text: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  
  'use strict';
  
  const Authenticator = require('./authenticator');
  const SaslMechanismPlain = require('./mechanisms/sasl-mechanism-plain');
  
  class PlainTextSaslAuthenticator extends Authenticator {
    /**
     * Creates a new instance of PlainTextSaslAuthenticator.
     * @param {string} username Username to log into the server.
     * @param {string} password Password for the user.
     * @param {string} [authzid] Optional id
     * @constructor
     */
    constructor(username, password, authzid) {
      const options = {
        mechanism: new SaslMechanismPlain({
          username: username,
          password: password,
          authzid: authzid,
        }),
      };
  
      super(options);
    }
  
    /**
     * Evaluates the challenge from the server and returns appropriate response.
     * @param {String} challenge Challenge string presented by the server.
     * @return {Object} A Promise that resolves to a valid sasl response object.
     */
    evaluateChallenge(challenge) {
      return this._options.mechanism.evaluateChallenge(challenge);
    }
  }
  
  module.exports = PlainTextSaslAuthenticator;
  