public async Task <bool> IsCaptchaValidAsync()
{
if (!(_validatorService.HasRequestValidCaptchaEntry(Language.English, DisplayMode.ShowDigits)))
{
// If the user has a captcha cookie.
if (_cookieManager.HasCookie(CookieKeys.ValidateCaptchaCookie))
{
bool validToken = await _validTokens.DoesTokenExistAsync(_cookieManager.CookieValue(CookieKeys.ValidateCaptchaCookie));
if (!validToken)
{
// Has a Cached Cookie but an invalid Hash.
return(false);
}
// Valid Cookie with a Valid Hash (Cache Hit)
return(true);
}
else
{
// No Cached Cookie & Wrong Captcha Code.
return(false);
}
}
await _validTokens.CleanUpUnusedTokensAsync();
// Captcha completed successfully by user.
return(true);
}
public async Task <bool> TokenValidAsync(string userId)
{
if (await _context.TwoFactorTokens.FirstOrDefaultAsync(u => u.UserId.Equals(userId)) == null || !_cookies.HasCookie(CookieKeys.TwoFactorAuthorizeCookie))
{
return(false);
}
if (GoliathHash.ValidateStringSHA256(_cookies.CookieValue(CookieKeys.TwoFactorAuthorizeCookie)))
{
if (GoliathHash.HashStringSHA256((await _context.TwoFactorTokens.FirstOrDefaultAsync(u => u.UserId.Equals(userId))).AuthorizeToken).Equals(_cookies.CookieValue(CookieKeys.TwoFactorAuthorizeCookie)))
{
return(true);
}
}
return(false);
}