Sergey Vanyushkin 184b95969c feat(auth): implement Keycloak authentication with RBAC and pagination ...

Major changes:
- Add Keycloak integration via token introspection endpoint
- Implement RBAC system with roles: admin, user, guest
- Add role-based permissions for post operations
- Add pagination support (default limit: 10) to list endpoints
- Add published_only filter with admin-only override for unpublished posts

Security improvements:
- Remove hardcoded default secrets (SECRET_KEY, KEYCLOAK_CLIENT_SECRET)
- Update .env.example with proper security placeholders
- Add comprehensive RBAC unit tests

Infrastructure:
- Add httpx dependency for HTTP client
- Add KeycloakAuthClient with token caching (TTL: 60s)
- Add role-based dependencies (RequireAdmin, RequireUser, etc.)
- Update DI container with Keycloak provider

Endpoints updated:
- GET /posts: filter by published status (admin can see all)
- Add pagination params (limit, offset) to list endpoints
- Enforce RBAC on post operations

Tests:
- Add 16 auth infrastructure tests
- Add 13 RBAC role tests
- Update existing tests for new required settings

Breaking changes:
- SECRET_KEY and KEYCLOAK_CLIENT_SECRET now required (no defaults)

2026-05-02 11:21:45 +03:00

8.4 KiB

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