undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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368
test/jdk/java/net/httpclient/MappingResponseSubscriber.java
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368
test/jdk/java/net/httpclient/MappingResponseSubscriber.java
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/*
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* Copyright (c) 2017, 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Tests mapped response subscriber
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build jdk.test.lib.net.SimpleSSLContext jdk.httpclient.test.lib.http2.Http2TestServer
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* jdk.httpclient.test.lib.common.TestServerConfigurator
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* @run junit/othervm
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* -Djdk.internal.httpclient.debug=true
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* MappingResponseSubscriber
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*/
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.URI;
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import java.nio.ByteBuffer;
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import java.util.List;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Flow;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import com.sun.net.httpserver.HttpServer;
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import com.sun.net.httpserver.HttpsServer;
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import java.net.http.HttpClient;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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import java.net.http.HttpResponse.BodyHandler;
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import java.net.http.HttpResponse.BodySubscribers;
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import java.net.http.HttpResponse.BodySubscriber;
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import java.util.function.Function;
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import javax.net.ssl.SSLContext;
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import jdk.httpclient.test.lib.common.TestServerConfigurator;
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import jdk.internal.net.http.common.OperationTrackers.Tracker;
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import jdk.httpclient.test.lib.http2.Http2TestServer;
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import jdk.httpclient.test.lib.http2.Http2TestExchange;
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import jdk.httpclient.test.lib.http2.Http2Handler;
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import jdk.test.lib.Utils;
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import jdk.test.lib.net.SimpleSSLContext;
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import static java.lang.System.out;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.Assertions;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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public class MappingResponseSubscriber {
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private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
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private static HttpServer httpTestServer; // HTTP/1.1 [ 4 servers ]
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private static HttpsServer httpsTestServer; // HTTPS/1.1
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private static Http2TestServer http2TestServer; // HTTP/2 ( h2c )
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private static Http2TestServer https2TestServer; // HTTP/2 ( h2 )
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private static String httpURI_fixed;
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private static String httpURI_chunk;
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private static String httpsURI_fixed;
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private static String httpsURI_chunk;
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private static String http2URI_fixed;
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private static String http2URI_chunk;
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private static String https2URI_fixed;
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private static String https2URI_chunk;
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static final int ITERATION_COUNT = 3;
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// a shared executor helps reduce the amount of threads created by the test
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static final Executor executor = Executors.newCachedThreadPool();
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static final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
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public static Object[][] variants() {
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return new Object[][]{
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{ httpURI_fixed, false },
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{ httpURI_chunk, false },
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{ httpsURI_fixed, false },
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{ httpsURI_chunk, false },
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{ http2URI_fixed, false },
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{ http2URI_chunk, false },
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{ https2URI_fixed, false,},
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{ https2URI_chunk, false },
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{ httpURI_fixed, true },
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{ httpURI_chunk, true },
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{ httpsURI_fixed, true },
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{ httpsURI_chunk, true },
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{ http2URI_fixed, true },
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{ http2URI_chunk, true },
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{ https2URI_fixed, true,},
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{ https2URI_chunk, true },
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};
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}
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HttpClient newHttpClient() {
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return HttpClient.newBuilder()
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.executor(executor)
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.sslContext(sslContext)
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.build();
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}
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@ParameterizedTest
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@MethodSource("variants")
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public void testAsBytes(String uri, boolean sameClient) throws Exception {
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HttpClient client = null;
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for (int i = 0; i < ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
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.build();
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BodyHandler<byte[]> handler = new CRSBodyHandler();
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HttpResponse<byte[]> response = client.send(req, handler);
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byte[] body = response.body();
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Assertions.assertArrayEquals(bytes, body);
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// if sameClient we will reuse the client for the next
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// operation, so there's nothing more to do.
