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<?php /** * Upgrade API: WP_Automatic_Updater class * * @package WordPress * @subpackage Upgrader * @since 4.6.0 */ /** * Core class used for handling automatic background updates. * * @since 3.7.0 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php. */ 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 ( ! wp_is_file_mod_allowed( 'automatic_updater' ) ) return true; if ( 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; /** * Filters whether to entirely disable background updates. * * There are more fine-grained filters and controls for selective disabling. * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name. * * This also disables update notification emails. That may change in the future. * * @since 3.7.0 * * @param bool $disabled Whether the updater should be disabled. */ return apply_filters( 'automatic_updater_disabled', $disabled ); } /** * Check for version control checkouts. * * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the * filesystem to the top of the drive, erring on the side of detecting a VCS * checkout somewhere. * * ABSPATH is always checked in addition to whatever $context is (which may be the * wp-content directory, for example). The underlying assumption is that if you are * using version control *anywhere*, then you should be making decisions for * how things get updated. * * @since 3.7.0 * * @param string $context The filesystem path to check, in addition to ABSPATH. */ public function is_vcs_checkout( $context ) { $context_dirs = array( untrailingslashit( $context ) ); if ( $context !== ABSPATH ) $context_dirs[] = untrailingslashit( ABSPATH ); $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); $check_dirs = array(); foreach ( $context_dirs as $context_dir ) { // Walk up from $context_dir to the root. do { $check_dirs[] = $context_dir; // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here. if ( $context_dir == dirname( $context_dir ) ) break; // Continue one level at a time. } while ( $context_dir = dirname( $context_dir ) ); } $check_dirs = array_unique( $check_dirs ); // Search all directories we've found for evidence of version control. foreach ( $vcs_dirs as $vcs_dir ) { foreach ( $check_dirs as $check_dir ) { if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) break 2; } } /** * Filters whether the automatic updater should consider a filesystem * location to be potentially managed by a version control system. * * @since 3.7.0 * * @param bool $checkout Whether a VCS checkout was discovered at $context * or ABSPATH, or anywhere higher. * @param string $context The filesystem context (a path) against which * filesystem status should be checked. */ return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context ); } /** * Tests to see if we can and should update a specific item. * * @since 3.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type The type of update being checked: 'core', 'theme', * 'plugin', 'translation'. * @param object $item The update offer. * @param string $context The filesystem context (a path) against which filesystem * access and status should be checked. */ public function should_update( $type, $item, $context ) { // Used to see if WP_Filesystem is set up to allow unattended updates. $skin = new Automatic_Upgrader_Skin; if ( $this->is_disabled() ) return false; // Only relax the filesystem checks when the update doesn't include new files $allow_relaxed_file_ownership = false; if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) { $allow_relaxed_file_ownership = true; } // If we can't do an auto core update, we may still be able to email the user. if ( ! $skin->request_filesystem_credentials( false, $context, $allow_relaxed_file_ownership ) || $this->is_vcs_checkout( $context ) ) { if ( 'core' == $type ) $this->send_core_update_notification_email( $item ); return false; } // Next up, is this an item we can update? if ( 'core' == $type ) $update = Core_Upgrader::should_update_to_version( $item->current ); else $update = ! empty( $item->autoupdate ); /** * Filters whether to automatically update core, a plugin, a theme, or a language. * * The dynamic portion of the hook name, `$type`, refers to the type of update * being checked. Can be 'core', 'theme', 'plugin', or 'translation'. * * Generally speaking, plugins, themes, and major core versions are not updated * by default, while translations and minor and development versions for core * are updated by default. * * See the {@see 'allow_dev_auto_core_updates', {@see 'allow_minor_auto_core_updates'}, * and {@see 'allow_major_auto_core_updates'} filters for a more straightforward way to * adjust core updates. * * @since 3.7.0 * * @param bool $update Whether to update. * @param object $item The update offer. */ $update = apply_filters( "auto_update_{$type}", $update, $item ); if ( ! $update ) { if ( 'core' == $type ) $this->send_core_update_notification_email( $item ); return false; } // If it's a core update, are we actually compatible with its requirements? if ( 'core' == $type ) { global $wpdb; $php_compat = version_compare( phpversion(), $item->php_version, '>=' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) $mysql_compat = true; else $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' ); if ( ! $php_compat || ! $mysql_compat ) return false; } return true; } /** * Notifies an administrator of a core update. * * @since 3.7.0 * * @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 ); /** * Filters whether to notify the site administrator of a new core update. * * By default, administrators are notified when the update offer received * from WordPress.org sets a particular flag. This allows some discretion * in if and when to notify. * * This filter is only evaluated once per release. If the same email address * was already notified of the same new version, WordPress won't repeatedly * email the administrator. * * This filter is also used on about.php to check if a plugin has disabled * these notifications. * * @since 3.7.0 * * @param bool $notify Whether the site administrator is notified. * @param object $item The update offer. */ if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) return false; $this->send_email( 'manual', $item ); return true; } /** * Update an item, if appropriate. * * @since 3.7.0 * * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. * @param object $item The update offer. * * @return null|WP_Error */ public function update( $type, $item ) { $skin = new Automatic_Upgrader_Skin; switch ( $type ) { case 'core': // The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter. add_filter( 'update_feedback', array( $skin, 'feedback' ) ); $upgrader = new Core_Upgrader( $skin ); $context = ABSPATH; break; case 'plugin': $upgrader = new Plugin_Upgrader( $skin ); $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR break; case 'theme': $upgrader = new Theme_Upgrader( $skin ); $context = get_theme_root( $item->theme ); break; case 'translation': $upgrader = new Language_Pack_Upgrader( $skin ); $context = WP_CONTENT_DIR; // WP_LANG_DIR; break; } // Determine whether we can and should perform this update. if ( ! $this->should_update( $type, $item, $context ) ) return false; /** * Fires immediately prior to an auto-update. * * @since 4.4.0 * * @param string $type The type of update being checked: 'core', 'theme', 'plugin', or 'translation'. * @param object $item The update offer. * @param string $context The filesystem context (a path) against which filesystem access and status * should be checked. */ do_action( 'pre_auto_update', $type, $item, $context ); $upgrader_item = $item; switch ( $type ) { case 'core': $skin->feedback( __( 'Updating to WordPress %s' ), $item->version ); $item_name = sprintf( __( 'WordPress %s' ), $item->version ); break; case 'theme': $upgrader_item = $item->theme; $theme = wp_get_theme( $upgrader_item ); $item_name = $theme->Get( 'Name' ); $skin->feedback( __( 'Updating theme: %s' ), $item_name ); break; case 'plugin': $upgrader_item = $item->plugin; $plugin_data = get_plugin_data( $context . '/' . $upgrader_item ); $item_name = $plugin_data['Name']; $skin->feedback( __( 'Updating plugin: %s' ), $item_name ); break; case 'translation': $language_item_name = $upgrader->get_name_for_update( $item ); $item_name = sprintf( __( 'Translations for %s' ), $language_item_name ); $skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)…' ), $language_item_name, $item->language ) ); break; } $allow_relaxed_file_ownership = false; if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) { $allow_relaxed_file_ownership = true; } // Boom, This sites about to get a whole new splash of paint! $upgrade_result = $upgrader->upgrade( $upgrader_item, array( 'clear_update_cache' => false, // Always use partial builds if possible for core updates. 'pre_check_md5' => false, // Only available for core updates. 'attempt_rollback' => true, // Allow relaxed file ownership in some scenarios 'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership, ) ); // If the filesystem is unavailable, false is returned. if ( false === $upgrade_result ) { $upgrade_result = new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); } if ( 'core' == $type ) { if ( is_wp_error( $upgrade_result ) && ( 'up_to_date' == $upgrade_result->get_error_code() || 'locked' == $upgrade_result->get_error_code() ) ) { // These aren't actual errors, treat it as a skipped-update instead to avoid triggering the post-core update failure routines. return false; } // Core doesn't output this, so let's append it so we don't get confused. if ( is_wp_error( $upgrade_result ) ) { $skin->error( __( 'Installation Failed' ), $upgrade_result ); } else { $skin->feedback( __( 'WordPress updated successfully' ) ); } } $this->update_results[ $type ][] = (object) array( 'item' => $item, 'result' => $upgrade_result, 'name' => $item_name, 'messages' => $skin->get_upgrade_messages() ); return $upgrade_result; } /** * Kicks off the background update process, looping through all pending updates. * * @since 3.7.0 */ public