492 lines
22 KiB
Java
492 lines
22 KiB
Java
/*
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* Copyright (c) 2022, 2023, 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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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.ProtocolException;
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import java.net.ServerSocket;
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import java.net.Socket;
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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.HttpTimeoutException;
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import java.nio.charset.StandardCharsets;
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import java.time.Duration;
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import javax.net.ssl.SSLContext;
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import jdk.httpclient.test.lib.common.HttpServerAdapters;
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import jdk.httpclient.test.lib.http2.Http2TestServer;
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import jdk.test.lib.net.SimpleSSLContext;
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import jdk.test.lib.net.URIBuilder;
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import org.testng.Assert;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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import static java.net.http.HttpClient.Version.HTTP_2;
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/**
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* @test
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* @bug 8292044
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* @summary Tests behaviour of HttpClient when server responds with 102 or 103 status codes
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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.common.HttpServerAdapters
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* jdk.httpclient.test.lib.http2.Http2TestServer
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* @run testng/othervm -Djdk.internal.httpclient.debug=true
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* * -Djdk.httpclient.HttpClient.log=headers,requests,responses,errors Response1xxTest
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*/
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public class Response1xxTest implements HttpServerAdapters {
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private static final String EXPECTED_RSP_BODY = "Hello World";
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private ServerSocket serverSocket;
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private Http11Server server;
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private String http1RequestURIBase;
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private HttpTestServer http2Server; // h2c
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private String http2RequestURIBase;
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private SSLContext sslContext;
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private HttpTestServer https2Server; // h2
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private String https2RequestURIBase;
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private final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
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@BeforeClass
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public void setup() throws Exception {
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serverSocket = new ServerSocket(0, 0, InetAddress.getLoopbackAddress());
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server = new Http11Server(serverSocket);
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new Thread(server).start();
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http1RequestURIBase = URIBuilder.newBuilder().scheme("http").loopback()
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.port(serverSocket.getLocalPort()).build().toString();
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http2Server = HttpTestServer.create(HTTP_2);
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http2Server.addHandler(new Http2Handler(), "/http2/102");
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http2Server.addHandler(new Http2Handler(), "/http2/103");
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http2Server.addHandler(new Http2Handler(), "/http2/100");
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http2Server.addHandler(new Http2Handler(), "/http2/101");
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http2Server.addHandler(new OKHandler(), "/http2/200");
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http2Server.addHandler(new OnlyInformationalHandler(), "/http2/only-informational");
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http2RequestURIBase = URIBuilder.newBuilder().scheme("http").loopback()
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.port(http2Server.getAddress().getPort())
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.path("/http2").build().toString();
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http2Server.start();
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System.out.println("Started HTTP2 server at " + http2Server.getAddress());
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sslContext = new SimpleSSLContext().get();
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if (sslContext == null) {
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throw new AssertionError("Unexpected null sslContext");
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}
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https2Server = HttpTestServer.create(HTTP_2, sslContext);
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https2Server.addHandler(new Http2Handler(), "/http2/101");
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https2RequestURIBase = URIBuilder.newBuilder().scheme("https").loopback()
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.port(https2Server.getAddress().getPort())
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.path("/http2").build().toString();
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https2Server.start();
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System.out.println("Started (https) HTTP2 server at " + https2Server.getAddress());
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}
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@AfterClass
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public void teardown() throws Throwable {
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try {
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assertNoOutstandingClientOps();
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} finally {
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if (server != null) {
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server.stop = true;
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System.out.println("(HTTP 1.1) Server stop requested");
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}
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if (serverSocket != null) {
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serverSocket.close();
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System.out.println("Closed (HTTP 1.1) server socket");
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}
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if (http2Server != null) {
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http2Server.stop();
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System.out.println("Stopped HTTP2 server");
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}
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if (https2Server != null) {
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https2Server.stop();
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System.out.println("Stopped (https) HTTP2 server");
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}
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}
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}
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private static final class Http11Server implements Runnable {
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private static final int CONTENT_LENGTH = EXPECTED_RSP_BODY.getBytes(StandardCharsets.UTF_8).length;
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private static final String HTTP_1_1_RSP_200 = "HTTP/1.1 200 OK\r\n" +
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"Content-Length: " + CONTENT_LENGTH + "\r\n\r\n" +
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EXPECTED_RSP_BODY;
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private static final String REQ_LINE_FOO = "GET /test/foo HTTP/1.1\r\n";
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private static final String REQ_LINE_BAR = "GET /test/bar HTTP/1.1\r\n";
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private static final String REQ_LINE_HELLO = "GET /test/hello HTTP/1.1\r\n";
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private static final String REQ_LINE_BYE = "GET /test/bye HTTP/1.1\r\n";
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private final ServerSocket serverSocket;
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private volatile boolean stop;
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private Http11Server(final ServerSocket serverSocket) {
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this.serverSocket = serverSocket;
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}
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@Override
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public void run() {
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System.out.println("Server running at " + serverSocket);
