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package org.eclipse.jetty.client;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpHeaders;
import org.eclipse.jetty.http.HttpMethods;
import org.eclipse.jetty.http.MimeTypes;
import org.eclipse.jetty.http.ssl.SslContextFactory;
import org.eclipse.jetty.io.ByteArrayBuffer;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.eclipse.jetty.server.handler.ConnectHandler;
import org.eclipse.jetty.server.nio.SelectChannelConnector;
import org.eclipse.jetty.server.ssl.SslSelectChannelConnector;
import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.junit.After;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class ProxyTunnellingTest
{
private Server server;
private Connector serverConnector;
private Server proxy;
private Connector proxyConnector;
private int serverConnectTimeout = 1000;
private void startSSLServer(Handler handler) throws Exception
{
SslSelectChannelConnector connector = new SslSelectChannelConnector();
String keyStorePath = MavenTestingUtils.getTestResourceFile("keystore").getAbsolutePath();
SslContextFactory cf = connector.getSslContextFactory();
cf.setKeyStore(keyStorePath);
cf.setKeyStorePassword("storepwd");
cf.setKeyManagerPassword("keypwd");
startServer(connector, handler);
}
private void startServer(Connector connector, Handler handler) throws Exception
{
server = new Server();
serverConnector = connector;
server.addConnector(serverConnector);
server.setHandler(handler);
server.start();
}
private void startProxy() throws Exception
{
proxy = new Server();
proxyConnector = new SelectChannelConnector();
proxy.addConnector(proxyConnector);
ConnectHandler connectHandler = new ConnectHandler();
// Under Windows, it takes a while to detect that a connection
// attempt fails, so use an explicit timeout
connectHandler.setConnectTimeout(serverConnectTimeout);
proxy.setHandler(connectHandler);
proxy.start();
}
@After
public void stop() throws Exception
{
stopProxy();
stopServer();
}
private void stopServer() throws Exception
{
server.stop();
server.join();
}
private void stopProxy() throws Exception
{
proxy.stop();
proxy.join();
}
@Test
public void testOneMessageSSL() throws Exception
{
startSSLServer(new ServerHandler());
startProxy();
HttpClient httpClient = new HttpClient();
httpClient.setProxy(new Address("localhost", proxyConnector.getLocalPort()));
httpClient.start();
try
{
ContentExchange exchange = new ContentExchange(true);
exchange.setMethod(HttpMethods.GET);
String body = "BODY";
exchange.setURL("https://localhost:" + serverConnector.getLocalPort() + "/echo?body=" + URLEncoder.encode(body, "UTF-8"));
httpClient.send(exchange);
assertEquals(HttpExchange.STATUS_COMPLETED, exchange.waitForDone());
String content = exchange.getResponseContent();
assertEquals(body, content);
}
finally
{
httpClient.stop();
}
}
@Test
public void testTwoMessagesSSL() throws Exception
{
startSSLServer(new ServerHandler());
startProxy();
HttpClient httpClient = new HttpClient();
httpClient.setProxy(new Address("localhost", proxyConnector.getLocalPort()));
httpClient.start();
try
{
ContentExchange exchange = new ContentExchange(true);
exchange.setMethod(HttpMethods.GET);
String body = "BODY";
exchange.setURL("https://localhost:" + serverConnector.getLocalPort() + "/echo?body=" + URLEncoder.encode(body, "UTF-8"));
httpClient.send(exchange);
assertEquals(HttpExchange.STATUS_COMPLETED, exchange.waitForDone());
String content = exchange.getResponseContent();
assertEquals(body, content);
exchange = new ContentExchange(true);
exchange.setMethod(HttpMethods.POST);
exchange.setURL("https://localhost:" + serverConnector.getLocalPort() + "/echo");
exchange.setRequestHeader(HttpHeaders.CONTENT_TYPE, MimeTypes.FORM_ENCODED);
content = "body=" + body;
exchange.setRequestHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(content.length()));
exchange.setRequestContent(new ByteArrayBuffer(content, "UTF-8"));
httpClient.send(exchange);
assertEquals(HttpExchange.STATUS_COMPLETED, exchange.waitForDone());
content = exchange.getResponseContent();
assertEquals(body, content);
}
finally
{
httpClient.stop();
}
}
@Test
public void testProxyDown() throws Exception
{
startSSLServer(new ServerHandler());
startProxy();
int proxyPort = proxyConnector.getLocalPort();
stopProxy();
HttpClient httpClient = new HttpClient();
httpClient.setProxy(new Address("localhost", proxyPort));
httpClient.start();
try
{
final CountDownLatch latch = new CountDownLatch(1);
ContentExchange exchange = new ContentExchange(true)
{
@Override
protected void onConnectionFailed(Throwable x)
{
latch.countDown();
}
};
exchange.setMethod(HttpMethods.GET);
String body = "BODY";
exchange.setURL("https://localhost:" + serverConnector.getLocalPort() + "/echo?body=" + URLEncoder.encode(body, "UTF-8"));
httpClient.send(exchange);
assertTrue(latch.await(1000, TimeUnit.MILLISECONDS));
}
finally
{
httpClient.stop();
}
}
@Test
public void testServerDown() throws Exception
{
startSSLServer(new ServerHandler());
int serverPort = serverConnector.getLocalPort();
stopServer();
startProxy();
HttpClient httpClient = new HttpClient();
httpClient.setProxy(new Address("localhost", proxyConnector.getLocalPort()));
httpClient.start();
try
{
final CountDownLatch latch = new CountDownLatch(1);
ContentExchange exchange = new ContentExchange(true)
{
@Override
protected void onConnectionFailed(Throwable x)
{
latch.countDown();
}
};
exchange.setMethod(HttpMethods.GET);
String body = "BODY";
exchange.setURL("https://localhost:" + serverPort + "/echo?body=" + URLEncoder.encode(body, "UTF-8"));
httpClient.send(exchange);
assertTrue(latch.await(serverConnectTimeout * 2, TimeUnit.MILLISECONDS));
}
finally
{
httpClient.stop();
}
}
private static class ServerHandler extends AbstractHandler
{
public void handle(String target, Request request, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException, ServletException
{
request.setHandled(true);
String uri = httpRequest.getRequestURI();
if ("/echo".equals(uri))
{
String body = httpRequest.getParameter("body");
ServletOutputStream output = httpResponse.getOutputStream();
output.print(body);
}
else
{
throw new ServletException();
}
}
}
}
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