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fix(auth): API keys with Manage Library can curate library files (#1832)

require_ownership_permission gates API keys on `all_perm` only — the
comment at auth.py:1659 says OWN and ALL "both map to the same scope
flag" for queue / archives / etc., so checking `all_perm` is the
correct gate. Library deliberately broke that: LIBRARY_UPDATE_OWN /
LIBRARY_DELETE_OWN mapped to can_manage_library, but the ALL variants
were in _APIKEY_DENIED_PERMISSIONS. Result — every API-key request to
DELETE /library/files/{id}, PUT /library/files/{id} (rename), or
POST /library/files/move hit "administrative operations" 403, even
for keys with can_manage_library=True. Only slice worked, because it
doesn't go through require_ownership_permission.

The "ALL stays admin-only because it crosses the user boundary"
intent was internally inconsistent. API keys have no per-row
ownership identity (user=None), so the route's
`file.created_by_id != user.id` ownership check would AttributeError
on a key acting under OWN anyway — the only working path is
can_modify_all=True, which `all_perm` denial blocked outright.

Fix folds LIBRARY_UPDATE_ALL and LIBRARY_DELETE_ALL into
_APIKEY_SCOPE_BY_PERMISSION under can_manage_library, matching the
can_queue precedent (QUEUE_UPDATE_OWN and QUEUE_UPDATE_ALL both
map to can_queue for the same per-key-identity reason). Both removed
from _APIKEY_DENIED_PERMISSIONS. LIBRARY_PURGE stays denied — it
bypasses the soft-delete window and is genuinely destructive.
maziggy 2 mesiacov pred
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+ 0 - 0
CHANGELOG.md


+ 16 - 5
backend/app/core/auth.py

@@ -112,13 +112,21 @@ _APIKEY_SCOPE_BY_PERMISSION: dict[Permission, str] = {
     Permission.PRINTERS_AMS_RFID: "can_control_printer",
     Permission.PRINTERS_CLEAR_PLATE: "can_control_printer",
     Permission.SMART_PLUGS_CONTROL: "can_control_printer",
-    # can_manage_library — file-manager scope (upload/rename/delete OWN library
+    # can_manage_library — file-manager scope (upload/rename/delete library
     # entries + MakerWorld import which downloads files into the library).
-    # Bulk/ALL-ownership library ops (UPDATE_ALL / DELETE_ALL / PURGE) stay
-    # admin-only because they cross the user boundary.
+    # OWN and ALL ownership variants map to the same scope so the
+    # `require_ownership_permission` checker (which gates on `all_perm`)
+    # passes the API key through. This matches `can_queue` and the
+    # archives/inventory scopes — API keys have no per-row ownership identity
+    # (line 1663), so splitting OWN/ALL across allowlist/denylist made the
+    # whole library curation surface unreachable for API keys (#1832).
+    # LIBRARY_PURGE stays admin-only as a genuinely destructive op that
+    # bypasses the soft-delete window.
     Permission.LIBRARY_UPLOAD: "can_manage_library",
     Permission.LIBRARY_UPDATE_OWN: "can_manage_library",
+    Permission.LIBRARY_UPDATE_ALL: "can_manage_library",
     Permission.LIBRARY_DELETE_OWN: "can_manage_library",
+    Permission.LIBRARY_DELETE_ALL: "can_manage_library",
     Permission.MAKERWORLD_IMPORT: "can_manage_library",
     # can_manage_inventory — inventory write scope. Covers the documented
     # spool/catalog/forecast write surface AND the SpoolBuddy kiosk endpoints
@@ -183,8 +191,11 @@ _APIKEY_DENIED_PERMISSIONS: frozenset[Permission] = frozenset(
         Permission.ARCHIVES_DELETE_OWN,
         Permission.ARCHIVES_DELETE_ALL,
         Permission.ARCHIVES_PURGE,
-        Permission.LIBRARY_UPDATE_ALL,
-        Permission.LIBRARY_DELETE_ALL,
+        # LIBRARY_UPDATE_ALL / LIBRARY_DELETE_ALL moved to the allowlist
+        # under `can_manage_library` (#1832) — split between allow/deny made
+        # the whole library curation surface unreachable for API keys via
+        # `require_ownership_permission`. Purge stays denied as a genuinely
+        # destructive op.
         Permission.LIBRARY_PURGE,
         Permission.PROJECTS_CREATE,
         Permission.PROJECTS_UPDATE,

