X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/d3b1ea255664edd2deef17f900a655613d20820d..53f4633144ed68c8b8fb5861f992b5489894a940:/wp-admin/includes/class-wp-upgrader.php?ds=inline diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php index 76b11fe8..235df514 100644 --- a/wp-admin/includes/class-wp-upgrader.php +++ b/wp-admin/includes/class-wp-upgrader.php @@ -4,73 +4,167 @@ * * This set of classes are designed to be used to upgrade/install a local set of files on the filesystem via the Filesystem Abstraction classes. * - * @link http://trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions + * @link https://core.trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ +require ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php'; + /** * WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file. * - * @TODO More Detailed docs, for methods as well. - * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class WP_Upgrader { - var $strings = array(); - var $skin = null; - var $result = array(); - function WP_Upgrader($skin = null) { - return $this->__construct($skin); - } - function __construct($skin = null) { + /** + * The error/notification strings used to update the user on the progress. + * + * @since 2.8.0 + * @var string $strings + */ + public $strings = array(); + + /** + * The upgrader skin being used. + * + * @since 2.8.0 + * @var WP_Upgrader_Skin $skin + */ + public $skin = null; + + /** + * The result of the installation. + * + * This is set by {@see WP_Upgrader::install_package()}, only when the package is installed + * successfully. It will then be an array, unless a {@see WP_Error} is returned by the + * {@see 'upgrader_post_install'} filter. In that case, the `WP_Error` will be assigned to + * it. + * + * @since 2.8.0 + * @var WP_Error|array $result { + * @type string $source The full path to the source the files were installed from. + * @type string $source_files List of all the files in the source directory. + * @type string $destination The full path to the install destination folder. + * @type string $destination_name The name of the destination folder, or empty if `$destination` + * and `$local_destination` are the same. + * @type string $local_destination The full local path to the destination folder. This is usually + * the same as `$destination`. + * @type string $remote_destination The full remote path to the destination folder + * (i.e., from `$wp_filesystem`). + * @type bool $clear_destination Whether the destination folder was cleared. + * } + */ + public $result = array(); + + /** + * The total number of updates being performed. + * + * Set by the bulk update methods. + * + * @since 3.0.0 + * @var int $update_count + */ + public $update_count = 0; + + /** + * The current update if multiple updates are being performed. + * + * Used by the bulk update methods, and incremented for each update. + * + * @since 3.0.0 + * @var int + */ + public $update_current = 0; + + /** + * Construct the upgrader with a skin. + * + * @since 2.8.0 + * + * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a {@see WP_Upgrader_Skin} + * instance. + */ + public function __construct( $skin = null ) { if ( null == $skin ) $this->skin = new WP_Upgrader_Skin(); else $this->skin = $skin; } - function init() { + /** + * Initialize the upgrader. + * + * This will set the relationship between the skin being used and this upgrader, + * and also add the generic strings to `WP_Upgrader::$strings`. + * + * @since 2.8.0 + */ + public function init() { $this->skin->set_upgrader($this); $this->generic_strings(); } - function generic_strings() { + /** + * Add the generic strings to WP_Upgrader::$strings. + * + * @since 2.8.0 + */ + 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_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['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['bad_package'] = __('Incompatible Archive'); + $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.'); + $this->strings['maintenance_start'] = __('Enabling Maintenance mode…'); + $this->strings['maintenance_end'] = __('Disabling Maintenance mode…'); } - function fs_connect( $directories = array() ) { + /** + * Connect to the filesystem. + * + * @since 2.8.0 + * + * @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()) ) + if ( false === ( $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership ) ) ) { return false; + } - if ( ! WP_Filesystem($credentials) ) { + 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; - $this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again + // Failed to connect, Error and request again + $this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership ); return false; } @@ -81,25 +175,56 @@ class WP_Upgrader { return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors); foreach ( (array)$directories as $dir ) { - if ( ABSPATH == $dir && ! $wp_filesystem->abspath() ) - return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']); - - elseif ( WP_CONTENT_DIR == $dir && ! $wp_filesystem->wp_content_dir() ) - return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']); - - elseif ( WP_PLUGIN_DIR == $dir && ! $wp_filesystem->wp_plugins_dir() ) - return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']); - - elseif ( WP_CONTENT_DIR . '/themes' == $dir && ! $wp_filesystem->find_folder(WP_CONTENT_DIR . '/themes') ) - return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); - - elseif ( ! $wp_filesystem->find_folder($dir) ) - return new WP_Error('fs_no_folder', sprintf($strings['fs_no_folder'], $dir)); + switch ( $dir ) { + case ABSPATH: + if ( ! $wp_filesystem->abspath() ) + return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']); + break; + case WP_CONTENT_DIR: + if ( ! $wp_filesystem->wp_content_dir() ) + return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']); + break; + case WP_PLUGIN_DIR: + if ( ! $wp_filesystem->wp_plugins_dir() ) + return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']); + break; + case get_theme_root(): + if ( ! $wp_filesystem->wp_themes_dir() ) + return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); + break; + default: + if ( ! $wp_filesystem->find_folder($dir) ) + return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) ); + break; + } } return true; } //end fs_connect(); - function download_package($package) { + /** + * Download a package. + * + * @since 2.8.0 + * + * @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 + * + * @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.. @@ -117,7 +242,19 @@ class WP_Upgrader { return $download_file; } - function unpack_package($package, $delete_package = true) { + /** + * Unpack a compressed package file. + * + * @since 2.8.0 + * + * @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'); @@ -131,15 +268,15 @@ class WP_Upgrader { $wp_filesystem->delete($upgrade_folder . $file['name'], true); } - //We need a working directory - $working_dir = $upgrade_folder . basename($package, '.zip'); + // 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); //TODO optimizations, Copy when Move/Rename would suffice? + $result = unzip_file( $package, $working_dir ); // Once extracted, delete the package if required. if ( $delete_package ) @@ -147,105 +284,267 @@ class WP_Upgrader { if ( is_wp_error($result) ) { $wp_filesystem->delete($working_dir, true); + if ( 'incompatible_archive' == $result->get_error_code() ) { + return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() ); + } return $result; } return $working_dir; } - function install_package($args = array()) { + /** + * Clears the directory where this item is going to be installed into. + * + * @since 4.3.0 + * + * @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; - $defaults = array( 'source' => '', 'destination' => '', //Please always pass these - 'clear_destination' => false, 'clear_working' => false, - 'hook_extra' => array()); - $args = wp_parse_args($args, $defaults); - extract($args); + if ( ! $wp_filesystem->exists( $remote_destination ) ) { + return true; + } - @set_time_limit( 300 ); + // Check all files are writable before attempting to clear the destination. + $unwritable_files = array(); - if ( empty($source) || empty($destination) ) - return new WP_Error('bad_request', $this->strings['bad_request']); + $_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 + * + * @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']; - $this->skin->feedback('installing_package'); + @set_time_limit( 300 ); - $res = apply_filters('upgrader_pre_install', true, $hook_extra); - if ( is_wp_error($res) ) + 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 = $source; + $remote_source = $args['source']; $local_destination = $destination; - $source_files = array_keys( $wp_filesystem->dirlist($remote_source) ); - $remote_destination = $wp_filesystem->find_folder($local_destination); + $source_files = array_keys( $wp_filesystem->dirlist( $remote_source ) ); + $remote_destination = $wp_filesystem->find_folder( $local_destination ); //Locate which directory to copy to the new folder, This is based on the actual folder holding the files. - if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents. - $source = trailingslashit($source) . trailingslashit($source_files[0]); - elseif ( count($source_files) == 0 ) - return new WP_Error('bad_package', $this->strings['bad_package']); //There are no files? - //else //Its only a single file, The upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. - - //Hook ability to change the source file location.. - $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this); - if ( is_wp_error($source) ) - return $source; + 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'] ); + } - //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) ); + /** + * 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; + } - //Protection against deleting files in any important base directories. - if ( in_array( $destination, array(ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes') ) ) { - $remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source)); - $destination = trailingslashit($destination) . trailingslashit(basename($source)); + // 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 we're not clearing the destination folder, and something exists there allready, Bail. - if ( ! $clear_destination && $wp_filesystem->exists($remote_destination) ) { - $wp_filesystem->delete($remote_source, true); //Clear out the source files. - return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination ); - } else if ( $clear_destination ) { - //We're going to clear the destination if theres something there + if ( $clear_destination ) { + // We're going to clear the destination if there's something there $this->skin->feedback('remove_old'); - $removed = true; - if ( $wp_filesystem->exists($remote_destination) ) - $removed = $wp_filesystem->delete($remote_destination, true); - - $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra); - - if ( is_wp_error($removed) ) + $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; - else if ( ! $removed ) - return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); + } + } 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', $this->strings['mkdir_failed'], $remote_destination); - + if ( ! $wp_filesystem->exists( $remote_destination ) ) { + if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) { + return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination ); + } + } // Copy new version of item into place. $result = copy_dir($source, $remote_destination); if ( is_wp_error($result) ) { - if ( $clear_working ) - $wp_filesystem->delete($remote_source, true); + if ( $args['clear_working'] ) { + $wp_filesystem->delete( $remote_source, true ); + } return $result; } //Clear the Working folder? - if ( $clear_working ) - $wp_filesystem->delete($remote_source, true); + if ( $args['clear_working'] ) { + $wp_filesystem->delete( $remote_source, true ); + } $destination_name = basename( str_replace($local_destination, '', $destination) ); - if ( '.' == $destination_name ) + if ( '.' == $destination_name ) { $destination_name = ''; + } - $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); + $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 ); - $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); if ( is_wp_error($res) ) { $this->result = $res; return $res; @@ -255,67 +554,165 @@ class WP_Upgrader { return $this->result; } - function run($options) { - - $defaults = array( 'package' => '', //Please always pass this. - 'destination' => '', //And this - 'clear_destination' => false, - 'clear_working' => true, - 'hook_extra' => array() //Pass any extra $hook_extra args here, this will be passed to any hooked filters. - ); + /** + * 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 + * + * @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, $defaults); - extract($options); + $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, $destination) ); - if ( ! $res ) //Mainly for non-connected filesystem. + // 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; } - $this->skin->header(); - $this->skin->before(); - //Download the package (Note, This just returns the filename of the file if the package is a local file) - $download = $this->download_package( $package ); + $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; } - //Unzip's the file into a temporary directory - $working_dir = $this->unpack_package( $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' => $destination, - 'clear_destination' => $clear_destination, - 'clear_working' => $clear_working, - 'hook_extra' => $hook_extra - ) ); + '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 Suceeded + //Install Succeeded $this->skin->feedback('process_success'); } + $this->skin->after(); - $this->skin->footer(); + + 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 $result; } - function maintenance_mode($enable = false) { + /** + * Toggle maintenance mode for the site. + * + * Creates/deletes the maintenance file to enable/disable maintenance mode. + * + * @since 2.8.0 + * + * @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 ) { @@ -324,7 +721,7 @@ class WP_Upgrader { $maintenance_string = ''; $wp_filesystem->delete($file); $wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE); - } else if ( !$enable && $wp_filesystem->exists($file) ) { + } elseif ( ! $enable && $wp_filesystem->exists( $file ) ) { $this->skin->feedback('maintenance_end'); $wp_filesystem->delete($file); } @@ -335,62 +732,139 @@ class WP_Upgrader { /** * Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file. * - * @TODO More Detailed docs, for methods as well. - * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Plugin_Upgrader extends WP_Upgrader { - var $result; - - function upgrade_strings() { + /** + * Plugin upgrade result. + * + * @since 2.8.0 + * @var array|WP_Error $result + * @see WP_Upgrader::$result + */ + public $result; + + /** + * Whether a bulk upgrade/install is being performed. + * + * @since 2.9.0 + * @var bool $bulk + */ + public $bulk = false; + + /** + * Initialize the upgrade strings. + * + * @since 2.8.0 + */ + public function upgrade_strings() { $this->strings['up_to_date'] = __('The plugin is at the latest version.'); - $this->strings['no_package'] = __('Upgrade package not available.'); - $this->strings['downloading_package'] = __('Downloading update from %s.'); - $this->strings['unpack_package'] = __('Unpacking the update.'); - $this->strings['deactivate_plugin'] = __('Deactivating the plugin.'); - $this->strings['remove_old'] = __('Removing the old version of the plugin.'); + $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 upgrade Failed.'); - $this->strings['process_success'] = __('Plugin upgraded successfully.'); + $this->strings['process_failed'] = __('Plugin update failed.'); + $this->strings['process_success'] = __('Plugin updated successfully.'); + $this->strings['process_bulk_success'] = __('Plugins updated successfully.'); } - function install_strings() { + /** + * Initialize the install strings. + * + * @since 2.8.0 + */ + 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['process_failed'] = __('Plugin Install Failed.'); - $this->strings['process_success'] = __('Plugin Installed successfully.'); + $this->strings['downloading_package'] = __('Downloading install package from %s…'); + $this->strings['unpack_package'] = __('Unpacking the package…'); + $this->strings['installing_package'] = __('Installing the plugin…'); + $this->strings['no_files'] = __('The plugin contains no files.'); + $this->strings['process_failed'] = __('Plugin install failed.'); + $this->strings['process_success'] = __('Plugin installed successfully.'); } - function install($package) { + /** + * Install a plugin package. + * + * @since 2.8.0 + * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. + * + * @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(); - $this->run(array( - 'package' => $package, - 'destination' => WP_PLUGIN_DIR, - 'clear_destination' => false, //Do not overwrite files. - 'clear_working' => true, - 'hook_extra' => array() - )); + add_filter('upgrader_source_selection', array($this, 'check_package') ); + + $this->run( array( + 'package' => $package, + 'destination' => WP_PLUGIN_DIR, + 'clear_destination' => false, // Do not overwrite files. + 'clear_working' => true, + 'hook_extra' => array( + 'type' => 'plugin', + 'action' => 'install', + ) + ) ); + + remove_filter('upgrader_source_selection', array($this, 'check_package') ); + + if ( ! $this->result || is_wp_error($this->result) ) + return $this->result; // Force refresh of plugin update information - delete_transient('update_plugins'); + wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); + return true; } - function upgrade($plugin) { + /** + * Upgrade a plugin. + * + * @since 2.8.0 + * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. + * + * @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_transient( 'update_plugins' ); + $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(); @@ -400,33 +874,217 @@ class Plugin_Upgrader extends WP_Upgrader { // Get the URL to the zip file $r = $current->response[ $plugin ]; - add_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade'), 10, 2); - add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4); - //'source_selection' => array(&$this, 'source_selection'), //theres a track ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins. - - $this->run(array( - 'package' => $r->package, - 'destination' => WP_PLUGIN_DIR, - 'clear_destination' => true, - 'clear_working' => true, - 'hook_extra' => array( - 'plugin' => $plugin - ) - )); - - //Cleanup our hooks, incase something else does a upgrade on this connection. - remove_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade')); - remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin')); + add_filter('upgrader_pre_install', array($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 - delete_transient('update_plugins'); + 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. + * + * @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 + * + * @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 $source; } - //return plugin info. - function plugin_info() { + /** + * Retrieve the path to the file that contains the plugin info. + * + * This