/*

 * Copyright (c) 2003, 2012, 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 4924226

 * @summary PIT: Can no launch jnlp application via 127.0.0.1 address on the web server

 * @modules java.base/sun.net.www

 * @library ../../../sun/net/www/httptest/

 * @build ClosedChannelList TestHttpServer HttpTransaction HttpCallback

 * @compile LoopbackAddresses.java

 * @run main/othervm LoopbackAddresses

 */

import java.net.*;

import java.io.*;

/**

 * Our default proxy selector should bypass localhost and loopback

 * addresses when selecting proxies. This is the existing behaviour.

 */

public class LoopbackAddresses implements HttpCallback {

    static TestHttpServer server;

    public void request (HttpTransaction req) {

        req.setResponseEntityBody ("Hello .");

        try {

            req.sendResponse (200, "Ok");

            req.orderlyClose();

        } catch (IOException e) {

        }

    }

    public static void main(String[] args) {

        try {

            server = new TestHttpServer (new LoopbackAddresses(), 1, 10, 0);

            ProxyServer pserver = new ProxyServer(InetAddress.getByName("localhost"), server.getLocalPort());

            // start proxy server

            new Thread(pserver).start();

            System.setProperty("http.proxyHost", "localhost");

            System.setProperty("http.proxyPort", pserver.getPort()+"");

            URL url = new URL("http://localhost:"+server.getLocalPort());

            try {

                HttpURLConnection urlc = (HttpURLConnection)url.openConnection ();

                int respCode = urlc.getResponseCode();

                urlc.disconnect();

            } catch (IOException ioex) {

                throw new RuntimeException("direct connection should succeed :"+ioex.getMessage());

            }

            try {

                url = new URL("http://127.0.0.1:"+server.getLocalPort());

                HttpURLConnection urlc = (HttpURLConnection)url.openConnection ();

                int respCode = urlc.getResponseCode();

                urlc.disconnect();

            } catch (IOException ioex) {

                throw new RuntimeException("direct connection should succeed :"+ioex.getMessage());

            }

        } catch (Exception e) {

            throw new RuntimeException(e);

        } finally {

            if (server != null) {

                server.terminate();

            }

        }

    }

    private static class ProxyServer extends Thread {

        private static ServerSocket ss = null;

        // client requesting for a tunnel

        private Socket clientSocket = null;

        /*

         * Origin server's address and port that the client

         * wants to establish the tunnel for communication.  */

        private InetAddress serverInetAddr;

        private int     serverPort;

        public ProxyServer(InetAddress server, int port) throws IOException {

            serverInetAddr = server;

            serverPort = port;

            ss = new ServerSocket(0);

        }

        public void run() {

            try {

                clientSocket = ss.accept();

                throw new RuntimeException("loopback addresses shouldn't go through the proxy "+clientSocket);

            } catch (IOException e) {

                System.out.println("Proxy Failed: " + e);

                e.printStackTrace();

            } finally {

                try {

                    ss.close();

                }

                catch (IOException excep) {

                    System.out.println("ProxyServer close error: " + excep);

                    excep.printStackTrace();

                }

            }

        }

        /**

***************************************************************

*                       helper methods follow

***************************************************************

*/

        public int getPort() {

            return ss.getLocalPort();

        }

    }

}