/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug 6393710

 * @summary  Non authenticated call followed by authenticated call never returns

 * @run main B6393710

 * @run main/othervm -Djava.net.preferIPv6Addresses=true B6393710

 */

import com.sun.net.httpserver.*;

import java.util.*;

import java.util.concurrent.*;

import java.io.*;

import java.net.*;

/*

 * Test checks for following bug(s) when a POST containing a request body

 * needs to be authenticated

 *

 * 1) we were not reading the request body

 *

 * 2) we were not re-enabling the interestops for the socket channel

 */

public class B6393710 {

    static String CRLF = "\r\n";

    /* Two post requests containing data. The second one

     * has the expected authorization credentials

     */

    static String cmd =

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

        "Content-Length: 22"+CRLF+

        "Pragma: no-cache"+CRLF+

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

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

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

        "Content-Length: 22"+CRLF+

        "Pragma: no-cache"+CRLF+

        "Authorization: Basic ZnJlZDpmcmVkcGFzc3dvcmQ="+CRLF+

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

        "<item desc=\"excuse\" />";

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

        Handler handler = new Handler();

        InetAddress loopback = InetAddress.getLoopbackAddress();

        InetSocketAddress addr = new InetSocketAddress (loopback, 0);

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

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

        ctx.setAuthenticator (new BasicAuthenticator ("test") {

            public boolean checkCredentials (String user, String pass) {

                return user.equals ("fred") && pass.equals("fredpassword");

            }

        });

        server.start ();

        Socket s = new Socket (loopback, server.getAddress().getPort());

        s.setSoTimeout (5000);

        OutputStream os = s.getOutputStream();

        os.write (cmd.getBytes());

        InputStream is = s.getInputStream ();

        try {

            ok = readAndCheck (is, "401 Unauthorized") &&

                 readAndCheck (is, "200 OK");

        } catch (SocketTimeoutException e) {

            System.out.println ("Did not received expected data");

            ok = false;

        } finally {

            s.close();

            server.stop(2);

        }

        if (requests != 1) {

            throw new RuntimeException ("server handler did not receive the request");

        }

        if (!ok) {

            throw new RuntimeException ("did not get 200 OK");

        }

        System.out.println ("OK");

    }

    /* check for expected string and return true if found in stream */

    static boolean readAndCheck (InputStream is, String expected) throws IOException {

        int c;

        int count = 0;

        int expLen = expected.length();

        expected = expected.toLowerCase();

        while ((c=is.read()) != -1) {

            c = Character.toLowerCase (c);

            if (c == expected.charAt (count)) {

                count ++;

                if (count == expLen) {

                    return true;

                }

            } else {

                count = 0;

            }

        }

        return false;

    }

    public static boolean ok = false;

    static int requests = 0;

    static class Handler implements HttpHandler {

        int invocation = 1;

        public void handle (HttpExchange t)

            throws IOException

        {

            int count = 0;

            InputStream is = t.getRequestBody();

            Headers map = t.getRequestHeaders();

            Headers rmap = t.getResponseHeaders();

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

                count ++;

            }

            if (count != 22) {

                System.out.println ("Handler expected 22. got " + count);

                ok = false;

            }

            is.close();

            t.sendResponseHeaders (200, -1);

            t.close();

            requests ++;

        }

    }

}