trezor-link/lib/highlevel-checks.js

Trezor Link for browser

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.info = info;
exports.version = version;
exports.devices = devices;
exports.acquire = acquire;
exports.call = call;

// input checks for high-level transports
function info(res) {
  if (typeof res !== "object" || res == null) {
    throw new Error("Wrong result type.");
  }

  var version = res.version;

  if (typeof version !== "string") {
    throw new Error("Wrong result type.");
  }

  var configured = !!res.configured;
  return {
    version: version,
    configured: configured
  };
}

function version(version) {
  if (typeof version !== "string") {
    throw new Error("Wrong result type.");
  }

  return version.trim();
}

function convertSession(r) {
  if (r == null) {
    return null;
  }

  if (typeof r !== "string") {
    throw new Error("Wrong result type.");
  }

  return r;
}

function devices(res) {
  if (typeof res !== "object") {
    throw new Error("Wrong result type.");
  }

  if (!(res instanceof Array)) {
    throw new Error("Wrong result type.");
  }

  return res.map(function (o) {
    if (typeof o !== "object" || o == null) {
      throw new Error("Wrong result type.");
    }

    var path = o.path;

    if (typeof path !== "string") {
      throw new Error("Wrong result type.");
    }

    var pathS = path.toString();
    return {
      path: pathS,
      session: convertSession(o.session),
      debugSession: convertSession(o.debugSession),
      product: o.product,
      vendor: o.vendor,
      debug: !!o.debug
    };
  });
}

function acquire(res) {
  if (typeof res !== "object" || res == null) {
    throw new Error("Wrong result type.");
  }

  var session = res.session;

  if (typeof session !== "string" && typeof session !== "number") {
    throw new Error("Wrong result type.");
  }

  return session.toString();
}

function call(res) {
  if (typeof res !== "object" || res == null) {
    throw new Error("Wrong result type.");
  }

  var type = res.type;

  if (typeof type !== "string") {
    throw new Error("Wrong result type.");
  }

  var message = res.message;

  if (typeof message !== "object" || message == null) {
    throw new Error("Wrong result type.");
  }

  return {
    type: type,
    message: message
  };
}