<?php

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/**

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* importing/erasing contents of the theme

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*

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* @package Themify

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*/

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defined('ABSPATH') || exit;

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class Themify_Import_Helper {

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const DEMO_KEY = 'tf_demo';

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public static function init() {

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add_action('wp_ajax_themify_import_terms', array(__CLASS__, 'import_ajax_terms'));

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add_action('wp_ajax_themify_import_posts', array(__CLASS__, 'import_ajax_posts'));

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add_action('wp_ajax_themify_import_theme_data', array(__CLASS__, 'import_ajax_theme_data'));

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add_action('wp_ajax_themify_upload_image', array(__CLASS__, 'import_ajax_image'));

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add_action('wp_ajax_themify_import_gallery', array(__CLASS__, 'import_ajax_post_gallery'));

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add_action('wp_ajax_themify_erase_content', array(__CLASS__, 'erase_demo'));

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}

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public static function import_ajax_posts() {

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check_ajax_referer('tf_nonce', 'nonce');

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if (current_user_can('import')) {

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if (isset($_POST['data'])) {

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$posts = stripslashes_deep($_POST['data']);

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} elseif (isset($_FILES['data'])) {

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$posts = file_get_contents($_FILES['data']['tmp_name']);

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}

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if (!empty($posts)) {

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self::set_time_limit();

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self::raise_memory_limit();

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$posts = json_decode($posts, true);

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$skinId = !empty($_POST['id']) ? $_POST['id'] : 'default';

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$ids = array();

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foreach ($posts as $post) {

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$id = self::import_post($post, $skinId);

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if (is_numeric($id) && $post['post_type'] !== 'tbp_template') {

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self::set_import_id($post['ID'], $id, 'post', $skinId);

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}

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$ids[$post['ID']] = $id;

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}

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if (!empty($ids)) {

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wp_send_json_success($ids);

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}

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}

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}

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wp_send_json_error();

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}

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public static function import_ajax_terms() {

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check_ajax_referer('tf_nonce', 'nonce');

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if (current_user_can('import')) {

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if (isset($_POST['data'])) {

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$terms = stripslashes_deep($_POST['data']);

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} elseif (isset($_FILES['data'])) {

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$terms = file_get_contents($_FILES['data']['tmp_name']);

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}

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if (!empty($terms)) {

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self::set_time_limit();

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self::raise_memory_limit();

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$terms = json_decode($terms, true);

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$skinId = !empty($_POST['id']) ? $_POST['id'] : 'default';

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$ids = array();

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foreach ($terms as $term) {

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$id = self::import_term($term);

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if (is_numeric($id)) {

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self::set_import_id($term['term_id'], $id, 'taxonomy', $skinId);

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}

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$ids[$term['term_id']] = $id;

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}

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if (!empty($ids)) {

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wp_send_json_success($ids);

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}

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}

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}

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wp_send_json_error();

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}

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public static function import_ajax_theme_data() {

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check_ajax_referer('tf_nonce', 'nonce');

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if (current_user_can('manage_options')) {

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if (isset($_POST['data'])) {

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$settings = stripslashes_deep($_POST['data']);

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} elseif (isset($_FILES['data'])) {

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$settings = file_get_contents($_FILES['data']['tmp_name']);

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}

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if (!empty($settings)) {

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self::set_time_limit();

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self::raise_memory_limit();

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$settings = json_decode($settings, true);

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$skinId = !empty($_POST['id']) ? $_POST['id'] : 'default';

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$id = self::import_settings($settings, $skinId);

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if ($id !== false) {

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wp_send_json_success($id);

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}

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}

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}

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wp_send_json_error();

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}

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public static function import_ajax_image() {

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if (!empty($_POST['postData']) && current_user_can('import')) {

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check_ajax_referer('tf_nonce', 'nonce');

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$postData = json_decode(stripslashes_deep($_POST['postData']), true);

