public ActionResult Index(IndexViewModel model, EasyGCaptchaResult easyGCaptchaResult)
{
if (easyGCaptchaResult.Success)
{
// Do your work here
}
model.EasyGCaptchaResult = easyGCaptchaResult;
return(View(model));
}
///// <summary>
///// The EasyGCaptchaSettings-Object
///// </summary>
//public EasyGCaptchaSettings EasyGCaptchaSettings { get; set; } = null;
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
string userIP = string.Empty;
if (GCaptchaSettingsProvider.Instance.PassRemoteIpToGoogle)
{
userIP = filterContext.RequestContext.HttpContext.Request.UserHostAddress;
}
string postData = string.Format("&secret={0}&response={1}&remoteip={2}",
GCaptchaSettingsProvider.Instance.PrivateKey,
filterContext.RequestContext.HttpContext.Request.Form["g-recaptcha-response"],
userIP);
byte[] postDataAsBytes = Encoding.UTF8.GetBytes(postData);
// Create web request
WebRequest request;
Stream dataStream;
try
{
request = WebRequest.Create("https://www.google.com/recaptcha/api/siteverify");
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postDataAsBytes.Length;
dataStream = request.GetRequestStream();
dataStream.Write(postDataAsBytes, 0, postDataAsBytes.Length);
dataStream.Close();
}
catch (Exception)
{
if (GCaptchaSettingsProvider.Instance.DisableExceptions)
{
((Controller)filterContext.Controller).ModelState.AddModelError("EasyGCaptchaMVC", "Error on webrequest");
filterContext.ActionParameters["easyGCaptchaResult"] = new EasyGCaptchaResult();
return;
}
else
{
throw;
}
}
// Get the response
string responseFromServer;
try
{
WebResponse response = request.GetResponse();
using (dataStream = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(dataStream))
{
responseFromServer = reader.ReadToEnd();
}
}
}
catch (Exception)
{
if (GCaptchaSettingsProvider.Instance.DisableExceptions)
{
((Controller)filterContext.Controller).ModelState.AddModelError("EasyGCaptchaMVC", "Error on parsing webrequest");
filterContext.ActionParameters["easyGCaptchaResult"] = new EasyGCaptchaResult();
return;
}
else
{
throw;
}
}
EasyGCaptchaResult result = JsonConvert.DeserializeObject <EasyGCaptchaResult>(responseFromServer);
if (filterContext.ActionParameters.ContainsKey("easyGCaptchaResult"))
{
filterContext.ActionParameters["easyGCaptchaResult"] = result;
}
else
{
throw new MissingActionParameterException("Action have to contan a parameter of type EasyGCaptchaResult with name easyGCaptchaResult");
}
if (!result.Success)
{
((Controller)filterContext.Controller).ModelState.AddModelError("EasyGCaptchaMVC", "Captcha incorrect");
}
}
public IndexViewModel()
{
ContactViewModel = new ContactViewModel();
EasyGCaptchaResult = new EasyGCaptchaResult();
}
