/*

 * Copyright (c) 2005, 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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 * questions.

 */

/*

 * @test

 * @summary Unit test for java.net.CookieManager

 * @bug 6244040 7150552 7051862

 * @modules jdk.httpserver

 *          java.logging

 * @run main/othervm -ea -esa CookieManagerTest

 * @author Edward Wang

 */

import com.sun.net.httpserver.*;

import java.util.Collections;

import java.util.LinkedList;

import java.util.List;

import java.io.IOException;

import java.net.*;

import java.util.logging.Level;

import java.util.logging.Logger;

import static java.net.Proxy.NO_PROXY;

public class CookieManagerTest {

    static CookieTransactionHandler httpTrans;

    static HttpServer server;

    static final String hostAddress = getAddr();

    /** Returns an IP literal suitable for use by the test. */

    static String getAddr() {

        try {

            InetAddress lh = InetAddress.getLocalHost();

            System.out.println("Trying: " + lh);

            if (lh.isReachable(5_000)) {

                System.out.println("Using: " + lh);

                return lh.getHostAddress();

            }

        } catch (IOException x) {

            System.out.println("Debug: caught:" + x);

        }

        InetAddress loopback = InetAddress.getLoopbackAddress();

        System.out.println("Using: \"" + loopback.getHostAddress() + "\"");

        return loopback.getHostAddress();

    }

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

        // logs everything...

        Logger root = Logger.getLogger("");

        root.setLevel(Level.ALL);

        root.getHandlers()[0].setLevel(Level.ALL);

        startHttpServer();

        makeHttpCall();

        if (httpTrans.badRequest) {

            throw new RuntimeException("Test failed : bad cookie header");

        }

        checkCookiePolicy();

    }

   public static void startHttpServer() throws IOException {

        httpTrans = new CookieTransactionHandler();

        server = HttpServer.create(new InetSocketAddress(hostAddress, 0), 0);

        server.createContext("/", httpTrans);

        server.start();

    }

    /*

     * Checks if CookiePolicy.ACCEPT_ORIGINAL_SERVER#shouldAccept()

     * returns false for null arguments

     */

    private static void checkCookiePolicy() throws Exception {

        CookiePolicy cp = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        boolean retVal;

        retVal = cp.shouldAccept(null, null);

        checkValue(retVal);

        retVal = cp.shouldAccept(null, new HttpCookie("CookieName", "CookieVal"));

        checkValue(retVal);

        retVal = cp.shouldAccept((new URL("http", "localhost", 2345, "/")).toURI(),

                                  null);

        checkValue(retVal);

    }

    private static void checkValue(boolean val) {

        if (val)

            throw new RuntimeException("Return value is not false!");

    }

    public static void makeHttpCall() throws IOException {

        try {

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

            System.out.println("http server listenining on: " + port);

            // install CookieManager to use

            CookieHandler.setDefault(new CookieManager());

            for (int i = 0; i < CookieTransactionHandler.testCount; i++) {

                System.out.println("====== CookieManager test " + (i+1)

                                    + " ======");

                ((CookieManager)CookieHandler.getDefault())

                    .setCookiePolicy(CookieTransactionHandler.testPolicies[i]);

                ((CookieManager)CookieHandler.getDefault())

                    .getCookieStore().removeAll();

                URL url = new URL("http" ,

                                  hostAddress,

                                  server.getAddress().getPort(),

                                  CookieTransactionHandler.testCases[i][0]

                                                          .serverPath);

                System.out.println("Requesting " + url);

                HttpURLConnection uc = (HttpURLConnection)url.openConnection(NO_PROXY);

                uc.getResponseCode();

                uc.disconnect();

            }

        } finally {

            server.stop(0);

        }

    }

}

class CookieTransactionHandler implements HttpHandler {

    private int testcaseDone = 0;

    private int testDone = 0;

    public static boolean badRequest = false;

    // the main test control logic will also loop exactly this number

    // to send http request

    public static final int testCount = 6;

    @Override

    public void handle(HttpExchange exchange) throws IOException {

        if (testDone < testCases[testcaseDone].length) {

            // still have other tests to run,

            // check the Cookie header and then redirect it

            if (testDone > 0) checkRequest(exchange.getRequestHeaders());

            exchange.getResponseHeaders().add("Location",

                    testCases[testcaseDone][testDone].serverPath);

            exchange.getResponseHeaders()

