aspnetcore/test/Kestrel.Core.Tests/MessageBodyTests.cs

894 lines
35 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.AspNetCore.Testing;
using Moq;
using Xunit;
using Xunit.Sdk;
namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
{
public class MessageBodyTests
{
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task CanReadFromContentLength(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
var mockBodyControl = new Mock<IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(true);
var stream = new HttpRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
var count = stream.Read(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
count = stream.Read(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task CanReadAsyncFromContentLength(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
var count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
[Fact]
public async Task CanReadFromChunkedEncoding()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, input.Http1Connection);
var mockBodyControl = new Mock<IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(true);
var stream = new HttpRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(body);
input.Add("5\r\nHello\r\n");
var buffer = new byte[1024];
var count = stream.Read(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
input.Add("0\r\n\r\n");
count = stream.Read(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
[Fact]
public async Task CanReadAsyncFromChunkedEncoding()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("5\r\nHello\r\n");
var buffer = new byte[1024];
var count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
input.Add("0\r\n\r\n");
count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
[Fact]
public async Task ReadExitsGivenIncompleteChunkedExtension()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("5;\r\0");
var buffer = new byte[1024];
var readTask = stream.ReadAsync(buffer, 0, buffer.Length);
Assert.False(readTask.IsCompleted);
input.Add("\r\r\r\nHello\r\n0\r\n\r\n");
Assert.Equal(5, await readTask.TimeoutAfter(TestConstants.DefaultTimeout));
Assert.Equal(0, await stream.ReadAsync(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
[Fact]
public async Task ReadThrowsGivenChunkPrefixGreaterThanMaxInt()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("80000000\r\n");
var buffer = new byte[1024];
var ex = await Assert.ThrowsAsync<IOException>(async () =>
await stream.ReadAsync(buffer, 0, buffer.Length));
Assert.IsType<OverflowException>(ex.InnerException);
Assert.Equal(CoreStrings.BadRequest_BadChunkSizeData, ex.Message);
await body.StopAsync();
}
}
[Fact]
public async Task ReadThrowsGivenChunkPrefixGreaterThan8Bytes()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("012345678\r");
var buffer = new byte[1024];
var ex = await Assert.ThrowsAsync<BadHttpRequestException>(async () =>
await stream.ReadAsync(buffer, 0, buffer.Length));
Assert.Equal(CoreStrings.BadRequest_BadChunkSizeData, ex.Message);
await body.StopAsync();
}
}
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task CanReadFromRemainingData(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders { HeaderConnection = "upgrade" }, input.Http1Connection);
var mockBodyControl = new Mock<IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(true);
var stream = new HttpRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
var count = stream.Read(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
input.Fin();
await body.StopAsync();
}
}
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task CanReadAsyncFromRemainingData(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders { HeaderConnection = "upgrade" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
var count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, count));
input.Fin();
await body.StopAsync();
}
}
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task ReadFromNoContentLengthReturnsZero(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders(), input.Http1Connection);
var mockBodyControl = new Mock<IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(true);
var stream = new HttpRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(0, stream.Read(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
[Theory]
[InlineData(HttpVersion.Http10)]
[InlineData(HttpVersion.Http11)]
public async Task ReadAsyncFromNoContentLengthReturnsZero(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders(), input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(0, await stream.ReadAsync(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
[Fact]
public async Task CanHandleLargeBlocks()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http10, new HttpRequestHeaders { HeaderContentLength = "8197" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Input needs to be greater than 4032 bytes to allocate a block not backed by a slab.
var largeInput = new string('a', 8192);
input.Add(largeInput);
// Add a smaller block to the end so that SocketInput attempts to return the large
// block to the memory pool.