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while (!stop) {
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Socket socket = null;
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try {
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// accept a connection
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socket = serverSocket.accept();
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System.out.println("Accepted connection from client " + socket);
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// read request
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final String requestLine;
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try {
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requestLine = readRequestLine(socket);
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} catch (Throwable t) {
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// ignore connections from potential rogue client
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System.err.println("Ignoring connection/request from client " + socket
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+ " due to exception:");
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t.printStackTrace();
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// close the socket
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safeClose(socket);
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continue;
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}
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System.out.println("Received following request line from client " + socket
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+ " :\n" + requestLine);
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final int informationalResponseCode;
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if (requestLine.startsWith(REQ_LINE_FOO)) {
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// we will send intermediate/informational 102 response
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informationalResponseCode = 102;
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} else if (requestLine.startsWith(REQ_LINE_BAR)) {
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// we will send intermediate/informational 103 response
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informationalResponseCode = 103;
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} else if (requestLine.startsWith(REQ_LINE_HELLO)) {
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// we will send intermediate/informational 100 response
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informationalResponseCode = 100;
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} else if (requestLine.startsWith(REQ_LINE_BYE)) {
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// we will send intermediate/informational 101 response
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informationalResponseCode = 101;
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} else {
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// unexpected client. ignore and close the client
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System.err.println("Ignoring unexpected request from client " + socket);
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safeClose(socket);
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continue;
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}
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try (final OutputStream os = socket.getOutputStream()) {
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// send informational response headers a few times (spec allows them to
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// be sent multiple times)
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for (int i = 0; i < 3; i++) {
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// send 1xx response header
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if (informationalResponseCode == 101) {
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os.write(("HTTP/1.1 " + informationalResponseCode + "\r\n" +
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"Connection: upgrade\r\n" +
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"Upgrade: websocket\r\n\r\n")
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.getBytes(StandardCharsets.UTF_8));
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} else {
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os.write(("HTTP/1.1 " + informationalResponseCode + "\r\n\r\n")
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.getBytes(StandardCharsets.UTF_8));
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}
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os.flush();
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System.out.println("Sent response code " + informationalResponseCode
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+ " to client " + socket);
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}
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// now send a final response
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System.out.println("Now sending 200 response code to client " + socket);
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os.write(HTTP_1_1_RSP_200.getBytes(StandardCharsets.UTF_8));
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os.flush();
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System.out.println("Sent 200 response code to client " + socket);
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}
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} catch (Throwable t) {
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// close the client connection
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safeClose(socket);
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// continue accepting any other client connections until we are asked to stop
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System.err.println("Ignoring exception in server:");
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t.printStackTrace();
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}
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}
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}
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static String readRequestLine(final Socket sock) throws IOException {
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final InputStream is = sock.getInputStream();
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final StringBuilder sb = new StringBuilder("");
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byte[] buf = new byte[1024];
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while (!sb.toString().endsWith("\r\n\r\n")) {
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final int numRead = is.read(buf);
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if (numRead == -1) {
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return sb.toString();
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}
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final String part = new String(buf, 0, numRead, StandardCharsets.ISO_8859_1);
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sb.append(part);
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}
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return sb.toString();
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}
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private static void safeClose(final Socket socket) {
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try {
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socket.close();
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} catch (Throwable t) {
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// ignore
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}
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}
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}
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private static class Http2Handler implements HttpTestHandler {
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@Override
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public void handle(final HttpTestExchange exchange) throws IOException {
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final URI requestURI = exchange.getRequestURI();
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final int informationResponseCode;
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if (requestURI.getPath().endsWith("/102")) {
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informationResponseCode = 102;
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} else if (requestURI.getPath().endsWith("/103")) {
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informationResponseCode = 103;
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} else if (requestURI.getPath().endsWith("/100")) {
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informationResponseCode = 100;
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} else if (requestURI.getPath().endsWith("/101")) {
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informationResponseCode = 101;
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} else {
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// unexpected request
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System.err.println("Unexpected request " + requestURI + " from client "
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+ exchange.getRemoteAddress());
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exchange.sendResponseHeaders(400, -1);
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return;
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}
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// send informational response headers a few times (spec allows them to
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// be sent multiple times)
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for (int i = 0; i < 3; i++) {
