string GetValueForClaimRequest(RequestClaim requestClaim, WebUser webUser)
 {
     switch (requestClaim.ClaimType)
     {
         case Security.ClaimTypes.Name:
             return webUser.Username;
         case Security.ClaimTypes.EMail:
             return webUser.EMail;
         case Security.ClaimTypes.Role:
             return webUser.Role;
         default:
             throw new FailedRequiredClaimsException(requestClaim.ClaimType);
     }
 }
 void AuthenticateUser(WebUser webUser)
 {
     FormsAuthentication.SetAuthCookie(webUser.Username, false);
 }