public (Stream request, Stream response) Start()
{
_request.StartAcceptingReads(_context);
_response.StartAcceptingWrites();
return(_upgradeableRequest, _upgradeableResponse);
}
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();
input.Http1Connection.RequestBodyPipe.Reader.Complete();
await body.StopAsync();
}
}
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.DefaultTimeout());
Assert.Equal(0, await stream.ReadAsync(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
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();
}
}
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);
input.Http1Connection.RequestBodyPipe.Reader.Complete();
await body.StopAsync();
}
}
public void NullDestinationCausesCopyToAsyncToThrowArgumentNullException()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
Assert.Throws <ArgumentNullException>(() => { stream.CopyToAsync(null); });
}
public void ZeroBufferSizeCausesCopyToAsyncToThrowArgumentException()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
Assert.Throws <ArgumentException>(() => { stream.CopyToAsync(Mock.Of <Stream>(), 0); });
}
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();
}
}
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();
}
}
public async Task SynchronousReadsThrowIfDisallowedByIHttpBodyControlFeature()
{
var allowSynchronousIO = false;
var mockBodyControl = new Mock <IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(() => allowSynchronousIO);
var mockMessageBody = new Mock <MessageBody>((HttpProtocol)null);
mockMessageBody.Setup(m => m.ReadAsync(It.IsAny <ArraySegment <byte> >(), CancellationToken.None)).ReturnsAsync(0);
var stream = new HttpRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(mockMessageBody.Object);
Assert.Equal(0, await stream.ReadAsync(new byte[1], 0, 1));
var ioEx = Assert.Throws <InvalidOperationException>(() => stream.Read(new byte[1], 0, 1));
Assert.Equal("Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to true instead.", ioEx.Message);
var ioEx2 = Assert.Throws <InvalidOperationException>(() => stream.CopyTo(Stream.Null));
Assert.Equal("Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to true instead.", ioEx2.Message);
allowSynchronousIO = true;
Assert.Equal(0, stream.Read(new byte[1], 0, 1));
}
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();
}
}
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();
}
}
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();
}
}
public void StopAcceptingReadsCausesCopyToAsyncToThrowObjectDisposedException()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
stream.StopAcceptingReads();
Assert.Throws <ObjectDisposedException>(() => { stream.CopyToAsync(Mock.Of <Stream>()); });
}
public async Task AbortCausesCopyToAsyncToCancel()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
stream.Abort();
await Assert.ThrowsAsync <TaskCanceledException>(() => stream.CopyToAsync(Mock.Of <Stream>()));
}
public void AbortCausesCopyToAsyncToCancel()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
stream.Abort();
var task = stream.CopyToAsync(Mock.Of <Stream>());
Assert.True(task.IsCanceled);
}
public async Task AbortWithErrorCausesCopyToAsyncToCancel()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
var error = new Exception();
stream.Abort(error);
var exception = await Assert.ThrowsAsync <Exception>(() => stream.CopyToAsync(Mock.Of <Stream>()));
Assert.Same(error, exception);
}
public void AbortWithErrorCausesCopyToAsyncToCancel()
{
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
var error = new Exception();
stream.Abort(error);
var task = stream.CopyToAsync(Mock.Of <Stream>());
Assert.True(task.IsFaulted);
Assert.Same(error, task.Exception.InnerException);
}
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();
}
}
public (Stream request, Stream response) Start(MessageBody body)
{
_request.StartAcceptingReads(body);
_emptyRequest.StartAcceptingReads(MessageBody.ZeroContentLengthClose);
_response.StartAcceptingWrites();
if (body.RequestUpgrade)
{
// until Upgrade() is called, context.Response.Body should use the normal output stream
_upgradeableResponse.SetInnerStream(_response);
// upgradeable requests should never have a request body
return(_emptyRequest, _upgradeableResponse);
}
else
{
return(_request, _response);
}
}
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();
}
}
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();
}
}
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();
}
}
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();
}
}
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));
}
}
public void Start()
{
_request.StartAcceptingReads();
_response.StartAcceptingWrites();
}