3 * A File upgrader class for WordPress.
5 * 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.
7 * @link http://trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions
10 * @subpackage Upgrader
14 require ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php';
17 * WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file.
20 * @subpackage Upgrader
24 var $strings = array();
26 var $result = array();
28 function __construct($skin = null) {
30 $this->skin = new WP_Upgrader_Skin();
36 $this->skin->set_upgrader($this);
37 $this->generic_strings();
40 function generic_strings() {
41 $this->strings['bad_request'] = __('Invalid Data provided.');
42 $this->strings['fs_unavailable'] = __('Could not access filesystem.');
43 $this->strings['fs_error'] = __('Filesystem error.');
44 $this->strings['fs_no_root_dir'] = __('Unable to locate WordPress Root directory.');
45 $this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).');
46 $this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress Plugin directory.');
47 $this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress Theme directory.');
48 /* translators: %s: directory name */
49 $this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).');
51 $this->strings['download_failed'] = __('Download failed.');
52 $this->strings['installing_package'] = __('Installing the latest version…');
53 $this->strings['no_files'] = __('The package contains no files.');
54 $this->strings['folder_exists'] = __('Destination folder already exists.');
55 $this->strings['mkdir_failed'] = __('Could not create directory.');
56 $this->strings['incompatible_archive'] = __('The package could not be installed.');
58 $this->strings['maintenance_start'] = __('Enabling Maintenance mode…');
59 $this->strings['maintenance_end'] = __('Disabling Maintenance mode…');
62 function fs_connect( $directories = array() ) {
63 global $wp_filesystem;
65 if ( false === ($credentials = $this->skin->request_filesystem_credentials()) )
68 if ( ! WP_Filesystem($credentials) ) {
70 if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
71 $error = $wp_filesystem->errors;
72 $this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again
76 if ( ! is_object($wp_filesystem) )
77 return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] );
79 if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
80 return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors);
82 foreach ( (array)$directories as $dir ) {
85 if ( ! $wp_filesystem->abspath() )
86 return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']);
89 if ( ! $wp_filesystem->wp_content_dir() )
90 return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']);
93 if ( ! $wp_filesystem->wp_plugins_dir() )
94 return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']);
96 case get_theme_root():
97 if ( ! $wp_filesystem->wp_themes_dir() )
98 return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']);
101 if ( ! $wp_filesystem->find_folder($dir) )
102 return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
107 } //end fs_connect();
109 function download_package($package) {
112 * Filter whether to return the package.
116 * @param bool $reply Whether to bail without returning the package. Default is false.
117 * @param string $package The package file name.
118 * @param object $this The WP_Upgrader instance.
120 $reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
121 if ( false !== $reply )
124 if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
125 return $package; //must be a local file..
127 if ( empty($package) )
128 return new WP_Error('no_package', $this->strings['no_package']);
130 $this->skin->feedback('downloading_package', $package);
132 $download_file = download_url($package);
134 if ( is_wp_error($download_file) )
135 return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message());
137 return $download_file;
140 function unpack_package($package, $delete_package = true) {
141 global $wp_filesystem;
143 $this->skin->feedback('unpack_package');
145 $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
147 //Clean up contents of upgrade directory beforehand.
148 $upgrade_files = $wp_filesystem->dirlist($upgrade_folder);
149 if ( !empty($upgrade_files) ) {
150 foreach ( $upgrade_files as $file )
151 $wp_filesystem->delete($upgrade_folder . $file['name'], true);
154 //We need a working directory
155 $working_dir = $upgrade_folder . basename($package, '.zip');
157 // Clean up working directory
158 if ( $wp_filesystem->is_dir($working_dir) )
159 $wp_filesystem->delete($working_dir, true);
161 // Unzip package to working directory
162 $result = unzip_file( $package, $working_dir );
164 // Once extracted, delete the package if required.
165 if ( $delete_package )
168 if ( is_wp_error($result) ) {
169 $wp_filesystem->delete($working_dir, true);
170 if ( 'incompatible_archive' == $result->get_error_code() ) {
171 return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
179 function install_package( $args = array() ) {
180 global $wp_filesystem, $wp_theme_directories;
183 'source' => '', // Please always pass this
184 'destination' => '', // and this
185 'clear_destination' => false,
186 'clear_working' => false,
187 'abort_if_destination_exists' => true,
188 'hook_extra' => array()
191 $args = wp_parse_args($args, $defaults);
194 @set_time_limit( 300 );
196 if ( empty($source) || empty($destination) )
197 return new WP_Error('bad_request', $this->strings['bad_request']);
199 $this->skin->feedback('installing_package');
201 $res = apply_filters('upgrader_pre_install', true, $hook_extra);
202 if ( is_wp_error($res) )
205 //Retain the Original source and destinations
206 $remote_source = $source;
207 $local_destination = $destination;
209 $source_files = array_keys( $wp_filesystem->dirlist($remote_source) );
210 $remote_destination = $wp_filesystem->find_folder($local_destination);
212 //Locate which directory to copy to the new folder, This is based on the actual folder holding the files.
213 if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents.
214 $source = trailingslashit($source) . trailingslashit($source_files[0]);
215 elseif ( count($source_files) == 0 )
216 return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files?
217 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.
218 $source = trailingslashit($source);
220 //Hook ability to change the source file location..
221 $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this);
222 if ( is_wp_error($source) )
225 //Has the source location changed? If so, we need a new source_files list.
226 if ( $source !== $remote_source )
227 $source_files = array_keys( $wp_filesystem->dirlist($source) );
229 // Protection against deleting files in any important base directories.
230 // Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the destination directory (WP_PLUGIN_DIR / wp-content/themes)
231 // intending to copy the directory into the directory, whilst they pass the source as the actual files to copy.
232 $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
233 if ( is_array( $wp_theme_directories ) )
234 $protected_directories = array_merge( $protected_directories, $wp_theme_directories );
235 if ( in_array( $destination, $protected_directories ) ) {
236 $remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source));
237 $destination = trailingslashit($destination) . trailingslashit(basename($source));
240 if ( $clear_destination ) {
241 //We're going to clear the destination if there's something there
242 $this->skin->feedback('remove_old');
244 if ( $wp_filesystem->exists($remote_destination) )
245 $removed = $wp_filesystem->delete($remote_destination, true);
246 $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra);
248 if ( is_wp_error($removed) )
250 else if ( ! $removed )
251 return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
252 } elseif ( $abort_if_destination_exists && $wp_filesystem->exists($remote_destination) ) {
253 //If we're not clearing the destination folder and something exists there already, Bail.
254 //But first check to see if there are actually any files in the folder.
255 $_files = $wp_filesystem->dirlist($remote_destination);
256 if ( ! empty($_files) ) {
257 $wp_filesystem->delete($remote_source, true); //Clear out the source files.
258 return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination );
262 //Create destination if needed
263 if ( !$wp_filesystem->exists($remote_destination) )
264 if ( !$wp_filesystem->mkdir($remote_destination, FS_CHMOD_DIR) )
265 return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
267 // Copy new version of item into place.
268 $result = copy_dir($source, $remote_destination);
269 if ( is_wp_error($result) ) {
270 if ( $clear_working )
271 $wp_filesystem->delete($remote_source, true);
275 //Clear the Working folder?
276 if ( $clear_working )
277 $wp_filesystem->delete($remote_source, true);
279 $destination_name = basename( str_replace($local_destination, '', $destination) );
280 if ( '.' == $destination_name )
281 $destination_name = '';
283 $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir');
285 $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result);
286 if ( is_wp_error($res) ) {
287 $this->result = $res;
291 //Bombard the calling function will all the info which we've just used.
292 return $this->result;
295 function run($options) {
298 'package' => '', // Please always pass this.
299 'destination' => '', // And this
300 'clear_destination' => false,
301 'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
302 'clear_working' => true,
304 'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
307 $options = wp_parse_args($options, $defaults);
310 if ( ! $is_multi ) // call $this->header separately if running multiple times
311 $this->skin->header();
313 // Connect to the Filesystem first.
314 $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) );
315 // Mainly for non-connected filesystem.
