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.
225 lines
10 KiB
Java
225 lines
10 KiB
Java
/*
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* Copyright (c) 2023, 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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import java.io.IOException;
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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.HttpClient.Version;
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import java.net.http.HttpRequest;
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import java.net.http.HttpOption.Http3DiscoveryMode;
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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.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.CompletableFuture;
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import java.util.stream.Stream;
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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.internal.net.http.common.Utils;
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import jdk.test.lib.net.SimpleSSLContext;
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import org.junit.jupiter.api.AfterAll;
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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.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import static java.net.http.HttpClient.Version.HTTP_2;
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import static java.net.http.HttpOption.Http3DiscoveryMode.ALT_SVC;
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import static java.net.http.HttpOption.Http3DiscoveryMode.HTTP_3_URI_ONLY;
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import static java.net.http.HttpOption.H3_DISCOVERY;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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/*
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* @test
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* @summary Verify that the request/response headers of HTTP/2 and HTTP/3
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* are sent and received in lower case
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build jdk.test.lib.net.SimpleSSLContext
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* jdk.httpclient.test.lib.common.HttpServerAdapters
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* @run junit/othervm -Djdk.internal.httpclient.debug=true HeadersLowerCaseTest
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*/
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public class HeadersLowerCaseTest implements HttpServerAdapters {
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private static Set<String> REQUEST_HEADERS;
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private static HttpTestServer h2server;
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private static HttpTestServer h3server;
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private static String h2ReqURIBase;
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private static String h3ReqURIBase;
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private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
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@BeforeAll
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public static void beforeAll() throws Exception {
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h2server = HttpTestServer.create(HTTP_2, sslContext);
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h2server.start();
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h2ReqURIBase = "https://" + h2server.serverAuthority();
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h2server.addHandler(new ReqHeadersVerifier(), "/h2verifyReqHeaders");
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System.out.println("HTTP/2 server listening on " + h2server.getAddress());
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h3server = HttpTestServer.create(HTTP_3_URI_ONLY, sslContext);
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h3server.start();
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h3ReqURIBase = "https://" + h3server.serverAuthority();
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h3server.addHandler(new ReqHeadersVerifier(), "/h3verifyReqHeaders");
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System.out.println("HTTP/3 server listening on " + h3server.getAddress());
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REQUEST_HEADERS = new HashSet<>();
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REQUEST_HEADERS.add("AbCdeFgh");
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REQUEST_HEADERS.add("PQRSTU");
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REQUEST_HEADERS.add("xyz");
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REQUEST_HEADERS.add("A1243Bde2");
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REQUEST_HEADERS.add("123243");
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REQUEST_HEADERS.add("&1bacd*^d");
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REQUEST_HEADERS.add("~!#$%^&*_+");
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}
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@AfterAll
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public static void afterAll() throws Exception {
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if (h2server != null) {
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h2server.stop();
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}
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if (h3server != null) {
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h3server.stop();
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}
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}
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/**
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* Handler which verifies that the request header names are lowercase (as mandated by the spec)
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*/
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private static final class ReqHeadersVerifier implements HttpTestHandler {
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@Override
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public void handle(final HttpTestExchange exchange) throws IOException {
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System.out.println("Verifying request headers for " + exchange.getRequestURI());
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final Set<String> missing = new HashSet<>(REQUEST_HEADERS);
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final HttpTestRequestHeaders headers = exchange.getRequestHeaders();
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for (final Map.Entry<String, List<String>> e : headers.entrySet()) {
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final String header = e.getKey();
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// check validity of (non-pseudo) header names
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if (!header.startsWith(":") && !Utils.isValidLowerCaseName(header)) {
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System.err.println("Header name " + header + " is not valid");
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sendResponse(exchange, 500);
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return;
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}
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final List<String> headerVals = e.getValue();
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if (headerVals.isEmpty()) {
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System.err.println("Header " + header + " is missing value");
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sendResponse(exchange, 500);
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return;
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}
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// the header value represents the original form of the header key held in the
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// REQUEST_HEADERS set
