xIdentityModels/Providers/XDefaultUserRoleHelper.cs

using System.Linq;
using xCommons.Extensions;
using xIdentityModels.Models;
using xIdentityModels.Interfaces;

namespace xIdentityModels.Providers {
    public class XDefaultUserRoleHelper : IXUserRoleHelper {
        public bool canReadCriticalData (XUserClaimsInfoDto userInfo) {
            return isInRole (userInfo, "admin");
        }

        public bool canDoDangerousAction (XUserClaimsInfoDto userInfo) {
            return isInRole (userInfo, "admin");
        }

        public bool isInRole (XUserClaimsInfoDto userInfo, string role) {
            return userInfo.Roles
                .Any (r =>
                    r.ToNormalString () == role.ToNormalString ()
                );
        }
    }
}