aspnetcore/test/Microsoft.AspNetCore.Server.../FrameTests.cs

850 lines
33 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;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting.Server;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.AspNetCore.Server.Kestrel.Internal.System.IO.Pipelines;
using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions;
using Microsoft.AspNetCore.Testing;
using Microsoft.Extensions.Internal;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Primitives;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
{
public class FrameTests : IDisposable
{
private readonly IPipe _input;
private readonly TestFrame<object> _frame;
private readonly ServiceContext _serviceContext;
private readonly FrameContext _frameContext;
private readonly PipeFactory _pipelineFactory;
private ReadCursor _consumed;
private ReadCursor _examined;
private class TestFrame<TContext> : Frame<TContext>
{
public TestFrame(IHttpApplication<TContext> application, FrameContext context)
: base(application, context)
{
}
public Task ProduceEndAsync()
{
return ProduceEnd();
}
}
public FrameTests()
{
_pipelineFactory = new PipeFactory();
_input = _pipelineFactory.Create();
_serviceContext = new TestServiceContext();
_frameContext = new FrameContext
{
ServiceContext = _serviceContext,
ConnectionInformation = new MockConnectionInformation()
};
_frame = new TestFrame<object>(application: null, context: _frameContext)
{
Input = _input.Reader,
Output = new MockSocketOutput(),
TimeoutControl = Mock.Of<ITimeoutControl>()
};
_frame.Reset();
_frame.InitializeHeaders();
}
public void Dispose()
{
_input.Reader.Complete();
_input.Writer.Complete();
_pipelineFactory.Dispose();
}
[Fact]
public async Task TakeMessageHeadersThrowsWhenHeadersExceedTotalSizeLimit()
{
const string headerLine = "Header: value\r\n";
_serviceContext.ServerOptions.Limits.MaxRequestHeadersTotalSize = headerLine.Length - 1;
_frame.Reset();
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"{headerLine}\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() => _frame.TakeMessageHeaders(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal("Request headers too long.", exception.Message);
Assert.Equal(StatusCodes.Status431RequestHeaderFieldsTooLarge, exception.StatusCode);
}
[Fact]
public async Task TakeMessageHeadersThrowsWhenHeadersExceedCountLimit()
{
const string headerLines = "Header-1: value1\r\nHeader-2: value2\r\n";
_serviceContext.ServerOptions.Limits.MaxRequestHeaderCount = 1;
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"{headerLines}\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() => _frame.TakeMessageHeaders(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal("Request contains too many headers.", exception.Message);
Assert.Equal(StatusCodes.Status431RequestHeaderFieldsTooLarge, exception.StatusCode);
}
[Fact]
public void ResetResetsScheme()
{
_frame.Scheme = "https";
// Act
_frame.Reset();
// Assert
Assert.Equal("http", ((IFeatureCollection)_frame).Get<IHttpRequestFeature>().Scheme);
}
[Fact]
public void ResetResetsTraceIdentifier()
{
_frame.TraceIdentifier = "xyz";
_frame.Reset();
var nextId = ((IFeatureCollection)_frame).Get<IHttpRequestIdentifierFeature>().TraceIdentifier;
Assert.NotEqual("xyz", nextId);
_frame.Reset();
var secondId = ((IFeatureCollection)_frame).Get<IHttpRequestIdentifierFeature>().TraceIdentifier;
Assert.NotEqual(nextId, secondId);
}
[Fact]
public void TraceIdentifierGeneratesWhenNull()
{
_frame.TraceIdentifier = null;
var id = _frame.TraceIdentifier;
Assert.NotNull(id);
Assert.Equal(id, _frame.TraceIdentifier);
_frame.TraceIdentifier = null;
Assert.NotEqual(id, _frame.TraceIdentifier);
}
[Fact]
public async Task ResetResetsHeaderLimits()
{
const string headerLine1 = "Header-1: value1\r\n";
const string headerLine2 = "Header-2: value2\r\n";
var options = new KestrelServerOptions();
options.Limits.MaxRequestHeadersTotalSize = headerLine1.Length;
options.Limits.MaxRequestHeaderCount = 1;
_serviceContext.ServerOptions = options;
