/// <summary>
/// Create partial captcha
/// </summary>
/// <param name="requestContext"></param>
/// <param name="length"></param>
/// <returns></returns>
internal static RefreshModel GeneratePartialCaptcha(RequestContext requestContext, int length)
{
var encryptorModel = GetEncryptorModel();
var captchaText = RandomText.Generate(length);
var encryptText = GetEncryption().Encrypt(captchaText, encryptorModel.Password, encryptorModel.Salt);
var urlHelper = new UrlHelper(requestContext);
var url = urlHelper.Action("Create", "CaptchaImage", new { encryptText });
return(new RefreshModel()
{
Code = encryptText, Image = url
});
}
/// <summary>
/// Create full captcha
/// </summary>
/// <param name="htmlHelper"></param>
/// <param name="text"></param>
/// <param name="inputText"></param>
/// <param name="length"></param>
/// <returns></returns>
internal static MvcHtmlString GenerateFullCaptcha(HtmlHelper htmlHelper, string text, string inputText, int length)
{
var encryptorModel = GetEncryptorModel();
var captchaText = RandomText.Generate(length);
var encryptText = GetEncryption().Encrypt(captchaText, encryptorModel.Password, encryptorModel.Salt);
var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);
var url = urlHelper.Action("Create", "CaptchaImage", new { encryptText });
var ajax = new AjaxHelper(htmlHelper.ViewContext, htmlHelper.ViewDataContainer);
var refresh = ajax.ActionLink(text, "NewCaptcha", "CaptchaImage", new { l = length },
new AjaxOptions {
UpdateTargetId = "CaptchaDeText", OnSuccess = "Success"
});
string tgs = "<div style=\"float: left; margin-top: 5px;\">" + refresh.ToHtmlString() + " <br/>" + inputText + "<br/>" +
htmlHelper.TextBox("CaptchaInputText", "", new { data_val_required = "*", data_val = "true", data_val_length_min = "5", data_val_length_max = "5", data_val_length = "*" }) +
htmlHelper.ValidationMessage("CaptchaInputText") + "</div>";
return(MvcHtmlString.Create(tgs + string.Format(CaptchaFormat, url, htmlHelper.Hidden("CaptchaDeText", encryptText))));
}