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['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 WP_CONTENT_DIR . '/themes': if ( ! $wp_filesystem->find_folder(WP_CONTENT_DIR . '/themes') ) 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) { 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; $defaults = array( 'source' => '', 'destination' => '', //Please always pass these 'clear_destination' => false, 'clear_working' => false, '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'], __( 'The plugin contains no files.' ) ); //There are no files? else //Its 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. if ( in_array( $destination, array(ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes') ) ) { $remote_destination = trailingslashit($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 ( $wp_filesystem->exists($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, '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 ( ! $res ) //Mainly for non-connected filesystem. return false; if ( is_wp_error($res) ) { $this->skin->error($res); return $res; } if ( !$is_multi ) // call $this->header separately if running multiple times $this->skin->header(); $this->skin->before(); //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(); 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(); 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, '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. * * @TODO More Detailed docs, for methods as well. * * @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['process_failed'] = __('Plugin install failed.'); $this->strings['process_success'] = __('Plugin installed successfully.'); } function install($package) { $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 $this->result; // Force refresh of plugin update information delete_site_transient('update_plugins'); wp_cache_delete( 'plugins', 'plugins' ); return true; } function upgrade($plugin) { $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 $this->result; // Force refresh of plugin update information delete_site_transient('update_plugins'); wp_cache_delete( 'plugins', 'plugins' ); } function bulk_upgrade($plugins) { $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 in Multisite OR the plugin is in use $maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible. foreach ( $plugins as $plugin ) $maintenance = $maintenance || (is_plugin_active($plugin) && isset($current->response[ $plugin ]) ); // Only activate Maintenance mode if a plugin is active AND has an update available 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 delete_site_transient('update_plugins'); wp_cache_delete( 'plugins', '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 its 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 its 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. * * @TODO More Detailed docs, for methods as well. * * @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['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' => $api->download_link, 'destination' => WP_CONTENT_DIR . '/themes', 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ) ); if ( is_wp_error($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) { $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); $options = array( 'package' => $package, 'destination' => WP_CONTENT_DIR . '/themes', 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ); $this->run($options); remove_filter('upgrader_source_selection', array(&$this, 'check_package') ); remove_filter('upgrader_post_install', array(&$this, 'check_parent_theme_filter'), 10, 3); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of theme update information wp_clean_themes_cache(); return true; } function upgrade($theme) { $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); $options = array( 'package' => $r['package'], 'destination' => WP_CONTENT_DIR . '/themes', 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'theme' => $theme ) ); $this->run($options); remove_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2); remove_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2); remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of theme update information wp_clean_themes_cache(); return true; } function bulk_upgrade($themes) { $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 in Multisite OR the theme is in use $maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible. 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 ]; $options = array( 'package' => $r['package'], 'destination' => WP_CONTENT_DIR . '/themes', 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'theme' => $theme ) ); $result = $this->run($options); $results[$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'), 10, 2); remove_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2); remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4); // Force refresh of theme update information wp_clean_themes_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', $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; $theme = isset($theme['theme']) ? $theme['theme'] : ''; if ( is_wp_error($removed) || empty($theme) ) return $removed; //Pass errors through. $themes_dir = $wp_filesystem->wp_themes_dir(); if ( $wp_filesystem->exists( trailingslashit($themes_dir) . $theme ) ) if ( ! $wp_filesystem->delete( trailingslashit($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, WP_CONTENT_DIR . '/themes/' ); } } /** * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file * * @TODO More Detailed docs, for methods as well. * * @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) { global $wp_filesystem, $wp_version; $this->init(); $this->upgrade_strings(); if ( !empty($feedback) ) add_filter('update_feedback', $feedback); // 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', $this->strings['copy_failed_space'] ); return update_core($working_dir, $wp_dir); } } /** * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes. * * @TODO More Detailed docs, for methods as well. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class WP_Upgrader_Skin { var $upgrader; var $done_header = false; var $result = false; function __construct($args = array()) { $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false ); $this->options = wp_parse_args($args, $defaults); } function set_upgrader(&$upgrader) { if ( is_object($upgrader) ) $this->upgrader =& $upgrader; $this->add_strings(); } function add_strings() { } function set_result($result) { $this->result = $result; } function request_filesystem_credentials($error = false) { $url = $this->options['url']; $context = $this->options['context']; if ( !empty($this->options['nonce']) ) $url = wp_nonce_url($url, $this->options['nonce']); return request_filesystem_credentials($url, '', $error, $context); //Possible to bring inline, Leaving as is for now. } function header() { if ( $this->done_header ) return; $this->done_header = true; echo '
'; echo screen_icon(); echo '