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$response = array();

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if (!empty($postData)) {

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self::set_time_limit();

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self::raise_memory_limit('image');

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$skinId = !empty($_POST['save_id']) ? $_POST['save_id'] : '';

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$webp = empty($_POST['stop_webp']) ? true : false;

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foreach ($postData as $key => $arrPost) {

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if (!empty($arrPost['thumb'])) {

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$blob = !empty($_FILES[$key]) && $_FILES[$key] != '1' ? $_FILES[$key] : null;

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$res = self::import_media($arrPost, $blob, $webp);

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if ($skinId !== '' && is_array($res) && isset($res['id'])) {

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self::set_import_id(null, $res['id'], 'attachment', $skinId);

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}

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$response[$arrPost['thumb']] = $res;

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}

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}

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}

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wp_send_json_success($response);

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}

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wp_send_json_error();

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}

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public static function import_ajax_post_gallery() {

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check_ajax_referer('tf_nonce', 'nonce');

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if (current_user_can('import')) {

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if (isset($_POST['data'])) {

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$data = stripslashes_deep($_POST['data']);

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} elseif (isset($_FILES['data'])) {

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$data = file_get_contents($_FILES['data']['tmp_name']);

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}

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if (!empty($data)) {

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$data = json_decode($data, true);

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if (!empty($data)) {

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self::set_time_limit();

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self::raise_memory_limit();

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foreach ($data as $post_id => $gallery) {

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self::import_post_gallery($post_id, $gallery);

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}

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wp_send_json_success();

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}

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}

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}

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wp_send_json_error();

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}

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protected static function set_time_limit(int $limit = 0) {

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ignore_user_abort(true);

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if (function_exists('set_time_limit') && false === strpos(ini_get('disable_functions'), 'set_time_limit') && !ini_get('safe_mode')) { // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.safe_modeDeprecatedRemoved

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@set_time_limit($limit); // @codingStandardsIgnoreLine

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}

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}

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protected static function raise_memory_limit(string $context = 'admin',string $size = '512MB') {

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if (!defined('WP_MAX_MEMORY_LIMIT')) {

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define('WP_MAX_MEMORY_LIMIT', $size);

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}

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return wp_raise_memory_limit($context);

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}

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public static function import_product_attribute($name, $slug) {

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if (function_exists('wc_create_attribute') && !empty($name) && !empty($slug) && current_user_can('import')) {

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wc_create_attribute(array(

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'name' => $name,

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'slug' => $slug,

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));

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$slug = wc_attribute_taxonomy_name($slug);

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register_taxonomy($slug, array('product'), array(

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'labels' => array(

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'name' => sprintf(_x('Product %s', 'Product Attribute', 'woocommerce'), $name),

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'singular_name' => $name,

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)

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));

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}

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}

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protected static function get_term_id_by_slug($slug, $tax, $importId = 0) {

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$term = get_term_by('slug', $slug, $tax);

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if ($importId > 0 && (!$term || is_wp_error($term))) {

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$term = get_term((int) $importId, $tax);

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}

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if (!empty($term) && !is_wp_error($term) && $term->taxonomy === $tax) {

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return (int) $term->term_id;

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}

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return false;

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}

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/**

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* Removes all content marked as demo

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*

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* @return void

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*/

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public static function erase_demo() {

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check_ajax_referer('tf_nonce', 'nonce');

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if (!current_user_can('delete_pages')) {

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wp_send_json_error(__('You are not allowed to delete pages on this site', 'themify'));

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}

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if (isset($_POST['data'])) {

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$data = json_decode(stripslashes_deep($_POST['data']), true);

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} elseif (isset($_FILES['data'])) {

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$data = file_get_contents($_FILES['data']['tmp_name']);

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} else {

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$data = array();

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}

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self::set_time_limit();

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self::raise_memory_limit();

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$keepModified = !empty($data['keep_modify']) && $data['keep_modify'] !== '0';