318 $this->skin->footer();
322 $this->skin->before();
324 if ( is_wp_error($res) ) {
325 $this->skin->error($res);
326 $this->skin->after();
328 $this->skin->footer();
332 //Download the package (Note, This just returns the filename of the file if the package is a local file)
333 $download = $this->download_package( $package );
334 if ( is_wp_error($download) ) {
335 $this->skin->error($download);
336 $this->skin->after();
338 $this->skin->footer();
342 $delete_package = ($download != $package); // Do not delete a "local" file
344 //Unzips the file into a temporary directory
345 $working_dir = $this->unpack_package( $download, $delete_package );
346 if ( is_wp_error($working_dir) ) {
347 $this->skin->error($working_dir);
348 $this->skin->after();
350 $this->skin->footer();
354 //With the given options, this installs it to the destination directory.
355 $result = $this->install_package( array(
356 'source' => $working_dir,
357 'destination' => $destination,
358 'clear_destination' => $clear_destination,
359 'abort_if_destination_exists' => $abort_if_destination_exists,
360 'clear_working' => $clear_working,
361 'hook_extra' => $hook_extra
364 $this->skin->set_result($result);
365 if ( is_wp_error($result) ) {
366 $this->skin->error($result);
367 $this->skin->feedback('process_failed');
370 $this->skin->feedback('process_success');
373 $this->skin->after();
376 do_action( 'upgrader_process_complete', $this, $hook_extra );
377 $this->skin->footer();
383 function maintenance_mode($enable = false) {
384 global $wp_filesystem;
385 $file = $wp_filesystem->abspath() . '.maintenance';
387 $this->skin->feedback('maintenance_start');
388 // Create maintenance file to signal that we are upgrading
389 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
390 $wp_filesystem->delete($file);
391 $wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE);
392 } else if ( !$enable && $wp_filesystem->exists($file) ) {
393 $this->skin->feedback('maintenance_end');
394 $wp_filesystem->delete($file);
401 * Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file.
404 * @subpackage Upgrader
407 class Plugin_Upgrader extends WP_Upgrader {
411 var $show_before = '';
413 function upgrade_strings() {
414 $this->strings['up_to_date'] = __('The plugin is at the latest version.');
415 $this->strings['no_package'] = __('Update package not available.');
416 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…');
417 $this->strings['unpack_package'] = __('Unpacking the update…');
418 $this->strings['remove_old'] = __('Removing the old version of the plugin…');
419 $this->strings['remove_old_failed'] = __('Could not remove the old plugin.');
420 $this->strings['process_failed'] = __('Plugin update failed.');
421 $this->strings['process_success'] = __('Plugin updated successfully.');
424 function install_strings() {
425 $this->strings['no_package'] = __('Install package not available.');
426 $this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>…');
427 $this->strings['unpack_package'] = __('Unpacking the package…');
428 $this->strings['installing_package'] = __('Installing the plugin…');
429 $this->strings['no_files'] = __('The plugin contains no files.');
430 $this->strings['process_failed'] = __('Plugin install failed.');
431 $this->strings['process_success'] = __('Plugin installed successfully.');
434 function install( $package, $args = array() ) {
437 'clear_update_cache' => true,
439 $parsed_args = wp_parse_args( $args, $defaults );
442 $this->install_strings();
444 add_filter('upgrader_source_selection', array($this, 'check_package') );
447 'package' => $package,
448 'destination' => WP_PLUGIN_DIR,
449 'clear_destination' => false, // Do not overwrite files.
450 'clear_working' => true,
451 'hook_extra' => array(
453 'action' => 'install',
457 remove_filter('upgrader_source_selection', array($this, 'check_package') );
459 if ( ! $this->result || is_wp_error($this->result) )
460 return $this->result;
462 // Force refresh of plugin update information
463 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
468 function upgrade( $plugin, $args = array() ) {
471 'clear_update_cache' => true,
473 $parsed_args = wp_parse_args( $args, $defaults );
476 $this->upgrade_strings();
478 $current = get_site_transient( 'update_plugins' );
479 if ( !isset( $current->response[ $plugin ] ) ) {
480 $this->skin->before();
481 $this->skin->set_result(false);
482 $this->skin->error('up_to_date');
483 $this->skin->after();
487 // Get the URL to the zip file
488 $r = $current->response[ $plugin ];
490 add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2);
491 add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
492 //'source_selection' => array($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.
495 'package' => $r->package,
496 'destination' => WP_PLUGIN_DIR,
497 'clear_destination' => true,
498 'clear_working' => true,
499 'hook_extra' => array(
502 'action' => 'update',
506 // Cleanup our hooks, in case something else does a upgrade on this connection.
507 remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'));
508 remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
510 if ( ! $this->result || is_wp_error($this->result) )
511 return $this->result;
513 // Force refresh of plugin update information
514 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
519 function bulk_upgrade( $plugins, $args = array() ) {
522 'clear_update_cache' => true,
524 $parsed_args = wp_parse_args( $args, $defaults );
528 $this->upgrade_strings();
530 $current = get_site_transient( 'update_plugins' );
532 add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
534 $this->skin->header();
536 // Connect to the Filesystem first.
537 $res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) );
539 $this->skin->footer();
543 $this->skin->bulk_header();
545 // Only start maintenance mode if:
546 // - running Multisite and there are one or more plugins specified, OR
547 // - a plugin with an update available is currently active.
548 // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
549 $maintenance = ( is_multisite() && ! empty( $plugins ) );
550 foreach ( $plugins as $plugin )
551 $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) );
553 $this->maintenance_mode(true);
557 $this->update_count = count($plugins);
558 $this->update_current = 0;
559 foreach ( $plugins as $plugin ) {
560 $this->update_current++;
561 $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true);
563 if ( !isset( $current->response[ $plugin ] ) ) {
564 $this->skin->set_result(true);
565 $this->skin->before();
566 $this->skin->feedback('up_to_date');
567 $this->skin->after();
568 $results[$plugin] = true;
572 // Get the URL to the zip file
573 $r = $current->response[ $plugin ];
575 $this->skin->plugin_active = is_plugin_active($plugin);
577 $result = $this->run( array(
578 'package' => $r->package,
579 'destination' => WP_PLUGIN_DIR,
580 'clear_destination' => true,
581 'clear_working' => true,
583 'hook_extra' => array(
588 $results[$plugin] = $this->result;
590 // Prevent credentials auth screen from displaying multiple times
591 if ( false === $result )
593 } //end foreach $plugins
595 $this->maintenance_mode(false);
597 do_action( 'upgrader_process_complete', $this, array(
598 'action' => 'update',
601 'plugins' => $plugins,
604 $this->skin->bulk_footer();
606 $this->skin->footer();
608 // Cleanup our hooks, in case something else does a upgrade on this connection.
609 remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
611 // Force refresh of plugin update information
612 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
617 function check_package($source) {
618 global $wp_filesystem;
620 if ( is_wp_error($source) )
623 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
624 if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation.
627 // Check the folder contains at least 1 valid plugin.
628 $plugins_found = false;
629 foreach ( glob( $working_directory . '*.php' ) as $file ) {
630 $info = get_plugin_data($file, false, false);
631 if ( !empty( $info['Name'] ) ) {
632 $plugins_found = true;
637 if ( ! $plugins_found )
638 return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) );
643 //return plugin info.
644 function plugin_info() {
645 if ( ! is_array($this->result) )
647 if ( empty($this->result['destination_name']) )
650 $plugin = get_plugins('/' . $this->result['destination_name']); //Ensure to pass with leading slash
651 if ( empty($plugin) )
654 $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list
656 return $this->result['destination_name'] . '/' . $pluginfiles[0];
659 //Hooked to pre_install
660 function deactivate_plugin_before_upgrade($return, $plugin) {
662 if ( is_wp_error($return) ) //Bypass.
665 // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it
666 if ( defined( 'DOING_CRON' ) && DOING_CRON )
669 $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
670 if ( empty($plugin) )
671 return new WP_Error('bad_request', $this->strings['bad_request']);
673 if ( is_plugin_active($plugin) ) {
674 //Deactivate the plugin silently, Prevent deactivation hooks from running.
