Method startAuthenticating

lib/connection.js:391–404

* Starts the SASL flow * @param {String} authenticatorName * @param {Function} callback

(authenticatorName, callback)

   * @param {Function} callback
   */
  startAuthenticating(authenticatorName, callback) {
    if (!this.options.authProvider) {
      return callback(new errors.AuthenticationError('Authentication provider not set'));
    }
    const authenticator = this.options.authProvider.newAuthenticator(this.endpoint, authenticatorName);
    const self = this;
    authenticator.initialResponse(function initialResponseCallback(err, token) {
      // Start the flow with the initial token
      if (err) {
        return self.onAuthenticationError(callback, err);
      }
      self.authenticate(authenticator, token, callback);
    });
  }

  /**
   * Handles authentication requests and responses.