input.Add("Hello");
var ms = new MemoryStream();
await stream.CopyToAsync(ms);
var requestArray = ms.ToArray();
Assert.Equal(8197, requestArray.Length);
AssertASCII(largeInput + "Hello", new ArraySegment<byte>(requestArray, 0, requestArray.Length));
await body.StopAsync();
}
}
[Fact]
public void ForThrowsWhenFinalTransferCodingIsNotChunked()
{
using (var input = new TestInput())
{
var ex = Assert.Throws<BadHttpRequestException>(() =>
Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderTransferEncoding = "chunked, not-chunked" }, input.Http1Connection));
Assert.Equal(StatusCodes.Status400BadRequest, ex.StatusCode);
Assert.Equal(CoreStrings.FormatBadRequest_FinalTransferCodingNotChunked("chunked, not-chunked"), ex.Message);
}
}
[Theory]
[InlineData("POST")]
[InlineData("PUT")]
public void ForThrowsWhenMethodRequiresLengthButNoContentLengthOrTransferEncodingIsSet(string method)
{
using (var input = new TestInput())
{
input.Http1Connection.Method = method;
var ex = Assert.Throws<BadHttpRequestException>(() =>
Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders(), input.Http1Connection));
Assert.Equal(StatusCodes.Status411LengthRequired, ex.StatusCode);
Assert.Equal(CoreStrings.FormatBadRequest_LengthRequired(method), ex.Message);
}
}
[Theory]
[InlineData("POST")]
[InlineData("PUT")]
public void ForThrowsWhenMethodRequiresLengthButNoContentLengthSetHttp10(string method)
{
using (var input = new TestInput())
{
input.Http1Connection.Method = method;
var ex = Assert.Throws<BadHttpRequestException>(() =>
Http1MessageBody.For(HttpVersion.Http10, new HttpRequestHeaders(), input.Http1Connection));
Assert.Equal(StatusCodes.Status400BadRequest, ex.StatusCode);
Assert.Equal(CoreStrings.FormatBadRequest_LengthRequiredHttp10(method), ex.Message);
}
}
[Fact]
public async Task CopyToAsyncDoesNotCompletePipeReader()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http10, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
input.Add("Hello");
using (var ms = new MemoryStream())
{
await body.CopyToAsync(ms);
}
Assert.Equal(0, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
await body.StopAsync();
}
}
[Fact]
public async Task ConsumeAsyncConsumesAllRemainingInput()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http10, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
input.Add("Hello");
await body.ConsumeAsync();
Assert.Equal(0, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
await body.StopAsync();
}
}
public static IEnumerable<object[]> StreamData => new[]
{
new object[] { new ThrowOnWriteSynchronousStream() },
new object[] { new ThrowOnWriteAsynchronousStream() },
};
public static IEnumerable<object[]> RequestData => new[]
{
// Content-Length
new object[] { new HttpRequestHeaders { HeaderContentLength = "12" }, new[] { "Hello ", "World!" } },
// Chunked
new object[] { new HttpRequestHeaders { HeaderTransferEncoding = "chunked" }, new[] { "6\r\nHello \r\n", "6\r\nWorld!\r\n0\r\n\r\n" } },
};
public static IEnumerable<object[]> CombinedData =>
from stream in StreamData
from request in RequestData
select new[] { stream[0], request[0], request[1] };
[Theory]
[MemberData(nameof(RequestData))]
public async Task CopyToAsyncDoesNotCopyBlocks(HttpRequestHeaders headers, string[] data)
{
var writeCount = 0;
var writeTcs = new TaskCompletionSource<byte[]>();
var mockDestination = new Mock<Stream>();
mockDestination
.Setup(m => m.WriteAsync(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>(), CancellationToken.None))
.Callback((byte[] buffer, int offset, int count, CancellationToken cancellationToken) =>
{
writeTcs.SetResult(buffer);
writeCount++;
})
.Returns(Task.CompletedTask);
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, headers, input.Http1Connection);
var copyToAsyncTask = body.CopyToAsync(mockDestination.Object);
// The block returned by IncomingStart always has at least 2048 available bytes,
// so no need to bounds check in this test.
var bytes = Encoding.ASCII.GetBytes(data[0]);
var buffer = input.Application.Output.GetMemory(2028);
ArraySegment<byte> block;
Assert.True(MemoryMarshal.TryGetArray(buffer, out block));
Buffer.BlockCopy(bytes, 0, block.Array, block.Offset, bytes.Length);
input.Application.Output.Advance(bytes.Length);
await input.Application.Output.FlushAsync();
// Verify the block passed to WriteAsync is the same one incoming data was written into.
Assert.Same(block.Array, await writeTcs.Task);
writeTcs = new TaskCompletionSource<byte[]>();
bytes = Encoding.ASCII.GetBytes(data[1]);
buffer = input.Application.Output.GetMemory(2048);
Assert.True(MemoryMarshal.TryGetArray(buffer, out block));
Buffer.BlockCopy(bytes, 0, block.Array, block.Offset, bytes.Length);
input.Application.Output.Advance(bytes.Length);
await input.Application.Output.FlushAsync();
Assert.Same(block.Array, await writeTcs.Task);
if (headers.HeaderConnection == "close")
{
input.Application.Output.Complete();
}
await copyToAsyncTask;
Assert.Equal(2, writeCount);
await body.StopAsync();
}
}
[Theory]
[InlineData("keep-alive, upgrade")]
[InlineData("Keep-Alive, Upgrade")]
[InlineData("upgrade, keep-alive")]
[InlineData("Upgrade, Keep-Alive")]
public async Task ConnectionUpgradeKeepAlive(string headerConnection)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderConnection = headerConnection }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(5, await stream.ReadAsync(buffer, 0, buffer.Length));
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, 5));
input.Fin();
await body.StopAsync();
}
}
[Fact]
public async Task UpgradeConnectionAcceptsContentLengthZero()
{
// https://tools.ietf.org/html/rfc7230#section-3.3.2
// "A user agent SHOULD NOT send a Content-Length header field when the request message does not contain
// a payload body and the method semantics do not anticipate such a body."