675 deactivate_plugins($plugin, true);
679 //Hooked to upgrade_clear_destination
680 function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) {
681 global $wp_filesystem;
683 if ( is_wp_error($removed) )
684 return $removed; //Pass errors through.
686 $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
687 if ( empty($plugin) )
688 return new WP_Error('bad_request', $this->strings['bad_request']);
690 $plugins_dir = $wp_filesystem->wp_plugins_dir();
691 $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) );
693 if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished.
696 // If plugin is in its own directory, recursively delete the directory.
697 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
698 $deleted = $wp_filesystem->delete($this_plugin_dir, true);
700 $deleted = $wp_filesystem->delete($plugins_dir . $plugin);
703 return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
710 * Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file.
713 * @subpackage Upgrader
716 class Theme_Upgrader extends WP_Upgrader {
721 function upgrade_strings() {
722 $this->strings['up_to_date'] = __('The theme is at the latest version.');
723 $this->strings['no_package'] = __('Update package not available.');
724 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…');
725 $this->strings['unpack_package'] = __('Unpacking the update…');
726 $this->strings['remove_old'] = __('Removing the old version of the theme…');
727 $this->strings['remove_old_failed'] = __('Could not remove the old theme.');
728 $this->strings['process_failed'] = __('Theme update failed.');
729 $this->strings['process_success'] = __('Theme updated successfully.');
732 function install_strings() {
733 $this->strings['no_package'] = __('Install package not available.');
734 $this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>…');
735 $this->strings['unpack_package'] = __('Unpacking the package…');
736 $this->strings['installing_package'] = __('Installing the theme…');
737 $this->strings['no_files'] = __('The theme contains no files.');
738 $this->strings['process_failed'] = __('Theme install failed.');
739 $this->strings['process_success'] = __('Theme installed successfully.');
740 /* translators: 1: theme name, 2: version */
741 $this->strings['process_success_specific'] = __('Successfully installed the theme <strong>%1$s %2$s</strong>.');
742 $this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…');
743 /* translators: 1: theme name, 2: version */
744 $this->strings['parent_theme_prepare_install'] = __('Preparing to install <strong>%1$s %2$s</strong>…');
745 /* translators: 1: theme name, 2: version */
746 $this->strings['parent_theme_currently_installed'] = __('The parent theme, <strong>%1$s %2$s</strong>, is currently installed.');
747 /* translators: 1: theme name, 2: version */
748 $this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, <strong>%1$s %2$s</strong>.');
749 $this->strings['parent_theme_not_found'] = __('<strong>The parent theme could not be found.</strong> You will need to install the parent theme, <strong>%s</strong>, before you can use this child theme.');
752 function check_parent_theme_filter($install_result, $hook_extra, $child_result) {
753 // Check to see if we need to install a parent theme
754 $theme_info = $this->theme_info();
756 if ( ! $theme_info->parent() )
757 return $install_result;
759 $this->skin->feedback( 'parent_theme_search' );
761 if ( ! $theme_info->parent()->errors() ) {
762 $this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') );
763 // We already have the theme, fall through.
764 return $install_result;
767 // We don't have the parent theme, lets install it
768 $api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
770 if ( ! $api || is_wp_error($api) ) {
771 $this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') );
772 // Don't show activate or preview actions after install
773 add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
774 return $install_result;
777 // Backup required data we're going to override:
778 $child_api = $this->skin->api;
779 $child_success_message = $this->strings['process_success'];
782 $this->skin->api = $api;
783 $this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
785 $this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version);
787 add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme.
789 // Install the parent theme
790 $parent_result = $this->run( array(
791 'package' => $api->download_link,
792 'destination' => get_theme_root(),
793 'clear_destination' => false, //Do not overwrite files.
794 'clear_working' => true
797 if ( is_wp_error($parent_result) )
798 add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
800 // Start cleaning up after the parents installation
801 remove_filter('install_theme_complete_actions', '__return_false', 999);
803 // Reset child's result and data
804 $this->result = $child_result;
805 $this->skin->api = $child_api;
806 $this->strings['process_success'] = $child_success_message;
808 return $install_result;
811 function hide_activate_preview_actions($actions) {
812 unset($actions['activate'], $actions['preview']);
816 function install( $package, $args = array() ) {
819 'clear_update_cache' => true,
821 $parsed_args = wp_parse_args( $args, $defaults );
824 $this->install_strings();
826 add_filter('upgrader_source_selection', array($this, 'check_package') );
827 add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
830 'package' => $package,
831 'destination' => get_theme_root(),
832 'clear_destination' => false, //Do not overwrite files.
833 'clear_working' => true,
834 'hook_extra' => array(
836 'action' => 'install',
840 remove_filter('upgrader_source_selection', array($this, 'check_package') );
841 remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
843 if ( ! $this->result || is_wp_error($this->result) )
844 return $this->result;
846 // Refresh the Theme Update information
847 wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
852 function upgrade( $theme, $args = array() ) {
855 'clear_update_cache' => true,
857 $parsed_args = wp_parse_args( $args, $defaults );
860 $this->upgrade_strings();
862 // Is an update available?
863 $current = get_site_transient( 'update_themes' );
864 if ( !isset( $current->response[ $theme ] ) ) {
865 $this->skin->before();
866 $this->skin->set_result(false);
867 $this->skin->error('up_to_date');
868 $this->skin->after();
872 $r = $current->response[ $theme ];
874 add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
875 add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
876 add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
879 'package' => $r['package'],
880 'destination' => get_theme_root( $theme ),
881 'clear_destination' => true,
882 'clear_working' => true,
883 'hook_extra' => array(
886 'action' => 'update',
890 remove_filter('upgrader_pre_install', array($this, 'current_before'));
891 remove_filter('upgrader_post_install', array($this, 'current_after'));
892 remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
894 if ( ! $this->result || is_wp_error($this->result) )
895 return $this->result;
897 wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
902 function bulk_upgrade( $themes, $args = array() ) {
905 'clear_update_cache' => true,
907 $parsed_args = wp_parse_args( $args, $defaults );
911 $this->upgrade_strings();
913 $current = get_site_transient( 'update_themes' );
915 add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
916 add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
917 add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
919 $this->skin->header();
921 // Connect to the Filesystem first.
922 $res = $this->fs_connect( array(WP_CONTENT_DIR) );
924 $this->skin->footer();
928 $this->skin->bulk_header();
930 // Only start maintenance mode if:
931 // - running Multisite and there are one or more themes specified, OR
932 // - a theme with an update available is currently in use.
933 // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
934 $maintenance = ( is_multisite() && ! empty( $themes ) );
935 foreach ( $themes as $theme )
936 $maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template();
938 $this->maintenance_mode(true);
942 $this->update_count = count($themes);
943 $this->update_current = 0;
944 foreach ( $themes as $theme ) {
945 $this->update_current++;
947 $this->skin->theme_info = $this->theme_info($theme);
949 if ( !isset( $current->response[ $theme ] ) ) {
950 $this->skin->set_result(true);
951 $this->skin->before();
952 $this->skin->feedback('up_to_date');
953 $this->skin->after();
954 $results[$theme] = true;
958 // Get the URL to the zip file
959 $r = $current->response[ $theme ];
961 $result = $this->run( array(
962 'package' => $r['package'],
963 'destination' => get_theme_root( $theme ),
964 'clear_destination' => true,
965 'clear_working' => true,
966 'hook_extra' => array(
971 $results[$theme] = $this->result;
973 // Prevent credentials auth screen from displaying multiple times
974 if ( false === $result )
976 } //end foreach $plugins
978 $this->maintenance_mode(false);
980 do_action( 'upgrader_process_complete', $this, array(
981 'action' => 'update',
987 $this->skin->bulk_footer();
989 $this->skin->footer();
991 // Cleanup our hooks, in case something else does a upgrade on this connection.
992 remove_filter('upgrader_pre_install', array($this, 'current_before'));
993 remove_filter('upgrader_post_install', array($this, 'current_after'));
994 remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
996 // Refresh the Theme Update information
997 wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
1002 function check_package($source) {
1003 global $wp_filesystem;
1005 if ( is_wp_error($source) )
1008 // Check the folder contains a valid theme
1009 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
1010 if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation.
