NTLMProxyTest.java

/*
 * Copyright (c) 2015 AsyncHttpClient Project. All rights reserved.
 *
 * This program is licensed to you under the Apache License Version 2.0,
 * and you may not use this file except in compliance with the Apache License Version 2.0.
 * You may obtain a copy of the Apache License Version 2.0 at
 *     http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the Apache License Version 2.0 is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
 */
package org.asynchttpclient.proxy;

import static org.asynchttpclient.Dsl.*;

import java.io.IOException;
import java.net.UnknownHostException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.asynchttpclient.AbstractBasicTest;
import org.asynchttpclient.AsyncHttpClient;
import org.asynchttpclient.Realm;
import org.asynchttpclient.Request;
import org.asynchttpclient.Response;
import org.eclipse.jetty.http.HttpStatus;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.testng.Assert;
import org.testng.annotations.Test;

public class NTLMProxyTest extends AbstractBasicTest {

    public static class NTLMProxyHandler extends AbstractHandler {
        
        private AtomicInteger state = new AtomicInteger();

        @Override
        public void handle(String pathInContext, org.eclipse.jetty.server.Request request, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException,
                ServletException {
            
            String authorization = httpRequest.getHeader("Proxy-Authorization");

            boolean asExpected = false;
            
            switch (state.getAndIncrement()) {
                case 0:
                    if (authorization == null) {
                        httpResponse.setStatus(HttpStatus.PROXY_AUTHENTICATION_REQUIRED_407);
                        httpResponse.setHeader("Proxy-Authenticate", "NTLM");
                        asExpected = true;
                    }
                    break;
                    
                case 1:
                    if (authorization.equals("NTLM TlRMTVNTUAABAAAAAYIIogAAAAAoAAAAAAAAACgAAAAFASgKAAAADw==")) {
                        httpResponse.setStatus(HttpStatus.PROXY_AUTHENTICATION_REQUIRED_407);
                        httpResponse.setHeader("Proxy-Authenticate", "NTLM TlRMTVNTUAACAAAAAAAAACgAAAABggAAU3J2Tm9uY2UAAAAAAAAAAA==");
                        asExpected = true;
                    }
                    break;
                    
                case 2:
                    if (authorization
                            .equals("NTLM TlRMTVNTUAADAAAAGAAYAEgAAAAYABgAYAAAABQAFAB4AAAADAAMAIwAAAASABIAmAAAAAAAAACqAAAAAYIAAgUBKAoAAAAPrYfKbe/jRoW5xDxHeoxC1gBmfWiS5+iX4OAN4xBKG/IFPwfH3agtPEia6YnhsADTVQBSAFMAQQAtAE0ASQBOAE8AUgBaAGEAcABoAG8AZABMAEkARwBIAFQAQwBJAFQAWQA=")) {
                        httpResponse.setStatus(HttpStatus.OK_200);
                        asExpected = true;
                    }
                    break;
                
                default:
            }
            
            if (!asExpected) {
                httpResponse.setStatus(HttpStatus.FORBIDDEN_403);
            }
            httpResponse.setContentLength(0);
            httpResponse.getOutputStream().flush();
            httpResponse.getOutputStream().close();
        }
    }

    @Override
    public AbstractHandler configureHandler() throws Exception {
        return new NTLMProxyHandler();
    }

    @Test(groups = "standalone")
    public void ntlmProxyTest() throws IOException, InterruptedException, ExecutionException {

        try (AsyncHttpClient client = asyncHttpClient()) {
            Request request = get("http://localhost").setProxyServer(ntlmProxy()).build();
            Future<Response> responseFuture = client.executeRequest(request);
            int status = responseFuture.get().getStatusCode();
            Assert.assertEquals(status, 200);
        }
    }

    private ProxyServer ntlmProxy() throws UnknownHostException {
        Realm realm = ntlmAuthRealm("Zaphod", "Beeblebrox")//
                .setNtlmDomain("Ursa-Minor")//
                .setNtlmHost("LightCity")//
                .build();
        return proxyServer("localhost", port2).setRealm(realm).build();
    }
}