BLun.ETagMiddleware 1.2.2

ETag Middleware for Asp.Net Core MVC6 for .NetStandard 2.0

Install-Package BLun.ETagMiddleware -Version 1.2.2
dotnet add package BLun.ETagMiddleware --version 1.2.2
<PackageReference Include="BLun.ETagMiddleware" Version="1.2.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add BLun.ETagMiddleware --version 1.2.2
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

ETagMiddleware

ETag Middleware for Asp.Net Core -.NetStandard 2.0
Is supports Caching with Http Request Header 'If-None-Match' with Http Respons Header 'ETag' and set the HttpStatus tu 304. Http Request Header 'Cache-Controle' with 'no-cache' is integrated and would set the HttpStatus to 200.

Inspiration

I was inspired by Mads Kristensen
Blog. The Example from him, can you find here as
code.
Thanks for your artikle!

Requirements

.NETStandard2.0

Install

Download from Nuget.org

"dependencies": {
  "BLun.ETagMiddleware": "<version>"
}

Featurs

  • BLun.ETagMiddleware for Asp.Net Core Http
    • Microsoft.AspNetCore.Http.IMiddleware
  • BLun.ETagAttribute for Asp.Net Core Mvc
    • Microsoft.AspNetCore.Mvc.Filters.IAsyncActionFilter
  • Supports
    • Microsoft.Extensions.Logging
    • Microsoft.Extensions.DependencyInjection
    • Microsoft.Extensions.Options (Configuration)

Usage as Middleware (Microsoft.AspNetCore.Http.IMiddleware)

The default usage are:

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Required
    // Add a Middleware for each Controller Request with
    // algorithmus          = SHA1      = default
    // etag validator       = Strong    = default
    // body content length  = 40 * 1024 = default
    services.AddETag();
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();
    
    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important for performance
    app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

You can configuratione your own option prameters:

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Required
    // Add ETagOption with own global configurations
    services.AddETag(new ETagOption()
    {
        // algorithmus
        // SHA1         = default
        // SHA265
        // SHA384
        // SHA512
        // MD5
        ETagAlgorithm = ETagAlgorithm.SHA265,

        // etag validator
        // Strong       = default
        // Weak
        ETagValidator = ETagValidator.Weak,

        // body content length
        // 40 * 1024    = default
        BodyMaxLength = 20 * 1024
    });
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();
    
    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important
    app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

Usage as ETagAttribute (Microsoft.AspNetCore.Mvc.Filters.IAsyncActionFilter)

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Add ETagOption with own global configurations
    services.AddETag(new ETagOption()
    {
        // algorithmus
        // SHA1         = default
        // SHA265
        // SHA384
        // SHA512
        // MD5
        ETagAlgorithm = ETagAlgorithm.SHA265,

        // etag validator
        // Strong       = default
        // Weak
        ETagValidator = ETagValidator.Weak,

        // body content length
        // 40 * 1024    = default
        BodyMaxLength = 20 * 1024
    });
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();

    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important
    // deactivate or combine with Middlewar
    // the EtagAttributes didn't need the Middleware
    // app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

// Can add on controller
[ETag()]
public class HomeController : Controller
{
    
    public IActionResult Index()
    {
        return View();
    }

    // Can add on methods
    [ETag(ETagValidator = ETagValidator.Weak)]
    public IActionResult About()
    {
        ViewData["Message"] = "Your application description page.";

        return View();
    }

    [ETag(ETagValidator = ETagValidator.Strong, BodyMaxLength = 30 * 1024, ETagAlgorithm = ETagAlgorithm.SHA384)]
    public IActionResult Contact()
    {
        ViewData["Message"] = "Your contact page.";

        return View();
    }

    public IActionResult Error()
    {
        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
}

Unittested

The Code is unittestet.

Vision

I would develope muche more test for it.

ETagMiddleware

ETag Middleware for Asp.Net Core -.NetStandard 2.0
Is supports Caching with Http Request Header 'If-None-Match' with Http Respons Header 'ETag' and set the HttpStatus tu 304. Http Request Header 'Cache-Controle' with 'no-cache' is integrated and would set the HttpStatus to 200.

