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Filename : u2f.js
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/* global u2f */ // js/vendor/u2f-api-polyfill.js

AJAX.registerOnload('u2f.js', function () {
  var $inputReg = $('#u2f_registration_response');
  if ($inputReg.length > 0) {
    var $formReg = $inputReg.parents('form');
    $formReg.find('input[type=submit]').hide();
    setTimeout(function () {
      // A magic JS function that talks to the USB device. This function will keep polling for the USB device until it finds one.
      var request = JSON.parse($inputReg.attr('data-request'));
      u2f.register(request.appId, [request], JSON.parse($inputReg.attr('data-signatures')), function (data) {
        // Handle returning error data
        if (data.errorCode && data.errorCode !== 0) {
          switch (data.errorCode) {
            case 5:
              Functions.ajaxShowMessage(Messages.strU2FTimeout, false, 'error');
              break;
            case 4:
              Functions.ajaxShowMessage(Messages.strU2FErrorRegister, false, 'error');
              break;
            case 3:
              Functions.ajaxShowMessage(Messages.strU2FInvalidClient, false, 'error');
              break;
            case 2:
              Functions.ajaxShowMessage(Messages.strU2FBadRequest, false, 'error');
              break;
            default:
              Functions.ajaxShowMessage(Messages.strU2FUnknown, false, 'error');
              break;
          }
          return;
        }

        // Fill and submit form.
        $inputReg.val(JSON.stringify(data));
        $formReg.trigger('submit');
      });
    }, 1000);
  }
  var $inputAuth = $('#u2f_authentication_response');
  if ($inputAuth.length > 0) {
    var $formAuth = $inputAuth.parents('form');
    $formAuth.find('input[type=submit]').hide();
    setTimeout(function () {
      // Magic JavaScript talking to your HID
      // appid, challenge, authenticateRequests
      var request = JSON.parse($inputAuth.attr('data-request'));
      u2f.sign(request[0].appId, request[0].challenge, request, function (data) {
        // Handle returning error data
        if (data.errorCode && data.errorCode !== 0) {
          switch (data.errorCode) {
            case 5:
              Functions.ajaxShowMessage(Messages.strU2FTimeout, false, 'error');
              break;
            case 4:
              Functions.ajaxShowMessage(Messages.strU2FErrorAuthenticate, false, 'error');
              break;
            case 3:
              Functions.ajaxShowMessage(Messages.strU2FInvalidClient, false, 'error');
              break;
            case 2:
              Functions.ajaxShowMessage(Messages.strU2FBadRequest, false, 'error');
              break;
            default:
              Functions.ajaxShowMessage(Messages.strU2FUnknown, false, 'error');
              break;
          }
          return;
        }

        // Fill and submit form.
        $inputAuth.val(JSON.stringify(data));
        $formAuth.trigger('submit');
      });
    }, 1000);
  }
});