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$isWc = themify_is_woocommerce_active();

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$wc_pages = array();

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if ($isWc === true) {

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foreach (array('myaccount', 'shop', 'cart', 'checkout', 'view_order', 'terms') as $wc_page) {

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$page_id = wc_get_page_id($wc_page);

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if ($page_id > 0) {

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$wc_pages[$page_id] = $wc_page;

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}

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}

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}

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$terms = get_terms([

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'number' => 0,

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'meta_key' => '_' . static::DEMO_KEY,

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'meta_value' => 1,

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'no_found_rows' => true,

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]

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);

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if (!empty($terms)) {

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foreach ($terms as $term) {

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wp_delete_term($term->term_id, $term->taxonomy);

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}

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}

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$posts = get_posts([

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'post_type' => get_post_types(),

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'post_status' => 'any',

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'meta_key' => '_' . static::DEMO_KEY,

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'meta_value' => 1,

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'no_found_rows' => true,

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'posts_per_page' => -1,

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]);

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foreach ($posts as $post) {

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$delete = $keepModified === true ? !(strtotime($post->post_modified) > strtotime($post->post_date)) : true;

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if ($delete === true) {

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if ($post->post_type === 'attachment') {

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self::erase_image($post, $keepModified);

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} elseif ($isWc === true && $post->post_type === 'product') {

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self::erase_product($post->ID, $keepModified);

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} else {

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wp_delete_post($post->ID, true);

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if (isset($wc_pages[$post->ID])) {

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delete_option('woocommerce_' . $post->post_name . '_page_id');

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}

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}

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}

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}

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$items = Themify_Storage::get(static::DEMO_KEY);

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$isBreak = false;

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if (!empty($items)) {

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$items = json_decode($items, true);

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$memory = (int) (wp_convert_hr_to_bytes(WP_MEMORY_LIMIT) * MB_IN_BYTES);

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$limit = $memory > 128 ? 100 : ($memory < 64 ? 60 : 80);

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$count = 0;

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foreach ($items as $skin => $el) {

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if (!empty($el['taxonomy'])) {

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foreach ($el['taxonomy'] as $oldId => $newId) {

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$term = get_term($newId);

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$delete = true;

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if (!empty($term) && !is_wp_error($term)) {

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$success = current_user_can('delete_term', $newId) ? wp_delete_term($newId, $term->taxonomy) : false;

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if ($success === true) {

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++$count;

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} elseif ($success === false) {

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$delete = false;

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} elseif (is_wp_error($success) && $success === 0) {

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unset($items[$skin]['taxonomy'][$oldId]);

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}

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}

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if ($delete === true) {

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unset($items[$skin]['taxonomy'][$oldId]);

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if ($count >= $limit) {

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$isBreak = true;

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break;

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}

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}

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}

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}

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if (!empty($el['post']) && $count < $limit) {

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foreach ($el['post'] as $oldId => $newId) {

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$post = get_post($newId);

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$delete = true;

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if (!empty($post)) {

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$delete = $keepModified === true ? !(strtotime($post->post_modified) > strtotime($post->post_date)) : true;

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if ($delete === true) {

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$post_type = $post->post_type;

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if (($post_type !== 'page' && current_user_can('delete_post', $newId)) || ($post_type === 'page' && current_user_can('delete_page', $newId))) {

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if ($post_type === 'attachment') {

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$el['attachment'][] = $newId;

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} else {

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if ($isWc === true && $post_type === 'product') {

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$deletedItems = self::erase_product($post->ID, $keepModified);

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$delete = false;

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foreach ($deletedItems['posts'] as $product_id => $is_deleted) {

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if ($is_deleted === true) {

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++$count;

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$product_id = (int) $product_id;

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unset($items[$skin]['post'][$product_id]);

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}

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}

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if (!empty($deletedItems['attachment'])) {

