@webex/http-core/dist/request/request.js

Core HTTP library for the Cisco Webex

"use strict";

var _Object$defineProperty = require("@babel/runtime-corejs2/core-js/object/define-property");
var _interopRequireDefault = require("@babel/runtime-corejs2/helpers/interopRequireDefault");
_Object$defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _request;
var _promise = _interopRequireDefault(require("@babel/runtime-corejs2/core-js/promise"));
var _parseInt2 = _interopRequireDefault(require("@babel/runtime-corejs2/core-js/parse-int"));
var _request2 = _interopRequireDefault(require("request"));
var _safeBuffer = require("safe-buffer");
var _common = require("@webex/common");
var _detect = _interopRequireDefault(require("../lib/detect"));
var _progressEvent = _interopRequireDefault(require("../progress-event"));
/*!
 * Copyright (c) 2015-2020 Cisco Systems, Inc. See LICENSE file.
 */

/**
 * @param {Object} options
 * @private
 * @returns {Promise}
 */
function prepareOptions(options) {
  if (options.responseType === 'buffer' || options.responseType === 'blob') {
    options.encoding = null;
  }
  if (options.withCredentials) {
    options.jar = true;
  }
  if ((0, _common.isBuffer)(options.body)) {
    return (0, _detect.default)(options.body).then(function (type) {
      options.headers['content-type'] = type;
      return options;
    });
  }
  return _promise.default.resolve(options);
}

/**
 * @param {Object} options
 * @private
 * @returns {Promise}
 */
function doRequest(options) {
  return new _promise.default(function (resolve) {
    var logger = options.logger;
    var r = (0, _request2.default)(options, function (error, response) {
      if (error) {
        logger.warn(error);
      }
      if (response) {
        response.options = options;

        // I'm not sure why this line is necessary. request seems to be creating
        // buffers that aren't Buffers.
        if (options.responseType === 'buffer' && response.body.type === 'Buffer' && !(0, _common.isBuffer)(response.body)) {
          response.body = _safeBuffer.Buffer.from(response.body);
        }
        if ((0, _common.isBuffer)(response.body) && !response.body.type) {
          resolve((0, _detect.default)(response.body).then(function (type) {
            response.body.type = type;
            return response;
          }));
          return;
        }
        resolve(response);
      } else {
        // Make a network error behave like a browser network error.
        resolve({
          statusCode: 0,
          options: options,
          headers: options.headers,
          method: options.method,
          url: options.url,
          body: error
        });
      }
    });
    r.on('response', function (response) {
      var total = (0, _parseInt2.default)(response.headers['content-length'], 10);
      var loaded = 0;
      response.on('data', function (data) {
        loaded += data.length;
        options.download.emit('progress', new _progressEvent.default(loaded, total));
      });
    });
  });
}

/**
 * @name request
 * @param {Object} options
 * @returns {Promise}
 */
function _request(options) {
  return prepareOptions(options).then(doRequest);
}
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