File: /home/enamadmin/www/wp-content/plugins/mainwp-child/class/class-mainwp-child-themes-check.php
<?php
/**
* MainWP Abandoned Themes Check
*
* This file checks if themes have been abandoned.
*
* @package MainWP\Child
*
* Credits
*
* Plugin-Name: Vendi Abandoned Plugin Check
* Plugin URI: https://wordpress.org/plugins/vendi-abandoned-plugin-check/
* Author: Vendi Advertising (Chris Haas)
* Author URI: https://wp-staging.com
* License: GPLv2
*/
namespace MainWP\Child;
/**
* Class MainWP_Child_Themes_Check
*
* Check if themes have been abandoned.
*/
class MainWP_Child_Themes_Check {
/**
* Cron: Theme health check watcher.
*
* @var string
*/
private $cron_name_watcher = 'mainwp_child_cron_theme_health_check_watcher';
/**
* Cron: Theme health check daily.
*
* @var string
*/
private $cron_name_daily = 'mainwp_child_cron_theme_health_check_daily';
/**
* Cron: Theme health check batching.
*
* @var string
*/
private $cron_name_batching = 'mainwp_child_cron_theme_health_check_batching';
/**
* Transient: Theme timestamps.
*
* @var string
*/
private $tran_name_theme_timestamps = 'mainwp_child_tran_name_theme_timestamps';
/**
* Transient: Themes to batch.
*
* @var string
*/
private $tran_name_themes_to_batch = 'mainwp_child_tran_name_themes_to_batch';
/**
* Transient: Theme last daily run.
*
* @var string
*/
private $option_name_last_daily_run = 'mainwp_child_theme_last_daily_run';
/**
* Public static variable to hold the single instance of the class.
*
* @var mixed Default null
*/
public static $instance = null;
/**
* Method instance()
*
* Create a public static instance.
*
* @return mixed Class instance.
*/
public static function instance() {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* MainWP_Child_Themes_Check constructor.
*
* Run any time class is called.
*/
public function __construct() {
if ( get_option( 'mainwp_child_plugintheme_days_outdate' ) ) {
$this->schedule_watchdog();
add_action( $this->cron_name_batching, array( $this, 'run_check' ) );
add_action( $this->cron_name_daily, array( $this, 'run_check' ) );
add_action( $this->cron_name_watcher, array( $this, 'perform_watchdog' ) );
add_filter( 'themes_api_args', array( $this, 'modify_theme_api_search_query' ), 10, 2 );
add_action( 'mainwp_child_deactivation', array( $this, 'cleanup_deactivation' ) );
}
}
/**
* Un-schedules all events attached to the hook with the specified arguments.
* On success an integer indicating number of events un-scheduled (0 indicates no events were registered with the hook and arguments combination),
* false if un-scheduling one or more events fail.
*/
private function cleanup_basic() {
wp_clear_scheduled_hook( $this->cron_name_daily );
wp_clear_scheduled_hook( $this->cron_name_batching );
delete_transient( $this->tran_name_themes_to_batch );
}
/**
* Un-schedules all events attached to the hook with the specified arguments.
* On success an integer indicating number of events un-scheduled (0 indicates no events were registered with the hook and arguments combination),
* false if un-scheduling one or more events fail.
*
* @param bool $del Whether or not to delete the transient data. Default: true.
*/
public function cleanup_deactivation( $del = true ) {
$this->cleanup_basic();
wp_clear_scheduled_hook( $this->cron_name_watcher );
delete_option( $this->option_name_last_daily_run );
if ( $del ) {
delete_transient( $this->tran_name_theme_timestamps );
}
}
/**
* Modify theme api search query.
*
* @param object $args Query arguments.
* @param string $action Actions to perform.
* @return \stdClass Return instance of \stdClass.
*/
public function modify_theme_api_search_query( $args, $action ) {
if ( isset( $action ) && 'query_themes' === $action ) {
if ( ! is_object( $args ) ) {
$args = new \stdClass();
}
if ( ! property_exists( $args, 'fields' ) ) {
$args->fields = array();
}
$args->fields = array_merge( $args->fields, array( 'last_updated' => true ) );
}
return $args;
}
/**
* Schedule watchdog crons.
*
* @throws \Exception Error message on failure.
*/
public function perform_watchdog() {
if ( ! wp_next_scheduled( $this->cron_name_batching ) ) {
$last_run = get_option( $this->option_name_last_daily_run );
if ( false === $last_run || ! is_integer( $last_run ) ) {
$last_run = false;
} else {
$last_run = new \DateTime( '@' . $last_run );
}
$now = new \DateTime();
if ( false === $last_run || (int) $now->diff( $last_run )->format( '%h' ) >= 24 ) {
$this->cleanup_basic();
wp_schedule_event( time(), 'daily', $this->cron_name_daily );
update_option( $this->option_name_last_daily_run, $now->getTimestamp() );
}
}
}
/**
* Schedule a global watching cron just in case both other crons get killed.
*/
public function schedule_watchdog() {
if ( ! wp_next_scheduled( $this->cron_name_watcher ) ) {
wp_schedule_event( time(), 'hourly', $this->cron_name_watcher );
}
}
/**
* Get how long themes have been outdated.
