deep-search/lib.compiled/Client/Connection/Aws4SignedHttpConnection.js

DEEP Search Library

/**
 * Created by CCristi <ccovali@mitocgroup.com> on 3/28/16.
 */

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Aws4SignedHttpConnection = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _http = require('elasticsearch/src/lib/connectors/http');

var _http2 = _interopRequireDefault(_http);

var _aws = require('aws4');

var _aws2 = _interopRequireDefault(_aws);

var _util = require('util');

var _util2 = _interopRequireDefault(_util);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/**
 * Aws4 Signed Http Connection Factory
 */
let Aws4SignedHttpConnection = exports.Aws4SignedHttpConnection = function (_HttpConnection) {
  _inherits(Aws4SignedHttpConnection, _HttpConnection);

  /**
   * @param {{accessKeyId: String, secretAccessKey: String}|null} awsCredentials
   * @param {Object[]} args
   */
  function Aws4SignedHttpConnection(awsCredentials) {
    var _ref;

    _classCallCheck(this, Aws4SignedHttpConnection);

    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      args[_key - 1] = arguments[_key];
    }

    var _this = _possibleConstructorReturn(this, (_ref = Aws4SignedHttpConnection.__proto__ || Object.getPrototypeOf(Aws4SignedHttpConnection)).call.apply(_ref, [this].concat(args)));

    _this._awsCredentials = awsCredentials;
    return _this;
  }

  /**
   * @param {Object} params
   * @returns {*}
   */


  _createClass(Aws4SignedHttpConnection, [{
    key: 'makeReqParams',
    value: function makeReqParams(params) {
      let body = params.body;

      params = _get(Aws4SignedHttpConnection.prototype.__proto__ || Object.getPrototypeOf(Aws4SignedHttpConnection.prototype), 'makeReqParams', this).call(this, params);
      params.headers = params.headers || {};

      let signParams = {
        service: 'es',
        region: Aws4SignedHttpConnection.getEsDomainRegion(params.hostname),
        host: params.hostname,
        method: params.method,
        path: params.path,
        headers: _util2.default._extend(params.headers, {})
      };

      if (body) {
        signParams.body = body;
      }

      let aws4Signature = this._createAws4Signature(signParams);

      ['X-Amz-Date', 'X-Amz-Security-Token', 'Authorization'].forEach(header => {
        params.headers[header] = aws4Signature.headers[header];
      });

      return params;
    }

    /**
     * @param {Object} optsToSign
     * @returns {Object}
     * @private
     */

  }, {
    key: '_createAws4Signature',
    value: function _createAws4Signature(optsToSign) {
      return _aws2.default.sign(optsToSign, this._awsCredentials);
    }

    /**
     * @param {String} esDomainHostname
     * @returns {String}
     */

  }], [{
    key: 'getEsDomainRegion',
    value: function getEsDomainRegion(esDomainHostname) {
      let regionParts = esDomainHostname.match(/\.([^\.]+)\.es\.amazonaws\.com$/i);

      if (regionParts && regionParts.length >= 2) {
        return regionParts[1];
      }

      throw new Error(`Invalid ES domain hostname "${esDomainHostname}".`);
    }

    /**
     * @param {{accessKeyId: String, secretAccessKey: String}|null} awsCredentials
     * @returns {Aws4SignedHttpConnection.prototype}
     */

  }, {
    key: 'createPrototype',
    value: function createPrototype() {
      let awsCredentials = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

      return Aws4SignedHttpConnection.bind(null, awsCredentials);
    }
  }]);

  return Aws4SignedHttpConnection;
}(_http2.default);