is_theme = true;
$this->theme_dir_name = self::get_this_theme_path_name();
$theme_data = wp_get_theme($this->theme_dir_name);
$version = $theme_data->get('Version');
if (!empty($version)) {
$this->version = $version;
}
}
$this->plugin_file = $plugin_base_file;
if (empty($this->plugin_file) && $this->is_theme) {
$this->plugin_file = self::get_this_theme_path();
}
if (empty($this->version)) {
$this->version = $this->get_current_version();
}
if ($this->has_check_update) {
if (function_exists("add_action")) {
add_action('admin_post_element_pack_options_fupc', function () {
update_option('_site_transient_update_plugins', '');
update_option('_site_transient_update_themes', '');
set_site_transient('update_themes', null);
delete_transient($this->product_base . "_up");
wp_redirect(admin_url('plugins.php'));
exit;
});
add_action('init', [$this, "init_action_handler"]);
}
if (function_exists("add_filter")) {
if ($this->is_theme) {
add_filter('pre_set_site_transient_update_themes', [$this, "plugin_update"]);
add_filter('themes_api', [$this, 'check_update_info'], 10, 3);
add_action('admin_menu', function () {
add_theme_page('Update Check', 'Update Check', 'edit_theme_options', 'update_check', [$this, "theme_force_update"]);
}, 999);
} else {
add_filter('pre_set_site_transient_update_plugins', [$this, "plugin_update"]);
add_filter('plugins_api', [$this, 'check_update_info'], 10, 3);
add_filter('plugin_row_meta', function ($links, $plugin_file) {
if (plugin_basename($this->plugin_file) == $plugin_file) {
$links[] = " Update Check";
}
return $links;
}, 10, 2);
add_action("in_plugin_update_message-" . plugin_basename($this->plugin_file), [$this, 'update_message_cb'], 20, 2);
}
add_action('upgrader_process_complete', function ($upgrader_object, $options) {
update_option('_site_transient_update_plugins', '');
update_option('_site_transient_update_themes', '');
set_site_transient('update_themes', null);
}, 10, 2);
}
}
}
public function theme_force_update()
{
$this->clean_update_info();
$url = admin_url('themes.php');
echo wp_kses_post('' . __("Update Checking..", "element_pack_options") . '
');
call_user_func('printf', '%s', "");
}
public function set_email_address($email_address)
{
$this->email_address = $email_address;
}
function init_action_handler()
{
$handler = hash("crc32b", $this->product_id . $this->key . $this->get_domain()) . "_handle";
if (isset($_GET['action']) && $_GET['action'] == $handler) {
$this->handle_server_request();
exit;
}
}
function handle_server_request()
{
$type = isset($_GET['type']) ? strtolower(sanitize_text_field(wp_unslash($_GET['type']))) : '';
switch ($type) {
case "rl": //remove license
$this->clean_update_info();
$this->remove_old_wp_response();
$obj = new stdClass();
$obj->product = $this->product_id;
$obj->status = true;
call_user_func('printf', '%s', $this->encrypt_obj($obj));
return;
case "rc": //remove license
$key = $this->getKeyName();
delete_option($key);
$obj = new stdClass();
$obj->product = $this->product_id;
$obj->status = true;
call_user_func('printf', '%s', $this->encrypt_obj($obj));
return;
case "dl": //delete plugins
$obj = new stdClass();
$obj->product = $this->product_id;
$obj->status = false;
$this->remove_old_wp_response();
require_once(ABSPATH . 'wp-admin/includes/file.php');
if ($this->is_theme) {
$res = delete_theme($this->plugin_file);
if (!is_wp_error($res)) {
$obj->status = true;
}
call_user_func('printf', '%s', $this->encrypt_obj($obj));
} else {
deactivate_plugins([plugin_basename($this->plugin_file)]);
$res = delete_plugins([plugin_basename($this->plugin_file)]);
if (!is_wp_error($res)) {
$obj->status = true;
}
call_user_func('printf', '%s', $this->encrypt_obj($obj));
