russell@unturf.com
0a580b313d
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.
469 lines
19 KiB
Java
469 lines
19 KiB
Java
/*
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* Copyright (c) 2020, 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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* @bug 8244205
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* @summary checks that a different proxy returned for
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* the same host:port is taken into account
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build DigestEchoServer ProxySelectorTest
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* jdk.test.lib.net.SimpleSSLContext
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* @run junit/othervm
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* -Djdk.http.auth.tunneling.disabledSchemes
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* -Djdk.httpclient.HttpClient.log=headers,requests
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* -Djdk.internal.httpclient.debug=true
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* ProxySelectorTest
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*/
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import jdk.test.lib.net.SimpleSSLContext;
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import javax.net.ssl.SSLContext;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.Proxy;
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import java.net.ProxySelector;
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import java.net.SocketAddress;
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import java.net.URI;
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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.BodyHandlers;
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import java.util.List;
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import java.util.Optional;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import java.util.concurrent.ExecutionException;
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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.atomic.AtomicLong;
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import java.util.concurrent.atomic.AtomicReference;
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import jdk.httpclient.test.lib.common.HttpServerAdapters;
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import static java.lang.System.err;
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import static java.lang.System.out;
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import static java.net.http.HttpClient.Version.HTTP_1_1;
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import static java.net.http.HttpClient.Version.HTTP_2;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import org.junit.jupiter.api.Assumptions;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.extension.BeforeEachCallback;
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import org.junit.jupiter.api.extension.ExtensionContext;
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import org.junit.jupiter.api.extension.RegisterExtension;
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import org.junit.jupiter.api.extension.TestWatcher;
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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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import static org.junit.jupiter.api.Assertions.*;
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public class ProxySelectorTest implements HttpServerAdapters {
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private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
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private static HttpTestServer httpTestServer; // HTTP/1.1
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private static HttpTestServer proxyHttpTestServer; // HTTP/1.1
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private static HttpTestServer authProxyHttpTestServer; // HTTP/1.1
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private static HttpTestServer http2TestServer; // HTTP/2 ( h2c )
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private static HttpTestServer httpsTestServer; // HTTPS/1.1
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private static HttpTestServer https2TestServer; // HTTP/2 ( h2 )
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private static DigestEchoServer.TunnelingProxy proxy;
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private static DigestEchoServer.TunnelingProxy authproxy;
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private static String httpURI;
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private static String httpsURI;
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private static String proxyHttpURI;
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private static String http2URI;
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private static String https2URI;
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private static HttpClient client;
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private static final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
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static final long SLEEP_AFTER_TEST = 0; // milliseconds
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static final int ITERATIONS = 3;
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static final Executor executor = new TestExecutor(Executors.newCachedThreadPool());
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static final ConcurrentMap<String, Throwable> FAILURES = new ConcurrentHashMap<>();
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static volatile boolean tasksFailed;
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static final AtomicLong serverCount = new AtomicLong();
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static final AtomicLong clientCount = new AtomicLong();
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static final long start = System.nanoTime();
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public static String now() {
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long now = System.nanoTime() - start;
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long secs = now / 1000_000_000;
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long mill = (now % 1000_000_000) / 1000_000;
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long nan = now % 1000_000;
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return String.format("[%d s, %d ms, %d ns] ", secs, mill, nan);
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}
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static class TestExecutor implements Executor {
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final AtomicLong tasks = new AtomicLong();
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Executor executor;
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TestExecutor(Executor executor) {
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this.executor = executor;
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}
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@Override
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public void execute(Runnable command) {
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long id = tasks.incrementAndGet();
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executor.execute(() -> {
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try {
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command.run();
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} catch (Throwable t) {
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tasksFailed = true;
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out.printf(now() + "Task %s failed: %s%n", id, t);
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err.printf(now() + "Task %s failed: %s%n", id, t);
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FAILURES.putIfAbsent("Task " + id, t);
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throw t;
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}
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});
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}
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}
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private static boolean stopAfterFirstFailure() {
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return Boolean.getBoolean("jdk.internal.httpclient.debug");
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}
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static final class TestStopper implements TestWatcher, BeforeEachCallback {
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final AtomicReference<String> failed = new AtomicReference<>();
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TestStopper() { }
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@Override
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public void testFailed(ExtensionContext context, Throwable cause) {
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if (stopAfterFirstFailure()) {
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String msg = "Aborting due to: " + cause;
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failed.compareAndSet(null, msg);
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FAILURES.putIfAbsent(context.getDisplayName(), cause);
