aspnetcore/test/Kestrel.InMemory.Functional.../RequestTests.cs

1128 lines
43 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.Concurrent;
using System.IO;
using System.IO.Pipelines;
using System.Linq;
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;
using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport;
using Microsoft.AspNetCore.Testing;
using Microsoft.Extensions.Logging.Testing;
using Xunit;
namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests
{
public class RequestTests : LoggedTest
{
[Fact]
public async Task StreamsAreNotPersistedAcrossRequests()
{
var requestBodyPersisted = false;
var responseBodyPersisted = false;
using (var server = new TestServer(async context =>
{
if (context.Request.Body is MemoryStream)
{
requestBodyPersisted = true;
}
if (context.Response.Body is MemoryStream)
{
responseBodyPersisted = true;
}
context.Request.Body = new MemoryStream();
context.Response.Body = new MemoryStream();
await context.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
Assert.Equal(string.Empty, await server.HttpClientSlim.GetStringAsync($"http://localhost:{server.Port}/"));
Assert.Equal(string.Empty, await server.HttpClientSlim.GetStringAsync($"http://localhost:{server.Port}/"));
Assert.False(requestBodyPersisted);
Assert.False(responseBodyPersisted);
}
}
[Fact]
public async Task RequestBodyReadAsyncCanBeCancelled()
{
var helloTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var cts = new CancellationTokenSource();
using (var server = new TestServer(async context =>
{
var buffer = new byte[1024];
try
{
int read = await context.Request.Body.ReadAsync(buffer, 0, buffer.Length, cts.Token);
Assert.Equal("Hello ", Encoding.UTF8.GetString(buffer, 0, read));
helloTcs.TrySetResult(null);
}
catch (Exception ex)
{
// This shouldn't fail
helloTcs.TrySetException(ex);
}
try
{
await context.Request.Body.ReadAsync(buffer, 0, buffer.Length, cts.Token);
context.Response.ContentLength = 12;
await context.Response.WriteAsync("Read success");
}
catch (OperationCanceledException)
{
context.Response.ContentLength = 14;
await context.Response.WriteAsync("Read cancelled");
}
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Connection: keep-alive",
"Content-Length: 11",
"",
"");
await connection.Send("Hello ");
await helloTcs.Task;
// Cancel the body after hello is read
cts.Cancel();
await connection.Send("World");
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 14",
"",
"Read cancelled");
}
}
}
[Fact]
public async Task CanUpgradeRequestWithConnectionKeepAliveUpgradeHeader()
{
var testContext = new TestServiceContext();
var dataRead = false;
using (var server = new TestServer(async context =>
{
var stream = await context.Features.Get<IHttpUpgradeFeature>().UpgradeAsync();
var data = new byte[3];
var bytesRead = 0;
while (bytesRead < 3)
{
bytesRead += await stream.ReadAsync(data, bytesRead, data.Length - bytesRead);
}
dataRead = Encoding.ASCII.GetString(data, 0, 3) == "abc";
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:\r\nConnection: keep-alive, upgrade",
"",
"abc");
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {testContext.DateHeaderValue}",
"",
"");
}
}
Assert.True(dataRead);
}
[Theory]
[InlineData("http://localhost/abs/path", "/abs/path", null)]
[InlineData("https://localhost/abs/path", "/abs/path", null)] // handles mismatch scheme
[InlineData("https://localhost:22/abs/path", "/abs/path", null)] // handles mismatched ports
[InlineData("https://differenthost/abs/path", "/abs/path", null)] // handles mismatched hostname
[InlineData("http://localhost/", "/", null)]
[InlineData("http://root@contoso.com/path", "/path", null)]
[InlineData("http://root:password@contoso.com/path", "/path", null)]
[InlineData("https://localhost/", "/", null)]
[InlineData("http://localhost", "/", null)]
[InlineData("http://127.0.0.1/", "/", null)]
[InlineData("http://[::1]/", "/", null)]
[InlineData("http://[::1]:8080/", "/", null)]
[InlineData("http://localhost?q=123&w=xyz", "/", "123")]
[InlineData("http://localhost/?q=123&w=xyz", "/", "123")]
