Secure User Authentication with Auth0 and OAuth 2.0
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This n8n workflow provides a complete solution for secure user authentication using Auth0 and the OAuth 2.0 Authorization Code flow. It automates the process of redirecting users for login, exchanging authorization codes for access tokens, and retrieving comprehensive user profile information.
About This Workflow
Seamlessly integrate robust user authentication into your applications with this n8n workflow. Leveraging Auth0, a leading identity platform, and the industry-standard OAuth 2.0 Authorization Code flow, this solution manages the entire authentication lifecycle. Users are redirected to a secure Auth0 login page, where they can authenticate via email/password or various social connections (e.g., Google, GitHub). Upon successful login, the workflow automatically exchanges the authorization code for a secure access token, which is then used to fetch detailed user profile information. This allows you to build secure, personalized experiences without managing complex authentication logic.
Key Features
- Auth0 Integration: Connects directly with Auth0 for robust and scalable identity management.
- OAuth 2.0 Authorization Code Flow: Fully implements the secure OAuth 2.0 Authorization Code grant type.
- Access Token & User Info Retrieval: Automatically exchanges authorization codes for access tokens and fetches rich user profile data.
- Flexible Login Options: Supports standard email/password logins and social connections via Auth0.
- Built-in Error Handling: Gracefully handles scenarios where authorization codes are missing.
How To Use
- Auth0 Setup:
- Create a Single Page Application in your Auth0 dashboard.
- Add your n8n instance's URL (e.g.,
http://localhost:5678or your server's domain) andYOUR_N8N_URL/webhook/receive-tokento the "Allowed Callback URLs". - Retrieve your Auth0 Domain, Client ID, and Client Secret from your application settings.
- Configure N8N Nodes:
- In the "Set Application Details" node, fill in your Auth0
domain,client_id, and your n8nmy_serverURL (e.g.,http://localhost:5678). - In the "Set Application Details1" node, provide your Auth0
domain,client_id, andclient_secret.
- In the "Set Application Details" node, fill in your Auth0
- Initiate Authentication: The workflow is designed to be triggered by a webhook. When a user accesses the initial webhook endpoint, they will be redirected to the Auth0 login page.
- Receive User Data: After successful login, Auth0 redirects back to n8n, which processes the authorization code, exchanges it for an access token, and fetches the user's profile information. This data will be available in subsequent nodes for further processing.
Apps Used
Workflow JSON
{
"id": "91004dbf-abb5-490f-852e-9a02d78bad91",
"name": "Secure User Authentication with Auth0 and OAuth 2.0",
"nodes": 18,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 91004dbf-abb5...
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