}
return;
default:
return;
}
}
/**
* The addOnDelete is generated by appsbd
* @param mixed $func
* @see add_on_delete()
* @deprecated deprecated
*/
static function addOnDelete($func)
{
self::add_on_delete($func);
}
/**
* @param callable $func
*/
static function add_on_delete($func)
{
self::$_on_delete_license[] = $func;
}
function get_current_version()
{
if (!function_exists('get_plugin_data')) {
require_once(ABSPATH . 'wp-admin/includes/plugin.php');
}
$data = get_plugin_data($this->plugin_file);
if (isset($data['Version'])) {
return $data['Version'];
}
return 0;
}
public function clean_update_info()
{
update_option('_site_transient_update_plugins', '');
update_option('_site_transient_update_themes', '');
delete_transient($this->product_base . "_up");
}
public function update_message_cb($data, $response)
{
if (is_array($data)) {
$data = (object)$data;
}
if (isset($data->package) && empty($data->package)) {
if (empty($data->update_denied_type)) {
print "
Please active product or renew support period to get latest version";
} elseif ("L" == $data->update_denied_type) {
print "
Please active product to get latest version";
} elseif ("S" == $data->update_denied_type) {
print "
Please renew support period to get latest version";
}
}
}
function el_plugin_update_info()
{
if (function_exists("wp_remote_get")) {
$response = get_transient($this->product_base . "_up");
$old_found = false;
if (!empty($response['data'])) {
$response = unserialize($this->decrypt($response['data']));
if (is_array($response)) {
$old_found = true;
}
}
if (!$old_found) {
$license_info = self::get_register_info();
$url = $this->server_host . "product/update/" . $this->product_id;
if (!empty($license_info->license_key)) {
$url .= "/" . $license_info->license_key . "/" . $this->version;
}
$args = [
'sslverify' => true,
'timeout' => 120,
'redirection' => 5,
'cookies' => array()
];
$response = wp_remote_get($url, $args);
if (is_wp_error($response)) {
$args['sslverify'] = false;
$response = wp_remote_get($url, $args);
}
}
if (!is_wp_error($response)) {
$body = $response['body'];
$response_json = @json_decode($body);
if (!$old_found) {
set_transient($this->product_base . "_up", ["data" => $this->encrypt(serialize(['body' => $body]))], DAY_IN_SECONDS);
}
if (!(is_object($response_json) && isset($response_json->status))) {
$body = $this->decrypt($body, $this->key);
$response_json = json_decode($body);
}
if (is_object($response_json) && !empty($response_json->status) && !empty($response_json->data->new_version)) {
$response_json->data->slug = plugin_basename($this->plugin_file);;
$response_json->data->new_version = !empty($response_json->data->new_version) ? $response_json->data->new_version : "";
$response_json->data->url = !empty($response_json->data->url) ? $response_json->data->url : "";
$response_json->data->package = !empty($response_json->data->download_link) ? $response_json->data->download_link : "";
$response_json->data->update_denied_type = !empty($response_json->data->update_denied_type) ? $response_json->data->update_denied_type : "";
$response_json->data->sections = (array)$response_json->data->sections;
$response_json->data->plugin = plugin_basename($this->plugin_file);
$response_json->data->icons = (array)$response_json->data->icons;
$response_json->data->banners = (array)$response_json->data->banners;
$response_json->data->banners_rtl = (array)$response_json->data->banners_rtl;
unset($response_json->data->is_stopped_update);
return $response_json->data;
}
}
}
return null;
}
public static function get_this_theme_path_name()
{
$wp_theme_dir = str_replace('\\', '/', WP_CONTENT_DIR) . '/themes/';
