private void FormValidate(object sender, FormValidationEventArgs e)
{
LogHelper.Info <UmbracoFormsEvents>("FormValidate with ReCaptcha Running...");
var matchingFields = e.Form.AllFields.Where(f => f.FieldType.Name.Contains("GoogleReCaptcha")).ToList();
if (!matchingFields.Any())
{
return;
}
var reCaptchaField = matchingFields.FirstOrDefault();
var httpContext = HttpContext.Current;
var secretKey = Umbraco.Forms.Core.Configuration.GetSetting("RecaptchaPrivateKey");
if (secretKey == "")
{
LogHelper.Warn <UmbracoFormsEvents>("ERROR: ReCaptcha v.2 is missing the Secret Key - Please update the '/app_plugins/umbracoforms/umbracoforms.config' to include 'key=\"RecaptchaPrivateKey\"'");
}
else
{
var reCaptchaResponse = httpContext.Request["g-recaptcha-response"];
var url = string.Format("https://www.google.com/recaptcha/api/siteverify?secret={0}&response={1}", secretKey, reCaptchaResponse);
var isSuccess = false;
var errorCodes = new List <string>();
using (var client = new WebClient())
{
var response = client.DownloadString(url);
var responseParsed = JObject.Parse(response);
//Get Success Status
JToken sucessToken;
var sucessFound = responseParsed.TryGetValue("success", out sucessToken);
if (sucessFound)
{
isSuccess = sucessToken.Value <bool>();
}
//Get Error codes
JToken errorsToken;
var errorsFound = responseParsed.TryGetValue("error-codes", out errorsToken);
if (errorsFound)
{
var errorsChildren = errorsToken.Children();
errorCodes.AddRange(errorsChildren.Select(child => child.Value <string>()));
}
else
{
errorCodes.Add("unknown-error");
}
}
if (isSuccess)
{
return;
}
var controller = sender as Controller;
var compiledErrors = ",";
foreach (var code in errorCodes)
{
compiledErrors += ", " + code;
}
compiledErrors = compiledErrors.Replace(",,", "");
//Add errors to Form Model
var errorMsg = string.Format("Recaptcha Verification Failed: {0}", compiledErrors);
if (reCaptchaField != null)
{
if (controller != null)
{
controller.ModelState.AddModelError(reCaptchaField.Id.ToString(), errorMsg);
}
}
}
}
private void RecaptchaValidate(object sender, FormValidationEventArgs e)
{
LogHelper.Info <UmbracoEvents>("FormValidate with ReCaptcha Running...");
Field reCaptchaField = e.Form.AllFields.FirstOrDefault(f => f.FieldType.Id == new Guid(EnmFieldTypeId.PerplexRecaptcha.Description()));
if (reCaptchaField == null)
{
return;
}
var httpContext = HttpContext.Current;
var secretKey = Umbraco.Forms.Core.Configuration.GetSetting("RecaptchaPrivateKey");
if (string.IsNullOrEmpty(secretKey))
{
LogHelper.Warn <UmbracoEvents>("ERROR: ReCaptcha v.2 is missing the Secret Key - Please update the '/app_plugins/umbracoforms/umbracoforms.config' to include 'key=\"RecaptchaPrivateKey\"'");
return;
}
var reCaptchaResponse = httpContext.Request["g-recaptcha-response"];
var url =
$"https://www.google.com/recaptcha/api/siteverify?secret={secretKey}&response={reCaptchaResponse}";
var isSuccess = false;
var errorCodes = new List <string>();
using (var client = new WebClient())
{
var response = client.DownloadString(url);
var responseParsed = JObject.Parse(response);
//Get Success Status
JToken sucessToken;
var sucessFound = responseParsed.TryGetValue("success", out sucessToken);
if (sucessFound)
{
isSuccess = sucessToken.Value <bool>();
}
//Get Error codes
JToken errorsToken;
var errorsFound = responseParsed.TryGetValue("error-codes", out errorsToken);
if (errorsFound)
{
var errorsChildren = errorsToken.Children();
errorCodes.AddRange(errorsChildren.Select(child => child.Value <string>()));
}
else
{
errorCodes.Add("unknown-error");
}
}
if (isSuccess)
{
return;
}
// DK | 2016-11-04
// Original code below reads actual error codes from Recaptcha.
// We should look into this in the future if we may want to display
// specific errors. For now, we use the configured error message
// from the field itself or our settings configuration file.
// Commented out for the time being.
/*
* var compiledErrors = ",";
* foreach (var code in errorCodes)
* {
* //TODO: Use Dictionary Keys to return error message text
* compiledErrors += ", " + code;
* }
* compiledErrors = compiledErrors.Replace(",,", "");
* var errorMsg = $"Recaptcha Verification Failed: {compiledErrors}";
*/
// Add errors to Form Model
var controller = sender as Controller;
if (controller == null)
{
return;
}
// Get configured error message, either from the specific form or otherwise
// the globally configured one
string errorMsg = GetSettingValue(
reCaptchaField,
nameof(PerplexRecaptcha.ErrorMessage),
PerplexUmbracoFormsConfig.Get.PerplexRecaptchConfig.ErrorMessage
);
controller.ModelState.AddModelError(reCaptchaField.Id.ToString(), errorMsg);
}