isn't used internally in the class, but is called by the skins. + * + * @since 2.8.0 + * + * @return string|false The full path to the main plugin file, or false. + */ + public function plugin_info() { if ( ! is_array($this->result) ) return false; if ( empty($this->result['destination_name']) ) @@ -441,25 +1099,56 @@ class Plugin_Upgrader extends WP_Upgrader { return $this->result['destination_name'] . '/' . $pluginfiles[0]; } - //Hooked to pre_install - function deactivate_plugin_before_upgrade($return, $plugin) { + /** + * 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. + * + * @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) ) { - $this->skin->feedback('deactivate_plugin'); //Deactivate the plugin silently, Prevent deactivation hooks from running. deactivate_plugins($plugin, true); } + + return $return; } - //Hooked to upgrade_clear_destination - function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) { + /** + * 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 + * + * @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) ) @@ -472,11 +1161,11 @@ class Plugin_Upgrader extends WP_Upgrader { $plugins_dir = $wp_filesystem->wp_plugins_dir(); $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) ); - if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If its already vanished. + 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 != $plugins_dir ) //base check on if plugin includes directory seperator AND that its not the root plugin folder + if ( strpos($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); @@ -484,112 +1173,453 @@ class Plugin_Upgrader extends WP_Upgrader { if ( ! $deleted ) return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); - return $removed; + return true; } } /** * Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file. * - * @TODO More Detailed docs, for methods as well. - * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ class Theme_Upgrader extends WP_Upgrader { - var $result; - - function upgrade_strings() { + /** + * Result of the theme upgrade offer. + * + * @since 2.8.0 + * @var array|WP_Erorr $result + * @see WP_Upgrader::$result + */ + public $result; + + /** + * Whether multiple plugins are being upgraded/installed in bulk. + * + * @since 2.9.0 + * @var bool $bulk + */ + public $bulk = false; + + /** + * Initialize the upgrade strings. + * + * @since 2.8.0 + */ + public function upgrade_strings() { $this->strings['up_to_date'] = __('The theme is at the latest version.'); - $this->strings['no_package'] = __('Upgrade 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['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 upgrade Failed.'); - $this->strings['process_success'] = __('Theme upgraded successfully.'); + $this->strings['process_failed'] = __('Theme update failed.'); + $this->strings['process_success'] = __('Theme updated successfully.'); } - function install_strings() { + /** + * Initialize the install strings. + * + * @since 2.8.0 + */ + 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['process_failed'] = __('Theme Install Failed.'); - $this->strings['process_success'] = __('Theme Installed successfully.'); + $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 + * + * @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 $install_result; } - function install($package) { + /** + * 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 + * + * @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. + * + * @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(); - $options = array( - 'package' => $package, - 'destination' => WP_CONTENT_DIR . '/themes', - 'clear_destination' => false, //Do not overwrite files. - 'clear_working' => true - ); + add_filter('upgrader_source_selection', array($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', + ), + ) ); - $this->run($options); + remove_filter('upgrader_source_selection', array($this, 'check_package') ); + remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; - // Force refresh of theme update information - delete_transient('update_themes'); + // Refresh the Theme Update information + wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); - if ( empty($result['destination_name']) ) - return false; - else - return $result['destination_name']; + return true; } - function upgrade($theme) { + /** + * Upgrade a theme. + * + * @since 2.8.0 + * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional. + * + * @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_transient( 'update_themes' ); + $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->error( 'up_to_date' ); $this->skin->after(); return false; } - - $r = $current->response[ $theme ]; - add_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2); - add_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2); - add_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4); - - $options = array( - 'package' => $r['package'], - 'destination' => WP_CONTENT_DIR . '/themes', - 'clear_destination' => true, - 'clear_working' => true, - 'hook_extra' => array( - 'theme' => $theme - ) - ); + $r = $current->response[ $theme ]; - $this->run($options); + add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); + add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); + add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); + + $this->run( array( + 'package' => $r['package'], + 'destination' => get_theme_root( $theme ), + 'clear_destination' => true, + 'clear_working' => true, + 'hook_extra' => array( + 'theme' => $theme, + 'type' => 'theme', + 'action' => 'update', + ), + ) ); + + remove_filter('upgrader_pre_install', array($this, 'current_before')); + remove_filter('upgrader_post_install', array($this, 'current_after')); + remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); if ( ! $this->result || is_wp_error($this->result) ) return $this->result; - // Force refresh of theme update information - delete_transient('update_themes'); + wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); return true; } - function current_before($return, $theme) { + /** + * Upgrade several themes at once. + * + * @since 3.0.0 + * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional. + * + * @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 + * + * @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 + * + * @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; @@ -597,463 +1627,1776 @@ class Theme_Upgrader extends WP_Upgrader { if ( $theme != get_stylesheet() ) //If not current return $return; - //Change to maintainence mode now. - $this->maintenance_mode(true); + //Change to maintenance mode now. + if ( ! $this->bulk ) + $this->maintenance_mode(true); return $return; } - function current_after($return, $theme) { + + /** + * 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 + * + * @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 + if ( $theme != get_stylesheet() ) // If not current return $return; - //Ensure stylesheet name hasnt changed after the upgrade: + // Ensure stylesheet name hasn't changed after the upgrade: if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) { - $theme_info = $this->theme_info(); + wp_clean_themes_cache(); $stylesheet = $this->result['destination_name']; - $template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet; - switch_theme($template, $stylesheet, true); + switch_theme( $stylesheet ); } - //Time to remove maintainence mode - $this->maintenance_mode(false); + //Time to remove maintenance mode + if ( ! $this->bulk ) + $this->maintenance_mode(false); return $return; } - function delete_old_theme($removed, $local_destination, $remote_destination, $theme) { + /** + * 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 + * + * @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; - $theme = isset($theme['theme']) ? $theme['theme'] : ''; + if ( is_wp_error( $removed ) ) + return $removed; // Pass errors through. - if ( is_wp_error($removed) || empty($theme) ) - return $removed; //Pass errors through. + if ( ! isset( $theme['theme'] ) ) + return $removed; - $themes_dir = $wp_filesystem->wp_themes_dir(); - if ( $wp_filesystem->exists( trailingslashit($themes_dir) . $theme ) ) - if ( ! $wp_filesystem->delete( trailingslashit($themes_dir) . $theme, true ) ) + $theme = $theme['theme']; + $themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) ); + if ( $wp_filesystem->exists( $themes_dir . $theme ) ) { + if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) return false; + } + return true; } - function theme_info() { - if ( empty($this->result['destination_name']) ) - return false; - return get_theme_data(WP_CONTENT_DIR . '/themes/' . $this->result['destination_name'] . '/style.css'); + /** + * Get the WP_Theme object for a theme. + * + * @since 2.8.0 + * @since 3.0.0 The `$theme` argument was added. + * + * @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 Upgrader class for WordPress. It allows for WordPress to upgrade itself in combiantion with the wp-admin/includes/update-core.php file - * - * @TODO More Detailed docs, for methods as well. + * Language pack upgrader, for updating translations of plugins, themes, and core. * * @package WordPress * @subpackage Upgrader - * @since 2.8.0 + * @since 3.7.0 */ -class Core_Upgrader extends WP_Upgrader { +class Language_Pack_Upgrader extends WP_Upgrader { + + /** + * Result of the language pack upgrade. + * + * @since 3.7.0 + * @var array|WP_Error $result + * @see WP_Upgrader::$result + */ + public $result; + + /** + * Whether a bulk upgrade/install is being performed. + * + * @since 3.7.0 + * @var bool $bulk + */ + public $bulk = true; + + /** + * Asynchronously upgrade language packs after other upgrades have been made. + * + * Hooked to the {@see 'upgrader_process_complete'} action by default. + * + * @since 3.7.0 + * + * @static + * + * @param false|WP_Upgrader $upgrader + */ + public static function async_upgrade( $upgrader = false ) { + // Avoid recursion. + if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) { + return; + } - function upgrade_strings() { - $this->strings['up_to_date'] = __('WordPress is at the latest version.'); - $this->strings['no_package'] = __('Upgrade 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.'); - } + // Nothing to do? + $language_updates = wp_get_translation_updates(); + if ( ! $language_updates ) { + return; + } - function upgrade($current) { - global $wp_filesystem; + // 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; + } - $this->init(); - $this->upgrade_strings(); + 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[ $key ] ); + } + } - if ( !empty($feedback) ) - add_filter('update_feedback', $feedback); + if ( empty( $language_updates ) ) { + return; + } - // Is an update available? - if ( !isset( $current->response ) || $current->response == 'latest' ) - return new WP_Error('up_to_date', $this->strings['up_to_date']); + $skin = new Language_Pack_Upgrader_Skin( array( + 'skip_header_footer' => true, + ) ); - $res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) ); - if ( is_wp_error($res) ) - return $res; + $lp_upgrader = new Language_Pack_Upgrader( $skin ); + $lp_upgrader->bulk_upgrade( $language_updates ); + } - $wp_dir = trailingslashit($wp_filesystem->abspath()); + /** + * Initialize the upgrade strings. + * + * @since 3.7.0 + */ + 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.' ); + } - $download = $this->download_package( $current->package ); - if ( is_wp_error($download) ) - return $download; + /** + * Upgrade a language pack. + * + * @since 3.7.0 + * + * @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 ); + } - $working_dir = $this->unpack_package( $download ); - if ( is_wp_error($working_dir) ) - return $working_dir; + $results = $this->bulk_upgrade( $update, $args ); - // Copy update-core.php from the new version into place. - if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) { - $wp_filesystem->delete($working_dir, true); - return new WP_Error('copy_failed', $this->strings['copy_failed']); + if ( ! is_array( $results ) ) { + return $results; + } + + return $results[0]; + } + + /** + * Bulk upgrade language packs. + * + * @since 3.7.0 + * + * @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(); } - $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE); - require(ABSPATH . 