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if (sameClient) continue;
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// if no error and not same client then wait for the
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// client to be GC'ed before performing the nex operation
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Tracker tracker = TRACKER.getTracker(client);
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client = null;
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System.gc();
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AssertionError error = TRACKER.check(tracker, Utils.adjustTimeout(1500));
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if (error != null) throw error; // the client didn't shut down properly
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}
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if (sameClient) {
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Tracker tracker = TRACKER.getTracker(client);
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client = null;
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System.gc();
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AssertionError error = TRACKER.check(tracker, Utils.adjustTimeout(1500));
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if (error != null) throw error; // the client didn't shut down properly
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}
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}
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static class CRSBodyHandler implements BodyHandler<byte[]> {
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@Override
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public BodySubscriber<byte[]> apply(HttpResponse.ResponseInfo rinfo) {
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assertEquals(200, rinfo.statusCode());
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return BodySubscribers.mapping(
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new CRSBodySubscriber(), (s) -> s.getBytes(UTF_8)
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);
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}
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}
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static class CRSBodySubscriber implements BodySubscriber<String> {
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private final BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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volatile boolean onSubscribeCalled;
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@Override
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public void onSubscribe(Flow.Subscription subscription) {
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//out.println("onSubscribe ");
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onSubscribeCalled = true;
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ofString.onSubscribe(subscription);
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}
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@Override
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public void onNext(List<ByteBuffer> item) {
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// out.println("onNext " + item);
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assertTrue(onSubscribeCalled);
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ofString.onNext(item);
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}
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@Override
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public void onError(Throwable throwable) {
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//out.println("onError");
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assertTrue(onSubscribeCalled);
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ofString.onError(throwable);
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}
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@Override
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public void onComplete() {
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//out.println("onComplete");
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assertTrue(onSubscribeCalled, "onComplete called before onSubscribe");
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ofString.onComplete();
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}
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@Override
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public CompletionStage<String> getBody() {
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return ofString.getBody();
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}
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}
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static String serverAuthority(HttpServer server) {
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return InetAddress.getLoopbackAddress().getHostName() + ":"
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+ server.getAddress().getPort();
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}
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@BeforeAll
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public static void setup() throws Exception {
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// HTTP/1.1
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HttpHandler h1_fixedLengthHandler = new HTTP1_FixedLengthHandler();
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HttpHandler h1_chunkHandler = new HTTP1_ChunkedHandler();
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InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
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httpTestServer = HttpServer.create(sa, 0);
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httpTestServer.createContext("/http1/fixed", h1_fixedLengthHandler);
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httpTestServer.createContext("/http1/chunk", h1_chunkHandler);
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httpURI_fixed = "http://" + serverAuthority(httpTestServer) + "/http1/fixed";
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httpURI_chunk = "http://" + serverAuthority(httpTestServer) + "/http1/chunk";
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httpsTestServer = HttpsServer.create(sa, 0);
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httpsTestServer.setHttpsConfigurator(new TestServerConfigurator(sa.getAddress(), sslContext));
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httpsTestServer.createContext("/https1/fixed", h1_fixedLengthHandler);
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httpsTestServer.createContext("/https1/chunk", h1_chunkHandler);
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httpsURI_fixed = "https://" + serverAuthority(httpsTestServer) + "/https1/fixed";
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httpsURI_chunk = "https://" + serverAuthority(httpsTestServer) + "/https1/chunk";
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// HTTP/2
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Http2Handler h2_fixedLengthHandler = new HTTP2_FixedLengthHandler();
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Http2Handler h2_chunkedHandler = new HTTP2_VariableHandler();
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http2TestServer = new Http2TestServer("localhost", false, 0);
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http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
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http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
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http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed";
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http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk";
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https2TestServer = new Http2TestServer("localhost", true, sslContext);
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https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
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https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
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https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed";
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https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk";
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httpTestServer.start();
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httpsTestServer.start();
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http2TestServer.start();
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https2TestServer.start();
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}
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@AfterAll
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public static void teardown() throws Exception {
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httpTestServer.stop(0);
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httpsTestServer.stop(0);
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http2TestServer.stop();
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https2TestServer.stop();
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}
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static byte[] bytes;
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static {
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bytes = new byte[128 * 1024];
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int b = 'A';
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for (int i=0; i< bytes.length; i++) {
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bytes[i] = (byte)b;
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b = b == 'Z'? 'A' : b + 1;
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}
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}
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static class HTTP1_FixedLengthHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange t) throws IOException {
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out.println("HTTP1_FixedLengthHandler received request to " + t.getRequestURI());
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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t.sendResponseHeaders(200, bytes.length); //no body
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OutputStream os = t.getResponseBody();
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os.write(bytes);
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os.close();
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}
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}
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static class HTTP1_ChunkedHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange t) throws IOException {
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out.println("HTTP1_ChunkedHandler received request to " + t.getRequestURI());
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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t.sendResponseHeaders(200, 0); // chunked
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OutputStream os = t.getResponseBody();
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os.write(bytes);
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os.close();
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}
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}
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static class HTTP2_FixedLengthHandler implements Http2Handler {
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@Override
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public void handle(Http2TestExchange t) throws IOException {
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out.println("HTTP2_FixedLengthHandler received request to " + t.getRequestURI());
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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t.sendResponseHeaders(200, 0); // chunked
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OutputStream os = t.getResponseBody();
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os.write(bytes);
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os.close();
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}
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}
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static class HTTP2_VariableHandler implements Http2Handler {
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@Override
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public void handle(Http2TestExchange t) throws IOException {
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out.println("HTTP2_VariableHandler received request to " + t.getRequestURI());
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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t.sendResponseHeaders(200, bytes.length); //no body
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OutputStream os = t.getResponseBody();
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os.write(bytes);
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os.close();
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}
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}
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// -- Compile only. Verifies generic signatures
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static final Function<CharSequence,Integer> f1 = subscriber -> 1;
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static final Function<CharSequence,Number> f2 = subscriber -> 2;
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static final Function<String,Integer> f3 = subscriber -> 3;
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static final Function<String,Number> f4 = subscriber -> 4;
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public void compileOnly() throws Exception {
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HttpClient client = null;
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HttpRequest req = null;
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HttpResponse<Integer> r1 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> 1));
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HttpResponse<Number> r2 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> 1));
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HttpResponse<String> r3 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> "s"));
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HttpResponse<CharSequence> r4 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> "s"));
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HttpResponse<Integer> x1 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f1));
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HttpResponse<Number> x2 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f1));
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HttpResponse<Number> x3 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f2));
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HttpResponse<Integer> x4 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f3));
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HttpResponse<Number> x5 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f3));
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HttpResponse<Number> x7 = client.send(req, (ri) ->
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BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f4));
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}
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}
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