Check user role before adding an access token

gistfile1.txt

add_action('wo_set_access_token', 'check_user_before_auth');
function check_user_before_auth( $info ) {

	if ( ! isset( $info['user_id'] ) ) {
		return;
	}

	$user_id = $info['user_id'];

	// Do query to checl the 
	$user = get_user_by( 'ID', $user_id );
	if ( in_array( 'subscriber', (array) $user->roles ) ) {
		wp_send_json( array(
			'status' => false,
			'error_description' => 'User not allowed'
		), 400 );
		exit;
	}
}