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"{headerLine1}\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var takeMessageHeaders = _frame.TakeMessageHeaders(readableBuffer, out _consumed, out _examined);
_input.Reader.Advance(_consumed, _examined);
Assert.True(takeMessageHeaders);
Assert.Equal(1, _frame.RequestHeaders.Count);
Assert.Equal("value1", _frame.RequestHeaders["Header-1"]);
_frame.Reset();
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"{headerLine2}\r\n"));
readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
takeMessageHeaders = _frame.TakeMessageHeaders(readableBuffer, out _consumed, out _examined);
_input.Reader.Advance(_consumed, _examined);
Assert.True(takeMessageHeaders);
Assert.Equal(1, _frame.RequestHeaders.Count);
Assert.Equal("value2", _frame.RequestHeaders["Header-2"]);
}
[Fact]
public void ThrowsWhenStatusCodeIsSetAfterResponseStarted()
{
// Act
_frame.Write(new ArraySegment<byte>(new byte[1]));
// Assert
Assert.True(_frame.HasResponseStarted);
Assert.Throws<InvalidOperationException>(() => ((IHttpResponseFeature)_frame).StatusCode = StatusCodes.Status404NotFound);
}
[Fact]
public void ThrowsWhenReasonPhraseIsSetAfterResponseStarted()
{
// Act
_frame.Write(new ArraySegment<byte>(new byte[1]));
// Assert
Assert.True(_frame.HasResponseStarted);
Assert.Throws<InvalidOperationException>(() => ((IHttpResponseFeature)_frame).ReasonPhrase = "Reason phrase");
}
[Fact]
public void ThrowsWhenOnStartingIsSetAfterResponseStarted()
{
_frame.Write(new ArraySegment<byte>(new byte[1]));
// Act/Assert
Assert.True(_frame.HasResponseStarted);
Assert.Throws<InvalidOperationException>(() => ((IHttpResponseFeature)_frame).OnStarting(_ => TaskCache.CompletedTask, null));
}
[Fact]
public void InitializeHeadersResetsRequestHeaders()
{
// Arrange
var originalRequestHeaders = _frame.RequestHeaders;
_frame.RequestHeaders = new FrameRequestHeaders();
// Act
_frame.InitializeHeaders();
// Assert
Assert.Same(originalRequestHeaders, _frame.RequestHeaders);
}
[Fact]
public void InitializeHeadersResetsResponseHeaders()
{
// Arrange
var originalResponseHeaders = _frame.ResponseHeaders;
_frame.ResponseHeaders = new FrameResponseHeaders();
// Act
_frame.InitializeHeaders();
// Assert
Assert.Same(originalResponseHeaders, _frame.ResponseHeaders);
}
[Fact]
public void InitializeStreamsResetsStreams()
{
// Arrange
var messageBody = MessageBody.For(Kestrel.Core.Internal.Http.HttpVersion.Http11, (FrameRequestHeaders)_frame.RequestHeaders, _frame);
_frame.InitializeStreams(messageBody);
var originalRequestBody = _frame.RequestBody;
var originalResponseBody = _frame.ResponseBody;
var originalDuplexStream = _frame.DuplexStream;
_frame.RequestBody = new MemoryStream();
_frame.ResponseBody = new MemoryStream();
_frame.DuplexStream = new MemoryStream();
// Act
_frame.InitializeStreams(messageBody);
// Assert
Assert.Same(originalRequestBody, _frame.RequestBody);
Assert.Same(originalResponseBody, _frame.ResponseBody);
Assert.Same(originalDuplexStream, _frame.DuplexStream);
}
[Theory]
[MemberData(nameof(RequestLineValidData))]
public async Task TakeStartLineSetsFrameProperties(
string requestLine,
string expectedMethod,
string expectedRawTarget,
string expectedRawPath,
string expectedDecodedPath,
string expectedQueryString,
string expectedHttpVersion)
{
var requestLineBytes = Encoding.ASCII.GetBytes(requestLine);
await _input.Writer.WriteAsync(requestLineBytes);
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var returnValue = _frame.TakeStartLine(readableBuffer, out _consumed, out _examined);
_input.Reader.Advance(_consumed, _examined);
Assert.True(returnValue);
Assert.Equal(expectedMethod, _frame.Method);
Assert.Equal(expectedRawTarget, _frame.RawTarget);
Assert.Equal(expectedDecodedPath, _frame.Path);
Assert.Equal(expectedQueryString, _frame.QueryString);
Assert.Equal(expectedHttpVersion, _frame.HttpVersion);
}
[Theory]
[MemberData(nameof(RequestLineDotSegmentData))]
public async Task TakeStartLineRemovesDotSegmentsFromTarget(
string requestLine,
string expectedRawTarget,
string expectedDecodedPath,
string expectedQueryString)
