private bool isValidCookie(HttpContext httpContext, string decryptedText, string?cookieToken)
{
if (string.IsNullOrEmpty(cookieToken))
{
_logger.LogDebug("CaptchaHiddenTokenName is empty.");
return(false);
}
cookieToken = _captchaProtectionProvider.Decrypt(cookieToken);
if (string.IsNullOrEmpty(cookieToken))
{
_logger.LogDebug("CaptchaHiddenTokenName is invalid.");
return(false);
}
var cookieValue = _captchaStorageProvider.GetValue(httpContext, cookieToken);
if (string.IsNullOrWhiteSpace(cookieValue))
{
_logger.LogDebug("isValidCookie:: cookieValue IsNullOrWhiteSpace.");
return(false);
}
var areEqual = cookieValue.Equals(decryptedText, StringComparison.Ordinal);
if (!areEqual)
{
_logger.LogDebug($"isValidCookie:: {cookieValue} != {decryptedText}");
}
_captchaStorageProvider.Remove(httpContext, cookieToken);
return(areEqual);
}
private bool isValidCookie(HttpContext httpContext, string decryptedText, string cookieToken)
{
if (string.IsNullOrEmpty(cookieToken))
{
_logger.LogInformation("CaptchaHiddenTokenName is empty.");
return(false);
}
cookieToken = _captchaProtectionProvider.Decrypt(cookieToken);
if (string.IsNullOrEmpty(cookieToken))
{
_logger.LogInformation("CaptchaHiddenTokenName is invalid.");
return(false);
}
var cookieValue = _captchaStorageProvider.GetValue(httpContext, cookieToken);
if (string.IsNullOrWhiteSpace(cookieValue))
{
_logger.LogInformation("isValidCookie:: cookieValue IsNullOrWhiteSpace.");
return(false);
}
var result = cookieValue.Equals(decryptedText);
if (!result)
{
_logger.LogInformation($"isValidCookie:: {cookieValue} != {decryptedText}");
}
return(result);
}
public bool VerifyCaptcha(string name, string value)
{
if (!_captchaOptions.Enable)
{
return(true);
}
var isValid = false;
if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(value))
{
//validate request
var captchaText = _captchaStorageProvider.GetValue(_httpContextAccessor.HttpContext, name);
if (value.Equals(captchaText, StringComparison.OrdinalIgnoreCase))
{
isValid = true;
Remove(name);
}
}
return(isValid);
}
