@oddomir87/smartcard/lib/Device.js

Forked tomkp/smartcard library to increase length of APDU responses

'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); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _Card = _interopRequireDefault(require("./Card"));

var _events = require("events");

var _pino = _interopRequireDefault(require("pino"));

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 _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 logger = (0, _pino["default"])({
  name: 'Device'
});

var Device = /*#__PURE__*/function (_EventEmitter) {
  _inherits(Device, _EventEmitter);

  var _super = _createSuper(Device);

  function Device(reader) {
    var _this;

    _classCallCheck(this, Device);

    _this = _super.call(this);
    logger.debug("new Device(".concat(reader, ")"));
    _this.reader = reader;
    _this.name = reader.name;
    _this.card = null;

    var isCardInserted = function isCardInserted(changes, reader, status) {
      return changes & reader.SCARD_STATE_PRESENT && status.state & reader.SCARD_STATE_PRESENT;
    };

    var isCardRemoved = function isCardRemoved(changes, reader, status) {
      return changes & reader.SCARD_STATE_EMPTY && status.state & reader.SCARD_STATE_EMPTY;
    };

    var cardInserted = function cardInserted(reader, status) {
      reader.connect({
        share_mode: 2
      }, function (err, protocol) {
        if (err) {
          _this.emit('error', err);
        } else {
          _this.card = new _Card["default"](_assertThisInitialized(_this), status.atr, protocol);

          _this.emit('card-inserted', {
            device: _assertThisInitialized(_this),
            card: _this.card
          });
        }
      });
    };

    var cardRemoved = function cardRemoved(reader) {
      var name = reader.name;
      reader.disconnect(reader.SCARD_LEAVE_CARD, function (err) {
        if (err) {
          _this.emit('error', err);
        } else {
          _this.emit('card-removed', {
            name: name,
            card: _this.card
          });

          _this.card = null;
        }
      });
    };

    reader.on('status', function (status) {
      var changes = reader.state ^ status.state;

      if (changes) {
        if (isCardRemoved(changes, reader, status)) {
          cardRemoved(reader);
        } else if (isCardInserted(changes, reader, status)) {
          cardInserted(reader, status);
        }
      }
    });
    return _this;
  }

  _createClass(Device, [{
    key: "transmit",
    value: function transmit(data, res_len, protocol, cb) {
      try {
        this.reader.transmit(data, res_len, protocol, cb);
      } catch (err) {
        logger.warn("transmit", err);
      }
    }
  }, {
    key: "getName",
    value: function getName() {
      return this.name;
    }
  }, {
    key: "toString",
    value: function toString() {
      return "".concat(this.getName());
    }
  }]);

  return Device;
}(_events.EventEmitter);

var _default = Device;
exports["default"] = _default;