X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/a6f44f0edcda2471c5a33e4156c1c9488c7f3210..refs/tags/wordpress-3.7:/wp-admin/includes/class-wp-upgrader.php diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php index 6c399c7e..891a4e89 100644 --- a/wp-admin/includes/class-wp-upgrader.php +++ b/wp-admin/includes/class-wp-upgrader.php @@ -11,11 +11,11 @@ * @since 2.8.0 */ +require ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php'; + /** * WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file. * - * @TODO More Detailed docs, for methods as well. - * * @package WordPress * @subpackage Upgrader * @since 2.8.0 @@ -93,8 +93,8 @@ class WP_Upgrader { 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') ) + case get_theme_root(): + if ( ! $wp_filesystem->wp_themes_dir() ) return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); break; default: @@ -108,6 +108,19 @@ class WP_Upgrader { function download_package($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.. @@ -146,7 +159,7 @@ class WP_Upgrader { $wp_filesystem->delete($working_dir, true); // Unzip package to working directory - $result = unzip_file($package, $working_dir); //TODO optimizations, Copy when Move/Rename would suffice? + $result = unzip_file( $package, $working_dir ); // Once extracted, delete the package if required. if ( $delete_package ) @@ -163,12 +176,17 @@ class WP_Upgrader { 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, - 'abort_if_destination_exists' => true, - 'hook_extra' => array()); + 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); @@ -195,7 +213,7 @@ class WP_Upgrader { 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? + return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files? else //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. $source = trailingslashit($source); @@ -208,8 +226,13 @@ class WP_Upgrader { 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') ) ) { + // 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($source)); } @@ -239,7 +262,7 @@ class WP_Upgrader { //Create destination if needed if ( !$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); + return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination ); // Copy new version of item into place. $result = copy_dir($source, $remote_destination); @@ -271,38 +294,48 @@ class WP_Upgrader { function run($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. - ); + $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. + if ( ! $is_multi ) // call $this->header separately if running multiple times + $this->skin->header(); + + // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) ); - if ( ! $res ) //Mainly for non-connected filesystem. + // Mainly for non-connected filesystem. + if ( ! $res ) { + if ( ! $is_multi ) + $this->skin->footer(); return false; + } + + $this->skin->before(); if ( is_wp_error($res) ) { $this->skin->error($res); + $this->skin->after(); + if ( ! $is_multi ) + $this->skin->footer(); return $res; } - if ( !$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(); + if ( ! $is_multi ) + $this->skin->footer(); return $download; } @@ -313,18 +346,21 @@ class WP_Upgrader { if ( is_wp_error($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 - ) ); + '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); @@ -333,10 +369,13 @@ class WP_Upgrader { //Install Succeeded $this->skin->feedback('process_success'); } + $this->skin->after(); - if ( !$is_multi ) + if ( ! $is_multi ) { + do_action( 'upgrader_process_complete', $this, $hook_extra ); $this->skin->footer(); + } return $result; } @@ -361,8 +400,6 @@ class WP_Upgrader { /** * 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 @@ -394,35 +431,46 @@ class Plugin_Upgrader extends WP_Upgrader { $this->strings['process_success'] = __('Plugin installed successfully.'); } - function install($package) { + function install( $package, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); - add_filter('upgrader_source_selection', array(&$this, 'check_package') ); - - $this->run(array( - 'package' => $package, - 'destination' => WP_PLUGIN_DIR, - 'clear_destination' => false, //Do not overwrite files. - 'clear_working' => true, - 'hook_extra' => array() - )); + add_filter('upgrader_source_selection', array($this, 'check_package') ); + + $this->run( array( + 'package' => $package, + 'destination' => WP_PLUGIN_DIR, + 'clear_destination' => false, // Do not overwrite files. + 'clear_working' => true, + 'hook_extra' => array( + 'type' => 'plugin', + 'action' => 'install', + ) + ) ); - remove_filter('upgrader_source_selection', array(&$this, 'check_package') ); + 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' ); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'plugin' ), $package ); + wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return true; } - function upgrade($plugin) { + function upgrade( $plugin, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); @@ -439,34 +487,41 @@ class Plugin_Upgrader extends WP_Upgrader { // 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' => $plugin - ) - )); + add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2); + add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); + //'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins. + + $this->run( array( + 'package' => $r->package, + 'destination' => WP_PLUGIN_DIR, + 'clear_destination' => true, + 'clear_working' => true, + 'hook_extra' => array( + 'plugin' => $plugin, + 'type' => 'plugin', + 'action' => 'update', + ), + ) ); // Cleanup our hooks, in case something else does a upgrade on this connection. - remove_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade')); - remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin')); + remove_filter('upgrader_pre_install', array($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' ); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin' ), $plugin ); + wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); + + return true; } - function bulk_upgrade($plugins) { + function bulk_upgrade( $plugins, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; @@ -474,7 +529,7 @@ class Plugin_Upgrader extends WP_Upgrader { $current = get_site_transient( 'update_plugins' ); - add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4); + add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); $this->skin->header(); @@ -487,10 +542,13 @@ class Plugin_Upgrader extends WP_Upgrader { $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. + // 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 ]) ); // Only activate Maintenance mode if a plugin is active AND has an update available + $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) ); if ( $maintenance ) $this->maintenance_mode(true); @@ -516,16 +574,16 @@ class Plugin_Upgrader extends WP_Upgrader { $this->skin->plugin_active = is_plugin_active($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 - ) - )); + $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; @@ -536,17 +594,22 @@ class Plugin_Upgrader extends WP_Upgrader { $this->maintenance_mode(false); + do_action( 'upgrader_process_complete', $this, array( + 'action' => 'update', + 'type' => 'plugin', + 'bulk' => true, + 'plugins' => $plugins, + ) ); + $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. - remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin')); + 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' ); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true ), $plugins ); + wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return $results; } @@ -572,7 +635,7 @@ class Plugin_Upgrader extends WP_Upgrader { } if ( ! $plugins_found ) - return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('No valid plugins were found.') ); + return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); return $source; } @@ -599,6 +662,10 @@ class Plugin_Upgrader extends WP_Upgrader { if ( is_wp_error($return) ) //Bypass. return $return; + // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it + if ( defined( 'DOING_CRON' ) && DOING_CRON ) + return $return; + $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; if ( empty($plugin) ) return