AudioCaptcha

This is a simple to use Audio Captcha made for ASP.NET MVC

Requirements

• jquery
• bootstrap
• SessionState must be enabled (default is)
• Copying 'libmp3lame.32.dll' and 'libmp3lame.32.dll' in bin project (included in nuget package)

Instructions:

• Add a reference to 'Pigi.Captcha.dll' to your project. or install using nuget package manager :

  Install-Package Pigi.Captcha.Mvc

• add

  using Pigi.Captcha

  namespace to top of global.asax.cs Add Captcha httphandlers to route table by calling this method.

  RouteTable.Routes.AddPigiCaptchaHandlers();
      

  ***Note*** call to this method should be before calling to

  RouteConfig.RegisterRoutes(RouteTable.Routes);

• Make sure that you added packages 'NAudio' and 'NAudio.Lame' to your project and see if these two dlls are included in bin folder : 'libmp3lame.64.dll' 'libmp3lame.32.dll' They are used for audio compression purpose.
• Add

  @using Pigi.Captcha

  to the top of your view.cshtml
• Add this helper method to generate Audio Captcha.

  @Html.Captcha(new CaptchaSettings { Id = "c1" })

  you can also customize more by setting 'CaptchaSettings' object properties, like image size, captcha style, enabling captcha user input...
• And then verify captcha in an action like this

  [HttpPost]
          public ActionResult Index(string c1)
          {
              var isCaptcha1Valid = CaptchaManager.ValidateCurrentCaptcha("c1", c1);
          ViewBag.c1 = isCaptcha1Valid;
          return View();
      }