google recaptcha

GoogleService.cs

   public class RecaptchaResponse
   {

       [JsonProperty("success")]
       public bool Success { get; set; }

       [JsonProperty("error-codes")]
       public List<string> ErrorCodes { get; set; }

   }
   
    public class GoogleService
 {

     private readonly AppSettings _appSettings;

     public GoogleService(AppSettings appSettings)
     {
         _appSettings = appSettings;
     }

     public async Task<bool> VerifyCaptcha(string token)
     {
         if (!_appSettings.Config.ReadyProduction)
         {
             return true;
         }

         if (string.IsNullOrWhiteSpace(token))
         {
             return false;
         }

         var client = new HttpClient();
         var response = await client.GetAsync($"https://www.google.com/recaptcha/api/siteverify?secret={_appSettings.RecaptchaSecret}&response={token}");

         if (!response.IsSuccessStatusCode)
         {
             return false;
         }

         var json = await response.Content.ReadAsStringAsync();
         var result = JsonConvert.DeserializeObject<RecaptchaResponse>(json);

         return result.Success;
     }

 }