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exchange.sendResponseHeaders(informationResponseCode, -1);
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System.out.println("Sent " + informationResponseCode + " response code from H2 server");
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}
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// now send 200 response
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try {
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final byte[] body = EXPECTED_RSP_BODY.getBytes(StandardCharsets.UTF_8);
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exchange.sendResponseHeaders(200, body.length);
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System.out.println("Sent 200 response from H2 server");
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try (OutputStream os = exchange.getResponseBody()) {
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os.write(body);
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}
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System.out.println("Sent response body from H2 server");
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} catch (Throwable e) {
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System.err.println("Failed to send response from HTTP2 handler:");
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e.printStackTrace();
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throw e;
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}
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}
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}
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private static class OnlyInformationalHandler implements HttpTestHandler {
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@Override
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public void handle(final HttpTestExchange exchange) throws IOException {
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// we only send informational response and then return
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for (int i = 0; i < 5; i++) {
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exchange.sendResponseHeaders(102, -1);
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System.out.println("Sent 102 response code from H2 server");
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// wait for a while before sending again
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try {
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Thread.sleep(2000);
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} catch (InterruptedException e) {
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// just return
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System.err.println("Handler thread interrupted");
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}
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}
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}
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}
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private static class OKHandler implements HttpTestHandler {
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@Override
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public void handle(final HttpTestExchange exchange) throws IOException {
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exchange.sendResponseHeaders(200, -1);
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}
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}
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/**
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* Tests that when a HTTP/1.1 server sends intermediate 1xx response codes and then the final
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* response, the client (internally) will ignore those intermediate informational response codes
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* and only return the final response to the application
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*/
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@Test
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public void test1xxForHTTP11() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HttpClient.Version.HTTP_1_1)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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final URI[] requestURIs = new URI[]{
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new URI(http1RequestURIBase + "/test/foo"),
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new URI(http1RequestURIBase + "/test/bar"),
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new URI(http1RequestURIBase + "/test/hello")};
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for (final URI requestURI : requestURIs) {
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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System.out.println("Issuing request to " + requestURI);
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final HttpResponse<String> response = client.send(request,
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HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
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Assert.assertEquals(response.version(), HttpClient.Version.HTTP_1_1,
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"Unexpected HTTP version in response");
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Assert.assertEquals(response.statusCode(), 200, "Unexpected response code");
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Assert.assertEquals(response.body(), EXPECTED_RSP_BODY, "Unexpected response body");
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}
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}
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/**
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* Tests that when a HTTP2 server sends intermediate 1xx response codes and then the final
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* response, the client (internally) will ignore those intermediate informational response codes
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* and only return the final response to the application
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*/
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@Test
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public void test1xxForHTTP2() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HTTP_2)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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final URI[] requestURIs = new URI[]{
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new URI(http2RequestURIBase + "/102"),
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new URI(http2RequestURIBase + "/103"),
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new URI(http2RequestURIBase + "/100")};
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for (final URI requestURI : requestURIs) {
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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System.out.println("Issuing request to " + requestURI);
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final HttpResponse<String> response = client.send(request,
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HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
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Assert.assertEquals(response.version(), HTTP_2,
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"Unexpected HTTP version in response");
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Assert.assertEquals(response.statusCode(), 200, "Unexpected response code");
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Assert.assertEquals(response.body(), EXPECTED_RSP_BODY, "Unexpected response body");
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}
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}
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/**
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* Tests that when a request is issued with a specific request timeout and the server
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* responds with intermediate 1xx response code but doesn't respond with a final response within
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* the timeout duration, then the application fails with a request timeout
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*/
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@Test
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public void test1xxRequestTimeout() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HTTP_2)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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final URI requestURI = new URI(http2RequestURIBase + "/only-informational");
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final Duration requestTimeout = Duration.ofSeconds(2);
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final HttpRequest request = HttpRequest.newBuilder(requestURI).timeout(requestTimeout)
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.build();
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System.out.println("Issuing request to " + requestURI);
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// we expect the request to timeout
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Assert.assertThrows(HttpTimeoutException.class, () -> {
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client.send(request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
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});
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}
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/**
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* Tests that when the HTTP/1.1 server sends a 101 response when the request hasn't asked
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* for an "Upgrade" then the request fails.
