public async Task ConnectionRequestClose_OSSupport_SendsGoAway()
{
using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
{
httpContext.Connection.RequestClose();
return(Task.FromResult(0));
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);
var goAwayFrame = await h2Connection.ReceiveFrameAsync();
h2Connection.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
// Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task Reset_BeforeRequestBody_Resets()
{
var deploymentParameters = GetHttpsDeploymentParameters();
var deploymentResult = await DeployAsync(deploymentParameters);
await new HostBuilder()
.UseHttp2Cat(deploymentResult.ApplicationBaseUri, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, GetPostHeaders("/Reset_BeforeRequestBody_Resets"), endStream: false);
// Any app errors?
//Assert.Equal(0, await appResult.Task.DefaultTimeout());
var resetFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task AppException_AfterHeaders_ResetInternalError()
{
await new HostBuilder()
.UseHttp2Cat(Fixture.Client.BaseAddress.AbsoluteUri, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, GetHeaders("/AppException_AfterHeaders_ResetInternalError"), endStream: true);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var frame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyResetFrame(frame, expectedStreamId: 1, Http2ErrorCode.INTERNAL_ERROR);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task Http2_PostRequestWithoutData_LengthRequired(string method)
{
var deploymentParameters = GetHttpsDeploymentParameters();
var deploymentResult = await DeployAsync(deploymentParameters);
await new HostBuilder()
.UseHttp2Cat(deploymentResult.ApplicationBaseUri, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
var headers = new[]
{
new KeyValuePair <string, string>(HeaderNames.Method, method),
new KeyValuePair <string, string>(HeaderNames.Path, "/"),
new KeyValuePair <string, string>(HeaderNames.Scheme, "https"),
new KeyValuePair <string, string>(HeaderNames.Authority, "localhost:443"),
};
await h2Connection.StartStreamAsync(1, headers, endStream: true);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
Assert.Equal("411", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 344);
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task AppException_BeforeResponseHeaders_500()
{
using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
{
throw new Exception("Application exception");
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
Assert.Equal("500", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
if (Environment.OSVersion.Version >= Win10_Regressed_DataFrame)
{
// TODO: Remove when the regression is fixed.
// https://github.com/dotnet/aspnetcore/issues/23164#issuecomment-652646163
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 0);
dataFrame = await h2Connection.ReceiveFrameAsync();
}
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
private async Task RunAsync()
{
try
{
var address = BindingAddress.Parse(Options.Url);
if (!IPAddress.TryParse(address.Host, out var ip))
{
ip = Dns.GetHostEntry(address.Host).AddressList.First();
}
var endpoint = new IPEndPoint(ip, address.Port);
_logger.LogInformation($"Connecting to '{endpoint}'.");
await using var context = await _connectionFactory.ConnectAsync(endpoint);
_logger.LogInformation($"Connected to '{endpoint}'.");
var originalTransport = context.Transport;
IAsyncDisposable sslState = null;
if (address.Scheme.Equals("https", StringComparison.OrdinalIgnoreCase))
{
_logger.LogInformation("Starting TLS handshake.");
var memoryPool = context.Features.Get <IMemoryPoolFeature>()?.MemoryPool;
var inputPipeOptions = new StreamPipeReaderOptions(memoryPool, memoryPool.GetMinimumSegmentSize(), memoryPool.GetMinimumAllocSize(), leaveOpen: true);
var outputPipeOptions = new StreamPipeWriterOptions(pool: memoryPool, leaveOpen: true);
var sslDuplexPipe = new SslDuplexPipe(context.Transport, inputPipeOptions, outputPipeOptions);
var sslStream = sslDuplexPipe.Stream;
sslState = sslDuplexPipe;
context.Transport = sslDuplexPipe;
await sslStream.AuthenticateAsClientAsync(new SslClientAuthenticationOptions
{
TargetHost = address.Host,
RemoteCertificateValidationCallback = (_, __, ___, ____) => true,
ApplicationProtocols = new List <SslApplicationProtocol> {
SslApplicationProtocol.Http2
},
EnabledSslProtocols = SslProtocols.Tls12,
}, CancellationToken.None);
_logger.LogInformation($"TLS handshake completed successfully.");
}
var http2Utilities = new Http2Utilities(context, _logger, _stopTokenSource.Token);
try
{
