JezK

Edit File: TemplateExportImport.php

<?php

/**
 * Manage dynamic form data api calls
 *
 * @package kirki
 */

namespace Kirki\Ajax;

use Kirki\ExportImport\TemplateExport;
use Kirki\ExportImport\TemplateImport;
use Kirki\HelperFunctions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}
class TemplateExportImport {

public static function export() {
		$is_assets_with = HelperFunctions::sanitize_text( isset( $_POST['is_assets_with'] ) ? $_POST['is_assets_with'] : false );
		$is_assets_with = $is_assets_with === 'true' ? true : false;

$only_published_pages = HelperFunctions::sanitize_text( isset( $_POST['only_published_pages'] ) ? $_POST['only_published_pages'] : true );
		$only_published_pages = $only_published_pages === 'false' ? false : true;

$te = new TemplateExport();
		$d  = $te->export( $is_assets_with, $only_published_pages );
		wp_send_json_success( $d );
	}

public static function import() {
		set_time_limit( 300 );
		$file       = $_FILES['file']; // zip file
		$upload_dir = wp_upload_dir();

$file_name  = $file['name'];
		$file_tmp   = $file['tmp_name'];
		$file_error = $file['error'];

$file_ext = explode( '.', $file_name ); // ['file', 'ext']
		$file_ext = strtolower( end( $file_ext ) ); // 'ext'

$allowed = array( 'zip' );

if ( in_array( $file_ext, $allowed ) ) {
			if ( $file_error === 0 ) {

$file_name_new    = uniqid( '', true ) . '.' . $file_ext; // 'random.ext'
				$file_destination = $upload_dir['basedir'] . '/' . $file_name_new;

global $wp_filesystem;
				if ( empty( $wp_filesystem ) ) {
					require_once ABSPATH . 'wp-admin/includes/file.php';
					WP_Filesystem();
				}

if ( $wp_filesystem->move( $file_tmp, $file_destination ) ) {

$ti     = new TemplateImport();
					$status = $ti->import( $file_destination, true );
					if ( $status && $status['status'] ) {
						wp_send_json_success( array( 'queue' => $status['queue'] ) );
					} else {
						wp_send_json_error( 'Failed to import template' );
					}
				} else {
					wp_send_json_error( 'Something went wrong' );
				}
			} else {
				wp_send_json_error( 'Zip File upload Failed' );
			}
		} else {
			wp_send_json_error( 'File type not allowed, Upload Kirki Exported Zip file' );
		}
	}

public static function import_using_url() {
		set_time_limit( 300 );
		$file_url     = HelperFunctions::sanitize_text( isset( $_POST['file_url'] ) ? $_POST['file_url'] : '' );
		$selectedMode = HelperFunctions::sanitize_text( isset( $_POST['selectedMode'] ) ? $_POST['selectedMode'] : 'default' );
		// Validate the URL to ensure it's a properly formatted and secure URL
		if ( empty( $file_url ) || ! HelperFunctions::is_safe_url( $file_url ) ) {
			wp_send_json_error( 'Invalid file URL', 400 );
		}

$ti     = new TemplateImport();
		$status = $ti->import( $file_url, true, $selectedMode );
		if ( $status && $status['status'] ) {
			wp_send_json_success(
				array(
					'queue'             => $status['queue'],
					'is_template_exits' => isset( $status['is_template_exits'] ) ? $status['is_template_exits'] : false,
					'template_info'     => $status['template_info'],
				)
			);
		} else {
			wp_send_json_error( 'Failed to import template' );
		}
	}

public static function check_existing_template_data() {
		$data = HelperFunctions::sanitize_text( isset( $_POST['data'] ) ? $_POST['data'] : '' );
		$data = json_decode( $data, true );

$ti     = new TemplateImport();
		$status = $ti->check_existing_template_data( $data );
		wp_send_json_success( $status );
	}

public static function processImport() {
		$t   = new TemplateImport();
		$res = $t->process();
		wp_send_json_success( $res );
	}

public static function processExport() {
		$t   = new TemplateExport();
		$res = $t->process();
		wp_send_json_success( $res );
	}
}