skin = new WP_Upgrader_Skin(); else $this->skin = $skin; } function init() { $this->skin->set_upgrader($this); $this->generic_strings(); } function generic_strings() { $this->strings['bad_request'] = __('Invalid Data provided.'); $this->strings['fs_unavailable'] = __('Could not access filesystem.'); $this->strings['fs_error'] = __('Filesystem error.'); $this->strings['fs_no_root_dir'] = __('Unable to locate WordPress Root directory.'); $this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).'); $this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress Plugin directory.'); $this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress Theme directory.'); /* translators: %s: directory name */ $this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).'); $this->strings['download_failed'] = __('Download failed.'); $this->strings['installing_package'] = __('Installing the latest version…'); $this->strings['no_files'] = __('The package contains no files.'); $this->strings['folder_exists'] = __('Destination folder already exists.'); $this->strings['mkdir_failed'] = __('Could not create directory.'); $this->strings['incompatible_archive'] = __('The package could not be installed.'); $this->strings['maintenance_start'] = __('Enabling Maintenance mode…'); $this->strings['maintenance_end'] = __('Disabling Maintenance mode…'); } function fs_connect( $directories = array() ) { global $wp_filesystem; if ( false === ($credentials = $this->skin->request_filesystem_credentials()) ) return false; if ( ! WP_Filesystem($credentials) ) { $error = true; if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() ) $error = $wp_filesystem->errors; $this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again return false; } if ( ! is_object($wp_filesystem) ) return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] ); if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors); foreach ( (array)$directories as $dir ) { switch ( $dir ) { case ABSPATH: if ( ! $wp_filesystem->abspath() ) return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']); break; case WP_CONTENT_DIR: if ( ! $wp_filesystem->wp_content_dir() ) return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']); break; case WP_PLUGIN_DIR: if ( ! $wp_filesystem->wp_plugins_dir() ) return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']); break; case get_theme_root(): if ( ! $wp_filesystem->wp_themes_dir() ) return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); break; default: if ( ! $wp_filesystem->find_folder($dir) ) return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) ); break; } } return true; } //end fs_connect(); function download_package($package) { /** * Filter whether to return the package. * * @since 3.7.0 * * @param bool $reply Whether to bail without returning the package. Default is false. * @param string $package The package file name. * @param object $this The WP_Upgrader instance. */ $reply = apply_filters( 'upgrader_pre_download', false, $package, $this ); if ( false !== $reply ) return $reply; if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote? return $package; //must be a local file.. if ( empty($package) ) return new WP_Error('no_package', $this->strings['no_package']); $this->skin->feedback('downloading_package', $package); $download_file = download_url($package); if ( is_wp_error($download_file) ) return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message()); return $download_file; } function unpack_package($package, $delete_package = true) { global $wp_filesystem; $this->skin->feedback('unpack_package'); $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/'; //Clean up contents of upgrade directory beforehand. $upgrade_files = $wp_filesystem->dirlist($upgrade_folder); if ( !empty($upgrade_files) ) { foreach ( $upgrade_files as $file ) $wp_filesystem->delete($upgrade_folder . $file['name'], true); } //We need a working directory $working_dir = $upgrade_folder . basename($package, '.zip'); // Clean up working directory if ( $wp_filesystem->is_dir($working_dir) ) $wp_filesystem->delete($working_dir, true); // Unzip package to working directory $result = unzip_file( $package, $working_dir ); // Once extracted, delete the package if required. if ( $delete_package ) unlink($package); if ( is_wp_error($result) ) { $wp_filesystem->delete($working_dir, true); if ( 'incompatible_archive' == $result->get_error_code() ) { return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() ); } return $result; } return $working_dir; } function install_package( $args = array() ) { global $wp_filesystem, $wp_theme_directories; $defaults = array( 'source' => '', // Please always pass this 'destination' => '', // and this 'clear_destination' => false, 'clear_working' => false, 'abort_if_destination_exists' => true, 'hook_extra' => array() ); $args = wp_parse_args($args, $defaults); extract($args); @set_time_limit( 300 ); if ( empty($source) || empty($destination) ) return new WP_Error('bad_request', $this->strings['bad_request']); $this->skin->feedback('installing_package'); $res = apply_filters('upgrader_pre_install', true, $hook_extra); if ( is_wp_error($res) ) return $res; //Retain the Original source and destinations $remote_source = $source; $local_destination = $destination; $source_files = array_keys( $wp_filesystem->dirlist($remote_source) ); $remote_destination = $wp_filesystem->find_folder($local_destination); //Locate which directory to copy to the new folder, This is based on the actual folder holding the files. if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents. $source = trailingslashit($source) . trailingslashit($source_files[0]); elseif ( count($source_files) == 0 ) return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files? else //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. $source = trailingslashit($source); //Hook ability to change the source file location.. $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this); if ( is_wp_error($source) ) return $source; //Has the source location changed? If so, we need a new source_files list. if ( $source !== $remote_source ) $source_files = array_keys( $wp_filesystem->dirlist($source) ); // Protection against deleting files in any important base directories. // Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the destination directory (WP_PLUGIN_DIR / wp-content/themes) // intending to copy the directory into the directory, whilst they pass the source as the actual files to copy. $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' ); if ( is_array( $wp_theme_directories ) ) $protected_directories = array_merge( $protected_directories, $wp_theme_directories ); if ( in_array( $destination, $protected_directories ) ) { $remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source)); $destination = trailingslashit($destination) . trailingslashit(basename($source)); } if ( $clear_destination ) { //We're going to clear the destination if there's something there $this->skin->feedback('remove_old'); $removed = true; if ( $wp_filesystem->exists($remote_destination) ) $removed = $wp_filesystem->delete($remote_destination, true); $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra); if ( is_wp_error($removed) ) return $removed; else if ( ! $removed ) return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); } elseif ( $abort_if_destination_exists && $wp_filesystem->exists($remote_destination) ) { //If we're not clearing the destination folder and something exists there already, Bail. //But first check to see if there are actually any files in the folder. $_files = $wp_filesystem->dirlist($remote_destination); if ( ! empty($_files) ) { $wp_filesystem->delete($remote_source, true); //Clear out the source files. return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination ); } } //Create destination if needed if ( !