37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
from datetime import datetime, timedelta, timezone
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from jose import JWTError, jwt
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from app.config import settings
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from app.models.user import User
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security = HTTPBearer()
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def create_access_token(user_id: str) -> str:
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expire = datetime.now(timezone.utc) + timedelta(minutes=settings.jwt_expire_minutes)
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to_encode = {"sub": user_id, "exp": expire}
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return jwt.encode(to_encode, settings.jwt_secret_key, algorithm=settings.jwt_algorithm)
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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) -> User:
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token = credentials.credentials
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try:
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payload = jwt.decode(
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token, settings.jwt_secret_key, algorithms=[settings.jwt_algorithm]
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)
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user_id: str = payload.get("sub")
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if user_id is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="无效的认证信息")
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except JWTError:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Token已过期或无效")
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user = await User.get(user_id)
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if user is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="用户不存在")
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return user
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