add bearerauth class

services/backend/config/auth.py

@@ -0,0 +1,27 @@
+import datetime
+from typing import Optional, Any
+
+import jwt
+from django.conf import settings
+from django.http import HttpRequest
+from ninja.security import HttpBearer
+
+from apps.users.models import User
+
+
+class BearerAuth(HttpBearer):
+    def authenticate(self, request: HttpRequest, token: str) -> Optional[Any]:
+        data = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
+        if data["exp"] < datetime.datetime.now().timestamp():
+            return None
+
+        user = User.objects.get(id=data["id"])
+        return user
+
+    @staticmethod
+    def generate_jwt(user: User) -> str:
+        data = {
+            "exp": (datetime.datetime.now() + datetime.timedelta(days=365)).timestamp(),
+            "id": user.id
+        }
+        return jwt.encode(data, settings.SECRET_KEY, algorithm="HS256")