private string GetResumeUrlFromPartialSignInCookie(HttpResponseMessage resp)
{
var cookie = resp.GetCookies().Where(x=>x.Name == Constants.PartialSignInAuthenticationType).Single();
var ticket = ticketFormatter.Unprotect(cookie.Value);
var urlClaim = ticket.Identity.Claims.Single(x => x.Type == Constants.ClaimTypes.PartialLoginReturnUrl);
return urlClaim.Value;
}
