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* feat(authz): enforce model authorization at Gateway routes and runtime (#4063 Phase 3) Phase 3 / Models — the first of three resource-type PRs (Models, Skills, Sandbox). The RBAC provider already maps "model" → config key "models" (rbac.py _RESOURCE_POLICY_KEYS), so no schema change is needed. Gateway route layer (mirrors Phase 2A): - resolve_model_authorization() in authz.py returns (provider, principal), reusing _get_cached_route_provider and build_principal_from_context, including the INTERNAL_SYSTEM_ROLE → None pop for internal callers. - list_models filters via provider.filter_resources(principal, "model", names). - get_model checks provider.authorize("model", "use"). Deny → 403 (not 404, since the model exists but the role lacks permission). Runtime resolution layer (mirrors Phase 1B): - _authorize_model_name() in agent.py runs after _resolve_model_name. On deny, falls back to the first allowed model (RFC §9: graceful, not crash). All models denied + fail_closed → ValueError (matches existing contract). authorization.enabled: false is a complete no-op on both layers. Anonymous requests (user=None) bypass filtering. 18 new tests + 314 existing tests pass. * fix(authz): enforce model:use on the embedded DeerFlowClient path (Phase 3 follow-up) Round 4 review (willem-bd): _authorize_model_name only covered the Gateway runtime path (_make_lead_agent). The parallel lead-agent construction path DeerFlowClient._ensure_agent (client.py) filtered tools but not the model, so a library/embedded consumer with role-scoped model policies could run a model the role is denied model:use for. - Insert _authorize_model_name in _ensure_agent, mirroring _make_lead_agent. - Resolve None default to the first configured model before the gate so the implicit default (create_chat_model(name=None)) is also authorized. - Update test_authorization_filters_framework_tools_and_reuses_provider: the stub provider now returns an allow decision for model:use (checked during assembly) and patches resolve_authorization_provider in the agent namespace. - Add 3 DeerFlowClient._ensure_agent path tests (real-path fallback, None-default resolution, disabled no-op); 24 tests total. * docs(authz): document get_model provider-unavailable fail-open path + test zhfeng review (round 5): get_model's docstring only mentioned the deny→403 path, not the provider-resolution-error + fail-open path (which allows the request, mirroring list_models's documented fail-open semantics). The behavior itself is correct and symmetric with list_models, but it was undocumented and the _AuthorizationUnavailable path had no test coverage. - Extend get_model docstring to state the provider-error fail-closed/fail-open outcome, matching list_models's wording. - Add test_get_model_provider_unavailable_fail_closed_vs_open exercising the _AuthorizationUnavailable path (provider cannot be resolved at all), pinning fail-closed→403 / fail-open→200. --------- Co-authored-by: Willem Jiang <willem.jiang@gmail.com> |
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| agents | ||
| plans | ||
| pr-evidence | ||
| superpowers | ||
| tui | ||
| CODE_CHANGE_SUMMARY_BY_FILE.md | ||
| OPENVIKING.md | ||
| SKILL_NAME_CONFLICT_FIX.md | ||