/*
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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).
*
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* 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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/*
* @test
* @bug 8156514
* @library /lib/testlibrary server
* @build jdk.testlibrary.SimpleSSLContext
* @modules java.base/sun.net.www.http
* java.net.http/jdk.internal.net.http.common
* java.net.http/jdk.internal.net.http.frame
* java.net.http/jdk.internal.net.http.hpack
* @run testng/othervm
* -Djdk.httpclient.HttpClient.log=frames,ssl,requests,responses,errors
* -Djdk.internal.httpclient.debug=true
* RedirectTest
*/
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.Arrays;
import java.util.Iterator;
import org.testng.annotations.Test;
import static java.net.http.HttpClient.Version.HTTP_2;
public class RedirectTest {
static int httpPort;
static Http2TestServer httpServer;
static HttpClient client;
static String httpURIString, altURIString1, altURIString2;
static URI httpURI, altURI1, altURI2;
static Supplier<String> sup(String... args) {
Iterator<String> i = Arrays.asList(args).iterator();
// need to know when to stop calling it.
return () -> i.next();
}
static class Redirector extends Http2RedirectHandler {
private InetSocketAddress remoteAddr;
private boolean error = false;
Redirector(Supplier<String> supplier) {
super(supplier);
}
protected synchronized void examineExchange(Http2TestExchange ex) {
InetSocketAddress addr = ex.getRemoteAddress();
if (remoteAddr == null) {
remoteAddr = addr;
return;
}
// check that the client addr/port stays the same, proving
// that the connection didn't get dropped.
if (!remoteAddr.equals(addr)) {
System.err.printf("Error %s/%s\n", remoteAddr.toString(),
addr.toString());
error = true;
}
}
public synchronized boolean error() {
return error;
}
}
static void initialize() throws Exception {
try {
client = getClient();
httpServer = new Http2TestServer(false, 0, null, null);
httpPort = httpServer.getAddress().getPort();
// urls are accessed in sequence below. The first two are on
// different servers. Third on same server as second. So, the
// client should use the same http connection.
httpURIString = "http://127.0.0.1:" + httpPort + "/foo/";
httpURI = URI.create(httpURIString);
altURIString1 = "http://127.0.0.1:" + httpPort + "/redir";
altURI1 = URI.create(altURIString1);
altURIString2 = "http://127.0.0.1:" + httpPort + "/redir_again";
altURI2 = URI.create(altURIString2);
Redirector r = new Redirector(sup(altURIString1, altURIString2));
httpServer.addHandler(r, "/foo");
httpServer.addHandler(r, "/redir");
httpServer.addHandler(new Http2EchoHandler(), "/redir_again");
httpServer.start();
} catch (Throwable e) {
System.err.println("Throwing now");
e.printStackTrace();
throw e;
}
}
@Test
public static void test() throws Exception {
try {
initialize();
simpleTest();
} finally {
httpServer.stop();
}
}
static HttpClient getClient() {
if (client == null) {
client = HttpClient.newBuilder()
.followRedirects(HttpClient.Redirect.ALWAYS)
.version(HTTP_2)
.build();
}
return client;
}
static URI getURI() {
return URI.create(httpURIString);
}
static void checkStatus(int expected, int found) throws Exception {
if (expected != found) {
System.err.printf ("Test failed: wrong status code %d/%d\n",
expected, found);
throw new RuntimeException("Test failed");
}
}
static void checkURIs(URI expected, URI found) throws Exception {
System.out.printf ("Expected: %s, Found: %s\n", expected.toString(), found.toString());
if (!expected.equals(found)) {
System.err.printf ("Test failed: wrong URI %s/%s\n",
expected.toString(), found.toString());
throw new RuntimeException("Test failed");
}
}
static void checkStrings(String expected, String found) throws Exception {
if (!expected.equals(found)) {
System.err.printf ("Test failed: wrong string %s/%s\n",
expected, found);
throw new RuntimeException("Test failed");
}
}
static void check(boolean cond, Object... msg) {
if (cond)
return;
StringBuilder sb = new StringBuilder();
for (Object o : msg)
sb.append(o);
throw new RuntimeException(sb.toString());
}
static final String SIMPLE_STRING = "Hello world Goodbye world";
static void simpleTest() throws Exception {
URI uri = getURI();
System.err.println("Request to " + uri);
HttpClient client = getClient();
HttpRequest req = HttpRequest.newBuilder(uri)
.POST(BodyPublishers.ofString(SIMPLE_STRING))
.build();
CompletableFuture<HttpResponse<String>> cf = client.sendAsync(req, BodyHandlers.ofString());
HttpResponse<String> response = cf.join();
checkStatus(200, response.statusCode());
String responseBody = response.body();
checkStrings(SIMPLE_STRING, responseBody);
checkURIs(response.uri(), altURI2);
// check two previous responses
HttpResponse<String> prev = response.previousResponse()
.orElseThrow(() -> new RuntimeException("no previous response"));
checkURIs(prev.uri(), altURI1);
prev = prev.previousResponse()
.orElseThrow(() -> new RuntimeException("no previous response"));
checkURIs(prev.uri(), httpURI);
checkPreviousRedirectResponses(req, response);
System.err.println("DONE");
}
static void checkPreviousRedirectResponses(HttpRequest initialRequest,
HttpResponse<?> finalResponse) {
// there must be at least one previous response
finalResponse.previousResponse()
.orElseThrow(() -> new RuntimeException("no previous response"));
HttpResponse<?> response = finalResponse;
do {
URI uri = response.uri();
response = response.previousResponse().get();
check(300 <= response.statusCode() && response.statusCode() <= 309,
"Expected 300 <= code <= 309, got:" + response.statusCode());
check(response.body() == null, "Unexpected body: " + response.body());
String locationHeader = response.headers().firstValue("Location")
.orElseThrow(() -> new RuntimeException("no previous Location"));
check(uri.toString().endsWith(locationHeader),
"URI: " + uri + ", Location: " + locationHeader);
} while (response.previousResponse().isPresent());
// initial
check(initialRequest.equals(response.request()),
"Expected initial request [%s] to equal last prev req [%s]",
initialRequest, response.request());
}
}