Inspiration

I was inspired by Mads Kristensen
Blog. The Example from him, can you find here as
code.
Thanks for your artikle!

Requirements

.NETStandard2.0

Install

Download from Nuget.org

"dependencies": {
  "BLun.ETagMiddleware": "<version>"
}

Featurs

  • BLun.ETagMiddleware for Asp.Net Core Http
    • Microsoft.AspNetCore.Http.IMiddleware
  • BLun.ETagAttribute for Asp.Net Core Mvc
    • Microsoft.AspNetCore.Mvc.Filters.IAsyncActionFilter
  • Supports
    • Microsoft.Extensions.Logging
    • Microsoft.Extensions.DependencyInjection
    • Microsoft.Extensions.Options (Configuration)

Usage as Middleware (Microsoft.AspNetCore.Http.IMiddleware)

The default usage are:

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Required
    // Add a Middleware for each Controller Request with
    // algorithmus          = SHA1      = default
    // etag validator       = Strong    = default
    // body content length  = 40 * 1024 = default
    services.AddETag();
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();
    
    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important for performance
    app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

You can configuratione your own option prameters:

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Required
    // Add ETagOption with own global configurations
    services.AddETag(new ETagOption()
    {
        // algorithmus
        // SHA1         = default
        // SHA265
        // SHA384
        // SHA512
        // MD5
        ETagAlgorithm = ETagAlgorithm.SHA265,

        // etag validator
        // Strong       = default
        // Weak
        ETagValidator = ETagValidator.Weak,

        // body content length
        // 40 * 1024    = default
        BodyMaxLength = 20 * 1024
    });
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();
    
    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important
    app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

Usage as ETagAttribute (Microsoft.AspNetCore.Mvc.Filters.IAsyncActionFilter)

using BLun.ETagMiddleware;

// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();

    // Add ETagOption with own global configurations
    services.AddETag(new ETagOption()
    {
        // algorithmus
        // SHA1         = default
        // SHA265
        // SHA384
        // SHA512
        // MD5
        ETagAlgorithm = ETagAlgorithm.SHA265,

        // etag validator
        // Strong       = default
        // Weak
        ETagValidator = ETagValidator.Weak,

        // body content length
        // 40 * 1024    = default
        BodyMaxLength = 20 * 1024
    });
}

// Add "app.UseETag();" to "Configure" method in Startup.cs
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    app.UseStaticFiles();

    // Add a Middleware for each Controller Request
    // Atention: add app.UseETag after app.UseStaticFiles, the order is important
    // deactivate or combine with Middlewar
    // the EtagAttributes didn't need the Middleware
    // app.UseETag();

    app.UseMvc(routes =>
    {
        routes.MapRoute(
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");
    });
}

// Can add on controller
[ETag()]
public class HomeController : Controller
{
    
    public IActionResult Index()
    {
        return View();
    }

    // Can add on methods
    [ETag(ETagValidator = ETagValidator.Weak)]
    public IActionResult About()
    {
        ViewData["Message"] = "Your application description page.";

        return View();
    }

    [ETag(ETagValidator = ETagValidator.Strong, BodyMaxLength = 30 * 1024, ETagAlgorithm = ETagAlgorithm.SHA384)]
    public IActionResult Contact()
    {
        ViewData["Message"] = "Your contact page.";

        return View();
    }

    public IActionResult Error()
    {
        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
}

Unittested

The Code is unittestet.

Vision

I would develope muche more test for it.

Release Notes

Is supports Caching with Http Request Header 'If-None-Match' with Http Respons Header 'ETag' and set the HttpStatus tu 304. Http Request Header 'Cache-Controle' with 'no-cache' is integrated and would set the HttpStatus to 200.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version History

Version Downloads Last updated
1.2.2 794 2/11/2018
1.2.1 458 2/2/2018
1.2.0 420 2/1/2018