function run() { if ( $this->is_disabled() ) return; if ( ! is_main_network() || ! is_main_site() ) return; if ( ! WP_Upgrader::create_lock( 'auto_updater' ) ) return; // Don't automatically run these thins, as we'll handle it ourselves remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); remove_action( 'upgrader_process_complete', 'wp_version_check' ); remove_action( 'upgrader_process_complete', 'wp_update_plugins' ); remove_action( 'upgrader_process_complete', 'wp_update_themes' ); // Next, Plugins wp_update_plugins(); // Check for Plugin updates $plugin_updates = get_site_transient( 'update_plugins' ); if ( $plugin_updates && !empty( $plugin_updates->response ) ) { foreach ( $plugin_updates->response as $plugin ) { $this->update( 'plugin', $plugin ); } // Force refresh of plugin update information wp_clean_plugins_cache(); } // Next, those themes we all love wp_update_themes(); // Check for Theme updates $theme_updates = get_site_transient( 'update_themes' ); if ( $theme_updates && !empty( $theme_updates->response ) ) { foreach ( $theme_updates->response as $theme ) { $this->update( 'theme', (object) $theme ); } // Force refresh of theme update information wp_clean_themes_cache(); } // Next, Process any core update wp_version_check(); // Check for Core updates $core_update = find_core_auto_update(); if ( $core_update ) $this->update( 'core', $core_update ); // Clean up, and check for any pending translations // (Core_Upgrader checks for core updates) $theme_stats = array(); if ( isset( $this->update_results['theme'] ) ) { foreach ( $this->update_results['theme'] as $upgrade ) { $theme_stats[ $upgrade->item->theme ] = ( true === $upgrade->result ); } } wp_update_themes( $theme_stats ); // Check for Theme updates $plugin_stats = array(); if ( isset( $this->update_results['plugin'] ) ) { foreach ( $this->update_results['plugin'] as $upgrade ) { $plugin_stats[ $upgrade->item->plugin ] = ( true === $upgrade->result ); } } wp_update_plugins( $plugin_stats ); // Check for Plugin updates // Finally, Process any new translations $language_updates = wp_get_translation_updates(); if ( $language_updates ) { foreach ( $language_updates as $update ) { $this->update( 'translation', $update ); } // Clear existing caches wp_clean_update_cache(); wp_version_check(); // check for Core updates wp_update_themes(); // Check for Theme updates wp_update_plugins(); // Check for Plugin updates } // Send debugging email to admin for all development installations. if ( ! empty( $this->update_results ) ) { $development_version = false !== strpos( get_bloginfo( 'version' ), '-' ); /** * Filters 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 ); } WP_Upgrader::release_lock( 'auto_updater' ); } /** * If we tried to perform a core update, check if we should send an email, * and if we need to avoid processing future updates. * * @since 3.7.0 * * @param object $update_result The result of the core update. Includes the update offer and result. */ protected function after_core_update( $update_result ) { $wp_version = get_bloginfo( 'version' ); $core_update = $update_result->item; $result = $update_result->result; if ( ! is_wp_error( $result ) ) { $this->send_email( 'success', $core_update ); return; } $error_code = $result->get_error_code(); // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files. // We should not try to perform a background update again until there is a successful one-click update performed by the user. $critical = false; if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) { $critical = true; } elseif ( $error_code === 'rollback_was_required' && is_wp_error( $result->get_error_data()->rollback ) ) { // A rollback is only critical if it failed too. $critical = true; $rollback_result = $result->get_error_data()->rollback; } elseif ( false !== strpos( $error_code, 'do_rollback' ) ) { $critical = true; } if ( $critical ) { $critical_data = array( 'attempted' => $core_update->current, 'current' => $wp_version, 'error_code' => $error_code, 'error_data' => $result->get_error_data(), 'timestamp' => time(), 'critical' => true, ); if ( isset( $rollback_result ) ) { $critical_data['rollback_code'] = $rollback_result->get_error_code(); $critical_data['rollback_data'] = $rollback_result->get_error_data(); } update_site_option( 'auto_core_update_failed', $critical_data ); $this->send_email( 'critical', $core_update, $result ); return; } /* * Any other WP_Error code (like download_failed or files_not_writable) occurs before * we tried to copy over core files. Thus, the failures are early and graceful. * * We should avoid trying to perform a background update again for the same version. * But we can try again if another version is released. * * For certain 'transient' failures, like download_failed, we should allow retries. * In fact, let's schedule a special update for an hour from now. (It's possible * the issue could actually be on WordPress.org's side.) If that one fails, then email. */ $send = true; $transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro', 