Drop .NET Core 2.1 to fix Azure dependency security issue

.github/workflows/build-and-test.yml

@@ -27,18 +27,6 @@ jobs:
             framework: net6.0
             runtime: -x64
             codecov: true
-          - os: ubuntu-latest
-            framework: net5.0
-            runtime: -x64
-            codecov: false
-          - os: macos-latest
-            framework: net5.0
-            runtime: -x64
-            codecov: false
-          - os: windows-latest
-            framework: net5.0
-            runtime: -x64
-            codecov: false
           - os: ubuntu-latest
             framework: netcoreapp3.1
             runtime: -x64
@@ -51,10 +39,6 @@ jobs:
             framework: netcoreapp3.1
             runtime: -x64
             codecov: false
-          - os: windows-latest
-            framework: netcoreapp2.1
-            runtime: -x64
-            codecov: false
 
     runs-on: ${{matrix.options.os}}
 
@@ -129,9 +113,7 @@ jobs:
         with:
           dotnet-version: |
             6.0.x
-            5.0.x
             3.1.x
-            2.1.x
 
       - name: DotNet Build
         shell: pwsh

src/ImageSharp.Web.Providers.AWS/ImageSharp.Web.Providers.AWS.csproj

@@ -16,12 +16,12 @@
   <Choose>
     <When Condition="$(SIXLABORS_TESTING) == true">
       <PropertyGroup>
-        <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>net6.0;netcoreapp3.1</TargetFrameworks>
       </PropertyGroup>
     </When>
     <Otherwise>
       <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
       </PropertyGroup>
     </Otherwise>
   </Choose>

src/ImageSharp.Web.Providers.Azure/ImageSharp.Web.Providers.Azure.csproj

@@ -16,12 +16,12 @@
   <Choose>
     <When Condition="$(SIXLABORS_TESTING) == true">
       <PropertyGroup>
-        <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>net6.0;netcoreapp3.1</TargetFrameworks>
       </PropertyGroup>
     </When>
     <Otherwise>
       <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
       </PropertyGroup>
     </Otherwise>
   </Choose>
@@ -31,8 +31,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <!--TODO: Do not upgrade this. Last Version that supports .NET Core 2.1-->
-    <PackageReference Include="Azure.Storage.Blobs" Version="12.10.0" />
+    <PackageReference Include="Azure.Storage.Blobs" Version="12.13.0" />
   </ItemGroup>
 
   <ItemGroup>

src/ImageSharp.Web/Caching/PhysicalFileSystemCache.cs

@@ -40,11 +40,7 @@ public class PhysicalFileSystemCache : IImageCache
         /// <param name="formatUtilities">Contains various format helper methods based on the current configuration.</param>
         public PhysicalFileSystemCache(
             IOptions<PhysicalFileSystemCacheOptions> options,
-#if NETCOREAPP2_1
-            IHostingEnvironment environment,
-#else
             IWebHostEnvironment environment,
-#endif
             FormatUtilities formatUtilities)
         {
             Guard.NotNull(options, nameof(options));

src/ImageSharp.Web/ImageSharp.Web.csproj

@@ -16,12 +16,12 @@
   <Choose>
     <When Condition="$(SIXLABORS_TESTING) == true">
       <PropertyGroup>
-        <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>net6.0;netcoreapp3.1;</TargetFrameworks>
       </PropertyGroup>
     </When>
     <Otherwise>
       <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+        <TargetFrameworks>netcoreapp3.1;</TargetFrameworks>
       </PropertyGroup>
     </Otherwise>
   </Choose>
@@ -30,22 +30,8 @@
     <None Include="..\..\shared-infrastructure\branding\icons\imagesharp.web\sixlabors.imagesharp.web.128.png" Pack="true" PackagePath="" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'netcoreapp2.1'">
-    <FrameworkReference Include="Microsoft.AspNetCore.App" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" />
-    <PackageReference Include="Microsoft.AspNetCore.Http" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" />
-    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" />
-    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
-    <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" />
-  </ItemGroup>
-
   <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" Version="2.2.0" />
     <PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
   </ItemGroup>

src/ImageSharp.Web/ImageSharpRequestAuthorizationUtilities.cs

@@ -6,11 +6,6 @@
 using System.Globalization;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
-
-#if !NETCOREAPP3_0_OR_GREATER
-using Microsoft.AspNetCore.Http.Internal;
-#endif
-
 using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Options;
 using SixLabors.ImageSharp.Web.Commands;

src/ImageSharp.Web/Middleware/ImageSharpMiddleware.cs

@@ -449,19 +449,7 @@ private ValueTask StreamDisposeAsync(Stream stream)
                 return default;
             }
 
