public override async Task <ClaimsIdentity> CreateIdentityAsync(User user, string authenticationType)
{
var claims = await base.CreateIdentityAsync(user, authenticationType);
var permissions = await _permissionStore.GetUserPermissions(user.Id);
foreach (var permission in permissions)
{
claims.AddClaim(new Claim("Permission", permission.Type.ToString()));
}
return(claims);
}