skin = new WP_Upgrader_Skin(); else $this->skin = $skin; } /** * Initialize the upgrader. * * This will set the relationship between the skin being used and this upgrader, * and also add the generic strings to `WP_Upgrader::$strings`. * * @since 2.8.0 * @access public */ public function init() { $this->skin->set_upgrader($this); $this->generic_strings(); } /** * Add the generic strings to WP_Upgrader::$strings. * * @since 2.8.0 * @access public */ public function generic_strings() { $this->strings['bad_request'] = __('Invalid Data provided.'); $this->strings['fs_unavailable'] = __('Could not access filesystem.'); $this->strings['fs_error'] = __('Filesystem error.'); $this->strings['fs_no_root_dir'] = __('Unable to locate WordPress Root directory.'); $this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).'); $this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress Plugin directory.'); $this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress Theme directory.'); /* translators: %s: directory name */ $this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).'); $this->strings['download_failed'] = __('Download failed.'); $this->strings['installing_package'] = __('Installing the latest version…'); $this->strings['no_files'] = __('The package contains no files.'); $this->strings['folder_exists'] = __('Destination folder already exists.'); $this->strings['mkdir_failed'] = __('Could not create directory.'); $this->strings['incompatible_archive'] = __('The package could not be installed.'); $this->strings['files_not_writable'] = __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ); $this->strings['maintenance_start'] = __('Enabling Maintenance mode…'); $this->strings['maintenance_end'] = __('Disabling Maintenance mode…'); } /** * Connect to the filesystem. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param array $directories Optional. A list of directories. If any of these do * not exist, a {@see WP_Error} object will be returned. * Default empty array. * @param bool $allow_relaxed_file_ownership Whether to allow relaxed file ownership. * Default false. * @return bool|WP_Error True if able to connect, false or a {@see WP_Error} otherwise. */ public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) { global $wp_filesystem; if ( false === ( $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership ) ) ) { return false; } if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) { $error = true; if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() ) $error = $wp_filesystem->errors; // Failed to connect, Error and request again $this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership ); return false; } if ( ! is_object($wp_filesystem) ) return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] ); if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors); foreach ( (array)$directories as $dir ) { switch ( $dir ) { case ABSPATH: if ( ! $wp_filesystem->abspath() ) return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']); break; case WP_CONTENT_DIR: if ( ! $wp_filesystem->wp_content_dir() ) return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']); break; case WP_PLUGIN_DIR: if ( ! $wp_filesystem->wp_plugins_dir() ) return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']); break; case get_theme_root(): if ( ! $wp_filesystem->wp_themes_dir() ) return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); break; default: if ( ! $wp_filesystem->find_folder($dir) ) return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) ); break; } } return true; } //end fs_connect(); /** * Download a package. * * @since 2.8.0 * @access public * * @param string $package The URI of the package. If this is the full path to an * existing local file, it will be returned untouched. * @return string|WP_Error The full path to the downloaded package file, or a {@see WP_Error} object. */ public function download_package( $package ) { /** * Filter whether to return the package. * * @since 3.7.0 * @access public * * @param bool $reply Whether to bail without returning the package. * Default false. * @param string $package The package file name. * @param WP_Upgrader $this The WP_Upgrader instance. */ $reply = apply_filters( 'upgrader_pre_download', false, $package, $this ); if ( false !== $reply ) return $reply; if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote? return $package; //must be a local file.. if ( empty($package) ) return new WP_Error('no_package', $this->strings['no_package']); $this->skin->feedback('downloading_package', $package); $download_file = download_url($package); if ( is_wp_error($download_file) ) return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message()); return $download_file; } /** * Unpack a compressed package file. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param string $package Full path to the package file. * @param bool $delete_package Optional. Whether to delete the package file after attempting * to unpack it. Default true. * @return string|WP_Error The path to the unpacked contents, or a {@see WP_Error} on failure. */ public 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 - Strip off any .tmp or .zip suffixes $working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' ); // Clean up working directory if ( $wp_filesystem->is_dir($working_dir) ) $wp_filesystem->delete($working_dir, true); // Unzip package to working directory $result = unzip_file( $package, $working_dir ); // Once extracted, delete the package if required. if ( $delete_package ) unlink($package); if ( is_wp_error($result) ) { $wp_filesystem->delete($working_dir, true); if ( 'incompatible_archive' == $result->get_error_code() ) { return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() ); } return $result; } return $working_dir; } /** * Clears the directory where this item is going to be installed into. * * @since 4.3.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param string $remote_destination The location on the remote filesystem to be cleared * @return bool|WP_Error True upon success, WP_Error on failure. */ public function clear_destination( $remote_destination ) { global $wp_filesystem; if ( ! $wp_filesystem->exists( $remote_destination ) ) { return true; } // Check all files are writable before attempting to clear the destination. $unwritable_files = array(); $_files = $wp_filesystem->dirlist( $remote_destination, true, true ); // Flatten the resulting array, iterate using each as we append to the array during iteration. while ( $f = each( $_files ) ) { $file = $f['value']; $name = $f['key']; if ( ! isset( $file['files'] ) ) { continue; } foreach ( $file['files'] as $filename => $details ) { $_files[ $name . '/' . $filename ] = $details; } } // Check writability. foreach ( $_files as $filename => $file_details ) { if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) { // Attempt to alter permissions to allow writes and try again. $wp_filesystem->chmod( $remote_destination . $filename, ( 'd' == $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) ); if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) { $unwritable_files[] = $filename; } } } if ( ! empty( $unwritable_files ) ) { return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) ); } if ( ! $wp_filesystem->delete( $remote_destination, true ) ) { return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] ); } return true; } /** * Install a package. * * Copies the contents of a package form a source directory, and installs them in * a destination directory. Optionally removes the source. It can also optionally * clear out the destination folder if it already exists. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * @global array $wp_theme_directories * * @param array|string $args { * Optional. Array or string of arguments for installing a package. Default empty array. * * @type string $source Required path to the package source. Default empty. * @type string $destination Required path to a folder to install the package in. * Default empty. * @type bool $clear_destination Whether to delete any files already in the destination * folder. Default false. * @type bool $clear_working Whether to delete the files form the working directory * after copying to the destination. Default false. * @type bool $abort_if_destination_exists Whether to abort the installation if * the destination folder already exists. Default true. * @type array $hook_extra Extra arguments to pass to the filter hooks called by * {@see WP_Upgrader::install_package()}. Default empty array. * } * * @return array|WP_Error The result (also stored in `WP_Upgrader:$result`), or a {@see WP_Error} on failure. */ public 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); // These were previously extract()'d. $source = $args['source']; $destination = $args['destination']; $clear_destination = $args['clear_destination']; @set_time_limit( 300 ); if ( empty( $source ) || empty( $destination ) ) { return new WP_Error( 'bad_request', $this->strings['bad_request'] ); } $this->skin->feedback( 'installing_package' ); /** * Filter the install response before