-#if NETCOREAPP2_1
-            try
-            {
-                stream.Dispose();
-                return default;
-            }
-            catch (Exception ex)
-            {
-                return new ValueTask(Task.FromException(ex));
-            }
-#else
             return stream.DisposeAsync();
-#endif
         }
 
         private async Task<ImageWorkerResult> IsNewOrUpdatedAsync(

src/ImageSharp.Web/Providers/PhysicalFileSystemProvider.cs

@@ -22,11 +22,7 @@ public sealed class PhysicalFileSystemProvider : FileProviderImageProvider
         /// <param name="formatUtilities">Contains various format helper methods based on the current configuration.</param>
         public PhysicalFileSystemProvider(
             IOptions<PhysicalFileSystemProviderOptions> options,
-#if NETCOREAPP2_1
-            IHostingEnvironment environment,
-#else
             IWebHostEnvironment environment,
-#endif
             FormatUtilities formatUtilities)
             : base(GetProvider(options, environment), options.Value.ProcessingBehavior, formatUtilities)
         {
@@ -58,11 +54,7 @@ internal static string GetProviderRoot(PhysicalFileSystemProviderOptions options
 
         private static PhysicalFileProvider GetProvider(
             IOptions<PhysicalFileSystemProviderOptions> options,
-#if NETCOREAPP2_1
-            IHostingEnvironment environment)
-#else
             IWebHostEnvironment environment)
-#endif
         {
             Guard.NotNull(options, nameof(options));
             Guard.NotNull(environment, nameof(environment));

src/ImageSharp.Web/Providers/WebRootImageProvider.cs

@@ -16,11 +16,7 @@ public sealed class WebRootImageProvider : FileProviderImageProvider
         /// <param name="environment">The web hosting environment.</param>
         /// <param name="formatUtilities">Contains various format helper methods based on the current configuration.</param>
         public WebRootImageProvider(
-#if NETCOREAPP2_1
-            IHostingEnvironment environment,
-#else
             IWebHostEnvironment environment,
-#endif
             FormatUtilities formatUtilities)
             : base(environment.WebRootFileProvider, ProcessingBehavior.CommandOnly, formatUtilities)
         {

src/ImageSharp.Web/Synchronization/RefCountedConcurrentDictionary.cs

@@ -229,10 +229,8 @@ public RefCountedValue(TValue value, int refCount)
             public bool Equals(
 #if NET5_0_OR_GREATER
                 RefCountedValue? other)
-#elif NETCOREAPP3_1_OR_GREATER
-                [System.Diagnostics.CodeAnalysis.AllowNull] RefCountedValue other)
 #else
-                RefCountedValue other)
+                [System.Diagnostics.CodeAnalysis.AllowNull] RefCountedValue other)
 #endif
                 => (other != null) && (this.RefCount == other.RefCount) && EqualityComparer<TValue>.Default.Equals(this.Value, other.Value);
 

tests/ImageSharp.Web.Benchmarks/ImageSharp.Web.Benchmarks.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netcoreapp3.1</TargetFrameworks>
     <AssemblyName>ImageSharp.Web.Benchmarks</AssemblyName>
     <RootNamespace>SixLabors.ImageSharp.Web.Benchmarks</RootNamespace>
     <GenerateProgramFile>false</GenerateProgramFile>
@@ -14,8 +14,4 @@
     <PackageReference Include="BenchmarkDotNet"/>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.AspNetCore.Http"/>
-  </ItemGroup>
-
 </Project>

tests/ImageSharp.Web.Tests/ImageSharp.Web.Tests.csproj

@@ -3,15 +3,10 @@
   <PropertyGroup>
     <RootNamespace>SixLabors.ImageSharp.Web.Tests</RootNamespace>
     <AssemblyName>SixLabors.ImageSharp.Web.Tests</AssemblyName>
-    <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.AspNetCore.Http" />
+  <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.TestHost" />
   </ItemGroup>
 

tests/ImageSharp.Web.Tests/TestUtilities/AWSS3StorageImageProviderFactory.cs

@@ -70,11 +70,7 @@ private static async Task InitializeAWSStorageAsync(IServiceProvider services, A
                 }
             }
 
-#if NETCOREAPP2_1
-            IHostingEnvironment environment = services.GetRequiredService<IHostingEnvironment>();
-#else
             IWebHostEnvironment environment = services.GetRequiredService<IWebHostEnvironment>();
-#endif
 
             try
             {

tests/ImageSharp.Web.Tests/TestUtilities/AzureBlobStorageImageProviderFactory.cs

@@ -33,11 +33,7 @@ private static void InitializeAzureStorage(IServiceProvider services, AzureBlobS
             var container = new BlobContainerClient(containerOptions.ConnectionString, containerOptions.ContainerName);
             container.CreateIfNotExists(PublicAccessType.Blob);
 
-#if NETCOREAPP2_1
-            IHostingEnvironment environment = services.GetRequiredService<IHostingEnvironment>();
-#else
             IWebHostEnvironment environment = services.GetRequiredService<IWebHostEnvironment>();
-#endif
 
             BlobClient blob = container.GetBlobClient(TestConstants.ImagePath);