{
var requestLineBytes = Encoding.ASCII.GetBytes(requestLine);
await _input.Writer.WriteAsync(requestLineBytes);
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var returnValue = _frame.TakeStartLine(readableBuffer, out _consumed, out _examined);
_input.Reader.Advance(_consumed, _examined);
Assert.True(returnValue);
Assert.Equal(expectedRawTarget, _frame.RawTarget);
Assert.Equal(expectedDecodedPath, _frame.Path);
Assert.Equal(expectedQueryString, _frame.QueryString);
}
[Fact]
public async Task ParseRequestStartsRequestHeadersTimeoutOnFirstByteAvailable()
{
var connectionControl = new Mock<ITimeoutControl>();
_frame.TimeoutControl = connectionControl.Object;
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes("G"));
_frame.ParseRequest((await _input.Reader.ReadAsync()).Buffer, out _consumed, out _examined);
_input.Reader.Advance(_consumed, _examined);
var expectedRequestHeadersTimeout = _serviceContext.ServerOptions.Limits.RequestHeadersTimeout.Ticks;
connectionControl.Verify(cc => cc.ResetTimeout(expectedRequestHeadersTimeout, TimeoutAction.SendTimeoutResponse));
}
[Fact]
public async Task TakeStartLineThrowsWhenTooLong()
{
_serviceContext.ServerOptions.Limits.MaxRequestLineSize = "GET / HTTP/1.1\r\n".Length;
var requestLineBytes = Encoding.ASCII.GetBytes("GET /a HTTP/1.1\r\n");
await _input.Writer.WriteAsync(requestLineBytes);
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() => _frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal("Request line too long.", exception.Message);
Assert.Equal(StatusCodes.Status414UriTooLong, exception.StatusCode);
}
[Theory]
[MemberData(nameof(TargetWithEncodedNullCharData))]
public async Task TakeStartLineThrowsOnEncodedNullCharInTarget(string target)
{
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"GET {target} HTTP/1.1\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal($"Invalid request target: '{target}'", exception.Message);
}
[Theory]
[MemberData(nameof(TargetWithNullCharData))]
public async Task TakeStartLineThrowsOnNullCharInTarget(string target)
{
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"GET {target} HTTP/1.1\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal($"Invalid request target: '{target.EscapeNonPrintable()}'", exception.Message);
}
[Theory]
[MemberData(nameof(MethodWithNullCharData))]
public async Task TakeStartLineThrowsOnNullCharInMethod(string method)
{
var requestLine = $"{method} / HTTP/1.1\r\n";
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(requestLine));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal($"Invalid request line: '{requestLine.EscapeNonPrintable()}'", exception.Message);
}
[Theory]
[MemberData(nameof(QueryStringWithNullCharData))]
public async Task TakeStartLineThrowsOnNullCharInQueryString(string queryString)
{
var target = $"/{queryString}";
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"GET {target} HTTP/1.1\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal($"Invalid request target: '{target.EscapeNonPrintable()}'", exception.Message);
}
[Theory]
[MemberData(nameof(TargetInvalidData))]
public async Task TakeStartLineThrowsWhenRequestTargetIsInvalid(string method, string target)
{
var requestLine = $"{method} {target} HTTP/1.1\r\n";
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(requestLine));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal($"Invalid request target: '{target.EscapeNonPrintable()}'", exception.Message);
}
[Theory]
[MemberData(nameof(MethodNotAllowedTargetData))]
public async Task TakeStartLineThrowsWhenMethodNotAllowed(string requestLine, HttpMethod allowedMethod)
{
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(requestLine));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal(405, exception.StatusCode);
Assert.Equal("Method not allowed.", exception.Message);
Assert.Equal(HttpUtilities.MethodToString(allowedMethod), exception.AllowedHeader);
}
[Fact]
public void RequestProcessingAsyncEnablesKeepAliveTimeout()
{
var connectionControl = new Mock<ITimeoutControl>();
_frame.TimeoutControl = connectionControl.Object;
