From a415c29efee45520ae252d2aa28f1083a521cd7b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 09:56:49 +0200 Subject: Adding upstream version 6.4.3+dfsg1. Signed-off-by: Daniel Baumann --- wp-includes/update.php | 1174 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1174 insertions(+) create mode 100644 wp-includes/update.php (limited to 'wp-includes/update.php') diff --git a/wp-includes/update.php b/wp-includes/update.php new file mode 100644 index 0000000..e2ac6b8 --- /dev/null +++ b/wp-includes/update.php @@ -0,0 +1,1174 @@ +version_checked ) { + $current = false; + } + + if ( ! is_object( $current ) ) { + $current = new stdClass(); + $current->updates = array(); + $current->version_checked = $wp_version; + } + + if ( ! empty( $extra_stats ) ) { + $force_check = true; + } + + // Wait 1 minute between multiple version check requests. + $timeout = MINUTE_IN_SECONDS; + $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); + + if ( ! $force_check && $time_not_changed ) { + return; + } + + /** + * Filters the locale requested for WordPress core translations. + * + * @since 2.8.0 + * + * @param string $locale Current locale. + */ + $locale = apply_filters( 'core_version_check_locale', get_locale() ); + + // Update last_checked for current to prevent multiple blocking requests if request hangs. + $current->last_checked = time(); + set_site_transient( 'update_core', $current ); + + if ( method_exists( $wpdb, 'db_server_info' ) ) { + $mysql_version = $wpdb->db_server_info(); + } elseif ( method_exists( $wpdb, 'db_version' ) ) { + $mysql_version = preg_replace( '/[^0-9.].*/', '', $wpdb->db_version() ); + } else { + $mysql_version = 'N/A'; + } + + if ( is_multisite() ) { + $num_blogs = get_blog_count(); + $wp_install = network_site_url(); + $multisite_enabled = 1; + } else { + $multisite_enabled = 0; + $num_blogs = 1; + $wp_install = home_url( '/' ); + } + + $extensions = get_loaded_extensions(); + sort( $extensions, SORT_STRING | SORT_FLAG_CASE ); + $query = array( + 'version' => $wp_version, + 'php' => $php_version, + 'locale' => $locale, + 'mysql' => $mysql_version, + 'local_package' => isset( $wp_local_package ) ? $wp_local_package : '', + 'blogs' => $num_blogs, + 'users' => get_user_count(), + 'multisite_enabled' => $multisite_enabled, + 'initial_db_version' => get_site_option( 'initial_db_version' ), + 'extensions' => array_combine( $extensions, array_map( 'phpversion', $extensions ) ), + 'platform_flags' => array( + 'os' => PHP_OS, + 'bits' => PHP_INT_SIZE === 4 ? 32 : 64, + ), + 'image_support' => array(), + ); + + if ( function_exists( 'gd_info' ) ) { + $gd_info = gd_info(); + // Filter to supported values. + $gd_info = array_filter( $gd_info ); + + // Add data for GD WebP and AVIF support. + $query['image_support']['gd'] = array_keys( + array_filter( + array( + 'webp' => isset( $gd_info['WebP Support'] ), + 'avif' => isset( $gd_info['AVIF Support'] ), + ) + ) + ); + } + + if ( class_exists( 'Imagick' ) ) { + // Add data for Imagick WebP and AVIF support. + $query['image_support']['imagick'] = array_keys( + array_filter( + array( + 'webp' => ! empty( Imagick::queryFormats( 'WEBP' ) ), + 'avif' => ! empty( Imagick::queryFormats( 'AVIF' ) ), + ) + ) + ); + } + + /** + * Filters the query arguments sent as part of the core version check. + * + * WARNING: Changing this data may result in your site not receiving security updates. + * Please exercise extreme caution. + * + * @since 4.9.0 + * + * @param array $query { + * Version check query arguments. + * + * @type string $version WordPress version number. + * @type string $php PHP version number. + * @type string $locale The locale to retrieve updates for. + * @type string $mysql MySQL version number. + * @type string $local_package The value of the $wp_local_package global, when set. + * @type int $blogs Number of sites on this WordPress installation. + * @type int $users Number of users on this WordPress installation. + * @type int $multisite_enabled Whether this WordPress installation uses Multisite. + * @type int $initial_db_version Database version of WordPress at time of installation. + * } + */ + $query = apply_filters( 'core_version_check_query_args', $query ); + + $post_body = array( + 'translations' => wp_json_encode( $translations ), + ); + + if ( is_array( $extra_stats ) ) { + $post_body = array_merge( $post_body, $extra_stats ); + } + + // Allow for WP_AUTO_UPDATE_CORE to specify beta/RC/development releases. + if ( defined( 'WP_AUTO_UPDATE_CORE' ) + && in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true ) + ) { + $query['channel'] = WP_AUTO_UPDATE_CORE; + } + + $url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, '', '&' ); + $http_url = $url; + $ssl = wp_http_supports( array( 'ssl' ) ); + + if ( $ssl ) { + $url = set_url_scheme( $url, 'https' ); + } + + $doing_cron = wp_doing_cron(); + + $options = array( + 'timeout' => $doing_cron ? 30 : 3, + 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), + 'headers' => array( + 'wp_install' => $wp_install, + 'wp_blog' => home_url( '/' ), + ), + 'body' => $post_body, + ); + + $response = wp_remote_post( $url, $options ); + + if ( $ssl && is_wp_error( $response ) ) { + trigger_error( + sprintf( + /* translators: %s: Support forums URL. */ + __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), + __( 'https://wordpress.org/support/forums/' ) + ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), + headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE + ); + $response = wp_remote_post( $http_url, $options ); + } + + if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { + return; + } + + $body = trim( wp_remote_retrieve_body( $response ) ); + $body = json_decode( $body, true ); + + if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) { + return; + } + + $offers = $body['offers']; + + foreach ( $offers as &$offer ) { + foreach ( $offer as $offer_key => $value ) { + if ( 'packages' === $offer_key ) { + $offer['packages'] = (object) array_intersect_key( + array_map( 'esc_url', $offer['packages'] ), + array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' ) + ); + } elseif ( 'download' === $offer_key ) { + $offer['download'] = esc_url( $value ); + } else { + $offer[ $offer_key ] = esc_html( $value ); + } + } + $offer = (object) array_intersect_key( + $offer, + array_fill_keys( + array( + 'response', + 'download', + 'locale', + 'packages', + 'current', + 'version', + 'php_version', + 'mysql_version', + 'new_bundled', + 'partial_version', + 'notify_email', + 'support_email', + 'new_files', + ), + '' + ) + ); + } + + $updates = new stdClass(); + $updates->updates = $offers; + $updates->last_checked = time(); + $updates->version_checked = $wp_version; + + if ( isset( $body['translations'] ) ) { + $updates->translations = $body['translations']; + } + + set_site_transient( 'update_core', $updates ); + + if ( ! empty( $body['ttl'] ) ) { + $ttl = (int) $body['ttl']; + + if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) { + // Queue an event to re-run the update check in $ttl seconds. + wp_schedule_single_event( time() + $ttl, 'wp_version_check' ); + } + } + + // Trigger background updates if running non-interactively, and we weren't called from the update handler. + if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) { + /** + * Fires during wp_cron, starting the auto-update process. + * + * @since 3.9.0 + */ + do_action( 'wp_maybe_auto_update' ); + } +} + +/** + * Checks for available updates to plugins based on the latest versions hosted on WordPress.org. + * + * Despite its name this function does not actually perform any updates, it only checks for available updates. + * + * A list of all plugins installed is sent to WP, along with the site locale. + * + * Checks against the WordPress server at api.wordpress.org. Will only check + * if WordPress isn't installing. + * + * @since 2.3.0 + * + * @global string $wp_version The WordPress version string. + * + * @param array $extra_stats Extra statistics to report to the WordPress.org API. + */ +function wp_update_plugins( $extra_stats = array() ) { + if ( wp_installing() ) { + return; + } + + // Include an unmodified $wp_version. + require ABSPATH . WPINC . '/version.php'; + + // If running blog-side, bail unless we've not checked in the last 12 hours. + if ( ! function_exists( 'get_plugins' ) ) { + require_once ABSPATH . 