feat: 6.2 Создать модуль app/core/deps.py:

app/core/deps.py

@@ -0,0 +1,43 @@
+from fastapi import Depends, Header, HTTPException, status
+from sqlalchemy.orm import Session
+
+from app.core.jwt import decode_token
+from app.db import get_db
+from app.models import User
+
+
+# Читает заголовок Authorization: Bearer <token>,
+# декодирует, ищет пользователя по sub, проверяет is_active;
+# при ошибке бросает HTTPException(401);
+def get_current_user(
+    authorization: str | None = Header(default=None),
+    db: Session = Depends(get_db),
+) -> User:
+    if not authorization or not authorization.lower().startswith("bearer "):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail="Authentication required"
+        )
+    token = authorization.split(" ", 1)[1]
+    try:
+        payload = decode_token(token)
+    except ValueError as exc:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token"
+        ) from exc
+
+    sub = payload.get("sub")
+    user = db.get(User, int(sub)) if isinstance(sub, str) and sub.isdigit() else None
+    if user is None or not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token"
+        )
+    return user
+
+
+# обёртка над get_current_user, дополнительно проверяет is_admin, иначе HTTPException(403)
+def require_admin(user: User = Depends(get_current_user)) -> User:
+    if not user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="Admin privileges required"
+        )
+    return user