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final String originalForm = headerVals.get(0);
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missing.remove(originalForm);
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}
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if (!missing.isEmpty()) {
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System.err.println("Missing headers in request: " + missing);
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sendResponse(exchange, 500);
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return;
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}
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System.out.println("All expected headers received in lower case for " + exchange.getRequestURI());
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sendResponse(exchange, 200);
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}
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private static void sendResponse(final HttpTestExchange exchange, final int statusCode) throws IOException {
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final HttpTestResponseHeaders respHeaders = exchange.getResponseHeaders();
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// we just send the pre-defined (request) headers back as the response headers
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for (final String k : REQUEST_HEADERS) {
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respHeaders.addHeader(k, k);
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}
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exchange.sendResponseHeaders(statusCode, 0);
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}
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}
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private static Stream<Arguments> params() throws Exception {
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return Stream.of(
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Arguments.of(HTTP_2, new URI(h2ReqURIBase + "/h2verifyReqHeaders")),
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Arguments.of(Version.HTTP_3, new URI(h3ReqURIBase + "/h3verifyReqHeaders")));
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}
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/**
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* Issues an HTTP/2 or HTTP/3 request with header names of varying case (some in lower,
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* some mixed, some upper case) and expects that the client internally converts them
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* to lower case before encoding and sending to the server. The server side handler verifies
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* that it receives the header names in lower case and if it doesn't then it returns a
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* non-200 response
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*/
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@ParameterizedTest
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@MethodSource("params")
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public void testRequestHeaders(final Version version, final URI requestURI) throws Exception {
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try (final HttpClient client = newClientBuilderForH3()
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.version(version)
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.sslContext(sslContext)
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.proxy(HttpClient.Builder.NO_PROXY).build()) {
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Http3DiscoveryMode config = switch (version) {
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case HTTP_3 -> HTTP_3_URI_ONLY;
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default -> ALT_SVC;
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};
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final HttpRequest.Builder reqBuilder = HttpRequest.newBuilder(requestURI)
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.setOption(H3_DISCOVERY, config)
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.version(version);
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for (final String k : REQUEST_HEADERS) {
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reqBuilder.header(k, k);
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}
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final HttpRequest req = reqBuilder.build();
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System.out.println("Issuing " + version + " request to " + requestURI);
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final HttpResponse<Void> resp = client.send(req, BodyHandlers.discarding());
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assertEquals(resp.version(), version, "Unexpected HTTP version in response");
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assertEquals(resp.statusCode(), 200, "Unexpected response code");
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// now try with async
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System.out.println("Issuing (async) request to " + requestURI);
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final CompletableFuture<HttpResponse<Void>> futureResp = client.sendAsync(req,
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BodyHandlers.discarding());
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final HttpResponse<Void> asyncResp = futureResp.get();
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assertEquals(asyncResp.version(), version, "Unexpected HTTP version in response");
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assertEquals(asyncResp.statusCode(), 200, "Unexpected response code");
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}
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}
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/**
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* Verifies that when a HTTP/2 or HTTP/3 request is being built using
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* {@link HttpRequest.Builder}, only valid header names are allowed to be added to the request
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*/
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@ParameterizedTest
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@MethodSource("params")
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public void testInvalidHeaderName(final Version version, final URI requestURI) throws Exception {
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Http3DiscoveryMode config = switch (version) {
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case HTTP_3 -> HTTP_3_URI_ONLY;
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default -> ALT_SVC;
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};
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final HttpRequest.Builder reqBuilder = HttpRequest.newBuilder(requestURI)
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.setOption(H3_DISCOVERY, config)
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.version(version);
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final String copyrightSign = new String(Character.toChars(0x00A9)); // copyright sign
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final String invalidHeaderName = "abcd" + copyrightSign;
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System.out.println("Adding header name " + invalidHeaderName + " to " + version + " request");
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// Field names are strings containing a subset of ASCII characters.
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// This header name contains a unicode character, so it should fail
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assertThrows(IllegalArgumentException.class,
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() -> reqBuilder.header(invalidHeaderName, "something"));
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}
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}
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