anti
721122a7ef
Turn on mypy warn_return_any (pyproject) and resolve the 84 resulting [no-any-return] errors across 43 files with typing.cast() at the return sites — runtime no-ops that make the declared return type explicit where a dependency (SQLAlchemy scalar/first/one, httpx .json(), subprocess, docker SDK) hands back Any. No behavior change: no DTO/table field types altered, no validation/coercion calls added, every cast reflects the true runtime type. Locks in return-type strictness so the class of bug where a function silently widens to Any can't regress. mypy decnet/ clean; adversarially verified behavior-preserving (84 casts 1:1 with prior returns). Bump tornado 6.5.5 -> 6.5.7 (CVE-2026-49854, transitive via snakeviz).
208 lines
8.0 KiB
Python
208 lines
8.0 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Canary blob/token CRUD + trigger ingestion."""
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from __future__ import annotations
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import json
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from datetime import datetime, timezone
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from typing import Any, Optional, cast
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from sqlalchemy import desc, func, select, update
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from decnet.web.db.models import CanaryBlob, CanaryToken, CanaryTrigger
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from decnet.web.db.sqlmodel_repo._helpers import _MixinBase
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class CanaryMixin(_MixinBase):
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"""Mixin: composed onto ``SQLModelRepository``."""
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async def upsert_canary_blob(self, data: dict[str, Any]) -> dict[str, Any]:
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sha = data.get("sha256")
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if not sha:
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raise ValueError("upsert_canary_blob: sha256 is required")
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async with self._session() as session:
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existing = await session.execute(
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select(CanaryBlob).where(CanaryBlob.sha256 == sha)
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)
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row = existing.scalar_one_or_none()
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if row:
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return cast(dict[str, Any], row.model_dump(mode="json"))
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row = CanaryBlob(**data)
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return row.model_dump(mode="json")
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async def get_canary_blob(self, uuid: str) -> Optional[dict[str, Any]]:
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async with self._session() as session:
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result = await session.execute(
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select(CanaryBlob).where(CanaryBlob.uuid == uuid)
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)
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row = result.scalar_one_or_none()
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return row.model_dump(mode="json") if row else None
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async def get_canary_blob_by_sha256(
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self, sha256: str
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) -> Optional[dict[str, Any]]:
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async with self._session() as session:
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result = await session.execute(
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select(CanaryBlob).where(CanaryBlob.sha256 == sha256)
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)
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row = result.scalar_one_or_none()
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return row.model_dump(mode="json") if row else None
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async def list_canary_blobs(self) -> list[dict[str, Any]]:
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# One round-trip: outer-join blobs -> tokens, group by blob, count
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# live (non-revoked) references. Revoked tokens still occupy the
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# blob conceptually until garbage-collected, so we count them too;
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# the operator deletes blobs explicitly via the API.
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async with self._session() as session:
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stmt = (
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select(CanaryBlob, func.count(CanaryToken.uuid))
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.join(
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CanaryToken,
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CanaryToken.blob_uuid == CanaryBlob.uuid,
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isouter=True,
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)
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.group_by(CanaryBlob.uuid)
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.order_by(desc(CanaryBlob.uploaded_at))
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)
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result = await session.execute(stmt)
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out: list[dict[str, Any]] = []
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for blob, count in result.all():
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d = blob.model_dump(mode="json")
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d["token_count"] = int(count or 0)
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out.append(d)
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return out
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async def delete_canary_blob(self, uuid: str) -> bool:
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async with self._session() as session:
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ref = await session.execute(
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select(func.count(CanaryToken.uuid)).where(
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CanaryToken.blob_uuid == uuid
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)
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)
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if (ref.scalar_one() or 0) > 0:
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return False
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result = await session.execute(
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select(CanaryBlob).where(CanaryBlob.uuid == uuid)
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)
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row = result.scalar_one_or_none()
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if not row:
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return False
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await session.delete(row)
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await session.commit()
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return True
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async def create_canary_token(self, data: dict[str, Any]) -> None:
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async with self._session() as session:
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session.add(CanaryToken(**data))
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await session.commit()
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async def get_canary_token(self, uuid: str) -> Optional[dict[str, Any]]:
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async with self._session() as session:
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result = await session.execute(
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select(CanaryToken).where(CanaryToken.uuid == uuid)
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)
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row = result.scalar_one_or_none()
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return row.model_dump(mode="json") if row else None
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async def get_canary_token_by_slug(
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self, callback_token: str
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) -> Optional[dict[str, Any]]:
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async with self._session() as session:
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result = await session.execute(
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select(CanaryToken).where(
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CanaryToken.callback_token == callback_token,
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CanaryToken.state == "planted",
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)
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)
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row = result.scalar_one_or_none()
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return row.model_dump(mode="json") if row else None
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async def list_canary_tokens(
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self,
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*,
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decky_name: Optional[str] = None,
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state: Optional[str] = None,
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kind: Optional[str] = None,
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topology_id: Optional[str] = None,
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) -> list[dict[str, Any]]:
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async with self._session() as session:
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stmt = select(CanaryToken)
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if decky_name is not None:
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stmt = stmt.where(CanaryToken.decky_name == decky_name)
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if state is not None:
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stmt = stmt.where(CanaryToken.state == state)
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if kind is not None:
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stmt = stmt.where(CanaryToken.kind == kind)
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if topology_id is not None:
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stmt = stmt.where(CanaryToken.topology_id == topology_id)
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stmt = stmt.order_by(desc(CanaryToken.placed_at))
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result = await session.execute(stmt)
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return [r.model_dump(mode="json") for r in result.scalars().all()]
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async def update_canary_token_state(
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self,
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uuid: str,
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state: str,
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last_error: Optional[str] = None,
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) -> bool:
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async with self._session() as session:
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result = await session.execute(
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update(CanaryToken)
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.where(CanaryToken.uuid == uuid)
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.values(state=state, last_error=last_error)
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)
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await session.commit()
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return cast(bool, result.rowcount > 0)
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async def record_canary_trigger(self, data: dict[str, Any]) -> str:
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# Persist the trigger row + bump the token's counters in the same
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# session so a subscriber that reads the token row right after
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# receiving the bus event sees the updated count.
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headers = data.get("raw_headers")
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if isinstance(headers, dict):
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data = {**data, "raw_headers": json.dumps(headers)}
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async with self._session() as session:
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row = CanaryTrigger(**data)
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session.add(row)
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ts = data.get("occurred_at") or datetime.now(timezone.utc)
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await session.execute(
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update(CanaryToken)
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.where(CanaryToken.uuid == row.token_uuid)
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.values(
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last_triggered_at=ts,
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trigger_count=CanaryToken.trigger_count + 1,
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)
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)
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await session.commit()
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await session.refresh(row)
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return row.uuid
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async def list_canary_triggers(
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self, token_uuid: str, *, limit: int = 100, offset: int = 0,
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) -> list[dict[str, Any]]:
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async with self._session() as session:
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stmt = (
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select(CanaryTrigger)
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.where(CanaryTrigger.token_uuid == token_uuid)
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.order_by(desc(CanaryTrigger.occurred_at))
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.limit(limit)
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.offset(offset)
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)
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result = await session.execute(stmt)
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return [r.model_dump(mode="json") for r in result.scalars().all()]
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async def attribute_canary_trigger(
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self, trigger_uuid: str, attacker_id: str,
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) -> bool:
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async with self._session() as session:
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result = await session.execute(
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update(CanaryTrigger)
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.where(CanaryTrigger.uuid == trigger_uuid)
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.values(attacker_id=attacker_id)
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)
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await session.commit()
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return cast(bool, result.rowcount > 0)
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