var requestProcessingTask = _frame.RequestProcessingAsync();
var expectedKeepAliveTimeout = _serviceContext.ServerOptions.Limits.KeepAliveTimeout.Ticks;
connectionControl.Verify(cc => cc.SetTimeout(expectedKeepAliveTimeout, TimeoutAction.CloseConnection));
_frame.StopAsync();
_input.Writer.Complete();
requestProcessingTask.Wait();
}
[Fact]
public void WriteThrowsForNonBodyResponse()
{
// Arrange
((IHttpResponseFeature)_frame).StatusCode = StatusCodes.Status304NotModified;
// Act/Assert
Assert.Throws<InvalidOperationException>(() => _frame.Write(new ArraySegment<byte>(new byte[1])));
}
[Fact]
public async Task WriteAsyncThrowsForNonBodyResponse()
{
// Arrange
_frame.HttpVersion = "HTTP/1.1";
((IHttpResponseFeature)_frame).StatusCode = StatusCodes.Status304NotModified;
// Act/Assert
await Assert.ThrowsAsync<InvalidOperationException>(() => _frame.WriteAsync(new ArraySegment<byte>(new byte[1]), default(CancellationToken)));
}
[Fact]
public void WriteDoesNotThrowForHeadResponse()
{
// Arrange
_frame.HttpVersion = "HTTP/1.1";
((IHttpRequestFeature)_frame).Method = "HEAD";
// Act/Assert
_frame.Write(new ArraySegment<byte>(new byte[1]));
}
[Fact]
public async Task WriteAsyncDoesNotThrowForHeadResponse()
{
// Arrange
_frame.HttpVersion = "HTTP/1.1";
((IHttpRequestFeature)_frame).Method = "HEAD";
// Act/Assert
await _frame.WriteAsync(new ArraySegment<byte>(new byte[1]), default(CancellationToken));
}
[Fact]
public void ManuallySettingTransferEncodingThrowsForHeadResponse()
{
// Arrange
_frame.HttpVersion = "HTTP/1.1";
((IHttpRequestFeature)_frame).Method = "HEAD";
// Act
_frame.ResponseHeaders.Add("Transfer-Encoding", "chunked");
// Assert
Assert.Throws<InvalidOperationException>(() => _frame.Flush());
}
[Fact]
public void ManuallySettingTransferEncodingThrowsForNoBodyResponse()
{
// Arrange
_frame.HttpVersion = "HTTP/1.1";
((IHttpResponseFeature)_frame).StatusCode = StatusCodes.Status304NotModified;
// Act
_frame.ResponseHeaders.Add("Transfer-Encoding", "chunked");
// Assert
Assert.Throws<InvalidOperationException>(() => _frame.Flush());
}
[Fact]
public async Task RequestProcessingTaskIsUnwrapped()
{
_frame.Start();
var data = Encoding.ASCII.GetBytes("GET / HTTP/1.1\r\n\r\n");
await _input.Writer.WriteAsync(data);
var requestProcessingTask = _frame.StopAsync();
Assert.IsNotType(typeof(Task<Task>), requestProcessingTask);
await requestProcessingTask.TimeoutAfter(TimeSpan.FromSeconds(10));
_input.Writer.Complete();
}
[Fact]
public void RequestAbortedTokenIsResetBeforeLastWriteWithContentLength()
{
_frame.ResponseHeaders["Content-Length"] = "12";
// Need to compare WaitHandle ref since CancellationToken is struct
var original = _frame.RequestAborted.WaitHandle;
foreach (var ch in "hello, worl")
{
_frame.Write(new ArraySegment<byte>(new[] { (byte)ch }));
Assert.Same(original, _frame.RequestAborted.WaitHandle);
}
_frame.Write(new ArraySegment<byte>(new[] { (byte)'d' }));
Assert.NotSame(original, _frame.RequestAborted.WaitHandle);
}
[Fact]
public async Task RequestAbortedTokenIsResetBeforeLastWriteAsyncWithContentLength()
{
_frame.ResponseHeaders["Content-Length"] = "12";
// Need to compare WaitHandle ref since CancellationToken is struct
var original = _frame.RequestAborted.WaitHandle;
foreach (var ch in "hello, worl")
{
await _frame.WriteAsync(new ArraySegment<byte>(new[] { (byte)ch }), default(CancellationToken));
Assert.Same(original, _frame.RequestAborted.WaitHandle);
}
await _frame.WriteAsync(new ArraySegment<byte>(new[] { (byte)'d' }), default(CancellationToken));
Assert.NotSame(original, _frame.RequestAborted.WaitHandle);
}
[Fact]
public async Task RequestAbortedTokenIsResetBeforeLastWriteAsyncAwaitedWithContentLength()
{
_frame.ResponseHeaders["Content-Length"] = "12";
// Need to compare WaitHandle ref since CancellationToken is struct
var original = _frame.RequestAborted.WaitHandle;
foreach (var ch in "hello, worl")
{
await _frame.WriteAsyncAwaited(new ArraySegment<byte>(new[] { (byte)ch }), default(CancellationToken));
Assert.Same(original, _frame.RequestAborted.WaitHandle);
