37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
 
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import hmac
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from cryptography.fernet import Fernet
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from fastapi import Depends, HTTPException
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from app.config import get_settings
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_bearer = HTTPBearer(auto_error=False)
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def _fernet() -> Fernet:
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key = get_settings().secret_key
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if not key:
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raise RuntimeError("SECRET_KEY не задан (ключ Fernet)")
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return Fernet(key.encode())
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def encrypt(value: str) -> str:
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return _fernet().encrypt(value.encode()).decode()
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def decrypt(token: str) -> str:
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return _fernet().decrypt(token.encode()).decode()
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def check_admin(user: str, password: str) -> bool:
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s = get_settings()
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ok_user = hmac.compare_digest(user.encode(), s.admin_user.encode())
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ok_pass = hmac.compare_digest(password.encode(), s.admin_password.encode())
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return ok_user and ok_pass
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def require_api_token(cred: HTTPAuthorizationCredentials | None = Depends(_bearer)) -> None:
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expected = get_settings().api_token
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if cred is None or not hmac.compare_digest(cred.credentials.encode(), expected.encode()):
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raise HTTPException(status_code=401, detail="Invalid or missing API token")
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