/* * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8278398 * @summary Tests the jwebserver's maximum request time * @modules jdk.httpserver * @library /test/lib * @run testng/othervm MaxRequestTimeTest */ import java.io.IOException; import java.net.InetAddress; import java.net.URI; import java.net.http.HttpClient; import java.net.http.HttpRequest; import java.net.http.HttpResponse; import java.nio.file.Files; import java.nio.file.Path; import java.util.concurrent.TimeUnit; import java.util.concurrent.atomic.AtomicInteger; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLException; import jdk.test.lib.Platform; import jdk.test.lib.net.SimpleSSLContext; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; import jdk.test.lib.util.FileUtils; import org.testng.annotations.AfterTest; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; import static java.lang.System.out; import static java.net.http.HttpClient.Builder.NO_PROXY; import static org.testng.Assert.*; /** * This test confirms that the jwebserver does not wait indefinitely for * a request to arrive. * * The jwebserver has a maximum request time of 5 seconds, which is set with the * "sun.net.httpserver.maxReqTime" system property. If this threshold is * reached, for example in the case of an HTTPS request where the server keeps * waiting for a plaintext request, the server closes the connection. Subsequent * requests are expected to be handled as normal. * * The test checks in the following order that: * 1. an HTTP request is handled successfully, * 2. an HTTPS request fails due to the server closing the connection * 3. another HTTP request is handled successfully. */ public class MaxRequestTimeTest { static final Path JAVA_HOME = Path.of(System.getProperty("java.home")); static final String JWEBSERVER = getJwebserver(JAVA_HOME); static final Path CWD = Path.of(".").toAbsolutePath().normalize(); static final Path TEST_DIR = CWD.resolve("MaxRequestTimeTest"); static final String LOOPBACK_ADDR = InetAddress.getLoopbackAddress().getHostAddress(); static final AtomicInteger PORT = new AtomicInteger(); static SSLContext sslContext; @BeforeTest public void setup() throws IOException { if (Files.exists(TEST_DIR)) { FileUtils.deleteFileTreeWithRetry(TEST_DIR); } Files.createDirectories(TEST_DIR); sslContext = new SimpleSSLContext().get(); if (sslContext == null) throw new AssertionError("Unexpected null sslContext"); } @Test public void testMaxRequestTime() throws Throwable { final var sb = new StringBuffer(); // stdout & stderr final var p = startProcess("jwebserver", sb); try { sendHTTPSRequest(); // server expected to terminate connection sendHTTPRequest(); // server expected to respond successfully sendHTTPSRequest(); // server expected to terminate connection sendHTTPRequest(); // server expected to respond successfully } finally { p.destroy(); int exitCode = p.waitFor(); checkOutput(sb, exitCode); } } static String expectedBody = """

Directory listing for /

"""; void sendHTTPRequest() throws IOException, InterruptedException { out.println("\n--- sendHTTPRequest"); var client = HttpClient.newBuilder() .proxy(NO_PROXY) .build(); var request = HttpRequest.newBuilder(URI.create("http://localhost:" + PORT.get() + "/")).build(); var response = client.send(request, HttpResponse.BodyHandlers.ofString()); assertEquals(response.body(), expectedBody); } void sendHTTPSRequest() throws IOException, InterruptedException { out.println("\n--- sendHTTPSRequest"); var client = HttpClient.newBuilder() .sslContext(sslContext) .proxy(NO_PROXY) .build(); var request = HttpRequest.newBuilder(URI.create("https://localhost:" + PORT.get() + "/")).build(); try { client.send(request, HttpResponse.BodyHandlers.ofString()); throw new RuntimeException("Expected SSLException not thrown"); } catch (SSLException expected) { // server closes connection when max request time is reached expected.printStackTrace(System.out); } } @AfterTest public void teardown() throws IOException { if (Files.exists(TEST_DIR)) { FileUtils.deleteFileTreeWithRetry(TEST_DIR); } } // --- infra --- static String getJwebserver(Path image) { boolean isWindows = System.getProperty("os.name").startsWith("Windows"); Path jwebserver = image.resolve("bin").resolve(isWindows ? "jwebserver.exe" : "jwebserver"); if (Files.notExists(jwebserver)) throw new RuntimeException(jwebserver + " not found"); return jwebserver.toAbsolutePath().toString(); } // The stdout/stderr output line to wait for when starting the jwebserver static final String REGULAR_STARTUP_LINE_STRING_1 = "URL http://"; static final String REGULAR_STARTUP_LINE_STRING_2 = "Serving "; static void parseAndSetPort(String line) { PORT.set(Integer.parseInt(line.split(" port ")[1])); } static Process startProcess(String name, StringBuffer sb) throws Throwable { // starts the process, parses the port and awaits startup line before sending requests return ProcessTools.startProcess(name, new ProcessBuilder(JWEBSERVER, "-p", "0").directory(TEST_DIR.toFile()), line -> { if (line.startsWith(REGULAR_STARTUP_LINE_STRING_2)) { parseAndSetPort(line); } sb.append(line + "\n"); }, line -> line.startsWith(REGULAR_STARTUP_LINE_STRING_1), 30, // suitably high default timeout, not expected to timeout TimeUnit.SECONDS); } static final int SIGTERM = 15; static final int NORMAL_EXIT_CODE = normalExitCode(); static int normalExitCode() { if (Platform.isWindows()) { return 1; // expected process destroy exit code } else { // signal terminated exit code on Unix is 128 + signal value return 128 + SIGTERM; } } static void checkOutput(StringBuffer sb, int exitCode) { out.println("\n--- server output: \n" + sb); var outputAnalyser = new OutputAnalyzer(sb.toString(), "", exitCode); outputAnalyser.shouldHaveExitValue(NORMAL_EXIT_CODE) .shouldContain("Binding to loopback by default. For all interfaces use \"-b 0.0.0.0\" or \"-b ::\".") .shouldContain("Serving " + TEST_DIR + " and subdirectories on " + LOOPBACK_ADDR + " port " + PORT) .shouldContain("URL http://" + LOOPBACK_ADDR); } }