                    .add(testCases[testcaseDone][testDone].headerToken,

                         testCases[testcaseDone][testDone].cookieToSend);

            exchange.sendResponseHeaders(302, -1);

            testDone++;

        } else {

            // the last test of this test case

            if (testDone > 0) checkRequest(exchange.getRequestHeaders());

            testcaseDone++;

            testDone = 0;

            exchange.sendResponseHeaders(200, -1);

        }

        exchange.close();

    }

    private static String trim(String s) {

        StringBuilder sb = new StringBuilder();

        for (int i=0; i<s.length(); i++) {

            char c = s.charAt(i);

            if (!Character.isWhitespace(c))

                sb.append(c);

        }

        return sb.toString();

    }

    private static boolean cookieEquals(String s1, String s2) {

        s1 = trim(s1);

        s2 = trim(s2);

        String[] s1a = s1.split(";");

        String[] s2a = s2.split(";");

        List<String> l1 = new LinkedList(List.of(s1a));

        List<String> l2 = new LinkedList(List.of(s2a));

        Collections.sort(l1);

        Collections.sort(l2);

        int i = 0;

        for (String s : l1) {

            if (!s.equals(l2.get(i++))) {

                return false;

            }

        }

        return true;

    }

    private void checkRequest(Headers hdrs) {

        assert testDone > 0;

        String cookieHeader = hdrs.getFirst("Cookie");

        if (cookieHeader != null && cookieEquals(

                cookieHeader, testCases[testcaseDone][testDone-1].cookieToRecv))

        {

            System.out.printf("%15s %s\n", "PASSED:", cookieHeader);

        } else {

            System.out.printf("%15s %s\n", "FAILED:", cookieHeader);

            System.out.printf("%15s %s\n\n", "should be:",

                    testCases[testcaseDone][testDone-1].cookieToRecv);

            badRequest = true;

        }

    }

    // test cases

    public static class CookieTestCase {

        public String headerToken;

        public String cookieToSend;

        public String cookieToRecv;

        public String serverPath;

        public CookieTestCase(String h, String cts, String ctr, String sp) {

            headerToken = h;

            cookieToSend = cts;

            cookieToRecv = ctr;

            serverPath = sp;

        }

    };

    /*

     * these two must match each other,

     * i.e. testCases.length == testPolicies.length

     */

    // the test cases to run; each test case may contain multiple roundtrips

    public static CookieTestCase[][] testCases = null;

    // indicates what CookiePolicy to use with each test cases

    public static CookiePolicy[] testPolicies = null;

    CookieTransactionHandler() {

        testCases = new CookieTestCase[testCount][];

        testPolicies = new CookiePolicy[testCount];

        String localHostAddr = CookieManagerTest.hostAddress;

        int count = 0;

        // an http session with Netscape cookies exchanged

        testPolicies[count] = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie",

                "CUSTOMER=WILE:BOB; " +

                "path=/; expires=Sat, 09-Nov-2030 23:12:40 GMT;" + "domain=." +

                localHostAddr,

                "CUSTOMER=WILE:BOB",

                "/"

                ),

                new CookieTestCase("Set-Cookie",

                "PART_NUMBER=ROCKET_LAUNCHER_0001; path=/;" + "domain=." + localHostAddr,

                "CUSTOMER=WILE:BOB; PART_NUMBER=ROCKET_LAUNCHER_0001",

                "/"

                ),

                new CookieTestCase("Set-Cookie",

                "SHIPPING=FEDEX; path=/foo;" + "domain=." + localHostAddr,

                "CUSTOMER=WILE:BOB; PART_NUMBER=ROCKET_LAUNCHER_0001",

                "/"

                ),

                new CookieTestCase("Set-Cookie",

                "SHIPPING=FEDEX; path=/foo;" + "domain=." + localHostAddr,

                "CUSTOMER=WILE:BOB; PART_NUMBER=ROCKET_LAUNCHER_0001; SHIPPING=FEDEX",

                "/foo"

                )

                };

