| /* |
| * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4458085 7095949 |
| * @library /test/lib |
| * @summary Redirects Limited to 5 |
| */ |
| |
| /* |
| * Simulate a server that redirects ( to a different URL) 9 times |
| * and see if the client correctly follows the trail |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.util.concurrent.CountDownLatch; |
| |
| import jdk.test.lib.net.URIBuilder; |
| |
| class RedirLimitServer extends Thread { |
| static final int TIMEOUT = 20 * 1000; |
| static final int NUM_REDIRECTS = 9; |
| |
| static final String reply1 = "HTTP/1.1 307 Temporary Redirect\r\n" + |
| "Date: Mon, 15 Jan 2001 12:18:21 GMT\r\n" + |
| "Server: Apache/1.3.14 (Unix)\r\n" + |
| "Location: http://localhost:"; |
| static final String reply2 = ".html\r\n" + |
| "Connection: close\r\n" + |
| "Content-Type: text/html; charset=iso-8859-1\r\n\r\n" + |
| "<html>Hello</html>"; |
| static final String reply3 = "HTTP/1.1 200 Ok\r\n" + |
| "Date: Mon, 15 Jan 2001 12:18:21 GMT\r\n" + |
| "Server: Apache/1.3.14 (Unix)\r\n" + |
| "Connection: close\r\n" + |
| "Content-Type: text/html; charset=iso-8859-1\r\n\r\n" + |
| "World"; |
| |
| final ServerSocket ss; |
| final int port; |
| final CountDownLatch readyToStart = new CountDownLatch(1); |
| |
| RedirLimitServer(ServerSocket ss) throws IOException { |
| this.ss = ss; |
| port = this.ss.getLocalPort(); |
| this.ss.setSoTimeout(TIMEOUT); |
| } |
| |
| static final byte[] requestEnd = new byte[] {'\r', '\n', '\r', '\n' }; |
| |
| // Read until the end of a HTTP request |
| void readOneRequest(InputStream is) throws IOException { |
| int requestEndCount = 0, r; |
| while ((r = is.read()) != -1) { |
| if (r == requestEnd[requestEndCount]) { |
| requestEndCount++; |
| if (requestEndCount == 4) { |
| break; |
| } |
| } else { |
| requestEndCount = 0; |
| } |
| } |
| } |
| |
| public void run() { |
| try { |
| readyToStart.countDown(); |
| for (int i=0; i<NUM_REDIRECTS; i++) { |
| try (Socket s = ss.accept()) { |
| s.setSoTimeout(TIMEOUT); |
| readOneRequest(s.getInputStream()); |
| String reply = reply1 + port + "/redirect" + i + reply2; |
| s.getOutputStream().write(reply.getBytes()); |
| } |
| } |
| try (Socket s = ss.accept()) { |
| s.setSoTimeout(TIMEOUT); |
| readOneRequest(s.getInputStream()); |
| s.getOutputStream().write(reply3.getBytes()); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| }; |
| |
| public class RedirectLimit { |
| public static void main(String[] args) throws Exception { |
| try (ServerSocket ss = new ServerSocket(0, 0, InetAddress.getLoopbackAddress())) { |
| int port = ss.getLocalPort(); |
| RedirLimitServer server = new RedirLimitServer(ss); |
| server.start(); |
| server.readyToStart.await(); |
| URL url = URIBuilder.newBuilder() |
| .scheme("http") |
| .loopback() |
| .port(port) |
| .toURL(); |
| URLConnection conURL = url.openConnection(Proxy.NO_PROXY); |
| |
| conURL.setDoInput(true); |
| conURL.setAllowUserInteraction(false); |
| conURL.setUseCaches(false); |
| |
| try (InputStream in = conURL.getInputStream()) { |
| if ((in.read() != (int) 'W') || (in.read() != (int) 'o')) { |
| throw new RuntimeException("Unexpected string read"); |
| } |
| } |
| } |
| } |
| } |