'wp-admin/includes/plugin.php'; + } + + $plugins = get_plugins(); + $translations = wp_get_installed_translations( 'plugins' ); + + $active = get_option( 'active_plugins', array() ); + $current = get_site_transient( 'update_plugins' ); + + if ( ! is_object( $current ) ) { + $current = new stdClass(); + } + + $updates = new stdClass(); + $updates->last_checked = time(); + $updates->response = array(); + $updates->translations = array(); + $updates->no_update = array(); + + $doing_cron = wp_doing_cron(); + + // Check for update on a different schedule, depending on the page. + switch ( current_filter() ) { + case 'upgrader_process_complete': + $timeout = 0; + break; + case 'load-update-core.php': + $timeout = MINUTE_IN_SECONDS; + break; + case 'load-plugins.php': + case 'load-update.php': + $timeout = HOUR_IN_SECONDS; + break; + default: + if ( $doing_cron ) { + $timeout = 2 * HOUR_IN_SECONDS; + } else { + $timeout = 12 * HOUR_IN_SECONDS; + } + } + + $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); + + if ( $time_not_changed && ! $extra_stats ) { + $plugin_changed = false; + + foreach ( $plugins as $file => $p ) { + $updates->checked[ $file ] = $p['Version']; + + if ( ! isset( $current->checked[ $file ] ) || (string) $current->checked[ $file ] !== (string) $p['Version'] ) { + $plugin_changed = true; + } + } + + if ( isset( $current->response ) && is_array( $current->response ) ) { + foreach ( $current->response as $plugin_file => $update_details ) { + if ( ! isset( $plugins[ $plugin_file ] ) ) { + $plugin_changed = true; + break; + } + } + } + + // Bail if we've checked recently and if nothing has changed. + if ( ! $plugin_changed ) { + return; + } + } + + // Update last_checked for current to prevent multiple blocking requests if request hangs. + $current->last_checked = time(); + set_site_transient( 'update_plugins', $current ); + + $to_send = compact( 'plugins', 'active' ); + + $locales = array_values( get_available_languages() ); + + /** + * Filters the locales requested for plugin translations. + * + * @since 3.7.0 + * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales. + * + * @param string[] $locales Plugin locales. Default is all available locales of the site. + */ + $locales = apply_filters( 'plugins_update_check_locales', $locales ); + $locales = array_unique( $locales ); + + if ( $doing_cron ) { + $timeout = 30; // 30 seconds. + } else { + // Three seconds, plus one extra second for every 10 plugins. + $timeout = 3 + (int) ( count( $plugins ) / 10 ); + } + + $options = array( + 'timeout' => $timeout, + 'body' => array( + 'plugins' => wp_json_encode( $to_send ), + 'translations' => wp_json_encode( $translations ), + 'locale' => wp_json_encode( $locales ), + 'all' => wp_json_encode( true ), + ), + 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), + ); + + if ( $extra_stats ) { + $options['body']['update_stats'] = wp_json_encode( $extra_stats ); + } + + $url = 'http://api.wordpress.org/plugins/update-check/1.1/'; + $http_url = $url; + $ssl = wp_http_supports( array( 'ssl' ) ); + + if ( $ssl ) { + $url = set_url_scheme( $url, 'https' ); + } + + $raw_response = wp_remote_post( $url, $options ); + + if ( $ssl && is_wp_error( $raw_response ) ) { + trigger_error( + sprintf( + /* translators: %s: Support forums URL. */ + __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), + __( 'https://wordpress.org/support/forums/' ) + ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), + headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE + ); + $raw_response = wp_remote_post( $http_url, $options ); + } + + if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) { + return; + } + + $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); + + if ( $response && is_array( $response ) ) { + $updates->response = $response['plugins']; + $updates->translations = $response['translations']; + $updates->no_update = $response['no_update']; + } + + // Support updates for any plugins using the `Update URI` header field. + foreach ( $plugins as $plugin_file => $plugin_data ) { + if ( ! $plugin_data['UpdateURI'] || isset( $updates->response[ $plugin_file ] ) ) { + continue; + } + + $hostname = wp_parse_url( sanitize_url( $plugin_data['UpdateURI'] ), PHP_URL_HOST ); + + /** + * Filters the update response for a given plugin hostname. + * + * The dynamic portion of the hook name, `$hostname`, refers to the hostname + * of the URI specified in the `Update URI` header field. + * + * @since 5.8.0 + * + * @param array|false $update { + * The plugin update data with the latest details. Default false. + * + * @type string $id Optional. ID of the plugin for update purposes, should be a URI + * specified in the `Update URI` header field. + * @type string $slug Slug of the plugin. + * @type string $version The version of the plugin. + * @type string $url The URL for details of the plugin. + * @type string $package Optional. The update ZIP for the plugin. + * @type string $tested Optional. The version of WordPress the plugin is tested against. + * @type string $requires_php Optional. The version of PHP which the plugin requires. + * @type bool $autoupdate Optional. Whether the plugin should automatically update. + * @type array $icons Optional. Array of plugin icons. + * @type array $banners Optional. Array of plugin banners. + * @type array $banners_rtl Optional. Array of plugin RTL banners. + * @type array $translations { + * Optional. List of translation updates for the plugin. + * + * @type string $language The language the translation update is for. + * @type string $version The version of the plugin this translation is for. + * This is not the version of the language file. + * @type string $updated The update timestamp of the translation file. + * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. + * @type string $package The ZIP location containing the translation update. + * @type string $autoupdate Whether the translation should be automatically installed. + * } + * } + * @param array $plugin_data Plugin headers. + * @param string $plugin_file Plugin filename. + * @param string[] $locales Installed locales to look up translations for. + */ + $update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales ); + + if ( ! $update ) { + continue; + } + + $update = (object) $update; + + // Is it valid? We require at least a version. + if ( ! isset( $update->version ) ) { + continue; + } + + // These should remain constant. + $update->id = $plugin_data['UpdateURI']; + $update->plugin = $plugin_file; + + // WordPress needs the version field specified as 'new_version'. + if ( ! isset( $update->new_version ) ) { + $update->new_version = $update->version; + } + + // Handle any translation updates. + if ( ! empty( $update->translations ) ) { + foreach ( $update->translations as $translation ) { + if ( isset( $translation['language'], $translation['package'] ) ) { + $translation['type'] = 'plugin'; + $translation['slug'] = isset( $update->slug ) ? $update->slug : $update->id; + + $updates->translations[] = $translation; + } + } + } + + unset( $updates->no_update[ $plugin_file ], $updates->response[ $plugin_file ] ); + + if ( version_compare( $update->new_version, $plugin_data['Version'], '>' ) ) { + $updates->response[ $plugin_file ] = $update; + } else { + $updates->no_update[ $plugin_file ] = $update; + } + } + + $sanitize_plugin_update_payload = static function ( &$item ) { + $item = (object) $item; + + unset( $item->translations, $item->compatibility ); + + return $item; + }; + + array_walk( $updates->response, $sanitize_plugin_update_payload ); + array_walk( $updates->no_update, $sanitize_plugin_update_payload ); + + set_site_transient( 'update_plugins', $updates ); +} + +/** + * Checks for available updates to themes based on the latest versions hosted on WordPress.org. + * + * Despite its name this function does not actually perform any updates, it only checks for available updates. + * + * A list of all themes installed is sent to WP, along with the site locale. + * + * Checks against the WordPress server at api.wordpress.org. Will only check + * if WordPress isn't installing. + * + * @since 2.7.0 + * + * @global string $wp_version The WordPress version string. + * + * @param array $extra_stats Extra statistics to report to the WordPress.org API. + */ +function wp_update_themes( $extra_stats = array() ) { + if ( wp_installing() ) { + return; + } + + // Include an