auth.controller.js

import GoogleAuth from "google-auth-library";
import { googleAuthClientId } from "../../src/constants/config";
import { User } from "../utilities/database";
import { path } from "ramda";

const checkUserToken = token => {
  return new Promise((resolve, reject) => {
    const auth = new GoogleAuth();
    const client = new auth.OAuth2(googleAuthClientId, "", "");
    client.verifyIdToken(token, googleAuthClientId, (error, login) => {
      if (error) {
        reject(error);
      }
      resolve(login);
    });
  });
};

const authenticateUser = ({ body }, response) => {
  const { id_token } = body;
  checkUserToken(id_token).then(({ _payload }) => {
    const { name, email, picture } = _payload;
    User.find({
      where: {
        email
      }
    }).then(user => {
      if (!user) {
        User.create({ name, email, picture }).then(() => {
          return response.status(401).json({ status: "Not Authorized" });
        });
      }
      if (path("permissions", user)) {
        return response.status(200).json(user);
      }
      return response.status(401).json({ status: "Not Authorized" });
    });
  });
};

const authController = {
  post: authenticateUser
};

export default authController;