*
* @return array $themes_outdate Array of themes & how long they have been outdated.
*/
public function get_themes_outdate_info() {
$themes_outdate = get_transient( $this->tran_name_theme_timestamps );
if ( ! is_array( $themes_outdate ) ) {
$themes_outdate = array();
}
if ( ! function_exists( '\wp_get_themes' ) ) {
require_once ABSPATH . '/wp-admin/includes/theme.php';
}
$themes = \wp_get_themes();
$update = false;
foreach ( $themes_outdate as $slug => $v ) {
if ( ! isset( $themes[ $slug ] ) ) {
unset( $themes_outdate[ $slug ] );
$update = true;
}
}
if ( $update ) {
set_transient( $this->tran_name_theme_timestamps, $themes_outdate, 2 * DAY_IN_SECONDS );
}
return $themes_outdate;
}
/**
* Run Check.
*
* @throws \Exception Error message on failure.
*/
public function run_check() {
if ( ! function_exists( '\wp_get_themes' ) ) {
require_once ABSPATH . '/wp-admin/includes/theme.php';
}
// Get our previous results.
$responses = get_transient( $this->tran_name_theme_timestamps );
if ( false === $responses || ! is_array( $responses ) ) {
$responses = array();
}
$all_themes = get_transient( $this->tran_name_themes_to_batch );
// If there wasn't a previous cache.
if ( false === $all_themes || ! is_array( $all_themes ) ) {
$all_themes = array();
$themes = \wp_get_themes();
if ( is_array( $themes ) ) {
foreach ( $themes as $theme ) {
$slug = $theme->get_stylesheet();
$all_themes[ $slug ] = array(
'Name' => $theme->get( 'Name' ),
'Version' => $theme->display( 'Version', true, false ),
);
}
}
$responses = array();
}
$avoid_themes = array( 'superstore' );
$themes_to_scan = array_splice( $all_themes, 0, apply_filters( 'mainwp_child_theme_health_check_max_themes_to_batch', 10 ) );
$tolerance_in_days = get_option( 'mainwp_child_plugintheme_days_outdate', 365 );
foreach ( $themes_to_scan as $slug => $v ) {
if ( in_array( $slug, $avoid_themes ) ) {
continue;
}
$body = $this->try_get_response_body( $slug, false );
if ( false === $body ) {
continue;
}
// Deserialize the response.
$obj = maybe_unserialize( $body ); // phpcs:ignore -- to compatible with third party, it's safe.
$now = new \DateTime();
// Sanity check that deserialization worked and that our property exists.
if ( false !== $obj && is_object( $obj ) && property_exists( $obj, 'last_updated' ) ) {
$last_updated = strtotime( $obj->last_updated );
$theme_last_updated_date = new \DateTime( '@' . $last_updated );
$diff_in_days = $now->diff( $theme_last_updated_date )->format( '%a' );
if ( $diff_in_days < $tolerance_in_days ) {
continue;
}
$v['last_updated'] = $last_updated;
$responses[ $slug ] = $v;
}
}
// Store the master response for usage in the plugin table.
set_transient( $this->tran_name_theme_timestamps, $responses, 2 * DAY_IN_SECONDS );
if ( 0 === count( $all_themes ) ) {
delete_transient( $this->tran_name_themes_to_batch );
} else {
set_transient( $this->tran_name_themes_to_batch, $all_themes, 2 * DAY_IN_SECONDS );
wp_schedule_single_event( time(), $this->cron_name_batching );
}
}
/**
* Try to get response body.
*
* @param string $theme Theme slug.
* @return string|bool Return response $body or FALSE on failure.
*/
private function try_get_response_body( $theme ) {
// Get the WordPress current version to be polite in the API call.
include ABSPATH . WPINC . '/version.php';
$url = 'http://api.wordpress.org/themes/info/1.0/';
$http_url = 'http://api.wordpress.org/themes/info/1.0/';
$ssl = wp_http_supports( array( 'ssl' ) );
if ( $ssl ) {
$url = set_url_scheme( $url, 'https' );
}
$args = array(
'slug' => $theme,
'fields' => array(
'sections' => false,
'tags' => false,
),
);
$args = (object) $args;
$http_args = array(
'body' => array(
'action' => 'theme_information',
'request' => serialize( $args ), // phpcs:ignore -- third party compatible.
),
);
$raw_response = wp_remote_post( $url, $http_args );
if ( ! is_wp_error( $raw_response ) && 200 === (int) wp_remote_retrieve_response_code( $raw_response ) ) {
// Get the actual body.
$body = wp_remote_retrieve_body( $raw_response );
// Make sure that it isn't empty and also not an empty serialized object.
if ( '' !== $body && 'N;' !== $body ) {
return $body;
}
}
// The above valid.
// If we previously tried an SSL version try without SSL.
// Code below same as above block.
if ( $ssl ) {
$raw_response = wp_remote_post( $http_url, $http_args );
if ( ! is_wp_error( $raw_response ) && 200 === (int) wp_remote_retrieve_response_code( $raw_response ) ) {
$body = wp_remote_retrieve_body( $raw_response );
if ( '' !== $body && 'N;' !== $body ) {
return $body;
}
}
}
// Everything above failed, bail!
return false;
}
}