[InlineData("http://localhost/path?q=123&w=xyz", "/path", "123")]
[InlineData("http://localhost/path%20with%20space?q=abc%20123", "/path with space", "abc 123")]
public async Task CanHandleRequestsWithUrlInAbsoluteForm(string requestUrl, string expectedPath, string queryValue)
{
var pathTcs = new TaskCompletionSource<PathString>(TaskCreationOptions.RunContinuationsAsynchronously);
var rawTargetTcs = new TaskCompletionSource<string>(TaskCreationOptions.RunContinuationsAsynchronously);
var queryTcs = new TaskCompletionSource<IQueryCollection>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async context =>
{
pathTcs.TrySetResult(context.Request.Path);
queryTcs.TrySetResult(context.Request.Query);
rawTargetTcs.TrySetResult(context.Features.Get<IHttpRequestFeature>().RawTarget);
await context.Response.WriteAsync("Done");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
var requestTarget = new Uri(requestUrl, UriKind.Absolute);
var host = requestTarget.Authority;
if (requestTarget.IsDefaultPort)
{
host += ":" + requestTarget.Port;
}
await connection.Send(
$"GET {requestUrl} HTTP/1.1",
"Content-Length: 0",
$"Host: {host}",
"",
"");
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"4",
"Done");
await Task.WhenAll(pathTcs.Task, rawTargetTcs.Task, queryTcs.Task).DefaultTimeout();
Assert.Equal(new PathString(expectedPath), pathTcs.Task.Result);
Assert.Equal(requestUrl, rawTargetTcs.Task.Result);
if (queryValue == null)
{
Assert.False(queryTcs.Task.Result.ContainsKey("q"));
}
else
{
Assert.Equal(queryValue, queryTcs.Task.Result["q"]);
}
}
}
}
[Fact]
public async Task AppCanSetTraceIdentifier()
{
const string knownId = "xyz123";
using (var server = new TestServer(async context =>
{
context.TraceIdentifier = knownId;
await context.Response.WriteAsync(context.TraceIdentifier);
}, new TestServiceContext(LoggerFactory)))
{
var requestId = await server.HttpClientSlim.GetStringAsync($"http://localhost:{server.Port}/");
Assert.Equal(knownId, requestId);
}
}
[Fact]
public async Task TraceIdentifierIsUnique()
{
const int identifierLength = 22;
const int iterations = 10;
using (var server = new TestServer(async context =>
{
Assert.Equal(identifierLength, Encoding.ASCII.GetByteCount(context.TraceIdentifier));
context.Response.ContentLength = identifierLength;
await context.Response.WriteAsync(context.TraceIdentifier);
}, new TestServiceContext(LoggerFactory)))
{
var usedIds = new ConcurrentBag<string>();
// requests on separate connections in parallel
Parallel.For(0, iterations, async i =>
{
var id = await server.HttpClientSlim.GetStringAsync($"http://localhost:{server.Port}/");
Assert.DoesNotContain(id, usedIds.ToArray());
usedIds.Add(id);
});
// requests on same connection
using (var connection = server.CreateConnection())
{
var buffer = new char[identifierLength];
for (var i = 0; i < iterations; i++)
{
await connection.SendEmptyGet();
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Content-Length: {identifierLength}",
"",
"");
var read = await connection.Reader.ReadAsync(buffer, 0, identifierLength);
Assert.Equal(identifierLength, read);
var id = new string(buffer, 0, read);
Assert.DoesNotContain(id, usedIds.ToArray());
usedIds.Add(id);
}
}
}
}
[Fact]
public async Task Http11KeptAliveByDefault()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoAppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"Connection: close",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Fact]
public async Task Http10NotKeptAliveByDefault()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"",
"Hello World");
}
}
}
[Fact]
public async Task Http10KeepAlive()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoAppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"POST / HTTP/1.0",
"Content-Length: 7",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Fact]
public async Task Http10KeepAliveNotHonoredIfResponseContentLengthNotSet()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"\r\n");
await connection.Send(
"POST / HTTP/1.0",
"Connection: keep-alive",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"",