'wp-admin/includes/update-core.php'); + 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 + * + * @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 $source; - return update_core($working_dir, $wp_dir); + // 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 + * + * @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 ''; } } /** - * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes. - * - * @TODO More Detailed docs, for methods as well. + * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ -class WP_Upgrader_Skin { - - var $upgrader; - var $done_header = false; +class Core_Upgrader extends WP_Upgrader { - function WP_Upgrader_Skin($args = array()) { - return $this->__construct($args); - } - function __construct($args = array()) { - $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false ); - $this->options = wp_parse_args($args, $defaults); + /** + * Initialize the upgrade strings. + * + * @since 2.8.0 + */ + 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.' ); + $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' ); } - function set_upgrader(&$upgrader) { - if ( is_object($upgrader) ) - $this->upgrader =& $upgrader; - } - function set_result($result) { - $this->result = $result; - } + /** + * Upgrade WordPress core. + * + * @since 2.8.0 + * + * @global WP_Filesystem_Base $wp_filesystem Subclass + * @global callback $_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 $wp_filesystem; - function request_filesystem_credentials($error = false) { - $url = $this->options['url']; - $context = $this->options['context']; - if ( !empty($this->options['nonce']) ) - $url = wp_nonce_url($url, $this->options['nonce']); - return request_filesystem_credentials($url, '', $error, $context); //Possible to bring inline, Leaving as is for now. - } + include( ABSPATH . WPINC . '/version.php' ); // $wp_version; - function header() { - if ( $this->done_header ) - return; - $this->done_header = true; - echo '
'; - echo screen_icon(); - echo '

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

'; - } - function footer() { - echo '
'; - } + $start_time = time(); - function error($errors) { - if ( ! $this->done_header ) - $this->header(); - if ( is_string($errors) ) { - $this->feedback($errors); - } elseif ( is_wp_error($errors) && $errors->get_error_code() ) { - foreach ( $errors->get_error_messages() as $message ) { - if ( $errors->get_error_data() ) - $this->feedback($message . ' ' . $errors->get_error_data() ); - else - $this->feedback($message); + $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 $result; } - function feedback($string) { - if ( isset( $this->upgrader->strings[$string] ) ) - $string = $this->upgrader->strings[$string]; + /** + * Determines if this WordPress Core version should update to an offered version or not. + * + * @since 3.7.0 + * + * @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 == $failure_data['attempted'] ) + return false; + } - if ( strpos($string, '%') !== false ) { - $args = func_get_args(); - $args = array_splice($args, 1); - if ( !empty($args) ) - $string = vsprintf($string, $args); + // 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', $upgrade_dev ) ) + return false; + // Else fall through to minor + major branches below. } - if ( empty($string) ) - return; - show_message($string); + + // 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; } - function before() {} - function after() {} + /** + * Compare the disk file checksums agains the expected checksums. + * + * @since 3.7.0 + * + * @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; + } } /** - * Plugin Upgrader Skin for WordPress Plugin Upgrades. - * - * @TODO More Detailed docs, for methods as well. + * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if it's a local file to the Upgrade/Installer functions. * * @package WordPress * @subpackage Upgrader * @since 2.8.0 */ -class Plugin_Upgrader_Skin extends WP_Upgrader_Skin { - var $plugin = ''; - var $plugin_active = false; +class File_Upload_Upgrader { - function Plugin_Upgrader_Skin($args = array()) { - return $this->__construct($args); - } + /** + * The full path to the file package. + * + * @since 2.8.0 + * @var string $package + */ + public $package; + + /** + * The name of the file. + * + * @since 2.8.0 + * @var string $filename + */ + public $filename; + + /** + * The ID of the attachment post for this file. + * + * @since 3.3.0 + * @var int $id + */ + public $id = 0; + + /** + * Construct the upgrader for a form. + * + * @since 2.8.0 + * + * @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, $urlholder ) { - function __construct($args = array()) { - $defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Upgrade Plugin') ); - $args = wp_parse_args($args, $defaults); + if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) + wp_die(__('Please select a file')); - $this->plugin = $args['plugin']; + //Handle a newly uploaded file, Else assume it's already been uploaded + if ( ! empty($_FILES) ) { + $overrides = array( 'test_form' => false, 'test_type' => false ); + $file = wp_handle_upload( $_FILES[$form], $overrides ); - $this->plugin_active = is_plugin_active($this->plugin); + if ( isset( $file['error'] ) ) + wp_die( $file['error'] ); - parent::__construct($args); - } + $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')); - function after() { - $this->plugin = $this->upgrader->plugin_info(); - if( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){ - show_message(__('Attempting reactivation of the plugin')); - echo ''; + $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; } - $update_actions = array( - 'activate_plugin' => '' . __('Activate Plugin') . '', - 'plugins_page' => '' . __('Return to Plugins page') . '' - ); - if ( $this->plugin_active ) - unset( $update_actions['activate_plugin'] ); - if ( ! $this->result || is_wp_error($this->result) ) - unset( $update_actions['activate_plugin'] ); + } + + /** + * Delete the attachment/uploaded file. + * + * @since 3.2.2 + * + * @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 ); - $update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $this->plugin); - if ( ! empty($update_actions) ) - $this->feedback('' . __('Actions:') . ' ' . implode(' | ', (array)$update_actions)); + return true; } } /** - * Plugin Installer Skin for WordPress Plugin Installer. - * - * @TODO More Detailed docs, for methods as well. + * The WordPress automatic background updater. * * @package WordPress * @subpackage Upgrader - * @since 2.8.0 + * @since 3.7.0 */ -class Plugin_Installer_Skin extends WP_Upgrader_Skin { - var $api; - var $type; - - function Plugin_Installer_Skin($args = array()) { - return $this->__construct($args); +class WP_Automatic_Updater { + + /** + * Tracks update results during processing. + * + * @var array + */ + protected $update_results = array(); + + /** + * Whether the entire automatic updater is disabled. + * + * @since 3.7.0 + */ + public function is_disabled() { + // Background updates are disabled if you don't want file