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System.out.printf("%nTEST FAILED: %s%s%n\tAborting due to %s%n%n",
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now(), context.getDisplayName(), cause);
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System.err.printf("%nTEST FAILED: %s%s%n\tAborting due to %s%n%n",
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now(), context.getDisplayName(), cause);
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}
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}
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@Override
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public void beforeEach(ExtensionContext context) {
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String msg = failed.get();
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Assumptions.assumeTrue(msg == null, msg);
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}
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}
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@RegisterExtension
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static final TestStopper stopper = new TestStopper();
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@AfterAll
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static void printFailedTests() {
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out.println("\n=========================");
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try {
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// Exceptions should already have been added to FAILURES
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// var failed = context.getFailedTests().getAllResults().stream()
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// .collect(Collectors.toMap(r -> name(r), ITestResult::getThrowable));
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// FAILURES.putAll(failed);
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out.printf("%n%sCreated %d servers and %d clients%n",
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now(), serverCount.get(), clientCount.get());
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if (FAILURES.isEmpty()) return;
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out.println("Failed tests: ");
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FAILURES.entrySet().forEach((e) -> {
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out.printf("\t%s: %s%n", e.getKey(), e.getValue());
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e.getValue().printStackTrace(out);
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e.getValue().printStackTrace();
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});
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if (tasksFailed) {
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out.println("WARNING: Some tasks failed");
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}
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} finally {
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out.println("\n=========================\n");
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}
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}
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/*
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* NOT_MODIFIED status code results from a conditional GET where
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* the server does not (must not) return a response body because
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* the condition specified in the request disallows it
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*/
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static final int UNAUTHORIZED = 401;
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static final int PROXY_UNAUTHORIZED = 407;
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static final int HTTP_OK = 200;
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enum Schemes {
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HTTP, HTTPS
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}
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public static Object[][] positive() {
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return new Object[][] {
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{ Schemes.HTTP, HTTP_1_1, httpURI, true},
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{ Schemes.HTTP, HttpClient.Version.HTTP_2, http2URI, true},
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{ Schemes.HTTPS, HTTP_1_1, httpsURI, true},
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{ Schemes.HTTPS, HttpClient.Version.HTTP_2, https2URI, true},
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{ Schemes.HTTP, HTTP_1_1, httpURI, false},
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{ Schemes.HTTP, HttpClient.Version.HTTP_2, http2URI, false},
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{ Schemes.HTTPS, HTTP_1_1, httpsURI, false},
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{ Schemes.HTTPS, HttpClient.Version.HTTP_2, https2URI, false},
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};
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}
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static final AtomicLong sleepCount = new AtomicLong();
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@ParameterizedTest
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@MethodSource("positive")
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void test(Schemes scheme, HttpClient.Version version, String uri, boolean async)
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throws Throwable
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{
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var name = String.format("test(%s, %s, %s)", scheme, version, async);
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out.printf("%n---- starting %s ----%n", name);
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for (int i=0; i<ITERATIONS; i++) {
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if (ITERATIONS > 1) out.printf("---- ITERATION %d%n",i);
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try {
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doTest(scheme, version, uri, async);
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long count = sleepCount.incrementAndGet();
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System.err.println(now() + " Sleeping: " + count);
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Thread.sleep(SLEEP_AFTER_TEST);
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System.err.println(now() + " Waking up: " + count);
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} catch (Throwable x) {
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FAILURES.putIfAbsent(name, x);
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throw x;
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}
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}
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}
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private <T> HttpResponse<T> send(HttpClient client,
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URI uri,
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HttpResponse.BodyHandler<T> handler,
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boolean async) throws Throwable {
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HttpRequest.Builder requestBuilder = HttpRequest
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.newBuilder(uri)
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.GET();
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HttpRequest request = requestBuilder.build();
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out.println("Sending request: " + request.uri());
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HttpResponse<T> response;
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if (async) {
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response = client.send(request, handler);
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} else {
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try {
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response = client.sendAsync(request, handler).get();
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} catch (ExecutionException ex) {
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throw ex.getCause();
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}
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}
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return response;
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}
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private void doTest(Schemes scheme,
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HttpClient.Version version,
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String uriString,
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boolean async) throws Throwable {
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URI uri1 = URI.create(uriString + "/server/ProxySelectorTest");
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URI uri2 = URI.create(uriString + "/proxy/noauth/ProxySelectorTest");
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URI uri3 = URI.create(uriString + "/proxy/auth/ProxySelectorTest");
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HttpResponse<String> response;
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// First request should go with a direct connection.
