Add Request Decompression middleware

AspNetCore.sln

@@ -1654,6 +1654,14 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Compon
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Components.SdkAnalyzers.Tests", "src\Tools\SDK-Analyzers\Components\test\Microsoft.AspNetCore.Components.SdkAnalyzers.Tests.csproj", "{DC349A25-0DBF-4468-99E1-B95C22D3A7EF}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "RequestDecompression", "RequestDecompression", "{5465F96F-33D5-454E-9C40-494E58AEEE5D}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.RequestDecompression.Tests", "src\Middleware\RequestDecompression\test\Microsoft.AspNetCore.RequestDecompression.Tests.csproj", "{97996D39-7722-4AFC-A41A-AD61CA7A413D}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RequestDecompressionSample", "src\Middleware\RequestDecompression\sample\RequestDecompressionSample.csproj", "{37144E52-611B-40E8-807C-2821F5A814CB}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.RequestDecompression", "src\Middleware\RequestDecompression\src\Microsoft.AspNetCore.RequestDecompression.csproj", "{559FE354-7E08-4310-B4F3-AE30F34DEED5}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "LinkabilityChecker", "LinkabilityChecker", "{94F95276-7CDF-44A8-B159-D09702EF6794}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LinkabilityChecker", "src\Tools\LinkabilityChecker\LinkabilityChecker.csproj", "{EA7D844B-C180-41C7-9D55-273AD88BF71F}"
@@ -1710,6 +1718,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Html.A
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "RateLimiting", "RateLimiting", "{1D865E78-7A66-4CA9-92EE-2B350E45281F}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.RequestDecompression.Microbenchmarks", "src\Middleware\RequestDecompression\perf\Microbenchmarks\Microsoft.AspNetCore.RequestDecompression.Microbenchmarks.csproj", "{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -9959,6 +9969,54 @@ Global
 		{DC349A25-0DBF-4468-99E1-B95C22D3A7EF}.Release|x64.Build.0 = Release|Any CPU
 		{DC349A25-0DBF-4468-99E1-B95C22D3A7EF}.Release|x86.ActiveCfg = Release|Any CPU
 		{DC349A25-0DBF-4468-99E1-B95C22D3A7EF}.Release|x86.Build.0 = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|arm64.Build.0 = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|x64.Build.0 = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Debug|x86.Build.0 = Debug|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|arm64.ActiveCfg = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|arm64.Build.0 = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|x64.ActiveCfg = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|x64.Build.0 = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|x86.ActiveCfg = Release|Any CPU
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D}.Release|x86.Build.0 = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|arm64.Build.0 = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|x64.Build.0 = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Debug|x86.Build.0 = Debug|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|arm64.ActiveCfg = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|arm64.Build.0 = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|x64.ActiveCfg = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|x64.Build.0 = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|x86.ActiveCfg = Release|Any CPU
+		{37144E52-611B-40E8-807C-2821F5A814CB}.Release|x86.Build.0 = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|arm64.Build.0 = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|x64.Build.0 = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Debug|x86.Build.0 = Debug|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|arm64.ActiveCfg = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|arm64.Build.0 = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|x64.ActiveCfg = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|x64.Build.0 = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|x86.ActiveCfg = Release|Any CPU
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5}.Release|x86.Build.0 = Release|Any CPU
 		{EA7D844B-C180-41C7-9D55-273AD88BF71F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{EA7D844B-C180-41C7-9D55-273AD88BF71F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{EA7D844B-C180-41C7-9D55-273AD88BF71F}.Debug|arm64.ActiveCfg = Debug|Any CPU
@@ -10247,6 +10305,22 @@ Global
 		{487EF7BE-5009-4C70-B79E-45519BDD9603}.Release|x64.Build.0 = Release|Any CPU
 		{487EF7BE-5009-4C70-B79E-45519BDD9603}.Release|x86.ActiveCfg = Release|Any CPU
 		{487EF7BE-5009-4C70-B79E-45519BDD9603}.Release|x86.Build.0 = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|arm64.Build.0 = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|x64.Build.0 = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Debug|x86.Build.0 = Debug|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|arm64.ActiveCfg = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|arm64.Build.0 = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|x64.ActiveCfg = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|x64.Build.0 = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|x86.ActiveCfg = Release|Any CPU
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -11066,6 +11140,10 @@ Global
 		{CC45FA2D-128B-485D-BA6D-DFD9735CB3C3} = {6C06163A-80E9-49C1-817C-B391852BA563}
 		{825BCF97-67A9-4834-B3A8-C3DC97A90E41} = {CC45FA2D-128B-485D-BA6D-DFD9735CB3C3}
 		{DC349A25-0DBF-4468-99E1-B95C22D3A7EF} = {CC45FA2D-128B-485D-BA6D-DFD9735CB3C3}
+		{5465F96F-33D5-454E-9C40-494E58AEEE5D} = {E5963C9F-20A6-4385-B364-814D2581FADF}
+		{97996D39-7722-4AFC-A41A-AD61CA7A413D} = {5465F96F-33D5-454E-9C40-494E58AEEE5D}
+		{37144E52-611B-40E8-807C-2821F5A814CB} = {5465F96F-33D5-454E-9C40-494E58AEEE5D}
+		{559FE354-7E08-4310-B4F3-AE30F34DEED5} = {5465F96F-33D5-454E-9C40-494E58AEEE5D}
 		{94F95276-7CDF-44A8-B159-D09702EF6794} = {0B200A66-B809-4ED3-A790-CB1C2E80975E}
 		{EA7D844B-C180-41C7-9D55-273AD88BF71F} = {94F95276-7CDF-44A8-B159-D09702EF6794}
 		{7A331A1C-E2C4-4E37-B0A0-B5AA10661229} = {8DAC59BE-CB96-4F04-909C-56C22E7665EB}
@@ -11094,6 +11172,7 @@ Global
 		{51D07AA9-6297-4F66-A7BD-71CE7E3F4A3F} = {0F84F170-57D0-496B-8E2C-7984178EF69F}
 		{487EF7BE-5009-4C70-B79E-45519BDD9603} = {412D4C15-F48F-4DB1-940A-131D1AA87088}
 		{1D865E78-7A66-4CA9-92EE-2B350E45281F} = {E5963C9F-20A6-4385-B364-814D2581FADF}
+		{3309FA1E-4E95-49E9-BE2A-827D01FD63C0} = {5465F96F-33D5-454E-9C40-494E58AEEE5D}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {3E8720B3-DBDD-498C-B383-2CC32A054E8F}