changes. + if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) + return true; + + if ( defined( 'WP_INSTALLING' ) ) + return true; + + // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters. + $disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED; + + /** + * Filter whether to entirely disable background updates. + * + * There are more fine-grained filters and controls for selective disabling. + * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name. + * + * This also disables update notification emails. That may change in the future. + * + * @since 3.7.0 + * + * @param bool $disabled Whether the updater should be disabled. + */ + return apply_filters( 'automatic_updater_disabled', $disabled ); } - function __construct($args = array()) { - $defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' ); - $args = wp_parse_args($args, $defaults); + /** + * Check for version control checkouts. + * + * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the + * filesystem to the top of the drive, erring on the side of detecting a VCS + * checkout somewhere. + * + * ABSPATH is always checked in addition to whatever $context is (which may be the + * wp-content directory, for example). The underlying assumption is that if you are + * using version control *anywhere*, then you should be making decisions for + * how things get updated. + * + * @since 3.7.0 + * + * @param string $context The filesystem path to check, in addition to ABSPATH. + */ + public function is_vcs_checkout( $context ) { + $context_dirs = array( untrailingslashit( $context ) ); + if ( $context !== ABSPATH ) + $context_dirs[] = untrailingslashit( ABSPATH ); + + $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); + $check_dirs = array(); + + foreach ( $context_dirs as $context_dir ) { + // Walk up from $context_dir to the root. + do { + $check_dirs[] = $context_dir; + + // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here. + if ( $context_dir == dirname( $context_dir ) ) + break; + + // Continue one level at a time. + } while ( $context_dir = dirname( $context_dir ) ); + } - $this->type = $args['type']; - $this->api = isset($args['api']) ? $args['api'] : array(); + $check_dirs = array_unique( $check_dirs ); - parent::__construct($args); - } + // Search all directories we've found for evidence of version control. + foreach ( $vcs_dirs as $vcs_dir ) { + foreach ( $check_dirs as $check_dir ) { + if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) + break 2; + } + } - function before() { - if ( !empty($this->api) ) - $this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin %s %s.'), $this->api->name, $this->api->version); + /** + * 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 ); } - function after() { + /** + * Tests to see if we can and should update a specific item. + * + * @since 3.7.0 + * + * @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; - $plugin_file = $this->upgrader->plugin_info(); + // 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; + } - $install_actions = array( - 'activate_plugin' => '' . __('Activate Plugin') . '', - ); + // 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; + } - if ( $this->type == 'web' ) - $install_actions['plugins_page'] = '' . __('Return to Plugin Installer') . ''; + // Next up, is this an item we can update? + if ( 'core' == $type ) + $update = Core_Upgrader::should_update_to_version( $item->current ); else - $install_actions['plugins_page'] = '' . __('Return to Plugins page') . ''; + $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; - if ( ! $this->result || is_wp_error($this->result) ) - unset( $install_actions['activate_plugin'] ); + $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; + } - $install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file); - if ( ! empty($install_actions) ) - $this->feedback('' . __('Actions:') . ' ' . implode(' | ', (array)$install_actions)); + return true; } -} -/** - * Theme Installer Skin for the WordPress Theme Installer. - * - * @TODO More Detailed docs, for methods as well. - * - * @package WordPress - * @subpackage Upgrader - * @since 2.8.0 - */ -class Theme_Installer_Skin extends WP_Upgrader_Skin { - var $api; - var $type; + /** + * Notifies an administrator of a core update. + * + * @since 3.7.0 + * + * @param object $item The update offer. + */ + protected function send_core_update_notification_email( $item ) { + $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, $item ) ) + return false; - function Theme_Installer_Skin($args = array()) { - return $this->__construct($args); + $this->send_email( 'manual', $item ); + return true; } - function __construct($args = array()) { - $defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' ); - $args = wp_parse_args($args, $defaults); + /** + * Update an item, if appropriate. + * + * @since 3.7.0 + * + * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. + * @param object $item The update offer. + * + * @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; + } - $this->type = $args['type']; - $this->api = isset($args['api']) ? $args['api'] : array(); + // Determine whether we can and should perform this update. + if ( ! $this->should_update( $type, $item, $context ) ) + return false; - parent::__construct($args); - } + $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, $item->language ) ); + break; + } - function before() { - if ( !empty($this->api) ) { - /* translators: 1: theme name, 2: version */ - $this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the theme %1$s %2$s.'), $this->api->name, $this->api->version); + $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 $upgrade_result; } - function after() { - if ( empty($this->upgrader->result['destination_name']) ) + /** + * Kicks off the background update process, looping through all pending updates. + * + * @since 3.7.0 + * + * @global wpdb $wpdb + * @global string $wp_version + */ + public function run() { + global $wpdb, $wp_version; + + if ( $this->is_disabled() ) return; - $theme_info = $this->upgrader->theme_info(); - if ( empty($theme_info) ) + if ( ! is_main_network() || ! is_main_site() ) return; - $name = $theme_info['Name']; - $stylesheet = $this->upgrader->result['destination_name']; - $template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet; - $preview_link = htmlspecialchars( add_query_arg( array('preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'TB_iframe' => 