'use strict';
Object.defineProperty(exports, “__esModule”, {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props; 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 _underscore = require('underscore');
var _underscore2 = _interopRequireDefault(_underscore);
var _bluebird = require('bluebird');
var _bluebird2 = _interopRequireDefault(_bluebird);
var _handler_base = require('./handler_base');
var _handler_base2 = _interopRequireDefault(_handler_base);
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; }
/**
* Represents a proxied HTTP request for which the response is generated by custom user function. * This is useful e.g. when providing access to external APIs via HTTP proxy interface. */
var HandlerCustomResponse = function (_HandlerBase) {
_inherits(HandlerCustomResponse, _HandlerBase); function HandlerCustomResponse(options) { _classCallCheck(this, HandlerCustomResponse); var _this = _possibleConstructorReturn(this, (HandlerCustomResponse.__proto__ || Object.getPrototypeOf(HandlerCustomResponse)).call(this, options)); _this.customResponseFunction = options.customResponseFunction; if (!_this.customResponseFunction) throw new Error('The "customResponseFunction" option is required'); return _this; } _createClass(HandlerCustomResponse, [{ key: 'run', value: function run() { var _this2 = this; var reqOpts = this.trgParsed; reqOpts.method = this.srcRequest.method; reqOpts.headers = {}; _bluebird2.default.resolve().then(function () { return _this2.customResponseFunction(); }).then(function (customResponse) { if (_this2.isClosed) return; if (!customResponse) { throw new Error('The user-provided "customResponseFunction" must return an object.'); } var statusCode = customResponse.statusCode || 200; var length = customResponse.body ? customResponse.body.length : null; _this2.log('Received custom user response (' + statusCode + ', length: ' + length + ', encoding: ' + customResponse.encoding + ')'); // Forward custom response to source _this2.srcResponse.statusCode = statusCode; _underscore2.default.each(customResponse.headers, function (value, key) { _this2.srcResponse.setHeader(key, value); }); return new _bluebird2.default(function (resolve, reject) { _this2.srcGotResponse = true; _this2.srcResponse.end(customResponse.body, customResponse.encoding, function (err) { if (err) return reject(err); resolve(); }); }); }).then(function () { _this2.log('Custom response sent to source'); }).catch(function (err) { if (_this2.isClosed) return; _this2.log('Custom response function failed: ' + (err.stack || err)); _this2.fail(err); }); } }]); return HandlerCustomResponse;
}(_handler_base2.default);
exports.default = HandlerCustomResponse;