/*

 * Copyright (c) 2014, 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 8047031

 * @summary SocketPermission tests for legacy socket types

 * @library ../../../lib/testlibrary

 * @run testng/othervm/policy=policy SocketPermissionTest

 */

import java.io.IOException;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

import java.net.MulticastSocket;

import java.net.ServerSocket;

import java.net.Socket;

import java.net.SocketPermission;

import java.security.AccessControlContext;

import java.security.AccessController;

import java.security.Permission;

import java.security.Permissions;

import java.security.PrivilegedAction;

import java.security.ProtectionDomain;

import java.util.Arrays;

import java.util.function.Function;

import java.util.function.IntConsumer;

import static jdk.testlibrary.Utils.getFreePort;

import org.testng.annotations.BeforeMethod;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

public class SocketPermissionTest {

    private int freePort = -1;

    //positive tests

    @Test(dataProvider = "positiveProvider")

    public void testPositive(Function<String, AccessControlContext> genAcc, IntConsumer func) {

        String addr = "localhost:" + freePort;

        AccessControlContext acc = genAcc.apply(addr);

        AccessController.doPrivileged((PrivilegedAction) () -> {

            func.accept(freePort);

            return null;

        }, acc);

    }

    //negative tests

    @Test(dataProvider = "negativeProvider", expectedExceptions = SecurityException.class)

    public void testNegative(AccessControlContext acc, IntConsumer func) {

        AccessController.doPrivileged((PrivilegedAction) () -> {

            func.accept(freePort);

            return null;

        }, acc);

    }

    @BeforeMethod

    public void setFreePort() throws Exception {

        freePort = getFreePort();

    }

    @DataProvider

    public Object[][] positiveProvider() {

        //test for SocketPermission "host:port","connect,resolve";

        Function<String, AccessControlContext> generateAcc1 = (addr) -> getAccessControlContext(

                new SocketPermission(addr, "listen, connect,resolve"));

        IntConsumer func1 = (i) -> connectSocketTest(i);

        IntConsumer func2 = (i) -> connectDatagramSocketTest(i);

        //test for SocketPermission "localhost:1024-","accept";

        Function<String, AccessControlContext> generateAcc2 = (addr) -> getAccessControlContext(

                new SocketPermission(addr, "listen,connect,resolve"),

                new SocketPermission("localhost:1024-", "accept"));

        IntConsumer func3 = (i) -> acceptServerSocketTest(i);

        //test for SocketPermission "229.227.226.221", "connect,accept"

        Function<String, AccessControlContext> generateAcc3 = (addr) -> getAccessControlContext(

                new SocketPermission(addr, "listen,resolve"),

                new SocketPermission("229.227.226.221", "connect,accept"));

        IntConsumer func4 = (i) -> sendDatagramPacketTest(i);

        IntConsumer func5 = (i) -> joinGroupMulticastTest(i);

        //test for SocketPermission "host:port", "listen"

        Function<String, AccessControlContext> generateAcc4 = (addr) -> getAccessControlContext(

                new SocketPermission(addr, "listen"));

        IntConsumer func6 = (i) -> listenDatagramSocketTest(i);

        IntConsumer func7 = (i) -> listenMulticastSocketTest(i);

        IntConsumer func8 = (i) -> listenServerSocketTest(i);

        return new Object[][]{

            {generateAcc1, func1},

            {generateAcc1, func2},

            {generateAcc2, func3},

            {generateAcc3, func4},

            {generateAcc3, func5},

            {generateAcc4, func6},

            {generateAcc4, func7},

            {generateAcc4, func8}

        };

    }

    @DataProvider

    public Object[][] negativeProvider() {

        IntConsumer[] funcs = {i -> connectSocketTest(i),

            i -> connectDatagramSocketTest(i), i -> acceptServerSocketTest(i),

            i -> sendDatagramPacketTest(i), i -> joinGroupMulticastTest(i),

            i -> listenDatagramSocketTest(i), i -> listenMulticastSocketTest(i),

            i -> listenServerSocketTest(i)};

        return Arrays.stream(funcs).map(f -> {

            //Construct an AccessControlContext without SocketPermission

            AccessControlContext acc = getAccessControlContext(

                    new java.io.FilePermission("<<ALL FILES>>", "read,write,execute,delete"),

                    new java.net.NetPermission("*"),

                    new java.util.PropertyPermission("*", "read,write"),

                    new java.lang.reflect.ReflectPermission("*"),

                    new java.lang.RuntimePermission("*"),

                    new java.security.SecurityPermission("*"),

                    new java.io.SerializablePermission("*"));

            return new Object[]{acc, f};

        }).toArray(Object[][]::new);

    }

    public void connectSocketTest(int port) {

        try (ServerSocket server = new ServerSocket(port);

                Socket client = new Socket(InetAddress.getLocalHost(), port);) {

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void connectDatagramSocketTest(int port) {

        String msg = "Hello";

        try {

            InetAddress me = InetAddress.getLocalHost();

            try (DatagramSocket ds = new DatagramSocket(port, me)) {

                DatagramPacket dp = new DatagramPacket(msg.getBytes(),

                        msg.length(), me, port);

                ds.send(dp);

            }

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void acceptServerSocketTest(int port) {

        try {

            InetAddress me = InetAddress.getLocalHost();

            try (ServerSocket server = new ServerSocket(port)) {

                Socket client = new Socket(me, port);

                server.accept();

            }

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public static void sendDatagramPacketTest(int port) {

        String msg = "Hello";

        try {

            InetAddress group = InetAddress.getByName("229.227.226.221");

            try (DatagramSocket s = new DatagramSocket(port)) {

                DatagramPacket hi = new DatagramPacket(msg.getBytes(),

                        msg.length(), group, port);

                s.send(hi);

            }

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void joinGroupMulticastTest(int port) {

        try {

            InetAddress group = InetAddress.getByName("229.227.226.221");

            try (MulticastSocket s = new MulticastSocket(port)) {

                s.joinGroup(group);

                s.leaveGroup(group);

            }

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void listenDatagramSocketTest(int port) {

        try (DatagramSocket ds = new DatagramSocket(port)) {

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void listenMulticastSocketTest(int port) {

        try (MulticastSocket ms = new MulticastSocket(port)) {

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    public void listenServerSocketTest(int port) {

        try (ServerSocket ms = new ServerSocket(port)) {

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    private static AccessControlContext getAccessControlContext(Permission... ps) {

        Permissions perms = new Permissions();

        for (Permission p : ps) {

            perms.add(p);

        }

        /*

         *Create an AccessControlContext that consist a single protection domain

         * with only the permissions calculated above

         */

        ProtectionDomain pd = new ProtectionDomain(null, perms);

        return new AccessControlContext(new ProtectionDomain[]{pd});

    }

}