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rose-ash/shared/infrastructure/auth_redis.py
giles 580f551700
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Split databases and Redis — prepare infrastructure for per-domain isolation
Redis: per-app DB index (0-5) with shared auth DB 15 for SSO keys;
flushdb replaces flushall so deploys don't wipe cross-app auth state.

Postgres: drop 13 cross-domain FK constraints (migration v2t0p8q9r0),
remove dead ORM relationships, add explicit joins for 4 live ones.
Multi-engine sessions (account + federation) ready for per-domain DBs
via DATABASE_URL_ACCOUNT / DATABASE_URL_FEDERATION env vars.

All URLs initially point to the same appdb — zero behaviour change
until split-databases.sh is run to migrate data to per-domain DBs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-25 02:20:34 +00:00

38 lines
1.0 KiB
Python

"""Shared auth Redis connection (DB 15).
All cross-app auth keys live here so that per-app FLUSHDB on deploy
doesn't wipe SSO state:
- did_auth:{device_id} — login signal timestamp
- grant:{grant_token} — grant validity cache (ok/revoked)
- prompt:{app}:{device_id} — prompt=none cooldown
"""
from __future__ import annotations
import os
from redis import asyncio as aioredis
_AUTH_REDIS_URL = os.getenv("REDIS_AUTH_URL", "redis://redis:6379/15")
_auth_redis: aioredis.Redis | None = None
async def get_auth_redis() -> aioredis.Redis:
"""Return the shared auth Redis connection (lazy init)."""
global _auth_redis
if _auth_redis is None:
_auth_redis = aioredis.Redis.from_url(
_AUTH_REDIS_URL,
encoding="utf-8",
decode_responses=False,
)
return _auth_redis
async def close_auth_redis() -> None:
"""Close the auth Redis connection (call on app shutdown)."""
global _auth_redis
if _auth_redis is not None:
await _auth_redis.close()
_auth_redis = None