wehelpjs/lib/weauth/index.js

wehelpjs is the JavaScript API Library for the WeYouMe blockchain

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getAccountCreationFee = exports.createSuggestedPassword = exports.authorize = exports.addPostingAuthority = exports.hasAuthority = exports.login = void 0;

var _isomorphicFetch = _interopRequireDefault(require("isomorphic-fetch"));

var _api = require("../api");

var _broadcast = require("../broadcast");

var _memo = require("../auth/memo");

var _ecc = require("../auth/ecc");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// eslint-disable-line camelcase
const login = ({
  username,
  wif,
  role = 'posting'
}, cb) => {
  (0, _isomorphicFetch.default)(`/api/login/challenge?username=${username}&role=${role}`).then(res => res.json()).then(data => {
    const token = (0, _memo.decode)(wif, data.code).substring(1);
    localStorage.setItem('token', token);
    cb(null, data);
  }).catch(err => cb(err, null));
};

exports.login = login;

const hasAuthority = (user, clientId, role = 'posting') => {
  const auths = user[role].account_auths.map(auth => auth[0]);
  return auths.indexOf(clientId) !== -1;
};

exports.hasAuthority = hasAuthority;

const addPostingAuthority = ({
  username,
  wif,
  clientId
}, cb) => {
  _api.api.getAccounts([username], (err, result) => {
    const {
      posting,
      memoKey,
      json
    } = result[0];
    const postingNew = posting;

    if (!hasAuthority(result[0], clientId)) {
      postingNew.account_auths.push([clientId, parseInt(posting.weight_threshold, 10)]);

      _broadcast.broadcast.accountUpdate(wif, username, undefined, undefined, postingNew, memoKey, json, (errA, resultA) => cb(errA, resultA));
    } else {
      cb(null, {});
    }
  });
};

exports.addPostingAuthority = addPostingAuthority;

const authorize = ({
  clientId,
  scope,
  responseType = 'token'
}, cb) => {
  const token = localStorage.getItem('token');
  (0, _isomorphicFetch.default)(`/api/oauth2/authorize?client_id=${clientId}&scope=${scope}&response_type=${responseType}`, {
    headers: new Headers({
      Authorization: token
    })
  }).then(res => res.json()).then(data => cb(null, data)).catch(err => cb(err, null));
}; // https://github.com/WeYouMe/weauth/blob/634c13cd0d2fafa28592e9d5f43589e201198248/app/components/elements/SuggestPassword.jsx#L97


exports.authorize = authorize;

const createSuggestedPassword = () => {
  const PASSWORD_LENGTH = 32;

  const privateKey = _ecc.key_utils.get_random_key();

  return privateKey.toWif().substring(3, 3 + PASSWORD_LENGTH);
};

exports.createSuggestedPassword = createSuggestedPassword;

const getAccountCreationFee = async () => {
  const chainConfig = await _api.api.getConfigAsync();
  const chainProps = await _api.api.getChainPropertiesAsync();
  const accountCreationFee = chainProps.account_creation_fee;
  const priceModifier = chainConfig.CREATE_ACCOUNT_WITH_TME_MODIFIER;
  const accountCreationFeeInTME = parseFloat(accountCreationFee.split(' ')[0]) * priceModifier;
  return `${accountCreationFeeInTME.toFixed(3)} TME`;
};

exports.getAccountCreationFee = getAccountCreationFee;