50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import os
|
|
|
|
from datetime import datetime, timedelta
|
|
from fastapi import Depends, HTTPException
|
|
from fastapi.security import OAuth2PasswordBearer
|
|
from jose import JWTError, jwt
|
|
from passlib.context import CryptContext
|
|
from tables import *
|
|
from sql import *
|
|
from functions import *
|
|
|
|
from dotenv import load_dotenv
|
|
|
|
load_dotenv()
|
|
|
|
secret_key = os.getenv("SECRET_KEY")
|
|
algo = os.getenv("ALGORITHM")
|
|
|
|
pwd_context = CryptContext(schemes=['bcrypt'], deprecated="auto")
|
|
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
|
|
|
|
def create_access_token(data: dict, expires_delta: timedelta | None = 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})
|
|
encoded_jwt = jwt.encode(to_encode, secret_key, algorithm=algo)
|
|
return encoded_jwt
|
|
|
|
async def get_current_user(session: SessionDep, token: str = Depends(oauth2_scheme)):
|
|
credential_exception = HTTPException(status_code=401, detail="Could not validate credentials", headers={"WWW-Authenticate": "Bearer"})
|
|
try:
|
|
payload = jwt.decode(token, secret_key, algorithms=[algo])
|
|
username: str = payload.get("sub")
|
|
if username is None:
|
|
raise credential_exception
|
|
|
|
token_data = TokenData(username=username)
|
|
except JWTError:
|
|
raise credential_exception
|
|
|
|
user = get_user_by_username(token_data.username, session)
|
|
if user is None:
|
|
raise credential_exception
|
|
|
|
return user |