+ 9 - 2
backend/tests/integration/test_auth_apikey_rbac.py

@@ -300,9 +300,15 @@ class TestCheckApiKeyPermissionsMatrix:
         ("PRINTERS_CONTROL", "can_control_printer", "start/stop print"),
         ("PRINTERS_FILES", "can_control_printer", "send file to printer"),
         ("SMART_PLUGS_CONTROL", "can_control_printer", "smart plug on/off"),
-        # can_manage_library
+        # can_manage_library — OWN and ALL ownership variants both fold into
+        # the same scope (#1832): API keys have no per-row ownership identity,
+        # so splitting OWN/ALL across allowlist/denylist made the curation
+        # surface unreachable. PURGE stays admin-only.
         ("LIBRARY_UPLOAD", "can_manage_library", "upload library file"),
+        ("LIBRARY_UPDATE_OWN", "can_manage_library", "rename own library file"),
+        ("LIBRARY_UPDATE_ALL", "can_manage_library", "rename any library file"),
         ("LIBRARY_DELETE_OWN", "can_manage_library", "delete own library file"),
+        ("LIBRARY_DELETE_ALL", "can_manage_library", "delete any library file"),
         ("MAKERWORLD_IMPORT", "can_manage_library", "import from MakerWorld"),
         # can_manage_inventory
         ("INVENTORY_CREATE", "can_manage_inventory", "create spool record"),
@@ -321,7 +327,8 @@ class TestCheckApiKeyPermissionsMatrix:
         "FIRMWARE_UPDATE",
         # Unmapped administrative (allowlist fail-closed catches these too)
         "PRINTERS_CREATE",
-        "LIBRARY_DELETE_ALL",
+        # LIBRARY_DELETE_ALL / LIBRARY_UPDATE_ALL moved to can_manage_library
+        # under #1832 — covered by the _SCOPE_CASES matrix above.
         "LIBRARY_PURGE",
         "DISCOVERY_SCAN",
     ]

+ 134 - 0
backend/tests/integration/test_library_api.py

@@ -1349,6 +1349,140 @@ class TestLibraryPermissions:
         # Viewers don't have delete_own or delete_all permissions
         assert response.status_code == 403
 
