| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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.servlet; |
| |
| import static org.hamcrest.Matchers.containsString; |
| import static org.hamcrest.Matchers.startsWith; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.net.InetSocketAddress; |
| import java.net.Socket; |
| import java.net.SocketAddress; |
| import java.net.URI; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.util.IO; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class ResponseHeadersTest |
| { |
| /** Pretend to be a WebSocket Upgrade (not real) */ |
| @SuppressWarnings("serial") |
| private static class SimulateUpgradeServlet extends HttpServlet |
| { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException |
| { |
| response.setHeader("Upgrade","WebSocket"); |
| response.addHeader("Connection","Upgrade"); |
| response.addHeader("Sec-WebSocket-Accept","123456789=="); |
| |
| response.setStatus(HttpServletResponse.SC_SWITCHING_PROTOCOLS); |
| } |
| } |
| |
| private static Server server; |
| private static ServerConnector connector; |
| private static URI serverUri; |
| |
| @BeforeClass |
| public static void startServer() throws Exception |
| { |
| // Configure Server |
| server = new Server(); |
| connector = new ServerConnector(server); |
| server.addConnector(connector); |
| |
| ServletContextHandler context = new ServletContextHandler(); |
| context.setContextPath("/"); |
| server.setHandler(context); |
| |
| // Serve capture servlet |
| context.addServlet(new ServletHolder(new SimulateUpgradeServlet()),"/*"); |
| |
| // Start Server |
| server.start(); |
| |
| String host = connector.getHost(); |
| if (host == null) |
| { |
| host = "localhost"; |
| } |
| int port = connector.getLocalPort(); |
| serverUri = new URI(String.format("http://%s:%d/",host,port)); |
| } |
| |
| @AfterClass |
| public static void stopServer() |
| { |
| try |
| { |
| server.stop(); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(System.err); |
| } |
| } |
| |
| @Test |
| public void testResponseHeaderFormat() throws IOException |
| { |
| Socket socket = new Socket(); |
| SocketAddress endpoint = new InetSocketAddress(serverUri.getHost(),serverUri.getPort()); |
| socket.connect(endpoint); |
| |
| StringBuilder req = new StringBuilder(); |
| req.append("GET / HTTP/1.1\r\n"); |
| req.append(String.format("Host: %s:%d\r\n",serverUri.getHost(),serverUri.getPort())); |
| req.append("\r\n"); |
| |
| OutputStream out = null; |
| InputStream in = null; |
| try |
| { |
| out = socket.getOutputStream(); |
| in = socket.getInputStream(); |
| |
| // Write request |
| out.write(req.toString().getBytes()); |
| out.flush(); |
| |
| // Read response |
| String respHeader = readResponseHeader(in); |
| |
| // Now test for properly formatted HTTP Response Headers. |
| Assert.assertThat("Response Code",respHeader,startsWith("HTTP/1.1 101 Switching Protocols")); |
| Assert.assertThat("Response Header Upgrade",respHeader,containsString("Upgrade: WebSocket\r\n")); |
| Assert.assertThat("Response Header Connection",respHeader,containsString("Connection: Upgrade\r\n")); |
| } |
| finally |
| { |
| IO.close(in); |
| IO.close(out); |
| socket.close(); |
| } |
| } |
| |
| private String readResponseHeader(InputStream in) throws IOException |
| { |
| InputStreamReader isr = new InputStreamReader(in); |
| BufferedReader reader = new BufferedReader(isr); |
| StringBuilder header = new StringBuilder(); |
| // Read the response header |
| String line = reader.readLine(); |
| Assert.assertNotNull(line); |
| Assert.assertThat(line,startsWith("HTTP/1.1 ")); |
| header.append(line).append("\r\n"); |
| while ((line = reader.readLine()) != null) |
| { |
| if (line.trim().length() == 0) |
| { |
| break; |
| } |
| header.append(line).append("\r\n"); |
| } |
| return header.toString(); |
| } |
| } |