WebTask Github Proxy

github_user_repos.js

/* eslint-disable import/no-extraneous-dependencies */

/**
 * Make request to Github API to get all repositories
 * Headers: { Authorization: Bearer  <AUTH0 USER API TOKEN> }
 *
 * On WebTask
 * Secrets required:
 * 1. auth0_domain - Auth0 Client Domain
 * 2. client_id
 * 3. client_secret
 * 4. auth0_audience - Auth0 Client Audience
 * 5. gh_client_id - Github App Client ID
 * 6. gh_client_secret - Github App Client Secret
 *
 * @type {request}
 */

const request = require('request');
const ManagementClient = require('auth0').ManagementClient;

const GITHUB_URL = 'https://api.github.com';

function Management(secrets) {
  return new ManagementClient({
    domain: secrets.auth0_domain,
    clientId: secrets.client_id,
    clientSecret: secrets.client_secret,
    audience: secrets.auth0_audience,
    scope: 'read:users read:user_idp_tokens',
  });
}

module.exports = function (context, cb) {
  function getGithubRepositories(githubProvider) {
    request({
      method: 'GET',
      url: `${GITHUB_URL}/user/repos?client_id=${context.secrets.gh_client_id}&client_secret=${context.secrets.gh_client_secret}`,
      headers: {
        Authorization: `token ${githubProvider.access_token}`,
        Accept: 'application/vnd.github.mercy-preview+json',
        'User-Agent': 'WebTask/0.0.1',
      },
      json: true,
    }
      , (error, response, body) => {
      if (error) throw new Error(error);
      cb(null, body);
    });
  }
  function getUserIdpTokens(error, user) {
    if (error) throw new Error(error);
    const githubIdp = user[0].identities.filter(it => it.provider === 'github');
    if (githubIdp.length > 0) {
      return getGithubRepositories(githubIdp[0]);
    }
    return cb('Not found');
  }

  const managementClient = new Management(context.secrets);
  managementClient.getUser({ access_token: context.token }, getUserIdpTokens);
};