public RecaptchaHtmlHelper(string publicKey, string hl, CaptchaTheme theme, CaptchaType type, string callback, string expiredCallback)
{
PublicKey = RecaptchaKeyHelper.ParseKey(publicKey);
Hl = hl;
Theme = theme;
Type = type;
Callback = callback;
ExpiredCallback = expiredCallback;
if (string.IsNullOrEmpty(publicKey))
{
throw new InvalidOperationException("Public key cannot be null or empty.");
}
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
RecaptchaResponse recaptchaResponse = new RecaptchaValidator()
{
PrivateKey = string.IsNullOrWhiteSpace(PrivateKey) ? RecaptchaKeyHelper.ParseKey("[reCaptchaPrivateKey]") : PrivateKey,
RemoteIP = filterContext.HttpContext.Request.UserHostAddress,
Response = filterContext.HttpContext.Request.Form["g-recaptcha-response"]
}.Validate();
if (!recaptchaResponse.IsValid)
{
((Controller)filterContext.Controller).ModelState.AddModelError("ReCaptcha", GetErrorMessage(recaptchaResponse.ErrorCode));
}
filterContext.ActionParameters["captchaValid"] = recaptchaResponse.IsValid;
base.OnActionExecuting(filterContext);
}