Martín Martín - 6 days ago 5
ASP.NET (C#) Question

Update Claims values in ASP.NET One Core

I have a Web Application in MVC 6 (Asp.Net One Core), and I'm using Claims based authentication. In the Login method I set the Claims:

var claims = new Claim[]
{
new Claim("Name", content.Name),
new Claim("Email", content.Email),
new Claim("RoleId", content.RoleId.ToString()),
};

var ci = new ClaimsIdentity(claims, "password");
await HttpContext.Authentication.SignInAsync("Cookies", new ClaimsPrincipal(ci));


Now, if the user for example changes the email in the user profile, how can I change the e-mail value for the "Email" Claim? I have to SignOutAsync and SignInAsync again in order to update the cookie? The best solution is to save this into a classic session? There is a better solution? I'm totally wrong?

Any suggestions?

Win Win
Answer

I have to SignOutAsync and SignInAsync again in order to update the cookie?

Answer is yes.

Easiest way is you can manually sign-out and sign-in (create claims again) inside the same action method where you are updating the email.

The best solution is to save this into a classic session?

I suggest not to do that. Using session state explicitly is a bad practice in ASP.Net MVC.

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