new WP_Error('bad_request', $this->strings['bad_request']); @@ -642,8 +709,6 @@ class Plugin_Upgrader extends WP_Upgrader { /** * 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 @@ -705,7 +770,7 @@ class Theme_Upgrader extends WP_Upgrader { 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') ); + add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); return $install_result; } @@ -724,13 +789,13 @@ class Theme_Upgrader extends WP_Upgrader { // Install the parent theme $parent_result = $this->run( array( 'package' => $api->download_link, - 'destination' => WP_CONTENT_DIR . '/themes', + 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ) ); if ( is_wp_error($parent_result) ) - add_filter('install_theme_complete_actions', array(&$this, 'hide_activate_preview_actions') ); + add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); // Start cleaning up after the parents installation remove_filter('install_theme_complete_actions', '__return_false', 999); @@ -748,37 +813,48 @@ class Theme_Upgrader extends WP_Upgrader { return $actions; } - function install($package) { + function install( $package, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); - add_filter('upgrader_source_selection', array(&$this, 'check_package') ); - add_filter('upgrader_post_install', array(&$this, 'check_parent_theme_filter'), 10, 3); + add_filter('upgrader_source_selection', array($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); + $this->run( array( + 'package' => $package, + 'destination' => get_theme_root(), + 'clear_destination' => false, //Do not overwrite files. + 'clear_working' => true, + 'hook_extra' => array( + 'type' => 'theme', + 'action' => 'install', + ), + ) ); - remove_filter('upgrader_source_selection', array(&$this, 'check_package') ); - remove_filter('upgrader_post_install', array(&$this, 'check_parent_theme_filter')); + remove_filter('upgrader_source_selection', array($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; - // Force refresh of theme update information - wp_clean_themes_cache(); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'theme' ), $package ); + // Refresh the Theme Update information + wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } - function upgrade($theme) { + function upgrade( $theme, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); @@ -795,37 +871,40 @@ class Theme_Upgrader extends WP_Upgrader { $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); + add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); + add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); + add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); + + $this->run( array( + 'package' => $r['package'], + 'destination' => get_theme_root( $theme ), + 'clear_destination' => true, + 'clear_working' => true, + 'hook_extra' => array( + 'theme' => $theme, + 'type' => 'theme', + 'action' => 'update', + ), + ) ); - remove_filter('upgrader_pre_install', array(&$this, 'current_before')); - remove_filter('upgrader_post_install', array(&$this, 'current_after')); - remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme')); + 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; - // Force refresh of theme update information - wp_clean_themes_cache(); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme' ), $theme ); + wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } - function bulk_upgrade($themes) { + function bulk_upgrade( $themes, $args = array() ) { + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; @@ -833,9 +912,9 @@ class Theme_Upgrader extends WP_Upgrader { $current = get_site_transient( 'update_themes' ); - add_filter('upgrader_pre_install', array(&$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); + 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(); @@ -848,8 +927,11 @@ class Theme_Upgrader extends WP_Upgrader { $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. + // 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 ) @@ -876,17 +958,15 @@ class Theme_Upgrader extends WP_Upgrader { // 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); + $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; @@ -897,18 +977,24 @@ class Theme_Upgrader extends WP_Upgrader { $this->maintenance_mode(false); + do_action( 'upgrader_process_complete', $this, array( + 'action' => 'update', + 'type' => 'plugin', + 'bulk' => true, + 'themes' => $themes, + ) ); + $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. - remove_filter('upgrader_pre_install', array(&$this, 'current_before')); - remove_filter('upgrader_post_install', array(&$this, 'current_after')); - remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme')); + 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')); - // Force refresh of theme update information - wp_clean_themes_cache(); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme', 'bulk' => true ), $themes ); + // Refresh the Theme Update information + wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return $results; } @@ -926,16 +1012,16 @@ class Theme_Upgrader extends WP_Upgrader { // 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.') ); + return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'], __( 'The theme is missing the style.css stylesheet.' ) ); $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) ); if ( empty( $info['Name'] ) ) - return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __("The style.css stylesheet doesn't contain a valid theme header.") ); + return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The style.css stylesheet doesn't contain a valid theme header." ) ); // If it's not a child theme, it must have at least an index.php to be legit. if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) - return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('The theme is missing the index.php file.') ); + return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the index.php file.' ) ); return $source; } @@ -978,18 +1064,22 @@ class Theme_Upgrader extends WP_Upgrader { return $return; } - function delete_old_theme($removed, $local_destination, $remote_destination, $theme) { + function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) { global $wp_filesystem; - $theme = isset($theme['theme']) ? $theme['theme'] : ''; + if ( is_wp_error( $removed ) ) + return $removed; // Pass errors through. - if ( is_wp_error($removed) || empty($theme) ) - return $removed; //Pass errors through. + if ( ! isset( $theme['theme'] ) ) + return $removed; - $themes_dir = $wp_filesystem->wp_themes_dir(); - if ( $wp_filesystem->exists( trailingslashit($themes_dir) . $theme ) ) - if ( ! $wp_filesystem->delete( trailingslashit($themes_dir) . $theme, true ) ) + $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; } @@ -1001,15 +1091,210 @@ class Theme_Upgrader extends WP_Upgrader { else return false; } - return wp_get_theme( $theme, WP_CONTENT_DIR . '/themes/' ); + return wp_get_theme( $theme ); } } +add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); + /** - * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file + * Language pack upgrader, for updating translations of plugins, themes, and core. * - * @TODO More Detailed docs, for methods as well. + * @package WordPress + * @subpackage Upgrader + * @since 3.7.0 + */ +class Language_Pack_Upgrader extends WP_Upgrader { + + var $result; + var $bulk = true; + + static function async_upgrade( $upgrader = false ) { + // Avoid recursion. + if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) + return; + + // Nothing to do? + $language_updates = wp_get_translation_updates(); + if ( ! $language_updates ) + return; + + $skin = new Language_Pack_Upgrader_Skin( array( + 'skip_header_footer' => true, + ) ); + + $lp_upgrader = new Language_Pack_Upgrader( $skin ); + $lp_upgrader->upgrade(); + } + + function upgrade_strings() { + $this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' ); + $this->strings['up_to_date'] = __( 'The translation is up to date.' ); // We need to silently skip this case + $this->strings['no_package'] = __( 'Update package not available.' ); + $this->strings['downloading_package'] = __( 'Downloading translation from %s…' ); + $this->strings['unpack_package'] = __( 'Unpacking the update…' ); + $this->strings['process_failed'] = __( 'Translation update failed.' ); + $this->strings['process_success'] = __( 'Translation updated successfully.' ); + } + + function upgrade( $update = false, $args = array() ) { + if ( $update ) + $update = array( $update ); + $results = $this->bulk_upgrade( $update, $args ); + return $results[0]; + } + + function bulk_upgrade( $language_updates = array(), $args = array() ) { + global $wp_filesystem; + + $defaults = array( + 'clear_update_cache' => true, + ); + $parsed_args = wp_parse_args( $args, $defaults ); + + $this->init(); + $this->upgrade_strings(); + + if ( ! $language_updates ) + $language_updates = wp_get_translation_updates(); + + if ( empty( $language_updates ) ) { + $this->skin->header(); + $this->skin->before(); + $this->skin->set_result( true ); + $this->skin->feedback( 'up_to_date' ); + $this->skin->after(); + $this->skin->bulk_footer(); + $this->skin->footer(); + return true; + } + + if ( 'upgrader_process_complete' == current_filter() ) + $this->skin->feedback( 'starting_upgrade' ); + + add_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 3 ); + + $this->skin->header(); + + // Connect to the Filesystem first. + $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) ); + if ( ! $res ) { + $this->skin->footer(); + return false; + } + + $results = array(); + + $this->update_count = count( $language_updates ); + $this->update_current = 0; + + // The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists, + // as we then may need to create a /plugins or /themes directory inside of it. + $remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR ); + if ( ! $wp_filesystem->exists( $remote_destination ) ) + if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) + return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination ); + + foreach ( $language_updates as $language_update ) { + + $this->skin->language_update = $language_update; + + $destination = WP_LANG_DIR; + if ( 'plugin' == $language_update->type ) + $destination .= '/plugins'; + elseif ( 'theme' == $language_update->type ) + $destination .= '/themes'; + + $this->update_current++; + + $options = array( + 'package' => $language_update->package, + 'destination' => $destination, + 'clear_destination' => false, + 'abort_if_destination_exists' => false, // We expect the destination to exist. + 'clear_working' => true, + 'is_multi' => true, + 'hook_extra' => array( + 'language_update_type' => $language_update->type, + 'language_update' => $language_update, + ) + ); + + $result = $this->run( $options ); + + $results[] = $this->result; + + // Prevent credentials auth screen from displaying multiple times. + if ( false === $result ) + break; + } + + $this->skin->bulk_footer(); + + $this->skin->footer(); + + // Clean up our hooks, in case something else does an upgrade on this connection. + remove_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 2 ); + + if ( $parsed_args['clear_update_cache'] ) { + wp_clean_themes_cache( true ); + wp_clean_plugins_cache( true ); + delete_site_transient( 'update_core' ); + } + + return $results; + } + + function check_package( $source, $remote_source ) { + global $wp_filesystem; + + if ( is_wp_error( $source ) ) + return $source; + + // Check that the folder contains a valid language. + $files = $wp_filesystem->dirlist( $remote_source ); + + // Check to see if a .po and .mo exist in the folder. + $po = $mo = false; + foreach ( (array) $files as $file => $filedata ) { + if ( '.po' == substr( $file, -3 ) ) + $po = true; + elseif ( '.mo' == substr( $file, -3 ) ) + $mo = true; + } + + if ( ! $mo || ! $po ) + return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'], + __( 'The language pack is missing either the .po or .mo files.' ) ); + + return $source; + } + + function get_name_for_update( $update ) { + switch ( $update->type ) { + case 'core': + return 'WordPress'; // Not translated + break; + case 'theme': + $theme = wp_get_theme( $update->slug ); + if ( $theme->exists() ) + return $theme->Get( 'Name' ); + break; + case 'plugin': + $plugin_data = get_plugins( '/' . $update->slug ); + $plugin_data = array_shift( $plugin_data ); + if ( $plugin_data ) + return $plugin_data['Name']; + break; + } + return ''; + } + +} + +/** + * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file * * @package WordPress * @subpackage Upgrader @@ -1024,11 +1309,22 @@ class Core_Upgrader extends WP_Upgrader { $this->strings['unpack_package'] = __('Unpacking the update…'); $this->strings['copy_failed'] = __('Could not copy files.'); $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' ); + $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' ); + $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' ); } - function upgrade($current) { + function upgrade( $current, $args = array() ) { global $wp_filesystem, $wp_version; + $start_time = time(); + + $defaults = array( + 'pre_check_md5' => true, + 'attempt_rollback' => false, + 'do_rollback' => false, + ); + $parsed_args = wp_parse_args( $args, $defaults ); + $this->init(); $this->upgrade_strings(); @@ -1042,11 +1338,19 @@ class Core_Upgrader extends WP_Upgrader { $wp_dir = trailingslashit($wp_filesystem->abspath()); + $partial = true; + if ( $parsed_args['do_rollback'] ) + $partial = false; + elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() ) + $partial = false; + // If partial update is returned from the API, use that, unless we're doing a reinstall. // If we cross the new_bundled version number, then use the new_bundled zip. // Don't though if the constant is set to skip bundled items. // If the API returns a no_content zip, go with it. Finally, default to the full zip. - if ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version ) + if ( $parsed_args['do_rollback'] && $current->packages->rollback ) + $to_download = 'rollback'; + elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial ) $to_download = 'partial'; elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' ) && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) @@ -1067,625 +1371,1031 @@ class Core_Upgrader extends WP_Upgrader { // Copy update-core.php from the new version into place. if ( !$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']); + return new WP_Error( 'copy_failed_for_update_core_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-admin/includes/update-core.php' ); } $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE); - require(ABSPATH . 'wp-admin/includes/update-core.php'); + require_once( ABSPATH . 'wp-admin/includes/update-core.php' ); if ( ! function_exists( 'update_core' ) ) return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] ); $result = update_core( $working_dir, $wp_dir ); - do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ), $result ); - return $result; - } -} + // In the event of an issue, we may be able to roll back. + if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) { + $try_rollback = false; + if ( is_wp_error( $result ) ) { + $error_code = $result->get_error_code(); + // Not all errors are equal. These codes are critical: copy_failed__copy_dir, + // mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full. + // do_rollback allows for update_core() to trigger a rollback if needed. + if ( false !== strpos( $error_code, 'do_rollback' ) ) + $try_rollback = true; + elseif ( false !