"Goodbye");
}
}
}
[Fact]
public async Task Http10KeepAliveHonoredIfResponseContentLengthSet()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoAppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 11",
"Connection: keep-alive",
"",
"Hello World");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
await connection.Send(
"POST / HTTP/1.0",
"Connection: keep-alive",
"Content-Length: 11",
"",
"Hello Again");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello Again");
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Fact]
public async Task Expect100ContinueHonored()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoAppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Expect: 100-continue",
"Connection: close",
"Content-Length: 11",
"\r\n");
await connection.Receive(
"HTTP/1.1 100 Continue",
"",
"");
await connection.Send("Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
}
}
}
[Fact]
public async Task ZeroContentLengthAssumedOnNonKeepAliveRequestsWithoutContentLengthOrTransferEncodingHeader()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
// This will hang if 0 content length is not assumed by the server
Assert.Equal(0, await httpContext.Request.Body.ReadAsync(new byte[1], 0, 1).DefaultTimeout());
}, testContext))
{
using (var connection = server.CreateConnection())
{
// Use Send instead of SendEnd to ensure the connection will remain open while
// the app runs and reads 0 bytes from the body nonetheless. This checks that
// https://github.com/aspnet/KestrelHttpServer/issues/1104 is not regressing.
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task ConnectionClosesWhenFinReceivedBeforeRequestCompletes()
{
var testContext = new TestServiceContext(LoggerFactory);
// FIN callbacks are scheduled so run inline to make this test more reliable
testContext.Scheduler = PipeScheduler.Inline;
using (var server = new TestServer(TestApp.EchoAppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1");
connection.ShutdownSend();
await connection.ReceiveEnd();
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 7");
connection.ShutdownSend();
await connection.ReceiveEnd();
}
}
}
[Fact]
public async Task RequestHeadersAreResetOnEachRequest()
{
var testContext = new TestServiceContext(LoggerFactory);
IHeaderDictionary originalRequestHeaders = null;
var firstRequest = true;
using (var server = new TestServer(httpContext =>
{
var requestFeature = httpContext.Features.Get<IHttpRequestFeature>();
if (firstRequest)
{
originalRequestHeaders = requestFeature.Headers;
requestFeature.Headers = new HttpRequestHeaders();
firstRequest = false;
}
else
{
Assert.Same(originalRequestHeaders, requestFeature.Headers);
}
return Task.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task UpgradeRequestIsNotKeptAliveOrChunked()
{
const string message = "Hello World";
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async context =>
{
var upgradeFeature = context.Features.Get<IHttpUpgradeFeature>();
var duplexStream = await upgradeFeature.UpgradeAsync();
var buffer = new byte[message.Length];
var read = 0;
while (read < message.Length)
{
read += await duplexStream.ReadAsync(buffer, read, buffer.Length - read).DefaultTimeout();
}
await duplexStream.WriteAsync(buffer, 0, read);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: Upgrade",
"",
message);
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {testContext.DateHeaderValue}",
"",
message);
}
}
}
[Fact]
public async Task HeadersAndStreamsAreReusedAcrossRequests()
{
var testContext = new TestServiceContext(LoggerFactory);
var streamCount = 0;
var requestHeadersCount = 0;
var responseHeadersCount = 0;
var loopCount = 20;
Stream lastStream = null;
IHeaderDictionary lastRequestHeaders = null;
IHeaderDictionary lastResponseHeaders = null;
using (var server = new TestServer(async context =>
{
if (context.Request.Body != lastStream)
{
lastStream = context.Request.Body;
streamCount++;
}
if (context.Request.Headers != lastRequestHeaders)
{
lastRequestHeaders = context.Request.Headers;
requestHeadersCount++;
}
