60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from sqlalchemy.orm import Session
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import schemas
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import models
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import crud
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from database import get_db
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from password_utils import verify_password
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# Константы для JWT
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SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7" # В реальном приложении используйте os.environ.get
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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# Инициализация OAuth2PasswordBearer для получения токена из запроса
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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def authenticate_admin(db: Session, username: str, password: str):
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"""Аутентификация админа"""
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admin = crud.get_admin_by_username(db, username)
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if not admin:
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return False
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if not verify_password(password, admin.hashed_password):
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return False
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return admin
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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"""Создаёт JWT токен"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def get_current_admin(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)):
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"""Получает текущего админа из токена"""
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Некорректные учетные данные",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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token_data = schemas.TokenData(username=username)
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except JWTError:
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raise credentials_exception
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admin = crud.get_admin_by_username(db, username=token_data.username)
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if admin is None:
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raise credentials_exception
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return admin
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