0f9b739508
Motivation: HttpObjectAggregator yields full HTTP messgaes (AggregatedFullHttpMessages) that don't respect decoder result when copied/replaced. Modifications: Copy the decoding result over to a new instance produced by AggregatedFullHttpRequest.replace or AggregatedFullHttpResponse.replace . Result: DecoderResult is now copied over when an original AggregatedFullHttpMessage is being replaced (i.e., AggregatedFullHttpRequest.replace or AggregatedFullHttpResponse.replace is being called). New unit tests are passing on this branch but are failing on master.
458 lines
20 KiB
Java
458 lines
20 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.CompositeByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.embedded.EmbeddedChannel;
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import io.netty.handler.codec.DecoderResult;
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import io.netty.handler.codec.DecoderResultProvider;
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import io.netty.handler.codec.TooLongFrameException;
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import io.netty.util.CharsetUtil;
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import org.easymock.EasyMock;
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import org.junit.Test;
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import java.nio.channels.ClosedChannelException;
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import java.util.List;
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import static io.netty.handler.codec.http.HttpHeadersTestUtils.of;
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import static org.hamcrest.CoreMatchers.instanceOf;
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import static org.hamcrest.CoreMatchers.is;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertThat;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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public class HttpObjectAggregatorTest {
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@Test
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public void testAggregate() {
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HttpObjectAggregator aggr = new HttpObjectAggregator(1024 * 1024);
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EmbeddedChannel embedder = new EmbeddedChannel(aggr);
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "http://localhost");
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message.headers().set(of("X-Test"), true);
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test2", CharsetUtil.US_ASCII));
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HttpContent chunk3 = new DefaultLastHttpContent(Unpooled.EMPTY_BUFFER);
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assertFalse(embedder.writeInbound(message));
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assertFalse(embedder.writeInbound(chunk1));
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assertFalse(embedder.writeInbound(chunk2));
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// this should trigger a channelRead event so return true
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assertTrue(embedder.writeInbound(chunk3));
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assertTrue(embedder.finish());
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FullHttpRequest aggratedMessage = embedder.readInbound();
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assertNotNull(aggratedMessage);
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assertEquals(chunk1.content().readableBytes() + chunk2.content().readableBytes(),
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HttpUtil.getContentLength(aggratedMessage));
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assertEquals(aggratedMessage.headers().get(of("X-Test")), Boolean.TRUE.toString());
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checkContentBuffer(aggratedMessage);
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assertNull(embedder.readInbound());
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}
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private static void checkContentBuffer(FullHttpRequest aggregatedMessage) {
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CompositeByteBuf buffer = (CompositeByteBuf) aggregatedMessage.content();
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assertEquals(2, buffer.numComponents());
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List<ByteBuf> buffers = buffer.decompose(0, buffer.capacity());
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assertEquals(2, buffers.size());
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for (ByteBuf buf: buffers) {
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// This should be false as we decompose the buffer before to not have deep hierarchy
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assertFalse(buf instanceof CompositeByteBuf);
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}
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aggregatedMessage.release();
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}
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@Test
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public void testAggregateWithTrailer() {
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HttpObjectAggregator aggr = new HttpObjectAggregator(1024 * 1024);
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EmbeddedChannel embedder = new EmbeddedChannel(aggr);
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "http://localhost");
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message.headers().set(of("X-Test"), true);
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HttpUtil.setTransferEncodingChunked(message, true);
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test2", CharsetUtil.US_ASCII));
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LastHttpContent trailer = new DefaultLastHttpContent();
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trailer.trailingHeaders().set(of("X-Trailer"), true);
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assertFalse(embedder.writeInbound(message));
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assertFalse(embedder.writeInbound(chunk1));
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assertFalse(embedder.writeInbound(chunk2));
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// this should trigger a channelRead event so return true
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assertTrue(embedder.writeInbound(trailer));
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assertTrue(embedder.finish());
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FullHttpRequest aggratedMessage = embedder.readInbound();
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assertNotNull(aggratedMessage);
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assertEquals(chunk1.content().readableBytes() + chunk2.content().readableBytes(),
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HttpUtil.getContentLength(aggratedMessage));
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assertEquals(aggratedMessage.headers().get(of("X-Test")), Boolean.TRUE.toString());
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assertEquals(aggratedMessage.trailingHeaders().get(of("X-Trailer")), Boolean.TRUE.toString());
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checkContentBuffer(aggratedMessage);
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assertNull(embedder.readInbound());
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}
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@Test
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public void testOversizedRequest() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(4));
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test2", CharsetUtil.US_ASCII));
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HttpContent chunk3 = LastHttpContent.EMPTY_LAST_CONTENT;