the installation has started. * * Returning a truthy value, or one that could be evaluated as a WP_Error * will effectively short-circuit the installation, returning that value * instead. * * @since 2.8.0 * * @param bool|WP_Error $response Response. * @param array $hook_extra Extra arguments passed to hooked filters. */ $res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] ); if ( is_wp_error( $res ) ) { return $res; } //Retain the Original source and destinations $remote_source = $args['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( $args['source'] ) . $source_files[0] . '/' ) ) { //Only one folder? Then we want its contents. $source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] ); } elseif ( count( $source_files ) == 0 ) { return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files? } else { //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. $source = trailingslashit( $args['source'] ); } /** * Filter the source file location for the upgrade package. * * @since 2.8.0 * * @param string $source File source location. * @param string $remote_source Remove file source location. * @param WP_Upgrader $this WP_Upgrader instance. */ $source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this ); if ( is_wp_error( $source ) ) { return $source; } // Has the source location changed? If so, we need a new source_files list. if ( $source !== $remote_source ) { $source_files = array_keys( $wp_filesystem->dirlist( $source ) ); } /* * Protection against deleting files in any important base directories. * Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the * destination directory (WP_PLUGIN_DIR / wp-content/themes) intending * to copy the directory into the directory, whilst they pass the source * as the actual files to copy. */ $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' ); if ( is_array( $wp_theme_directories ) ) { $protected_directories = array_merge( $protected_directories, $wp_theme_directories ); } if ( in_array( $destination, $protected_directories ) ) { $remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) ); $destination = trailingslashit( $destination ) . trailingslashit( basename( $source ) ); } if ( $clear_destination ) { // We're going to clear the destination if there's something there. $this->skin->feedback('remove_old'); $removed = $this->clear_destination( $remote_destination ); /** * Filter whether the upgrader cleared the destination. * * @since 2.8.0 * * @param mixed $removed Whether the destination was cleared. true on success, WP_Error on failure * @param string $local_destination The local package destination. * @param string $remote_destination The remote package destination. * @param array $hook_extra Extra arguments passed to hooked filters. */ $removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] ); if ( is_wp_error( $removed ) ) { return $removed; } } elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists($remote_destination) ) { //If we're not clearing the destination folder and something exists there already, Bail. //But first check to see if there are actually any files in the folder. $_files = $wp_filesystem->dirlist($remote_destination); if ( ! empty($_files) ) { $wp_filesystem->delete($remote_source, true); //Clear out the source files. return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination ); } } //Create destination if needed if ( ! $wp_filesystem->exists( $remote_destination ) ) { if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) { return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination ); } } // Copy new version of item into place. $result = copy_dir($source, $remote_destination); if ( is_wp_error($result) ) { if ( $args['clear_working'] ) { $wp_filesystem->delete( $remote_source, true ); } return $result; } //Clear the Working folder? if ( $args['clear_working'] ) { $wp_filesystem->delete( $remote_source, true ); } $destination_name = basename( str_replace($local_destination, '', $destination) ); if ( '.' == $destination_name ) { $destination_name = ''; } $this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' ); /** * Filter the install response after the installation has finished. * * @since 2.8.0 * * @param bool $response Install response. * @param array $hook_extra Extra arguments passed to hooked filters. * @param array $result Installation result data. */ $res = apply_filters( 'upgrader_post_install', true, $args['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; } /** * Run an upgrade/install. * * Attempts to download the package (if it is not a local file), unpack it, and * install it in the destination folder. * * @since 2.8.0 * @access public * * @param array $options { * Array or string of arguments for upgrading/installing a package. * * @type string $package The full path or URI of the package to install. * Default empty. * @type string $destination The full path to the destination folder. * Default empty. * @type bool $clear_destination Whether to delete any files already in the * destination folder. Default false. * @type bool $clear_working Whether to delete the files form the working * directory after copying to the destination. * Default false. * @type bool $abort_if_destination_exists Whether to abort the installation if the destination * folder already exists. When true, `$clear_destination` * should be false. Default true. * @type bool $is_multi Whether this run is one of multiple upgrade/install * actions being performed in bulk. When true, the skin * {@see WP_Upgrader::header()} and {@see WP_Upgrader::footer()} * aren't called. Default false. * @type array $hook_extra Extra arguments to pass to the filter hooks called by * {@see WP_Upgrader::run()}. * } * @return array|false|WP_error The result from self::install_package() on success, otherwise a WP_Error, * or false if unable to connect to the filesystem. */ public function run( $options ) { $defaults = array( 'package' => '', // Please always pass this. 'destination' => '', // And this 'clear_destination' => false, 'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please 'clear_working' => true, 'is_multi' => false, 'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters. ); $options = wp_parse_args( $options, $defaults ); /** * Filter the package options before running an update. * * @since 4.3.0 * * @param array $options { * Options used by the upgrader. * * @type string $package Package for update. * @type string $destination Update location. * @type bool $clear_destination Clear the destination resource. * @type bool $clear_working Clear the working resource. * @type bool $abort_if_destination_exists Abort if the Destination directory exists. * @type bool $is_multi Whether the upgrader is running multiple times. * @type array $hook_extra Extra hook arguments. * } */ $options = apply_filters( 'upgrader_package_options', $options ); if ( ! $options['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, $options['destination'] ) ); // Mainly for non-connected filesystem. if ( ! $res ) { if ( ! $options['is_multi'] ) { $this->skin->footer(); } return false; } $this->skin->before(); if ( is_wp_error($res) ) { $this->skin->error($res); $this->skin->after(); if ( ! $options['is_multi'] ) { $this->skin->footer(); } return $res; } /* * Download the package (Note, This just returns the filename * of the file if the package is a local file) */ $download = $this->download_package( $options['package'] ); if ( is_wp_error($download) ) { $this->skin->error($download); $this->skin->after(); if ( ! $options['is_multi'] ) { $this->skin->footer(); } return $download; } $delete_package = ( $download != $options['package'] ); // Do not delete a "local" file // Unzips the file into a temporary directory. $working_dir = $this->unpack_package( $download, $delete_package ); if ( is_wp_error($working_dir) ) { $this->skin->error($working_dir); $this->skin->after(); if ( ! $options['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' => $options['destination'], 'clear_destination' => $options['clear_destination'], 'abort_if_destination_exists' => $options['abort_if_destination_exists'], 'clear_working' => $options['clear_working'], 'hook_extra' => $options['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 ( ! $options['is_multi'] ) { /** This action is documented in wp-admin/includes/class-wp-upgrader.php */ do_action( 'upgrader_process_complete', $this, $options['hook_extra'] ); $this->skin->footer(); } return $result; } /** * Toggle maintenance mode for the site. * * Creates/deletes the maintenance file to enable/disable maintenance mode. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param bool $enable True to enable maintenance mode, false to disable. */ public 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); } elseif ( ! $enable && $wp_filesystem->exists( $file ) ) { $this->skin->feedback('maintenance_end'); $wp_filesystem->delete($file); } } } /** * Core class used for upgrading/installing plugins. * * It is designed to upgrade/install plugins from a local zip, remote zip URL, * or uploaded zip file. * * @since 2.8.0 * * @see WP_Upgrader */ class Plugin_Upgrader extends WP_Upgrader { /** * Plugin upgrade result. * * @since 2.8.0 * @access public * @var array|WP_Error $result * * @see WP_Upgrader::$result */ public $result; /** * Whether a bulk upgrade/install is being performed. * * @since 2.9.0 * @access public * @var bool $bulk */ public $bulk = false; /** * Initialize the upgrade strings. * * @since 2.8.0 * @access public */ public 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.'); $this->strings['process_bulk_success'] = __('Plugins updated successfully.'); } /** * Initialize the install strings. * * @since 2.8.0 * @access public */ public function install_strings() { $this->strings['no_package'] = __('Install package not available.'); $this->strings['downloading_package'] = __('Downloading install package from %s…'); $this->strings['unpack_package'] = __('Unpacking the package…'); $this->strings['installing_package'] = __('Installing the plugin…'); $this->strings['no_files'] = __('The plugin contains no files.'); $this->strings['process_failed'] = __('Plugin install failed.'); $this->strings['process_success'] = __('Plugin installed successfully.'); } /** * Install a plugin package. * * @since 2.8.0 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. * @access public * * @param string $package The full local path or URI of the package. * @param array $args { * Optional. Other arguments for installing a plugin package. Default empty array. * * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. * Default true. * } * @return bool|WP_Error True if the install was successful, false or a WP_Error otherwise. */ public function install( $package, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); add_filter('upgrader_source_selection', array($this, 'check_package') ); $this->run( array( 'package' => $package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => false, // Do not overwrite files. 'clear_working' => true, 'hook_extra' => array( 'type' => 'plugin', 'action' => 'install', ) ) ); remove_filter('upgrader_source_selection', array($this, 'check_package') ); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of plugin update information wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return true; } /** * Upgrade a plugin. * * @since 2.8.0 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. * @access public * * @param string $plugin The basename path to the main plugin file. * @param array $args { * Optional. Other arguments for upgrading a plugin package. Defualt empty array. * * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. * Default true. * } * @return bool|WP_Error True if the upgrade was successful, false or a {@see WP_Error} object otherwise. */ public function upgrade( $plugin, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); $current = get_site_transient( 'update_plugins' ); if ( !isset( $current->response[ $plugin ] ) ) { $this->skin->before(); $this->skin->set_result(false); $this->skin->error('up_to_date'); $this->skin->after(); return false; } // Get the URL to the zip file $r = $current->response[ $plugin ]; add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2); add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); //'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins. $this->run( array( 'package' => $r->package, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'plugin' => $plugin, 'type' => 'plugin', 'action' => 'update', ), ) ); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Force refresh of plugin update information wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return true; } /** * Bulk upgrade several plugins at once. * * @since 2.8.0 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. * @access public * * @param array $plugins Array of the basename paths of the plugins' main files. * @param array $args { * Optional. Other arguments for upgrading several plugins at once. Default empty array. * * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. * Default true. * } * @return array|false An array of results indexed by plugin file, or false if unable to connect to the filesystem. */ public function bulk_upgrade( $plugins, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; $this->upgrade_strings(); $current = get_site_transient( 'update_plugins' ); add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) ); if ( ! $res ) { $this->skin->footer(); return false; } $this->skin->bulk_header(); /* * Only start maintenance mode if: * - running Multisite and there are one or more plugins specified, OR * - a plugin with an update available is currently active. * @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. */ $maintenance = ( is_multisite() && ! empty( $plugins ) ); foreach ( $plugins as $plugin ) $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) ); if ( $maintenance ) $this->maintenance_mode(true); $results = array(); $this->update_count = count($plugins); $this->update_current = 0; foreach ( $plugins as $plugin ) { $this->update_current++; $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true); if ( !isset( $current->response[ $plugin ] ) ) { $this->skin->set_result('up_to_date'); $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); /** * Fires when the bulk upgrader process is complete. * * @since 3.6.0 * * @param Plugin_Upgrader $this Plugin_Upgrader instance. In other contexts, $this, might * be a Theme_Upgrader or Core_Upgrade instance. * @param array $data { * Array of bulk item update data. * * @type string $action Type of action. Default 'update'. * @type string $type Type of update process. Accepts 'plugin', 'theme', or 'core'. * @type bool $bulk Whether the update process is a bulk update. Default true. * @type array $packages Array of plugin, theme, or core packages to update. * } */ do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true, 'plugins' => $plugins, ) ); $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); // Force refresh of plugin update information. wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); return $results; } /** * Check a source package to be sure it contains a plugin. * * This function is added to the {@see 'upgrader_source_selection'} filter by * {@see Plugin_Upgrader::install()}. * * @since 3.3.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param string $source The path to the downloaded package source. * @return string|WP_Error The source as passed, or a {@see WP_Error} object * if no plugins were found. */ public function check_package($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, let's not prevent installation. return $source; // Check the folder contains at least 1 valid plugin. $plugins_found = false; $files = glob( $working_directory . '*.php' ); if ( $files ) { foreach ( $files as $file ) { $info = get_plugin_data( $file, false, false ); if ( ! empty( $info['Name'] ) ) { $plugins_found = true; break; } } } if ( ! $plugins_found ) return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); return $source; } /** * Retrieve the path to the file that contains the plugin info. * * This isn't used internally in the class, but is called by the skins. * * @since 2.8.0 * @access public * * @return string|false The full path to the main plugin file, or false. */ public function plugin_info() { if ( ! is_array($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]; } /** * Deactivates a plugin before it is upgraded. * * Hooked to the {@see 'upgrader_pre_install'} filter by {@see Plugin_Upgrader::upgrade()}. * * @since 2.8.0 * @since 4.1.0 Added a return value. * @access public * * @param bool|WP_Error $return Upgrade offer return. * @param array $plugin Plugin package arguments. * @return bool|WP_Error The passed in $return param or {@see WP_Error}. */ public function deactivate_plugin_before_upgrade($return, $plugin) { if ( is_wp_error($return) ) //Bypass. return $return; // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it if ( defined( 'DOING_CRON' ) && DOING_CRON ) return $return; $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; if ( empty($plugin) ) return new WP_Error('bad_request', $this->strings['bad_request']); if ( is_plugin_active($plugin) ) { //Deactivate the plugin silently, Prevent deactivation hooks from running. deactivate_plugins($plugin, true); } return $return; } /** * Delete the old plugin during an upgrade. * * Hooked to the {@see 'upgrader_clear_destination'} filter by * {@see Plugin_Upgrader::upgrade()} and {@see Plugin_Upgrader::bulk_upgrade()}. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param bool|WP_Error $removed * @param string $local_destination * @param string $remote_destination * @param array $plugin * @return WP_Error|bool */ public function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) { global $wp_filesystem; if ( is_wp_error($removed) ) return $removed; //Pass errors through. $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; if ( empty($plugin) ) return new WP_Error('bad_request', $this->strings['bad_request']); $plugins_dir = $wp_filesystem->wp_plugins_dir(); $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) ); if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished. return $removed; // If plugin is in its own directory, recursively delete the directory. if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that it's not the root plugin folder $deleted = $wp_filesystem->delete($this_plugin_dir, true); else $deleted = $wp_filesystem->delete($plugins_dir . $plugin); if ( ! $deleted ) return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); return true; } } /** * Core class used for upgrading/installing themes. * * It is designed to upgrade/install themes from a local zip, remote zip URL, * or uploaded zip file. * * @since 2.8.0 * * @see WP_Upgrader */ class Theme_Upgrader extends WP_Upgrader { /** * Result of the theme upgrade offer. * * @since 2.8.0 * @access public * @var array|WP_Erorr $result * @see WP_Upgrader::$result */ public $result; /** * Whether multiple themes are being upgraded/installed in bulk. * * @since 2.9.0 * @access public * @var bool $bulk */ public $bulk = false; /** * Initialize the upgrade strings. * * @since 2.8.0 * @access public */ public 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.'); } /** * Initialize the install strings. * * @since 2.8.0 * @access public */ public function install_strings() { $this->strings['no_package'] = __('Install package not available.'); $this->strings['downloading_package'] = __('Downloading install package from %s…'); $this->strings['unpack_package'] = __('Unpacking the package…'); $this->strings['installing_package'] = __('Installing the theme…'); $this->strings['no_files'] = __('The theme contains no files.'); $this->strings['process_failed'] = __('Theme install failed.'); $this->strings['process_success'] = __('Theme installed successfully.'); /* translators: 1: theme name, 2: version */ $this->strings['process_success_specific'] = __('Successfully installed the theme %1$s %2$s.'); $this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_prepare_install'] = __('Preparing to install %1$s %2$s…'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_currently_installed'] = __('The parent theme, %1$s %2$s, is currently installed.'); /* translators: 1: theme name, 2: version */ $this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, %1$s %2$s.'); $this->strings['parent_theme_not_found'] = __('The parent theme could not be found. You will need to install the parent theme, %s, before you can use this child theme.'); } /** * Check if a child theme is being installed and we need to install its parent. * * Hooked to the {@see 'upgrader_post_install'} filter by {@see Theme_Upgrader::install()}. * * @since 3.4.0 * @access public * * @param bool $install_result * @param array $hook_extra * @param array $child_result * @return type */ public 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, let's install it. $api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth. if ( ! $api || is_wp_error($api) ) { $this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') ); // Don't show activate or preview actions after install add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); return $install_result; } // Backup required data we're going to override: $child_api = $this->skin->api; $child_success_message = $this->strings['process_success']; // Override them $this->skin->api = $api; $this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version); $this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version); add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme. // Install the parent theme $parent_result = $this->run( array( 'package' => $api->download_link, 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true ) ); if ( is_wp_error($parent_result) ) add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); // Start cleaning up after the parents installation remove_filter('install_theme_complete_actions', '__return_false', 999); // Reset child's result and data $this->result = $child_result; $this->skin->api = $child_api; $this->strings['process_success'] = $child_success_message; return $install_result; } /** * Don't display the activate and preview actions to the user. * * Hooked to the {@see 'install_theme_complete_actions'} filter by * {@see Theme_Upgrader::check_parent_theme_filter()} when installing * a child theme and installing the parent theme fails. * * @since 3.4.0 * @access public * * @param array $actions Preview actions. * @return array */ public function hide_activate_preview_actions( $actions ) { unset($actions['activate'], $actions['preview']); return $actions; } /** * Install a theme package. * * @since 2.8.0 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional. * @access public * * @param string $package The full local path or URI of the package. * @param array $args { * Optional. Other arguments for installing a theme package. Default empty array. * * @type bool $clear_update_cache Whether to clear the updates cache if successful. * Default true. * } * * @return bool|WP_Error True if the install was successful, false or a {@see WP_Error} object otherwise. */ public function install( $package, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->install_strings(); add_filter('upgrader_source_selection', array($this, 'check_package') ); add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3); $this->run( array( 'package' => $package, 'destination' => get_theme_root(), 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true, 'hook_extra' => array( 'type' => 'theme', 'action' => 'install', ), ) ); remove_filter('upgrader_source_selection', array($this, 'check_package') ); remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; // Refresh the Theme Update information wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } /** * Upgrade a theme. * * @since 2.8.0 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional. * @access public * * @param string $theme The theme slug. * @param array $args { * Optional. Other arguments for upgrading a theme. Default empty array. * * @type bool $clear_update_cache Whether to clear the update cache if successful. * Default true. * } * @return bool|WP_Error True if the upgrade was successful, false or a {@see WP_Error} object otherwise. */ public function upgrade( $theme, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); // Is an update available? $current = get_site_transient( 'update_themes' ); if ( !isset( $current->response[ $theme ] ) ) { $this->skin->before(); $this->skin->set_result(false); $this->skin->error( 'up_to_date' ); $this->skin->after(); return false; } $r = $current->response[ $theme ]; add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); $this->run( array( 'package' => $r['package'], 'destination' => get_theme_root( $theme ), 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array( 'theme' => $theme, 'type' => 'theme', 'action' => 'update', ), ) ); remove_filter('upgrader_pre_install', array($this, 'current_before')); remove_filter('upgrader_post_install', array($this, 'current_after')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } /** * Upgrade several themes at once. * * @since 3.0.0 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional. * @access public * * @param array $themes The theme slugs. * @param array $args { * Optional. Other arguments for upgrading several themes at once. Default empty array. * * @type bool $clear_update_cache Whether to clear the update cache if successful. * Default true. * } * @return array[]|false An array of results, or false if unable to connect to the filesystem. */ public function bulk_upgrade( $themes, $args = array() ) { $defaults = array( 'clear_update_cache' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->bulk = true; $this->upgrade_strings(); $current = get_site_transient( 'update_themes' ); add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); $this->skin->header(); // Connect to the Filesystem first. $res = $this->fs_connect( array(WP_CONTENT_DIR) ); if ( ! $res ) { $this->skin->footer(); return false; } $this->skin->bulk_header(); // Only start maintenance mode if: // - running Multisite and there are one or more themes specified, OR // - a theme with an update available is currently in use. // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. $maintenance = ( is_multisite() && ! empty( $themes ) ); foreach ( $themes as $theme ) $maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template(); if ( $maintenance ) $this->maintenance_mode(true); $results = array(); $this->update_count = count($themes); $this->update_current = 0; foreach ( $themes as $theme ) { $this->update_current++; $this->skin->theme_info = $this->theme_info($theme); if ( !isset( $current->response[ $theme ] ) ) { $this->skin->set_result(true); $this->skin->before(); $this->skin->feedback( 'up_to_date' ); $this->skin->after(); $results[$theme] = true; continue; } // Get the URL to the zip file $r = $current->response[ $theme ]; $result = $this->run( array( 'package' => $r['package'], 'destination' => get_theme_root( $theme ), 'clear_destination' => true, 'clear_working' => true, 'is_multi' => true, 'hook_extra' => array( 'theme' => $theme ), ) ); $results[$theme] = $this->result; // Prevent credentials auth screen from displaying multiple times if ( false === $result ) break; } //end foreach $plugins $this->maintenance_mode(false); /** This action is documented in wp-admin/includes/class-wp-upgrader.php */ do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme', 'bulk' => true, 'themes' => $themes, ) ); $this->skin->bulk_footer(); $this->skin->footer(); // Cleanup our hooks, in case something else does a upgrade on this connection. remove_filter('upgrader_pre_install', array($this, 'current_before')); remove_filter('upgrader_post_install', array($this, 'current_after')); remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); // Refresh the Theme Update information wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return $results; } /** * Check that the package source contains a valid theme. * * Hooked to the {@see 'upgrader_source_selection'} filter by {@see Theme_Upgrader::install()}. * It will return an error if the theme doesn't have style.css or index.php * files. * * @since 3.3.