1013 // A proper archive should have a style.css file in the single subdirectory
1014 if ( ! file_exists( $working_directory . 'style.css' ) )
1015 return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'], __( 'The theme is missing the <code>style.css</code> stylesheet.' ) );
1017 $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) );
1019 if ( empty( $info['Name'] ) )
1020 return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The <code>style.css</code> stylesheet doesn't contain a valid theme header." ) );
1022 // If it's not a child theme, it must have at least an index.php to be legit.
1023 if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) )
1024 return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the <code>index.php</code> file.' ) );
1029 function current_before($return, $theme) {
1031 if ( is_wp_error($return) )
1034 $theme = isset($theme['theme']) ? $theme['theme'] : '';
1036 if ( $theme != get_stylesheet() ) //If not current
1038 //Change to maintenance mode now.
1039 if ( ! $this->bulk )
1040 $this->maintenance_mode(true);
1045 function current_after($return, $theme) {
1046 if ( is_wp_error($return) )
1049 $theme = isset($theme['theme']) ? $theme['theme'] : '';
1051 if ( $theme != get_stylesheet() ) // If not current
1054 // Ensure stylesheet name hasn't changed after the upgrade:
1055 if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
1056 wp_clean_themes_cache();
1057 $stylesheet = $this->result['destination_name'];
1058 switch_theme( $stylesheet );
1061 //Time to remove maintenance mode
1062 if ( ! $this->bulk )
1063 $this->maintenance_mode(false);
1067 function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
1068 global $wp_filesystem;
1070 if ( is_wp_error( $removed ) )
1071 return $removed; // Pass errors through.
1073 if ( ! isset( $theme['theme'] ) )
1076 $theme = $theme['theme'];
1077 $themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
1078 if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
1079 if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) )
1086 function theme_info($theme = null) {
1088 if ( empty($theme) ) {
1089 if ( !empty($this->result['destination_name']) )
1090 $theme = $this->result['destination_name'];
1094 return wp_get_theme( $theme );
1099 add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
1102 * Language pack upgrader, for updating translations of plugins, themes, and core.
1104 * @package WordPress
1105 * @subpackage Upgrader
1108 class Language_Pack_Upgrader extends WP_Upgrader {
1113 static function async_upgrade( $upgrader = false ) {
1115 if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader )
1119 $language_updates = wp_get_translation_updates();
1120 if ( ! $language_updates )
1123 $skin = new Language_Pack_Upgrader_Skin( array(
1124 'skip_header_footer' => true,
1127 $lp_upgrader = new Language_Pack_Upgrader( $skin );
1128 $lp_upgrader->upgrade();
1131 function upgrade_strings() {
1132 $this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' );
1133 $this->strings['up_to_date'] = __( 'The translation is up to date.' ); // We need to silently skip this case
1134 $this->strings['no_package'] = __( 'Update package not available.' );
1135 $this->strings['downloading_package'] = __( 'Downloading translation from <span class="code">%s</span>…' );
1136 $this->strings['unpack_package'] = __( 'Unpacking the update…' );
1137 $this->strings['process_failed'] = __( 'Translation update failed.' );
1138 $this->strings['process_success'] = __( 'Translation updated successfully.' );
1141 function upgrade( $update = false, $args = array() ) {
1143 $update = array( $update );
1144 $results = $this->bulk_upgrade( $update, $args );
1148 function bulk_upgrade( $language_updates = array(), $args = array() ) {
1149 global $wp_filesystem;
1152 'clear_update_cache' => true,
1154 $parsed_args = wp_parse_args( $args, $defaults );
1157 $this->upgrade_strings();
1159 if ( ! $language_updates )
1160 $language_updates = wp_get_translation_updates();
1162 if ( empty( $language_updates ) ) {
1163 $this->skin->header();
1164 $this->skin->before();
1165 $this->skin->set_result( true );
1166 $this->skin->feedback( 'up_to_date' );
1167 $this->skin->after();
1168 $this->skin->bulk_footer();
1169 $this->skin->footer();
1173 if ( 'upgrader_process_complete' == current_filter() )
1174 $this->skin->feedback( 'starting_upgrade' );
1176 add_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 3 );
1178 $this->skin->header();
1180 // Connect to the Filesystem first.
1181 $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );
1183 $this->skin->footer();
1189 $this->update_count = count( $language_updates );
1190 $this->update_current = 0;
1192 // The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists,
1193 // as we then may need to create a /plugins or /themes directory inside of it.
1194 $remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR );
1195 if ( ! $wp_filesystem->exists( $remote_destination ) )
1196 if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) )
1197 return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination );
1199 foreach ( $language_updates as $language_update ) {
1201 $this->skin->language_update = $language_update;
1203 $destination = WP_LANG_DIR;
1204 if ( 'plugin' == $language_update->type )
1205 $destination .= '/plugins';
1206 elseif ( 'theme' == $language_update->type )
1207 $destination .= '/themes';
1209 $this->update_current++;
1212 'package' => $language_update->package,
1213 'destination' => $destination,
1214 'clear_destination' => false,
1215 'abort_if_destination_exists' => false, // We expect the destination to exist.
1216 'clear_working' => true,
1218 'hook_extra' => array(
1219 'language_update_type' => $language_update->type,
1220 'language_update' => $language_update,
1224 $result = $this->run( $options );
1226 $results[] = $this->result;
1228 // Prevent credentials auth screen from displaying multiple times.
1229 if ( false === $result )
1233 $this->skin->bulk_footer();
1235 $this->skin->footer();
1237 // Clean up our hooks, in case something else does an upgrade on this connection.
1238 remove_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 2 );
1240 if ( $parsed_args['clear_update_cache'] ) {
1241 wp_clean_themes_cache( true );
1242 wp_clean_plugins_cache( true );
1243 delete_site_transient( 'update_core' );
1249 function check_package( $source, $remote_source ) {
1250 global $wp_filesystem;
1252 if ( is_wp_error( $source ) )
1255 // Check that the folder contains a valid language.
1256 $files = $wp_filesystem->dirlist( $remote_source );
1258 // Check to see if a .po and .mo exist in the folder.
1260 foreach ( (array) $files as $file => $filedata ) {
1261 if ( '.po' == substr( $file, -3 ) )
1263 elseif ( '.mo' == substr( $file, -3 ) )
1267 if ( ! $mo || ! $po )
1268 return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'],
1269 __( 'The language pack is missing either the <code>.po</code> or <code>.mo</code> files.' ) );
1274 function get_name_for_update( $update ) {
1275 switch ( $update->type ) {
1277 return 'WordPress'; // Not translated
1280 $theme = wp_get_theme( $update->slug );
1281 if ( $theme->exists() )
1282 return $theme->Get( 'Name' );
1285 $plugin_data = get_plugins( '/' . $update->slug );
1286 $plugin_data = array_shift( $plugin_data );
1288 return $plugin_data['Name'];
1297 * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file
1299 * @package WordPress
1300 * @subpackage Upgrader
1303 class Core_Upgrader extends WP_Upgrader {
1305 function upgrade_strings() {
1306 $this->strings['up_to_date'] = __('WordPress is at the latest version.');
1307 $this->strings['no_package'] = __('Update package not available.');
1308 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…');
1309 $this->strings['unpack_package'] = __('Unpacking the update…');
1310 $this->strings['copy_failed'] = __('Could not copy files.');
1311 $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' );
1312 $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' );
1313 $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' );
1316 function upgrade( $current, $args = array() ) {
1317 global $wp_filesystem;
1319 include ABSPATH . WPINC . '/version.php'; // $wp_version;
1321 $start_time = time();
1324 'pre_check_md5' => true,
1325 'attempt_rollback' => false,
1326 'do_rollback' => false,
1328 $parsed_args = wp_parse_args( $args, $defaults );
1331 $this->upgrade_strings();
1333 // Is an update available?
1334 if ( !isset( $current->response ) || $current->response == 'latest' )
1335 return new WP_Error('up_to_date', $this->strings['up_to_date']);
1337 $res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) );
1338 if ( ! $res || is_wp_error( $res ) ) {
1342 $wp_dir = trailingslashit($wp_filesystem->abspath());
1345 if ( $parsed_args['do_rollback'] )
1347 elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() )
1350 // If partial update is returned from the API, use that, unless we're doing a reinstall.