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assertFalse(embedder.writeInbound(message));
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assertFalse(embedder.writeInbound(chunk1));
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assertFalse(embedder.writeInbound(chunk2));
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FullHttpResponse response = embedder.readOutbound();
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assertEquals(HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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assertFalse(embedder.isOpen());
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try {
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assertFalse(embedder.writeInbound(chunk3));
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fail();
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} catch (Exception e) {
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assertTrue(e instanceof ClosedChannelException);
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}
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assertFalse(embedder.finish());
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}
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@Test
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public void testOversizedRequestWithoutKeepAlive() {
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// send a HTTP/1.0 request with no keep-alive header
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_0, HttpMethod.PUT, "http://localhost");
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HttpUtil.setContentLength(message, 5);
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checkOversizedRequest(message);
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}
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@Test
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public void testOversizedRequestWithContentLength() {
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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HttpUtil.setContentLength(message, 5);
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checkOversizedRequest(message);
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}
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private static void checkOversizedRequest(HttpRequest message) {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(4));
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assertFalse(embedder.writeInbound(message));
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HttpResponse response = embedder.readOutbound();
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assertEquals(HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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if (serverShouldCloseConnection(message, response)) {
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assertFalse(embedder.isOpen());
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assertFalse(embedder.finish());
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} else {
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assertTrue(embedder.isOpen());
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}
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}
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private static boolean serverShouldCloseConnection(HttpRequest message, HttpResponse response) {
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// If the response wasn't keep-alive, the server should close the connection.
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if (!HttpUtil.isKeepAlive(response)) {
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return true;
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}
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// The connection should only be kept open if Expect: 100-continue is set,
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// or if keep-alive is on.
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if (HttpUtil.is100ContinueExpected(message)) {
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return false;
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}
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if (HttpUtil.isKeepAlive(message)) {
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return false;
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}
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return true;
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}
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@Test
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public void testOversizedResponse() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(4));
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HttpResponse message = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test2", CharsetUtil.US_ASCII));
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assertFalse(embedder.writeInbound(message));
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assertFalse(embedder.writeInbound(chunk1));
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try {
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embedder.writeInbound(chunk2);
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fail();
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} catch (TooLongFrameException expected) {
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// Expected
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}
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assertFalse(embedder.isOpen());
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assertFalse(embedder.finish());
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}
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@Test(expected = IllegalArgumentException.class)
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public void testInvalidConstructorUsage() {
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new HttpObjectAggregator(-1);
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}
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@Test(expected = IllegalArgumentException.class)
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public void testInvalidMaxCumulationBufferComponents() {
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HttpObjectAggregator aggr = new HttpObjectAggregator(Integer.MAX_VALUE);
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aggr.setMaxCumulationBufferComponents(1);
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}
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@Test(expected = IllegalStateException.class)
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public void testSetMaxCumulationBufferComponentsAfterInit() throws Exception {
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HttpObjectAggregator aggr = new HttpObjectAggregator(Integer.MAX_VALUE);
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ChannelHandlerContext ctx = EasyMock.createMock(ChannelHandlerContext.class);
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EasyMock.replay(ctx);
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aggr.handlerAdded(ctx);
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aggr.setMaxCumulationBufferComponents(10);
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}
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@Test
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public void testAggregateTransferEncodingChunked() {
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HttpObjectAggregator aggr = new HttpObjectAggregator(1024 * 1024);
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EmbeddedChannel embedder = new EmbeddedChannel(aggr);
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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message.headers().set(of("X-Test"), true);
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message.headers().set(of("Transfer-Encoding"), of("Chunked"));
