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Trailers for IIS
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‎AspNetCore.sln

Lines changed: 151 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1457,6 +1457,28 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "InteropWebsite", "src\Grpc\
14571457
EndProject
14581458
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Wasm.Performance.ConsoleHost", "src\Components\benchmarkapps\Wasm.Performance\ConsoleHost\Wasm.Performance.ConsoleHost.csproj", "{E9408723-E6A9-4715-B906-3B25B0238ABA}"
14591459
EndProject
1460+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "InProcessWebSite", "src\Servers\IIS\IIS\test\testassets\InProcessWebSite\InProcessWebSite.csproj", "{8DA61885-B95E-4BA1-A752-C79B6597FC44}"
1461+
EndProject
1462+
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ANCM", "ANCM", "{D62AF49B-F9FE-4794-AC39-A473FF13CA81}"
1463+
EndProject
1464+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "AspNetCore", "src\Servers\IIS\AspNetCoreModuleV2\AspNetCore\AspNetCore.vcxproj", "{EC82302F-D2F0-4727-99D1-EABC0DD9DC3B}"
1465+
EndProject
1466+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CommonLib", "src\Servers\IIS\AspNetCoreModuleV2\CommonLib\CommonLib.vcxproj", "{55494E58-E061-4C4C-A0A8-837008E72F85}"
1467+
EndProject
1468+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CommonLibTests", "src\Servers\IIS\AspNetCoreModuleV2\CommonLibTests\CommonLibTests.vcxproj", "{1EAC8125-1765-4E2D-8CBE-56DC98A1C8C1}"
1469+
EndProject
1470+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gtest", "src\Servers\IIS\AspNetCoreModuleV2\gtest\gtest.vcxproj", "{CAC1267B-8778-4257-AAC6-CAF481723B01}"
1471+
EndProject
1472+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "IISLib", "src\Servers\IIS\AspNetCoreModuleV2\IISLib\IISLib.vcxproj", "{09D9D1D6-2951-4E14-BC35-76A23CF9391A}"
1473+
EndProject
1474+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "InProcessRequestHandler", "src\Servers\IIS\AspNetCoreModuleV2\InProcessRequestHandler\InProcessRequestHandler.vcxproj", "{D57EA297-6DC2-4BC0-8C91-334863327863}"
1475+
EndProject
1476+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "OutOfProcessRequestHandler", "src\Servers\IIS\AspNetCoreModuleV2\OutOfProcessRequestHandler\OutOfProcessRequestHandler.vcxproj", "{7F87406C-A3C8-4139-A68D-E4C344294A67}"
1477+
EndProject
1478+
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RequestHandlerLib", "src\Servers\IIS\AspNetCoreModuleV2\RequestHandlerLib\RequestHandlerLib.vcxproj", "{1533E271-F61B-441B-8B74-59FB61DF0552}"
1479+
EndProject
1480+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.ANCMSymbols", "src\Servers\IIS\AspNetCoreModuleV2\Symbols\Microsoft.AspNetCore.ANCMSymbols.csproj", "{7E268085-1046-4362-80CB-2977FF826DCA}"
1481+
EndProject
14601482
Global
14611483
GlobalSection(SolutionConfigurationPlatforms) = preSolution
14621484
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69067046
EndGlobalSection
69077047
GlobalSection(SolutionProperties) = preSolution
69087048
HideSolutionNode = FALSE
@@ -7633,6 +7773,17 @@ Global
76337773
{C3A0F425-669F-46A8-893F-CF449A6DAE56} = {00B2DD87-7E2A-4460-BE1B-5E18B1062B7F}
76347774
{19189670-E206-471D-94F8-7D3D545E5020} = {00B2DD87-7E2A-4460-BE1B-5E18B1062B7F}
76357775
{E9408723-E6A9-4715-B906-3B25B0238ABA} = {6276A9A0-791B-49C1-AD8F-50AC47CDC196}
7776+
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7777+
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7778+
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7779+
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7780+
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7786+
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76367787
EndGlobalSection
76377788
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76387789
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‎src/Servers/IIS/AspNetCoreModuleV2/InProcessRequestHandler/managedexports.cpp

