WP_REST_Global_Styles_Controller::get_theme_item_permissions_check( WP_REST_Request $request ): true|WP_Error

Source

public function get_theme_item_permissions_check( $request ) {
	/*
	 * Verify if the current user has edit_posts capability.
	 * This capability is required to view global styles.
	 */
	if ( current_user_can( 'edit_posts' ) ) {
		return true;
	}

	foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
		if ( current_user_can( $post_type->cap->edit_posts ) ) {
			return true;
		}
	}

	/*
	 * Verify if the current user has edit_theme_options capability.
	 */
	if ( current_user_can( 'edit_theme_options' ) ) {
		return true;
	}

	return new WP_Error(
		'rest_cannot_read_global_styles',
		__( 'Sorry, you are not allowed to access the global styles on this site.' ),
		array(
			'status' => rest_authorization_required_code(),
		)
	);
}

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