== strpos( $error_code, '__copy_dir' ) ) + $try_rollback = true; + elseif ( 'disk_full' === $error_code ) + $try_rollback = true; + } -/** - * 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 { + if ( $try_rollback ) { + apply_filters( 'update_feedback', $result ); + apply_filters( 'update_feedback', $this->strings['start_rollback'] ); - var $upgrader; - var $done_header = false; - var $result = false; + $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) ); - function __construct($args = array()) { - $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false ); - $this->options = wp_parse_args($args, $defaults); - } + $original_result = $result; + $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) ); + } + } - function set_upgrader(&$upgrader) { - if ( is_object($upgrader) ) - $this->upgrader =& $upgrader; - $this->add_strings(); - } + do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) ); - function add_strings() { - } + // Clear the current updates + delete_site_transient( 'update_core' ); - function set_result($result) { - $this->result = $result; - } + if ( ! $parsed_args['do_rollback'] ) { + $stats = array( + 'update_type' => $current->response, + 'success' => true, + 'fs_method' => $wp_filesystem->method, + 'fs_method_forced' => defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ), + 'time_taken' => time() - $start_time, + 'attempted' => $current->version, + ); - function request_filesystem_credentials($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. - } + if ( is_wp_error( $result ) ) { + $stats['success'] = false; + // Did a rollback occur? + if ( ! empty( $try_rollback ) ) { + $stats['error_code'] = $original_result->get_error_code(); + $stats['error_data'] = $original_result->get_error_data(); + // Was the rollback successful? If not, collect its error too. + $stats['rollback'] = ! is_wp_error( $rollback_result ); + if ( is_wp_error( $rollback_result ) ) { + $stats['rollback_code'] = $rollback_result->get_error_code(); + $stats['rollback_data'] = $rollback_result->get_error_data(); + } + } else { + $stats['error_code'] = $result->get_error_code(); + $stats['error_data'] = $result->get_error_data(); + } + } - function header() { - if ( $this->done_header ) - return; - $this->done_header = true; - echo '
'; - screen_icon(); - echo '

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

'; - } - function footer() { - echo '
'; + wp_version_check( $stats ); + } + + return $result; } - function error($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); + // Determines if this WordPress Core version should update to $offered_ver or not + static function should_update_to_version( $offered_ver /* x.y.z */ ) { + include ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z + + $current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version ), 0, 2 ) ); // x.y + $new_branch = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y + $current_is_development_version = (bool) strpos( $wp_version, '-' ); + + // Defaults: + $upgrade_dev = true; + $upgrade_minor = true; + $upgrade_major = false; + + // WP_AUTO_UPDATE_CORE = true (all), 'minor', false. + if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) { + if ( false === WP_AUTO_UPDATE_CORE ) { + // Defaults to turned off, unless a filter allows it + $upgrade_dev = $upgrade_minor = $upgrade_major = false; + } elseif ( true === WP_AUTO_UPDATE_CORE ) { + // ALL updates for core + $upgrade_dev = $upgrade_minor = $upgrade_major = true; + } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) { + // Only minor updates for core + $upgrade_dev = $upgrade_major = false; + $upgrade_minor = true; } } - } - function feedback($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); - } + // 1: If we're already on that version, not much point in updating? + if ( $offered_ver == $wp_version ) + return false; + + // 2: If we're running a newer version, that's a nope + if ( version_compare( $wp_version, $offered_ver, '>' ) ) + return false; + + $failure_data = get_site_option( 'auto_core_update_failed' ); + if ( $failure_data ) { + // If this was a critical update failure, cannot update. + if ( ! empty( $failure_data['critical'] ) ) + return false; + + // Don't claim we can update on update-core.php if we have a non-critical failure logged. + if ( $wp_version == $failure_data['current'] && false !== strpos( $offered_ver, '.1.next.minor' ) ) + return false; + + // Cannot update if we're retrying the same A to B update that caused a non-critical failure. + // Some non-critical failures do allow retries, like download_failed. + // 3.7.1 => 3.7.2 resulted in files_not_writable, if we are still on 3.7.1 and still trying to update to 3.7.2. + if ( empty( $failure_data['retry'] ) && $wp_version == $failure_data['current'] && $offered_ver == $failure_data['attempted'] ) + return false; } - if ( empty($string) ) - return; - show_message($string); + + // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2 + if ( $current_is_development_version ) { + if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) ) + return false; + // else fall through to minor + major branches below + } + + // 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4) + if ( $current_branch == $new_branch ) + return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor ); + + // 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1) + if ( version_compare( $new_branch, $current_branch, '>' ) ) + return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); + + // If we're not sure, we don't want it + return false; } - function before() {} - function after() {} + function check_files() { + global $wp_version, $wp_local_package; + + $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); + + if ( ! is_array( $checksums ) ) + return false; + + foreach ( $checksums as $file => $checksum ) { + // Skip files which get updated + if ( 'wp-content' == substr( $file, 0, 10 ) ) + continue; + if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum ) + return false; + } + + return true; + } } /** - * Plugin Upgrader Skin for WordPress Plugin Upgrades. - * - * @TODO More Detailed docs, for methods as well. + * 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 Plugin_Upgrader_Skin extends WP_Upgrader_Skin { - var $plugin = ''; - var $plugin_active = false; - var $plugin_network_active = false; +class File_Upload_Upgrader { + var $package; + var $filename; + var $id = 0; - function __construct($args = array()) { - $defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') ); - $args = wp_parse_args($args, $defaults); + function __construct($form, $urlholder) { - $this->plugin = $args['plugin']; + if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) + wp_die(__('Please select a file')); - $this->plugin_active = is_plugin_active( $this->plugin ); - $this->plugin_network_active = is_plugin_active_for_network( $this->plugin ); + //Handle a newly uploaded file, Else assume it's already been uploaded + if ( ! empty($_FILES) ) { + $overrides = array( 'test_form' => false, 'test_type' => false ); + $file = wp_handle_upload( $_FILES[$form], $overrides ); - parent::__construct($args); - } + if ( isset( $file['error'] ) ) + wp_die( $file['error'] ); - function after() { - $this->plugin = $this->upgrader->plugin_info(); - if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){ - echo ''; - } + $this->filename = $_FILES[$form]['name']; + $this->package = $file['file']; - $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'] ); + // 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' + ); - $update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $this->plugin); - if ( ! empty($update_actions) ) - $this->feedback(implode(' | ', (array)$update_actions)); - } + // 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')); - function before() { - if ( $this->upgrader->show_before ) { - echo $this->upgrader->show_before; - $this->upgrader->show_before = ''; + $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; + } } /** - * Plugin Upgrader Skin for WordPress Plugin Upgrades. + * The WordPress automatic background updater. * * @package WordPress * @subpackage Upgrader - * @since 3.0.0 + * @since 3.7.0 */ -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); +class WP_Automatic_Updater { + + /** + * Tracks update results during processing. + * + * @var array + */ + protected $update_results = array(); + + /** + * Whether the entire automatic updater is disabled. + * + * @since 3.7.0 + */ + public function is_disabled() { + // Background updates are disabled if you don't want file changes. + if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) + return true; + + if ( defined( 'WP_INSTALLING' ) ) + return true; + + // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters. + $disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED; + + /** + * Filter whether to entirely disable background updates. + * + * There are more fine-grained filters and controls for selective disabling. + * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name. + * + * This also disables update notification emails. That may change in the future. + * + * @since 3.7.0 + * @param bool $disabled Whether the updater should be disabled. + */ + return apply_filters( 'automatic_updater_disabled', $disabled ); + } + + /** + * Check for version control checkouts. + * + * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the + * filesystem to the top of the drive, erring on the side of detecting a VCS + * checkout somewhere. + * + * ABSPATH is always checked in addition to whatever $context is (which may be the + * wp-content directory, for example). The underlying assumption is that if you are + * using version control *anywhere*, then you should be making decisions for + * how things get updated. + * + * @since 3.7.0 + * + * @param string $context The filesystem path to check, in addition to ABSPATH. + */ + public function is_vcs_checkout( $context ) { + $context_dirs = array( untrailingslashit( $context ) ); + if ( $context !