firebase_admin_sdk_user_creation_and_token_verification.py

1import firebase_admin
2from firebase_admin import credentials
3from firebase_admin import auth
4
5# Initialize the SDK with a service account file
6# Get the service account key JSON file from the Firebase Console:
7# Project Settings > Service Accounts > Generate new private key
8cred = credentials.Certificate('path/to/serviceAccountKey.json')
9firebase_admin.initialize_app(cred)
10
11# 1. Create a new user
12user = auth.create_user(
13    email='user@example.com',
14    email_verified=False,
15    phone_number='+15555550100',
16    password='secretPassword',
17    display_name='John Doe',
18    photo_url='http://www.example.com/12345678/photo.png',
19    disabled=False)
20
21print(f'Successfully created new user: {user.uid}')
22
23# 2. Get a user by their UID
24user = auth.get_user(user.uid)
25print(f'Retrieved user data: {user.display_name}')
26
27# 3. Verify an ID token (sent from a client-side SDK)
28# id_token comes from the client app (iOS, Android, or Web)
29def verify_token(id_token):
30    try:
31        decoded_token = auth.verify_id_token(id_token)
32        uid = decoded_token['uid']
33        print(f'Verified ID token for user: {uid}')
34        return uid
35    except Exception as e:
36        print(f'Error verifying ID token: {e}')
37        return None
38
39# 4. Delete a user
40auth.delete_user(user.uid)
41print('Successfully deleted user')