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// A plain server or https server should serve it, and we should get 200 OK
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response = send(client, uri1, BodyHandlers.ofString(), async);
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out.println("Got response from plain server: " + response);
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assertEquals(HTTP_OK, response.statusCode());
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assertEquals(scheme == Schemes.HTTPS
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? Optional.of("https-server")
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: Optional.of("plain-server"),
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response.headers().firstValue("X-value"));
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// Second request should go through a non authenticating proxy.
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// For a clear connection - a proxy-server should serve it, and we should get 200 OK
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// For an https connection - a tunnel should be established through the non
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// authenticating proxy - and we should receive 200 OK from an https-server
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response = send(client, uri2, BodyHandlers.ofString(), async);
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out.println("Got response through noauth proxy: " + response);
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assertEquals(HTTP_OK, response.statusCode());
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assertEquals(scheme == Schemes.HTTPS
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? Optional.of("https-server")
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: Optional.of("proxy-server"),
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response.headers().firstValue("X-value"));
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// Third request should go through an authenticating proxy.
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// For a clear connection - an auth-proxy-server should serve it, and we
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// should get 407
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// For an https connection - a tunnel should be established through an
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// authenticating proxy - and we should receive 407 directly from the
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// proxy - so the X-value header will be absent
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response = send(client, uri3, BodyHandlers.ofString(), async);
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out.println("Got response through auth proxy: " + response);
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assertEquals(PROXY_UNAUTHORIZED, response.statusCode());
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assertEquals(scheme == Schemes.HTTPS
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? Optional.empty()
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: Optional.of("auth-proxy-server"),
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response.headers().firstValue("X-value"));
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}
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// -- Infrastructure
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@BeforeAll
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public static void setup() throws Exception {
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httpTestServer = HttpTestServer.create(HTTP_1_1);
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httpTestServer.addHandler(new PlainServerHandler("plain-server"), "/http1/");
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httpURI = "http://" + httpTestServer.serverAuthority() + "/http1";
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proxyHttpTestServer = HttpTestServer.create(HTTP_1_1);
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proxyHttpTestServer.addHandler(new PlainServerHandler("proxy-server"), "/http1/proxy/");
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proxyHttpTestServer.addHandler(new PlainServerHandler("proxy-server"), "/http2/proxy/");
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proxyHttpURI = "http://" + httpTestServer.serverAuthority() + "/http1";
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authProxyHttpTestServer = HttpTestServer.create(HTTP_1_1);
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authProxyHttpTestServer.addHandler(new UnauthorizedHandler("auth-proxy-server"), "/http1/proxy/");
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authProxyHttpTestServer.addHandler(new UnauthorizedHandler("auth-proxy-server"), "/http2/proxy/");
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proxyHttpURI = "http://" + httpTestServer.serverAuthority() + "/http1";
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httpsTestServer = HttpTestServer.create(HTTP_1_1, sslContext);
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httpsTestServer.addHandler(new PlainServerHandler("https-server"),"/https1/");
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httpsURI = "https://" + httpsTestServer.serverAuthority() + "/https1";
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http2TestServer = HttpTestServer.create(HTTP_2);
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http2TestServer.addHandler(new PlainServerHandler("plain-server"), "/http2/");
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http2URI = "http://" + http2TestServer.serverAuthority() + "/http2";
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https2TestServer = HttpTestServer.create(HTTP_2, sslContext);
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https2TestServer.addHandler(new PlainServerHandler("https-server"), "/https2/");
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https2URI = "https://" + https2TestServer.serverAuthority() + "/https2";
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proxy = DigestEchoServer.createHttpsProxyTunnel(DigestEchoServer.HttpAuthSchemeType.NONE);
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authproxy = DigestEchoServer.createHttpsProxyTunnel(DigestEchoServer.HttpAuthSchemeType.BASIC);
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client = TRACKER.track(HttpClient.newBuilder()
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.proxy(new TestProxySelector())
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.sslContext(sslContext)
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.executor(executor)
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.build());
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clientCount.incrementAndGet();
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httpTestServer.start();
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serverCount.incrementAndGet();
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proxyHttpTestServer.start();
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serverCount.incrementAndGet();
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authProxyHttpTestServer.start();
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serverCount.incrementAndGet();
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httpsTestServer.start();
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serverCount.incrementAndGet();
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http2TestServer.start();
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serverCount.incrementAndGet();