'locked' ); if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) { wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' ); $send = false; } $n = get_site_option( 'auto_core_update_notified' ); // Don't notify if we've already notified the same email address of the same version of the same notification type. if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current ) $send = false; update_site_option( 'auto_core_update_failed', array( 'attempted' => $core_update->current, 'current' => $wp_version, 'error_code' => $error_code, 'error_data' => $result->get_error_data(), 'timestamp' => time(), 'retry' => in_array( $error_code, $transient_failures ), ) ); if ( $send ) $this->send_email( 'fail', $core_update, $result ); } /** * Sends an email upon the completion or failure of a background core update. * * @since 3.7.0 * * @param string $type The type of email to send. Can be one of 'success', 'fail', 'manual', 'critical'. * @param object $core_update The update offer that was attempted. * @param mixed $result Optional. The result for the core update. Can be WP_Error. */ protected function send_email( $type, $core_update, $result = null ) { update_site_option( 'auto_core_update_notified', array( 'type' => $type, 'email' => get_site_option( 'admin_email' ), 'version' => $core_update->current, 'timestamp' => time(), ) ); $next_user_core_update = get_preferred_from_update_core(); // If the update transient is empty, use the update we just performed if ( ! $next_user_core_update ) $next_user_core_update = $core_update; $newer_version_available = ( 'upgrade' == $next_user_core_update->response && version_compare( $next_user_core_update->version, $core_update->version, '>' ) ); /** * Filters whether to send an email following an automatic background core update. * * @since 3.7.0 * * @param bool $send Whether to send the email. Default true. * @param string $type The type of email to send. Can be one of * 'success', 'fail', 'critical'. * @param object $core_update The update offer that was attempted. * @param mixed $result The result for the core update. Can be WP_Error. */ if ( 'manual' !== $type && ! apply_filters( 'auto_core_update_send_email', true, $type, $core_update, $result ) ) return; switch ( $type ) { case 'success' : // We updated. /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] Your site has updated to WordPress %2$s' ); break; case 'fail' : // We tried to update but couldn't. case 'manual' : // We can't update (and made no attempt). /* translators: 1: Site name, 2: WordPress version number. */ $subject = __( '[%1$s] WordPress %2$s is available. Please update!' ); break; case 'critical' : // We tried to update, started to copy files, then things went wrong. /* translators: 1: Site name. */ $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' ); break; default : return; } // If the auto update is not to the latest version, say that the current version of WP is available instead. $version = 'success' === $type ? $core_update->current : $next_user_core_update->current; $subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $version ); $body = ''; switch ( $type ) { case 'success' : $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n"; if ( ! $newer_version_available ) $body .= __( 'No further action is needed on your part.' ) . ' '; // Can only reference the About screen if their update was successful. list( $about_version ) = explode( '-', $core_update->current, 2 ); $body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version ); $body .= "\n" . admin_url( 'about.php' ); if ( $newer_version_available ) { $body .= "\n\n" . sprintf( __( 'WordPress %s is also now available.' ), $next_user_core_update->current ) . ' '; $body .= __( 'Updating is easy and only takes a few moments:' ); $body .= "\n" . network_admin_url( 'update-core.php' ); } break; case 'fail' : case 'manual' : $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current ); $body .= "\n\n"; // Don't show this message if there is a newer version available. // Potential for confusion, and also not useful for them to know at this point. if ( 'fail' == $type && ! $newer_version_available ) $body .= __( 'We tried but were unable to update your site automatically.' ) . ' '; $body .= __( 'Updating is easy and only takes a few moments:' ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; case 'critical' : if ( $newer_version_available ) $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update WordPress to version %2$s.' ), home_url(), $core_update->current ); else $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current ); $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." ); $body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" ); $body .= "\n" . network_admin_url( 'update-core.php' ); break; } $critical_support = 'critical' === $type && ! empty( $core_update->support_email ); if ( $critical_support ) { // Support offer if available. $body .