1351 // If we cross the new_bundled version number, then use the new_bundled zip.
1352 // Don't though if the constant is set to skip bundled items.
1353 // If the API returns a no_content zip, go with it. Finally, default to the full zip.
1354 if ( $parsed_args['do_rollback'] && $current->packages->rollback )
1355 $to_download = 'rollback';
1356 elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial )
1357 $to_download = 'partial';
1358 elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' )
1359 && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) )
1360 $to_download = 'new_bundled';
1361 elseif ( $current->packages->no_content )
1362 $to_download = 'no_content';
1364 $to_download = 'full';
1366 $download = $this->download_package( $current->packages->$to_download );
1367 if ( is_wp_error($download) )
1370 $working_dir = $this->unpack_package( $download );
1371 if ( is_wp_error($working_dir) )
1372 return $working_dir;
1374 // Copy update-core.php from the new version into place.
1375 if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) {
1376 $wp_filesystem->delete($working_dir, true);
1377 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' );
1379 $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE);
1381 require_once( ABSPATH . 'wp-admin/includes/update-core.php' );
1383 if ( ! function_exists( 'update_core' ) )
1384 return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] );
1386 $result = update_core( $working_dir, $wp_dir );
1388 // In the event of an issue, we may be able to roll back.
1389 if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) {
1390 $try_rollback = false;
1391 if ( is_wp_error( $result ) ) {
1392 $error_code = $result->get_error_code();
1393 // Not all errors are equal. These codes are critical: copy_failed__copy_dir,
1394 // mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full.
1395 // do_rollback allows for update_core() to trigger a rollback if needed.
1396 if ( false !== strpos( $error_code, 'do_rollback' ) )
1397 $try_rollback = true;
1398 elseif ( false !== strpos( $error_code, '__copy_dir' ) )
1399 $try_rollback = true;
1400 elseif ( 'disk_full' === $error_code )
1401 $try_rollback = true;
1404 if ( $try_rollback ) {
1405 apply_filters( 'update_feedback', $result );
1406 apply_filters( 'update_feedback', $this->strings['start_rollback'] );
1408 $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) );
1410 $original_result = $result;
1411 $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) );
1415 do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) );
1417 // Clear the current updates
1418 delete_site_transient( 'update_core' );
1420 if ( ! $parsed_args['do_rollback'] ) {
1422 'update_type' => $current->response,
1424 'fs_method' => $wp_filesystem->method,
1425 'fs_method_forced' => defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ),
1426 'time_taken' => time() - $start_time,
1427 'reported' => $wp_version,
1428 'attempted' => $current->version,
1431 if ( is_wp_error( $result ) ) {
1432 $stats['success'] = false;
1433 // Did a rollback occur?
1434 if ( ! empty( $try_rollback ) ) {
1435 $stats['error_code'] = $original_result->get_error_code();
1436 $stats['error_data'] = $original_result->get_error_data();
1437 // Was the rollback successful? If not, collect its error too.
1438 $stats['rollback'] = ! is_wp_error( $rollback_result );
1439 if ( is_wp_error( $rollback_result ) ) {
1440 $stats['rollback_code'] = $rollback_result->get_error_code();
1441 $stats['rollback_data'] = $rollback_result->get_error_data();
1444 $stats['error_code'] = $result->get_error_code();
1445 $stats['error_data'] = $result->get_error_data();
1449 wp_version_check( $stats );
1455 // Determines if this WordPress Core version should update to $offered_ver or not
1456 static function should_update_to_version( $offered_ver /* x.y.z */ ) {
1457 include ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z
1459 $current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version ), 0, 2 ) ); // x.y
1460 $new_branch = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y
1461 $current_is_development_version = (bool) strpos( $wp_version, '-' );
1464 $upgrade_dev = true;
1465 $upgrade_minor = true;
1466 $upgrade_major = false;
1468 // WP_AUTO_UPDATE_CORE = true (all), 'minor', false.
1469 if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {
1470 if ( false === WP_AUTO_UPDATE_CORE ) {
1471 // Defaults to turned off, unless a filter allows it
1472 $upgrade_dev = $upgrade_minor = $upgrade_major = false;
1473 } elseif ( true === WP_AUTO_UPDATE_CORE ) {
1474 // ALL updates for core
1475 $upgrade_dev = $upgrade_minor = $upgrade_major = true;
1476 } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) {
1477 // Only minor updates for core
1478 $upgrade_dev = $upgrade_major = false;
1479 $upgrade_minor = true;
1483 // 1: If we're already on that version, not much point in updating?
1484 if ( $offered_ver == $wp_version )
1487 // 2: If we're running a newer version, that's a nope
1488 if ( version_compare( $wp_version, $offered_ver, '>' ) )
1491 $failure_data = get_site_option( 'auto_core_update_failed' );
1492 if ( $failure_data ) {
1493 // If this was a critical update failure, cannot update.
1494 if ( ! empty( $failure_data['critical'] ) )
1497 // Don't claim we can update on update-core.php if we have a non-critical failure logged.
1498 if ( $wp_version == $failure_data['current'] && false !== strpos( $offered_ver, '.1.next.minor' ) )
1501 // Cannot update if we're retrying the same A to B update that caused a non-critical failure.
1502 // Some non-critical failures do allow retries, like download_failed.
1503 // 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.
1504 if ( empty( $failure_data['retry'] ) && $wp_version == $failure_data['current'] && $offered_ver == $failure_data['attempted'] )
1508 // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2
1509 if ( $current_is_development_version ) {
1510 if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) )
1512 // else fall through to minor + major branches below
1515 // 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4)
1516 if ( $current_branch == $new_branch )
1517 return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );
1519 // 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1)
1520 if ( version_compare( $new_branch, $current_branch, '>' ) )
1521 return apply_filters( 'allow_major_auto_core_updates', $upgrade_major );
1523 // If we're not sure, we don't want it
1527 function check_files() {
1528 global $wp_version, $wp_local_package;
1530 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' );
1532 if ( ! is_array( $checksums ) )
1535 foreach ( $checksums as $file => $checksum ) {
1536 // Skip files which get updated
1537 if ( 'wp-content' == substr( $file, 0, 10 ) )
1539 if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum )
1548 * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if it's a local file to the Upgrade/Installer functions.
1550 * @package WordPress
1551 * @subpackage Upgrader
1554 class File_Upload_Upgrader {
1559 function __construct($form, $urlholder) {
1561 if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) )
1562 wp_die(__('Please select a file'));
1564 //Handle a newly uploaded file, Else assume it's already been uploaded
1565 if ( ! empty($_FILES) ) {
1566 $overrides = array( 'test_form' => false, 'test_type' => false );
1567 $file = wp_handle_upload( $_FILES[$form], $overrides );
1569 if ( isset( $file['error'] ) )
1570 wp_die( $file['error'] );
1572 $this->filename = $_FILES[$form]['name'];
1573 $this->package = $file['file'];
1575 // Construct the object array
1577 'post_title' => $this->filename,
1578 'post_content' => $file['url'],
1579 'post_mime_type' => $file['type'],
1580 'guid' => $file['url'],
1581 'context' => 'upgrader',
1582 'post_status' => 'private'
1586 $this->id = wp_insert_attachment( $object, $file['file'] );
1588 // schedule a cleanup for 2 hours from now in case of failed install
1589 wp_schedule_single_event( time() + 7200, 'upgrader_scheduled_cleanup', array( $this->id ) );
1591 } elseif ( is_numeric( $_GET[$urlholder] ) ) {
1592 // Numeric Package = previously uploaded file, see above.
1593 $this->id = (int) $_GET[$urlholder];
1594 $attachment = get_post( $this->id );
1595 if ( empty($attachment) )
1596 wp_die(__('Please select a file'));
1598 $this->filename = $attachment->post_title;
1599 $this->package = get_attached_file( $attachment->ID );
1601 // Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler.