+    # ---------- #1832: API-key curation under can_manage_library ----------
+    #
+    # require_ownership_permission gates API keys on `all_perm`, but the
+    # library deliberately split UPDATE_OWN/DELETE_OWN (allowed under
+    # can_manage_library) from UPDATE_ALL/DELETE_ALL (previously denied).
+    # That made the entire curation surface (DELETE, PUT rename, POST move)
+    # unreachable for API keys, including for files the key's owner uploaded.
+    # The fix folds UPDATE_ALL/DELETE_ALL into can_manage_library so the
+    # checker passes; LIBRARY_PURGE stays admin-only.
+
+    @pytest.fixture
+    async def manage_library_key(self, db_session, auth_setup):
+        """Mint an API key owned by the admin user with can_manage_library."""
+        from backend.app.core.auth import generate_api_key
+        from backend.app.models.api_key import APIKey
+
+        admin = auth_setup["admin_user"]
+        full_key, key_hash, key_prefix = generate_api_key()
+        row = APIKey(
+            name="lib-curation",
+            key_hash=key_hash,
+            key_prefix=key_prefix,
+            user_id=admin.id,
+            can_manage_library=True,
+        )
+        db_session.add(row)
+        await db_session.commit()
+        return full_key
+
+    @pytest.mark.asyncio
+    @pytest.mark.integration
+    async def test_apikey_with_manage_library_can_delete_file(
+        self, async_client: AsyncClient, db_session, auth_setup, test_file, manage_library_key
+    ):
+        """Pre-#1832 this 403'd with "administrative operations" because
+        LIBRARY_DELETE_ALL wasn't in _APIKEY_SCOPE_BY_PERMISSION."""
+        from pathlib import Path
+
+        from backend.app.core.config import settings as app_settings
+
+        # Materialise the file on disk so the delete handler doesn't 500 on
+        # the path it tries to unlink.
+        file_path = Path(app_settings.base_dir) / test_file.file_path
+        file_path.parent.mkdir(parents=True, exist_ok=True)
+        file_path.write_text("test content")
+
+        response = await async_client.delete(
+            f"/api/v1/library/files/{test_file.id}",
+            headers={"X-API-Key": manage_library_key},
+        )
+        assert response.status_code == 200, response.text
+
+    @pytest.mark.asyncio
+    @pytest.mark.integration
+    async def test_apikey_with_manage_library_can_rename_file(
+        self, async_client: AsyncClient, db_session, auth_setup, test_file, manage_library_key
+    ):
+        """PUT /library/files/{id} is gated on LIBRARY_UPDATE_ALL/OWN. Same
+        #1832 path as delete."""
+        response = await async_client.put(
+            f"/api/v1/library/files/{test_file.id}",
+            headers={"X-API-Key": manage_library_key},
+            json={"filename": "renamed.txt"},
+        )
+        assert response.status_code == 200, response.text
+        assert response.json()["filename"] == "renamed.txt"
+
+    @pytest.mark.asyncio
+    @pytest.mark.integration
+    async def test_apikey_with_manage_library_can_move_file(
+        self, async_client: AsyncClient, db_session, auth_setup, test_file, manage_library_key
+    ):
+        """POST /library/files/move (bulk) is gated on LIBRARY_UPDATE_ALL/OWN
+        — same checker, same #1832 path."""
+        # Create a target folder the move can land in.
+        from backend.app.models.library import LibraryFolder
+
+        folder = LibraryFolder(name="target")
+        db_session.add(folder)
+        await db_session.commit()
+        await db_session.refresh(folder)
+
+        response = await async_client.post(
+            "/api/v1/library/files/move",
+            headers={"X-API-Key": manage_library_key},
+            json={"file_ids": [test_file.id], "folder_id": folder.id},
+        )
+        assert response.status_code == 200, response.text
+
+    @pytest.mark.asyncio
+    @pytest.mark.integration
+    async def test_apikey_without_manage_library_still_blocked(
+        self, async_client: AsyncClient, db_session, auth_setup, test_file
+    ):
+        """Regression guard: a key WITHOUT can_manage_library must still get
+        403 — the fix widens the allowed-permission set, it doesn't bypass
+        the per-key scope check."""
+        from backend.app.core.auth import generate_api_key
+        from backend.app.models.api_key import APIKey
+
+        admin = auth_setup["admin_user"]
+        full_key, key_hash, key_prefix = generate_api_key()
+        row = APIKey(
+            name="read-only",
+            key_hash=key_hash,
+            key_prefix=key_prefix,
+            user_id=admin.id,
+            can_read_status=True,
+            can_manage_library=False,
+        )
+        db_session.add(row)
+        await db_session.commit()
+
+        response = await async_client.delete(
+            f"/api/v1/library/files/{test_file.id}",
+            headers={"X-API-Key": full_key},
+        )
+        assert response.status_code == 403
+
+    @pytest.mark.asyncio
+    @pytest.mark.integration
+    async def test_apikey_with_manage_library_still_cannot_purge(
+        self, async_client: AsyncClient, db_session, auth_setup, manage_library_key
+    ):
+        """LIBRARY_PURGE deliberately stays in _APIKEY_DENIED_PERMISSIONS as
+        a genuinely destructive op that bypasses the soft-delete window.
+        can_manage_library does NOT grant it."""
+        response = await async_client.post(
+            "/api/v1/library/purge",
+            headers={"X-API-Key": manage_library_key},
+            json={"days_in_trash": 30},
+        )
+        assert response.status_code == 403
+
 
 class TestPrintFileUploadValidation:
     """#1401: pre-flight rejection of unprintable uploads at the library +

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