PTah
40 lines
1.3 KiB
Python
40 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 get_settings
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bearer_scheme = HTTPBearer(auto_error=False)
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def create_access_token(subject: str) -> str:
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settings = get_settings()
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expire = datetime.now(timezone.utc) + timedelta(minutes=settings.jwt_expire_minutes)
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payload = {"sub": subject, "exp": expire}
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return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
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def get_current_user(
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credentials: HTTPAuthorizationCredentials | None = Depends(bearer_scheme),
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) -> str:
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if credentials is None or credentials.scheme.lower() != "bearer":
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not authenticated",
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)
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settings = get_settings()
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try:
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payload = jwt.decode(
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credentials.credentials,
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settings.jwt_secret,
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algorithms=[settings.jwt_algorithm],
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)
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username = payload.get("sub")
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if not username:
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raise HTTPException(status_code=401, detail="Invalid token")
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return str(username)
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except JWTError as exc:
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raise HTTPException(status_code=401, detail="Invalid token") from exc
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