aws-delivlib/lib/publishing/github/node_modules/universal-github-app-jwt/dist-node/index.js

A fabulous library for defining continuous pipelines for building, testing and releasing code libraries.

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var jsonwebtoken = _interopDefault(require('jsonwebtoken'));

async function getToken({
  privateKey,
  payload
}) {
  return jsonwebtoken.sign(payload, privateKey, {
    algorithm: "RS256"
  });
}

async function githubAppJwt({
  id,
  privateKey,
  now = Math.floor(Date.now() / 1000)
}) {
  // When creating a JSON Web Token, it sets the "issued at time" (iat) to 30s
  // in the past as we have seen people running situations where the GitHub API
  // claimed the iat would be in future. It turned out the clocks on the
  // different machine were not in sync.
  const nowWithSafetyMargin = now - 30;
  const expiration = nowWithSafetyMargin + 60 * 10; // JWT expiration time (10 minute maximum)
  const payload = {
    iat: nowWithSafetyMargin,
    exp: expiration,
    iss: id
  };
  const token = await getToken({
    privateKey,
    payload
  });
  return {
    appId: id,
    expiration,
    token
  };
}

exports.githubAppJwt = githubAppJwt;
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