📅 2024-12-12 — Session: Integrated Gmail with n8n using OAuth2
🕒 22:00–22:45
🏷️ Labels: N8N, Gmail, Oauth2, Google Cloud, Automation
📂 Project: Dev
⭐ Priority: MEDIUM
Session Goal
The goal of this session was to set up and integrate Gmail with n8n using OAuth2 authentication, ensuring compliance with Google’s security requirements.
Key Activities
- Set up a global Gmail connection in n8n using OAuth2 and service accounts.
- Configured the OAuth consent screen in Google Cloud, including setting user types and authorized domains.
- Deployed n8n to meet Google’s OAuth requirements, exploring options for public deployment and tunneling services.
- Investigated alternatives to deploying a full app for Gmail API authorization, such as using service accounts and Gmail app passwords.
- Deployed a minimal app on Google App Engine as a placeholder for OAuth authorization.
- Resolved OAuth 2.0 redirect URI issues, including using public domains and reverse proxies.
- Authenticated ngrok for secure tunneling.
- Set up Google Cloud CLI for managing projects and credentials.
- Configured Gmail API with a service account, including permission verification and key generation.
Achievements
- Successfully integrated Gmail with n8n using OAuth2.
- Established a robust setup for Gmail API with service accounts in Google Cloud Platform.
Pending Tasks
- Further testing and validation of the integration to ensure stability and security.
- Explore additional automation opportunities using the current setup.