/// <summary>
/// Method to generate captcha
/// </summary>
public void GenerateCaptcha()
{
try
{
CaptchaHandler.GenerateCaptcha(200, 40, 5);
}
catch (Exception ex)
{
throw;
};
}
public override string GetVaryByCustomString(HttpContext context, string custom)
{
var key = CaptchaHandler.GetVaryByCustomString(context, custom);
if (key != null)
{
return(key);
}
var secure = Request.IsSchemeHttps() && custom.In(VaryByCustomNames.VaryByScheme)
? "s" : null;
var user = custom.In(VaryByCustomNames.VaryByUser)
? string.Concat(custom, context.User.Identity.Name) : null;
return(string.Concat(secure, user));
}