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test2", CharsetUtil.US_ASCII));
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HttpContent chunk3 = LastHttpContent.EMPTY_LAST_CONTENT;
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assertFalse(embedder.writeInbound(message));
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assertFalse(embedder.writeInbound(chunk1));
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assertFalse(embedder.writeInbound(chunk2));
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// this should trigger a channelRead event so return true
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assertTrue(embedder.writeInbound(chunk3));
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assertTrue(embedder.finish());
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FullHttpRequest aggratedMessage = embedder.readInbound();
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assertNotNull(aggratedMessage);
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assertEquals(chunk1.content().readableBytes() + chunk2.content().readableBytes(),
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HttpUtil.getContentLength(aggratedMessage));
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assertEquals(aggratedMessage.headers().get(of("X-Test")), Boolean.TRUE.toString());
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checkContentBuffer(aggratedMessage);
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assertNull(embedder.readInbound());
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}
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@Test
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public void testBadRequest() {
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EmbeddedChannel ch = new EmbeddedChannel(new HttpRequestDecoder(), new HttpObjectAggregator(1024 * 1024));
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ch.writeInbound(Unpooled.copiedBuffer("GET / HTTP/1.0 with extra\r\n", CharsetUtil.UTF_8));
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Object inbound = ch.readInbound();
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assertThat(inbound, is(instanceOf(FullHttpRequest.class)));
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assertTrue(((DecoderResultProvider) inbound).decoderResult().isFailure());
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assertNull(ch.readInbound());
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ch.finish();
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}
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@Test
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public void testBadResponse() throws Exception {
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EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder(), new HttpObjectAggregator(1024 * 1024));
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ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.0 BAD_CODE Bad Server\r\n", CharsetUtil.UTF_8));
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Object inbound = ch.readInbound();
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assertThat(inbound, is(instanceOf(FullHttpResponse.class)));
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assertTrue(((DecoderResultProvider) inbound).decoderResult().isFailure());
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assertNull(ch.readInbound());
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ch.finish();
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}
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@Test
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public void testOversizedRequestWith100Continue() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(8));
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// Send an oversized request with 100 continue.
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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HttpUtil.set100ContinueExpected(message, true);
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HttpUtil.setContentLength(message, 16);
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("some", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk3 = LastHttpContent.EMPTY_LAST_CONTENT;
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// Send a request with 100-continue + large Content-Length header value.
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assertFalse(embedder.writeInbound(message));
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// The aggregator should respond with '417.'
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FullHttpResponse response = embedder.readOutbound();
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assertEquals(HttpResponseStatus.EXPECTATION_FAILED, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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// An ill-behaving client could continue to send data without a respect, and such data should be discarded.
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assertFalse(embedder.writeInbound(chunk1));
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// The aggregator should not close the connection because keep-alive is on.
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assertTrue(embedder.isOpen());
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// Now send a valid request.
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HttpRequest message2 = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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assertFalse(embedder.writeInbound(message2));
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assertFalse(embedder.writeInbound(chunk2));
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assertTrue(embedder.writeInbound(chunk3));
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FullHttpRequest fullMsg = (FullHttpRequest) embedder.readInbound();
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assertNotNull(fullMsg);
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assertEquals(
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chunk2.content().readableBytes() + chunk3.content().readableBytes(),
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HttpUtil.getContentLength(fullMsg));
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assertEquals(HttpUtil.getContentLength(fullMsg), fullMsg.content().readableBytes());
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fullMsg.release();
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assertFalse(embedder.finish());
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}
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@Test
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public void testOversizedRequestWith100ContinueAndDecoder() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpRequestDecoder(), new HttpObjectAggregator(4));
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embedder.writeInbound(Unpooled.copiedBuffer(
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"PUT /upload HTTP/1.1\r\n" +
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"Expect: 100-continue\r\n" +
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"Content-Length: 100\r\n\r\n", CharsetUtil.US_ASCII));
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assertNull(embedder.readInbound());
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FullHttpResponse response = (FullHttpResponse) embedder.readOutbound();
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assertEquals(HttpResponseStatus.EXPECTATION_FAILED, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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// Keep-alive is on by default in HTTP/1.1, so the connection should be still alive.
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assertTrue(embedder.isOpen());
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// The decoder should be reset by the aggregator at this point and be able to decode the next request.
