public ActionResult Index()
{
var gateway = new Gateway.Gateway();
var req = System.Web.HttpContext.Current.Request;
// After the customer as responded to the ACS server, it returns the user
// to the URL we provide, which includes acs=1 as a GET variable.
// This code renames all the submitted form inputs, and also breaks out of the frame.
// (In dynamic languages, this is effectively `responseCode = POST`. In C# we can
// use string manipulation instead.
if (req.QueryString.AllKeys.Contains("acs"))
{
var fields = new Dictionary <string, string>();
foreach (var formItem in req.Form.AllKeys)
{
fields.Add("threeDSResponse[" + formItem + "]", req.Form[formItem]);
}
ViewBag.GatewayHtml = SilentPost(req.Url.AbsoluteUri.Replace("acs=1", ""), fields, "_parent");
return(View());
}
if (req.HttpMethod == "GET")
{
// Only the first request to this page/controller is a GET, that means this
// must be the first request made.
// The first step is to collect the customer's browser data. The SDK provides
// a helper form for this purpose.
ViewBag.GatewayHtml = gateway.CollectBrowserInfo(null, GetEnvironmentData());
}
else
{
// If any of the POST form keys start with threeDSResponse we have had a
// response from the ACS server (after it has been wrapped by the section
// of code above.)
if (AnyKeyStartsWith(req.Form, "threeDSResponse"))
{
var fields = new Dictionary <string, string>
{
{ "action", "SALE" }
};
foreach (string item in req.Form)
{
if (item.StartsWith("threeDSResponse"))
{
fields.Add(item, req.Form[item]);
}
}
fields.Add("threeDSRef", threeDSRef);
// Send the threeDSresponse to the server, along with threeDSRef previously stored.
// The request will generally look like:
// threeDSResponse[AnyKeyFromACS] => value from the ACS
// threeDSRef => threeDSRef previously sent by the gateway.
// action => SALE
// MerchantID => 100856
ViewBag.GatewayHtml = ProcessResponseFields(gateway.DirectRequest(fields, null));
}
else // We don't have a threeDSResponse, but this is a POST request.
{ // This is the first request send to the Gateway, which may then request the user
// be redirected to the ACS server.
var remoteAddress = req.UserHostAddress;
if (remoteAddress == "::1")
{
// In development environments we often see the IPv6 localhost address.
// The Gateway requires an IPv4 address.
remoteAddress = "8.8.8.8";
}
// Please note that this value MUST be HTTPS.
// In development, this may be achieved using Apache as a reverse proxy and
// changing this value.
var thisUrl = req.Url.AbsoluteUri;
var requestFields = GetInitialForm(thisUrl, remoteAddress);
foreach (string item in req.Form)
{
if (item.StartsWith("browserInfo["))
{
// remove the browserInfo[ and the trailing ]
requestFields.Add(item.Substring(12, item.Length - 13), req.Form[item]);
}
}
ViewBag.GatewayHtml = ProcessResponseFields(gateway.DirectRequest(requestFields, null));
}
}
return(View());
}
public void Setup()
{
gateway = new Gateway("1", "pass");
}
