Enforce authorization in nested and batch partner operations
The parent resource is authorized, but nested record IDs bypass tenant checks.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Authorization · API consistency
Estimated field mix
- Security70%
- API design30%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional operations platform lets customers connect automation clients. Broad API keys and inconsistent tenant checks make delegated access difficult to review.
Setup prerequisites
- Create a local authorization service and synthetic partner clients for two organizations; generate disposable test credentials only.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Reauthorize every nested resource at the service boundary.
- Define atomic or per-item denial behavior.
- Prevent unauthorized items from influencing result totals.
Implementation constraints
- Client-supplied parent-child relationships are untrusted.
Verification to include
- Process a valid nested update.
- Insert a foreign child ID and verify the declared denial behavior.
Deliverables
- Nested authorization regression.
Rollout and recovery
Gate batch rollout on cross-tenant and relationship checks.
Value of the work
For the engineer: Practice delegated authorization, resource scoping, and secure public API ergonomics.
For the team: Provide usable partner access that remains least-privilege and revocable.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.