jdk-24/test/jdk/java/net/Authenticator/B4759514.java

/*
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 * 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.
 *
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 * questions.
 */

/**
 * @test
 * @bug 4759514
 * @library /test/lib
 * @run main/othervm -Dhttp.auth.digest.reEnabledAlgorithms=MD5 B4759514
 * @run main/othervm -Dhttp.auth.digest.reEnabledAlgorithms=MD5 -Djava.net.preferIPv6Addresses=true B4759514
 * @summary Digest Authentication is erroniously quoting the nc value, contrary to RFC 2617
 */

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.Authenticator;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.ProxySelector;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.Executors;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;

public class B4759514 implements HttpHandler {

    static int count = 0;
    static String authstring;

    void errorReply (HttpExchange req, String reply) throws IOException {
        req.getResponseHeaders().set("Connection", "close");
        req.getResponseHeaders().set("WWW-Authenticate", reply);
        req.sendResponseHeaders(401, -1);
    }

    void okReply (HttpExchange req) throws IOException {
        req.sendResponseHeaders(200, 0);
        try(PrintWriter pw = new PrintWriter(req.getResponseBody())) {
            pw.print("Hello .");
        }
    }

    public void handle (HttpExchange req) {
        try {
            if(req.getRequestHeaders().get("Authorization") != null) {
                authstring = req.getRequestHeaders().get("Authorization").get(0);
                System.out.println(authstring);
            }
            switch (count) {
            case 0:
                errorReply (req, "Digest realm=\"wallyworld\", nonce=\"1234\", domain=\"/\"");
                break;
            case 1:
                int n = authstring.indexOf ("nc=");
                if (n != -1) {
                    if (authstring.charAt (n+3) == '\"') {
                        req.sendResponseHeaders(400, -1);
                        break;
                    }
                }
                okReply (req);
                break;
            }
            count ++;
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    static void read (InputStream is) throws IOException {
        int c;
        while ((c=is.read()) != -1) {
            System.out.write (c);
        }
    }

    static void client (String u) throws Exception {
        URL url = new URL (u);
        System.out.println ("client opening connection to: " + u);
        URLConnection urlc = url.openConnection ();
        InputStream is = urlc.getInputStream ();
        read (is);
        is.close();
    }

    static HttpServer server;

    public static void main (String[] args) throws Exception {
        B4759514 b4759514 = new B4759514();
        MyAuthenticator auth = new MyAuthenticator ();
        Authenticator.setDefault (auth);
        ProxySelector.setDefault(ProxySelector.of(null)); // no proxy
        try {
            InetAddress loopback = InetAddress.getLoopbackAddress();
            server = HttpServer.create(new InetSocketAddress(loopback, 0), 10);
            server.createContext("/", b4759514);
            server.setExecutor(Executors.newSingleThreadExecutor());
            server.start();
            String serverURL = URIBuilder.newBuilder()
                    .scheme("http")
                    .loopback()
                    .port(server.getAddress().getPort())
                    .path("/")
                    .build()
                    .toString();
            System.out.println("Server: listening at: " + serverURL);
            client(serverURL + "d1/foo.html");
        } catch (Exception e) {
            if (server != null) {
                server.stop(1);
            }
            throw e;
        }
        int f = auth.getCount();
        if (f != 1) {
            except ("Authenticator was called "+f+" times. Should be 1");
        }
        server.stop(1);
    }

    public static void except (String s) {
        server.stop(1);
        throw new RuntimeException (s);
    }

    static class MyAuthenticator extends Authenticator {
        MyAuthenticator () {
            super ();
        }

        int count = 0;

        public PasswordAuthentication getPasswordAuthentication () {
            PasswordAuthentication pw;
            pw = new PasswordAuthentication ("user", "pass1".toCharArray());
            count ++;
            return pw;
        }

        public int getCount () {
            return (count);
        }
    }
}