Proof of concept for making App Store Connect requests

app-store-builds.ts

/* tslint:disable: no-console */

import * as fs from 'fs-extra';
import { sign } from 'jsonwebtoken';
import { memoize, take } from 'lodash';
import fetch from 'node-fetch';
import * as path from 'path';

const KEY_ID = 'XXXXSECRET';
const ISSUER_ID = 'secret-xxxx-xxxx-xxxx-secret';

export interface AppStoreBuild {
  type: 'builds';
  id: string;
  attributes: Object;
  relationships: Object;
  links: Object;
}

export interface AppStoreBuildResponse {
  data: Array<AppStoreBuild>;
}

/**
 * @note See https://developer.apple.com/documentation/appstoreconnectapi/generating_tokens_for_api_requests
 */
export const generateAppStoreJsonWebToken = memoize(() => {
  const header = {
    alg: 'ES256',
    kid: KEY_ID,
    typ: 'JWT'
  };

  const payload = {
    iss: ISSUER_ID,
    aud: 'appstoreconnect-v1'
  };

  const pathToPrivateKey = path.resolve(__dirname, 'apple-private-key.p8');

  return sign(payload, fs.readFileSync(pathToPrivateKey), {
    expiresIn: '20m',
    header
  });
});

export async function getAppStoreBuilds() {
  const buildsResponse = await fetch('https://api.appstoreconnect.apple.com/v1/builds', {
    method: 'GET',
    headers: {
      Authorization: `Bearer ${generateAppStoreJsonWebToken()}`
    }
  });

  const { data } = await buildsResponse.json<AppStoreBuildResponse>();
  return data;
}

export async function getAppInfo(id: string) {
  const appInfoResponse = await fetch(`https://api.appstoreconnect.apple.com/v1/builds/${id}/app`, {
    method: 'GET',
    headers: {
      Authorization: `Bearer ${generateAppStoreJsonWebToken()}`
    }
  });

  const { data } = await appInfoResponse.json();
  return data;
}

async function main() {
  const builds = await getAppStoreBuilds();

  take(builds, 10).forEach(async ({ id }) => {
    const info = await getAppInfo(id);
    console.log(`App Info (${id}):`, info);
  });
}

// tslint:disable-next-line: no-floating-promises
main();