Is it possible to get the user id through openaApi without authorization in the application?

Question

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Hello, I'm doing a simple thing: there is a subscription widget, if the user is subscribed to the community, I don't want to display it. The method
VK.Auth.getLoginStatus(authInfo);
only works for users registered in my app. Is there any other way to determine the user id?
Thanks

Answer 1

They answered me in those VK support - yes, it’s really impossible

Answer 2

As far as I know, there is no legal way to find out the VKontakte ID of a random site visitor.