public override void OnActionExecuting(ActionExecutingContext filterContext)
{
BrandcaptchaValidator validator = new BrandcaptchaValidator();
validator.PrivateKey = BrandcaptchaControlMvc.PrivateKey;
validator.RemoteIP = filterContext.HttpContext.Request.UserHostAddress;
validator.Challenge = filterContext.HttpContext.Request.Form[CHALLENGE_FIELD_KEY];
validator.Response = filterContext.HttpContext.Request.Form[RESPONSE_FIELD_KEY];
validator.Proxy = proxy;
if (string.IsNullOrEmpty(validator.Challenge))
{
this._brandcaptchaResponse = BrandcaptchaResponse.InvalidChallenge;
}
else if (string.IsNullOrEmpty(validator.Response))
{
this._brandcaptchaResponse = BrandcaptchaResponse.InvalidResponse;
}
else
{
this._brandcaptchaResponse = validator.Validate();
}
// this will push the result values into a parameter in our Action
filterContext.ActionParameters["captchaValid"] = this._brandcaptchaResponse.IsValid;
filterContext.ActionParameters["captchaErrorMessage"] = this._brandcaptchaResponse.ErrorMessage;
base.OnActionExecuting(filterContext);
}
/// <summary>
/// Perform validation of Brancaptcha.
/// </summary>
public void Validate()
{
if (Page.IsPostBack && Visible && Enabled)
{
if (this._brandcaptchaResponse == null)
{
if (Visible && Enabled)
{
BrandcaptchaValidator validator = new BrandcaptchaValidator();
validator.PrivateKey = this.PrivateKey;
validator.RemoteIP = Page.Request.UserHostAddress;
validator.Challenge = Context.Request.Form[BRANDCAPTCHA_CHALLENGE_FIELD];
validator.Response = Context.Request.Form[BRANDCAPTCHA_RESPONSE_FIELD];
validator.Proxy = this.proxy;
if (validator.Challenge == null)
{
this._brandcaptchaResponse = BrandcaptchaResponse.InvalidChallenge;
}
else if (validator.Response == null)
{
this._brandcaptchaResponse = BrandcaptchaResponse.InvalidResponse;
}
else
{
this._brandcaptchaResponse = validator.Validate();
}
}
}
}
else
{
this._brandcaptchaResponse = BrandcaptchaResponse.Valid;
}
}