How to use Authorize filter in ASP.NET CORE

February 19 2022 by Admin

In this article, we will explain how to use Authorize filter in ASP.NET CORE . Here we are using AuthenticationScheme to Controller authorize.

In this article, we will explain how to use Authorize filter in ASP.NET CORE . Here we are using AuthenticationScheme to Controller authorize . We have taken login page and Dashboard page for this activity first user login after that user can access dashboard page without login user can not access dashboard page.

Required Namespaces

We will need to use the following namespaces.

using System.Security.Claims;

using Microsoft.AspNetCore.Authentication.Cookies;

using Microsoft.AspNetCore.Authentication;

using Microsoft.AspNetCore.Http;

LoginController

we have created login controller and we are assigning UserName value in claims.

public class LoginController : Controller

{

public IActionResult Index()

{

return View();

}

[HttpPost]

public IActionResult Index(LoginModel loginModel)

{

var claims = new List<Claim>

{ new Claim("UserName" ,loginModel.UserName)};

var claimsIdentity = new ClaimsIdentity(

claims, CookieAuthenticationDefaults.AuthenticationScheme);

var authProperties = new AuthenticationProperties

{

IsPersistent = true,

RedirectUri = "/index"

};

HttpContext.SignInAsync(

CookieAuthenticationDefaults.AuthenticationScheme,

new ClaimsPrincipal(claimsIdentity),

authProperties);

CookieOptions option = new CookieOptions();

option.Expires = DateTime.Now.AddDays(1);

Response.Cookies.Append("UserName", $"{loginModel?.UserName}", option);

return RedirectToAction("Index", "Dashboard");

}

Index.Cshtml

We have created login html page you can see below.

@model Articles.Models.LoginModel

}

<head>

<title>User Login </title>

</head>

<label class="control-label visible-ie8 visible-ie9">Username</label>

</div>

<label class="control-label visible-ie8 visible-ie9">Password</label>

</div>

<button type="submit" class="btn green uppercase" asp-action="Index" asp-controller="Login">Login</button>

</div>

</form>

</div>

</body>

</html>

DashboardController

We have created Dashboard page without login can't access because we are using AuthenticationSchemes.

[Authorize(AuthenticationSchemes = CookieAuthenticationDefaults.AuthenticationScheme)]

public class Dashboard : Controller

{

public IActionResult Index()

{

if (User.Identity.IsAuthenticated)

{

return Redirect("~/Dashboard/HomePage");

}

return Redirect("/Login/index");

}

public IActionResult HomePage()

{

return View();

}

HomePage.Cshtml

We have created HomePage

}

Startup.cs

We have added AddAuthentication service inside ConfigureServices in method .

public class Startup

{

public Startup(IConfiguration configuration)

{

Configuration = configuration;

}

public IConfiguration Configuration { get; }

// This method gets called by the runtime. Use this method to add services to the container.

public void ConfigureServices(IServiceCollection services)

{

services.AddMvc();

services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)

.AddCookie(options =>

{

options.LoginPath = "/Login/index";

options.Cookie.Path = "/";

options.Cookie.HttpOnly = true;

options.ExpireTimeSpan = TimeSpan.FromMinutes(1);

options.SlidingExpiration = true;

});

}

// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.

public void Configure(IApplicationBuilder app, IHostingEnvironment env)

{

if (env.IsDevelopment())

{

app.UseDeveloperExceptionPage();

}

else

{

app.UseExceptionHandler("/Home/Error");

}

app.UseStaticFiles();

app.UseMvc(routes =>

{

routes.MapRoute(

name: "default",

template: "{controller=Login}/{action=Index}/{id?}");

});

}

Authorize Filter

Home > MVC > How to use Authorize filter in ASP.NET CORE

How to use Authorize filter in ASP.NET CORE

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Home > MVC > How to use Authorize filter in ASP.NET CORE

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Leave a Reply Comment:* Please your Comment ! Email ID:* Enter Your Email Id ! Enter Your Validate Email Id ! Name:* Enter your Name !

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