/// <summary>
/// Renders an invisible reCAPTCHA
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <typeparam name="TProperty"></typeparam>
/// <param name="helper"></param>
/// <param name="expression"></param>
/// <param name="action"></param>
/// <returns></returns>
public static IHtmlString InvisibleRecaptchaFor <TModel, TProperty>(this HtmlHelper <TModel> helper,
Expression <Func <TModel, TProperty> > expression,
string action = null)
{
var sb = new StringBuilder();
var apiKey = RecaptchaSettings.TryGetKey();
sb.Append($@"<script src=""~/Scripts/recaptcha/loader.js""></script>");
sb.Append($@"<script type=""text/javascript"">
grecaptcha.ready(function() {{onRecaptchaLoad('{apiKey}', '{helper.IdFor(expression)}'); }});
</script>");
sb.Append($@"
{helper.HiddenFor(expression, new
{
data_action = action,
data_recaptcha = "",
})}
");
return(MvcHtmlString.Create(sb.ToString()));
}
/// <summary>
/// Injects the script tag to render reCAPTCHA on the site
/// </summary>
/// <param name="helper"></param>
/// <param name="key"></param>
/// <returns></returns>
public static IHtmlString RenderRecaptchaLib(this HtmlHelper helper, string key = null)
{
var apiKey = key ?? RecaptchaSettings.TryGetKey();
return(MvcHtmlString.Create($@"<script src=""https://www.google.com/recaptcha/api.js?render={apiKey}""></script>"));
}
private RecaptchaScriptElement(InvisibleRecaptchaOptions options)
{
mApiKey = RecaptchaSettings.TryGetKey();
mAction = options.Action;
}