unmodified $wp_version. + require ABSPATH . WPINC . '/version.php'; + + $installed_themes = wp_get_themes(); + $translations = wp_get_installed_translations( 'themes' ); + + $last_update = get_site_transient( 'update_themes' ); + + if ( ! is_object( $last_update ) ) { + $last_update = new stdClass(); + } + + $themes = array(); + $checked = array(); + $request = array(); + + // Put slug of active theme into request. + $request['active'] = get_option( 'stylesheet' ); + + foreach ( $installed_themes as $theme ) { + $checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' ); + + $themes[ $theme->get_stylesheet() ] = array( + 'Name' => $theme->get( 'Name' ), + 'Title' => $theme->get( 'Name' ), + 'Version' => $theme->get( 'Version' ), + 'Author' => $theme->get( 'Author' ), + 'Author URI' => $theme->get( 'AuthorURI' ), + 'UpdateURI' => $theme->get( 'UpdateURI' ), + 'Template' => $theme->get_template(), + 'Stylesheet' => $theme->get_stylesheet(), + ); + } + + $doing_cron = wp_doing_cron(); + + // Check for update on a different schedule, depending on the page. + switch ( current_filter() ) { + case 'upgrader_process_complete': + $timeout = 0; + break; + case 'load-update-core.php': + $timeout = MINUTE_IN_SECONDS; + break; + case 'load-themes.php': + case 'load-update.php': + $timeout = HOUR_IN_SECONDS; + break; + default: + if ( $doing_cron ) { + $timeout = 2 * HOUR_IN_SECONDS; + } else { + $timeout = 12 * HOUR_IN_SECONDS; + } + } + + $time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked ); + + if ( $time_not_changed && ! $extra_stats ) { + $theme_changed = false; + + foreach ( $checked as $slug => $v ) { + if ( ! isset( $last_update->checked[ $slug ] ) || (string) $last_update->checked[ $slug ] !== (string) $v ) { + $theme_changed = true; + } + } + + if ( isset( $last_update->response ) && is_array( $last_update->response ) ) { + foreach ( $last_update->response as $slug => $update_details ) { + if ( ! isset( $checked[ $slug ] ) ) { + $theme_changed = true; + break; + } + } + } + + // Bail if we've checked recently and if nothing has changed. + if ( ! $theme_changed ) { + return; + } + } + + // Update last_checked for current to prevent multiple blocking requests if request hangs. + $last_update->last_checked = time(); + set_site_transient( 'update_themes', $last_update ); + + $request['themes'] = $themes; + + $locales = array_values( get_available_languages() ); + + /** + * Filters the locales requested for theme translations. + * + * @since 3.7.0 + * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales. + * + * @param string[] $locales Theme locales. Default is all available locales of the site. + */ + $locales = apply_filters( 'themes_update_check_locales', $locales ); + $locales = array_unique( $locales ); + + if ( $doing_cron ) { + $timeout = 30; // 30 seconds. + } else { + // Three seconds, plus one extra second for every 10 themes. + $timeout = 3 + (int) ( count( $themes ) / 10 ); + } + + $options = array( + 'timeout' => $timeout, + 'body' => array( + 'themes' => wp_json_encode( $request ), + 'translations' => wp_json_encode( $translations ), + 'locale' => wp_json_encode( $locales ), + ), + 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), + ); + + if ( $extra_stats ) { + $options['body']['update_stats'] = wp_json_encode( $extra_stats ); + } + + $url = 'http://api.wordpress.org/themes/update-check/1.1/'; + $http_url = $url; + $ssl = wp_http_supports( array( 'ssl' ) ); + + if ( $ssl ) { + $url = set_url_scheme( $url, 'https' ); + } + + $raw_response = wp_remote_post( $url, $options ); + + if ( $ssl && is_wp_error( $raw_response ) ) { + trigger_error( + sprintf( + /* translators: %s: Support forums URL. */ + __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), + __( 'https://wordpress.org/support/forums/' ) + ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), + headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE + ); + $raw_response = wp_remote_post( $http_url, $options ); + } + + if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) { + return; + } + + $new_update = new stdClass(); + $new_update->last_checked = time(); + $new_update->checked = $checked; + + $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); + + if ( is_array( $response ) ) { + $new_update->response = $response['themes']; + $new_update->no_update = $response['no_update']; + $new_update->translations = $response['translations']; + } + + // Support updates for any themes using the `Update URI` header field. + foreach ( $themes as $theme_stylesheet => $theme_data ) { + if ( ! $theme_data['UpdateURI'] || isset( $new_update->response[ $theme_stylesheet ] ) ) { + continue; + } + + $hostname = wp_parse_url( sanitize_url( $theme_data['UpdateURI'] ), PHP_URL_HOST ); + + /** + * Filters the update response for a given theme hostname. + * + * The dynamic portion of the hook name, `$hostname`, refers to the hostname + * of the URI specified in the `Update URI` header field. + * + * @since 6.1.0 + * + * @param array|false $update { + * The theme update data with the latest details. Default false. + * + * @type string $id Optional. ID of the theme for update purposes, should be a URI + * specified in the `Update URI` header field. + * @type string $theme Directory name of the theme. + * @type string $version The version of the theme. + * @type string $url The URL for details of the theme. + * @type string $package Optional. The update ZIP for the theme. + * @type string $tested Optional. The version of WordPress the theme is tested against. + * @type string $requires_php Optional. The version of PHP which the theme requires. + * @type bool $autoupdate Optional. Whether the theme should automatically update. + * @type array $translations { + * Optional. List of translation updates for the theme. + * + * @type string $language The language the translation update is for. + * @type string $version The version of the theme this translation is for. + * This is not the version of the language file. + * @type string $updated The update timestamp of the translation file. + * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. + * @type string $package The ZIP location containing the translation update. + * @type string $autoupdate Whether the translation should be automatically installed. + * } + * } + * @param array $theme_data Theme headers. + * @param string $theme_stylesheet Theme stylesheet. + * @param string[] $locales Installed locales to look up translations for. + */ + $update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales ); + + if ( ! $update ) { + continue; + } + + $update = (object) $update; + + // Is it valid? We require at least a version. + if ( ! isset( $update->version ) ) { + continue; + } + + // This should remain constant. + $update->id = $theme_data['UpdateURI']; + + // WordPress needs the version field specified as 'new_version'. + if ( ! isset( $update->new_version ) ) { + $update->new_version = $update->version; + } + + // Handle any translation updates. + if ( ! empty( $update->translations ) ) { + foreach ( $update->translations as $translation ) { + if ( isset( $translation['language'], $translation['package'] ) ) { + $translation['type'] = 'theme'; + $translation['slug'] = isset( $update->theme ) ? $update->theme : $update->id; + + $new_update->translations[] = $translation; + } + } + } + + unset( $new_update->no_update[ $theme_stylesheet ], $new_update->response[ $theme_stylesheet ] ); + + if ( version_compare( $update->new_version, $theme_data['Version'], '>' ) ) { + $new_update->response[ $theme_stylesheet ] = (array) $update; + } else { + $new_update->no_update[ $theme_stylesheet ] = (array) $update; + } + } + + set_site_transient( 'update_themes', $new_update ); +} + +/** + * Performs WordPress automatic background updates. + * + * Updates WordPress core plus any plugins and themes that have automatic updates enabled. + * + * @since 3.7.0 + */ +function wp_maybe_auto_update() { + require_once ABSPATH . 