await Options.Scenaro(http2Utilities);
}
catch (Exception ex)
{
_logger.LogError(ex, "App error");
throw;
}
finally
{
// Unwind Https for shutdown. This must happen before the context goes out of scope or else DisposeAsync will never complete
context.Transport = originalTransport;
if (sslState != null)
{
await sslState.DisposeAsync();
}
}
}
finally
{
HostApplicationLifetime.StopApplication();
}
}
public async Task Http2_RequestWithDataAndNoContentLength_Success(string method)
{
var deploymentParameters = GetHttpsDeploymentParameters();
var deploymentResult = await DeployAsync(deploymentParameters);
await new HostBuilder()
.UseHttp2Cat(deploymentResult.ApplicationBaseUri, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
var headers = new[]
{
new KeyValuePair <string, string>(HeaderNames.Method, method),
new KeyValuePair <string, string>(HeaderNames.Path, "/Http2_RequestWithDataAndNoContentLength_Success"),
new KeyValuePair <string, string>(HeaderNames.Scheme, "https"),
new KeyValuePair <string, string>(HeaderNames.Authority, "localhost:443"),
};
await h2Connection.StartStreamAsync(1, headers, endStream: false);
await h2Connection.SendDataAsync(1, Encoding.UTF8.GetBytes("Hello World"), endStream: true);
// Http.Sys no longer sends a window update here on later versions.
if (Environment.OSVersion.Version < new Version(10, 0, 19041, 0))
{
var windowUpdate = await h2Connection.ReceiveFrameAsync();
Assert.Equal(Http2FrameType.WINDOW_UPDATE, windowUpdate.Type);
}
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Assert.Equal(Http2FrameType.DATA, dataFrame.Type);
Assert.Equal(1, dataFrame.StreamId);
// Some versions send an empty data frame first.
if (dataFrame.PayloadLength == 0)
{
Assert.False(dataFrame.DataEndStream);
dataFrame = await h2Connection.ReceiveFrameAsync();
Assert.Equal(Http2FrameType.DATA, dataFrame.Type);
Assert.Equal(1, dataFrame.StreamId);
}
Assert.Equal(11, dataFrame.PayloadLength);
Assert.Equal("Hello World", Encoding.UTF8.GetString(dataFrame.Payload.Span));
if (!dataFrame.DataEndStream)
{
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
}
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task ConnectionClose_AdditionalRequests_ReceivesSecondGoAway()
{
using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
{
httpContext.Response.Headers.Connection = "close";
return(Task.FromResult(0));
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
var streamId = 1;
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
var goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
// Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.
for (var i = 1; i < 200; i++)
{
streamId = 1 + (i * 2); // Odds.
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
}
streamId = 1 + (200 * 2); // Odds.
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
// Final GoAway
goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, streamId, Http2ErrorCode.NO_ERROR);
// Normal response
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task Reset_CompleteAsyncDurringRequestBody_Resets()
{
var appResult = new TaskCompletionSource <int>(TaskCreationOptions.RunContinuationsAsynchronously);
using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
{
try
{
Assert.Equal("HTTP/2", httpContext.Request.Protocol);
var feature = httpContext.Features.Get <IHttpResetFeature>();
Assert.NotNull(feature);
var read = await httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
Assert.Equal(10, read);
var readTask = httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
await httpContext.Response.CompleteAsync();
feature.Reset((int)Http2ErrorCode.NO_ERROR); // GRPC does this
await Assert.ThrowsAsync <IOException>(() => readTask);
appResult.SetResult(0);
}
catch (Exception ex)
{
appResult.SetException(ex);
}
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, Http2Utilities.PostRequestHeaders, endStream: false);
await h2Connection.SendDataAsync(1, new byte[10], endStream: false);
// Any app errors?
Assert.Equal(0, await appResult.Task.DefaultTimeout());
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
if (Environment.OSVersion.Version >= Win10_Regressed_DataFrame)
{
// TODO: Remove when the regression is fixed.
// https://github.com/dotnet/aspnetcore/issues/23164#issuecomment-652646163
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 0);
dataFrame = await h2Connection.ReceiveFrameAsync();
}
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
var resetFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: Http2ErrorCode.NO_ERROR);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
