@trezor/transport/lib/utils/bridgeApiResult.js

Low level library facilitating protocol buffers based communication with Trezor devices

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.info = info;
exports.version = version;
exports.devices = devices;
exports.acquire = acquire;
exports.call = call;
exports.post = post;
exports.empty = empty;
const tslib_1 = require("tslib");
const bridgeProtocolMessage_1 = require("./bridgeProtocolMessage");
const result_1 = require("./result");
const ERRORS = tslib_1.__importStar(require("../errors"));
function isString(payload) {
  return typeof payload === 'string';
}
function info(res) {
  if (isString(res)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  const {
    version
  } = res;
  if (typeof version !== 'string') {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  const configured = !!res.configured;
  const protocolMessages = !!res.protocolMessages;
  return (0, result_1.success)({
    version,
    configured,
    protocolMessages
  });
}
function version(res) {
  if (!isString(res)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  return (0, result_1.success)(res.trim());
}
function devices(res) {
  if (isString(res)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  if (!(res instanceof Array)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  if (res.some(o => typeof o !== 'object' || !o || typeof o.path !== 'string' || typeof o.session !== 'string' && o.session !== null)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  return (0, result_1.success)(res.map(o => ({
    path: o.path,
    session: o.session,
    sessionOwner: o.sessionOwner,
    product: o.product,
    type: o.type,
    vendor: o.vendor,
    debug: o.debug,
    debugSession: o.debugSession,
    id: o.id,
    apiType: o.apiType || 'usb'
  })));
}
function acquire(res) {
  if (isString(res)) {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  const {
    session
  } = res;
  if (typeof session !== 'string') {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
  return (0, result_1.success)(session);
}
function call(res) {
  try {
    return (0, result_1.success)((0, bridgeProtocolMessage_1.validateProtocolMessage)(res, true));
  } catch {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
}
function post(res) {
  try {
    return (0, result_1.success)((0, bridgeProtocolMessage_1.validateProtocolMessage)(res, false));
  } catch {
    return (0, result_1.error)({
      error: ERRORS.WRONG_RESULT_TYPE
    });
  }
}
function empty(res) {
  return res != null && JSON.stringify(res) === '{}' ? (0, result_1.error)({
    error: ERRORS.WRONG_RESULT_TYPE
  }) : (0, result_1.success)(undefined);
}
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