Netflix-Style Login Flows: OAuth 2.0 Device Authorization Explained
TL;DR
OAuth 2.0 device flow: the Netflix-style login solution for CLI, IOT devices, and smart TVs
Google just killed Kubernetes pricing as we know it... no, wait, Netflix killed password-based login screens! Meet OAuth 2.0's device authorization grant, aka 'device flow'. This is how you avoid remote-control circus and typing passwords on TVs. Here's the step-by-step guide: a CLI asks for a code, sends a POST to the auth server, gets a response with a device_code, user_code, verification URI, expiration time, and polling interval. The user enters the code, and the CLI polls the token endpoint until it gets a success response or handles errors like authorization pending, slow down, expired token, access denied, or success.
Key Takeaways
- •Implement OAuth 2.0 device flow in your backend to avoid password typing
- •Use a secure user_code that's short enough to read but unguessable
- •Treat the user_code as public and handle errors like authorization pending
Originally published by Srikanth Srinivas on stackoverflow.blog. Summarized by ContentBuffer.
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