Lines changed: 72 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,50 @@ extern bool g_fInProcessApplicationCreated;
1010
extern std::string g_errorPageContent;
1111
extern IHttpServer* g_pHttpServer;
1212

13+
//
14+
// Add support for certain HTTP/2.0 features like trailing headers
15+
// and GOAWAY or RST_STREAM frames.
16+
//
17+
18+
class __declspec(uuid("1a2acc57-cae2-4f28-b4ab-00c8f96b12ec"))
19+
IHttpResponse4 : public IHttpResponse3
20+
{
21+
public:
22+
virtual
23+
HRESULT
24+
DeleteTrailer(
25+
_In_ PCSTR pszHeaderName
26+
) = 0;
27+
28+
virtual
29+
PCSTR
30+
GetTrailer(
31+
_In_ PCSTR pszHeaderName,
32+
_Out_ USHORT* pcchHeaderValue = NULL
33+
) const = 0;
34+
35+
virtual
36+
VOID
37+
ResetStream(
38+
_In_ ULONG errorCode
39+
) = 0;
40+
41+
virtual
42+
VOID
43+
SetNeedGoAway(
44+
VOID
45+
) = 0;
46+
47+
virtual
48+
HRESULT
49+
SetTrailer(
50+
_In_ PCSTR pszHeaderName,
51+
_In_ PCSTR pszHeaderValue,
52+
_In_ USHORT cchHeaderValue,
53+
_In_ BOOL fReplace
54+
) = 0;
55+
};
56+
1357
//
1458
// Initialization export
1559
//
@@ -517,4 +561,32 @@ http_set_startup_error_page_content(_In_ byte* errorPageContent, int length)
517561
memcpy(&g_errorPageContent[0], errorPageContent, length);
518562
}
519563

564+
EXTERN_C __MIDL_DECLSPEC_DLLEXPORT
565+
HRESULT
566+
http_has_response4(
567+
_In_ IN_PROCESS_HANDLER* pInProcessHandler,
568+
_Out_ BOOL* supportsTrailers
569+
)
570+
{
571+
IHttpResponse4* pHttpResponse;
572+
573+
HRESULT hr = HttpGetExtendedInterface(g_pHttpServer, pInProcessHandler->QueryHttpContext()->GetResponse(), &pHttpResponse);
574+
*supportsTrailers = SUCCEEDED(hr);
575+
576+
return 0;
577+
}
578+
579+
EXTERN_C __MIDL_DECLSPEC_DLLEXPORT
580+
HRESULT
581+
http_response_set_trailer(
582+
_In_ IN_PROCESS_HANDLER* pInProcessHandler,
583+
_In_ PCSTR pszHeaderName,
584+
_In_ PCSTR pszHeaderValue,
585+
_In_ USHORT usHeaderValueLength,
586+
_In_ BOOL fReplace)
587+
{
588+
// always unknown
589+
IHttpResponse4* pHttpResponse = (IHttpResponse4*)pInProcessHandler->QueryHttpContext()->GetResponse();
590+
return pHttpResponse->SetTrailer(pszHeaderName, pszHeaderValue, usHeaderValueLength, fReplace);
591+
}
520592
// End of export

‎src/Servers/IIS/IIS/src/Core/IISHttpContext.FeatureCollection.cs

Lines changed: 19 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -32,7 +32,8 @@ internal partial class IISHttpContext : IFeatureCollection,
3232
IServerVariablesFeature,
3333
ITlsConnectionFeature,
3434
IHttpBodyControlFeature,
35-
IHttpMaxRequestBodySizeFeature
35+
IHttpMaxRequestBodySizeFeature,
36+
IHttpResponseTrailersFeature
3637
{
3738
// NOTE: When feature interfaces are added to or removed from this HttpProtocol implementation,
3839
// then the list of `implementedFeatures` in the generated code project MUST also be updated.
@@ -376,6 +377,23 @@ unsafe X509Certificate2 ITlsConnectionFeature.ClientCertificate
376377
}
377378
}
378379