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foreach ($deletedItems['attachment'] as $image_id => $is_deleted) {

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if ($is_deleted === true) {

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++$count;

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if (isset($items[$skin]['attachment'])) {

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$image_id = (int) $image_id;

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unset($items[$skin]['attachment'][$image_id], $el['attachment'][$image_id]);

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}

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}

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}

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}

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} else {

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$success = wp_delete_post($post->ID, true);

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$delete = !empty($success);

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if ($delete === true) {

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++$count;

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}

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}

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}

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} else {

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$delete = false;

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}

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}

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}

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if ($delete === true) {

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unset($items[$skin]['post'][$oldId]);

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if (!empty($post) && isset($wc_pages[$post->ID])) {

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delete_option('woocommerce_' . str_replace('-', '', $post->post_name) . '_page_id');

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}

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}

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if ($count >= $limit) {

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$isBreak = true;

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break;

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}

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}

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}

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if (!empty($el['attachment']) && $count < $limit) {

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foreach ($el['attachment'] as $oldId => $newId) {

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$post = get_post($newId);

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$delete = true;

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if (!empty($post) && $post->post_type === 'attachment') {

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$delete = $keepModified === true ? !(strtotime($post->post_modified) > strtotime($post->post_date)) : true;

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if ($delete === true) {

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$delete = current_user_can('delete_post', $newId) ? self::erase_image($post, $keepModified) : false;

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if ($delete === true) {

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++$count;

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}

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}

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}

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if ($delete === true) {

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unset($items[$skin]['attachment'][$oldId]);

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if ($count >= $limit) {

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$isBreak = true;

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break;

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}

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}

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}

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}

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if (empty($items[$skin]['taxonomy'])) {

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unset($items[$skin]['taxonomy']);

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}

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if (empty($items[$skin]['post'])) {

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unset($items[$skin]['post']);

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}

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if (empty($items[$skin]['attachment'])) {

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unset($items[$skin]['attachment']);

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}

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if (empty($items[$skin])) {

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unset($items[$skin]);

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}

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if ($isBreak === true) {

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break;

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}

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}

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if (!empty($items)) {

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Themify_Storage::set(static::DEMO_KEY, $items);

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} else {

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Themify_Storage::delete(static::DEMO_KEY);

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}

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}

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if ($isBreak === true) {

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$response = 'repeat';

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} else {

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$response = self::has_demo_content() ? 'hasdemo' : 0;

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}

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wp_send_json_success($response);

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}

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public static function erase_product($id, $keepModified = false) {

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$product = themify_is_woocommerce_active() ? wc_get_product($id) : null;

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$res = array('posts' => array());

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if (!empty($product)) {

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$isVariable = $product->is_type('variable');

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$isGroup = $product->is_type('grouped');

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if ($isVariable || $isGroup) {

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foreach ($product->get_children() as $child_id) {

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$child = wc_get_product($child_id);

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$delete = true;

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if (!empty($child)) {

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if ($isVariable) {

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$delete = $child->delete(true);

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} else {

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$child->set_parent_id(0);

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$delete = $child->save();

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$delete = $delete > 0 ? true : false;

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}

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}

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$res['posts'][$child_id] = $delete;

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}

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}

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$image_galleries_id = $product->get_gallery_image_ids();

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[425] Fix | Delete

if (!empty($image_galleries_id)) {

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$res['attachment'] = array();

[427] Fix | Delete

foreach ($image_galleries_id as $image_id) {

[428] Fix | Delete

$post = get_post($image_id);

[429] Fix | Delete

$delete = true;

[430] Fix | Delete

if (!empty($post) && $post->post_type === 'attachment') {

[431] Fix | Delete

$delete = $keepModified === true ? !(strtotime($post->post_modified) > strtotime($post->post_date)) : true;

[432] Fix | Delete

if ($delete === true) {

[433] Fix | Delete

$delete = self::erase_image($image_id, $keepModified);

[434] Fix | Delete

}

[435] Fix | Delete

}

[436] Fix | Delete

$res['attachment'][$image_id] = $delete;

[437] Fix | Delete

}

[438] Fix | Delete

}

[439] Fix | Delete

$res['posts'][$id] = $product->delete(true);

[440] Fix | Delete

// Delete parent product transients.