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https2TestServer.start();
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serverCount.incrementAndGet();
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}
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@AfterAll
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public static void teardown() throws Exception {
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client = null;
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Thread.sleep(100);
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AssertionError fail = TRACKER.check(1500);
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try {
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proxy.stop();
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authproxy.stop();
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httpTestServer.stop();
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proxyHttpTestServer.stop();
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authProxyHttpTestServer.stop();
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httpsTestServer.stop();
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http2TestServer.stop();
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https2TestServer.stop();
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} finally {
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if (fail != null) throw fail;
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}
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}
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static final class TestProxySelector extends ProxySelector {
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@Override
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public List<Proxy> select(URI uri) {
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String path = uri.getPath();
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out.println("Selecting proxy for: " + uri);
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if (path.contains("/proxy/")) {
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if (path.contains("/http1/") || path.contains("/http2/")) {
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// Simple proxying
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var p = path.contains("/auth/") ? authProxyHttpTestServer : proxyHttpTestServer;
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return List.of(new Proxy(Proxy.Type.HTTP, p.getAddress()));
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} else {
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// Both HTTPS or HTTPS/2 require tunnelling
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var p = path.contains("/auth/") ? authproxy : proxy;
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return List.of(new Proxy(Proxy.Type.HTTP, p.getProxyAddress()));
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}
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}
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System.out.print("NO_PROXY for " + uri);
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return List.of(Proxy.NO_PROXY);
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}
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@Override
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public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
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System.err.printf("Connect failed for: uri=\"%s\", sa=\"%s\", ioe=%s%n", uri, sa, ioe);
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}
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}
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static class PlainServerHandler implements HttpTestHandler {
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final String serverType;
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PlainServerHandler(String serverType) {
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this.serverType = serverType;
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}
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@Override
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public void handle(HttpTestExchange t) throws IOException {
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readAllRequestData(t); // shouldn't be any
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String method = t.getRequestMethod();
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String path = t.getRequestURI().getPath();
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HttpTestRequestHeaders reqh = t.getRequestHeaders();
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HttpTestResponseHeaders rsph = t.getResponseHeaders();
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rsph.addHeader("X-value", serverType);
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byte[] body = "RESPONSE".getBytes(UTF_8);
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t.sendResponseHeaders(HTTP_OK, body.length);
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try (var out = t.getResponseBody()) {
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out.write(body);
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}
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}
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}
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static class UnauthorizedHandler implements HttpTestHandler {
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final String serverType;
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UnauthorizedHandler(String serverType) {
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this.serverType = serverType;
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}
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@Override
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public void handle(HttpTestExchange t) throws IOException {
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readAllRequestData(t); // shouldn't be any
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String path = t.getRequestURI().getPath();
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HttpTestResponseHeaders rsph = t.getResponseHeaders();
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String prefix = path.contains("/proxy/") ? "Proxy-" : "WWW-";
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int code = path.contains("/proxy/") ? PROXY_UNAUTHORIZED : UNAUTHORIZED;
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String resp = prefix + "Unauthorized";
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rsph.addHeader(prefix + "Authenticate", "Basic realm=\"earth\", charset=\"UTF-8\"");
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byte[] body = resp.getBytes(UTF_8);
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rsph.addHeader("X-value", serverType);
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t.sendResponseHeaders(code, body.length);
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try (var out = t.getResponseBody()) {
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out.write(body);
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}
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}
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}
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static void readAllRequestData(HttpTestExchange t) throws IOException {
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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}
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}
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