$wp_filesystem->exists($remote_destination) ) if ( !$wp_filesystem->mkdir($remote_destination, FS_CHMOD_DIR) ) return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination ); // Copy new version of item into place. $result = copy_dir($source, $remote_destination); if ( is_wp_error($result) ) { if ( $clear_working ) $wp_filesystem->delete($remote_source, true); return $result; } //Clear the Working folder? if ( $clear_working ) $wp_filesystem->delete($remote_source, true); $destination_name = basename( str_replace($local_destination, '', $destination) ); if ( '.' == $destination_name ) $destination_name = ''; $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); if ( is_wp_error($res) ) { $this->result = $res; return $res; } //Bombard the calling function will all the info which we've just used. return $this->result; } function run($options) { $defaults = array( 'package' => '', // Please always pass this. 'destination' => '', // And this 'clear_destination' => false, 'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please 'clear_working' => true, 'is_multi' => false, 'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters. ); $options = wp_parse_args($options, $defaults); extract($options); if ( ! $is_multi ) // call $this->header separately if running multiple times $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) ); // Mainly for non-connected filesystem. if ( ! $res ) { if ( ! $is_multi ) $this->skin->footer(); return false; } $this->skin->before(); if ( is_wp_error($res) ) { $this->skin->error($res); $this->skin->after(); if ( ! $is_multi ) $this->skin->footer(); return $res; } //Download the package (Note, This just returns the filename of the file if the package is a local file) $download = $this->download_package( $package ); if ( is_wp_error($download) ) { $this->skin->error($download); $this->skin->after(); if ( ! $is_multi ) $this->skin->footer(); return $download; } $delete_package = ($download != $package); // Do not delete a "local" file //Unzips the file into a temporary directory $working_dir = $this->unpack_package( $download, $delete_package ); if ( is_wp_error($working_dir) ) { $this->skin->error($working_dir); $this->skin->after(); if ( ! $is_multi ) $this->skin->footer(); return $working_dir; } //With the given options, this installs it to the destination directory. $result = $this->install_package( array( 'source' => $working_dir, 'destination' => $destination, 'clear_destination' => $clear_destination, 'abort_if_destination_exists' => $abort_if_destination_exists, 'clear_working' => $clear_working, 'hook_extra' => $hook_extra ) ); $this->skin->set_result($result); if ( is_wp_error($result) ) { $this->skin->error($result); $this->skin->feedback('process_failed'); } else { //Install Succeeded $this->skin->feedback('process_success'); } $this->skin->after(); if ( ! $is_multi ) { do_action( 'upgrader_process_complete', $this, $hook_extra ); $this->skin->footer(); } return $result; } function maintenance_mode($enable = false) { global $wp_filesystem; $file = $wp_filesystem->abspath() . '.maintenance'; if ( $enable ) { $this->skin->feedback('maintenance_start'); // Create maintenance file to signal that we are upgrading $maintenance_string = ''; $wp_filesystem->delete($file); $wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE); } else if ( !$enable && $wp_filesystem->exists($file) ) { $this->skin->feedback('maintenance_end'); $wp_filesystem->delete($file); } } } /** * Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Plugin_Upgrader extends WP_Upgrader { var $result; var $bulk = false; var $show_before = ''; function upgrade_strings() { $this->strings['up_to_date'] = __('The plugin is at the latest version.'); $this->strings['no_package'] = __('Update package not available.'); $this->strings['downloading_package'] = __('Downloading update from %s…'); $this->strings['unpack_package'] = __('Unpacking the update…'); $this->strings['remove_old'] = __('Removing the old version of the plugin…'); $this->strings['remove_old_failed'] = __('Could not remove the old plugin.'); $this->strings['process_failed'] = __('Plugin update failed.'); $this->strings['process_success'] = __('Plugin updated successfully.'); } function install_strings() { $this->strings['no_package'] = __('Install package not available.'); $this->strings['downloading_package'] = __('Downloading install package from %s…'); $this->strings['unpack_package'] = __('Unpacking the package…'); $this->strings['installing_package'] = __('Installing the plugin…'); $this->strings['no_files'] = __('The plugin contains no files.'); $this->strings['process_failed'] = __('Plugin install failed.'); $this->strings['process_success'] = __('Plugin installed successfully.'); } function install( $package, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); add_filter('upgrader_source_selection', array($this, 'check_package') ); $this->run( array( 'package' => $package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => false, // Do not overwrite files. 'clear_working' => true, 'hook_extra' => array( 'type' => 'plugin', 'action' => 'install', ) ) ); remove_filter('upgrader_source_selection', array($this, 'check_package') ); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of plugin update information wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return true; } function upgrade( $plugin, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); $current = get_site_transient( 'update_plugins' ); if ( !isset( $current->response[ $plugin ] ) ) { $this->skin->before(); $this->skin->set_result(false); $this->skin->error('up_to_date'); $this->skin->after(); return false; } // Get the URL to the zip file $r = $current->response[ $plugin ]; add_filter('upgrader_pre_install', array($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. $this->run( array( 'package' => $r->package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'plugin' => $plugin, 'type' => 'plugin', 'action' => 'update', ), ) ); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of plugin update information wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return true; } function bulk_upgrade( $plugins, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; $this->upgrade_strings(); $current = get_site_transient( 'update_plugins' ); add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) ); if ( ! $res ) { $this->skin->footer(); return false; } $this->skin->bulk_header(); // Only start maintenance mode if: // - running Multisite and there are one or more plugins specified, OR // - a plugin with an update available is currently active. // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. $maintenance = ( is_multisite() && ! empty( $plugins ) ); foreach ( $plugins as $plugin ) $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) ); if ( $maintenance ) $this->maintenance_mode(true); $results = array(); $this->update_count = count($plugins); $this->update_current = 0; foreach ( $plugins as $plugin ) { $this->update_current++; $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true); if ( !isset( $current->response[ $plugin ] ) ) { $this->skin->set_result(true); $this->skin->before(); $this->skin->feedback('up_to_date'); $this->skin->after(); $results[$plugin] = true; continue; } // Get the URL to the zip file $r = $current->response[ $plugin ]; $this->skin->plugin_active = is_plugin_active($plugin); $result = $this->run( array( 'package' => $r->package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => true, 'clear_working' => true, 'is_multi' => true, 'hook_extra' => array( 'plugin' => $plugin ) ) ); $results[$plugin] = $this->result; // Prevent credentials auth screen from displaying multiple times if ( false === $result ) break; } //end foreach $plugins $this->maintenance_mode(false); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true, 'plugins' => $plugins, ) ); $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); // Force refresh of plugin update information wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return $results; } function check_package($source) { global $wp_filesystem; if ( is_wp_error($source) ) return $source; $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source); if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation. return $source; // Check the folder contains at least 1 valid plugin. $plugins_found = false; foreach ( glob( $working_directory . '*.php' ) as $file ) { $info = get_plugin_data($file, false, false); if ( !empty( $info['Name'] ) ) { $plugins_found = true; break; } } if ( ! $plugins_found ) return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); return $source; } //return plugin info. function plugin_info() { if ( ! is_array($this->result) ) return false; if ( empty($this->result['destination_name']) ) return false; $plugin = get_plugins('/' . $this->result['destination_name']); //Ensure to pass with leading slash if ( empty($plugin) ) return false; $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list return $this->result['destination_name'] . '/' . $pluginfiles[0]; } //Hooked to pre_install function deactivate_plugin_before_upgrade($return, $plugin) { if ( is_wp_error($return) ) //Bypass. return $return; // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it if ( defined( 'DOING_CRON' ) && DOING_CRON ) return $return; $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; if ( empty($plugin) ) return new WP_Error('bad_request', $this->strings['bad_request']); if ( is_plugin_active($plugin) ) { //Deactivate the plugin silently, Prevent deactivation hooks from running. deactivate_plugins($plugin, true); } } //Hooked to upgrade_clear_destination function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) { global $wp_filesystem; if ( is_wp_error($removed) ) return $removed; //Pass errors through. $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; if ( empty($plugin) ) return new WP_Error('bad_request', $this->strings['bad_request']); $plugins_dir = $wp_filesystem->wp_plugins_dir(); $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) ); if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished. return $removed; // If plugin is in its own directory, recursively delete the directory. if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that it's not the root plugin folder $deleted = $wp_filesystem->delete($this_plugin_dir, true); else $deleted = $wp_filesystem->delete($plugins_dir . $plugin); if ( ! $deleted ) return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); return true; } } /** * Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Theme_Upgrader extends WP_Upgrader { var $result; var $bulk = false; function upgrade_strings() { $this->strings['up_to_date'] = __('The theme is at the latest version.'); $this->strings['no_package'] = __('Update package not available.'); $this->strings['downloading_package'] = __('Downloading update from %s…'); $this->strings['unpack_package'] = __('Unpacking the update…'); $this->strings['remove_old'] = __('Removing the old version of the theme…'); $this->strings['remove_old_failed'] = __('Could not remove the old theme.'); $this->strings['process_failed'] = __('Theme update failed.'); $this->strings['process_success'] = __('Theme updated successfully.'); } function install_strings() { $this->strings['no_package'] = __('Install package not available.'); $this->strings['downloading_package'] = __('Downloading install package from %s…'); $this->strings['unpack_package'] = __('Unpacking the package…'); $this->strings['installing_package'] = __('Installing the theme…'); $this->strings['no_files'] = __('The theme contains no files.'); $this->strings['process_failed'] = __('Theme install failed.'); $this->strings['process_success'] = __('Theme installed successfully.'); /* translators: 1: theme name, 2: version */ $this->strings['process_success_specific'] = __('Successfully installed the theme %1$s %2$s.'); $this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_prepare_install'] = __('Preparing to install %1$s %2$s…'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_currently_installed'] = __('The parent theme, %1$s %2$s, is currently installed.'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, %1$s %2$s.'); $this->strings['parent_theme_not_found'] = __('The parent theme could not be found. You will need to install the parent theme, %s, before you can use this child theme.'); } function check_parent_theme_filter($install_result, $hook_extra, $child_result) { // Check to see if we need to install a parent theme $theme_info = $this->theme_info(); if ( ! $theme_info->parent() ) return $install_result; $this->skin->feedback( 'parent_theme_search' ); if ( ! $theme_info->parent()->errors() ) { $this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') ); // We already have the theme, fall through. return $install_result; } // We don't have the parent theme, lets install it $api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth. if ( ! $api || is_wp_error($api) ) { $this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') ); // Don't show activate or preview actions after install add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); return $install_result; } // Backup required data we're going to override: $child_api = $this->skin->api; $child_success_message = $this->strings['process_success']; // Override them $this->skin->api = $api; $this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version); $this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version); add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme. // Install the parent theme $parent_result = $this->run( array( 'package' => $api->download_link, 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ) ); if ( is_wp_error($parent_result) ) add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); // Start cleaning up after the parents installation remove_filter('install_theme_complete_actions', '__return_false', 999); // Reset child's result and data $this->result = $child_result; $this->skin->api = $child_api; $this->strings['process_success'] = $child_success_message; return $install_result; } function hide_activate_preview_actions($actions) { unset($actions['activate'], $actions['preview']); return $actions; } function install( $package, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); add_filter('upgrader_source_selection', array($this, 'check_package') ); add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3); $this->run( array( 'package' => $package, 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true, 'hook_extra' => array( 'type' => 'theme', 