== ABSPATH ) + $context_dirs[] = untrailingslashit( ABSPATH ); + + $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); + $check_dirs = array(); + + foreach ( $context_dirs as $context_dir ) { + // Walk up from $context_dir to the root. + do { + $check_dirs[] = $context_dir; + + // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here. + if ( $context_dir == dirname( $context_dir ) ) + break; - parent::__construct($args); - } + // Continue one level at a time. + } while ( $context_dir = dirname( $context_dir ) ); + } - 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.'); - } + $check_dirs = array_unique( $check_dirs ); - function feedback($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); + // Search all directories we've found for evidence of version control. + foreach ( $vcs_dirs as $vcs_dir ) { + foreach ( $check_dirs as $check_dir ) { + if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) + break 2; } } - 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. - } + /** + * Filter whether the automatic updater should consider a filesystem location to be potentially + * managed by a version control system. + * + * @since 3.7.0 + * + * @param bool $checkout Whether a VCS checkout was discovered at $context or ABSPATH, or anywhere higher. + * @param string $context The filesystem context (a path) against which filesystem status should be checked. + */ + return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context ); + } + + /** + * Tests to see if we can and should update a specific item. + * + * @since 3.7.0 + * + * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. + * @param object $item The update offer. + * @param string $context The filesystem context (a path) against which filesystem access and status + * should be checked. + */ + public function should_update( $type, $item, $context ) { + // Used to see if WP_Filesystem is set up to allow unattended updates. + $skin = new Automatic_Upgrader_Skin; + + if ( $this->is_disabled() ) + return false; - function footer() { - // Nothing, This will be displayed within a iframe. - } - function error($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); + // If we can't do an auto core update, we may still be able to email the user. + if ( ! $skin->request_filesystem_credentials( false, $context ) || $this->is_vcs_checkout( $context ) ) { + if ( 'core' == $type ) + $this->send_core_update_notification_email( $item ); + return false; } - echo ''; - } - - function bulk_header() { - $this->feedback('skin_upgrade_start'); - } - function bulk_footer() { - $this->feedback('skin_upgrade_end'); - } + // Next up, is this an item we can update? + if ( 'core' == $type ) + $update = Core_Upgrader::should_update_to_version( $item->current ); + else + $update = ! empty( $item->autoupdate ); + + /** + * Filter whether to automatically update core, a plugin, a theme, or a language. + * + * The dynamic portion of the hook name, $type, refers to the type of update + * being checked. Can be 'core', 'theme', 'plugin', or 'translation'. + * + * Generally speaking, plugins, themes, and major core versions are not updated by default, + * while translations and minor and development versions for core are updated by default. + * + * See the filters allow_dev_auto_core_updates, allow_minor_auto_core_updates, and + * allow_major_auto_core_updates more straightforward filters to adjust core updates. + * + * @since 3.7.0 + * + * @param bool $update Whether to update. + * @param object $item The update offer. + */ + $update = apply_filters( 'auto_update_' . $type, $update, $item ); + + if ( ! $update ) { + if ( 'core' == $type ) + $this->send_core_update_notification_email( $item ); + return false; + } - function before($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(); - } + // If it's a core update, are we actually compatible with its requirements? + if ( 'core' == $type ) { + global $wpdb; - function after($title = '') { - echo '

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

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

'; + $php_compat = version_compare( phpversion(), $item->php_version, '>=' ); + if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) + $mysql_compat = true; else - echo '

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

'; + $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' ); - echo ''; - } - if ( $this->result && ! is_wp_error( $this->result ) ) { - if ( ! $this->error ) - 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 ''; + if ( ! $php_compat || ! $mysql_compat ) + return false; } - $this->reset(); - $this->flush_output(); + return true; } - function reset() { - $this->in_loop = false; - $this->error = false; - } + /** + * Notifies an administrator of a core update. + * + * @since 3.7.0 + * + * @param object $item The update offer. + */ + protected function send_core_update_notification_email( $item ) { + $notify = true; + $notified = get_site_option( 'auto_core_update_notified' ); - function flush_output() { - wp_ob_end_flush_all(); - flush(); - } -} + // Don't notify if we've already notified the same email address of the same version. + if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current ) + return false; -class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin { - var $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in. + // See if we need to notify users of a core update. + $notify = ! empty( $item->notify_email ); + + /** + * Whether to notify the site administrator of a new core update. + * + * By default, administrators are notified when the update offer received from WordPress.org + * sets a particular flag. This allows for discretion in if and when to notify. + * + * This filter only fires once per release -- if the same email address was already + * notified of the same new version, we won't repeatedly email the administrator. + * + * This filter is also used on about.php to check if a plugin has disabled these notifications. + * + * @since 3.7.0 + * + * @param bool $notify Whether the site administrator is notified. + * @param object $item The update offer. + */ + if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) + return false; - function __construct($args = array()) { - parent::__construct($args); + $this->send_email( 'manual', $item ); + return true; } - function add_strings() { - parent::add_strings(); - $this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)'); - } + /** + * Update an item, if appropriate. + * + * @since 3.7.0 + * + * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. + * @param object $item The update offer. + */ + public function update( $type, $item ) { + $skin = new Automatic_Upgrader_Skin; + + switch ( $type ) { + case 'core': + // The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter. + add_filter( 'update_feedback', array( $skin, 'feedback' ) ); + $upgrader = new Core_Upgrader( $skin ); + $context = ABSPATH; + break; + case 'plugin': + $upgrader = new Plugin_Upgrader( $skin ); + $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR + break; + case 