Description

Firebase Node for n8n

This node allows you to interact with Firebase Admin SDK in n8n to perform various operations with Firebase Authentication.

Features

Authentication Operations

1. Verify ID Token – Verify Firebase ID token
2. Get User by UID – Get user information by UID
3. List All Users – List all users in Firebase Auth
4. Create User – Create a new user
5. Update User – Update user information
6. Delete User – Delete a user

Installation

1. Make sure you have Node.js version 20.15 or higher installed
2. Install dependencies: npm install
3. Build the project: npm run build

Setting up credentials

Method 1: Service Account JSON (Recommended)

1. Go to Firebase Console
2. Select your project
3. Go to Project Settings > Service Accounts
4. Click "Generate New Private Key"
5. Download the JSON file
6. In n8n, paste the contents of the JSON file in the "Service Account JSON" field

Method 2: Individual fields

1. Project ID – Your Firebase project ID
2. Private Key – Private key from the service account
3. Client Email – Client email from the service account

Usage

Verify ID Token

Verifies a Firebase ID token and returns user information.

Parameters:

• ID Token – Firebase ID token to verify

Returns:

• User information (uid, email, displayName, etc.)

Get User by UID

Gets user information by their UID.

Parameters:

• User UID – User UID

Returns:

• Complete user information

List All Users

Gets a list of all users in Firebase Auth.

Parameters:

• Max Results – Maximum number of users to return (max 1000)
• Next Page Token – Token for pagination (optional)

Returns:

• List of users with pagination information

Create User

Creates a new user in Firebase Auth.

Parameters:

• Email – User's email address
• Password – User's password
• Display Name – Display name
• Phone Number – Phone number
• Email Verified – Whether the email is verified
• Disabled – Whether the account is disabled

Returns:

• Information about the created user

Update User

Updates information about an existing user.

Parameters:

• User UID – UID of the user to update
• Email – New email address
• Display Name – New display name
• Phone Number – New phone number
• Email Verified – Email verification status
• Disabled – Account status

Returns:

• Updated user information

Delete User

Deletes a user from Firebase Auth.

Parameters:

• User UID – UID of the user to delete

Returns:

• Success message

Usage examples

Verify user token

{
  "resource": "auth",
  "operation": "verifyIdToken",
  "idToken": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9..."
}

Get list of users

{
  "resource": "auth",
  "operation": "listUsers",
  "maxResults": 100
}

Create new user

{
  "resource": "auth",
  "operation": "createUser",
  "email": "user@example.com",
  "password": "securepassword123",
  "displayName": "John Doe",
  "emailVerified": false,
  "disabled": false
}

Security

• Firebase credentials are stored in encrypted form
• Use service account with minimal required permissions
• Do not share private keys in plain text

Support

If you encounter problems:

1. Check the correctness of Firebase credentials
2. Make sure the service account has permissions for Firebase Auth
3. Check n8n logs for additional error information

License

MIT License