'action' => 'install', ), ) ); remove_filter('upgrader_source_selection', array($this, 'check_package') ); remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Refresh the Theme Update information wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } function upgrade( $theme, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); // Is an update available? $current = get_site_transient( 'update_themes' ); if ( !isset( $current->response[ $theme ] ) ) { $this->skin->before(); $this->skin->set_result(false); $this->skin->error('up_to_date'); $this->skin->after(); return false; } $r = $current->response[ $theme ]; add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); $this->run( array( 'package' => $r['package'], 'destination' => get_theme_root( $theme ), 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'theme' => $theme, 'type' => 'theme', 'action' => 'update', ), ) ); remove_filter('upgrader_pre_install', array($this, 'current_before')); remove_filter('upgrader_post_install', array($this, 'current_after')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } function bulk_upgrade( $themes, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; $this->upgrade_strings(); $current = get_site_transient( 'update_themes' ); add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR) ); if ( ! $res ) { $this->skin->footer(); return false; } $this->skin->bulk_header(); // Only start maintenance mode if: // - running Multisite and there are one or more themes specified, OR // - a theme with an update available is currently in use. // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. $maintenance = ( is_multisite() && ! empty( $themes ) ); foreach ( $themes as $theme ) $maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template(); if ( $maintenance ) $this->maintenance_mode(true); $results = array(); $this->update_count = count($themes); $this->update_current = 0; foreach ( $themes as $theme ) { $this->update_current++; $this->skin->theme_info = $this->theme_info($theme); if ( !isset( $current->response[ $theme ] ) ) { $this->skin->set_result(true); $this->skin->before(); $this->skin->feedback('up_to_date'); $this->skin->after(); $results[$theme] = true; continue; } // Get the URL to the zip file $r = $current->response[ $theme ]; $result = $this->run( array( 'package' => $r['package'], 'destination' => get_theme_root( $theme ), 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'theme' => $theme ), ) ); $results[$theme] = $this->result; // Prevent credentials auth screen from displaying multiple times if ( false === $result ) break; } //end foreach $plugins $this->maintenance_mode(false); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true, 'themes' => $themes, ) ); $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_pre_install', array($this, 'current_before')); remove_filter('upgrader_post_install', array($this, 'current_after')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); // Refresh the Theme Update information wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return $results; } function check_package($source) { global $wp_filesystem; if ( is_wp_error($source) ) return $source; // Check the folder contains a valid theme $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source); if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation. return $source; // A proper archive should have a style.css file in the single subdirectory if ( ! file_exists( $working_directory . 'style.css' ) ) return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'], __( 'The theme is missing the style.css stylesheet.' ) ); $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) ); if ( empty( $info['Name'] ) ) return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The style.css stylesheet doesn't contain a valid theme header." ) ); // If it's not a child theme, it must have at least an index.php to be legit. if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the index.php file.' ) ); return $source; } function current_before($return, $theme) { if ( is_wp_error($return) ) return $return; $theme = isset($theme['theme']) ? $theme['theme'] : ''; if ( $theme != get_stylesheet() ) //If not current return $return; //Change to maintenance mode now. if ( ! $this->bulk ) $this->maintenance_mode(true); return $return; } function current_after($return, $theme) { if ( is_wp_error($return) ) return $return; $theme = isset($theme['theme']) ? $theme['theme'] : ''; if ( $theme != get_stylesheet() ) // If not current return $return; // Ensure stylesheet name hasn't changed after the upgrade: if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) { wp_clean_themes_cache(); $stylesheet = $this->result['destination_name']; switch_theme( $stylesheet ); } //Time to remove maintenance mode if ( ! $this->bulk ) $this->maintenance_mode(false); return $return; } function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) { global $wp_filesystem; if ( is_wp_error( $removed ) ) return $removed; // Pass errors through. if ( ! isset( $theme['theme'] ) ) return $removed; $theme = $theme['theme']; $themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) ); if ( $wp_filesystem->exists( $themes_dir . $theme ) ) { if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) return false; } return true; } function theme_info($theme = null) { if ( empty($theme) ) { if ( !empty($this->result['destination_name']) ) $theme = $this->result['destination_name']; else return false; } return wp_get_theme( $theme ); } } add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); class Language_Pack_Upgrader extends WP_Upgrader { var $result; var $bulk = true; static function async_upgrade( $upgrader = false ) { // Avoid recursion. if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) return; // Nothing to do? $language_updates = wp_get_translation_updates(); if ( ! $language_updates ) return; $skin = new Language_Pack_Upgrader_Skin( array( 'skip_header_footer' => true, ) ); $lp_upgrader = new Language_Pack_Upgrader( $skin ); $lp_upgrader->upgrade(); } function upgrade_strings() { $this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' ); $this->strings['up_to_date'] = __( 'The translation is up to date.' ); // We need to silently skip this case $this->strings['no_package'] = __( 'Update package not available.' ); $this->strings['downloading_package'] = __( 'Downloading translation from %s…' ); $this->strings['unpack_package'] = __( 'Unpacking the update…' ); $this->strings['process_failed'] = __( 'Translation update failed.' ); $this->strings['process_success'] = __( 'Translation updated successfully.' ); } function upgrade( $update = false, $args = array() ) { if ( $update ) $update = array( $update ); $results = $this->bulk_upgrade( $update, $args ); return $results[0]; } function bulk_upgrade( $language_updates = array(), $args = array() ) { global $wp_filesystem; $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); if ( ! $language_updates ) $language_updates = wp_get_translation_updates(); if ( empty( $language_updates ) ) { $this->skin->header(); $this->skin->before(); $this->skin->set_result( true ); $this->skin->feedback( 'up_to_date' ); $this->skin->after(); $this->skin->bulk_footer(); $this->skin->footer(); return true; } if ( 'upgrader_process_complete' == current_filter() ) $this->skin->feedback( 'starting_upgrade' ); add_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 3 ); $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) ); if ( ! $res ) { $this->skin->footer(); return false; } $results = array(); $this->update_count = count( $language_updates ); $this->update_current = 0; // The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists, // as we then may need to create a /plugins or /themes directory inside of it. $remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR ); if ( ! $wp_filesystem->exists( $remote_destination ) ) if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination ); foreach ( $language_updates as $language_update ) { $this->skin->language_update = $language_update; $destination = WP_LANG_DIR; if ( 'plugin' == $language_update->type ) $destination .