public async Task<HttpResponseMessage> Login(LoginParameters parameters, [FromUri]string returnUrl)
{
    //same validations
    var response = Request.CreateResponse(HttpStatusCode.Moved);

    response.Headers.Location = new Uri("Http://www.google.com");

    return response;
}

'user strict'
var login = function ($scope, $http) {

    var parameters = {
        userName: userName,
        password: password
    };

    var url = '/api/user/Login';

    $http.post(url, parameters);
        .then(function(response){
            /*some random code that i will remove */
        });
};

login.$inject = ['$scope', '$http'];
module.exports = login;