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param string $source The full path to the package source. * @return string|WP_Error The source or a WP_Error. */ public 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, let's not prevent installation. return $source; // A proper archive should have a style.css file in the single subdirectory if ( ! file_exists( $working_directory . 'style.css' ) ) return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'], __( 'The theme is missing the style.css stylesheet.' ) ); $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) ); if ( empty( $info['Name'] ) ) return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The style.css stylesheet doesn't contain a valid theme header." ) ); // If it's not a child theme, it must have at least an index.php to be legit. if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the index.php file.' ) ); return $source; } /** * Turn on maintenance mode before attempting to upgrade the current theme. * * Hooked to the {@see 'upgrader_pre_install'} filter by {@see Theme_Upgrader::upgrade()} and * {@see Theme_Upgrader::bulk_upgrade()}. * * @since 2.8.0 * @access public * * @param bool|WP_Error $return * @param array $theme * @return bool|WP_Error */ public function current_before($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; } /** * Turn off maintenance mode after upgrading the current theme. * * Hooked to the {@see 'upgrader_post_install'} filter by {@see Theme_Upgrader::upgrade()} * and {@see Theme_Upgrader::bulk_upgrade()}. * * @since 2.8.0 * @access public * * @param bool|WP_Error $return * @param array $theme * @return bool|WP_Error */ public function current_after($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; } /** * Delete the old theme during an upgrade. * * Hooked to the {@see 'upgrader_clear_destination'} filter by {@see Theme_Upgrader::upgrade()} * and {@see Theme_Upgrader::bulk_upgrade()}. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param bool $removed * @param string $local_destination * @param string $remote_destination * @param array $theme * @return bool */ public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) { global $wp_filesystem; if ( is_wp_error( $removed ) ) return $removed; // Pass errors through. if ( ! isset( $theme['theme'] ) ) return $removed; $theme = $theme['theme']; $themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) ); if ( $wp_filesystem->exists( $themes_dir . $theme ) ) { if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) return false; } return true; } /** * Get the WP_Theme object for a theme. * * @since 2.8.0 * @since 3.0.0 The `$theme` argument was added. * @access public * * @param string $theme The directory name of the theme. This is optional, and if not supplied, * the directory name from the last result will be used. * @return WP_Theme|false The theme's info object, or false `$theme` is not supplied * and the last result isn't set. */ public function theme_info($theme = null) { if ( empty($theme) ) { if ( !empty($this->result['destination_name']) ) $theme = $this->result['destination_name']; else return false; } return wp_get_theme( $theme ); } } /** * Core class used for updating/installing language packs (translations) * for plugins, themes, and core. * * @since 3.7.0 * * @see WP_Upgrader */ class Language_Pack_Upgrader extends WP_Upgrader { /** * Result of the language pack upgrade. * * @since 3.7.0 * @access public * @var array|WP_Error $result * @see WP_Upgrader::$result */ public $result; /** * Whether a bulk upgrade/install is being performed. * * @since 3.7.0 * @access public * @var bool $bulk */ public $bulk = true; /** * Asynchronously upgrades language packs after other upgrades have been made. * * Hooked to the {@see 'upgrader_process_complete'} action by default. * * @since 3.7.0 * @access public * @static * * @param false|WP_Upgrader $upgrader Optional. WP_Upgrader instance or false. If `$upgrader` is * a Language_Pack_Upgrader instance, the method will bail to * avoid recursion. Otherwise unused. Default false. */ public 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; } /* * Avoid messing with VCS installs, at least for now. * Noted: this is not the ideal way to accomplish this. */ $check_vcs = new WP_Automatic_Updater; if ( $check_vcs->is_vcs_checkout( WP_CONTENT_DIR ) ) { return; } foreach ( $language_updates as $key => $language_update ) { $update = ! empty( $language_update->autoupdate ); /** * Filter whether to asynchronously update translation for core, a plugin, or a theme. * * @since 4.0.0 * * @param bool $update Whether to update. * @param object $language_update The update offer. */ $update = apply_filters( 'async_update_translation', $update, $language_update ); if ( ! $update ) { unset( $language_updates[ $key ] ); } } if ( empty( $language_updates ) ) { return; } $skin = new Language_Pack_Upgrader_Skin( array( 'skip_header_footer' => true, ) ); $lp_upgrader = new Language_Pack_Upgrader( $skin ); $lp_upgrader->bulk_upgrade( $language_updates ); } /** * Initialize the upgrade strings. * * @since 3.7.0 * @access public */ public 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.' ); } /** * Upgrade a language pack. * * @since 3.7.0 * @access public * * @param string|false $update Optional. Whether an update offer is available. Default false. * @param array $args Optional. Other optional arguments, see * {@see Language_Pack_Upgrader::bulk_upgrade()}. Default empty array. * @return array|bool|WP_Error The result of the upgrade, or a {@see wP_Error} object instead. */ public function upgrade( $update = false, $args = array() ) { if ( $update ) { $update = array( $update ); } $results = $this->bulk_upgrade( $update, $args ); if ( ! is_array( $results ) ) { return $results; } return $results[0]; } /** * Bulk upgrade language packs. * * @since 3.7.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param array $language_updates Optional. Language pack updates. Default empty array. * @param array $args { * Optional. Other arguments for upgrading multiple language packs. Default empty array * * @type bool $clear_update_cache Whether to clear the update cache when done. * Default true. * } * @return array|bool|WP_Error Will return an array of results, or true if there are no updates, * false or WP_Error for initial errors. */ public 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' ); // Remove any existing upgrade filters from the plugin/theme upgraders #WP29425 & #WP29230 remove_all_filters( 'upgrader_pre_install' ); remove_all_filters( 'upgrader_clear_destination' ); remove_all_filters( 'upgrader_post_install' ); remove_all_filters( 'upgrader_source_selection' ); add_filter( 'upgrader_source_selection', array( $this, 'check_package' ), 10, 2 ); $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' ) ); if ( $parsed_args['clear_update_cache'] ) { wp_clean_update_cache(); } return $results; } /** * Check the package source to make sure there are .mo and .po files. * * Hooked to the {@see 'upgrader_source_selection'} filter by * {@see Language_Pack_Upgrader::bulk_upgrade()}. * * @since 3.7.