' . $this->options['title'] . '

'; } function footer() { echo '
'; } function error($errors) { if ( ! $this->done_header ) $this->header(); if ( is_string($errors) ) { $this->feedback($errors); } elseif ( is_wp_error($errors) && $errors->get_error_code() ) { foreach ( $errors->get_error_messages() as $message ) { if ( $errors->get_error_data() ) $this->feedback($message . ' ' . esc_html( $errors->get_error_data() ) ); else $this->feedback($message); } } } function feedback($string) { if ( isset( $this->upgrader->strings[$string] ) ) $string = $this->upgrader->strings[$string]; if ( strpos($string, '%') !== false ) { $args = func_get_args(); $args = array_splice($args, 1); if ( $args ) { $args = array_map( 'strip_tags', $args ); $args = array_map( 'esc_html', $args ); $string = vsprintf($string, $args); } } if ( empty($string) ) return; show_message($string); } function before() {} function after() {} } /** * Plugin Upgrader Skin for WordPress Plugin Upgrades. * * @TODO More Detailed docs, for methods as well. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Plugin_Upgrader_Skin extends WP_Upgrader_Skin { var $plugin = ''; var $plugin_active = false; var $plugin_network_active = false; function __construct($args = array()) { $defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') ); $args = wp_parse_args($args, $defaults); $this->plugin = $args['plugin']; $this->plugin_active = is_plugin_active( $this->plugin ); $this->plugin_network_active = is_plugin_active_for_network( $this->plugin ); parent::__construct($args); } function after() { $this->plugin = $this->upgrader->plugin_info(); if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){ echo ''; } $update_actions = array( 'activate_plugin' => '' . __('Activate Plugin') . '', 'plugins_page' => '' . __('Return to Plugins page') . '' ); if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugins' ) ) unset( $update_actions['activate_plugin'] ); $update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $this->plugin); if ( ! empty($update_actions) ) $this->feedback(implode(' | ', (array)$update_actions)); } function before() { if ( $this->upgrader->show_before ) { echo $this->upgrader->show_before; $this->upgrader->show_before = ''; } } } /** * Plugin Upgrader Skin for WordPress Plugin Upgrades. * * @package WordPress * @subpackage Upgrader * @since 3.0.0 */ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin { var $in_loop = false; var $error = false; function __construct($args = array()) { $defaults = array( 'url' => '', 'nonce' => '' ); $args = wp_parse_args($args, $defaults); parent::__construct($args); } function add_strings() { $this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.'); $this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s.'); $this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.'); $this->upgrader->strings['skin_update_successful'] = __('%1$s updated successfully.').' '.__('Show Details').'.'; $this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.'); } function feedback($string) { if ( isset( $this->upgrader->strings[$string] ) ) $string = $this->upgrader->strings[$string]; if ( strpos($string, '%') !== false ) { $args = func_get_args(); $args = array_splice($args, 1); if ( $args ) { $args = array_map( 'strip_tags', $args ); $args = array_map( 'esc_html', $args ); $string = vsprintf($string, $args); } } if ( empty($string) ) return; if ( $this->in_loop ) echo "$string
\n"; else echo "

$string

\n"; } function header() { // Nothing, This will be displayed within a iframe. } function footer() { // Nothing, This will be displayed within a iframe. } function error($error) { if ( is_string($error) && isset( $this->upgrader->strings[$error] ) ) $this->error = $this->upgrader->strings[$error]; if ( is_wp_error($error) ) { foreach ( $error->get_error_messages() as $emessage ) { if ( $error->get_error_data() ) $messages[] = $emessage . ' ' . esc_html( $error->get_error_data() ); else $messages[] = $emessage; } $this->error = implode(', ', $messages); } echo ''; } function bulk_header() { $this->feedback('skin_upgrade_start'); } function bulk_footer() { $this->feedback('skin_upgrade_end'); } function before($title = '') { $this->in_loop = true; printf( '

