/*

 * Copyright (c) 2010, 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 6648001

 * @run main/othervm/timeout=20 -ea:sun.net.www.protocol.http.AuthenticationInfo -Dhttp.auth.serializeRequests=true Deadlock

 * @summary  cancelling HTTP authentication causes deadlock

 */

import java.util.concurrent.Executors;

import java.util.concurrent.ExecutorService;

import java.io.InputStream;

import java.io.IOException;

import java.net.HttpURLConnection;

import java.net.InetSocketAddress;

import java.net.PasswordAuthentication;

import java.net.URL;

import com.sun.net.httpserver.BasicAuthenticator;

import com.sun.net.httpserver.Headers;

import com.sun.net.httpserver.HttpContext;

import com.sun.net.httpserver.HttpExchange;

import com.sun.net.httpserver.HttpHandler;

import com.sun.net.httpserver.HttpPrincipal;

import com.sun.net.httpserver.HttpServer;

public class Deadlock {

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

        Handler handler = new Handler();

        InetSocketAddress addr = new InetSocketAddress (0);

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

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

        BasicAuthenticator a = new BasicAuthenticator("foobar@test.realm") {

            @Override

            public boolean checkCredentials (String username, String pw) {

                return "fred".equals(username) && pw.charAt(0) == 'x';

            }

        };

        ctx.setAuthenticator(a);

        ExecutorService executor = Executors.newCachedThreadPool();

        server.setExecutor(executor);

        server.start ();

        java.net.Authenticator.setDefault(new MyAuthenticator());

        System.out.print("Deadlock: " );

        for (int i=0; i<2; i++) {

            Runner t = new Runner(server, i);

            t.start();

            t.join();

        }

        server.stop(2);

        executor.shutdown();

        if (error) {

            throw new RuntimeException("test failed error");

        }

        if (count != 2) {

            throw new RuntimeException("test failed count = " + count);

        }

        System.out.println("OK");

    }

    static class Runner extends Thread {

        HttpServer server;

        int i;

        Runner(HttpServer s, int i) {

            server = s;

            this.i = i;

        }

        @Override

        public void run() {

            URL url;

            HttpURLConnection urlc;

            try {

                url = new URL("http://localhost:"+server.getAddress().getPort()+"/test/foo.html");

                urlc = (HttpURLConnection)url.openConnection ();

            } catch (IOException e) {

                error = true;

                return;

            }

            InputStream is = null;

            try {

                is = urlc.getInputStream();

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

            } catch (IOException e) {

                if (i == 1) error = true;

            } finally {

                if (is != null) try { is.close(); } catch (IOException e) {}

            }

        }

    }

    public static boolean error = false;

    public static int count = 0;

    static class MyAuthenticator extends java.net.Authenticator {

        @Override

        public PasswordAuthentication getPasswordAuthentication() {

            PasswordAuthentication pw;

            if (!getRequestingPrompt().equals("foobar@test.realm")) {

                Deadlock.error = true;

            }

            if (count == 0) {

                pw = null;

            } else {

                pw = new PasswordAuthentication("fred", "xyz".toCharArray());

            }

            count++;

            return pw;

        }

    }

    static class Handler implements HttpHandler {

        int invocation = 1;

        @Override

        public void handle (HttpExchange t)

            throws IOException

        {

            InputStream is = t.getRequestBody();

            Headers map = t.getRequestHeaders();

            Headers rmap = t.getResponseHeaders();

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

            is.close();

            t.sendResponseHeaders(200, -1);

            HttpPrincipal p = t.getPrincipal();

            if (!p.getUsername().equals("fred")) {

                error = true;

            }

            if (!p.getRealm().equals("foobar@test.realm")) {

                error = true;

            }

            t.close();

        }

    }

}