if (context.Response.Headers != lastResponseHeaders)
{
lastResponseHeaders = context.Response.Headers;
responseHeadersCount++;
}
var ms = new MemoryStream();
await context.Request.Body.CopyToAsync(ms);
var request = ms.ToArray();
context.Response.ContentLength = request.Length;
await context.Response.Body.WriteAsync(request, 0, request.Length);
}, testContext))
{
using (var connection = server.CreateConnection())
{
var requestData =
Enumerable.Repeat("GET / HTTP/1.1\r\nHost:\r\n", loopCount)
.Concat(new[] { "GET / HTTP/1.1\r\nHost:\r\nContent-Length: 7\r\nConnection: close\r\n\r\nGoodbye" });
var response = string.Join("\r\n", new string[] {
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
""});
var lastResponse = string.Join("\r\n", new string[]
{
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye"
});
var responseData =
Enumerable.Repeat(response, loopCount)
.Concat(new[] { lastResponse });
await connection.Send(requestData.ToArray());
await connection.ReceiveEnd(responseData.ToArray());
}
Assert.Equal(1, streamCount);
Assert.Equal(1, requestHeadersCount);
Assert.Equal(1, responseHeadersCount);
}
}
[Theory]
[MemberData(nameof(HostHeaderData))]
public async Task MatchesValidRequestTargetAndHostHeader(string request, string hostHeader)
{
using (var server = new TestServer(context => Task.CompletedTask, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send($"{request} HTTP/1.1",
$"Host: {hostHeader}",
"",
"");
await connection.Receive("HTTP/1.1 200 OK");
}
}
}
[Fact]
public async Task ServerConsumesKeepAliveContentLengthRequest()
{
// The app doesn't read the request body, so it should be consumed by the server
using (var server = new TestServer(context => Task.CompletedTask, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"hello");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
// If the server consumed the previous request properly, the
// next request should be successful
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"world");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task ServerConsumesKeepAliveChunkedRequest()
{
// The app doesn't read the request body, so it should be consumed by the server
using (var server = new TestServer(context => Task.CompletedTask, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"5",
"hello",
"5",
"world",
"0",
"Trailer: value",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
// If the server consumed the previous request properly, the
// next request should be successful
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"world");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task NonKeepAliveRequestNotConsumedByAppCompletes()
{
// The app doesn't read the request body, so it should be consumed by the server
using (var server = new TestServer(context => Task.CompletedTask, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.SendAll(
"POST / HTTP/1.0",
"Host:",
"Content-Length: 5",
"",
"hello");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task UpgradedRequestNotConsumedByAppCompletes()
{
// The app doesn't read the request body, so it should be consumed by the server
using (var server = new TestServer(async context =>
{
var upgradeFeature = context.Features.Get<IHttpUpgradeFeature>();
var duplexStream = await upgradeFeature.UpgradeAsync();
var response = Encoding.ASCII.GetBytes("goodbye");
await duplexStream.WriteAsync(response, 0, response.Length);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.SendAll(
"GET / HTTP/1.1",
"Host:",
"Connection: upgrade",
"",
"hello");
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {server.Context.DateHeaderValue}",
"",
"goodbye");
}
}
}
[Fact]
public async Task DoesNotEnforceRequestBodyMinimumDataRateOnUpgradedRequest()
{
var appEvent = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var delayEvent = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var serviceContext = new TestServiceContext(LoggerFactory);
var heartbeatManager = new HeartbeatManager(serviceContext.ConnectionManager, serviceContext.SystemClock.UtcNow);
using (var server = new TestServer(async context =>
