Microservices - Authentication and Authorization
If a microservice receives an expired OAuth 2.0 access token, what is the expected response it should return?
If a microservice receives an expired OAuth 2.0 access token, what is the expected response it should return?
medium📝 Analysis Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand OAuth 2.0 error handling for expired tokens
When a token is expired, the server must reject the request with a 401 status and an 'invalid_token' error.Step 2: Match the correct HTTP status and error message
HTTP 401 Unauthorized with 'invalid_token' is the standard response for expired or invalid tokens.Final Answer:
HTTP 401 Unauthorized with error 'invalid_token' -> Option AQuick Check:
Expired token response = 401 Unauthorized [OK]
Quick Trick: Expired tokens get 401 Unauthorized with 'invalid_token' error [OK]
Common Mistakes:
MISTAKES- Returning 403 Forbidden instead of 401 Unauthorized
- Returning 200 OK which wrongly allows access
- Using 500 Internal Server Error which is incorrect
Master "Authentication and Authorization" in Microservices
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