'wp-admin/includes/admin.php'; + require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; + + $upgrader = new WP_Automatic_Updater(); + $upgrader->run(); +} + +/** + * Retrieves a list of all language updates available. + * + * @since 3.7.0 + * + * @return object[] Array of translation objects that have available updates. + */ +function wp_get_translation_updates() { + $updates = array(); + $transients = array( + 'update_core' => 'core', + 'update_plugins' => 'plugin', + 'update_themes' => 'theme', + ); + + foreach ( $transients as $transient => $type ) { + $transient = get_site_transient( $transient ); + + if ( empty( $transient->translations ) ) { + continue; + } + + foreach ( $transient->translations as $translation ) { + $updates[] = (object) $translation; + } + } + + return $updates; +} + +/** + * Collects counts and UI strings for available updates. + * + * @since 3.3.0 + * + * @return array + */ +function wp_get_update_data() { + $counts = array( + 'plugins' => 0, + 'themes' => 0, + 'wordpress' => 0, + 'translations' => 0, + ); + + $plugins = current_user_can( 'update_plugins' ); + + if ( $plugins ) { + $update_plugins = get_site_transient( 'update_plugins' ); + + if ( ! empty( $update_plugins->response ) ) { + $counts['plugins'] = count( $update_plugins->response ); + } + } + + $themes = current_user_can( 'update_themes' ); + + if ( $themes ) { + $update_themes = get_site_transient( 'update_themes' ); + + if ( ! empty( $update_themes->response ) ) { + $counts['themes'] = count( $update_themes->response ); + } + } + + $core = current_user_can( 'update_core' ); + + if ( $core && function_exists( 'get_core_updates' ) ) { + $update_wordpress = get_core_updates( array( 'dismissed' => false ) ); + + if ( ! empty( $update_wordpress ) + && ! in_array( $update_wordpress[0]->response, array( 'development', 'latest' ), true ) + && current_user_can( 'update_core' ) + ) { + $counts['wordpress'] = 1; + } + } + + if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() ) { + $counts['translations'] = 1; + } + + $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations']; + $titles = array(); + + if ( $counts['wordpress'] ) { + /* translators: %d: Number of available WordPress updates. */ + $titles['wordpress'] = sprintf( __( '%d WordPress Update' ), $counts['wordpress'] ); + } + + if ( $counts['plugins'] ) { + /* translators: %d: Number of available plugin updates. */ + $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] ); + } + + if ( $counts['themes'] ) { + /* translators: %d: Number of available theme updates. */ + $titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] ); + } + + if ( $counts['translations'] ) { + $titles['translations'] = __( 'Translation Updates' ); + } + + $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : ''; + + $update_data = array( + 'counts' => $counts, + 'title' => $update_title, + ); + /** + * Filters the returned array of update data for plugins, themes, and WordPress core. + * + * @since 3.5.0 + * + * @param array $update_data { + * Fetched update data. + * + * @type array $counts An array of counts for available plugin, theme, and WordPress updates. + * @type string $update_title Titles of available updates. + * } + * @param array $titles An array of update counts and UI strings for available updates. + */ + return apply_filters( 'wp_get_update_data', $update_data, $titles ); +} + +/** + * Determines whether core should be updated. + * + * @since 2.8.0 + * + * @global string $wp_version The WordPress version string. + */ +function _maybe_update_core() { + // Include an unmodified $wp_version. + require ABSPATH . WPINC . '/version.php'; + + $current = get_site_transient( 'update_core' ); + + if ( isset( $current->last_checked, $current->version_checked ) + && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) + && $current->version_checked === $wp_version + ) { + return; + } + + wp_version_check(); +} +/** + * Checks the last time plugins were run before checking plugin versions. + * + * This might have been backported to WordPress 2.6.1 for performance reasons. + * This is used for the wp-admin to check only so often instead of every page + * load. + * + * @since 2.7.0 + * @access private + */ +function _maybe_update_plugins() { + $current = get_site_transient( 'update_plugins' ); + + if ( isset( $current->last_checked ) + && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) + ) { + return; + } + + wp_update_plugins(); +} + +/** + * Checks themes versions only after a duration of time. + * + * This is for performance reasons to make sure that on the theme version + * checker is not run