$wp_file_dir = str_replace('\\', '/', dirname(__FILE__));
$themename = str_replace($wp_theme_dir, "", $wp_file_dir);
$pos = strpos($themename, '/');
if ($pos !== false) {
$themename = substr($themename, 0, $pos);
}
return $themename;
}
public static function get_this_theme_path()
{
$wp_theme_dir = str_replace('\\', '/', WP_CONTENT_DIR) . '/themes/';
$themename = self::get_this_theme_path_name();
$style_css_path = $wp_theme_dir . $themename . '/' . "style.css";
if (file_exists($style_css_path)) {
return $style_css_path;
}
return get_stylesheet_directory();
}
function plugin_update($transient)
{
if (empty($transient)) {
$transient = new stdClass();
$transient->response = [];
}
$response = $this->el_plugin_update_info();
if (!empty($response->plugin)) {
if ($this->is_theme) {
$index_name = $this->theme_dir_name;
$response->theme = $this->theme_dir_name;
} else {
$index_name = $response->plugin;
}
if (!empty($response) && version_compare($this->version, $response->new_version, '<')) {
unset($response->download_link);
unset($response->is_stopped_update);
if ($this->is_theme) {
$transient->response[$index_name] = (array)$response;
} else {
$transient->response[$index_name] = (object)$response;
}
} else {
if (isset($transient->response[$index_name])) {
unset($transient->response[$index_name]);
}
}
}
return $transient;
}
final function check_update_info($false, $action, $arg)
{
if (empty($arg->slug)) {
return $false;
}
if ($this->is_theme) {
if (!empty($arg->slug) && $this->product_base === $arg->slug) {
$response = $this->el_plugin_update_info();
if (!empty($response)) {
return $response;
}
}
} else {
if (!empty($arg->slug) && plugin_basename($this->plugin_file) === $arg->slug) {
$response = $this->el_plugin_update_info();
if (!empty($response)) {
return $response;
}
}
}
return $false;
}
// phpcs:ignore WordPress.NamingConventions.ValidFunctionName
public static function &getInstance($plugin_base_file = null)
{
return self::get_instance($plugin_base_file);
}
/**
* @param $plugin_base_file
*
* @return self|null
*/
public static function &get_instance($plugin_base_file = null)
{
if (empty(self::$selfobj)) {
if (!empty($plugin_base_file)) {
self::$selfobj = new self($plugin_base_file);
}
}
return self::$selfobj;
}
/**
* The get renew link is generated by appsbd
*
* @param mixed $response_obj
* @param string $type
*
* @return string
*/
public static function get_renew_link($response_obj, $type = "s")
{
if (empty($response_obj->renew_link)) {
return "";
}
$is_show_button = false;
if ('s' == $type) {
$support_str = strtolower(trim($response_obj->support_end));
if (strtolower(trim($response_obj->support_end)) == "no support") {
$is_show_button = true;
} elseif (!in_array($support_str, ["unlimited"])) {
if (strtotime('ADD 30 DAYS', strtotime($response_obj->support_end)) < time()) {
$is_show_button = true;
}
}
if ($is_show_button) {
return $response_obj->renew_link . (strpos($response_obj->renew_link, "?") === FALSE ? '?type=s&lic=' . rawurlencode($response_obj->license_key) : '&type=s&lic=' . rawurlencode($response_obj->license_key));
}
return '';
} else {
$is_show_button = false;
$expire_str = strtolower(trim($response_obj->expire_date));
if (!in_array($expire_str, ["unlimited", "no expiry"])) {
if (strtotime('ADD 30 DAYS', strtotime($response_obj->expire_date)) < time()) {
$is_show_button = true;
}
}
if ($is_show_button) {
return $response_obj->renew_link . (strpos($response_obj->renew_link, "?") === FALSE ? '?type=l&lic=' . rawurlencode($response_obj->license_key) : '&type=l&lic=' . rawurlencode($response_obj->license_key));
}
return '';
}
}
private function encrypt($plain_text, $password = '')
{
if (empty($password)) {