1602 if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
1603 wp_die( $uploads['error'] );
1605 $this->filename = $_GET[$urlholder];
1606 $this->package = $uploads['basedir'] . '/' . $this->filename;
1610 function cleanup() {
1612 wp_delete_attachment( $this->id );
1614 elseif ( file_exists( $this->package ) )
1615 return @unlink( $this->package );
1622 * The WordPress automatic background updater.
1624 * @package WordPress
1625 * @subpackage Upgrader
1628 class WP_Automatic_Updater {
1631 * Tracks update results during processing.
1635 protected $update_results = array();
1638 * Whether the entire automatic updater is disabled.
1642 public function is_disabled() {
1643 // Background updates are disabled if you don't want file changes.
1644 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS )
1647 if ( defined( 'WP_INSTALLING' ) )
1650 // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters.
1651 $disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED;
1654 * Filter whether to entirely disable background updates.
1656 * There are more fine-grained filters and controls for selective disabling.
1657 * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name.
1659 * This also disables update notification emails. That may change in the future.
1662 * @param bool $disabled Whether the updater should be disabled.
1664 return apply_filters( 'automatic_updater_disabled', $disabled );
1668 * Check for version control checkouts.
1670 * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the
1671 * filesystem to the top of the drive, erring on the side of detecting a VCS
1672 * checkout somewhere.
1674 * ABSPATH is always checked in addition to whatever $context is (which may be the
1675 * wp-content directory, for example). The underlying assumption is that if you are
1676 * using version control *anywhere*, then you should be making decisions for
1677 * how things get updated.
1681 * @param string $context The filesystem path to check, in addition to ABSPATH.
1683 public function is_vcs_checkout( $context ) {
1684 $context_dirs = array( untrailingslashit( $context ) );
1685 if ( $context !== ABSPATH )
1686 $context_dirs[] = untrailingslashit( ABSPATH );
1688 $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' );
1689 $check_dirs = array();
1691 foreach ( $context_dirs as $context_dir ) {
1692 // Walk up from $context_dir to the root.
1694 $check_dirs[] = $context_dir;
1696 // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here.
1697 if ( $context_dir == dirname( $context_dir ) )
1700 // Continue one level at a time.
1701 } while ( $context_dir = dirname( $context_dir ) );
1704 $check_dirs = array_unique( $check_dirs );
1706 // Search all directories we've found for evidence of version control.
1707 foreach ( $vcs_dirs as $vcs_dir ) {
1708 foreach ( $check_dirs as $check_dir ) {
1709 if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) )
1715 * Filter whether the automatic updater should consider a filesystem location to be potentially
1716 * managed by a version control system.
1720 * @param bool $checkout Whether a VCS checkout was discovered at $context or ABSPATH, or anywhere higher.
1721 * @param string $context The filesystem context (a path) against which filesystem status should be checked.
1723 return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context );
1727 * Tests to see if we can and should update a specific item.
1731 * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'.
1732 * @param object $item The update offer.
1733 * @param string $context The filesystem context (a path) against which filesystem access and status
1734 * should be checked.
1736 public function should_update( $type, $item, $context ) {
1737 // Used to see if WP_Filesystem is set up to allow unattended updates.
1738 $skin = new Automatic_Upgrader_Skin;
1740 if ( $this->is_disabled() )
1743 // If we can't do an auto core update, we may still be able to email the user.
1744 if ( ! $skin->request_filesystem_credentials( false, $context ) || $this->is_vcs_checkout( $context ) ) {
1745 if ( 'core' == $type )
1746 $this->send_core_update_notification_email( $item );
1750 // Next up, is this an item we can update?
1751 if ( 'core' == $type )
1752 $update = Core_Upgrader::should_update_to_version( $item->current );
1754 $update = ! empty( $item->autoupdate );
1757 * Filter whether to automatically update core, a plugin, a theme, or a language.
1759 * The dynamic portion of the hook name, $type, refers to the type of update
1760 * being checked. Can be 'core', 'theme', 'plugin', or 'translation'.
1762 * Generally speaking, plugins, themes, and major core versions are not updated by default,
1763 * while translations and minor and development versions for core are updated by default.
1765 * See the filters allow_dev_auto_core_updates, allow_minor_auto_core_updates, and
1766 * allow_major_auto_core_updates more straightforward filters to adjust core updates.
1770 * @param bool $update Whether to update.
1771 * @param object $item The update offer.
1773 $update = apply_filters( 'auto_update_' . $type, $update, $item );
1776 if ( 'core' == $type )
1777 $this->send_core_update_notification_email( $item );
1781 // If it's a core update, are we actually compatible with its requirements?
1782 if ( 'core' == $type ) {
1785 $php_compat = version_compare( phpversion(), $item->php_version, '>=' );
1786 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
1787 $mysql_compat = true;
1789 $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' );
1791 if ( ! $php_compat || ! $mysql_compat )
1799 * Notifies an administrator of a core update.
1803 * @param object $item The update offer.
1805 protected function send_core_update_notification_email( $item ) {
1807 $notified = get_site_option( 'auto_core_update_notified' );
1809 // Don't notify if we've already notified the same email address of the same version.
1810 if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current )
1813 // See if we need to notify users of a core update.
1814 $notify = ! empty( $item->notify_email );
1817 * Whether to notify the site administrator of a new core update.
1819 * By default, administrators are notified when the update offer received from WordPress.org
1820 * sets a particular flag. This allows for discretion in if and when to notify.
1822 * This filter only fires once per release -- if the same email address was already
1823 * notified of the same new version, we won't repeatedly email the administrator.
1825 * This filter is also used on about.php to check if a plugin has disabled these notifications.
1829 * @param bool $notify Whether the site administrator is notified.
1830 * @param object $item The update offer.
1832 if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) )
1835 $this->send_email( 'manual', $item );
1840 * Update an item, if appropriate.
1844 * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'.
1845 * @param object $item The update offer.
1847 public function update( $type, $item ) {
1848 $skin = new Automatic_Upgrader_Skin;
1852 // The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter.
1853 add_filter( 'update_feedback', array( $skin, 'feedback' ) );
1854 $upgrader = new Core_Upgrader( $skin );
1858 $upgrader = new Plugin_Upgrader( $skin );
1859 $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR
1862 $upgrader = new Theme_Upgrader( $skin );
1863 $context = get_theme_root( $item );
1866 $upgrader = new Language_Pack_Upgrader( $skin );
1867 $context = WP_CONTENT_DIR; // WP_LANG_DIR;
1871 // Determine whether we can and should perform this update.
1872 if ( ! $this->should_update( $type, $item, $context ) )
1875 $upgrader_item = $item;
1878 $skin->feedback( __( 'Updating to WordPress %s' ), $item->version );
1879 $item_name = sprintf( __( 'WordPress %s' ), $item->version );
1882 $upgrader_item = $item->theme;
1883 $theme = wp_get_theme( $upgrader_item );
1884 $item_name = $theme->Get( 'Name' );
1885 $skin->feedback( __( 'Updating theme: %s' ), $item_name );
1888 $upgrader_item = $item->plugin;
1889 $plugin_data = get_plugin_data( $context . '/' . $upgrader_item );
1890 $item_name = $plugin_data['Name'];
1891 $skin->feedback( __( 'Updating plugin: %s' ), $item_name );
1894 $language_item_name = $upgrader->get_name_for_update( $item );
1895 $item_name = sprintf( __( 'Translations for %s' ), $language_item_name );
1896 $skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)…' ), $language_item_name, $item->language ) );
1900 // Boom, This sites about to get a whole new splash of paint!
1901 $upgrade_result = $upgrader->upgrade( $upgrader_item, array(
1902 'clear_update_cache' => false,
1903 'pre_check_md5' => false, /* always use partial builds if possible for core updates */
1904 'attempt_rollback' => true, /* only available for core updates */
1907 // if the filesystem is unavailable, false is returned.
1908 if ( false === $upgrade_result ) {
1909 $upgrade_result = new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
1912 // Core doesn't output this, so lets append it so we don't get confused
1913 if ( 'core' == $type ) {
1914 if ( is_wp_error( $upgrade_result ) ) {
1915 $skin->error( __( 'Installation Failed' ), $upgrade_result );
1917 $skin->feedback( __( 'WordPress updated successfully' ) );
1921 $this->update_results[ $type ][] = (object) array(
1923 'result' => $upgrade_result,
1924 'name' => $item_name,
1925 'messages' => $skin->get_upgrade_messages()
1928 return $upgrade_result;
1932 * Kicks off the background update process, looping through all pending updates.