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * * @param string|WP_Error $source * @param string $remote_source */ public 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; } /** * Get the name of an item being updated. * * @since 3.7.0 * @access public * * @param object $update The data for an update. * @return string The name of the item being updated. */ public function get_name_for_update( $update ) { switch ( $update->type ) { case 'core': return 'WordPress'; // Not translated 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 = reset( $plugin_data ); if ( $plugin_data ) return $plugin_data['Name']; break; } return ''; } } /** * Core class used for updating core. * * It allows for WordPress to upgrade itself in combination with * the wp-admin/includes/update-core.php file. * * @since 2.8.0 * * @see WP_Upgrader */ class Core_Upgrader extends WP_Upgrader { /** * Initialize the upgrade strings. * * @since 2.8.0 * @access public */ public function upgrade_strings() { $this->strings['up_to_date'] = __('WordPress is at the latest version.'); $this->strings['no_package'] = __('Update package not available.'); $this->strings['downloading_package'] = __('Downloading update from %s…'); $this->strings['unpack_package'] = __('Unpacking the update…'); $this->strings['copy_failed'] = __('Could not copy files.'); $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' ); $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' ); $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' ); } /** * Upgrade WordPress core. * * @since 2.8.0 * @access public * * @global WP_Filesystem_Base $wp_filesystem Subclass * @global callable $_wp_filesystem_direct_method * * @param object $current Response object for whether WordPress is current. * @param array $args { * Optional. Arguments for upgrading WordPress core. Default empty array. * * @type bool $pre_check_md5 Whether to check the file checksums before * attempting the upgrade. Default true. * @type bool $attempt_rollback Whether to attempt to rollback the chances if * there is a problem. Default false. * @type bool $do_rollback Whether to perform this "upgrade" as a rollback. * Default false. * } * @return null|false|WP_Error False or WP_Error on failure, null on success. */ public function upgrade( $current, $args = array() ) { global $wp_filesystem; include( ABSPATH . WPINC . '/version.php' ); // $wp_version; $start_time = time(); $defaults = array( 'pre_check_md5' => true, 'attempt_rollback' => false, 'do_rollback' => false, 'allow_relaxed_file_ownership' => false, ); $parsed_args = wp_parse_args( $args, $defaults ); $this->init(); $this->upgrade_strings(); // Is an update available? if ( !isset( $current->response ) || $current->response == 'latest' ) return new WP_Error('up_to_date', $this->strings['up_to_date']); $res = $this->fs_connect( array( ABSPATH, WP_CONTENT_DIR ), $parsed_args['allow_relaxed_file_ownership'] ); if ( ! $res || is_wp_error( $res ) ) { return $res; } $wp_dir = trailingslashit($wp_filesystem->abspath()); $partial = true; if ( $parsed_args['do_rollback'] ) $partial = false; elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() ) $partial = false; /* * If partial update is returned from the API, use that, unless we're doing * a reinstall. If we cross the new_bundled version number, then use * the new_bundled zip. Don't though if the constant is set to skip bundled items. * If the API returns a no_content zip, go with it. Finally, default to the full zip. */ if ( $parsed_args['do_rollback'] && $current->packages->rollback ) $to_download = 'rollback'; elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial ) $to_download = 'partial'; elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' ) && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) $to_download = 'new_bundled'; elseif ( $current->packages->no_content ) $to_download = 'no_content'; else $to_download = 'full'; $download = $this->download_package( $current->packages->$to_download ); if ( is_wp_error($download) ) return $download; $working_dir = $this->unpack_package( $download ); if ( is_wp_error($working_dir) ) return $working_dir; // Copy update-core.php from the new version into place. if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) { $wp_filesystem->delete($working_dir, true); return new WP_Error( 'copy_failed_for_update_core_file', __( '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_once( ABSPATH . 'wp-admin/includes/update-core.php' ); if ( ! function_exists( 'update_core' ) ) return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] ); $result = update_core( $working_dir, $wp_dir ); // In the event of an issue, we may be able to roll back. if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) { $try_rollback = false; if ( is_wp_error( $result ) ) { $error_code = $result->get_error_code(); /* * Not all errors are equal. These codes are critical: copy_failed__copy_dir, * mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full. * do_rollback allows for update_core() to trigger a rollback if needed. */ if ( false !== strpos( $error_code, 'do_rollback' ) ) $try_rollback = true; elseif ( false !== strpos( $error_code, '__copy_dir' ) ) $try_rollback = true; elseif ( 'disk_full' === $error_code ) $try_rollback = true; } if ( $try_rollback ) { /** This filter is documented in wp-admin/includes/update-core.php */ apply_filters( 'update_feedback', $result ); /** This filter is documented in wp-admin/includes/update-core.php */ apply_filters( 'update_feedback', $this->strings['start_rollback'] ); $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) ); $original_result = $result; $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) ); } } /** This action is documented in wp-admin/includes/class-wp-upgrader.php */ do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) ); // Clear the current updates delete_site_transient( 'update_core' ); 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' ), 'fs_method_direct' => !empty( $GLOBALS['_wp_filesystem_direct_method'] ) ? $GLOBALS['_wp_filesystem_direct_method'] : '', 'time_taken' => time() - $start_time, 'reported' => $wp_version, 'attempted' => $current->version, ); 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(); } } wp_version_check( $stats ); } return $result; } /** * Determines if this WordPress Core version should update to an offered version or not. * * @since 3.7.0 * @access public * * @static * * @param string $offered_ver The offered version, of the format x.y.z. * @return bool True if we should update to the offered version, otherwise false. */ public static function should_update_to_version( $offered_ver ) { include( ABSPATH . WPINC . '/version.php' ); // $wp_version; // x.y.z $current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version ), 0, 2 ) ); // x.y $new_branch = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y $current_is_development_version = (bool) strpos( $wp_version, '-' ); // Defaults: $upgrade_dev = true; $upgrade_minor = true; $upgrade_major = false; // WP_AUTO_UPDATE_CORE = true (all), 'minor', false. if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) { if ( false === WP_AUTO_UPDATE_CORE ) { // Defaults to turned off, unless a filter allows it $upgrade_dev = $upgrade_minor = $upgrade_major = false; } elseif ( true === WP_AUTO_UPDATE_CORE ) { // ALL updates for core $upgrade_dev = $upgrade_minor = $upgrade_major = true; } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) { // Only minor updates for core $upgrade_dev = $upgrade_major = false; $upgrade_minor = true; } } // 1: If we're already on that version, not much point in updating? if ( $offered_ver == $wp_version ) return false; // 2: If we're running a newer version, that's a nope if ( version_compare( $wp_version, $offered_ver, '>' ) ) return false; $failure_data = get_site_option( 'auto_core_update_failed' ); if ( $failure_data ) { // If this was a critical update failure, cannot update. if ( ! empty( $failure_data['critical'] ) ) return false; // Don't claim we can update on update-core.php if we have a non-critical failure logged. if ( $wp_version == $failure_data['current'] && false !== strpos( $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; } // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2 if ( $current_is_development_version ) { /** * Filter whether to enable automatic core updates for development versions. * * @since 3.7.0 * * @param bool $upgrade_dev Whether to enable automatic updates for * development versions. */ 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 ) { /** * Filter whether to enable minor automatic core updates. * * @since 3.7.0 * * @param bool $upgrade_minor Whether to enable minor automatic core updates. */ 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, '>' ) ) { /** * Filter whether to enable major automatic core updates. * * @since 3.7.0 * * @param bool $upgrade_major Whether to enable major automatic core updates. */ return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); } // If we're not sure, we don't want it return false; } /** * Compare the disk file checksums agains the expected checksums. * * @since 3.7.0 * @access public * * @global string $wp_version * @global string $wp_local_package * * @return bool True if the checksums match, otherwise false. */ public 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; } } /** * Core class used for handling file uploads. * * This class handles the upload process and passes it as if it's a local file * to the Upgrade/Installer functions. * * @since 2.8.0 */ class File_Upload_Upgrader { /** * The full path to the file package. * * @since 2.8.0 * @access public * @var string $package */ public $package; /** * The name of the file. * * @since 2.8.0 * @access public * @var string $filename */ public $filename; /** * The ID of the attachment post for this file. * * @since 3.3.0 * @access public * @var int $id */ public $id = 0; /** * Construct the upgrader for a form. * * @since 2.8.0 * @access public * * @param string $form The name of the form