= '/plugins'; elseif ( 'theme' == $language_update->type ) $destination .= '/themes'; $this->update_current++; $options = array( 'package' => $language_update->package, 'destination' => $destination, 'clear_destination' => false, 'abort_if_destination_exists' => false, // We expect the destination to exist. 'clear_working' => true, 'is_multi' => true, 'hook_extra' => array( 'language_update_type' => $language_update->type, 'language_update' => $language_update, ) ); $result = $this->run( $options ); $results[] = $this->result; // Prevent credentials auth screen from displaying multiple times. if ( false === $result ) break; } $this->skin->bulk_footer(); $this->skin->footer(); // Clean up our hooks, in case something else does an upgrade on this connection. remove_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 2 ); if ( $parsed_args['clear_update_cache'] ) { wp_clean_themes_cache( true ); wp_clean_plugins_cache( true ); delete_site_transient( 'update_core' ); } return $results; } function check_package( $source, $remote_source ) { global $wp_filesystem; if ( is_wp_error( $source ) ) return $source; // Check that the folder contains a valid language. $files = $wp_filesystem->dirlist( $remote_source ); // Check to see if a .po and .mo exist in the folder. $po = $mo = false; foreach ( (array) $files as $file => $filedata ) { if ( '.po' == substr( $file, -3 ) ) $po = true; elseif ( '.mo' == substr( $file, -3 ) ) $mo = true; } if ( ! $mo || ! $po ) return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'], __( 'The language pack is missing either the .po or .mo files.' ) ); return $source; } function get_name_for_update( $update ) { switch ( $update->type ) { case 'core': return 'WordPress'; // Not translated break; case 'theme': $theme = wp_get_theme( $update->slug ); if ( $theme->exists() ) return $theme->Get( 'Name' ); break; case 'plugin': $plugin_data = get_plugins( '/' . $update->slug ); $plugin_data = array_shift( $plugin_data ); if ( $plugin_data ) return $plugin_data['Name']; break; } return ''; } } /** * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Core_Upgrader extends WP_Upgrader { function upgrade_strings() { $this->strings['up_to_date'] = __('WordPress is at the latest version.'); $this->strings['no_package'] = __('Update package not available.'); $this->strings['downloading_package'] = __('Downloading update from %s…'); $this->strings['unpack_package'] = __('Unpacking the update…'); $this->strings['copy_failed'] = __('Could not copy files.'); $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' ); $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' ); $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' ); } function upgrade( $current, $args = array() ) { global $wp_filesystem, $wp_version; $defaults = array( 'pre_check_md5' => true, 'attempt_rollback' => false, 'do_rollback' => false, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); // Is an update available? if ( !isset( $current->response ) || $current->response == 'latest' ) return new WP_Error('up_to_date', $this->strings['up_to_date']); $res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) ); if ( is_wp_error($res) ) return $res; $wp_dir = trailingslashit($wp_filesystem->abspath()); $partial = true; if ( $parsed_args['do_rollback'] ) $partial = false; elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() ) $partial = false; // If partial update is returned from the API, use that, unless we're doing a reinstall. // If we cross the new_bundled version number, then use the new_bundled zip. // Don't though if the constant is set to skip bundled items. // If the API returns a no_content zip, go with it. Finally, default to the full zip. if ( $parsed_args['do_rollback'] && $current->packages->rollback ) $to_download = 'rollback'; elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial ) $to_download = 'partial'; elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' ) && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) $to_download = 'new_bundled'; elseif ( $current->packages->no_content ) $to_download = 'no_content'; else $to_download = 'full'; $download = $this->download_package( $current->packages->$to_download ); if ( is_wp_error($download) ) return $download; $working_dir = $this->unpack_package( $download ); if ( is_wp_error($working_dir) ) return $working_dir; // Copy update-core.php from the new version into place. if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) { $wp_filesystem->delete($working_dir, true); return new WP_Error( 'copy_failed_for_update_core_file', $this->strings['copy_failed'] ); } $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE); require_once( ABSPATH . 'wp-admin/includes/update-core.php' ); if ( ! function_exists( 'update_core' ) ) return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] ); $result = update_core( $working_dir, $wp_dir ); // In the event of an issue, we may be able to roll back. if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) { $try_rollback = false; if ( is_wp_error( $result ) ) { $error_code = $result->get_error_code(); // Not all errors are equal. These codes are critical: copy_failed__copy_dir, // mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full. // do_rollback allows for update_core() to trigger a rollback if needed. if ( false !== strpos( $error_code, 'do_rollback' ) ) $try_rollback = true; elseif ( false !== strpos( $error_code, '__copy_dir' ) ) $try_rollback = true; elseif ( 'disk_full' === $error_code ) $try_rollback = true; } if ( $try_rollback ) { apply_filters( 'update_feedback', $result ); apply_filters( 'update_feedback', $this->strings['start_rollback'] ); $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) ); $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], array( 'rollback' => $rollback_result, 'update' => $result ) ); } } return $result; } // Determines if this WordPress Core version should update to $offered_ver or not static function should_update_to_version( $offered_ver /* x.y.z */ ) { include ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z $current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version ), 0, 2 ) ); // x.y $new_branch = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y $current_is_development_version = (bool) strpos( $wp_version, '-' ); // Defaults: $upgrade_dev = true; $upgrade_minor = true; $upgrade_major = false; // WP_AUTO_UPDATE_CORE = true (all), 'minor', false. if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) { if ( false === WP_AUTO_UPDATE_CORE ) { // Defaults to turned off, unless a filter allows it $upgrade_dev = $upgrade_minor = $upgrade_major = false; } elseif ( true === WP_AUTO_UPDATE_CORE ) { // ALL updates for core $upgrade_dev = $upgrade_minor = $upgrade_major = true; } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) { // Only minor updates for core $upgrade_dev = $upgrade_major = false; $upgrade_minor = true; } } // 1: If we're already on that version, not much point in updating? if ( $offered_ver == $wp_version ) return false; // 2: If we're running a newer version, that's a nope if ( version_compare( $wp_version, $offered_ver, '>' ) ) return false; $failure_data = get_site_option( 'auto_core_update_failed' ); if ( $failure_data ) { // If this was a critical update failure, cannot update. if ( ! empty( $failure_data['critical'] ) ) return false; // Don't claim we can update on update-core.php if we have a non-critical failure logged. if ( $wp_version == $failure_data['current'] && false !