380+
internal IHttpResponseTrailersFeature GetResponseTrailersFeature()
381+
{
382+
// Check version is above 2.
383+
if (HttpVersion >= System.Net.HttpVersion.Version20 && NativeMethods.HttpSupportTrailer(_pInProcessHandler))
384+
{
385+
return this;
386+
}
387+
388+
return null;
389+
}
390+
391+
IHeaderDictionary IHttpResponseTrailersFeature.Trailers
392+
{
393+
get => ResponseTrailers ??= HttpResponseTrailers;
394+
set => ResponseTrailers = value;
395+
}
396+
379397
void IHttpResponseBodyFeature.DisableBuffering()
380398
{
381399
NativeMethods.HttpDisableBuffering(_pInProcessHandler);

‎src/Servers/IIS/IIS/src/Core/IISHttpContext.Features.cs

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -28,6 +28,7 @@ internal partial class IISHttpContext
2828
private static readonly Type IISHttpContextType = typeof(IISHttpContext);
2929
private static readonly Type IServerVariablesFeature = typeof(global::Microsoft.AspNetCore.Http.Features.IServerVariablesFeature);
3030
private static readonly Type IHttpMaxRequestBodySizeFeature = typeof(global::Microsoft.AspNetCore.Http.Features.IHttpMaxRequestBodySizeFeature);
31+
private static readonly Type IHttpResponseTrailersFeature = typeof(global::Microsoft.AspNetCore.Http.Features.IHttpResponseTrailersFeature);
3132

3233
private object _currentIHttpRequestFeature;
3334
private object _currentIHttpResponseFeature;
@@ -48,6 +49,7 @@ internal partial class IISHttpContext
4849
private object _currentIHttpBodyControlFeature;
4950
private object _currentIServerVariablesFeature;
5051
private object _currentIHttpMaxRequestBodySizeFeature;
52+
private object _currentIHttpResponseTrailersFeature;
5153

5254
private void Initialize()
5355
{
@@ -63,6 +65,7 @@ private void Initialize()
6365
_currentIServerVariablesFeature = this;
6466
_currentIHttpMaxRequestBodySizeFeature = this;
6567
_currentITlsConnectionFeature = this;
68+
_currentIHttpResponseTrailersFeature = GetResponseTrailersFeature();
6669
}
6770

6871
internal object FastFeatureGet(Type key)
@@ -147,6 +150,10 @@ internal object FastFeatureGet(Type key)
147150
{
148151
return _currentIHttpMaxRequestBodySizeFeature;
149152
}
153+
if (key == IHttpResponseTrailersFeature)
154+
{
155+
return _currentIHttpResponseTrailersFeature;
156+
}
150157

151158
return ExtraFeatureGet(key);
152159
}
@@ -249,6 +256,10 @@ internal void FastFeatureSet(Type key, object feature)
249256
{
250257
_currentIHttpMaxRequestBodySizeFeature = feature;
251258
}
259+
if (key == IHttpResponseTrailersFeature)
260+
{
261+
_currentIHttpResponseTrailersFeature = feature;
262+
}
252263
if (key == IISHttpContextType)
253264
{
254265
throw new InvalidOperationException("Cannot set IISHttpContext in feature collection");
@@ -334,6 +345,10 @@ private IEnumerable<KeyValuePair<Type, object>> FastEnumerable()
334345
{
335346
yield return new KeyValuePair<Type, object>(IHttpMaxRequestBodySizeFeature, _currentIHttpMaxRequestBodySizeFeature as global::Microsoft.AspNetCore.Http.Features.IHttpMaxRequestBodySizeFeature);
336347
}
348+
if (_currentIHttpResponseTrailersFeature != null)
349+
{
350+
yield return new KeyValuePair<Type, object>(IHttpResponseTrailersFeature, _currentIHttpResponseTrailersFeature as global::Microsoft.AspNetCore.Http.Features.IHttpResponseTrailersFeature);
351+
}
337352

338353
if (MaybeExtra != null)
339354
{

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