/*

 * Copyright (c) 2006, 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

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 */

/**

 * @test

 * @bug 6433018

 * @summary  HTTP server sometimes sends bad request for browsers javascript

 * @run main B6433018

 * @run main/othervm -Djava.net.preferIPv6Addresses=true B6433018

 */

import com.sun.net.httpserver.*;

import java.util.concurrent.*;

import java.io.*;

import java.net.*;

public class B6433018 {

    static final String CRLF = "\r\n";

    /* invalid HTTP POST with extra CRLF at end */

    /* This checks that the server is able to handle it

     * and recognise the second request */

    static final String cmd =

        "POST /test/item HTTP/1.1"+CRLF+

        "Keep-Alive: 300"+CRLF+

        "Proxy-Connection: keep-alive"+CRLF+

        "Content-Type: text/xml"+CRLF+

        "Content-Length: 22"+CRLF+

        "Pragma: no-cache"+CRLF+

        "Cache-Control: no-cache"+CRLF+ CRLF+

        "<item desc=\"excuse\" />"+CRLF+

        "GET /test/items HTTP/1.1"+CRLF+

        "Host: araku:9999"+CRLF+

        "Accept-Language: en-us,en;q=0.5"+CRLF+

        "Accept-Encoding: gzip,deflate"+CRLF+

        "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"+CRLF+

        "Keep-Alive: 300"+CRLF+

        "Proxy-Connection: keep-alive"+CRLF+

        "Pragma: no-cache"+CRLF+

        "Cache-Control: no-cache"+CRLF+CRLF;

    public static void main(String[] args) throws Exception {

        CountDownLatch finished = new CountDownLatch(2);

        Handler handler = new Handler(finished);

        InetAddress loopback = InetAddress.getLoopbackAddress();

        InetSocketAddress addr = new InetSocketAddress(loopback, 0);

        HttpServer server = HttpServer.create(addr, 0);

        HttpContext ctx = server.createContext("/test", handler);

        server.start();

        int port = server.getAddress().getPort();

        try (Socket s = new Socket(loopback, port);

             OutputStream os = s.getOutputStream()) {

            os.write(cmd.getBytes());

            finished.await(30, TimeUnit.SECONDS);

        } finally {

            server.stop(2);

        }

        if (finished.getCount() != 0)

            throw new RuntimeException("did not receive the 2 requests");

        System.out.println("OK");

    }

    static class Handler implements HttpHandler {

        private final CountDownLatch finished;

        Handler(CountDownLatch finished) {

            this.finished = finished;

        }

        @Override

        public void handle(HttpExchange t) throws IOException {

            try (InputStream is = t.getRequestBody()) {

                Headers map = t.getRequestHeaders();

                Headers rmap = t.getResponseHeaders();

                while (is.read() != -1);

            }

            t.sendResponseHeaders(200, -1);

            t.close();

            finished.countDown();

        }

    }

}