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*/
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@Test
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public void testHTTP11Unexpected101() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HttpClient.Version.HTTP_1_1)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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final URI requestURI = new URI(http1RequestURIBase + "/test/bye");
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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System.out.println("Issuing request to " + requestURI);
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// we expect the request to fail because the server sent an unexpected 101
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Assert.assertThrows(ProtocolException.class,
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() -> client.send(request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8)));
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}
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/**
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* Tests that when the HTTP2 server (over HTTPS) sends a 101 response when the request
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* hasn't asked for an "Upgrade" then the request fails.
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*/
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@Test
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public void testSecureHTTP2Unexpected101() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HTTP_2)
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.sslContext(sslContext)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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final URI requestURI = new URI(https2RequestURIBase + "/101");
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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System.out.println("Issuing request to " + requestURI);
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// we expect the request to fail because the server sent an unexpected 101
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Assert.assertThrows(ProtocolException.class,
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() -> client.send(request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8)));
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}
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/**
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* Tests that when the HTTP2 server (over plain HTTP) sends a 101 response when the request
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* hasn't asked for an "Upgrade" then the request fails.
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*/
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@Test
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public void testPlainHTTP2Unexpected101() throws Exception {
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final HttpClient client = HttpClient.newBuilder()
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.version(HTTP_2)
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.proxy(HttpClient.Builder.NO_PROXY).build();
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TRACKER.track(client);
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// when using HTTP2 version against a "http://" (non-secure) URI
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// the HTTP client (implementation) internally initiates a HTTP/1.1 connection
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// and then does an "Upgrade:" to "h2c". This it does when there isn't already a
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// H2 connection against the target/destination server. So here we initiate a dummy request
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// using the client instance against the same target server and just expect it to return
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// back successfully. Once that connection is established (and internally pooled), the client
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// will then reuse that connection and won't issue an "Upgrade:" and thus we can then
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// start our testing
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warmupH2Client(client);
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// start the actual testing
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final URI requestURI = new URI(http2RequestURIBase + "/101");
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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System.out.println("Issuing request to " + requestURI);
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// we expect the request to fail because the server sent an unexpected 101
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Assert.assertThrows(ProtocolException.class,
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() -> client.send(request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8)));
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}
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// sends a request and expects a 200 response back
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private void warmupH2Client(final HttpClient client) throws Exception {
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final URI requestURI = new URI(http2RequestURIBase + "/200");
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final HttpRequest request = HttpRequest.newBuilder(requestURI).build();
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|
System.out.println("Issuing (warmup) request to " + requestURI);
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final HttpResponse<Void> response = client.send(request, HttpResponse.BodyHandlers.discarding());
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Assert.assertEquals(response.statusCode(), 200, "Unexpected response code");
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|
}
|
|
|
|
// verifies that the HttpClient being tracked has no outstanding operations
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|
private void assertNoOutstandingClientOps() throws AssertionError {
|
|
System.gc();
|
|
final AssertionError refCheckFailure = TRACKER.check(1000);
|
|
if (refCheckFailure != null) {
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|
throw refCheckFailure;
|
|
}
|
|
// successful test completion
|
|
}
|
|
}
|