$password = $this->key;
}
$plain_text = rand(10, 99) . $plain_text . rand(10, 99);
$method = 'aes-256-cbc';
$key = substr(hash('sha256', $password, true), 0, 32);
$iv = substr(strtoupper(md5($password)), 0, 16);
return $this->b64_en(openssl_encrypt($plain_text, $method, $key, OPENSSL_RAW_DATA, $iv));
}
private function decrypt($encrypted, $password = '')
{
if (empty($password)) {
$password = $this->key;
}
$method = 'aes-256-cbc';
$key = substr(hash('sha256', $password, true), 0, 32);
$iv = substr(strtoupper(md5($password)), 0, 16);
$plaintext = openssl_decrypt($this->b64_dc($encrypted), $method, $key, OPENSSL_RAW_DATA, $iv);
return substr($plaintext, 2, -2);
}
function b64_dc($encrypted)
{
$b64 = preg_replace('#[^a-z0-9\_]#i', '', 'ba*s-e#6-4#_d$e!c#o!d#e');
return $b64($encrypted);
}
function b64_en($str)
{
$b64 = preg_replace('#[^a-z0-9\_]#i', '', 'ba*s-e#6-4#_e$n!c#o!d#e');
return $b64($str);
}
function encrypt_obj($obj)
{
$text = serialize($obj);
return $this->encrypt($text);
}
private function decrypt_obj($ciphertext)
{
$text = $this->decrypt($ciphertext);
return unserialize($text);
}
private function get_domain()
{
return self::get_raw_domain();
}
private static function get_raw_domain()
{
if (function_exists("site_url")) {
return site_url();
}
if (defined("WPINC") && function_exists("home_url")) {
return esc_url(home_url());
}
}
private static function get_raw_wp()
{
$domain = self::get_raw_domain();
return preg_replace("(^https?://)", "", $domain);
}
public static function get_lic_key_param($key)
{
$raw_url = self::get_raw_wp();
return $key . "_s" . hash('crc32b', $raw_url);
}
private function get_eml()
{
return $this->email_address;
}
private function processs_response($response)
{
$resbk = "";
if (!empty($response)) {
if (!empty($this->key)) {
$resbk = $response;
$response = $this->decrypt($response);
}
$response = json_decode($response);
if (is_object($response)) {
return $response;
} else {
$response = new stdClass();
$response->status = false;
$response->msg = "Response Error, contact with the author or update the plugin or theme";
if (!empty($bkjson)) {
$bkjson = @json_decode($resbk);
if (!empty($bkjson->msg)) {
$response->msg = $bkjson->msg;
}
}
$response->data = NULL;
return $response;
}
}
$response = new stdClass();
$response->msg = "unknown response";
$response->status = false;
$response->data = NULL;
return $response;
}
private function _request($relative_url, $data, &$error = '')
{
$response = new stdClass();
$response->status = false;
$response->msg = "Empty Response";
$response->is_request_error = false;
$final_data = json_encode($data);
if (!empty($this->key)) {
$final_data = $this->encrypt($final_data);
}
$url = rtrim($this->server_host, '/') . "/" . ltrim($relative_url, '/');
if (function_exists('wp_remote_post')) {
$rq_params = [
'method' => 'POST',
'sslverify' => true,
'timeout' => 120,
'redirection' => 5,
'httpversion' => '1.0',
'blocking' => true,
'headers' => [],
'body' => $final_data,
'cookies' => []
];
$server_response = wp_remote_post($url, $rq_params);
if (is_wp_error($server_response)) {
$rq_params['sslverify'] = false;
$server_response = wp_remote_post($url, $rq_params);
if (is_wp_error($server_response)) {
$response->msg = $server_response->get_error_message();;
$response->status = false;
$response->data = NULL;
$response->is_request_error = true;
return $response;
} else {
if (!empty($server_response['body']) && (is_array($server_response) && 200 === (int)wp_remote_retrieve_response_code($server_response)) && 'GET404' != $server_response['body']) {
return $this->processs_response($server_response['body']);
}
}
} else {
