Validate if User/Request is authenticated .net core

Question

I have implemented cookie authentication together with Novel ldap authentication in my .net core application. I have a login screen where the users enters their credentials and once authenticated it redirects them to Home page. On my Login layout page I want to have a logout link which logouts the user out of the application. Earlier in my .net mvc application I could do:

 @if (Request.IsAuthenticated)
 {
   <li><a href="#">Hello, @ViewData["FullName"] !</a></li>
   <li><a href="@Url.Action("Logout", "Account")">Log Out</a></li>
 }
 else
 {
   <li><a href="@Url.Action("Login", "Account")">Log In</a></li>
 }

All my authentication, redirects etc work fine but whats the equivalent of Request.IsAuthenticated in .net core or how can I check if the user is authenticated and show links etc accordingly.

Would appreciate inputs

Svek · Accepted Answer · 2017-10-25 15:24:27Z

2

I think what you are looking for is

User.Identity.IsAuthenticated

answered Oct 25, 2017 at 15:24

Svek

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2 Comments

aman Over a year ago

this does not work. Does not throw any errors but simply does not show the logout link.

Quark Soup Over a year ago

This works after the user is authenticated, which makes it pretty useless. When your token cache has valid tokens, it incorrectly tells you that you're not authenticated.

aman · Accepted Answer · 2017-10-25 17:02:12Z

2

What svek shared above should work. Debug to see if you are authenticating properly, you are setting up your cookies fine.

Specifically for .net core this should work.

 @if (User.Identity.IsAuthenticated)
 {
   <a asp-area="" asp-controller="YouController" asp-action="YourAction">Logout</a>
 }

answered Oct 25, 2017 at 17:02

aman

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Comments

Steffen · Accepted Answer · 2024-05-23 06:15:45Z

0

The current MVC templates are using

@using Microsoft.AspNetCore.Identity
@inject SignInManager<IdentityUser> SignInManager
@inject UserManager<IdentityUser> UserManager

...

if (SignInManager.IsSignedIn(User))
{
 <li class="nav-item">
   <a class="nav-link text-dark" asp-area="" asp-controller="Teams" 
    asp-action="Index">Teams</a>
 </li>
 <li class="nav-item">
   <a class="nav-link text-dark" asp-area="" asp-controller="Match" 
    asp-action="Index">Spiele</a>
 </li>
}

edited May 23, 2024 at 6:15

answered May 21, 2024 at 9:57

Steffen

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1 Comment

Community Over a year ago

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