// ==> it can actually send that header
var headerConnection = "Upgrade, Keep-Alive";
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderConnection = headerConnection, ContentLength = 0 }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(5, await stream.ReadAsync(buffer, 0, buffer.Length));
AssertASCII("Hello", new ArraySegment<byte>(buffer, 0, 5));
input.Fin();
await body.StopAsync();
}
}
[Fact]
public async Task PumpAsyncDoesNotReturnAfterCancelingInput()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "2" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
input.Transport.Input.CancelPendingRead();
// Add more input and verify is read
input.Add("b");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
await body.StopAsync();
}
}
[Fact]
public async Task StopAsyncPreventsFurtherDataConsumption()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "2" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
await body.StopAsync();
// Add some more data. Checking for cancelation and exiting the loop
// should take priority over reading this data.
input.Add("b");
// There shouldn't be any additional data available
Assert.Equal(0, await stream.ReadAsync(new byte[1], 0, 1));
}
}
[Fact]
public async Task ReadAsyncThrowsOnTimeout()
{
using (var input = new TestInput())
{
var mockTimeoutControl = new Mock<ITimeoutControl>();
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
input.Add("a");
Assert.Equal(1, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
// Time out on the next read
input.Http1Connection.SendTimeoutResponse();
var exception = await Assert.ThrowsAsync<BadHttpRequestException>(() => body.ReadAsync(new ArraySegment<byte>(new byte[1])));
Assert.Equal(StatusCodes.Status408RequestTimeout, exception.StatusCode);
await body.StopAsync();
}
}
[Fact]
public async Task ConsumeAsyncThrowsOnTimeout()
{
using (var input = new TestInput())
{
var mockTimeoutControl = new Mock<ITimeoutControl>();
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
input.Add("a");
Assert.Equal(1, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
// Time out on the next read
input.Http1Connection.SendTimeoutResponse();
var exception = await Assert.ThrowsAsync<BadHttpRequestException>(() => body.ConsumeAsync());
Assert.Equal(StatusCodes.Status408RequestTimeout, exception.StatusCode);
await body.StopAsync();
}
}
[Fact]
public async Task CopyToAsyncThrowsOnTimeout()
{
using (var input = new TestInput())
{
var mockTimeoutControl = new Mock<ITimeoutControl>();
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
input.Add("a");
Assert.Equal(1, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
// Time out on the next read
input.Http1Connection.SendTimeoutResponse();
using (var ms = new MemoryStream())
{
var exception = await Assert.ThrowsAsync<BadHttpRequestException>(() => body.CopyToAsync(ms));
Assert.Equal(StatusCodes.Status408RequestTimeout, exception.StatusCode);
}
await body.StopAsync();
}
}
[Fact]
public async Task LogsWhenStartsReadingRequestBody()
{
using (var input = new TestInput())
{
var mockLogger = new Mock<IKestrelTrace>();
input.Http1Connection.ServiceContext.Log = mockLogger.Object;
input.Http1Connection.ConnectionIdFeature = "ConnectionId";
input.Http1Connection.TraceIdentifier = "RequestId";
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "2" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
mockLogger.Verify(logger => logger.RequestBodyStart("ConnectionId", "RequestId"));
input.Fin();
await body.StopAsync();
}
}
[Fact]
public async Task LogsWhenStopsReadingRequestBody()
{
using (var input = new TestInput())
{
var logEvent = new ManualResetEventSlim();
var mockLogger = new Mock<IKestrelTrace>();
mockLogger
.Setup(logger => logger.RequestBodyDone("ConnectionId", "RequestId"))
.Callback(() => logEvent.Set());
input.Http1Connection.ServiceContext.Log = mockLogger.Object;
input.Http1Connection.ConnectionIdFeature = "ConnectionId";
input.Http1Connection.TraceIdentifier = "RequestId";
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "2" }, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
input.Fin();
Assert.True(logEvent.Wait(TestConstants.DefaultTimeout));
await body.StopAsync();
}
}
[Fact]
public async Task PausesAndResumesRequestBodyTimeoutOnBackpressure()
{
using (var input = new TestInput())
{
var mockTimeoutControl = new Mock<ITimeoutControl>();
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "12" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
input.Add("hello,");
Assert.Equal(6, await body.ReadAsync(new ArraySegment<byte>(new byte[6])));
input.Add(" world");
Assert.Equal(6, await body.ReadAsync(new ArraySegment<byte>(new byte[6])));
// Due to the limits set on HttpProtocol.RequestBodyPipe, backpressure should be triggered on every write to that pipe.