        // check whether or not path rule is applied

        testPolicies[count] = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie",

                "PART_NUMBER=ROCKET_LAUNCHER_0001; path=/;" + "domain=." + localHostAddr,

                "PART_NUMBER=ROCKET_LAUNCHER_0001",

                "/"

                ),

                new CookieTestCase("Set-Cookie",

                "PART_NUMBER=RIDING_ROCKET_0023; path=/ammo;" + "domain=." + localHostAddr,

                "PART_NUMBER=RIDING_ROCKET_0023; PART_NUMBER=ROCKET_LAUNCHER_0001",

                "/ammo"

                )

                };

        // an http session with rfc2965 cookies exchanged

        testPolicies[count] = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie2",

                "Customer=\"WILE_E_COYOTE\"; Version=\"1\"; Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";$Domain=\"." + localHostAddr + "\"",

                "/acme/login"

                ),

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Rocket_Launcher_0001\"; Version=\"1\";Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";" + "$Domain=\"." +

                    localHostAddr  + "\"" + "; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";"

                    + "$Domain=\"." + localHostAddr +  "\"",

                "/acme/pickitem"

                ),

                new CookieTestCase("Set-Cookie2",

                "Shipping=\"FedEx\"; Version=\"1\"; Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";" + "$Domain=\"." + localHostAddr  +

                    "\"" + "; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";" + "$Domain=\"."

                    + localHostAddr  + "\"" + "; Shipping=\"FedEx\";$Path=\"/acme\";" +

                    "$Domain=\"." + localHostAddr + "\"",

                "/acme/shipping"

                )

                };

        // check whether or not the path rule is applied

        testPolicies[count] = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Rocket_Launcher_0001\"; Version=\"1\"; Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";$Domain=\"." + localHostAddr + "\"",

                "/acme/ammo"

                ),

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Riding_Rocket_0023\"; Version=\"1\"; Path=\"/acme/ammo\";" + "domain=."

                    + localHostAddr,

                "$Version=\"1\"; Part_Number=\"Riding_Rocket_0023\";$Path=\"/acme/ammo\";$Domain=\"."

                    + localHostAddr  + "\"" + "; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";"

                    + "$Domain=\"." + localHostAddr + "\"",

                "/acme/ammo"

                ),

                new CookieTestCase("",

                "",

                "$Version=\"1\"; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";" + "$Domain=\"." + localHostAddr + "\"",

                "/acme/parts"

                )

                };

        // new cookie should overwrite old cookie

        testPolicies[count] = CookiePolicy.ACCEPT_ORIGINAL_SERVER;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Rocket_Launcher_0001\"; Version=\"1\"; Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";$Domain=\"." + localHostAddr + "\"",

                "/acme"

                ),

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Rocket_Launcher_2000\"; Version=\"1\"; Path=\"/acme\";" + "domain=." + localHostAddr,

                "$Version=\"1\"; Part_Number=\"Rocket_Launcher_2000\";$Path=\"/acme\";$Domain=\"." + localHostAddr + "\"",

                "/acme"

                )

                };

        // cookies without domain attributes

        // RFC 2965 states that domain should default to host

        testPolicies[count] = CookiePolicy.ACCEPT_ALL;

        testCases[count++] = new CookieTestCase[]{

                new CookieTestCase("Set-Cookie2",

                "Customer=\"WILE_E_COYOTE\"; Version=\"1\"; Path=\"/acme\"",

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"",

                "/acme/login"

                ),

                new CookieTestCase("Set-Cookie2",

                "Part_Number=\"Rocket_Launcher_0001\"; Version=\"1\";Path=\"/acme\"",

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"" +

                    "; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"",

                "/acme/pickitem"

                ),

                new CookieTestCase("Set-Cookie2",

                "Shipping=\"FedEx\"; Version=\"1\"; Path=\"/acme\"",

                "$Version=\"1\"; Customer=\"WILE_E_COYOTE\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"" +

                    "; Part_Number=\"Rocket_Launcher_0001\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"" +

                    "; Shipping=\"FedEx\";$Path=\"/acme\";$Domain=\""+localHostAddr+"\"",

                "/acme/shipping"

                )

                };

        assert count == testCount;

    }

}