Ubuntu
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# app/auth.py
|
|
from datetime import datetime, timedelta
|
|
from typing import Optional
|
|
from jose import JWTError, jwt
|
|
import bcrypt
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
|
|
from sqlalchemy.orm import Session
|
|
from app.config import get_settings
|
|
from app.database import get_db
|
|
from app.models.admin import Admin
|
|
|
|
settings = get_settings()
|
|
security = HTTPBearer()
|
|
|
|
|
|
def verify_password(plain_password: str, hashed_password: str) -> bool:
|
|
return bcrypt.checkpw(plain_password.encode('utf-8'), hashed_password.encode('utf-8'))
|
|
|
|
|
|
def get_password_hash(password: str) -> str:
|
|
return bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')
|
|
|
|
|
|
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, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
|
|
return encoded_jwt
|
|
|
|
|
|
def decode_token(token: str) -> Optional[dict]:
|
|
try:
|
|
payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
|
|
return payload
|
|
except JWTError:
|
|
return None
|
|
|
|
|
|
async def get_current_admin(
|
|
credentials: HTTPAuthorizationCredentials = Depends(security),
|
|
db: Session = Depends(get_db)
|
|
) -> Admin:
|
|
token = credentials.credentials
|
|
payload = decode_token(token)
|
|
|
|
if payload is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Invalid authentication credentials",
|
|
headers={"WWW-Authenticate": "Bearer"},
|
|
)
|
|
|
|
username: str = payload.get("sub")
|
|
if username is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Invalid authentication credentials",
|
|
headers={"WWW-Authenticate": "Bearer"},
|
|
)
|
|
|
|
admin = db.query(Admin).filter(Admin.username == username).first()
|
|
if admin is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="User not found",
|
|
headers={"WWW-Authenticate": "Bearer"},
|
|
)
|
|
|
|
return admin
|
|
|
|
|
|
async def get_optional_admin(
|
|
credentials: Optional[HTTPAuthorizationCredentials] = Depends(security),
|
|
db: Session = Depends(get_db)
|
|
) -> Optional[Admin]:
|
|
if not credentials:
|
|
return None
|
|
try:
|
|
return await get_current_admin(credentials, db)
|
|
except HTTPException:
|
|
return None
|