| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 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.proxy; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.net.Socket; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.client.HttpClient; |
| import org.eclipse.jetty.client.HttpProxy; |
| import org.eclipse.jetty.client.api.ContentProvider; |
| import org.eclipse.jetty.client.api.ContentResponse; |
| import org.eclipse.jetty.client.api.Request; |
| import org.eclipse.jetty.client.api.Response; |
| import org.eclipse.jetty.client.util.BytesContentProvider; |
| import org.eclipse.jetty.client.util.DeferredContentProvider; |
| import org.eclipse.jetty.server.HttpConnectionFactory; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.servlet.ServletContextHandler; |
| import org.eclipse.jetty.servlet.ServletHandler; |
| import org.eclipse.jetty.servlet.ServletHolder; |
| import org.eclipse.jetty.toolchain.test.TestTracker; |
| import org.eclipse.jetty.toolchain.test.http.SimpleHttpParser; |
| import org.eclipse.jetty.toolchain.test.http.SimpleHttpResponse; |
| import org.eclipse.jetty.util.Callback; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.StdErrLog; |
| import org.eclipse.jetty.util.thread.QueuedThreadPool; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ProxyServletFailureTest |
| { |
| private static final String PROXIED_HEADER = "X-Proxied"; |
| |
| @Parameterized.Parameters |
| public static Iterable<Object[]> data() |
| { |
| return Arrays.asList(new Object[][]{ |
| {ProxyServlet.class}, |
| {AsyncProxyServlet.class} |
| }); |
| } |
| |
| @Rule |
| public final TestTracker tracker = new TestTracker(); |
| private HttpClient client; |
| private Server proxy; |
| private ServerConnector proxyConnector; |
| private ProxyServlet proxyServlet; |
| private Server server; |
| private ServerConnector serverConnector; |
| |
| public ProxyServletFailureTest(Class<?> proxyServletClass) throws Exception |
| { |
| this.proxyServlet = (ProxyServlet)proxyServletClass.newInstance(); |
| } |
| |
| private void prepareProxy() throws Exception |
| { |
| prepareProxy(new HashMap<String, String>()); |
| } |
| |
| private void prepareProxy(Map<String, String> initParams) throws Exception |
| { |
| QueuedThreadPool executor = new QueuedThreadPool(); |
| executor.setName("proxy"); |
| proxy = new Server(executor); |
| proxyConnector = new ServerConnector(proxy); |
| proxy.addConnector(proxyConnector); |
| proxyConnector.getConnectionFactory(HttpConnectionFactory.class).getHttpConfiguration().setDelayDispatchUntilContent(false); |
| |
| ServletContextHandler proxyCtx = new ServletContextHandler(proxy, "/", true, false); |
| ServletHolder proxyServletHolder = new ServletHolder(proxyServlet); |
| proxyServletHolder.setInitParameters(initParams); |
| proxyCtx.addServlet(proxyServletHolder, "/*"); |
| |
| proxy.start(); |
| |
| client = prepareClient(); |
| } |
| |
| private HttpClient prepareClient() throws Exception |
| { |
| HttpClient result = new HttpClient(); |
| QueuedThreadPool executor = new QueuedThreadPool(); |
| executor.setName("client"); |
| result.setExecutor(executor); |
| result.getProxyConfiguration().getProxies().add(new HttpProxy("localhost", proxyConnector.getLocalPort())); |
| result.start(); |
| return result; |
| } |
| |
| private void prepareServer(HttpServlet servlet) throws Exception |
| { |
| QueuedThreadPool executor = new QueuedThreadPool(); |
| executor.setName("server"); |
| server = new Server(executor); |
| serverConnector = new ServerConnector(server); |
| server.addConnector(serverConnector); |
| |
| ServletContextHandler appCtx = new ServletContextHandler(server, "/", true, false); |
| ServletHolder appServletHolder = new ServletHolder(servlet); |
| appCtx.addServlet(appServletHolder, "/*"); |
| |
| server.start(); |
| } |
| |
| @After |
| public void disposeProxy() throws Exception |
| { |
| client.stop(); |
