mirror of
https://github.com/fastapi-users/fastapi-users.git
synced 2025-08-15 19:30:47 +08:00
42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
import secrets
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from typing import Generic, Optional
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import aioredis
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from pydantic import UUID4
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from fastapi_users import models
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from fastapi_users.authentication.strategy.base import Strategy
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from fastapi_users.manager import BaseUserManager, UserNotExists
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class RedisStrategy(Strategy, Generic[models.UP]):
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def __init__(self, redis: aioredis.Redis, lifetime_seconds: Optional[int] = None):
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self.redis = redis
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self.lifetime_seconds = lifetime_seconds
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async def read_token(
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self, token: Optional[str], user_manager: BaseUserManager[models.UP]
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) -> Optional[models.UP]:
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if token is None:
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return None
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user_id = await self.redis.get(token)
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if user_id is None:
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return None
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try:
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user_uiid = UUID4(user_id)
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return await user_manager.get(user_uiid)
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except ValueError:
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return None
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except UserNotExists:
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return None
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async def write_token(self, user: models.UP) -> str:
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token = secrets.token_urlsafe()
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await self.redis.set(token, str(user.id), ex=self.lifetime_seconds)
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return token
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async def destroy_token(self, token: str, user: models.UP) -> None:
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await self.redis.delete(token)
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