{
context.Features.Get<IHttpMinRequestBodyDataRateFeature>().MinDataRate =
new MinDataRate(bytesPerSecond: double.MaxValue, gracePeriod: Heartbeat.Interval + TimeSpan.FromTicks(1));
using (var stream = await context.Features.Get<IHttpUpgradeFeature>().UpgradeAsync())
{
appEvent.SetResult(null);
// Read once to go through one set of TryPauseTimingReads()/TryResumeTimingReads() calls
await stream.ReadAsync(new byte[1], 0, 1);
await delayEvent.Task.DefaultTimeout();
// Read again to check that the connection is still alive
await stream.ReadAsync(new byte[1], 0, 1);
// Send a response to distinguish from the timeout case where the 101 is still received, but without any content
var response = Encoding.ASCII.GetBytes("hello");
await stream.WriteAsync(response, 0, response.Length);
}
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: upgrade",
"",
"a");
await appEvent.Task.DefaultTimeout();
serviceContext.MockSystemClock.UtcNow += TimeSpan.FromSeconds(5);
heartbeatManager.OnHeartbeat(serviceContext.SystemClock.UtcNow);
delayEvent.SetResult(null);
await connection.Send("b");
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {server.Context.DateHeaderValue}",
"",
"hello");
}
}
}
[Fact]
public async Task SynchronousReadsAllowedByDefault()
{
var firstRequest = true;
using (var server = new TestServer(async context =>
{
var bodyControlFeature = context.Features.Get<IHttpBodyControlFeature>();
Assert.True(bodyControlFeature.AllowSynchronousIO);
var buffer = new byte[6];
var offset = 0;
// The request body is 5 bytes long. The 6th byte (buffer[5]) is only used for writing the response body.
buffer[5] = (byte)(firstRequest ? '1' : '2');
if (firstRequest)
{
while (offset < 5)
{
offset += context.Request.Body.Read(buffer, offset, 5 - offset);
}
firstRequest = false;
}
else
{
bodyControlFeature.AllowSynchronousIO = false;
// Synchronous reads now throw.
var ioEx = Assert.Throws<InvalidOperationException>(() => context.Request.Body.Read(new byte[1], 0, 1));
Assert.Equal(CoreStrings.SynchronousReadsDisallowed, ioEx.Message);
var ioEx2 = Assert.Throws<InvalidOperationException>(() => context.Request.Body.CopyTo(Stream.Null));
Assert.Equal(CoreStrings.SynchronousReadsDisallowed, ioEx2.Message);
while (offset < 5)
{
offset += await context.Request.Body.ReadAsync(buffer, offset, 5 - offset);
}
}
Assert.Equal(0, await context.Request.Body.ReadAsync(new byte[1], 0, 1));
Assert.Equal("Hello", Encoding.ASCII.GetString(buffer, 0, 5));
context.Response.ContentLength = 6;
await context.Response.Body.WriteAsync(buffer, 0, 6);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"HelloPOST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"Hello");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 6",
"",
"Hello1HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 6",
"",
"Hello2");
}
}
}
[Fact]
public async Task SynchronousReadsCanBeDisallowedGlobally()
{
var testContext = new TestServiceContext(LoggerFactory)
{
ServerOptions = { AllowSynchronousIO = false }
};
using (var server = new TestServer(async context =>
{
var bodyControlFeature = context.Features.Get<IHttpBodyControlFeature>();
Assert.False(bodyControlFeature.AllowSynchronousIO);
// Synchronous reads now throw.
var ioEx = Assert.Throws<InvalidOperationException>(() => context.Request.Body.Read(new byte[1], 0, 1));
Assert.Equal(CoreStrings.SynchronousReadsDisallowed, ioEx.Message);
var ioEx2 = Assert.Throws<InvalidOperationException>(() => context.Request.Body.CopyTo(Stream.Null));
Assert.Equal(CoreStrings.SynchronousReadsDisallowed, ioEx2.Message);
var buffer = new byte[5];
var offset = 0;
while (offset < 5)
{
offset += await context.Request.Body.ReadAsync(buffer, offset, 5 - offset);
}
Assert.Equal(0, await context.Request.Body.ReadAsync(new byte[1], 0, 1));
Assert.Equal("Hello", Encoding.ASCII.GetString(buffer));
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 5",
"",
"Hello");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
public static TheoryData<string, string> HostHeaderData => HttpParsingData.HostHeaderData;
}
}