'theme': + $upgrader = new Theme_Upgrader( $skin ); + $context = get_theme_root( $item ); + break; + case 'translation': + $upgrader = new Language_Pack_Upgrader( $skin ); + $context = WP_CONTENT_DIR; // WP_LANG_DIR; + break; + } - function before($title = '') { - parent::before($this->plugin_info['Title']); - } + // Determine whether we can and should perform this update. + if ( ! $this->should_update( $type, $item, $context ) ) + return false; - function after($title = '') { - 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'] ); + switch ( $type ) { + case 'core': + $skin->feedback( __( 'Updating to WordPress %s' ), $item->version ); + $item_name = sprintf( __( 'WordPress %s' ), $item->version ); + break; + case 'theme': + $theme = wp_get_theme( $item ); + $item_name = $theme->Get( 'Name' ); + $skin->feedback( __( 'Updating theme: %s' ), $item_name ); + break; + case 'plugin': + $plugin_data = get_plugin_data( $context . '/' . $item ); + $item_name = $plugin_data['Name']; + $skin->feedback( __( 'Updating plugin: %s' ), $item_name ); + break; + case 'translation': + $language_item_name = $upgrader->get_name_for_update( $item ); + $item_name = sprintf( __( 'Translations for %s' ), $language_item_name ); + $skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)…' ), $language_item_name, $item->language ) ); + break; + } - $update_actions = apply_filters('update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info); - if ( ! empty($update_actions) ) - $this->feedback(implode(' | ', (array)$update_actions)); - } -} + // Boom, This sites about to get a whole new splash of paint! + $upgrade_result = $upgrader->upgrade( $item, array( + 'clear_update_cache' => false, + 'pre_check_md5' => false, /* always use partial builds if possible for core updates */ + 'attempt_rollback' => true, /* only available for core updates */ + ) ); -class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin { - var $theme_info = array(); // Theme_Upgrader::bulk() will fill this in. + // Core doesn't output this, so lets append it so we don't get confused + if ( 'core' == $type ) { + if ( is_wp_error( $upgrade_result ) ) { + $skin->error( __( 'Installation Failed' ), $upgrade_result ); + } else { + $skin->feedback( __( 'WordPress updated successfully' ) ); + } + } - function __construct($args = array()) { - parent::__construct($args); - } + $this->update_results[ $type ][] = (object) array( + 'item' => $item, + 'result' => $upgrade_result, + 'name' => $item_name, + 'messages' => $skin->get_upgrade_messages() + ); - function add_strings() { - parent::add_strings(); - $this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)'); + return $upgrade_result; } - function before($title = '') { - parent::before( $this->theme_info->display('Name') ); - } + /** + * Kicks off the background update process, looping through all pending updates. + * + * @since 3.7.0 + */ + public function run() { + global $wpdb, $wp_version; - function after($title = '') { - parent::after( $this->theme_info->display('Name') ); - } + if ( $this->is_disabled() ) + return; - 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'] ); + if ( ! is_main_network() || ! is_main_site() ) + return; - $update_actions = apply_filters('update_bulk_theme_complete_actions', $update_actions, $this->theme_info ); - if ( ! empty($update_actions) ) - $this->feedback(implode(' | ', (array)$update_actions)); - } -} + $lock_name = 'auto_updater.lock'; -/** - * 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; + // Try to lock + $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); - function __construct($args = array()) { - $defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' ); - $args = wp_parse_args($args, $defaults); + if ( ! $lock_result ) { + $lock_result = get_option( $lock_name ); - $this->type = $args['type']; - $this->api = isset($args['api']) ? $args['api'] : array(); + // If we couldn't create a lock, and there isn't a lock, bail + if ( ! $lock_result ) + return; - parent::__construct($args); - } + // Check to see if the lock is still valid + if ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) + return; + } - function before() { - if ( !empty($this->api) ) - $this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin %s %s.'), $this->api->name, $this->api->version); - } + // Update the lock, as by this point we've definately got a lock, just need to fire the actions + update_option( $lock_name, time() ); + + // Don't automatically run these thins, as we'll handle it ourselves + remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); + remove_action( 'upgrader_process_complete', 'wp_version_check' ); + remove_action( 'upgrader_process_complete', 'wp_update_plugins' ); + remove_action( 'upgrader_process_complete', 'wp_update_themes' ); + + // Next, Plugins + wp_update_plugins(); // Check for Plugin updates + $plugin_updates = get_site_transient( 'update_plugins' ); + if ( $plugin_updates && !empty( $plugin_updates->response ) ) { + foreach ( array_keys( $plugin_updates->response ) as $plugin ) { + $this->update( 'plugin', $plugin ); + } + // Force refresh of plugin update information + wp_clean_plugins_cache(); + } - function after() { + // Next, those themes we all love + wp_update_themes(); // Check for Theme updates + $theme_updates = get_site_transient( 'update_themes' ); + if ( $theme_updates && !empty( $theme_updates->response ) ) { + foreach ( array_keys( $theme_updates->response ) as $theme ) { + $this->update( 'theme', $theme ); + } + // Force refresh of theme update information + wp_clean_themes_cache(); + } - $plugin_file = $this->upgrader->plugin_info(); + // Next, Process any core update + wp_version_check(); // Check for Core updates + $core_update = find_core_auto_update(); - $install_actions = array(); + if ( $core_update ) + $this->update( 'core', $core_update ); - $from = isset($_GET['from']) ? wp_unslash( $_GET['from'] ) : 'plugins'; + // Clean up, and check for any pending translations + // (Core_Upgrader checks for core updates) + wp_update_themes(); // Check for Theme updates + wp_update_plugins(); // Check for Plugin updates - if ( 'import' == $from ) - $install_actions['activate_plugin'] = '' . __('Activate Plugin & Run Importer') . ''; - else - $install_actions['activate_plugin'] = '' . __('Activate Plugin') . ''; + // Finally, Process any new translations + $language_updates = wp_get_translation_updates(); + if ( $language_updates ) { + foreach ( $language_updates as $update ) { + $this->update( 'translation', $update ); + } - if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { - $install_actions['network_activate'] = '' . __('Network Activate') . ''; - unset( $install_actions['activate_plugin'] ); - } + // Clear existing caches + wp_clean_plugins_cache(); + wp_clean_themes_cache(); + delete_site_transient( 'update_core' ); - 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') . ''; + wp_version_check(); // check for Core updates + wp_update_themes(); // Check for Theme updates + wp_update_plugins(); // Check for Plugin updates + } - 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'] ); + // Send debugging email to all development installs. + if ( ! empty( $this->update_results ) ) { + $development_version = false !