== strpos( $wp_version, '.1.next.minor' ) ) return false; // Cannot update if we're retrying the same A to B update that caused a non-critical failure. // Some non-critical failures do allow retries, like download_failed. // 3.7.1 => 3.7.2 resulted in files_not_writable, if we are still on 3.7.1 and still trying to update to 3.7.2. if ( empty( $failure_data['retry'] ) && $wp_version == $failure_data['current'] && $offered_ver == $failure_data['attempted'] ) return false; } // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2 if ( $current_is_development_version ) { if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) ) return false; // else fall through to minor + major branches below } // 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4) if ( $current_branch == $new_branch ) return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor ); // 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1) if ( version_compare( $new_branch, $current_branch, '>' ) ) return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); // If we're not sure, we don't want it return false; } function check_files() { global $wp_version, $wp_local_package; $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); if ( ! is_array( $checksums ) ) return false; foreach ( $checksums as $file => $checksum ) { // Skip files which get updated if ( 'wp-content' == substr( $file, 0, 10 ) ) continue; if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum ) return false; } return true; } } /** * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if it's a local file to the Upgrade/Installer functions. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class File_Upload_Upgrader { var $package; var $filename; var $id = 0; function __construct($form, $urlholder) { if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) wp_die(__('Please select a file')); //Handle a newly uploaded file, Else assume it's already been uploaded if ( ! empty($_FILES) ) { $overrides = array( 'test_form' => false, 'test_type' => false ); $file = wp_handle_upload( $_FILES[$form], $overrides ); if ( isset( $file['error'] ) ) wp_die( $file['error'] ); $this->filename = $_FILES[$form]['name']; $this->package = $file['file']; // Construct the object array $object = array( 'post_title' => $this->filename, 'post_content' => $file['url'], 'post_mime_type' => $file['type'], 'guid' => $file['url'], 'context' => 'upgrader', 'post_status' => 'private' ); // Save the data $this->id = wp_insert_attachment( $object, $file['file'] ); // schedule a cleanup for 2 hours from now in case of failed install wp_schedule_single_event( time() + 7200, 'upgrader_scheduled_cleanup', array( $this->id ) ); } elseif ( is_numeric( $_GET[$urlholder] ) ) { // Numeric Package = previously uploaded file, see above. $this->id = (int) $_GET[$urlholder]; $attachment = get_post( $this->id ); if ( empty($attachment) ) wp_die(__('Please select a file')); $this->filename = $attachment->post_title; $this->package = get_attached_file( $attachment->ID ); } else { // Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler. if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) wp_die( $uploads['error'] ); $this->filename = $_GET[$urlholder]; $this->package = $uploads['basedir'] . '/' . $this->filename; } } function cleanup() { if ( $this->id ) wp_delete_attachment( $this->id ); elseif ( file_exists( $this->package ) ) return @unlink( $this->package ); return true; } } /** * WordPress automatic background updater. * * @since 3.7.0 */ class WP_Automatic_Updater { protected $update_results = array(); function is_disabled() { // Background updates are disabled if you don't want file changes. if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) return true; if ( defined( 'WP_INSTALLING' ) ) return true; // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters. $disabled = defined( 'AUTOMATIC_UPDATES_DISABLED' ) && AUTOMATIC_UPDATES_DISABLED; return apply_filters( 'automatic_updates_disabled', $disabled ); } /** * Check for GIT/SVN checkouts. */ function is_vcs_checkout( $context ) { $context_dirs = array( untrailingslashit( $context ) ); if ( $context !== ABSPATH ) $context_dirs[] = untrailingslashit( ABSPATH ); $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); $check_dirs = array(); foreach ( $context_dirs as $context_dir ) { // Walk up from $context_dir to the root. do { $check_dirs[] = $context_dir; } while ( $context_dir != dirname( $context_dir ) && $context_dir = dirname( $context_dir ) ); } $check_dirs = array_unique( $check_dirs ); // Search all directories we've found for evidence of version control. foreach ( $vcs_dirs as $vcs_dir ) { foreach ( $check_dirs as $check_dir ) { if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) break 2; } } return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context ); } /** * Tests to see if we can and should update a specific item. */ function should_update( $type, $item, $context ) { if ( $this->is_disabled() ) return false; // Checks to see if WP_Filesystem is set up to allow unattended updates. $skin = new Automatic_Upgrader_Skin; if ( ! $skin->request_filesystem_credentials( false, $context ) ) return false; if ( $this->is_vcs_checkout( $context ) ) return false; // Next up, is this an item we can update? if ( 'core' == $type ) $update = Core_Upgrader::should_update_to_version( $item->current ); else $update = ! empty( $item->autoupdate ); // And does the user / plugins want it? // Plugins may filter on 'auto_update_plugin', and check the 2nd param, $item, to only enable it for certain Plugins/Themes $update = apply_filters( 'auto_update_' . $type, $update, $item ); if ( ! $update ) { // See if we need to notify users of a core update. if ( 'core' == $type && ! empty( $item->notify_email ) ) { $notify = true; $notified = get_site_option( 'auto_core_update_notified' ); // Don't notify if we've already notified the same email address of the same version. if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current ) return false; $this->send_email( 'manual', $item ); } return false; } // If it's a core update, are we actually compatible with its requirements? if ( 'core' == $type ) { global $wpdb; $php_compat = version_compare( phpversion(), $item->php_version, '>=' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) $mysql_compat = true; else $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' ); if ( ! $php_compat || ! $mysql_compat ) return false; } return true; } function update( $type, $item ) { $skin = new Automatic_Upgrader_Skin; switch ( $type ) { case 'core': // The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter. add_filter( 'update_feedback', array( $skin, 'feedback' ) ); $upgrader = new Core_Upgrader( $skin ); $context = ABSPATH; break; case 'plugin': $upgrader = new Plugin_Upgrader( $skin ); $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR break; case 'theme': $upgrader = new Theme_Upgrader( $skin ); $context = get_theme_root( $item ); break; case 'language': $upgrader = new Language_Pack_Upgrader( $skin ); $context = WP_CONTENT_DIR; // WP_LANG_DIR; break; } // Determine whether we can and should perform this update. if ( ! $this->should_update( $type, $item, $context ) ) return false; switch ( $type ) { case 'core': $skin->feedback( __( 'Updating to WordPress %s' ), $item->version ); $item_name = sprintf( __( 'WordPress %s' ), $item->version ); break; case 'theme': $theme = wp_get_theme( $item ); $item_name = $theme->Get( 'Name' ); $skin->feedback( __( 'Updating theme: %s' ), $item_name ); break; case 'plugin': $plugin_data = get_plugin_data( $context . '/' . $item ); $item_name = $plugin_data['Name']; $skin->feedback( __( 'Updating plugin: %s' ), $item_name ); break; case 'language': $language_item_name = $upgrader->get_name_for_update( $item ); $item_name = sprintf( __( 'Translations for %s' ), $language_item_name ); $skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)…' ), $language_item_name, $item->language ) ); break; } // Boom, This sites about to get a whole new splash of paint! $upgrade_result = $upgrader->upgrade( $item, array( 'clear_update_cache' => false, 'pre_check_md5' => false, /* always use partial builds if possible for core updates */ 'attempt_rollback' => true, /* only available for core updates */ ) ); // Core doesn't output this, so lets append it so we don't get confused if ( 'core' == $type ) { if ( is_wp_error( $upgrade_result ) ) { $skin->error( __( 'Installation Failed' ), $upgrade_result ); } else { $skin->feedback( __( 'WordPress updated successfully' ) ); } } $this->update_results[ $type ][] = (object) array( 'item' => $item, 'result' => $upgrade_result, 'name' => $item_name, 'messages' => $skin->get_upgrade_messages() ); return $upgrade_result; } /** * Kicks off a update request for each item in the update "queue". */ function run() { global $wpdb, $wp_version; if ( ! is_main_network() || ! is_main_site() ) return; $lock_name = 'auto_updater.lock'; // Try to lock $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); if ( ! $lock_result ) { $lock_result = get_option( $lock_name ); // If we couldn't create a lock, and there isn't a lock, bail if ( ! $lock_result ) return; // Check to see if the lock is still valid if ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) return; } // Update the lock, as by this point we've definately got a lock, just need to fire the actions update_option( $lock_name, time() ); // Don't automatically run these thins, as we'll handle it ourselves 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' ); // Next, Plugins wp_update_plugins(); // Check for Plugin updates $plugin_updates = get_site_transient( 'update_plugins' ); if ( $plugin_updates && !empty( $plugin_updates->response ) ) { foreach ( array_keys( $plugin_updates->response ) as $plugin ) { $this->update( 'plugin', $plugin ); } // Force refresh of plugin update information wp_clean_plugins_cache(); } // Next, those themes we all love wp_update_themes(); // Check for Theme updates $theme_updates = get_site_transient( 'update_themes' ); if ( $theme_updates && !empty( $theme_updates->response ) ) { foreach ( array_keys( $theme_updates->response ) as $theme ) { $this->update( 'theme', $theme ); } // Force refresh of theme update information wp_clean_themes_cache(); } // Next, Process any core update wp_version_check(); // Check for Core updates $extra_update_stats = array(); $core_update = find_core_auto_update(); if ( $core_update ) { $start_time = time(); $core_update_result = $this->update( 'core', $core_update ); delete_site_transient( 'update_core' ); $extra_update_stats['success'] = is_wp_error( $core_update_result ) ? $core_update_result->get_error_code() : true; $extra_update_stats['error_data'] = is_wp_error( $core_update_result ) ? $core_update_result->get_error_data() : ''; if ( is_wp_error( $core_update_result ) && 'rollback_was_required' == $core_update_result->get_error_code() ) { $rollback_data = $core_update_result->get_error_data(); $extra_update_stats['success'] = is_wp_error( $rollback_data['update'] ) ? $rollback_data['update']->get_error_code() : $rollback_data['update']; $extra_update_stats['error_data'] = is_wp_error( $rollback_data['update'] ) ? $rollback_data['update']->get_error_data() : ''; $extra_update_stats['rollback'] = is_wp_error( $rollback_data['rollback'] ) ? $rollback_data['rollback']->get_error_code() : true; // If it's not a WP_Error, the rollback was successful. $extra_update_stats['rollback_data'] = is_wp_error( $rollback_data['rollback'] ) ? $rollback_data['rollback']->get_error_data() : ''; } $extra_update_stats['fs_method'] = $GLOBALS['wp_filesystem']->method; $extra_update_stats['fs_method_forced'] = defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ); $extra_update_stats['time_taken'] = ( time() - $start_time ); $extra_update_stats['attempted'] = $core_update->version; } // Cleanup, and check for any pending translations wp_version_check( $extra_update_stats ); // check for Core updates wp_update_themes(); // Check for Theme updates wp_update_plugins(); // Check for Plugin updates // Finally, Process any new translations $language_updates = wp_get_translation_updates(); if ( $language_updates ) { foreach ( $language_updates as $update ) { $this->update( 'language', $update ); } // Clear existing caches wp_clean_plugins_cache(); wp_clean_themes_cache(); delete_site_transient( 'update_core' ); wp_version_check(); // check for Core updates wp_update_themes(); // Check for Theme updates wp_update_plugins(); // Check for Plugin updates } // Send debugging email to all development installs. if ( ! empty( $this->update_results ) ) { $development_version = false !== strpos( $wp_version, '-' ); if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) $this->send_debug_email(); if ( ! empty( $this->update_results['core'] ) ) $this->after_core_update( $this->update_results['core'][0] ); } // Clear the lock delete_option( $lock_name ); } /** * If we tried to perform a core update, check if we should send an email, * and if we need to avoid processing future updates. */ protected function after_core_update( $update_result ) { global $wp_version; $core_update = $update_result->item; $result = $update_result->result; if ( ! is_wp_error( $result ) ) { $this->send_email( 'success', $core_update ); return; } $error_code = $result->get_error_code(); // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files. // We should not try to perform a background update again until there is a successful one-click update performed by the user. $critical = false; if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) { $critical = true; } elseif ( $error_code === 'rollback_was_required' ) { $error_data = $result->get_error_data(); if ( is_wp_error( $error_data['rollback'] ) ) $critical = true; } elseif ( false !