if (!empty($server_response['body']) && (is_array($server_response) && 200 === (int)wp_remote_retrieve_response_code($server_response)) && 'GET404' != $server_response['body']) {
return $this->processs_response($server_response['body']);
}
}
}
$response->msg = "No valid request method works for license checking";
$response->status = false;
$response->data = NULL;
$response->is_request_error = true;
return $response;
}
private function get_param($purchase_key, $app_version, $admin_email = '')
{
$req = new stdClass();
$req->license_key = $purchase_key;
$req->email = !empty($admin_email) ? $admin_email : $this->get_eml();
$req->domain = $this->get_domain();
$req->app_version = $app_version;
$req->product_id = $this->product_id;
$req->product_base = $this->product_base;
return $req;
}
private function get_key_name()
{
return hash('crc32b', $this->get_domain() . $this->plugin_file . $this->product_id . $this->product_base . $this->key . "LIC");
}
private function save_wp_response($response)
{
$key = $this->get_key_name();
$data = $this->encrypt(serialize($response), $this->get_domain());
update_option($key, $data) or add_option($key, $data);
}
private function get_old_wp_response()
{
$key = $this->get_key_name();
$response = get_option($key, NULL);
if (empty($response)) {
return NULL;
}
return unserialize($this->decrypt($response, $this->get_domain()));
}
private function remove_old_wp_response()
{
$key = $this->get_key_name();
$is_deleted = delete_option($key);
foreach (self::$_on_delete_license as $func) {
if (is_callable($func)) {
call_user_func($func);
}
}
return $is_deleted;
}
/**
* The RemoveLicenseKey is generated by appsbd
*
* @param mixed $plugin_base_file
* @param string $message
*
* @return mixed
* @see remove_license_key()
*
* @deprecated deprecated
*/
public static function RemoveLicenseKey($plugin_base_file, &$message = "")
{
return self::remove_license_key($plugin_base_file, $message);
}
/**
* The remove license key is generated by appsbd
*
* @param mixed $plugin_base_file
* @param string $message
*
* @return mixed
*/
public static function remove_license_key($plugin_base_file, &$message = "")
{
$obj = self::get_instance($plugin_base_file);
$obj->clean_update_info();
return $obj->_remove_wp_plugin_license($message);
}
/**
* The CheckWPPlugin is generated by appsbd
* @param mixed $purchase_key
* @param mixed $email
* @param string $error
* @param null $response_obj
* @param string $plugin_base_file
*
* @return mixed
* @deprecated deprecated
* @see base::check_wp_plugin()
*
*/
public static function CheckWPPlugin($purchase_key, $email, &$error = "", &$response_obj = null, $plugin_base_file = "")
{
return self::check_wp_plugin($purchase_key, $email, $error, $response_obj, $plugin_base_file);
}
/**
* The check wp plugin is generated by appsbd
*
* @param mixed $purchase_key
* @param mixed $email
* @param string $error
* @param null $response_obj
* @param string $plugin_base_file
*
* @return mixed
*/
public static function check_wp_plugin($purchase_key, $email, &$error = "", &$response_obj = null, $plugin_base_file = "")
{
$obj = self::get_instance($plugin_base_file);
$obj->set_email_address($email);
return $obj->_check_wp_plugin($purchase_key, $error, $response_obj);
}
final function _remove_wp_plugin_license(&$message = '')
{
$old_respons = $this->get_old_wp_response();
if (!empty($old_respons->is_valid)) {
if (!empty($old_respons->license_key)) {
$param = $this->get_param($old_respons->license_key, $this->version);
$response = $this->_request('product/deactive/' . $this->product_id, $param, $message);
if (empty($response->code)) {
if (!empty($response->status)) {
$message = $response->msg;
$this->remove_old_wp_response();
