Firebase Auth with Keystone

auth.ts

import { KeystoneContext } from '@keystone-next/keystone/types';
import admin from 'firebase-admin';
const firebase = admin.initializeApp();

export const authMutations = `
  authenticateWithFirebase(token: String!): User
  signupWithFirebase(
  token: String!
  name: String!
  email: String
  password: String!
  ): User
  verifyEmailAddress(token: String!): User
  verifyMobile(phone: String!): UserAlreadyExist
`;

export const authTypes = `
  type UserAlreadyExist {
      success: Boolean!
  }
`;

export async function authenticateWithFirebase(
  root: any,
  { token }: { token: string },
  context: KeystoneContext
) {
  const sudo = context.sudo();
  const firebaseToken = await firebase.auth()?.verifyIdToken(token);
  const { uid, phone_number: phone } = firebaseToken;
  const firebaseUser = await sudo.lists.User.findMany({
    where: {
      firebaseId: { equals: uid },
      phone: { equals: phone },
    },
  });
  if (!firebaseUser.length) {
    throw new Error('USER_NOT_FOUND');
  }
  const item = firebaseUser[0];
  const newToken = await context?.startSession?.({
    itemId: item?.id,
    listKey: 'User',
  });
  if (newToken) {
    return await sudo.db.lists.User.findOne({ where: { id: item.id } });
  }
  return null;
}
export async function signupWithFirebase(
  root: any,
  {
    token,
    name,
    email,
    password,
  }: { token: string; name: string; email: string; password: string },
  context: KeystoneContext
) {
  try {
    const firebaseToken = await firebase.auth().verifyIdToken(token);
    const sudo = context.sudo();

    const { uid, phone_number: phone } = firebaseToken;
    const firebaseUser = await sudo.lists.User.findMany({
      where: {
        firebaseId: { equals: uid },
        phone: { equals: phone },
      },
    });

    if (firebaseUser.length) {
      throw new Error('USER_ALREADY_EXIST');
    }
    const newUser = await sudo.lists.User.createOne({
      data: {
        name,
        phone: phone,
        firebaseId: uid,
        email,
        password,
      },
    });

    const item = newUser;
    const currentUser = await context?.startSession?.({
      itemId: item?.id,
      listKey: 'User',
    });

    if (currentUser) {
      return await sudo.db.lists.User.findOne({ where: { id: item.id } });
    }
    return null;
  } catch (error) {
    throw new Error('Error creating User.');
  }
}
export async function verifyEmailAddress(
  root: any,
  { token }: { token: string },
  context: KeystoneContext
) {
  const user = context?.session?.data;
  if (!user?.id) {
    return null;
  }
  try {
    const firebaseToken = await firebase.auth().verifyIdToken(token);
    const { email_verified } = firebaseToken;
    const sudo = context.sudo();
    const registeredUser = await sudo.lists.User.updateOne({
      where: { id: user.id },
      data: {
        isVerifiedEmail: email_verified,
      },
      query: 'id',
    });
    return { id: registeredUser.id };
  } catch (error) {
    console.log('error', error);
    return null;
  }
}

export async function verifyMobile(
  root: any,
  { phone }: { phone: string },
  context: KeystoneContext
) {
  const sudo = context.sudo();
  const isValid = await sudo.lists.User.findOne({
    where: { phone },
    query: 'id',
  });
  return { success: isValid?.id ? true : false };
}

graphql.ts

import { graphQLSchemaExtension } from '@keystone-next/keystone';

import {
  authenticateWithFirebase,
  authMutations,
  authTypes,
  signupWithFirebase,
  verifyEmailAddress,
  verifyMobile,
} from './auth';

const typeDefs = String.raw`
${authTypes}
type Mutation {
    ${authMutations}
  }
`;

export const extendGraphqlSchema = graphQLSchemaExtension({
  typeDefs,
  resolvers: {
    Mutation: {
      authenticateWithFirebase,
      signupWithFirebase,
      verifyEmailAddress,
      verifyMobile,
    },
  },
});

import extendGraphqlSchema to add to keystone config.

Hi,

Thank you, Sir!

That looks very exciting!