eng/ProjectReferences.props

@@ -90,6 +90,7 @@
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Localization" ProjectPath="$(RepoRoot)src\Middleware\Localization\src\Microsoft.AspNetCore.Localization.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.MiddlewareAnalysis" ProjectPath="$(RepoRoot)src\Middleware\MiddlewareAnalysis\src\Microsoft.AspNetCore.MiddlewareAnalysis.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.RateLimiting" ProjectPath="$(RepoRoot)src\Middleware\RateLimiting\src\Microsoft.AspNetCore.RateLimiting.csproj" />
+    <ProjectReferenceProvider Include="Microsoft.AspNetCore.RequestDecompression" ProjectPath="$(RepoRoot)src\Middleware\RequestDecompression\src\Microsoft.AspNetCore.RequestDecompression.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.ResponseCaching.Abstractions" ProjectPath="$(RepoRoot)src\Middleware\ResponseCaching.Abstractions\src\Microsoft.AspNetCore.ResponseCaching.Abstractions.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.ResponseCaching" ProjectPath="$(RepoRoot)src\Middleware\ResponseCaching\src\Microsoft.AspNetCore.ResponseCaching.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.ResponseCompression" ProjectPath="$(RepoRoot)src\Middleware\ResponseCompression\src\Microsoft.AspNetCore.ResponseCompression.csproj" />

eng/SharedFramework.Local.props

@@ -77,6 +77,7 @@
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.HttpsPolicy" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.Localization.Routing" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.Localization" />
+    <AspNetCoreAppReference Include="Microsoft.AspNetCore.RequestDecompression" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.ResponseCaching.Abstractions" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.ResponseCaching" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.ResponseCompression" />

src/Framework/test/TestData.cs

@@ -75,6 +75,7 @@ static TestData()
                 "Microsoft.AspNetCore.Mvc.ViewFeatures",
                 "Microsoft.AspNetCore.Razor",
                 "Microsoft.AspNetCore.Razor.Runtime",
+                "Microsoft.AspNetCore.RequestDecompression",
                 "Microsoft.AspNetCore.ResponseCaching",
                 "Microsoft.AspNetCore.ResponseCaching.Abstractions",
                 "Microsoft.AspNetCore.ResponseCompression",
@@ -210,6 +211,7 @@ static TestData()
                 { "Microsoft.AspNetCore.Mvc.ViewFeatures", "7.0.0.0" },
                 { "Microsoft.AspNetCore.Razor", "7.0.0.0" },
                 { "Microsoft.AspNetCore.Razor.Runtime", "7.0.0.0" },
+                { "Microsoft.AspNetCore.RequestDecompression", "7.0.0.0" },
                 { "Microsoft.AspNetCore.ResponseCaching", "7.0.0.0" },
                 { "Microsoft.AspNetCore.ResponseCaching.Abstractions", "7.0.0.0" },
                 { "Microsoft.AspNetCore.ResponseCompression", "7.0.0.0" },

