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); //TODO optimizations, Copy when Move/Rename would suffice? // 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', $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', $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); //Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) ); if ( ! $res ) //Mainly for non-connected filesystem. return false; if ( ! $is_multi ) // call $this->header separately if running multiple times $this->skin->header(); $this->skin->before(); if ( is_wp_error($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 ) $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( $defaults, $args ); $this->init(); $this->install_strings(); add_filter('upgrader_source_selection', array($this, 'check_package') ); $this->run( array( 'package' => $package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => false, // Do not overwrite files. 'clear_working' => true, 'hook_extra' => array() ) ); remove_filter('upgrader_source_selection', array($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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'plugin' ), $package ); return true; } function upgrade( $plugin, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $defaults, $args ); $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' => $plugin ), ) ); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_pre_install', array($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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin' ), $plugin ); return true; } function bulk_upgrade( $plugins, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $defaults, $args ); $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); $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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true ), $plugins ); 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', $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; $plugin = isset($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( $defaults, $args ); $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' => $package, 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ) ); remove_filter('upgrader_source_selection', array($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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'theme' ), $package ); return true; } function upgrade( $theme, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $defaults, $args ); $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' => $theme ), ) ); remove_filter('upgrader_pre_install', array($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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme' ), $theme ); return true; } function bulk_upgrade( $themes, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $defaults, $args ); $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); $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'] ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme', 'bulk' => true ), $themes ); 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', $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', $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', $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 ); } } /** * 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.' ); } function upgrade( $current, $args = array() ) { global $wp_filesystem, $wp_version; $defaults = array( ); $parsed_args = wp_parse_args( $defaults, $args ); $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()); // 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 ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version ) $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', $this->strings['copy_failed']); } $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE); require(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 ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ), $result ); return $result; } // Determines if this WordPress Core version should update to $offered_ver or not static function should_upgrade_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 = false; $upgrade_minor = false; // @TODO: Update for release by toggling to 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; // 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; } } /** * 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 Upgrader helper class * * @since 3.7.0 */ class WP_Automatic_Upgrader { static $skin; static function upgrader_disabled() { // That's a no if you don't want files changes if ( defined( 'DISABLE_FILE_MODS' ) && DISABLE_FILE_MODS ) return true; // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters if ( defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED ) return true; if ( defined( 'WP_INSTALLING' ) ) return true; return apply_filters( 'auto_upgrader_disabled', false ); } /** * Tests to see if we should upgrade a specific item, does not test to see if we CAN update the item. */ static function should_auto_update( $type, $item, $context ) { if ( self::upgrader_disabled() ) return false; // ..and also check for GIT/SVN checkouts if ( ! apply_filters( 'auto_upgrade_ignore_checkout_status', false ) ) { $stop_dirs = array( ABSPATH, untrailingslashit( $context ), ); if ( ! file_exists( ABSPATH . '/wp-config.php' ) ) // wp-config.php up one folder in a deployment situation $stop_dirs[] = dirname( ABSPATH ); foreach ( array_unique( $stop_dirs ) as $dir ) { if ( file_exists( $dir . '/.svn' ) || file_exists( $dir . '/.git' ) ) return false; } } // Next up, do we actually have it enabled for this type of update? switch ( $type ) { case 'core': $upgrade = Core_Upgrader::should_upgrade_to_version( $item->current ); break; default: case 'plugin': case 'theme': $upgrade = false; break; } // And does the user / plugins want it? // Plugins may filter on 'auto_upgrade_plugin', and check the 2nd param, $item, to only enable it for certain Plugins/Themes if ( ! apply_filters( 'auto_upgrade_' . $type, $upgrade, $item ) ) return false; // If it's a core update, are we actually compatible with it's 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; } // Checks to see if WP_Filesystem is setup to allow unattended upgrades static function can_auto_update( $context ) { if ( ! self::$skin ) self::$skin = new Automatic_Upgrader_Skin(); return (bool) self::$skin->request_filesystem_credentials( false, $context ); } static function upgrade( $type, $item ) { self::$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', function( $message ) { WP_Background_Upgrader::$skin->feedback( $message ); return $message; } ); $upgrader = new Core_Upgrader( self::$skin ); $context = ABSPATH; break; case 'plugin': $upgrader = new Plugin_Upgrader( self::$skin ); $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR break; case 'theme': $upgrader = new Theme_Upgrader( self::$skin ); $context = get_theme_root( $item ); break; } // Determine if we can perform this upgrade or not if ( ! self::should_auto_update( $type, $item, $context ) || ! self::can_auto_update( $context ) ) return false; /*wp_mail( get_site_option( 'admin_email' ), __METHOD__, "Starting an upgrade for:\n\n" . var_export( compact( 'type', 'item' ), true ) . "\n\n" . wp_debug_backtrace_summary() );*/ // Boom, This sites about to get a whole new splash of paint! $upgrade_result = $upgrader->upgrade( $item, array( 'clear_update_cache' => false, ) ); // Core doesn't output this, so lets append it so we don't get confused if ( 'core' == $type ) { if ( is_wp_error( $upgrade_result ) ) { self::$skin->error( __( 'Installation Failed' ), $upgrade_result ); } else { self::$skin->feedback( __( 'WordPress updated successfully' ) ); } } // Clear cache's and transients switch ( $type ) { case 'core': delete_site_transient( 'update_core' ); break; case 'theme': wp_clean_themes_cache(); break; case 'plugin': wp_clean_plugins_cache(); break; } //var_dump( compact( 'type', 'item', 'upgrader', 'upgrade_result' ) ); wp_mail( get_site_option( 'admin_email' ), __METHOD__, var_export( array( $upgrade_result, $upgrader, self::$skin, ), true ) ); return $upgrade_result; } /** * Kicks off a upgrade request for each item in the upgrade "queue" */ static function perform_auto_updates() { $lock_name = 'auto_upgrader.lock'; if ( get_site_transient( $lock_name ) ) { // Test to see if it was set more than an hour ago, if so, cleanup. if ( true || get_site_transient( $lock_name ) < ( time() - HOUR_IN_SECONDS ) ) delete_site_transient( $lock_name ); else // Recent lock return; } // Lock upgrades for us for half an hour if ( ! set_site_transient( $lock_name, microtime( true ), HOUR_IN_SECONDS / 2 ) ) return; // 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 ) { self::upgrade( '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 ) { self::upgrade( 'theme', $theme ); } // Force refresh of theme update information wp_clean_themes_cache(); } // Finally, Process any core upgrade wp_version_check(); // Check for Core updates $core_update = find_core_auto_update(); if ( $core_update ) self::upgrade( 'core', $core_update ); // Cleanup, These won't trigger any updates this time due to the locking transient wp_version_check(); // check for Core updates wp_update_themes(); // Check for Theme updates wp_update_plugins(); // Check for Plugin updates // TODO The core database upgrade has already cleared this transient.. delete_site_transient( $lock_name ); } }