the file was uploaded from. * @param string $urlholder The name of the `GET` parameter that holds the filename. */ public function __construct( $form, $urlholder ) { if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) wp_die(__('Please select a file')); //Handle a newly uploaded file, Else assume it's already been uploaded if ( ! empty($_FILES) ) { $overrides = array( 'test_form' => false, 'test_type' => false ); $file = wp_handle_upload( $_FILES[$form], $overrides ); if ( isset( $file['error'] ) ) wp_die( $file['error'] ); $this->filename = $_FILES[$form]['name']; $this->package = $file['file']; // Construct the object array $object = array( 'post_title' => $this->filename, 'post_content' => $file['url'], 'post_mime_type' => $file['type'], 'guid' => $file['url'], 'context' => 'upgrader', 'post_status' => 'private' ); // Save the data. $this->id = wp_insert_attachment( $object, $file['file'] ); // Schedule a cleanup for 2 hours from now in case of failed install. wp_schedule_single_event( time() + 2 * HOUR_IN_SECONDS, '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; } } /** * Delete the attachment/uploaded file. * * @since 3.2.2 * @access public * * @return bool Whether the cleanup was successful. */ public function cleanup() { if ( $this->id ) wp_delete_attachment( $this->id ); elseif ( file_exists( $this->package ) ) return @unlink( $this->package ); return true; } } /** * Core class used for handling automatic background updates. * * @since 3.7.0 */ class WP_Automatic_Updater { /** * Tracks update results during processing. * * @var array * @access protected */ protected $update_results = array(); /** * Whether the entire automatic updater is disabled. * * @since 3.7.0 * @access public */ 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 * @access public * * @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; // Continue one level at a time. } while ( $context_dir = dirname( $context_dir ) ); } $check_dirs = array_unique( $check_dirs ); // Search all directories we've found for evidence of version control. foreach ( $vcs_dirs as $vcs_dir ) { foreach ( $check_dirs as $check_dir ) { if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) break 2; } } /** * 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 * @access public * * @global wpdb $wpdb * * @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; // Only relax the filesystem checks when the update doesn't include new files $allow_relaxed_file_ownership = false; if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) { $allow_relaxed_file_ownership = true; } // 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, $allow_relaxed_file_ownership ) || $this->is_vcs_checkout( $context ) ) { if ( 'core' == $type ) $this->send_core_update_notification_email( $item ); return false; } // Next up, is this an item we can update? if ( 'core' == $type ) $update = Core_Upgrader::should_update_to_version( $item->current ); else $update = ! empty( $item->autoupdate ); /** * Filter whether to automatically update core, a plugin, a theme, or a language. * * The dynamic portion of the hook name, `$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 {@see 'allow_dev_auto_core_updates', {@see 'allow_minor_auto_core_updates'}, * and {@see 'allow_major_auto_core_updates'} filters for a more straightforward way 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; } // If it's a core update, are we actually compatible with its requirements? if ( 'core' == $type ) { global $wpdb; $php_compat = version_compare( phpversion(), $item->php_version, '>=' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) $mysql_compat = true; else $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' ); if ( ! $php_compat || ! $mysql_compat ) return false; } return true; } /** * Notifies an administrator of a core update. * * @since 3.7.0 * @access protected * * @param object $item The update offer. */ protected function send_core_update_notification_email( $item ) { $notified = get_site_option( 'auto_core_update_notified' ); // Don't notify if we've already notified the same email address of the same version. if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current ) return false; // See if we need to notify users of a core update. $notify = ! empty( $item->notify_email ); /** * Filter 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 some discretion * in if and when to notify. * * This filter is only evaluated once per release. If the same email address * was already notified of the same new version, WordPress 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; $this->send_email( 'manual', $item ); return true; } /** * Update an item, if appropriate. * * @since 3.7.0 * @access public * * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. * @param object $item The update offer. * * @return null|WP_Error */ 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->theme ); break; case 'translation': $upgrader = new Language_Pack_Upgrader( $skin ); $context = WP_CONTENT_DIR; // WP_LANG_DIR; break; } // Determine whether we can and should perform this update. if ( ! $this->should_update( $type, $item, $context ) ) return false; $upgrader_item = $item; switch ( $type ) { case 'core': $skin->feedback( __( 'Updating to WordPress %s' ), $item->version ); $item_name = sprintf( __( 'WordPress %s' ), $item->version ); break; case 'theme': $upgrader_item = $item->theme; $theme = wp_get_theme( $upgrader_item ); $item_name = $theme->Get( 'Name' ); $skin->feedback( __( 'Updating theme: %s' ), $item_name ); break; case 'plugin': $upgrader_item = $item->plugin; $plugin_data = get_plugin_data( $context . '/' . $upgrader_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; } $allow_relaxed_file_ownership = false; if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) { $allow_relaxed_file_ownership = true; } // Boom, This sites about to get a whole new splash of paint! $upgrade_result = $upgrader->upgrade( $upgrader_item, array( 'clear_update_cache' => false, // Always use partial builds if possible for core updates. 'pre_check_md5' => false, // Only available for core updates. 'attempt_rollback' => true, // Allow relaxed file ownership in some scenarios 'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership, ) ); // If the filesystem is unavailable, false is returned. if ( false === $upgrade_result ) { $upgrade_result = new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); } // Core doesn't output this, so let's append it so we don't get confused. if ( 'core' == $type ) { if ( is_wp_error( $upgrade_result ) ) { $skin->error( __( 'Installation Failed' ), $upgrade_result ); } else { $skin->feedback( __( 'WordPress updated successfully' ) ); } } $this->update_results[ $type ][] = (object) array( 'item' => $item, 'result' => $upgrade_result, 'name' => $item_name, 'messages' => $skin->get_upgrade_messages() ); return $upgrade_result; } /** * Kicks off the background update process, looping through all pending updates. * * @since 3.7.0 * @access public * * @global wpdb $wpdb * @global string $wp_version */ public function run() { global $wpdb, $wp_version; if ( $this->is_disabled() ) return; if ( ! is_main_network() || ! is_main_site() ) return; $lock_name = 'auto_updater.lock'; // Try to lock $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); if ( ! $lock_result ) { $lock_result = get_option( $lock_name ); // If we couldn't create a lock, and there isn't a lock, bail if ( ! $lock_result ) return; // Check to see if the lock is still valid if ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) return; } // Update the lock, as by this point we've definitely 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 ( $plugin_updates->response as $plugin ) { $this->update( 'plugin', $plugin ); } // Force refresh of plugin update information wp_clean_plugins_cache(); } // Next, those themes we all love wp_update_themes(); // Check for Theme updates $theme_updates = get_site_transient( 'update_themes' ); if ( $theme_updates && !empty( $theme_updates->response ) ) { foreach ( $theme_updates->response as $theme ) { $this->update( 'theme', (object) $theme ); } // Force refresh of theme update information wp_clean_themes_cache(); } // Next, Process any core update wp_version_check(); // Check for Core updates $core_update = find_core_auto_update(); if ( $core_update ) $this->update( 'core', $core_update ); // Clean up, and check for any pending translations // (Core_Upgrader checks for core updates) $theme_stats = array(); if ( isset( $this->update_results['theme'] ) ) { foreach ( $this->update_results['theme'] as $upgrade ) { $theme_stats[ $upgrade->item->theme ] = ( true === $upgrade->result ); } } wp_update_themes( $theme_stats ); // Check for Theme updates $plugin_stats = array(); if ( isset( $this->update_results['plugin'] ) ) { foreach ( $this->update_results['plugin'] as $upgrade ) { $plugin_stats[ $upgrade->item->plugin ] = ( true === $upgrade->result ); } } wp_update_plugins( $plugin_stats ); // Check for Plugin updates // Finally, Process any new translations $language_updates = wp_get_translation_updates(); if ( $language_updates ) { foreach ( $language_updates as $update ) { $this->update( 'translation', $update ); } // Clear existing caches wp_clean_update_cache(); wp_version_check(); // check for Core updates wp_update_themes(); // Check for Theme updates wp_update_plugins(); // Check for Plugin updates } // Send debugging email to all development installs. if ( ! empty( $this->update_results ) ) { $development_version = false !