src/Http/Http.Abstractions/src/Metadata/IRequestSizeLimitMetadata.cs

@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Microsoft.AspNetCore.Http.Metadata;
+
+/// <summary>
+/// Interface marking attributes that specify the maximum allowed size of the request body.
+/// </summary>
+public interface IRequestSizeLimitMetadata
+{
+    /// <summary>
+    /// The maximum allowed size of the current request body in bytes.
+    /// </summary>
+    long? MaxRequestBodySize { get; }
+}

src/Http/Http.Abstractions/src/PublicAPI.Unshipped.txt

@@ -12,6 +12,8 @@ Microsoft.AspNetCore.Http.EndpointMetadataCollection.GetRequiredMetadata<T>() ->
 Microsoft.AspNetCore.Http.IRouteHandlerFilter.InvokeAsync(Microsoft.AspNetCore.Http.RouteHandlerInvocationContext! context, Microsoft.AspNetCore.Http.RouteHandlerFilterDelegate! next) -> System.Threading.Tasks.ValueTask<object?>
 Microsoft.AspNetCore.Http.Metadata.IFromFormMetadata
 Microsoft.AspNetCore.Http.Metadata.IFromFormMetadata.Name.get -> string?
+Microsoft.AspNetCore.Http.Metadata.IRequestSizeLimitMetadata
+Microsoft.AspNetCore.Http.Metadata.IRequestSizeLimitMetadata.MaxRequestBodySize.get -> long?
 Microsoft.AspNetCore.Http.RouteHandlerContext
 Microsoft.AspNetCore.Http.RouteHandlerContext.EndpointMetadata.get -> Microsoft.AspNetCore.Http.EndpointMetadataCollection!
 Microsoft.AspNetCore.Http.RouteHandlerContext.MethodInfo.get -> System.Reflection.MethodInfo!

src/Middleware/Middleware.slnf

@@ -78,6 +78,10 @@
       "src\\Middleware\\MiddlewareAnalysis\\test\\Microsoft.AspNetCore.MiddlewareAnalysis.Tests.csproj",
       "src\\Middleware\\RateLimiting\\src\\Microsoft.AspNetCore.RateLimiting.csproj",
       "src\\Middleware\\RateLimiting\\test\\Microsoft.AspNetCore.RateLimiting.Tests.csproj",
+      "src\\Middleware\\RequestDecompression\\perf\\Microbenchmarks\\Microsoft.AspNetCore.RequestDecompression.Microbenchmarks.csproj",
+      "src\\Middleware\\RequestDecompression\\sample\\RequestDecompressionSample.csproj",
+      "src\\Middleware\\RequestDecompression\\src\\Microsoft.AspNetCore.RequestDecompression.csproj",
+      "src\\Middleware\\RequestDecompression\\test\\Microsoft.AspNetCore.RequestDecompression.Tests.csproj",
       "src\\Middleware\\ResponseCaching.Abstractions\\src\\Microsoft.AspNetCore.ResponseCaching.Abstractions.csproj",
       "src\\Middleware\\ResponseCaching\\samples\\ResponseCachingSample\\ResponseCachingSample.csproj",
       "src\\Middleware\\ResponseCaching\\src\\Microsoft.AspNetCore.ResponseCaching.csproj",
@@ -117,4 +121,4 @@
       "src\\Servers\\Kestrel\\Transport.Sockets\\src\\Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj"
     ]
   }
-}
+}

src/Middleware/RequestDecompression/perf/Microbenchmarks/AssemblyInfo.cs

@@ -0,0 +1,4 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+[assembly: BenchmarkDotNet.Attributes.AspNetCoreBenchmark]

src/Middleware/RequestDecompression/perf/Microbenchmarks/Microsoft.AspNetCore.RequestDecompression.Microbenchmarks.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Reference Include="BenchmarkDotNet" />
+    <Reference Include="Microsoft.AspNetCore.RequestDecompression" />
+
+    <Compile Include="$(SharedSourceRoot)BenchmarkRunner\*.cs" />
+  </ItemGroup>
+
+</Project>

src/Middleware/RequestDecompression/perf/Microbenchmarks/RequestDecompressionMiddlewareBenchmark.cs

