW_AUTHENTICATE, HttpHeaders.NEGOTIATE); |
| res.sendError(HttpServletResponse.SC_UNAUTHORIZED); |
| return Authentication.SEND_CONTINUE; |
| } |
| catch (IOException ioe) |
| { |
| throw new ServerAuthException(ioe); |
| } |
| } |
| else if (header != null && header.startsWith(HttpHeaders.NEGOTIATE)) |
| { |
| String spnegoToken = header.substring(10); |
| |
| UserIdentity user = login(null,spnegoToken, request); |
| |
| if ( user != null ) |
| { |
| return new UserAuthentication(getAuthMethod(),user); |
| } |
| } |
| |
| return Authentication.UNAUTHENTICATED; |
| } |
| |
| public boolean secureResponse(ServletRequest request, ServletResponse response, boolean mandatory, User validatedUser) throws ServerAuthException |
| { |
| return true; |
| } |
| |
| } |