1/*
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8027308
27 * @modules jdk.httpserver
28 * @summary  verifies that HttpURLConnection does not send the zone id in the
29 *           'Host' field of the header:
30 *              Host: [fe80::a00:27ff:aaaa:aaaa] instead of
31 *              Host: [fe80::a00:27ff:aaaa:aaaa%eth0]"
32 */
33
34import com.sun.net.httpserver.Headers;
35import com.sun.net.httpserver.HttpExchange;
36import com.sun.net.httpserver.HttpHandler;
37import com.sun.net.httpserver.HttpServer;
38
39import java.io.IOException;
40import java.net.*;
41import java.util.Enumeration;
42import java.util.List;
43import java.util.Optional;
44import java.util.concurrent.CompletableFuture;
45import static java.lang.System.out;
46import static java.net.Proxy.NO_PROXY;
47
48public class ZoneId {
49
50    public static void main(String[] args) throws Exception {
51
52        InetAddress address = getIPv6LookbackAddress();
53
54        if (address == null) {
55            out.println("Cannot find the IPv6 loopback address. Skipping test.");
56            return;
57        }
58        String ip6_literal = address.getHostAddress();
59
60        out.println("Found an appropriate IPv6 address: " + address);
61
62        out.println("Starting http server...");
63        HttpServer server = HttpServer.create(new InetSocketAddress(0), 0);
64        CompletableFuture<Headers> headers = new CompletableFuture<>();
65        server.createContext("/", createCapturingHandler(headers));
66        server.start();
67        out.println("Started at " + server.getAddress());
68
69        try {
70            int port = server.getAddress().getPort();
71            String spec = "http://[" + address.getHostAddress() + "]:" + port;
72            out.println("Client is connecting to: " + spec);
73            URL url = new URL(spec);
74            HttpURLConnection uc = (HttpURLConnection)url.openConnection(NO_PROXY);
75            uc.getResponseCode();
76        } finally {
77            out.println("Shutting down the server...");
78            server.stop(0);
79        }
80
81        int idx = ip6_literal.lastIndexOf('%');
82        String ip6_address = ip6_literal.substring(0, idx);
83        List<String> hosts = headers.get().get("Host");
84
85        out.println("Host: " + hosts);
86
87        if (hosts.size() != 1 || hosts.get(0).contains("%") ||
88                                !hosts.get(0).contains(ip6_address)) {
89            throw new RuntimeException("FAIL");
90        }
91    }
92
93    static InetAddress getIPv6LookbackAddress() throws SocketException {
94        out.println("Searching for the IPv6 loopback address...");
95        Enumeration<NetworkInterface> is = NetworkInterface.getNetworkInterfaces();
96
97        // The IPv6 loopback address contains a scope id, and is "connect-able".
98        while (is.hasMoreElements()) {
99            NetworkInterface i = is.nextElement();
100            if (!i.isLoopback())
101                continue;
102            Optional<InetAddress> addr = i.inetAddresses()
103                    .filter(x -> x instanceof Inet6Address)
104                    .filter(y -> y.toString().contains("%"))
105                    .findFirst();
106            if (addr.isPresent())
107                return addr.get();
108        }
109
110        return null;
111    }
112
113    static HttpHandler createCapturingHandler(CompletableFuture<Headers> headers) {
114        return new HttpHandler() {
115            @Override
116            public void handle(HttpExchange exchange) throws IOException {
117                headers.complete(exchange.getRequestHeaders());
118                exchange.sendResponseHeaders(HttpURLConnection.HTTP_OK, -1);
119                exchange.close();
120            }
121        };
122    }
123}
124