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nestjs-security-isolation

Enforce multi-tenant isolation and PostgreSQL Row Level Security in NestJS. Use when enforcing tenant isolation or PostgreSQL RLS in NestJS multi-tenant apps.

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含まれるファイル(5)

  • SKILL.md2.1 KB
  • evals/evals.json2.3 KB
  • references/auth-logic.md1.0 KB
  • references/implementation-patterns.md1.1 KB
  • references/rls-patterns.md923 B

SKILL.md(原文)

インストールする前に、エージェントに与えられる指示の中身を確認できます。

Priority: P0 (CRITICAL)

Strict multi-tenant isolation. All child-centric data must secured via PostgreSQL RLS and service-level validation.

RLS Enforcement Workflow

  1. Migration: Create tables with ENABLE ROW LEVEL SECURITY. Define policies using current_setting('app.current_user_id').
  2. Entity Logic: Add @Security JSDoc to entity class.
  3. Security Doc: Update SECURITY.md with new table and its access logic.
  4. Service Validation: Call childrenService.validateChildAccess(childId, userId) before any persistence operation.

Core Guidelines

  1. Mandatory RLS: Every new table linking to child or family MUST RLS enabled in its creation migration.
  2. Centralized Validation: Never reimplement access logic. Use ChildrenService for child/family membership checks.
  3. Traceable Security: SECURITY.md source of truth. Any change to RLS policies must reflected there immediately.
  4. Nested Route Constraint: Data isolation enforced at controller level via nested routes: /children/:childId/....
  5. No Direct Entity exposure: Use Response DTOs to prevent leaking internal database IDs or metadata that could circumvent security checks.

Anti-Patterns

  • No Public Tables: Don't create child-linked tables without RLS.
  • No Manual Policy Checks: Don't write raw SQL access checks in services. Use centralized validator.
  • No Stale Docs: Don't merge RLS changes without updating SECURITY.md and entity JSDoc.
  • No Root IDs: Don't use /domain/:id for child data. Always scope by :childId.

References

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