1 /*
2 * Copyright (c) 2015, 2017, 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 8156514
27 * @library /lib/testlibrary server
28 * @build jdk.testlibrary.SimpleSSLContext
29 * @modules java.base/sun.net.www.http
30 * jdk.incubator.httpclient/jdk.incubator.http.internal.common
31 * jdk.incubator.httpclient/jdk.incubator.http.internal.frame
32 * jdk.incubator.httpclient/jdk.incubator.http.internal.hpack
33 * @run testng/othervm -Djdk.httpclient.HttpClient.log=frames,ssl,requests,responses,errors RedirectTest
34 */
35
36 import java.net.*;
37 import jdk.incubator.http.*;
38 import java.util.Optional;
39 import java.util.concurrent.*;
40 import java.util.function.*;
41 import java.util.Arrays;
42 import java.util.Iterator;
43 import org.testng.annotations.Test;
44 import static jdk.incubator.http.HttpClient.Version.HTTP_2;
45 import static jdk.incubator.http.HttpRequest.BodyPublisher.fromString;
46 import static jdk.incubator.http.HttpResponse.BodyHandler.asString;
47
48 public class RedirectTest {
49 static int httpPort;
50 static Http2TestServer httpServer;
51 static HttpClient client;
52
53 static String httpURIString, altURIString1, altURIString2;
54 static URI httpURI, altURI1, altURI2;
55
56 static Supplier<String> sup(String... args) {
57 Iterator<String> i = Arrays.asList(args).iterator();
58 // need to know when to stop calling it.
59 return () -> i.next();
60 }
61
62 static class Redirector extends Http2RedirectHandler {
63 private InetSocketAddress remoteAddr;
64 private boolean error = false;
65
66 Redirector(Supplier<String> supplier) {
67 super(supplier);
68 }
69
70 protected synchronized void examineExchange(Http2TestExchange ex) {
71 InetSocketAddress addr = ex.getRemoteAddress();
72 if (remoteAddr == null) {
73 remoteAddr = addr;
74 return;
75 }
76 // check that the client addr/port stays the same, proving
77 // that the connection didn't get dropped.
78 if (!remoteAddr.equals(addr)) {
79 System.err.printf("Error %s/%s\n", remoteAddr.toString(),
80 addr.toString());
81 error = true;
82 }
83 }
84
85 public synchronized boolean error() {
86 return error;
87 }
88 }
89
90 static void initialize() throws Exception {
91 try {
92 client = getClient();
93 httpServer = new Http2TestServer(false, 0, null, null);
94 httpPort = httpServer.getAddress().getPort();
95
96 // urls are accessed in sequence below. The first two are on
97 // different servers. Third on same server as second. So, the
98 // client should use the same http connection.
99 httpURIString = "http://127.0.0.1:" + httpPort + "/foo/";
100 httpURI = URI.create(httpURIString);
101 altURIString1 = "http://127.0.0.1:" + httpPort + "/redir";
102 altURI1 = URI.create(altURIString1);
103 altURIString2 = "http://127.0.0.1:" + httpPort + "/redir_again";
104 altURI2 = URI.create(altURIString2);
105
106 Redirector r = new Redirector(sup(altURIString1, altURIString2));
107 httpServer.addHandler(r, "/foo");
108 httpServer.addHandler(r, "/redir");
109 httpServer.addHandler(new Http2EchoHandler(), "/redir_again");
110
111 httpServer.start();
112 } catch (Throwable e) {
113 System.err.println("Throwing now");
114 e.printStackTrace();
115 throw e;
116 }
117 }
118
119 @Test
120 public static void test() throws Exception {
121 try {
122 initialize();
123 simpleTest();
124 } finally {
125 httpServer.stop();
126 }
127 }
128
129 static HttpClient getClient() {
130 if (client == null) {
131 client = HttpClient.newBuilder()
132 .followRedirects(HttpClient.Redirect.ALWAYS)
133 .version(HTTP_2)
134 .build();
135 }
136 return client;
137 }
138
139 static URI getURI() {
140 return URI.create(httpURIString);
141 }
142
143 static void checkStatus(int expected, int found) throws Exception {
144 if (expected != found) {
145 System.err.printf ("Test failed: wrong status code %d/%d\n",
146 expected, found);
147 throw new RuntimeException("Test failed");
148 }
149 }
150
151 static void checkURIs(URI expected, URI found) throws Exception {
152 System.out.printf ("Expected: %s, Found: %s\n", expected.toString(), found.toString());
153 if (!expected.equals(found)) {
154 System.err.printf ("Test failed: wrong URI %s/%s\n",
155 expected.toString(), found.toString());
156 throw new RuntimeException("Test failed");
157 }
158 }
159
160 static void checkStrings(String expected, String found) throws Exception {
161 if (!expected.equals(found)) {
162 System.err.printf ("Test failed: wrong string %s/%s\n",
163 expected, found);
164 throw new RuntimeException("Test failed");
165 }
166 }
167
168 static void check(boolean cond, Object... msg) {
169 if (cond)
170 return;
171 StringBuilder sb = new StringBuilder();
172 for (Object o : msg)
173 sb.append(o);
174 throw new RuntimeException(sb.toString());
175 }
176
177 static final String SIMPLE_STRING = "Hello world Goodbye world";
178
179 static void simpleTest() throws Exception {
180 URI uri = getURI();
181 System.err.println("Request to " + uri);
182
183 HttpClient client = getClient();
184 HttpRequest req = HttpRequest.newBuilder(uri)
185 .POST(fromString(SIMPLE_STRING))
186 .build();
187 CompletableFuture<HttpResponse<String>> cf = client.sendAsync(req, asString());
188 HttpResponse<String> response = cf.join();
189
190 checkStatus(200, response.statusCode());
191 String responseBody = response.body();
192 checkStrings(SIMPLE_STRING, responseBody);
193 checkURIs(response.uri(), altURI2);
194
195 // check two previous responses
196 HttpResponse<String> prev = response.previousResponse()
197 .orElseThrow(() -> new RuntimeException("no previous response"));
198 checkURIs(prev.uri(), altURI1);
199
200 prev = prev.previousResponse()
201 .orElseThrow(() -> new RuntimeException("no previous response"));
202 checkURIs(prev.uri(), httpURI);
203
204 checkPreviousRedirectResponses(req, response);
205
206 System.err.println("DONE");
207 }
208
209 static void checkPreviousRedirectResponses(HttpRequest initialRequest,
210 HttpResponse<?> finalResponse) {
211 // there must be at least one previous response
212 finalResponse.previousResponse()
213 .orElseThrow(() -> new RuntimeException("no previous response"));
214
215 HttpResponse<?> response = finalResponse;
216 do {
217 URI uri = response.uri();
218 response = response.previousResponse().get();
219 check(300 <= response.statusCode() && response.statusCode() <= 309,
220 "Expected 300 <= code <= 309, got:" + response.statusCode());
221 check(response.body() == null, "Unexpected body: " + response.body());
222 String locationHeader = response.headers().firstValue("Location")
223 .orElseThrow(() -> new RuntimeException("no previous Location"));
224 check(uri.toString().endsWith(locationHeader),
225 "URI: " + uri + ", Location: " + locationHeader);
226 } while (response.previousResponse().isPresent());
227
228 // initial
229 check(initialRequest.equals(response.request()),
230 "Expected initial request [%s] to equal last prev req [%s]",
231 initialRequest, response.request());
232 }
233 }