public override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (!GoogleCaptchaConfiguration.EnableInDebuggingMode)
{
if (HttpContext.Current.IsDebuggingEnabled)
{
return;
}
}
var response = GetResponseKey(filterContext, "g-recaptcha-response");
var client = new GoogleCaptchaClient();
var secretkey = GoogleCaptchaConfiguration.Secretkey ?? CaptchException.ThrowSecretkeyNotInitilized();
var validationKey = GoogleCaptchaConfiguration.ValidationInputName;
var validationMessage = GoogleCaptchaConfiguration.ValidationMessage;
if (!client.IsAcceptAsync(response, secretkey).GetAwaiter().GetResult())
{
filterContext.Controller.ViewData.ModelState.AddModelError(validationKey, validationMessage);
filterContext.Result = new ViewResult
{
ViewName = filterContext.ActionDescriptor.ActionName,
ViewData = filterContext.Controller.ViewData,
TempData = filterContext.Controller.TempData
};
}
base.OnActionExecuting(filterContext);
}
public static MvcHtmlString RenderCaptcha(this HtmlHelper helper, string sitekey = null)
{
var validationInputName = GoogleCaptchaConfiguration.ValidationInputName;
var captchaTag = new TagBuilder("div");
var htmlString = new StringBuilder();
var hiddenInput = helper.Hidden(validationInputName);
if (helper.ViewData.ModelState[validationInputName] != null &&
helper.ViewData.ModelState[validationInputName].Errors.Any())
{
var validationInput = helper.ValidationMessage(validationInputName);
htmlString.AppendLine(validationInput.ToHtmlString());
}
captchaTag.Attributes.Add("class", "g-recaptcha");
captchaTag.Attributes.Add("data-sitekey", sitekey ?? GoogleCaptchaConfiguration.Sitekey ?? CaptchException.ThrowSiteKeyNotInitialized());
captchaTag.Attributes.Add("data-theme", GoogleCaptchaConfiguration.Theme.ToString().ToLower());
captchaTag.Attributes.Add("data-callback", GoogleCaptchaConfiguration.ResponseCallback);
htmlString.AppendLine(captchaTag.ToString());
htmlString.AppendLine(hiddenInput.ToHtmlString());
return(MvcHtmlString.Create(htmlString.ToString()));
}
