Composite permissions DRF
I have a view class inherited from RetrieveUpdateDestroyAPIView. I need to have different permission classes for different method so I am over writing get_permissions method but I'm getting error
TypeError: unsupported operand type(s) for |: 'IsSuperAdmin' and 'IsOwner.
views.py
class UserView(RetrieveUpdateDestroyAPIView):
queryset = User.objects.all()
serializer_class = UserSerializer
http_method_names = ['patch', 'get', 'delete']
def get_permissions(self):
if self.request.method == 'GET':
return [IsAuthenticated(), IsSuperAdmin()|IsOwner()|IsAdmin(), ]
elif self.request.method == 'DELETE':
return [IsAuthenticated(), IsSuperAdmin()|IsAdmin()]
else:
return [IsAuthenticated(), IsSuperAdmin()|IsAdmin()|IsOwner(), ]
permissions.py
class IsSuperAdmin(BasePermission):
message = "You must be super admin to perform requested operation"
def has_permission(self, request, view):
if request.user.role == "super_admin":
return True
return False
class IsAdmin(BasePermission):
message = "You must be admin to perform requested operation"
def has_permission(self, request, view):
if request.user.role == "admin":
return True
return False
class IsOwner(BasePermission):
message = "You must be owner of resource to perform requested operaton"
def has_object_permission(self, request, view, obj):
if obj.id == request.user.id:
return True
return False
You don't need to instanciate permissions classes, so the code
return [IsAuthenticated(), IsSuperAdmin()|IsOwner()|IsAdmin(), ]
Should be like
return [IsAuthenticated, IsSuperAdmin |IsOwner | IsAdmin ]
Cf the rest framework doc: https://www.django-rest-framework.org/api-guide/permissions/#setting-the-permission-policy