42 lines
1.7 KiB
Python
42 lines
1.7 KiB
Python
from datetime import datetime, timedelta
|
|
from typing import Optional
|
|
from jose import JWTError, jwt
|
|
from passlib.context import CryptContext
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import OAuth2PasswordBearer
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
from sqlalchemy import select
|
|
from app.config import settings
|
|
from app.database import get_db
|
|
from app.models.user import User
|
|
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
|
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
|
|
|
|
def hash_password(password: str) -> str:
|
|
return pwd_context.hash(password)
|
|
|
|
def verify_password(plain: str, hashed: str) -> bool:
|
|
return pwd_context.verify(plain, hashed)
|
|
|
|
def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
|
|
to_encode = data.copy()
|
|
expire = datetime.utcnow() + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
|
|
to_encode.update({"exp": expire})
|
|
return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
|
|
|
|
async def get_current_user(token: str = Depends(oauth2_scheme), db: AsyncSession = Depends(get_db)) -> User:
|
|
credentials_exception = HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid credentials")
|
|
try:
|
|
payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
|
|
user_id: str = payload.get("sub")
|
|
if user_id is None:
|
|
raise credentials_exception
|
|
except JWTError:
|
|
raise credentials_exception
|
|
result = await db.execute(select(User).where(User.id == user_id))
|
|
user = result.scalar_one_or_none()
|
|
if user is None:
|
|
raise credentials_exception
|
|
return user
|