1936 public function run() {
1937 global $wpdb, $wp_version;
1939 if ( $this->is_disabled() )
1942 if ( ! is_main_network() || ! is_main_site() )
1945 $lock_name = 'auto_updater.lock';
1948 $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) );
1950 if ( ! $lock_result ) {
1951 $lock_result = get_option( $lock_name );
1953 // If we couldn't create a lock, and there isn't a lock, bail
1954 if ( ! $lock_result )
1957 // Check to see if the lock is still valid
1958 if ( $lock_result > ( time() - HOUR_IN_SECONDS ) )
1962 // Update the lock, as by this point we've definately got a lock, just need to fire the actions
1963 update_option( $lock_name, time() );
1965 // Don't automatically run these thins, as we'll handle it ourselves
1966 remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
1967 remove_action( 'upgrader_process_complete', 'wp_version_check' );
1968 remove_action( 'upgrader_process_complete', 'wp_update_plugins' );
1969 remove_action( 'upgrader_process_complete', 'wp_update_themes' );
1972 wp_update_plugins(); // Check for Plugin updates
1973 $plugin_updates = get_site_transient( 'update_plugins' );
1974 if ( $plugin_updates && !empty( $plugin_updates->response ) ) {
1975 foreach ( $plugin_updates->response as $plugin ) {
1976 $this->update( 'plugin', $plugin );
1978 // Force refresh of plugin update information
1979 wp_clean_plugins_cache();
1982 // Next, those themes we all love
1983 wp_update_themes(); // Check for Theme updates
1984 $theme_updates = get_site_transient( 'update_themes' );
1985 if ( $theme_updates && !empty( $theme_updates->response ) ) {
1986 foreach ( $theme_updates->response as $theme ) {
1987 $this->update( 'theme', (object) $theme );
1989 // Force refresh of theme update information
1990 wp_clean_themes_cache();
1993 // Next, Process any core update
1994 wp_version_check(); // Check for Core updates
1995 $core_update = find_core_auto_update();
1998 $this->update( 'core', $core_update );
2000 // Clean up, and check for any pending translations
2001 // (Core_Upgrader checks for core updates)
2002 $theme_stats = array();
2003 if ( isset( $this->update_results['theme'] ) ) {
2004 foreach ( $this->update_results['theme'] as $upgrade ) {
2005 $theme_stats[ $upgrade->item->theme ] = ( true === $upgrade->result );
2008 wp_update_themes( $theme_stats ); // Check for Theme updates
2010 $plugin_stats = array();
2011 if ( isset( $this->update_results['plugin'] ) ) {
2012 foreach ( $this->update_results['plugin'] as $upgrade ) {
2013 $plugin_stats[ $upgrade->item->plugin ] = ( true === $upgrade->result );
2016 wp_update_plugins( $plugin_stats ); // Check for Plugin updates
2018 // Finally, Process any new translations
2019 $language_updates = wp_get_translation_updates();
2020 if ( $language_updates ) {
2021 foreach ( $language_updates as $update ) {
2022 $this->update( 'translation', $update );
2025 // Clear existing caches
2026 wp_clean_plugins_cache();
2027 wp_clean_themes_cache();
2028 delete_site_transient( 'update_core' );
2030 wp_version_check(); // check for Core updates
2031 wp_update_themes(); // Check for Theme updates
2032 wp_update_plugins(); // Check for Plugin updates
2035 // Send debugging email to all development installs.
2036 if ( ! empty( $this->update_results ) ) {
2037 $development_version = false !== strpos( $wp_version, '-' );
2039 * Filter whether to send a debugging email for each automatic background update.
2042 * @param bool $development_version By default, emails are sent if the install is a development version.
2043 * Return false to avoid the email.
2045 if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) )
2046 $this->send_debug_email();
2048 if ( ! empty( $this->update_results['core'] ) )
2049 $this->after_core_update( $this->update_results['core'][0] );
2053 delete_option( $lock_name );
2057 * If we tried to perform a core update, check if we should send an email,
2058 * and if we need to avoid processing future updates.
2060 * @param object $update_result The result of the core update. Includes the update offer and result.
2062 protected function after_core_update( $update_result ) {
2065 $core_update = $update_result->item;
2066 $result = $update_result->result;
2068 if ( ! is_wp_error( $result ) ) {
2069 $this->send_email( 'success', $core_update );
2073 $error_code = $result->get_error_code();
2075 // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files.
2076 // We should not try to perform a background update again until there is a successful one-click update performed by the user.
2078 if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) {
2080 } elseif ( $error_code === 'rollback_was_required' && is_wp_error( $result->get_error_data()->rollback ) ) {
2081 // A rollback is only critical if it failed too.
2083 $rollback_result = $result->get_error_data()->rollback;
2084 } elseif ( false !== strpos( $error_code, 'do_rollback' ) ) {
2089 $critical_data = array(
2090 'attempted' => $core_update->current,
2091 'current' => $wp_version,
2092 'error_code' => $error_code,
2093 'error_data' => $result->get_error_data(),
2094 'timestamp' => time(),
2097 if ( isset( $rollback_result ) ) {
2098 $critical_data['rollback_code'] = $rollback_result->get_error_code();
2099 $critical_data['rollback_data'] = $rollback_result->get_error_data();
2101 update_site_option( 'auto_core_update_failed', $critical_data );
2102 $this->send_email( 'critical', $core_update, $result );
2107 * Any other WP_Error code (like download_failed or files_not_writable) occurs before
2108 * we tried to copy over core files. Thus, the failures are early and graceful.
2110 * We should avoid trying to perform a background update again for the same version.
2111 * But we can try again if another version is released.
2113 * For certain 'transient' failures, like download_failed, we should allow retries.
2114 * In fact, let's schedule a special update for an hour from now. (It's possible
2115 * the issue could actually be on WordPress.org's side.) If that one fails, then email.
2118 $transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro' );
2119 if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) {
2120 wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' );
2124 $n = get_site_option( 'auto_core_update_notified' );
2125 // Don't notify if we've already notified the same email address of the same version of the same notification type.
2126 if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current )
2129 update_site_option( 'auto_core_update_failed', array(
2130 'attempted' => $core_update->current,
2131 'current' => $wp_version,
2132 'error_code' => $error_code,
2133 'error_data' => $result->get_error_data(),
2134 'timestamp' => time(),
2135 'retry' => in_array( $error_code, $transient_failures ),
2139 $this->send_email( 'fail', $core_update, $result );
2143 * Sends an email upon the completion or failure of a background core update.
2147 * @param string $type The type of email to send. Can be one of 'success', 'fail', 'manual', 'critical'.
2148 * @param object $core_update The update offer that was attempted.
2149 * @param mixed $result Optional. The result for the core update. Can be WP_Error.
2151 protected function send_email( $type, $core_update, $result = null ) {
2152 update_site_option( 'auto_core_update_notified', array(
2154 'email' => get_site_option( 'admin_email' ),
2155 'version' => $core_update->current,
2156 'timestamp' => time(),
2159 $next_user_core_update = get_preferred_from_update_core();
2160 // If the update transient is empty, use the update we just performed
2161 if ( ! $next_user_core_update )
2162 $next_user_core_update = $core_update;
2163 $newer_version_available = ( 'upgrade' == $next_user_core_update->response && version_compare( $next_user_core_update->version, $core_update->version, '>' ) );
2166 * Filter whether to send an email following an automatic background core update.
2170 * @param bool $send Whether to send the email. Default true.
2171 * @param string $type The type of email to send. Can be one of 'success', 'fail', 'critical'.
2172 * @param object $core_update The update offer that was attempted.
2173 * @param mixed $result The result for the core update. Can be WP_Error.
2175 if ( 'manual' !== $type && ! apply_filters( 'auto_core_update_send_email', true, $type, $core_update, $result ) )
2179 case 'success' : // We updated.
