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