| proxy.stop(); |
| } |
| |
| @After |
| public void disposeServer() throws Exception |
| { |
| server.stop(); |
| } |
| |
| @Test |
| public void testClientRequestStallsHeadersProxyIdlesTimeout() throws Exception |
| { |
| prepareProxy(); |
| int idleTimeout = 2000; |
| proxyConnector.setIdleTimeout(idleTimeout); |
| |
| prepareServer(new EchoHttpServlet()); |
| |
| try (Socket socket = new Socket("localhost", proxyConnector.getLocalPort())) |
| { |
| String serverHostPort = "localhost:" + serverConnector.getLocalPort(); |
| String request = "" + |
| "GET http://" + serverHostPort + " HTTP/1.1\r\n" + |
| "Host: " + serverHostPort + "\r\n"; |
| // Don't sent the \r\n that would signal the end of the headers. |
| OutputStream output = socket.getOutputStream(); |
| output.write(request.getBytes("UTF-8")); |
| output.flush(); |
| |
| // Wait for idle timeout to fire. |
| |
| socket.setSoTimeout(2 * idleTimeout); |
| InputStream input = socket.getInputStream(); |
| Assert.assertEquals(-1, input.read()); |
| } |
| } |
| |
| @Test |
| public void testClientRequestDoesNotSendContentProxyIdlesTimeout() throws Exception |
| { |
| prepareProxy(); |
| int idleTimeout = 2000; |
| proxyConnector.setIdleTimeout(idleTimeout); |
| |
| prepareServer(new EchoHttpServlet()); |
| |
| try (Socket socket = new Socket("localhost", proxyConnector.getLocalPort())) |
| { |
| String serverHostPort = "localhost:" + serverConnector.getLocalPort(); |
| String request = "" + |
| "GET http://" + serverHostPort + " HTTP/1.1\r\n" + |
| "Host: " + serverHostPort + "\r\n" + |
| "Content-Length: 1\r\n" + |
| "\r\n"; |
| OutputStream output = socket.getOutputStream(); |
| output.write(request.getBytes("UTF-8")); |
| output.flush(); |
| |
| // Do not send the promised content, wait to idle timeout. |
| |
| socket.setSoTimeout(2 * idleTimeout); |
| SimpleHttpParser parser = new SimpleHttpParser(); |
| BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8")); |
| SimpleHttpResponse response = parser.readResponse(reader); |
| Assert.assertTrue(Integer.parseInt(response.getCode()) >= 500); |
| String connectionHeader = response.getHeaders().get("connection"); |
| Assert.assertNotNull(connectionHeader); |
| Assert.assertTrue(connectionHeader.contains("close")); |
| Assert.assertEquals(-1, reader.read()); |
| } |
| } |
| |
| @Test |
| public void testClientRequestStallsContentProxyIdlesTimeout() throws Exception |
| { |
| prepareProxy(); |
| int idleTimeout = 2000; |
| proxyConnector.setIdleTimeout(idleTimeout); |
| |
| prepareServer(new EchoHttpServlet()); |
| |
| try (Socket socket = new Socket("localhost", proxyConnector.getLocalPort())) |
| { |
| String serverHostPort = "localhost:" + serverConnector.getLocalPort(); |
| String request = "" + |
| "GET http://" + serverHostPort + " HTTP/1.1\r\n" + |
| "Host: " + serverHostPort + "\r\n" + |
| "Content-Length: 2\r\n" + |
| "\r\n" + |
| "Z"; |
| OutputStream output = socket.getOutputStream(); |
| output.write(request.getBytes("UTF-8")); |
| output.flush(); |
| |
| // Do not send all the promised content, wait to idle timeout. |
| |
| socket.setSoTimeout(2 * idleTimeout); |
| SimpleHttpParser parser = new SimpleHttpParser(); |
| BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8")); |
| SimpleHttpResponse response = parser.readResponse(reader); |
| Assert.assertTrue(Integer.parseInt(response.getCode()) >= 500); |
| String connectionHeader = response.getHeaders().get("connection"); |
| Assert.assertNotNull(connectionHeader); |
| Assert.assertTrue(connectionHeader.contains("close")); |
| Assert.assertEquals(-1, reader.read()); |
| } |
| } |
| |
| @Test |
| public void testProxyRequestStallsContentServerIdlesTimeout() throws Exception |
| { |
| final byte[] content = new byte[]{'C', '0', 'F', 'F', 'E', 'E'}; |
| if (proxyServlet instanceof AsyncProxyServlet) |
| { |
| proxyServlet = new AsyncProxyServlet() |
| { |
| @Override |
