ecom-ljbv7w/core/auth.py
2025-04-29 09:45:09 +00:00

54 lines
1.7 KiB
Python

from fastapi import Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer
from jose import JWTError, jwt
from datetime import datetime, timedelta
from passlib.context import CryptContext
from models.user import User
from core.database import get_db
from sqlalchemy.orm import Session
from typing import Optional
# OAuth2 scheme
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="login")
# Password hashing
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
SECRET_KEY = "demo-secret-key"
ALGORITHM = "HS256"
def get_password_hash(password: str):
return pwd_context.hash(password)
def verify_password(plain_password: str, hashed_password: str):
return pwd_context.verify(plain_password, hashed_password)
def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
to_encode = data.copy()
if expires_delta:
expire = datetime.utcnow() + expires_delta
else:
expire = datetime.utcnow() + timedelta(minutes=15)
to_encode.update({"exp": expire})
return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
async def get_current_user_demo(
token: str = Depends(oauth2_scheme),
db: Session = Depends(get_db)
):
credentials_exception = HTTPException(
status_code=401,
detail="Could not validate credentials"
)
try:
payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
user_id: str = payload.get("sub")
if user_id is None:
raise credentials_exception
except JWTError:
raise credentials_exception
user = db.query(User).filter(User.id == user_id).first()
if not user:
raise credentials_exception
return user