92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
from datetime import datetime, timedelta
|
|
from typing import Optional
|
|
from passlib.context import CryptContext
|
|
from jose import JWTError, jwt
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
|
|
from app.config import settings
|
|
from app.models import User
|
|
from sqlalchemy.orm import Session
|
|
from app.database.database import get_db
|
|
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
|
security = HTTPBearer()
|
|
|
|
|
|
def verify_password(plain_password: str, hashed_password: str) -> bool:
|
|
return pwd_context.verify(plain_password, hashed_password)
|
|
|
|
|
|
def get_password_hash(password: str) -> str:
|
|
return pwd_context.hash(password)
|
|
|
|
|
|
def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
|
|
to_encode = data.copy()
|
|
if expires_delta:
|
|
expire = datetime.utcnow() + expires_delta
|
|
else:
|
|
expire = datetime.utcnow() + timedelta(
|
|
minutes=settings.access_token_expire_minutes
|
|
)
|
|
to_encode.update({"exp": expire})
|
|
encoded_jwt = jwt.encode(
|
|
to_encode, settings.jwt_secret_key, algorithm=settings.jwt_algorithm
|
|
)
|
|
return encoded_jwt
|
|
|
|
|
|
def verify_token(token: str) -> Optional[int]:
|
|
try:
|
|
payload = jwt.decode(
|
|
token, settings.jwt_secret_key, algorithms=[settings.jwt_algorithm]
|
|
)
|
|
user_id_str: str = payload.get("sub")
|
|
if user_id_str is None:
|
|
return None
|
|
# Convert string to integer
|
|
user_id = int(user_id_str)
|
|
return user_id
|
|
except JWTError as e:
|
|
return None
|
|
except (ValueError, TypeError) as e:
|
|
return None
|
|
except Exception as e:
|
|
return None
|
|
|
|
|
|
def authenticate_user(db: Session, email: str, password: str) -> Optional[User]:
|
|
user = db.query(User).filter(User.email == email).first()
|
|
if not user or not verify_password(password, user.hashed_password):
|
|
return None
|
|
return user
|
|
|
|
|
|
def get_current_user(
|
|
credentials: HTTPAuthorizationCredentials = Depends(security),
|
|
db: Session = Depends(get_db),
|
|
) -> User:
|
|
token = credentials.credentials
|
|
user_id = verify_token(token)
|
|
if user_id is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Invalid authentication credentials",
|
|
)
|
|
user = db.query(User).filter(User.id == user_id).first()
|
|
if user is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="User not found",
|
|
)
|
|
return user
|
|
|
|
|
|
def get_current_admin_user(current_user: User = Depends(get_current_user)) -> User:
|
|
if not current_user.is_admin:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_403_FORBIDDEN,
|
|
detail="Admin access required",
|
|
)
|
|
return current_user
|