Rest API - Authentication and Authorization
If an OAuth 2.0 client receives an access token with scope 'read', what will happen if it tries to perform a 'write' operation?
If an OAuth 2.0 client receives an access token with scope 'read', what will happen if it tries to perform a 'write' operation?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand token scopes
Access tokens limit what actions a client can perform based on scopes granted.Step 2: Evaluate client action with insufficient scope
If the client tries a 'write' operation with only 'read' scope, the resource server denies it.Final Answer:
The resource server will deny the operation -> Option DQuick Check:
Insufficient scope = operation denied [OK]
Quick Trick: Scopes limit actions; no scope means no permission [OK]
Common Mistakes:
- Assuming token auto-updates scopes
- Thinking authorization server revokes token on misuse
- Believing all operations allowed regardless of scope
Master "Authentication and Authorization" in Rest API
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