== strpos( $wp_version, '-' ); + /** + * Filter whether to send a debugging email for each automatic background update. + * + * @since 3.7.0 + * @param bool $development_version By default, emails are sent if the install is a development version. + * Return false to avoid the email. + */ + if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) + $this->send_debug_email(); + + if ( ! empty( $this->update_results['core'] ) ) + $this->after_core_update( $this->update_results['core'][0] ); } - $install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file); - if ( ! empty($install_actions) ) - $this->feedback(implode(' | ', (array)$install_actions)); + // Clear the lock + delete_option( $lock_name ); } -} -/** - * 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); + /** + * If we tried to perform a core update, check if we should send an email, + * and if we need to avoid processing future updates. + * + * @param object $update_result The result of the core update. Includes the update offer and result. + */ + protected function after_core_update( $update_result ) { + global $wp_version; - $this->type = $args['type']; - $this->api = isset($args['api']) ? $args['api'] : array(); + $core_update = $update_result->item; + $result = $update_result->result; - parent::__construct($args); - } + if ( ! is_wp_error( $result ) ) { + $this->send_email( 'success', $core_update ); + return; + } - function before() { - if ( !empty($this->api) ) - $this->upgrader->strings['process_success'] = sprintf( $this->upgrader->strings['process_success_specific'], $this->api->name, $this->api->version); - } + $error_code = $result->get_error_code(); + + // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files. + // We should not try to perform a background update again until there is a successful one-click update performed by the user. + $critical = false; + if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) { + $critical = true; + } elseif ( $error_code === 'rollback_was_required' && is_wp_error( $result->get_error_data()->rollback ) ) { + // A rollback is only critical if it failed too. + $critical = true; + $rollback_result = $result->get_error_data()->rollback; + } elseif ( false !== strpos( $error_code, 'do_rollback' ) ) { + $critical = true; + } - function after() { - if ( empty($this->upgrader->result['destination_name']) ) + if ( $critical ) { + $critical_data = array( + 'attempted' => $core_update->current, + 'current' => $wp_version, + 'error_code' => $error_code, + 'error_data' => $result->get_error_data(), + 'timestamp' => time(), + 'critical' => true, + ); + if ( isset( $rollback_result ) ) { + $critical_data['rollback_code'] = $rollback_result->get_error_code(); + $critical_data['rollback_data'] = $rollback_result->get_error_data(); + } + update_site_option( 'auto_core_update_failed', $critical_data ); + $this->send_email( 'critical', $core_update, $result ); return; + } - $theme_info = $this->upgrader->theme_info(); - if ( empty( $theme_info ) ) + /* + * Any other WP_Error code (like download_failed or files_not_writable) occurs before + * we tried to copy over core files. Thus, the failures are early and graceful. + * + * We should avoid trying to perform a background update again for the same version. + * But we can try again if another version is released. + * + * For certain 'transient' failures, like download_failed, we should allow retries. + * In fact, let's schedule a special update for an hour from now. (It's possible + * the issue could actually be on WordPress.org's side.) If that one fails, then email. + */ + $send = true; + $transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro' ); + if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) { + wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' ); + $send = false; + } + + $n = get_site_option( 'auto_core_update_notified' ); + // Don't notify if we've already notified the same email address of the same version of the same notification type. + if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current ) + $send = false; + + update_site_option( 'auto_core_update_failed', array( + 'attempted' => $core_update->current, + 'current' => $wp_version, + 'error_code' => $error_code, + 'error_data' => $result->get_error_data(), + 'timestamp' => time(), + 'retry' => in_array( $error_code, $transient_failures ), + ) ); + + if ( $send ) + $this->send_email( 'fail', $core_update, $result ); + } + + /** + * Sends an email upon the completion or failure of a background core update. + * + * @since 3.7.0 + * + * @param string $type The type of email to send. Can be one of 'success', 'fail', 'manual', 'critical'. + * @param object $core_update The update offer that was attempted. + * @param mixed $result Optional. The result for the core update. Can be WP_Error. + */ + protected function send_email( $type, $core_update, $result = null ) { + update_site_option( 'auto_core_update_notified', array( + 'type' => $type, + 'email' => get_site_option( 'admin_email' ), + 'version' => $core_update->current, + 'timestamp' => time(), + ) ); + + $next_user_core_update = get_preferred_from_update_core(); + // If the update transient is empty, use the update we just performed + if ( ! $next_user_core_update ) + $next_user_core_update = $core_update; + $newer_version_available = ( 'upgrade' == $next_user_core_update->response && version_compare( $next_user_core_update->version, $core_update, '>' ) ); + + /** + * Filter whether to send an email following an automatic background core update. + * + * @since 3.7.0 + * + * @param bool $send Whether to send the email. Default true. + * @param string $type The type of email to send. Can be one of 'success', 'fail', 'critical'. + * @param object $core_update The update offer that was attempted. + * @param mixed $result The result for the core update. Can be WP_Error. + */ + if ( 'manual' !== $type && ! apply_filters( 'auto_core_update_send_email', true, $type, $core_update, $result ) ) 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)); - } -} + switch ( $type ) { + case 'success' : // We updated. + /* translators: 1: Site name, 2: WordPress version number. */ + $subject = __( '[%1$s] Your site has updated to WordPress %2$s' ); + break; -/** - * 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 = ''; + case 'fail' : // We tried to update but couldn't. + case 'manual' : // We can't update (and made no attempt). + /* translators: 1: Site name, 2: WordPress version number. */ + $subject = __( '[%1$s] WordPress %2$s is available. Please update!' ); + break; - function __construct($args = array()) { - $defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme') ); - $args = wp_parse_args($args, $defaults); + case 'critical' : // We tried to update, started to copy files, then things went wrong. + /* translators: 1: Site name. */ + $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' ); + break; - $this->theme = $args['theme']; + default : + return; + } - parent::__construct($args); - } + // If the auto update is not to the latest version, say that the current version of WP is available instead. + $version = 'success' === $type ? $core_update->current : $next_user_core_update->current; + $subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $version ); - 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') . ''; - } + $body = ''; - if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() ) - unset( $update_actions['preview'], $update_actions['activate'] ); - } + switch ( $type ) { + case 'success' : + $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current ); + $body .= "\n\n"; + if ( ! $newer_version_available ) + $body .= __( 'No further action is needed on your part.' ) . ' '; - $update_actions['themes_page'] = '' . __('Return to Themes page') . ''; + // Can only reference the About screen if their update was successful. + list( $about_version ) = explode( '-', $core_update->current, 2 ); + $body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version ); + $body .= "\n" . admin_url( 'about.php' ); - $update_actions = apply_filters('update_theme_complete_actions', $update_actions, $this->theme); - if ( ! empty($update_actions) ) - $this->feedback(implode(' | ', (array)$update_actions)); - } -} + if ( $newer_version_available ) { + $body .= "\n\n" . sprintf( __( 'WordPress %s is also now available.' ), $next_user_core_update->current ) . ' '; + $body .= __( 'Updating is easy and only takes a few moments:' ); + $body .= "\n" . network_admin_url( 'update-core.php' ); + } -/** - * 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. - * - * @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 $id = 0; + break; - function __construct($form, $urlholder) { + case 'fail' : + case 'manual' : + $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current ); - if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) - wp_die(__('Please select a file')); + $body .