Recognize logged WP user in existing REST API

Question

I have a plugin using pre_get_post filter to hide posts depending on which user is logged. However the "parent page" selector in the WP "edit post" page uses a wp-json call to get existing pages.

This creates a big problem: logged user is not recognized and restricted posts are always hidden.

Is there a way to hook into those REST API calls (eg. wp-json/wp/v2/pages?context=edit) and pass the user nonce or any way to recognize the user?

I read a lot about the X-WP-Nonce parameter, but I'm not creating a new REST call. I need to hook in existing ones.

Answer 1

You can recognize a user by passing user-id

Example:

https://example.com/wp-json/wp/v2/posts?author=1

This author parameter will recognize author posts and return those