Artem Kashaev
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
import uuid
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from datetime import UTC, datetime, timedelta
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from typing import Annotated
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import jwt
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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 pwdlib import PasswordHash
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from app.core import settings
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from app.db import get_db
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from app.models import User
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password_hash = PasswordHash.recommended()
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bearer = HTTPBearer(auto_error=False)
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def hash_password(password: str) -> str:
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return password_hash.hash(password)
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def verify_password(password: str, hashed: str) -> bool:
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return password_hash.verify(password, hashed)
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def create_access_token(user: User) -> str:
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expires_at = datetime.now(UTC) + timedelta(minutes=settings.access_token_ttl_minutes)
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payload = {"sub": str(user.id), "email": user.email, "exp": expires_at}
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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: Annotated[HTTPAuthorizationCredentials | None, Depends(bearer)],
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db: Annotated[Session, Depends(get_db)],
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) -> User:
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if credentials is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Missing bearer token")
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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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user_id = uuid.UUID(payload["sub"])
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except Exception as exc:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token",
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) from exc
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user = db.scalar(select(User).where(User.id == user_id))
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if not user:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found")
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return user
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