/// <summary>
/// Determines whether the captcha is valid, and write error message if need.
/// </summary>
/// <param name="controllerBase">
/// The specified <see cref="ControllerBase" />.
/// </param>
/// <param name="errorText">The specified error message.</param>
/// <param name="parameters">The specified parameters, if any.</param>
/// <returns>
/// <c>True</c> if the captcha is valid; otherwise, <c>false</c>.
/// </returns>
public static bool IsCaptchaValid(this ControllerBase controllerBase, string errorText,
params ParameterModel[] parameters)
{
List <ParameterModel> list = CaptchaUtils.GetParameters(parameters);
list.Add(new ParameterModel(DefaultCaptchaManager.ErrorAttribute, errorText));
return(CaptchaUtils.ValidateCaptcha(controllerBase, list));
}
/// <summary>
/// Called by the ASP.NET MVC framework before the action method executes.
/// </summary>
/// <param name="filterContext">The filter context.</param>
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
CaptchaUtils.ValidateCaptcha(filterContext.Controller, new[]
{
new ParameterModel(
DefaultCaptchaManager.ErrorAttribute,
GetErrorMessage())
});
}