}
await _frame.WriteAsyncAwaited(new ArraySegment<byte>(new[] { (byte)'d' }), default(CancellationToken));
Assert.NotSame(original, _frame.RequestAborted.WaitHandle);
}
[Fact]
public async Task RequestAbortedTokenIsResetBeforeLastWriteWithChunkedEncoding()
{
// Need to compare WaitHandle ref since CancellationToken is struct
var original = _frame.RequestAborted.WaitHandle;
_frame.HttpVersion = "HTTP/1.1";
await _frame.WriteAsync(new ArraySegment<byte>(Encoding.ASCII.GetBytes("hello, world")), default(CancellationToken));
Assert.Same(original, _frame.RequestAborted.WaitHandle);
await _frame.ProduceEndAsync();
Assert.NotSame(original, _frame.RequestAborted.WaitHandle);
}
[Fact]
public async Task ExceptionDetailNotIncludedWhenLogLevelInformationNotEnabled()
{
var previousLog = _serviceContext.Log;
try
{
var mockTrace = new Mock<IKestrelTrace>();
mockTrace
.Setup(trace => trace.IsEnabled(LogLevel.Information))
.Returns(false);
_serviceContext.Log = mockTrace.Object;
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes($"GET /%00 HTTP/1.1\r\n"));
var readableBuffer = (await _input.Reader.ReadAsync()).Buffer;
var exception = Assert.Throws<BadHttpRequestException>(() =>
_frame.TakeStartLine(readableBuffer, out _consumed, out _examined));
_input.Reader.Advance(_consumed, _examined);
Assert.Equal("Invalid request target: ''", exception.Message);
Assert.Equal(StatusCodes.Status400BadRequest, exception.StatusCode);
}
finally
{
_serviceContext.Log = previousLog;
}
}
[Theory]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(100, 100)]
[InlineData(600, 100)]
[InlineData(700, 1)]
[InlineData(1, 700)]
public async Task AcceptsHeadersAcrossSends(int header0Count, int header1Count)
{
_serviceContext.ServerOptions.Limits.MaxRequestHeaderCount = header0Count + header1Count;
var headers0 = MakeHeaders(header0Count);
var headers1 = MakeHeaders(header1Count, header0Count);
var requestProcessingTask = _frame.RequestProcessingAsync();
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes("GET / HTTP/1.0\r\n"));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders != null);
Assert.Equal(0, _frame.RequestHeaders.Count);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(headers0));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders.Count >= header0Count);
Assert.Equal(header0Count, _frame.RequestHeaders.Count);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(headers1));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders.Count >= header0Count + header1Count);
Assert.Equal(header0Count + header1Count, _frame.RequestHeaders.Count);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes("\r\n"));
Assert.Equal(header0Count + header1Count, _frame.RequestHeaders.Count);
await requestProcessingTask.TimeoutAfter(TimeSpan.FromSeconds(10));
}
[Theory]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(100, 100)]
[InlineData(600, 100)]
[InlineData(700, 1)]
[InlineData(1, 700)]
public async Task KeepsSameHeaderCollectionAcrossSends(int header0Count, int header1Count)
{
_serviceContext.ServerOptions.Limits.MaxRequestHeaderCount = header0Count + header1Count;
var headers0 = MakeHeaders(header0Count);
var headers1 = MakeHeaders(header1Count, header0Count);
var requestProcessingTask = _frame.RequestProcessingAsync();
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes("GET / HTTP/1.0\r\n"));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders != null);
Assert.Equal(0, _frame.RequestHeaders.Count);
var newRequestHeaders = new RequestHeadersWrapper(_frame.RequestHeaders);
_frame.RequestHeaders = newRequestHeaders;
Assert.Same(newRequestHeaders, _frame.RequestHeaders);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(headers0));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders.Count >= header0Count);
Assert.Same(newRequestHeaders, _frame.RequestHeaders);
Assert.Equal(header0Count, _frame.RequestHeaders.Count);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes(headers1));
await WaitForCondition(TimeSpan.FromSeconds(1), () => _frame.RequestHeaders.Count >= header0Count + header1Count);