mockTimeoutControl.Verify(timeoutControl => timeoutControl.PauseTimingReads(), Times.Exactly(2));
mockTimeoutControl.Verify(timeoutControl => timeoutControl.ResumeTimingReads(), Times.Exactly(2));
}
}
[Fact]
public async Task OnlyEnforcesRequestBodyTimeoutAfterSending100Continue()
{
using (var input = new TestInput())
{
var produceContinueCalled = false;
var startTimingReadsCalledAfterProduceContinue = false;
var mockHttpResponseControl = new Mock<IHttpResponseControl>();
mockHttpResponseControl
.Setup(httpResponseControl => httpResponseControl.ProduceContinue())
.Callback(() => produceContinueCalled = true);
input.Http1Connection.HttpResponseControl = mockHttpResponseControl.Object;
var mockTimeoutControl = new Mock<ITimeoutControl>();
mockTimeoutControl
.Setup(timeoutControl => timeoutControl.StartTimingReads())
.Callback(() => startTimingReadsCalledAfterProduceContinue = produceContinueCalled);
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderContentLength = "5" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
var readTask = body.ReadAsync(new ArraySegment<byte>(new byte[1]));
Assert.True(startTimingReadsCalledAfterProduceContinue);
input.Add("a");
await readTask;
await body.StopAsync();
}
}
[Fact]
public async Task DoesNotEnforceRequestBodyTimeoutOnUpgradeRequests()
{
using (var input = new TestInput())
{
var mockTimeoutControl = new Mock<ITimeoutControl>();
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders { HeaderConnection = "upgrade" }, input.Http1Connection);
// Add some input and read it to start PumpAsync
input.Add("a");
Assert.Equal(1, await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
input.Fin();
await Assert.ThrowsAsync<BadHttpRequestException>(async () => await body.ReadAsync(new ArraySegment<byte>(new byte[1])));
mockTimeoutControl.Verify(timeoutControl => timeoutControl.StartTimingReads(), Times.Never);
mockTimeoutControl.Verify(timeoutControl => timeoutControl.StopTimingReads(), Times.Never);
// Due to the limits set on HttpProtocol.RequestBodyPipe, backpressure should be triggered on every
// write to that pipe. Verify that read timing pause and resume are not called on upgrade
// requests.
mockTimeoutControl.Verify(timeoutControl => timeoutControl.PauseTimingReads(), Times.Never);
mockTimeoutControl.Verify(timeoutControl => timeoutControl.ResumeTimingReads(), Times.Never);
await body.StopAsync();
}
}
private void AssertASCII(string expected, ArraySegment<byte> actual)
{
var encoding = Encoding.ASCII;
var bytes = encoding.GetBytes(expected);
Assert.Equal(bytes.Length, actual.Count);
for (var index = 0; index < bytes.Length; index++)
{
Assert.Equal(bytes[index], actual.Array[actual.Offset + index]);
}
}
private class ThrowOnWriteSynchronousStream : Stream
{
public override void Flush()
{
throw new NotImplementedException();
}
public override int Read(byte[] buffer, int offset, int count)
{
throw new NotImplementedException();
}
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotImplementedException();
}
public override void SetLength(long value)
{
throw new NotImplementedException();
}
public override void Write(byte[] buffer, int offset, int count)
{
throw new NotImplementedException();
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
throw new XunitException();
}
public override bool CanRead { get; }
public override bool CanSeek { get; }
public override bool CanWrite => true;
public override long Length { get; }
public override long Position { get; set; }
}
private class ThrowOnWriteAsynchronousStream : Stream
{
public override void Flush()
{
throw new NotImplementedException();
}
public override int Read(byte[] buffer, int offset, int count)
{
throw new NotImplementedException();
}
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotImplementedException();
}
public override void SetLength(long value)
{
throw new NotImplementedException();
}
public override void Write(byte[] buffer, int offset, int count)
{
throw new NotImplementedException();
}
public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
await Task.Delay(1);
throw new XunitException();
}
public override bool CanRead { get; }
public override bool CanSeek { get; }
public override bool CanWrite => true;
public override long Length { get; }
public override long Position { get; set; }
}
}
}