== strpos( $wp_version, '-' ); /** * 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] ); /** * Fires after all automatic updates have run. * * @since 3.8.0 * * @param array $update_results The results of all attempted updates. */ do_action( 'automatic_updates_complete', $this->update_results ); } // Clear the lock delete_option( $lock_name ); } /** * If we tried to perform a core update, check if we should send an email, * and if we need to avoid processing future updates. * * @since Unknown * @access protected * * @global string $wp_version * * @param object|WP_Error $update_result The result of the core update. Includes the update offer and result. */ protected function after_core_update( $update_result ) { global $wp_version; $core_update = $update_result->item; $result = $update_result->result; if ( ! is_wp_error( $result ) ) { $this->send_email( 'success', $core_update ); return; } $error_code = $result->get_error_code(); // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files. // We should not try to perform a background update again until there is a successful one-click update performed by the user. $critical = false; if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) { $critical = true; } elseif ( $error_code === 'rollback_was_required' && 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; } 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; } /* * 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 * @access protected * * @global string $wp_version * * @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->version, '>' ) ); /** * 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; switch ( $type ) { case 'success' : // We updated. /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] Your site has updated to WordPress %2$s' ); break; case 'fail' : // We tried to update but couldn't. case 'manual' : // We can't update (and made no attempt). /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] WordPress %2$s is available. Please update!' ); break; case 'critical' : // We tried to update, started to copy files, then things went wrong. /* translators: 1: Site name. */ $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' ); break; default : return; } // 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 ); $body = ''; switch ( $type ) { case 'success' : $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n"; if ( ! $newer_version_available ) $body .= __( 'No further action is needed on your part.' ) . ' '; // Can only reference the About screen if their update was successful. list( $about_version ) = explode( '-', $core_update->current, 2 ); $body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version ); $body .= "\n" . admin_url( 'about.php' ); 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' ); } break; case 'fail' : case 'manual' : $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current ); $body .= "\n\n"; // 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.' ) . ' '; $body .= __( 'Updating is easy and only takes a few moments:' ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; 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 ); $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." ); $body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; } $critical_support = 'critical' === $type && ! empty( $core_update->support_email ); if ( $critical_support ) { // Support offer if available. $body .= "\n\n" . sprintf( __( "The WordPress team is willing to help you. Forward this email to %s and the team will work with you to make sure your site is working." ), $core_update->support_email ); } else { // Add a note about the support forums. $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" . __( 'https://wordpress.org/support/' ); } // 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.' ); } if ( $critical_support ) { $body .= " " . __( "If you reach out to us, we'll also ensure you'll never have this problem again." ); } // 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(); } $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"; } $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'], wp_specialchars_decode( $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 * @access protected */ protected function send_debug_email() { $update_count = 0; foreach ( $this->update_results as $type => $updates ) $update_count += count( $updates ); $body = array(); $failures = 0; $body[] = sprintf( __( 'WordPress site: %s' ), network_home_url( '/' ) ); // Core if ( isset( $this->update_results['core'] ) ) { $result = $this->update_results['core'][0]; if ( $result->result && ! is_wp_error( $result->result ) ) { $body[] = sprintf( __( 'SUCCESS: WordPress was successfully updated to %s' ), $result->name ); } else { $body[] = sprintf( __( 'FAILED: WordPress failed to update to %s' ), $result->name ); $failures++; } $body[] = ''; } // Plugins, Themes, Translations foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) { /** * Filter to control whether a notification email is sent to the site admin email address for * plugin, theme, and translation updates. * * By default, this only has an effect when automatic background updates are enabled and a * development version of WordPress is in use. * * @since 4.4.0 * * @param bool $notify Whether the site administrator is notified. * @param string $type The type of update. One of 'plugin', 'theme', or 'translation'. * @param WP_Automatic_Updater $this The WP_Automatic_Updater instance. */ if ( ! apply_filters( 'send_update_notification_email', true, $type, $this ) ) { continue; } if ( ! isset( $this->update_results[ $type ] ) ) continue; $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) ); if ( $success_items ) { $messages = array( 'plugin' => __( 'The following plugins were successfully updated:' ), 'theme' => __( 'The following themes were successfully updated:' ), 'translation' => __( 'The following translations were successfully updated:' ), ); $body[] = $messages[ $type ]; foreach ( wp_list_pluck( $success_items, 'name' ) as $name ) { $body[] = ' * ' . sprintf( __( 'SUCCESS: %s' ), $name ); } } if ( $success_items != $this->update_results[ $type ] ) { // Failed updates $messages = array( 'plugin' => __( 'The following plugins failed to update:' ), 'theme' => __( 'The following themes failed to update:' ), 'translation' => __( 'The following translations failed to update:' ), ); $body[] = $messages[ $type ]; foreach ( $this->update_results[ $type ] as $item ) { if ( ! $item->result || is_wp_error( $item->result ) ) { $body[] = ' * ' . sprintf( __( 'FAILED: %s' ), $item->name ); $failures++; } } } $body[] = ''; } if ( empty( $body ) ) { return; } $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ); if ( $failures ) { $body[] = trim( __( "BETA TESTING? ============= This debugging email is sent when you are using a development version of WordPress. If you think these failures might be due to a bug in WordPress, could you report it? * Open a thread in the support forums: https://wordpress.org/support/forum/alphabeta * Or, if you're comfortable writing a bug report: https://core.trac.wordpress.org/ Thanks! -- The WordPress Team" ) ); $body[] = ''; $subject = sprintf( __( '[%s] There were failures during background updates' ), $site_title ); } else { $subject = sprintf( __( '[%s] Background updates have finished' ), $site_title ); } $body[] = trim( __( 'UPDATE LOG ==========' ) ); $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; if ( 'rollback' === $result_type ) { /* translators: 1: Error code, 2: Error message. */ $body[] = ' ' . sprintf( __( 'Rollback Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); } else { /* translators: 1: Error code, 2: Error message. */ $body[] = ' ' . sprintf( __( 'Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); } if ( $result->get_error_data() ) $body[] = ' ' . implode( ', ', (array) $result->get_error_data() ); } } $body[] = ''; } } $email = array( 'to' => get_site_option( 'admin_email' ), 'subject' => $subject, 'body' => implode( "\n", $body ), 'headers' => '' ); /** * Filter the debug email that can be sent following an automatic * background core update. * * @since 3.8.0 * * @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 Email subject. * @type string $body Email message body. * @type string $headers Any email headers. Default empty. * } * @param int $failures The number of failures encountered while upgrading. * @param mixed $results The results of all attempted updates. */ $email = apply_filters( 'automatic_updates_debug_email', $email, $failures, $this->update_results ); wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] ); } }