' . $this->upgrader->strings['skin_before_update_header'] . '

', $title, $this->upgrader->update_current, $this->upgrader->update_count); echo ''; echo '

'; $this->flush_output(); } function after($title = '') { echo '

'; if ( $this->error || ! $this->result ) { if ( $this->error ) echo '

' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, $this->error) . '

'; else echo '

' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '

'; echo ''; } if ( !empty($this->result) && !is_wp_error($this->result) ) { echo '

' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '

'; echo ''; } $this->reset(); $this->flush_output(); } function reset() { $this->in_loop = false; $this->error = false; } function flush_output() { wp_ob_end_flush_all(); flush(); } } class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin { var $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in. function __construct($args = array()) { parent::__construct($args); } function add_strings() { parent::add_strings(); $this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)'); } function before() { parent::before($this->plugin_info['Title']); } function after() { parent::after($this->plugin_info['Title']); } function bulk_footer() { parent::bulk_footer(); $update_actions = array( 'plugins_page' => '' . __('Return to Plugins page') . '', 'updates_page' => '' . __('Return to WordPress Updates') . '' ); if ( ! current_user_can( 'activate_plugins' ) ) unset( $update_actions['plugins_page'] ); $update_actions = apply_filters('update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info); if ( ! empty($update_actions) ) $this->feedback(implode(' | ', (array)$update_actions)); } } class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin { var $theme_info = array(); // Theme_Upgrader::bulk() will fill this in. function __construct($args = array()) { parent::__construct($args); } function add_strings() { parent::add_strings(); $this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)'); } function before() { parent::before( $this->theme_info->display('Name') ); } function after() { parent::after( $this->theme_info->display('Name') ); } function bulk_footer() { parent::bulk_footer(); $update_actions = array( 'themes_page' => '' . __('Return to Themes page') . '', 'updates_page' => '' . __('Return to WordPress Updates') . '' ); if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) ) unset( $update_actions['themes_page'] ); $update_actions = apply_filters('update_bulk_theme_complete_actions', $update_actions, $this->theme_info ); if ( ! empty($update_actions) ) $this->feedback(implode(' | ', (array)$update_actions)); } } /** * Plugin Installer Skin for WordPress Plugin Installer. * * @TODO More Detailed docs, for methods as well. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Plugin_Installer_Skin extends WP_Upgrader_Skin { var $api; var $type; function __construct($args = array()) { $defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' ); $args = wp_parse_args($args, $defaults); $this->type = $args['type']; $this->api = isset($args['api']) ? $args['api'] : array(); parent::__construct($args); } function before() { if ( !empty($this->api) ) $this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin %s %s.'), $this->api->name, $this->api->version); } function after() { $plugin_file = $this->upgrader->plugin_info(); $install_actions = array(); $from = isset($_GET['from']) ? stripslashes($_GET['from']) : 'plugins'; if ( 'import' == $from ) $install_actions['activate_plugin'] = '' . __('Activate Plugin & Run Importer') . ''; else $install_actions['activate_plugin'] = '' . __('Activate Plugin') . ''; if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { $install_actions['network_activate'] = '' . __('Network Activate') . ''; unset( $install_actions['activate_plugin'] ); } if ( 'import' == $from ) $install_actions['importers_page'] = '' . __('Return to Importers') . ''; else if ( $this->type == 'web' ) $install_actions['plugins_page'] = '' . __('Return to Plugin Installer') . ''; else $install_actions['plugins_page'] = '' . __('Return to Plugins page') . ''; if ( ! $this->result || is_wp_error($this->result) ) { unset( $install_actions['activate_plugin'], $install_actions['network_activate'] ); } elseif ( ! current_user_can( 'activate_plugins' ) ) { unset( $install_actions['activate_plugin'] ); } $install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file); if ( ! empty($install_actions) ) $this->feedback(implode(' | ', (array)$install_actions)); } } /** * Theme Installer Skin for the WordPress Theme Installer. * * @TODO More Detailed docs, for methods as well. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Theme_Installer_Skin extends WP_Upgrader_Skin { var $api; var $type; function __construct($args = array()) { $defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' ); $args = wp_parse_args($args, $defaults); $this->type = $args['type']; $this->api = isset($args['api']) ? $args['api'] : array(); parent::__construct($args); } function before() { if ( !empty($this->api) ) $this->upgrader->strings['process_success'] = sprintf( $this->upgrader->strings['process_success_specific'], $this->api->name, $this->api->version); } function after() { if ( empty($this->upgrader->result['destination_name']) ) return; $theme_info = $this->upgrader->theme_info(); if ( empty( $theme_info ) ) return; $name = $theme_info->display('Name'); $stylesheet = $this->upgrader->result['destination_name']; $template = $theme_info->get_template(); $preview_link = add_query_arg( array( 'preview' => 1, 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), ), trailingslashit( home_url() ) ); $activate_link = add_query_arg( array( 'action' => 'activate', 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), ), admin_url('themes.php') ); $activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet ); $install_actions = array(); $install_actions['preview'] = '' . __('Preview') . ''; $install_actions['preview'] .= '' . __('Live Preview') . ''; $install_actions['activate'] = '' . __('Activate') . ''; if ( is_network_admin() && current_user_can( 'manage_network_themes' ) ) $install_actions['network_enable'] = '' . __( 'Network Enable' ) . ''; if ( $this->type == 'web' ) $install_actions['themes_page'] = '' . __('Return to Theme Installer') . ''; elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) ) $install_actions['themes_page'] = '' . __('Return to Themes page') . ''; if ( ! $this->result || is_wp_error($this->result) || is_network_admin() || ! current_user_can( 'switch_themes' ) ) unset( $install_actions['activate'], $install_actions['preview'] ); $install_actions = apply_filters('install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info); if ( ! empty($install_actions) ) $this->feedback(implode(' | ', (array)$install_actions)); } } /** * Theme Upgrader Skin for WordPress Theme Upgrades. * * @TODO More Detailed docs, for methods as well. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Theme_Upgrader_Skin extends WP_Upgrader_Skin { var $theme = ''; function __construct($args = array()) { $defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme') ); $args = wp_parse_args($args, $defaults); $this->theme = $args['theme']; parent::__construct($args); } function after() { $update_actions = array(); if ( ! empty( $this->upgrader->result['destination_name'] ) && $theme_info = $this->upgrader->theme_info() ) { $name = $theme_info->display('Name'); $stylesheet = $this->upgrader->result['destination_name']; $template = $theme_info->get_template(); $preview_link = add_query_arg( array( 'preview' => 1, 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), ), trailingslashit( home_url() ) ); $activate_link = add_query_arg( array( 'action' => 'activate', 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), ), admin_url('themes.php') ); $activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet ); if ( get_stylesheet() == $stylesheet ) { if ( current_user_can( 'edit_theme_options' ) ) $update_actions['preview'] = '' . __('Customize') . ''; } elseif ( current_user_can( 'switch_themes' ) ) { $update_actions['preview'] = '' . __('Preview') . ''; $update_actions['preview'] .= '' . __('Live Preview') . ''; $update_actions['activate'] = '' . __('Activate') . ''; } if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() ) unset( $update_actions['preview'], $update_actions['activate'] ); } $update_actions['themes_page'] = '' . __('Return to Themes page') . ''; $update_actions = apply_filters('update_theme_complete_actions', $update_actions, $this->theme); if ( ! empty($update_actions) ) $this->feedback(implode(' | ', (array)$update_actions)); } } /** * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if its a local file to the Upgrade/Installer functions. * * @TODO More Detailed docs, for methods as well. * * @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[$urlholder]) ) wp_die(__('Please select a file')); //Handle a newly uploaded file, Else assume its already been uploaded if ( ! empty($_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; } }