= "\n\n" . sprintf( __( "The WordPress team is willing to help you. Forward this email to %s and the team will work with you to make sure your site is working." ), $core_update->support_email ); } else { // Add a note about the support forums. $body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' ); $body .= "\n" . __( 'https://wordpress.org/support/' ); } // Updates are important! if ( $type != 'success' || $newer_version_available ) { $body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ); } if ( $critical_support ) { $body .= " " . __( "If you reach out to us, we'll also ensure you'll never have this problem again." ); } // If things are successful and we're now on the latest, mention plugins and themes if any are out of date. if ( $type == 'success' && ! $newer_version_available && ( get_plugin_updates() || get_theme_updates() ) ) { $body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' ); $body .= "\n" . network_admin_url(); } $body .= "\n\n" . __( 'The WordPress Team' ) . "\n"; if ( 'critical' == $type && is_wp_error( $result ) ) { $body .= "\n***\n\n"; $body .= sprintf( __( 'Your site was running version %s.' ), get_bloginfo( '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' ); /** * Filters the email sent following an automatic background core update. * * @since 3.7.0 * * @param array $email { * Array of email arguments that will be passed to wp_mail(). * * @type string $to The email recipient. An array of emails * can be returned, as handled by wp_mail(). * @type string $subject The email's subject. * @type string $body The email message body. * @type string $headers Any email headers, defaults to no headers. * } * @param string $type The type of email being sent. Can be one of * 'success', 'fail', 'manual', 'critical'. * @param object $core_update The update offer that was attempted. * @param mixed $result The result for the core update. Can be WP_Error. */ $email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result ); wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] ); } /** * Prepares and sends an email of a full log of background update results, useful for debugging and geekery. * * @since 3.7.0 */ protected function send_debug_email() { $update_count = 0; foreach ( $this->update_results as $type => $updates ) $update_count += count( $updates ); $body = array(); $failures = 0; $body[] = sprintf( __( 'WordPress site: %s' ), network_home_url( '/' ) ); // Core if ( isset( $this->update_results['core'] ) ) { $result = $this->update_results['core'][0]; if ( $result->result && ! is_wp_error( $result->result ) ) { $body[] = sprintf( __( 'SUCCESS: WordPress was successfully updated to %s' ), $result->name ); } else { $body[] = sprintf( __( 'FAILED: WordPress failed to update to %s' ), $result->name ); $failures++; } $body[] = ''; } // Plugins, Themes, Translations foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) { 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[] = ''; } $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ); if ( $failures ) { $body[] = trim( __( "BETA TESTING? ============= This debugging email is sent when you are using a development version of WordPress. If you think these failures might be due to a bug in WordPress, could you report it? * Open a thread in the support forums: https://wordpress.org/support/forum/alphabeta * Or, if you're comfortable writing a bug report: https://core.trac.wordpress.org/ Thanks! -- The WordPress Team" ) ); $body[] = ''; $subject = sprintf( __( '[%s] There were failures during background updates' ), $site_title ); } else { $subject = sprintf( __( '[%s] Background updates have finished' ), $site_title ); } $body[] = trim( __( 'UPDATE LOG ==========' ) ); $body[] = ''; foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) { if ( ! isset( $this->update_results[ $type ] ) ) continue; foreach ( $this->update_results[ $type ] as $update ) { $body[] = $update->name; $body[] = str_repeat( '-', strlen( $update->name ) ); foreach ( $update->messages as $message ) $body[] = " " . html_entity_decode( str_replace( '…', '...', $message ) ); if ( is_wp_error( $update->result ) ) { $results = array( 'update' => $update->result ); // If we rolled back, we want to know an error that occurred then too. if ( 'rollback_was_required' === $update->result->get_error_code() ) $results = (array) $update->result->get_error_data(); foreach ( $results as $result_type => $result ) { if ( ! is_wp_error( $result ) ) continue; if ( 'rollback' === $result_type ) { /* translators: 1: Error code, 2: Error message. */ $body[] = ' ' . sprintf( __( 'Rollback Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); } else { /* translators: 1: Error code, 2: Error message. */ $body[] = ' ' . sprintf( __( 'Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); } if ( $result->get_error_data() ) $body[] = ' ' . implode( ', ', (array) $result->get_error_data() ); } } $body[] = ''; } } $email = array( 'to' => get_site_option( 'admin_email' ), 'subject' => $subject, 'body' => implode( "\n", $body ), 'headers' => '' ); /** * Filters 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'] ); } } 