'true' ), trailingslashit(esc_url(get_option('home'))) ) ); - $activate_link = wp_nonce_url("themes.php?action=activate&template=" . urlencode($template) . "&stylesheet=" . urlencode($stylesheet), 'switch-theme_' . $template); + $lock_name = 'auto_updater.lock'; - $install_actions = array( - 'preview' => '' . __('Preview') . '', - 'activate' => '' . __('Activate') . '' - ); + // 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 ( $this->type == 'web' ) - $install_actions['themes_page'] = '' . __('Return to Theme Installer') . ''; - else - $install_actions['themes_page'] = '' . __('Return to Themes page') . ''; + if ( ! $lock_result ) { + $lock_result = get_option( $lock_name ); - if ( ! $this->result || is_wp_error($this->result) ) - unset( $install_actions['activate'], $install_actions['preview'] ); + // If we couldn't create a lock, and there isn't a lock, bail + if ( ! $lock_result ) + return; - $install_actions = apply_filters('install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info); - if ( ! empty($install_actions) ) - $this->feedback('' . __('Actions:') . ' ' . implode(' | ', (array)$install_actions)); - } -} + // Check to see if the lock is still valid + if ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) + return; + } -/** - * Theme Upgrader Skin for WordPress Theme Upgrades. - * - * @TODO More Detailed docs, for methods as well. - * - * @package WordPress - * @subpackage Upgrader - * @since 2.8.0 - */ -class Theme_Upgrader_Skin extends WP_Upgrader_Skin { - var $theme = ''; + // 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', $plugin ); + } + // Force refresh of plugin update information + wp_clean_plugins_cache(); + } - function Theme_Upgrader_Skin($args = array()) { - return $this->__construct($args); - } + // 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) $theme ); + } + // Force refresh of theme update information + wp_clean_themes_cache(); + } - function __construct($args = array()) { - $defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Upgrade Theme') ); - $args = wp_parse_args($args, $defaults); + // 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 + } - $this->theme = $args['theme']; + // 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', $this->update_results ); + } - parent::__construct($args); + // Clear the lock + delete_option( $lock_name ); } - function after() { - - if ( !empty($this->upgrader->result['destination_name']) && - ($theme_info = $this->upgrader->theme_info()) && - !empty($theme_info) ) { - - $name = $theme_info['Name']; - $stylesheet = $this->upgrader->result['destination_name']; - $template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet; - - $preview_link = htmlspecialchars( add_query_arg( array('preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'TB_iframe' => 'true' ), trailingslashit(esc_url(get_option('home'))) ) ); - $activate_link = wp_nonce_url("themes.php?action=activate&template=" . urlencode($template) . "&stylesheet=" . urlencode($stylesheet), 'switch-theme_' . $template); - - $update_actions = array( - 'preview' => '' . __('Preview') . '', - 'activate' => '' . __('Activate') . '', - ); - if ( ( ! $this->result || is_wp_error($this->result) ) || $stylesheet == get_stylesheet() ) - unset($update_actions['preview'], $update_actions['activate']); + /** + * If we tried to perform a core update, check if we should send an email, + * and if we need to avoid processing future updates. + * + * @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; } - $update_actions['themes_page'] = '' . __('Return to Themes page') . ''; + $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; + } - $update_actions = apply_filters('update_theme_complete_actions', $update_actions, $this->theme); - if ( ! empty($update_actions) ) - $this->feedback('' . __('Actions:') . ' ' . implode(' | ', (array)$update_actions)); + 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 ); } -} -/** - * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if its a local file to the Upgrade/Installer functions. - * - * @TODO More Detailed docs, for methods as well. - * - * @package WordPress - * @subpackage Upgrader - * @since 2.8.0 - */ -class File_Upload_Upgrader { - var $package; - var $filename; + /** + * Sends an email upon the completion or failure of a background core update. + * + * @since 3.7.0 + * + * @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:' ); + $body .= "\n" . network_admin_url( 'update-core.php' ); + break; - function File_Upload_Upgrader($form, $urlholder) { - return $this->__construct($form, $urlholder); + 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'], $email['headers'] ); } - function __construct($form, $urlholder) { - if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) - wp_die($uploads['error']); - if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) - wp_die(__('Please select a file')); + /** + * Prepares and sends an email of a full log of background update results, useful for debugging and geekery. + * + * @since 3.7.0 + */ + protected function send_debug_email() { + $update_count = 0; + foreach ( $this->update_results as $type => $updates ) + $update_count += count( $updates ); + + $body = array(); + $failures = 0; + + $body[] = 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++; + } + $body[] = ''; + } - if ( !empty($_FILES) ) - $this->filename = $_FILES[$form]['name']; - else if ( isset($_GET[$urlholder]) ) - $this->filename = $_GET[$urlholder]; + // Plugins, Themes, Translations + foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) { + if ( ! isset( $this->update_results[ $type ] ) ) + continue; + $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) ); + if ( $success_items ) { + $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++; + } + } + } + $body[] = ''; + } - //Handle a newly uploaded file, Else assume its already been uploaded - if ( !empty($_FILES) ) { - $this->filename = wp_unique_filename( $uploads['basedir'], $this->filename ); - $this->package = $uploads['basedir'] . '/' . $this->filename; + $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. - // Move the file to the uploads dir - if ( false === @ move_uploaded_file( $_FILES[$form]['tmp_name'], $this->package) ) - wp_die( sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'])); +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 { - $this->package = $uploads['basedir'] . '/' . $this->filename; + $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'] ); } }