Initial commit: Базовая структура сайта

backend/app/core/security.py

@@ -0,0 +1,74 @@
+"""
+Модуль безопасности: JWT, хеширование паролей
+"""
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.orm import Session
+from app.core.config import settings
+from app.core.database import get_service_db
+from app.models.service_db import AppUser
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+security = HTTPBearer()
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Проверка пароля"""
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Хеширование пароля"""
+    return pwd_context.hash(password)
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    """Создание JWT токена"""
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.JWT_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
+
+
+async def get_current_user(
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    db: Session = Depends(get_service_db)
+) -> AppUser:
+    """Получение текущего пользователя из JWT токена"""
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Не удалось проверить учетные данные",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        token = credentials.credentials
+        payload = jwt.decode(token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
+        user_id: int = payload.get("sub")
+        if user_id is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+
+    user = db.query(AppUser).filter(AppUser.id == user_id, AppUser.is_active == True).first()
+    if user is None:
+        raise credentials_exception
+    return user
+
+
+async def get_admin_user(current_user: AppUser = Depends(get_current_user)) -> AppUser:
+    """Проверка, что пользователь является администратором"""
+    if current_user.role.role_name != "Admin":
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Недостаточно прав доступа"
+        )
+    return current_user
+