File "cerber-maintenance.php"
Full Path: /home/concvitk/public_html/wp-content/plugins/wp-cerber/cerber-maintenance.php
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MIME-type: text/x-php
Charset: utf-8
<?php
/*
Copyright (C) 2015-22 CERBER TECH INC., https://cerber.tech
Copyright (C) 2015-22 Markov Gregory, https://wpcerber.com
Licenced under the GNU GPL.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
*========================================================================*
| |
| ATTENTION! Do not change or edit this file! |
| |
*========================================================================*
*/
if ( ! class_exists( 'Plugin_Upgrader' ) ) {
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
}
/**
* Makes array of human readable update report
*
* @param array $data
* @param bool $display_errors
*
* @return array String to log or to display
*/
function cerber_flat_results( $data = array(), $display_errors = false ) {
$ret = array();
if ( ! is_array( $data ) || empty( $data ) ) {
return $ret;
}
foreach ( $data as $key => $item ) {
if ( $item['info'] ) {
}
if ( $item['status'] ) {
$ret = array_merge( $ret, $item['status'] );
}
if ( $item['errors'] ) {
foreach ( $item['errors'] as $err ) {
$e = $err[1];
$more = crb_array_get( $err, 2 );
if ( $more ) {
$e .= '(' . $more . ')';
}
$ret[] = 'An error occurred while updating ' . $item['info']['Name'] . ': ' . $e;
if ( $err[0] == 'no_update' ) {
continue;
}
if ( $display_errors ) {
cerber_admin_notice( 'An error occurred while updating ' . $item['info']['Name'] . ': ' . $e );
}
}
}
}
return $ret;
}
function cerber_update_plugin( $plugin_id = '' ) {
static $silent_skin, $upgrader;
$ret = array( 'status' => array(), 'errors' => array() );
$errors = array();
crb_is_task_permitted( true );
ob_start();
$fs = cerber_init_wp_filesystem();
if ( crb_is_wp_error( $fs ) ) {
$code = $fs->get_error_code();
$ret['errors'] = array(
array(
$code,
$fs->get_error_message( $code ),
$fs->get_error_data( $code )
)
);
$junk = ob_get_clean();
return $ret;
}
$plugins = get_plugins();
$ret['status'][] = 'Upgrading ' . $plugins[ $plugin_id ]['Name'] . ' ' . $plugins[ $plugin_id ]['Version'];
if ( ! is_object( $silent_skin ) ) {
$silent_skin = new CRB_Upgrader_Skin();
}
if ( ! is_object( $upgrader ) ) {
$upgrader = new CRB_Plugin_Upgrader( $silent_skin );
}
$result = $upgrader->upgrade( $plugin_id );
$junk = ob_get_clean(); // should be empty
if ( ! $result ) {
$errors [] = array( 'upgrade-unknown', 'Unknown file error' );
}
elseif ( crb_is_wp_error( $result ) ) {
foreach ( $result->get_error_codes() as $code ) {
$errors [] = array(
$code,
$result->get_error_message( $code ),
$result->get_error_data( $code )
);
}
}
$ret['errors'] = $errors;
$ret['status'] = array_merge( $ret['status'], $silent_skin->the_status );
$plugins = get_plugins();
$ret['info'] = $plugins[ $plugin_id ];
return $ret;
}
/**
* Class CRB_Plugin_Upgrader
* Installs the latest version of the plugin, remove other actions, provides more info in case of error
*
*/
class CRB_Plugin_Upgrader extends Plugin_Upgrader {
private $flushed = false;
public function upgrade( $plugin, $args = array() ) {
$this->download_update_info(); // Use fresh data from wordpress.org
$defaults = array(
'clear_update_cache' => true,
);
$parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->upgrade_strings();
$wp_org = get_site_transient( 'update_plugins' );
if ( isset( $wp_org->response[ $plugin ] ) ) {
$url = $wp_org->response[ $plugin ]->package;
}
else {
return new WP_Error( 'no_update', 'No newer version found' );
}
// No other default updates are allowed!
remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
remove_action( 'upgrader_process_complete', 'wp_version_check' );
remove_action( 'upgrader_process_complete', 'wp_update_plugins' );
remove_action( 'upgrader_process_complete', 'wp_update_themes' );
// In the background update it will deactivate the plugin
// add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2);
add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 );
//'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
if ( $parsed_args['clear_update_cache'] ) {
// Clear cache so wp_update_plugins() knows about the new plugin.
add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 );
}
$run_result = $this->run( array(
'package' => $url,
'destination' => WP_PLUGIN_DIR,
'clear_destination' => true,
'clear_working' => true,
'hook_extra' => array(
'plugin' => $plugin,
'type' => 'plugin',
'action' => 'update',
),
) );
// Cleanup our hooks, in case something else does a upgrade on this connection.
remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 );
remove_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ) );
remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) );
if ( crb_is_wp_error( $run_result ) ) { // Typically filesystem errors
return $run_result; // not the same as $this->result (who knows why)
}
if ( ! $this->result || crb_is_wp_error( $this->result ) ) {
return $this->result;
}
// Force refresh of plugin update information
wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
return true;
}
private function download_update_info() {
if ( ! $this->flushed ) {
delete_site_transient( 'update_plugins' );
wp_update_plugins();
}
$this->flushed = true; // Update once in case of bulk update
}
}
class CRB_Upgrader_Skin extends WP_Upgrader_Skin {
public $the_status = array();
public function __construct() { // simply avoid parsing unnecessary parameters
$defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
$this->options = $defaults;
}
/*
* Saves results for further usage instead of flushing it to a user browser
*
*/
public function feedback( $string, ...$args ) { // Variadic functions requires PHP 5.6
if ( isset( $this->upgrader->strings[ $string ] ) ) {
$string = $this->upgrader->strings[ $string ];
}
if ( strpos( $string, '%' ) !== false ) {
if ( $args ) {
$args = array_map( 'strip_tags', $args );
$args = array_map( 'esc_html', $args );
$string = vsprintf( $string, $args );
}
}
if ( empty( $string ) ) {
return;
}
//show_message($string); No flush!
$this->the_status[] = $string;
}
public function header() {
// No output
}
public function footer() {
// No output
}
}