@@ -0,0 +1,92 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using BenchmarkDotNet.Attributes;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Features;
+using Microsoft.AspNetCore.Http.Metadata;
+using Microsoft.Extensions.Logging.Abstractions;
+using Microsoft.Extensions.Options;
+
+namespace Microsoft.AspNetCore.RequestDecompression.Benchmarks;
+
+public class RequestDecompressionMiddlewareBenchmark
+{
+    private RequestDecompressionMiddleware _middleware;
+
+    [GlobalSetup]
+    public void GlobalSetup()
+    {
+        var requestDecompressionProvider = new DefaultRequestDecompressionProvider(
+            NullLogger<DefaultRequestDecompressionProvider>.Instance,
+            Options.Create(new RequestDecompressionOptions())
+        );
+
+        _middleware = new RequestDecompressionMiddleware(
+            context => Task.CompletedTask,
+            NullLogger<RequestDecompressionMiddleware>.Instance,
+            requestDecompressionProvider
+        );
+    }
+
+    [Params(true, false)]
+    public bool HasRequestSizeLimitMetadata { get; set; }
+
+    [Benchmark]
+    public async Task HandleRequest_Compressed()
+    {
+        var context = CreateHttpContext(HasRequestSizeLimitMetadata);
+
+        context.Request.Headers.ContentEncoding = "gzip";
+
+        await _middleware.Invoke(context);
+    }
+
+    [Benchmark]
+    public async Task HandleRequest_Uncompressed()
+    {
+        var context = CreateHttpContext(HasRequestSizeLimitMetadata);
+
+        await _middleware.Invoke(context);
+    }
+
+    private static DefaultHttpContext CreateHttpContext(bool hasRequestSizeLimitMetadata)
+    {
+        var features = new FeatureCollection();
+        features.Set<IHttpRequestFeature>(new HttpRequestFeature());
+        features.Set<IHttpResponseFeature>(new HttpResponseFeature());
+        features.Set<IHttpMaxRequestBodySizeFeature>(new MaxRequestBodySizeFeature());
+        features.Set<IEndpointFeature>(new EndpointFeature(hasRequestSizeLimitMetadata));
+        var context = new DefaultHttpContext(features);
+        return context;
+    }
+
+    private sealed class MaxRequestBodySizeFeature : IHttpMaxRequestBodySizeFeature
+    {
+        public bool IsReadOnly => false;
+
+        public long? MaxRequestBodySize { get; set; } = 30_000_000;
+    }
+
+    private sealed class EndpointFeature : IEndpointFeature
+    {
+        public Endpoint Endpoint { get; set; }
+
+        public EndpointFeature(bool hasRequestSizeLimitMetadata)
+        {
+            var metadataCollection = hasRequestSizeLimitMetadata
+                ? new EndpointMetadataCollection(new SizeLimitMetadata())
+                : new EndpointMetadataCollection();
+
+            Endpoint = new Endpoint(
+                requestDelegate: null,
+                metadata: metadataCollection,
+                displayName: null);
+        }
+    }
+
+    private sealed class SizeLimitMetadata : IRequestSizeLimitMetadata
+    {
+        public long? MaxRequestBodySize { get; set; } = 50_000_000;
+    }
+}

src/Middleware/RequestDecompression/sample/CustomDecompressionProvider.cs

@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Microsoft.AspNetCore.RequestDecompression;
+
+namespace RequestDecompressionSample;
+
+public class CustomDecompressionProvider : IDecompressionProvider
+{
+    public Stream GetDecompressionStream(Stream stream)
+    {
+        // Create a custom decompression stream wrapper here.
+        return stream;
+    }
+}

src/Middleware/RequestDecompression/sample/Properties/launchsettings.json

@@ -0,0 +1,27 @@
+{
+    "iisSettings": {
+      "windowsAuthentication": false,
+      "anonymousAuthentication": true,
+      "iisExpress": {
+        "applicationUrl": "http://localhost:6164/",
+        "sslPort": 0
+      }
+    },
+    "profiles": {
+      "RequestDecompressionSample": {
+        "commandName": "Project",
+        "launchBrowser": true,
+        "launchUrl": "http://localhost:5000/",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
+      "IIS Express": {
+        "commandName": "IISExpress",
+        "launchBrowser": true,
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      }
+    }
+  }