[441] Fix | Delete

if ($parent_id = wp_get_post_parent_id($id)) {

[442] Fix | Delete

wc_delete_product_transients($parent_id);

[443] Fix | Delete

}

[444] Fix | Delete

} else {

[445] Fix | Delete

$res['posts'][$id] = wp_delete_post($id, true);

[446] Fix | Delete

}

[447] Fix | Delete

return $res;

[448] Fix | Delete

}

[449] Fix | Delete

[450] Fix | Delete

public static function erase_image($post, $force = false) {

[451] Fix | Delete

$post = get_post($post);

[452] Fix | Delete

if (!empty($post) && $post->post_type === 'attachment') {

[453] Fix | Delete

$delete = $force === true || $post->post_parent === 0 || get_post_status($post->post_parent) === false;

[454] Fix | Delete

if ($delete === true) {

[455] Fix | Delete

if ($force === true) {

[456] Fix | Delete

global $wpdb;

[457] Fix | Delete

$file_name = wp_basename(wp_get_attachment_url($post->ID));

[458] Fix | Delete

$path = pathinfo($file_name);

[459] Fix | Delete

$file_name = esc_sql($path['basename']);

[460] Fix | Delete

$size_name = esc_sql($path['filename']) . '-';

[461] Fix | Delete

$sql = "'%$file_name%' OR '%$size_name%'";

[462] Fix | Delete

unset($path, $file_name, $size_name);

[463] Fix | Delete

$exist = $wpdb->query("SELECT 1 FROM $wpdb->postmeta WHERE `meta_value` LIKE $sql LIMIT 1");

[464] Fix | Delete

if (!empty($exist)) {

[465] Fix | Delete

return false;

[466] Fix | Delete

}

[467] Fix | Delete

$exist = $wpdb->query("SELECT 1 FROM $wpdb->posts WHERE `post_content` LIKE $sql LIMIT 1");

[468] Fix | Delete

if (!empty($exist)) {

[469] Fix | Delete

return false;

[470] Fix | Delete

}

[471] Fix | Delete

$exist = $wpdb->query("SELECT 1 FROM $wpdb->termmeta WHERE `meta_value` LIKE $sql LIMIT 1");

[472] Fix | Delete

if (!empty($exist)) {

[473] Fix | Delete

return false;

[474] Fix | Delete

}

[475] Fix | Delete

}

[476] Fix | Delete

return wp_delete_attachment($post->ID, true);

[477] Fix | Delete

}

[478] Fix | Delete

}

[479] Fix | Delete

return true;

[480] Fix | Delete

}

[481] Fix | Delete

[482] Fix | Delete

/**

[483] Fix | Delete

* Returns true only if there are any demo contents installed on this site

[484] Fix | Delete

*

[485] Fix | Delete

* @return bool

[486] Fix | Delete

*/

[487] Fix | Delete

public static function has_demo_content() {

[488] Fix | Delete

$content = Themify_Storage::get(static::DEMO_KEY);

[489] Fix | Delete

if (!empty($content)) {

[490] Fix | Delete

return true;

[491] Fix | Delete

}

[492] Fix | Delete

$terms = get_terms([

[493] Fix | Delete

'number' => 1,

[494] Fix | Delete

'meta_key' => '_' . static::DEMO_KEY,

[495] Fix | Delete

'meta_value' => 1,

[496] Fix | Delete

'no_found_rows' => true,]

[497] Fix | Delete

);

[498] Fix | Delete

if (!empty($terms)) {

[499] Fix | Delete