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embedder.writeInbound(Unpooled.copiedBuffer("GET /max-upload-size HTTP/1.1\r\n\r\n", CharsetUtil.US_ASCII));
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FullHttpRequest request = (FullHttpRequest) embedder.readInbound();
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assertThat(request.method(), is(HttpMethod.GET));
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assertThat(request.uri(), is("/max-upload-size"));
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assertThat(request.content().readableBytes(), is(0));
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request.release();
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assertFalse(embedder.finish());
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}
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@Test
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public void testOversizedRequestWith100ContinueAndDecoderCloseConnection() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpRequestDecoder(), new HttpObjectAggregator(4, true));
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embedder.writeInbound(Unpooled.copiedBuffer(
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"PUT /upload HTTP/1.1\r\n" +
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"Expect: 100-continue\r\n" +
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"Content-Length: 100\r\n\r\n", CharsetUtil.US_ASCII));
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assertNull(embedder.readInbound());
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FullHttpResponse response = (FullHttpResponse) embedder.readOutbound();
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assertEquals(HttpResponseStatus.EXPECTATION_FAILED, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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// We are forcing the connection closed if an expectation is exceeded.
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assertFalse(embedder.isOpen());
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assertFalse(embedder.finish());
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}
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@Test
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public void testRequestAfterOversized100ContinueAndDecoder() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpRequestDecoder(), new HttpObjectAggregator(15));
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// Write first request with Expect: 100-continue.
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HttpRequest message = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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HttpUtil.set100ContinueExpected(message, true);
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HttpUtil.setContentLength(message, 16);
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HttpContent chunk1 = new DefaultHttpContent(Unpooled.copiedBuffer("some", CharsetUtil.US_ASCII));
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HttpContent chunk2 = new DefaultHttpContent(Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII));
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HttpContent chunk3 = LastHttpContent.EMPTY_LAST_CONTENT;
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// Send a request with 100-continue + large Content-Length header value.
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assertFalse(embedder.writeInbound(message));
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// The aggregator should respond with '417'.
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FullHttpResponse response = embedder.readOutbound();
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assertEquals(HttpResponseStatus.EXPECTATION_FAILED, response.status());
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assertEquals("0", response.headers().get(HttpHeaderNames.CONTENT_LENGTH));
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// An ill-behaving client could continue to send data without a respect, and such data should be discarded.
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assertFalse(embedder.writeInbound(chunk1));
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// The aggregator should not close the connection because keep-alive is on.
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assertTrue(embedder.isOpen());
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// Now send a valid request.
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HttpRequest message2 = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT, "http://localhost");
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assertFalse(embedder.writeInbound(message2));
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assertFalse(embedder.writeInbound(chunk2));
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assertTrue(embedder.writeInbound(chunk3));
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FullHttpRequest fullMsg = (FullHttpRequest) embedder.readInbound();
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assertNotNull(fullMsg);
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assertEquals(
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chunk2.content().readableBytes() + chunk3.content().readableBytes(),
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HttpUtil.getContentLength(fullMsg));
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assertEquals(HttpUtil.getContentLength(fullMsg), fullMsg.content().readableBytes());
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fullMsg.release();
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assertFalse(embedder.finish());
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}
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@Test
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public void testReplaceAggregatedRequest() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(1024 * 1024));
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Exception boom = new Exception("boom");
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HttpRequest req = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "http://localhost");
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req.setDecoderResult(DecoderResult.failure(boom));
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assertTrue(embedder.writeInbound(req) && embedder.finish());
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FullHttpRequest aggregatedReq = embedder.readInbound();
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FullHttpRequest replacedReq = aggregatedReq.replace(Unpooled.EMPTY_BUFFER);
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assertEquals(replacedReq.decoderResult(), aggregatedReq.decoderResult());
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aggregatedReq.release();
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replacedReq.release();
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}
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@Test
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public void testReplaceAggregatedResponse() {
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EmbeddedChannel embedder = new EmbeddedChannel(new HttpObjectAggregator(1024 * 1024));
|
|
|
|
Exception boom = new Exception("boom");
|
|
HttpResponse rep = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
|
|
rep.setDecoderResult(DecoderResult.failure(boom));
|
|
|
|
assertTrue(embedder.writeInbound(rep) && embedder.finish());
|
|
|
|
FullHttpResponse aggregatedRep = embedder.readInbound();
|
|
FullHttpResponse replacedRep = aggregatedRep.replace(Unpooled.EMPTY_BUFFER);
|
|
|
|
assertEquals(replacedRep.decoderResult(), aggregatedRep.decoderResult());
|
|
aggregatedRep.release();
|
|
replacedRep.release();
|
|
}
|
|
}
|