2180 /* translators: 1: Site name, 2: WordPress version number. */
2181 $subject = __( '[%1$s] Your site has updated to WordPress %2$s' );
2184 case 'fail' : // We tried to update but couldn't.
2185 case 'manual' : // We can't update (and made no attempt).
2186 /* translators: 1: Site name, 2: WordPress version number. */
2187 $subject = __( '[%1$s] WordPress %2$s is available. Please update!' );
2190 case 'critical' : // We tried to update, started to copy files, then things went wrong.
2191 /* translators: 1: Site name. */
2192 $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' );
2199 // If the auto update is not to the latest version, say that the current version of WP is available instead.
2200 $version = 'success' === $type ? $core_update->current : $next_user_core_update->current;
2201 $subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $version );
2207 $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current );
2209 if ( ! $newer_version_available )
2210 $body .= __( 'No further action is needed on your part.' ) . ' ';
2212 // Can only reference the About screen if their update was successful.
2213 list( $about_version ) = explode( '-', $core_update->current, 2 );
2214 $body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version );
2215 $body .= "\n" . admin_url( 'about.php' );
2217 if ( $newer_version_available ) {
2218 $body .= "\n\n" . sprintf( __( 'WordPress %s is also now available.' ), $next_user_core_update->current ) . ' ';
2219 $body .= __( 'Updating is easy and only takes a few moments:' );
2220 $body .= "\n" . network_admin_url( 'update-core.php' );
2227 $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current );
2231 // Don't show this message if there is a newer version available.
2232 // Potential for confusion, and also not useful for them to know at this point.
2233 if ( 'fail' == $type && ! $newer_version_available )
2234 $body .= __( 'We tried but were unable to update your site automatically.' ) . ' ';
2236 $body .= __( 'Updating is easy and only takes a few moments:' );
2237 $body .= "\n" . network_admin_url( 'update-core.php' );
2241 if ( $newer_version_available )
2242 $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update WordPress to version %2$s.' ), home_url(), $core_update->current );
2244 $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current );
2246 $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." );
2248 $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:" );
2249 $body .= "\n" . network_admin_url( 'update-core.php' );
2253 // Updates are important!
2254 if ( $type != 'success' || $newer_version_available )
2255 $body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' );
2257 // Add a note about the support forums to all emails.
2258 $body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' );
2259 $body .= "\n" . __( 'http://wordpress.org/support/' );
2261 // If things are successful and we're now on the latest, mention plugins and themes if any are out of date.
2262 if ( $type == 'success' && ! $newer_version_available && ( get_plugin_updates() || get_theme_updates() ) ) {
2263 $body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' );
2264 $body .= "\n" . network_admin_url();
2267 $body .= "\n\n" . __( 'The WordPress Team' ) . "\n";
2269 if ( 'critical' == $type && is_wp_error( $result ) ) {
2270 $body .= "\n***\n\n";
2271 $body .= sprintf( __( 'Your site was running version %s.' ), $GLOBALS['wp_version'] );
2272 $body .= ' ' . __( 'We have some data that describes the error your site encountered.' );
2273 $body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' );
2275 // If we had a rollback and we're still critical, then the rollback failed too.
2276 // Loop through all errors (the main WP_Error, the update result, the rollback result) for code, data, etc.
2277 if ( 'rollback_was_required' == $result->get_error_code() )
2278 $errors = array( $result, $result->get_error_data()->update, $result->get_error_data()->rollback );
2280 $errors = array( $result );
2282 foreach ( $errors as $error ) {
2283 if ( ! is_wp_error( $error ) )
2285 $error_code = $error->get_error_code();
2286 $body .= "\n\n" . sprintf( __( "Error code: %s" ), $error_code );
2287 if ( 'rollback_was_required' == $error_code )
2289 if ( $error->get_error_message() )
2290 $body .= "\n" . $error->get_error_message();
2291 $error_data = $error->get_error_data();
2293 $body .= "\n" . implode( ', ', (array) $error_data );
2298 $to = get_site_option( 'admin_email' );
2301 $email = compact( 'to', 'subject', 'body', 'headers' );
2303 * Filter the email sent following an automatic background core update.
2307 * @param array $email {
2308 * Array of email arguments that will be passed to wp_mail().
2310 * @type string $to The email recipient. An array of emails can be returned, as handled by wp_mail().
2311 * @type string $subject The email's subject.
2312 * @type string $body The email message body.
2313 * @type string $headers Any email headers, defaults to no headers.
2315 * @param string $type The type of email being sent. Can be one of 'success', 'fail', 'manual', 'critical'.
2316 * @param object $core_update The update offer that was attempted.
2317 * @param mixed $result The result for the core update. Can be WP_Error.
2319 $email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result );
2321 wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] );
2325 * Prepares and sends an email of a full log of background update results, useful for debugging and geekery.
2329 protected function send_debug_email() {
2331 foreach ( $this->update_results as $type => $updates )
2332 $update_count += count( $updates );
2337 $body[] = 'WordPress site: ' . network_home_url( '/' );
2340 if ( isset( $this->update_results['core'] ) ) {
2341 $result = $this->update_results['core'][0];
2342 if ( $result->result && ! is_wp_error( $result->result ) ) {
2343 $body[] = sprintf( 'SUCCESS: WordPress was successfully updated to %s', $result->name );
2345 $body[] = sprintf( 'FAILED: WordPress failed to update to %s', $result->name );
2351 // Plugins, Themes, Translations
2352 foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) {
2353 if ( ! isset( $this->update_results[ $type ] ) )
2355 $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) );
2356 if ( $success_items ) {
2357 $body[] = "The following {$type}s were successfully updated:";
2358 foreach ( wp_list_pluck( $success_items, 'name' ) as $name )
2359 $body[] = ' * SUCCESS: ' . $name;
2361 if ( $success_items != $this->update_results[ $type ] ) {
2363 $body[] = "The following {$type}s failed to update:";
2364 foreach ( $this->update_results[ $type ] as $item ) {
2365 if ( ! $item->result || is_wp_error( $item->result ) ) {
2366 $body[] = ' * FAILED: ' . $item->name;
2376 $body[] = 'BETA TESTING?';
2377 $body[] = '=============';
2379 $body[] = 'This debugging email is sent when you are using a development version of WordPress.';
2381 $body[] = 'If you think these failures might be due to a bug in WordPress, could you report it?';
2382 $body[] = ' * Open a thread in the support forums: http://wordpress.org/support/forum/alphabeta';
2383 $body[] = " * Or, if you're comfortable writing a bug report: http://core.trac.wordpress.org/";
2385 $body[] = 'Thanks! -- The WordPress Team';
2387 $subject = sprintf( '[%s] There were failures during background updates', get_bloginfo( 'name' ) );
2389 $subject = sprintf( '[%s] Background updates have finished', get_bloginfo( 'name' ) );
2392 $body[] = 'UPDATE LOG';
2393 $body[] = '==========';
2396 foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) {
2397 if ( ! isset( $this->update_results[ $type ] ) )
2399 foreach ( $this->update_results[ $type ] as $update ) {
2400 $body[] = $update->name;
2401 $body[] = str_repeat( '-', strlen( $update->name ) );
2402 foreach ( $update->messages as $message )
2403 $body[] = " " . html_entity_decode( str_replace( '…', '...', $message ) );
2404 if ( is_wp_error( $update->result ) ) {
2405 $results = array( 'update' => $update->result );
2406 // If we rolled back, we want to know an error that occurred then too.
2407 if ( 'rollback_was_required' === $update->result->get_error_code() )
2408 $results = (array) $update->result->get_error_data();
2409 foreach ( $results as $result_type => $result ) {
2410 if ( ! is_wp_error( $result ) )
2412 $body[] = ' ' . ( 'rollback' === $result_type ? 'Rollback ' : '' ) . 'Error: [' . $result->get_error_code() . '] ' . $result->get_error_message();
2413 if ( $result->get_error_data() )
2414 $body[] = ' ' . implode( ', ', (array) $result->get_error_data() );
2421 //echo "<h1>\n$subject\n</h1>\n";
2422 //echo "<pre>\n" . implode( "\n", $body ) . "\n</pre>";
2424 wp_mail( get_site_option( 'admin_email' ), $subject, implode( "\n", $body ) );