= "\n\n"; - //Handle a newly uploaded file, Else assume it's already been uploaded - if ( ! empty($_FILES) ) { - $overrides = array( 'test_form' => false, 'test_type' => false ); - $file = wp_handle_upload( $_FILES[$form], $overrides ); + // Don't show this message if there is a newer version available. + // Potential for confusion, and also not useful for them to know at this point. + if ( 'fail' == $type && ! $newer_version_available ) + $body .= __( 'We tried but were unable to update your site automatically.' ) . ' '; - if ( isset( $file['error'] ) ) - wp_die( $file['error'] ); + $body .= __( 'Updating is easy and only takes a few moments:' ); + $body .= "\n" . network_admin_url( 'update-core.php' ); + break; - $this->filename = $_FILES[$form]['name']; - $this->package = $file['file']; + case 'critical' : + if ( $newer_version_available ) + $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update WordPress to version %2$s.' ), home_url(), $core_update->current ); + else + $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current ); - // 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' - ); + $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." ); - // Save the data - $this->id = wp_insert_attachment( $object, $file['file'] ); + $body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" ); + $body .= "\n" . network_admin_url( 'update-core.php' ); + break; + } - // 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 ) ); + // Updates are important! + if ( $type != 'success' || $newer_version_available ) + $body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ); - } 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')); + // Add a note about the support forums to all emails. + $body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' ); + $body .= "\n" . __( 'http://wordpress.org/support/' ); - $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'] ); + // If things are successful and we're now on the latest, mention plugins and themes if any are out of date. + if ( $type == 'success' && ! $newer_version_available && ( get_plugin_updates() || get_theme_updates() ) ) { + $body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' ); + $body .= "\n" . network_admin_url(); + } - $this->filename = $_GET[$urlholder]; - $this->package = $uploads['basedir'] . '/' . $this->filename; + $body .= "\n\n" . __( 'The WordPress Team' ) . "\n"; + + if ( 'critical' == $type && is_wp_error( $result ) ) { + $body .= "\n***\n\n"; + $body .= sprintf( __( 'Your site was running version %s.' ), $GLOBALS['wp_version'] ); + $body .= ' ' . __( 'We have some data that describes the error your site encountered.' ); + $body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' ); + + // If we had a rollback and we're still critical, then the rollback failed too. + // Loop through all errors (the main WP_Error, the update result, the rollback result) for code, data, etc. + if ( 'rollback_was_required' == $result->get_error_code() ) + $errors = array( $result, $result->get_error_data()->update, $result->get_error_data()->rollback ); + else + $errors = array( $result ); + + foreach ( $errors as $error ) { + if ( ! is_wp_error( $error ) ) + continue; + $error_code = $error->get_error_code(); + $body .= "\n\n" . sprintf( __( "Error code: %s" ), $error_code ); + if ( 'rollback_was_required' == $error_code ) + continue; + if ( $error->get_error_message() ) + $body .= "\n" . $error->get_error_message(); + $error_data = $error->get_error_data(); + if ( $error_data ) + $body .= "\n" . implode( ', ', (array) $error_data ); + } + $body .= "\n"; } - } - function cleanup() { - if ( $this->id ) - wp_delete_attachment( $this->id ); + $to = get_site_option( 'admin_email' ); + $headers = ''; + + $email = compact( 'to', 'subject', 'body', 'headers' ); + /** + * Filter the email sent following an automatic background core update. + * + * @since 3.7.0 + * + * @param array $email { + * Array of email arguments that will be passed to wp_mail(). + * + * @type string $to The email recipient. An array of emails can be returned, as handled by wp_mail(). + * @type string $subject The email's subject. + * @type string $body The email message body. + * @type string $headers Any email headers, defaults to no headers. + * } + * @param string $type The type of email being sent. Can be one of 'success', 'fail', 'manual', 'critical'. + * @param object $core_update The update offer that was attempted. + * @param mixed $result The result for the core update. Can be WP_Error. + */ + $email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result ); + + wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] ); + } + + /** + * Prepares and sends an email of a full log of background update results, useful for debugging and geekery. + * + * @since 3.7.0 + */ + protected function send_debug_email() { + $update_count = 0; + foreach ( $this->update_results as $type => $updates ) + $update_count += count( $updates ); + + $body = array(); + $failures = 0; + + $body[] = 'WordPress site: ' . network_home_url( '/' ); + + // Core + if ( isset( $this->update_results['core'] ) ) { + $result = $this->update_results['core'][0]; + if ( $result->result && ! is_wp_error( $result->result ) ) { + $body[] = sprintf( 'SUCCESS: WordPress was successfully updated to %s', $result->name ); + } else { + $body[] = sprintf( 'FAILED: WordPress failed to update to %s', $result->name ); + $failures++; + } + $body[] = ''; + } - elseif ( file_exists( $this->package ) ) - return @unlink( $this->package ); + // Plugins, Themes, Translations + foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) { + if ( ! isset( $this->update_results[ $type ] ) ) + continue; + $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) ); + if ( $success_items ) { + $body[] = "The following {$type}s were successfully updated:"; + foreach ( wp_list_pluck( $success_items, 'name' ) as $name ) + $body[] = ' * SUCCESS: ' . $name; + } + if ( $success_items != $this->update_results[ $type ] ) { + // Failed updates + $body[] = "The following {$type}s failed to update:"; + foreach ( $this->update_results[ $type ] as $item ) { + if ( ! $item->result || is_wp_error( $item->result ) ) { + $body[] = ' * FAILED: ' . $item->name; + $failures++; + } + } + } + $body[] = ''; + } - return true; + if ( $failures ) { + $body[] = ''; + $body[] = 'BETA TESTING?'; + $body[] = '============='; + $body[] = ''; + $body[] = 'This debugging email is sent when you are using a development version of WordPress.'; + $body[] = ''; + $body[] = 'If you think these failures might be due to a bug in WordPress, could you report it?'; + $body[] = ' * Open a thread in the support forums: http://wordpress.org/support/forum/alphabeta'; + $body[] = " * Or, if you're comfortable writing a bug report: http://core.trac.wordpress.org/"; + $body[] = ''; + $body[] = 'Thanks! -- The WordPress Team'; + $body[] = ''; + $subject = sprintf( '[%s] There were failures during background updates', get_bloginfo( 'name' ) ); + } else { + $subject = sprintf( '[%s] Background updates have finished', get_bloginfo( 'name' ) ); + } + + $body[] = 'UPDATE LOG'; + $body[] = '=========='; + $body[] = ''; + + foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) { + if ( ! isset( $this->update_results[ $type ] ) ) + continue; + foreach ( $this->update_results[ $type ] as $update ) { + $body[] = $update->name; + $body[] = str_repeat( '-', strlen( $update->name ) ); + foreach ( $update->messages as $message ) + $body[] = " " . html_entity_decode( str_replace( '…', '...', $message ) ); + if ( is_wp_error( $update->result ) ) { + $results = array( 'update' => $update->result ); + // If we rolled back, we want to know an error that occurred then too. + if ( 'rollback_was_required' === $update->result->get_error_code() ) + $results = (array) $update->result->get_error_data(); + foreach ( $results as $result_type => $result ) { + if ( ! is_wp_error( $result ) ) + continue; + $body[] = ' ' . ( 'rollback' === $result_type ? 'Rollback ' : '' ) . 'Error: [' . $result->get_error_code() . '] ' . $result->get_error_message(); + if ( $result->get_error_data() ) + $body[] = ' ' . implode( ', ', (array) $result->get_error_data() ); + } + } + $body[] = ''; + } + } + + //echo "

\n$subject\n

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