== strpos( $error_code, 'do_rollback' ) ) { $critical = true; } if ( $critical ) { update_site_option( 'auto_core_update_failed', array( 'attempted' => $core_update->current, 'current' => $wp_version, 'error_code' => $error_code, 'error_data' => $result->get_error_data(), 'timestamp' => time(), 'critical' => true, ) ); $this->send_email( 'critical', $core_update, $result ); return; } /* * Any other WP_Error code (like download_failed or files_not_writable) occurs before * we tried to copy over core files. Thus, the failures are early and graceful. * * We should avoid trying to perform a background update again for the same version. * But we can try again if another version is released. * * For certain 'transient' failures, like download_failed, we should allow retries. * In fact, let's schedule a special update for an hour from now. (It's possible * the issue could actually be on WordPress.org's side.) If that one fails, then email. */ $send = true; $transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro' ); if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) { wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' ); $send = false; } $n = get_site_option( 'auto_core_update_notified' ); // Don't notify if we've already notified the same email address of the same version of the same notification type. if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current ) $send = false; update_site_option( 'auto_core_update_failed', array( 'attempted' => $core_update->current, 'current' => $wp_version, 'error_code' => $error_code, 'error_data' => $result->get_error_data(), 'timestamp' => time(), 'retry' => in_array( $error_code, $transient_failures ), ) ); if ( $send ) $this->send_email( 'fail', $core_update, $result ); } protected function send_email( $type, $core_update, $result = null ) { update_site_option( 'auto_core_update_notified', array( 'type' => $type, 'email' => get_site_option( 'admin_email' ), 'version' => $core_update->current, 'timestamp' => time(), ) ); if ( ! apply_filters( 'automatic_updates_send_email', true, $type, $core_update, $result ) ) return; switch ( $type ) { case 'success' : // We updated. /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] Your site has updated to WordPress %2$s' ); break; case 'fail' : // We tried to update but couldn't. case 'manual' : // We can't update (and made no attempt). /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] WordPress %2$s is available. Please update!' ); break; case 'critical' : // We tried to update, started to copy files, then things went wrong. /* translators: 1: Site name. */ $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' ); break; default : return; } $subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $core_update->current ); $body = ''; switch ( $type ) { case 'success' : $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n" . __( 'No further action is needed on your part.' ); // Can only reference the About screen if their update was successful. list( $about_version ) = explode( '-', $core_update->current, 2 ); $body .= ' ' . sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version ); $body .= "\n" . admin_url( 'about.php' ); break; case 'fail' : case 'manual' : $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n"; if ( 'fail' == $type ) $body .= __( 'We tried but were unable to update your site automatically.' ) . ' '; $body .= __( 'Updating is easy and only takes a few moments:' ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; case 'critical' : $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." ); $body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; } // Updates are important! if ( $type != 'success' ) $body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ); // Add a note about the support forums to all emails. $body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' ); $body .= "\n" . __( 'http://wordpress.org/support/' ); // If things are successful, mention plugins and themes if any are out of date. if ( $type == 'success' && ( get_plugin_updates() || get_theme_updates() ) ) { $body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' ); $body .= "\n" . network_admin_url(); } $body .= "\n\n" . __( 'The WordPress Team' ) . "\n"; if ( 'critical' == $type && is_wp_error( $result ) ) { $body .= "\n***\n\n"; $body .= __( 'We have some data that describes the error your site encountered.' ); $body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' ); $body .= "\n\n" . sprintf( __( "Error code: %s" ), $result->get_error_code() ); if ( $result->get_error_message() ) $body .= "\n" . $result->get_error_message(); if ( $result->get_error_data() ) $body .= "\n" . implode( ', ', (array) $result->get_error_data() ); $body .= "\n"; } $to = get_site_option( 'admin_email' ); $headers = ''; $email = compact( 'to', 'body', 'subject', 'headers' ); $email = apply_filters( 'automatic_update_send_email', $email, $type, $core_update, $result ); wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] ); } protected function send_debug_email() { $update_count = 0; foreach ( $this->update_results as $type => $updates ) $update_count += count( $updates ); $body = array(); $failures = 0; $body[] = 'WordPress site: ' . network_home_url( '/' ); // Core if ( isset( $this->update_results['core'] ) ) { $result = $this->update_results['core'][0]; if ( $result->result && ! is_wp_error( $result->result ) ) { $body[] = sprintf( 'SUCCESS: WordPress was successfully updated to %s', $result->name ); } else { $body[] = sprintf( 'FAILED: WordPress failed to update to %s', $result->name ); $failures++; } $body[] = ''; } // Plugins, Themes, Languages foreach ( array( 'plugin', 'theme', 'language' ) as $type ) { if ( ! isset( $this->update_results[ $type ] ) ) continue; $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) ); if ( $success_items ) { $body[] = "The following {$type}s were successfully updated:"; foreach ( wp_list_pluck( $success_items, 'name' ) as $name ) $body[] = ' * SUCCESS: ' . $name; } if ( $success_items != $this->update_results[ $type ] ) { // Failed updates $body[] = "The following {$type}s failed to update:"; foreach ( $this->update_results[ $type ] as $item ) { if ( ! $item->result || is_wp_error( $item->result ) ) { $body[] = ' * FAILED: ' . $item->name; $failures++; } } } $body[] = ''; } if ( $failures ) { $body[] = ''; $body[] = 'BETA TESTING?'; $body[] = '============='; $body[] = ''; $body[] = 'This debugging email is sent when you are using a development version of WordPress.'; $body[] = ''; $body[] = 'If you think these failures might be due to a bug in WordPress, could you report it?'; $body[] = ' * Open a thread in the support forums: http://wordpress.org/support/forum/alphabeta'; $body[] = " * Or, if you're comfortable writing a bug report: http://core.trac.wordpress.org/"; $body[] = ''; $body[] = 'Thanks! -- The WordPress Team'; $body[] = ''; $subject = sprintf( '[%s] There were failures during background updates', get_bloginfo( 'name' ) ); } else { $subject = sprintf( '[%s] Background updates have finished', get_bloginfo( 'name' ) ); } $body[] = 'UPDATE LOG'; $body[] = '=========='; $body[] = ''; foreach ( array( 'core', 'plugin', 'theme', 'language' ) as $type ) { if ( ! isset( $this->update_results[ $type ] ) ) continue; foreach ( $this->update_results[ $type ] as $update ) { $body[] = $update->name; $body[] = str_repeat( '-', strlen( $update->name ) ); foreach ( $update->messages as $message ) $body[] = " " . html_entity_decode( str_replace( '…', '...', $message ) ); if ( is_wp_error( $update->result ) ) { $body[] = ' Error: [' . $update->result->get_error_code() . '] ' . $update->result->get_error_message(); if ( $update->result->get_error_data() ) $body[] = ' ' . implode( ', ', (array) $update->result->get_error_data() ); } $body[] = ''; } } //echo "

\n$subject\n

\n"; //echo "
\n" . implode( "\n", $body ) . "\n
"; wp_mail( get_site_option( 'admin_email' ), $subject, implode( "\n", $body ) ); } }