/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.server.handlers;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.ServerConnection;
import io.undertow.server.protocol.http.HttpAttachments;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpOneOnly;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.HeaderMap;
import io.undertow.util.HttpString;
import io.undertow.util.StatusCodes;
import io.undertow.util.StringWriteChannelListener;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.io.ChunkedInputStream;
import org.apache.http.protocol.HttpContext;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.concurrent.atomic.AtomicReference;
/**
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
@HttpOneOnly
public class ChunkedResponseTrailersTestCase {
private static final String MESSAGE = "My HTTP Request!";
private static volatile String message;
private static volatile ServerConnection connection;
@Before
public void reset() {
connection = null;
}
@BeforeClass
public static void setup() {
final BlockingHandler blockingHandler = new BlockingHandler();
DefaultServer.setRootHandler(blockingHandler);
blockingHandler.setRootHandler(new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) {
try {
if (connection == null) {
connection = exchange.getConnection();
} else if (!DefaultServer.isAjp() && !DefaultServer.isProxy() && connection != exchange.getConnection()) {
final OutputStream outputStream = exchange.getOutputStream();
outputStream.write("Connection not persistent".getBytes());
outputStream.close();
return;
}
HeaderMap trailers = new HeaderMap();
exchange.putAttachment(HttpAttachments.RESPONSE_TRAILERS, trailers);
trailers.put(HttpString.tryFromString("foo"), "fooVal");
trailers.put(HttpString.tryFromString("bar"), "barVal");
new StringWriteChannelListener(message).setup(exchange.getResponseChannel());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
}
@Test
public void sendHttpRequest() throws Exception {
Assume.assumeFalse(DefaultServer.isH2()); //this test will still run under h2-upgrade, but will fail
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
TestHttpClient client = new TestHttpClient();
final AtomicReference<ChunkedInputStream> stream = new AtomicReference<>();
client.addResponseInterceptor(new HttpResponseInterceptor() {
public void process(final HttpResponse response, final HttpContext context) throws IOException {
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream instream = entity.getContent();
if (instream instanceof ChunkedInputStream) {
stream.set(((ChunkedInputStream) instream));
}
}
}
});
try {
generateMessage(1);
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals(message, HttpClientUtils.readResponse(result));
Header[] footers = stream.get().getFooters();
Assert.assertEquals(2, footers.length);
for (final Header header : footers) {
if (header.getName().equals("foo")) {
Assert.assertEquals("fooVal", header.getValue());
} else if (header.getName().equals("bar")) {
Assert.assertEquals("barVal", header.getValue());
} else {
Assert.fail("Unknown header" + header);
}
}
generateMessage(1000);
result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals(message, HttpClientUtils.readResponse(result));
footers = stream.get().getFooters();
Assert.assertEquals(2, footers.length);
for (final Header header : footers) {
if (header.getName().equals("foo")) {
Assert.assertEquals("fooVal", header.getValue());
} else if (header.getName().equals("bar")) {
Assert.assertEquals("barVal", header.getValue());
} else {
Assert.fail("Unknown header" + header);
}
}
} finally {
client.getConnectionManager().shutdown();
}
}
private static void generateMessage(int repetitions) {
final StringBuilder builder = new StringBuilder(repetitions * MESSAGE.length());
for (int i = 0; i < repetitions; ++i) {
builder.append(MESSAGE);
}
message = builder.toString();
}
}