Assert.Same(newRequestHeaders, _frame.RequestHeaders);
Assert.Equal(header0Count + header1Count, _frame.RequestHeaders.Count);
await _input.Writer.WriteAsync(Encoding.ASCII.GetBytes("\r\n"));
Assert.Same(newRequestHeaders, _frame.RequestHeaders);
Assert.Equal(header0Count + header1Count, _frame.RequestHeaders.Count);
await requestProcessingTask.TimeoutAfter(TimeSpan.FromSeconds(10));
}
private static async Task WaitForCondition(TimeSpan timeout, Func<bool> condition)
{
const int MaxWaitLoop = 150;
var delay = (int)Math.Ceiling(timeout.TotalMilliseconds / MaxWaitLoop);
var waitLoop = 0;
while (waitLoop < MaxWaitLoop && !condition())
{
// Wait for parsing condition to trigger
await Task.Delay(delay);
waitLoop++;
}
}
private static string MakeHeaders(int count, int startAt = 0)
{
return string.Join("", Enumerable
.Range(0, count)
.Select(i => $"Header-{startAt + i}: value{startAt + i}\r\n"));
}
public static IEnumerable<object> RequestLineValidData => HttpParsingData.RequestLineValidData;
public static IEnumerable<object> RequestLineDotSegmentData => HttpParsingData.RequestLineDotSegmentData;
public static TheoryData<string> TargetWithEncodedNullCharData
{
get
{
var data = new TheoryData<string>();
foreach (var target in HttpParsingData.TargetWithEncodedNullCharData)
{
data.Add(target);
}
return data;
}
}
public static TheoryData<string, string> TargetInvalidData
=> HttpParsingData.TargetInvalidData;
public static TheoryData<string, HttpMethod> MethodNotAllowedTargetData
=> HttpParsingData.MethodNotAllowedRequestLine;
public static TheoryData<string> TargetWithNullCharData
{
get
{
var data = new TheoryData<string>();
foreach (var target in HttpParsingData.TargetWithNullCharData)
{
data.Add(target);
}
return data;
}
}
public static TheoryData<string> MethodWithNullCharData
{
get
{
var data = new TheoryData<string>();
foreach (var target in HttpParsingData.MethodWithNullCharData)
{
data.Add(target);
}
return data;
}
}
public static TheoryData<string> QueryStringWithNullCharData
{
get
{
var data = new TheoryData<string>();
foreach (var target in HttpParsingData.QueryStringWithNullCharData)
{
data.Add(target);
}
return data;
}
}
private class MockConnectionInformation : IConnectionInformation
{
public IPEndPoint RemoteEndPoint { get; }
public IPEndPoint LocalEndPoint { get; }
public PipeFactory PipeFactory { get; }
public bool RequiresDispatch { get; }
public IScheduler InputWriterScheduler { get; }
public IScheduler OutputReaderScheduler { get; }
}
private class RequestHeadersWrapper : IHeaderDictionary
{
IHeaderDictionary _innerHeaders;
public RequestHeadersWrapper(IHeaderDictionary headers)
{
_innerHeaders = headers;
}
public StringValues this[string key] { get => _innerHeaders[key]; set => _innerHeaders[key] = value; }
public long? ContentLength { get => _innerHeaders.ContentLength; set => _innerHeaders.ContentLength = value; }
public ICollection<string> Keys => _innerHeaders.Keys;
public ICollection<StringValues> Values => _innerHeaders.Values;
public int Count => _innerHeaders.Count;
public bool IsReadOnly => _innerHeaders.IsReadOnly;
public void Add(string key, StringValues value) => _innerHeaders.Add(key, value);
public void Add(KeyValuePair<string, StringValues> item) => _innerHeaders.Add(item);
public void Clear() => _innerHeaders.Clear();
public bool Contains(KeyValuePair<string, StringValues> item) => _innerHeaders.Contains(item);
public bool ContainsKey(string key) => _innerHeaders.ContainsKey(key);
public void CopyTo(KeyValuePair<string, StringValues>[] array, int arrayIndex) => _innerHeaders.CopyTo(array, arrayIndex);
public IEnumerator<KeyValuePair<string, StringValues>> GetEnumerator() => _innerHeaders.GetEnumerator();
public bool Remove(string key) => _innerHeaders.Remove(key);
public bool Remove(KeyValuePair<string, StringValues> item) => _innerHeaders.Remove(item);
public bool TryGetValue(string key, out StringValues value) => _innerHeaders.TryGetValue(key, out value);
IEnumerator IEnumerable.GetEnumerator() => _innerHeaders.GetEnumerator();
}
}
}