32 lines
1.3 KiB
Python
32 lines
1.3 KiB
Python
"""认证依赖"""
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import jwt
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from .config import JWT_SECRET, JWT_ALGORITHM
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security = HTTPBearer()
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def decode_current_user(token: str) -> dict:
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"""验证 JWT token，返回用户身份。"""
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try:
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payload = jwt.decode(token, JWT_SECRET, algorithms=[JWT_ALGORITHM])
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return {"username": payload["sub"], "is_admin": payload.get("is_admin", False)}
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except jwt.ExpiredSignatureError:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="登录已过期，请重新登录")
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except jwt.InvalidTokenError:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="无效的认证凭据")
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def get_current_user(credentials: HTTPAuthorizationCredentials = Depends(security)) -> dict:
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"""验证 HTTP Bearer JWT token，返回用户信息。"""
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return decode_current_user(credentials.credentials)
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def require_admin(user: dict = Depends(get_current_user)) -> dict:
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"""限制仅管理员可访问的管理和敏感配置接口。"""
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if not user.get("is_admin"):
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="需要管理员权限")
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return user
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