jssip/lib-es5/Options.js

the Javascript SIP library

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var EventEmitter = require('events').EventEmitter;

var Logger = require('./Logger');

var JsSIP_C = require('./Constants');

var SIPMessage = require('./SIPMessage');

var Utils = require('./Utils');

var RequestSender = require('./RequestSender');

var Exceptions = require('./Exceptions');

var logger = new Logger('Options');

module.exports = /*#__PURE__*/function (_EventEmitter) {
  _inherits(Options, _EventEmitter);

  var _super = _createSuper(Options);

  function Options(ua) {
    var _this;

    _classCallCheck(this, Options);

    _this = _super.call(this);
    _this._ua = ua;
    _this._request = null;
    _this._closed = false;
    _this._direction = null;
    _this._local_identity = null;
    _this._remote_identity = null; // Whether an incoming message has been replied.

    _this._is_replied = false; // Custom message empty object for high level use.

    _this._data = {};
    return _this;
  }

  _createClass(Options, [{
    key: "send",
    value: function send(target, body) {
      var _this2 = this;

      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
      var originalTarget = target;

      if (target === undefined) {
        throw new TypeError('A target is required for OPTIONS');
      } // Check target validity.


      target = this._ua.normalizeTarget(target);

      if (!target) {
        throw new TypeError("Invalid target: ".concat(originalTarget));
      } // Get call options.


      var extraHeaders = Utils.cloneArray(options.extraHeaders);
      var eventHandlers = Utils.cloneObject(options.eventHandlers);
      var contentType = options.contentType || 'application/sdp'; // Set event handlers.

      for (var event in eventHandlers) {
        if (Object.prototype.hasOwnProperty.call(eventHandlers, event)) {
          this.on(event, eventHandlers[event]);
        }
      }

      extraHeaders.push("Content-Type: ".concat(contentType));
      this._request = new SIPMessage.OutgoingRequest(JsSIP_C.OPTIONS, target, this._ua, null, extraHeaders);

      if (body) {
        this._request.body = body;
      }

      var request_sender = new RequestSender(this._ua, this._request, {
        onRequestTimeout: function onRequestTimeout() {
          _this2._onRequestTimeout();
        },
        onTransportError: function onTransportError() {
          _this2._onTransportError();
        },
        onReceiveResponse: function onReceiveResponse(response) {
          _this2._receiveResponse(response);
        }
      });

      this._newOptions('local', this._request);

      request_sender.send();
    }
  }, {
    key: "init_incoming",
    value: function init_incoming(request) {
      this._request = request;

      this._newOptions('remote', request); // Reply with a 200 OK if the user didn't reply.


      if (!this._is_replied) {
        this._is_replied = true;
        request.reply(200);
      }

      this._close();
    }
    /**
     * Accept the incoming Options
     * Only valid for incoming Options
     */

  }, {
    key: "accept",
    value: function accept() {
      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var extraHeaders = Utils.cloneArray(options.extraHeaders);
      var body = options.body;

      if (this._direction !== 'incoming') {
        throw new Exceptions.NotSupportedError('"accept" not supported for outgoing Options');
      }

      if (this._is_replied) {
        throw new Error('incoming Options already replied');
      }

      this._is_replied = true;

      this._request.reply(200, null, extraHeaders, body);
    }
    /**
     * Reject the incoming Options
     * Only valid for incoming Options
     */

  }, {
    key: "reject",
    value: function reject() {
      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var status_code = options.status_code || 480;
      var reason_phrase = options.reason_phrase;
      var extraHeaders = Utils.cloneArray(options.extraHeaders);
      var body = options.body;

      if (this._direction !== 'incoming') {
        throw new Exceptions.NotSupportedError('"reject" not supported for outgoing Options');
      }

      if (this._is_replied) {
        throw new Error('incoming Options already replied');
      }

      if (status_code < 300 || status_code >= 700) {
        throw new TypeError("Invalid status_code: ".concat(status_code));
      }

      this._is_replied = true;

      this._request.reply(status_code, reason_phrase, extraHeaders, body);
    }
  }, {
    key: "_receiveResponse",
    value: function _receiveResponse(response) {
      if (this._closed) {
        return;
      }

      switch (true) {
        case /^1[0-9]{2}$/.test(response.status_code):
          // Ignore provisional responses.
          break;

        case /^2[0-9]{2}$/.test(response.status_code):
          this._succeeded('remote', response);

          break;

        default:
          {
            var cause = Utils.sipErrorCause(response.status_code);

            this._failed('remote', response, cause);

            break;
          }
      }
    }
  }, {
    key: "_onRequestTimeout",
    value: function _onRequestTimeout() {
      if (this._closed) {
        return;
      }

      this._failed('system', null, JsSIP_C.causes.REQUEST_TIMEOUT);
    }
  }, {
    key: "_onTransportError",
    value: function _onTransportError() {
      if (this._closed) {
        return;
      }

      this._failed('system', null, JsSIP_C.causes.CONNECTION_ERROR);
    }
  }, {
    key: "_close",
    value: function _close() {
      this._closed = true;

      this._ua.destroyMessage(this);
    }
    /**
     * Internal Callbacks
     */

  }, {
    key: "_newOptions",
    value: function _newOptions(originator, request) {
      if (originator === 'remote') {
        this._direction = 'incoming';
        this._local_identity = request.to;
        this._remote_identity = request.from;
      } else if (originator === 'local') {
        this._direction = 'outgoing';
        this._local_identity = request.from;
        this._remote_identity = request.to;
      }

      this._ua.newOptions(this, {
        originator: originator,
        message: this,
        request: request
      });
    }
  }, {
    key: "_failed",
    value: function _failed(originator, response, cause) {
      logger.debug('OPTIONS failed');

      this._close();

      logger.debug('emit "failed"');
      this.emit('failed', {
        originator: originator,
        response: response || null,
        cause: cause
      });
    }
  }, {
    key: "_succeeded",
    value: function _succeeded(originator, response) {
      logger.debug('OPTIONS succeeded');

      this._close();

      logger.debug('emit "succeeded"');
      this.emit('succeeded', {
        originator: originator,
        response: response
      });
    }
  }, {
    key: "direction",
    get: function get() {
      return this._direction;
    }
  }, {
    key: "local_identity",
    get: function get() {
      return this._local_identity;
    }
  }, {
    key: "remote_identity",
    get: function get() {
      return this._remote_identity;
    }
  }]);

  return Options;
}(EventEmitter);