Files
sso/backend/auth_utils.py
2026-01-25 16:20:59 +01:00

70 lines
2.7 KiB
Python

from passlib.context import CryptContext
from datetime import datetime, timedelta
from typing import Optional
from jose import JWTError, jwt
from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from sqlalchemy.orm import Session
from . import models, schemas, database
# Configuration
SECRET_KEY = "ASF_SSO_SUPER_SECRET_KEY_CHANGE_THIS_IN_PROD"
ALGORITHM = "HS256"
ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24 # 1 day
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
def verify_password(plain_password, hashed_password):
return pwd_context.verify(plain_password, hashed_password)
def get_password_hash(password):
return pwd_context.hash(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})
encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
return encoded_jwt
async def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(database.get_db)):
credentials_exception = HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
try:
print(f"DEBUG AUTH: Decoding token: {token[:10]}...")
payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
username: str = payload.get("sub")
print(f"DEBUG AUTH: Username from token: {username}")
if username is None:
print("DEBUG AUTH: Username is None")
raise credentials_exception
token_data = schemas.TokenData(username=username)
except JWTError as e:
print(f"DEBUG AUTH: JWTError: {e}")
raise credentials_exception
user = db.query(models.User).filter(models.User.username == token_data.username).first()
if user is None:
print(f"DEBUG AUTH: User {token_data.username} not found in DB")
# Dump all users to see what happened
all_users = db.query(models.User).all()
print("DEBUG AUTH: Current users in DB:")
for u in all_users:
print(f" - ID: {u.id}, Username: '{u.username}', Email: '{u.email}'")
raise credentials_exception
print(f"DEBUG AUTH: User found: {user.username}, Is Admin: {user.is_admin}")
return user
async def get_current_admin_user(current_user: models.User = Depends(get_current_user)):
if not current_user.is_admin:
raise HTTPException(status_code=400, detail="Inactive user or not admin")
return current_user