68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
from __future__ import annotations
|
|
|
|
import os
|
|
from datetime import datetime, timedelta, timezone
|
|
|
|
from fastapi import Depends, HTTPException
|
|
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
|
|
from jose import JWTError, jwt
|
|
from passlib.context import CryptContext
|
|
from sqlalchemy.orm import Session
|
|
|
|
from backend.db import get_db
|
|
from backend.models import User
|
|
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
|
bearer = HTTPBearer(auto_error=False)
|
|
|
|
|
|
def _env(name: str, default: str) -> str:
|
|
value = os.getenv(name)
|
|
return value if value else default
|
|
|
|
|
|
JWT_SECRET = _env("JWT_SECRET", "change-me")
|
|
JWT_ALG = _env("JWT_ALG", "HS256")
|
|
JWT_EXPIRES_MINUTES = int(_env("JWT_EXPIRES_MINUTES", "480")) # 8h
|
|
|
|
|
|
def hash_password(password: str) -> str:
|
|
return pwd_context.hash(password)
|
|
|
|
|
|
def verify_password(password: str, password_hash: str) -> bool:
|
|
return pwd_context.verify(password, password_hash)
|
|
|
|
|
|
def create_access_token(*, user_id: str) -> str:
|
|
now = datetime.now(timezone.utc)
|
|
payload = {
|
|
"sub": user_id,
|
|
"iat": int(now.timestamp()),
|
|
"exp": int((now + timedelta(minutes=JWT_EXPIRES_MINUTES)).timestamp()),
|
|
}
|
|
return jwt.encode(payload, JWT_SECRET, algorithm=JWT_ALG)
|
|
|
|
|
|
def get_current_user(
|
|
creds: HTTPAuthorizationCredentials | None = Depends(bearer),
|
|
db: Session = Depends(get_db),
|
|
) -> User:
|
|
if creds is None or not creds.credentials:
|
|
raise HTTPException(status_code=401, detail="Not authenticated")
|
|
token = creds.credentials
|
|
|
|
try:
|
|
payload = jwt.decode(token, JWT_SECRET, algorithms=[JWT_ALG])
|
|
user_id = payload.get("sub")
|
|
if not user_id:
|
|
raise HTTPException(status_code=401, detail="Invalid token")
|
|
except JWTError:
|
|
raise HTTPException(status_code=401, detail="Invalid token")
|
|
|
|
user = db.get(User, user_id)
|
|
if not user or not user.is_active:
|
|
raise HTTPException(status_code=401, detail="User inactive or not found")
|
|
return user
|
|
|