on every page load. + * + * @since 2.7.0 + * @access private + */ +function _maybe_update_themes() { + $current = get_site_transient( 'update_themes' ); + + if ( isset( $current->last_checked ) + && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) + ) { + return; + } + + wp_update_themes(); +} + +/** + * Schedules core, theme, and plugin update checks. + * + * @since 3.1.0 + */ +function wp_schedule_update_checks() { + if ( ! wp_next_scheduled( 'wp_version_check' ) && ! wp_installing() ) { + wp_schedule_event( time(), 'twicedaily', 'wp_version_check' ); + } + + if ( ! wp_next_scheduled( 'wp_update_plugins' ) && ! wp_installing() ) { + wp_schedule_event( time(), 'twicedaily', 'wp_update_plugins' ); + } + + if ( ! wp_next_scheduled( 'wp_update_themes' ) && ! wp_installing() ) { + wp_schedule_event( time(), 'twicedaily', 'wp_update_themes' ); + } +} + +/** + * Clears existing update caches for plugins, themes, and core. + * + * @since 4.1.0 + */ +function wp_clean_update_cache() { + if ( function_exists( 'wp_clean_plugins_cache' ) ) { + wp_clean_plugins_cache(); + } else { + delete_site_transient( 'update_plugins' ); + } + + wp_clean_themes_cache(); + + delete_site_transient( 'update_core' ); +} + +/** + * Schedules the removal of all contents in the temporary backup directory. + * + * @since 6.3.0 + */ +function wp_delete_all_temp_backups() { + /* + * Check if there is a lock, or if currently performing an Ajax request, + * in which case there is a chance an update is running. + * Reschedule for an hour from now and exit early. + */ + if ( get_option( 'core_updater.lock' ) || get_option( 'auto_updater.lock' ) || wp_doing_ajax() ) { + wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_delete_temp_updater_backups' ); + return; + } + + // This action runs on shutdown to make sure there are no plugin updates currently running. + add_action( 'shutdown', '_wp_delete_all_temp_backups' ); +} + +/** + * Deletes all contents in the temporary backup directory. + * + * @since 6.3.0 + * + * @access private + * + * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. + * + * @return void|WP_Error Void on success, or a WP_Error object on failure. + */ +function _wp_delete_all_temp_backups() { + global $wp_filesystem; + + if ( ! function_exists( 'WP_Filesystem' ) ) { + require_once ABSPATH . '/wp-admin/includes/file.php'; + } + + ob_start(); + $credentials = request_filesystem_credentials( '' ); + ob_end_clean(); + + if ( false === $credentials || ! WP_Filesystem( $credentials ) ) { + return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); + } + + if ( ! $wp_filesystem->wp_content_dir() ) { + return new WP_Error( + 'fs_no_content_dir', + /* translators: %s: Directory name. */ + sprintf( __( 'Unable to locate WordPress content directory (%s).' ), 'wp-content' ) + ); + } + + $temp_backup_dir = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/'; + $dirlist = $wp_filesystem->dirlist( $temp_backup_dir ); + $dirlist = $dirlist ? $dirlist : array(); + + foreach ( array_keys( $dirlist ) as $dir ) { + if ( '.' === $dir || '..' === $dir ) { + continue; + } + + $wp_filesystem->delete( $temp_backup_dir . $dir, true ); + } +} + +if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) { + return; +} + +add_action( 'admin_init', '_maybe_update_core' ); +add_action( 'wp_version_check', 'wp_version_check' ); + +add_action( 'load-plugins.php', 'wp_update_plugins' ); +add_action( 'load-update.php', 'wp_update_plugins' ); +add_action( 'load-update-core.php', 'wp_update_plugins' ); +add_action( 'admin_init', '_maybe_update_plugins' ); +add_action( 'wp_update_plugins', 'wp_update_plugins' ); + +add_action( 'load-themes.php', 'wp_update_themes' ); +add_action( 'load-update.php', 'wp_update_themes' ); +add_action( 'load-update-core.php', 'wp_update_themes' ); +add_action( 'admin_init', '_maybe_update_themes' ); +add_action( 'wp_update_themes', 'wp_update_themes' ); + +add_action( 'update_option_WPLANG', 'wp_clean_update_cache', 10, 0 ); + +add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' ); + +add_action( 'init', 'wp_schedule_update_checks' ); + +add_action( 'wp_delete_temp_updater_backups', 'wp_delete_all_temp_backups' ); -- cgit v1.2.3