public ConsumerInfo getConsumerKeyAndSecret(
      SecurityToken securityToken, String serviceName, OAuthServiceProvider oAuthServiceProvider)
      throws GadgetException {

    OAuthConsumer oAuthConsumer = getOAuthConsumer(securityToken, serviceName);

    if (oAuthConsumer == null) {
      throw new GadgetException(
          GadgetException.Code.INTERNAL_SERVER_ERROR,
          "No key for gadget " + securityToken.getAppUrl() + " and service " + serviceName);
    }

    net.oauth.OAuthConsumer netOAuthConsumer = null;

    String keyType = oAuthConsumer.getKeyType();

    if (keyType.equals(OAuthConsumerConstants.KEY_TYPE_RSA_PRIVATE)) {
      netOAuthConsumer =
          new net.oauth.OAuthConsumer(
              null, oAuthConsumer.getConsumerKey(), null, oAuthServiceProvider);

      netOAuthConsumer.setProperty(OAuth.OAUTH_SIGNATURE_METHOD, OAuth.RSA_SHA1);
      netOAuthConsumer.setProperty(RSA_SHA1.PRIVATE_KEY, oAuthConsumer.getConsumerSecret());
    } else {
      netOAuthConsumer =
          new net.oauth.OAuthConsumer(
              null,
              oAuthConsumer.getConsumerKey(),
              oAuthConsumer.getConsumerSecret(),
              oAuthServiceProvider);

      netOAuthConsumer.setProperty(OAuth.OAUTH_SIGNATURE_METHOD, OAuth.HMAC_SHA1);
    }

    String keyName = oAuthConsumer.getKeyName();

    String callbackURL = _callbackURL.replace("%host%", ShindigUtil.getHost());

    return new ConsumerInfo(netOAuthConsumer, keyName, callbackURL);
  }