| protected ContentProvider proxyRequestContent(HttpServletRequest request, HttpServletResponse response, Request proxyRequest) throws IOException |
| { |
| DeferredContentProvider provider = new DeferredContentProvider() |
| { |
| @Override |
| public boolean offer(ByteBuffer buffer, Callback callback) |
| { |
| // Send less content to trigger the test condition. |
| buffer.limit(buffer.limit() - 1); |
| return super.offer(buffer.slice(), callback); |
| } |
| }; |
| request.getInputStream().setReadListener(newReadListener(request, response, proxyRequest, provider)); |
| return provider; |
| } |
| }; |
| } |
| else |
| { |
| proxyServlet = new ProxyServlet() |
| { |
| @Override |
| protected ContentProvider proxyRequestContent(HttpServletRequest request, HttpServletResponse response, Request proxyRequest) throws IOException |
| { |
| return new BytesContentProvider(content) |
| { |
| @Override |
| public long getLength() |
| { |
| // Increase the content length to trigger the test condition. |
| return content.length + 1; |
| } |
| }; |
| } |
| }; |
| } |
| |
| prepareProxy(); |
| prepareServer(new EchoHttpServlet()); |
| long idleTimeout = 1000; |
| serverConnector.setIdleTimeout(idleTimeout); |
| |
| ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()) |
| .content(new BytesContentProvider(content)) |
| .send(); |
| |
| Assert.assertEquals(500, response.getStatus()); |
| } |
| |
| @Test(expected = TimeoutException.class) |
| public void testClientRequestExpires() throws Exception |
| { |
| prepareProxy(); |
| final long timeout = 1000; |
| proxyServlet.setTimeout(3 * timeout); |
| prepareServer(new HttpServlet() |
| { |
| @Override |
| protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException |
| { |
| try |
| { |
| TimeUnit.MILLISECONDS.sleep(2 * timeout); |
| } |
| catch (InterruptedException x) |
| { |
| throw new ServletException(x); |
| } |
| } |
| }); |
| |
| client.newRequest("localhost", serverConnector.getLocalPort()) |
| .timeout(timeout, TimeUnit.MILLISECONDS) |
| .send(); |
| Assert.fail(); |
| } |
| |
| @Test |
| public void testProxyRequestExpired() throws Exception |
| { |
| prepareProxy(); |
| final long timeout = 1000; |
| proxyServlet.setTimeout(timeout); |
| prepareServer(new HttpServlet() |
| { |
| @Override |
| protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException |
| { |
| if (request.getHeader("Via") != null) |
| response.addHeader(PROXIED_HEADER, "true"); |
| try |
| { |
| TimeUnit.MILLISECONDS.sleep(2 * timeout); |
| } |
| catch (InterruptedException x) |
| { |
| throw new ServletException(x); |
| } |
| } |
| }); |
| |
| Response response = client.newRequest("localhost", serverConnector.getLocalPort()) |
| .timeout(3 * timeout, TimeUnit.MILLISECONDS) |
| .send(); |
| Assert.assertEquals(504, response.getStatus()); |
| Assert.assertFalse(response.getHeaders().containsKey(PROXIED_HEADER)); |
| } |
| |
| @Test |
| public void testServerDown() throws Exception |
| { |
| prepareProxy(); |
| prepareServer(new EmptyHttpServlet()); |
| |
| // Shutdown the server |
| int serverPort = serverConnector.getLocalPort(); |
| server.stop(); |
| |
| ContentResponse response = client.newRequest("localhost", serverPort) |
| .timeout(5, TimeUnit.SECONDS) |
| .send(); |
| |
| Assert.assertEquals(502, response.getStatus()); |
| } |
| |
| @Test |
| public void testServerException() throws Exception |
| { |
| ((StdErrLog)Log.getLogger(ServletHandler.class)).setHideStacks(true); |
| try |
| { |
| prepareProxy(); |
| prepareServer(new HttpServlet() |
| { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| throw new ServletException("Expected Test Exception"); |
| } |
| }); |
| |
| ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()) |
| .timeout(5, TimeUnit.SECONDS) |
| .send(); |
| |
| Assert.assertEquals(500, response.getStatus()); |
| } |
| finally |
| { |
| ((StdErrLog)Log.getLogger(ServletHandler.class)).setHideStacks(false); |
| } |
| } |
| } |