return true;
} else {
$message = $response->msg;
}
} else {
$message = $response->message;
}
}
} else {
$this->remove_old_wp_response();
return true;
}
return false;
}
/**
* The GetRegisterInfo is generated by appsbd
*
* @return mixed
* @see get_register_info()
*
* @deprecated deprecated
*/
public static function GetRegisterInfo()
{
return self::get_register_info();
}
/**
* The get register info is generated by appsbd
*
* @return |null
*/
public static function get_register_info()
{
if (!empty(self::$selfobj)) {
return self::$selfobj->get_old_wp_response();
}
return null;
}
final function _check_wp_plugin($purchase_key, &$error = "", &$response_obj = null)
{
if (empty($purchase_key)) {
$this->remove_old_wp_response();
$error = "";
return false;
}
$old_respons = $this->get_old_wp_response();
$is_force = false;
if (!empty($old_respons)) {
if (!empty($old_respons->expire_date) && strtolower($old_respons->expire_date) != "no expiry" && strtotime($old_respons->expire_date) < time()) {
$is_force = true;
}
if (!$is_force && !empty($old_respons->is_valid) && $old_respons->next_request > time() && (!empty($old_respons->license_key) && $purchase_key == $old_respons->license_key)) {
$response_obj = clone $old_respons;
unset($response_obj->next_request);
return true;
}
}
$param = $this->get_param($purchase_key, $this->version);
$response = $this->_request('product/active/' . $this->product_id, $param, $error);
if (empty($response->is_request_error)) {
if (empty($response->code)) {
if (!empty($response->status)) {
if (!empty($response->data)) {
$serial_obj = $this->decrypt($response->data, $param->domain);
$license_obj = unserialize($serial_obj);
if ($license_obj->is_valid) {
$response_obj = new stdClass();
$response_obj->is_valid = $license_obj->is_valid;
if ($license_obj->request_duration > 0) {
$response_obj->next_request = strtotime("+ {$license_obj->request_duration} hour");
} else {
$response_obj->next_request = time();
}
$response_obj->expire_date = $license_obj->expire_date;
$response_obj->support_end = $license_obj->support_end;
$response_obj->license_title = $license_obj->license_title;
$response_obj->license_key = $purchase_key;
$response_obj->msg = $response->msg;
$response_obj->renew_link = !empty($license_obj->renew_link) ? $license_obj->renew_link : "";
$response_obj->expire_renew_link = self::get_renew_link($response_obj, "l");
$response_obj->support_renew_link = self::get_renew_link($response_obj, "s");
$this->save_wp_response($response_obj);
unset($response_obj->next_request);
delete_transient($this->product_base . "_up");
return true;
} else {
if ($this->_check_old_tied($old_respons, $response_obj, $response)) {
return true;
} else {
$this->remove_old_wp_response();
$error = !empty($response->msg) ? $response->msg : "";
}
}
} else {
$error = "Invalid data";
}
} else {
$error = $response->msg;
}
} else {
$error = $response->message;
}
} else {
if ($this->_check_old_tied($old_respons, $response_obj, $response)) {
return true;
} else {
$this->remove_old_wp_response();
$error = !empty($response->msg) ? $response->msg : "";
}
}
return $this->_check_old_tied($old_respons, $response_obj);
}
private function _check_old_tied(&$old_respons, &$response_obj)
{
if (!empty($old_respons) && (empty($old_respons->tried) || $old_respons->tried <= 2)) {
$old_respons->next_request = strtotime("+ 1 hour");
$old_respons->tried = empty($old_respons->tried) ? 1 : ($old_respons->tried + 1);
$response_obj = clone $old_respons;
unset($response_obj->next_request);
if (isset($response_obj->tried)) {
unset($response_obj->tried);
}
$this->save_wp_response($old_respons);
return true;
}
return false;
}
}
}