asp.net identity get all roles of logged in user

Question

I created a role based menu for which I followed this tutorial. Some where down that page you'll see this line of code:

String[] roles = Roles.GetRolesForUser();

It returns all roles of the currently logged in user. I was wondering how to accomplish this with the new ASP.NET Identity system?

It's still pretty new and there is not much to find about it.

Answer 1

Controller.User.Identity is a ClaimsIdentity. You can get a list of roles by inspecting the claims...

var roles = ((ClaimsIdentity)User.Identity).Claims
                .Where(c => c.Type == ClaimTypes.Role)
                .Select(c => c.Value);

--- update ---

Breaking it down a bit more...

using System.Security.Claims;

// ........

var userIdentity = (ClaimsIdentity)User.Identity;
var claims = userIdentity.Claims;
var roleClaimType = userIdentity.RoleClaimType;
var roles = claims.Where(c => c.Type == ClaimTypes.Role).ToList();

// or...
var roles = claims.Where(c => c.Type == roleClaimType).ToList();