653 lines
22 KiB
PHP
653 lines
22 KiB
PHP
<?php
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/**
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* A simple set of functions to check our version 1.0 update service.
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*
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* @package WordPress
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* @since 2.3.0
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*/
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/**
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* Check WordPress version against the newest version.
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*
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* The WordPress version, PHP version, and Locale is sent. Checks against the
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* WordPress server at api.wordpress.org server. Will only check if WordPress
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* isn't installing.
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*
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* @since 2.3.0
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* @uses $wp_version Used to check against the newest WordPress version.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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* @param bool $force_check Whether to bypass the transient cache and force a fresh update check. Defaults to false, true if $extra_stats is set.
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_version_check( $extra_stats = array(), $force_check = false ) {
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if ( defined('WP_INSTALLING') )
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return;
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global $wpdb, $wp_local_package;
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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$php_version = phpversion();
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$current = get_site_transient( 'update_core' );
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$translations = wp_get_installed_translations( 'core' );
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// Invalidate the transient when $wp_version changes
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if ( is_object( $current ) && $wp_version != $current->version_checked )
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$current = false;
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if ( ! is_object($current) ) {
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$current = new stdClass;
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$current->updates = array();
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$current->version_checked = $wp_version;
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}
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if ( ! empty( $extra_stats ) )
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$force_check = true;
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// Wait 60 seconds between multiple version check requests
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$timeout = 60;
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( ! $force_check && $time_not_changed )
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return false;
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$locale = get_locale();
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/**
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* Filter the locale requested for WordPress core translations.
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*
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* @since 2.8.0
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*
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* @param string $locale Current locale.
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*/
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$locale = apply_filters( 'core_version_check_locale', $locale );
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$current->last_checked = time();
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set_site_transient( 'update_core', $current );
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if ( method_exists( $wpdb, 'db_version' ) )
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$mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version());
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else
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$mysql_version = 'N/A';
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if ( is_multisite() ) {
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$user_count = get_user_count();
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$num_blogs = get_blog_count();
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$wp_install = network_site_url();
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$multisite_enabled = 1;
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} else {
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$user_count = count_users();
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$user_count = $user_count['total_users'];
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$multisite_enabled = 0;
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$num_blogs = 1;
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$wp_install = home_url( '/' );
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}
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$query = array(
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'version' => $wp_version,
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'php' => $php_version,
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'locale' => $locale,
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'mysql' => $mysql_version,
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'local_package' => isset( $wp_local_package ) ? $wp_local_package : '',
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'blogs' => $num_blogs,
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'users' => $user_count,
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'multisite_enabled' => $multisite_enabled,
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);
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$post_body = array(
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'translations' => json_encode( $translations ),
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);
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if ( is_array( $extra_stats ) )
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$post_body = array_merge( $post_body, $extra_stats );
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$url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
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if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
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$url = set_url_scheme( $url, 'https' );
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
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'headers' => array(
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'wp_install' => $wp_install,
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'wp_blog' => home_url( '/' )
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),
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'body' => $post_body,
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);
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$response = wp_remote_post( $url, $options );
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if ( $ssl && is_wp_error( $response ) ) {
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trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$response = wp_remote_post( $http_url, $options );
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}
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if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
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return false;
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$body = trim( wp_remote_retrieve_body( $response ) );
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$body = json_decode( $body, true );
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if ( ! is_array( $body ) || ! isset( $body['offers'] ) )
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return false;
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$offers = $body['offers'];
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foreach ( $offers as &$offer ) {
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foreach ( $offer as $offer_key => $value ) {
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if ( 'packages' == $offer_key )
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$offer['packages'] = (object) array_intersect_key( array_map( 'esc_url', $offer['packages'] ),
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array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' ) );
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elseif ( 'download' == $offer_key )
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$offer['download'] = esc_url( $value );
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else
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$offer[ $offer_key ] = esc_html( $value );
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}
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$offer = (object) array_intersect_key( $offer, array_fill_keys( array( 'response', 'download', 'locale',
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'packages', 'current', 'version', 'php_version', 'mysql_version', 'new_bundled', 'partial_version', 'notify_email', 'support_email' ), '' ) );
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}
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$updates = new stdClass();
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$updates->updates = $offers;
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$updates->last_checked = time();
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$updates->version_checked = $wp_version;
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if ( isset( $body['translations'] ) )
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$updates->translations = $body['translations'];
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set_site_transient( 'update_core', $updates );
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if ( ! empty( $body['ttl'] ) ) {
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$ttl = (int) $body['ttl'];
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if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) {
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// Queue an event to re-run the update check in $ttl seconds.
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wp_schedule_single_event( time() + $ttl, 'wp_version_check' );
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}
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}
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// Trigger a background updates check if running non-interactively, and we weren't called from the update handler.
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if ( defined( 'DOING_CRON' ) && DOING_CRON && ! doing_action( 'wp_maybe_auto_update' ) ) {
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do_action( 'wp_maybe_auto_update' );
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}
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}
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/**
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* Check plugin versions against the latest versions hosted on WordPress.org.
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*
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* The WordPress version, PHP version, and Locale is sent along with a list of
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* all plugins installed. Checks against the WordPress server at
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* api.wordpress.org. Will only check if WordPress isn't installing.
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*
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* @since 2.3.0
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* @uses $wp_version Used to notify the WordPress version.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_plugins( $extra_stats = array() ) {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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if ( defined('WP_INSTALLING') )
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return false;
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( !function_exists( 'get_plugins' ) )
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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$plugins = get_plugins();
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$translations = wp_get_installed_translations( 'plugins' );
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$active = get_option( 'active_plugins', array() );
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$current = get_site_transient( 'update_plugins' );
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if ( ! is_object($current) )
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$current = new stdClass;
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$new_option = new stdClass;
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$new_option->last_checked = time();
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// Check for update on a different schedule, depending on the page.
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switch ( current_filter() ) {
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case 'upgrader_process_complete' :
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$timeout = 0;
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break;
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case 'load-update-core.php' :
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$timeout = MINUTE_IN_SECONDS;
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break;
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case 'load-plugins.php' :
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case 'load-update.php' :
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$timeout = HOUR_IN_SECONDS;
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break;
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default :
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if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
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$timeout = 0;
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} else {
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$timeout = 12 * HOUR_IN_SECONDS;
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}
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}
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( $time_not_changed && ! $extra_stats ) {
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$plugin_changed = false;
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foreach ( $plugins as $file => $p ) {
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$new_option->checked[ $file ] = $p['Version'];
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if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($p['Version']) )
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$plugin_changed = true;
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}
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if ( isset ( $current->response ) && is_array( $current->response ) ) {
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foreach ( $current->response as $plugin_file => $update_details ) {
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if ( ! isset($plugins[ $plugin_file ]) ) {
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$plugin_changed = true;
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break;
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}
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}
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}
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// Bail if we've checked recently and if nothing has changed
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if ( ! $plugin_changed )
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return false;
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}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$current->last_checked = time();
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set_site_transient( 'update_plugins', $current );
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$to_send = compact( 'plugins', 'active' );
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$locales = array( get_locale() );
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/**
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* Filter the locales requested for plugin translations.
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*
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* @since 3.7.0
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*
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* @param array $locales Plugin locale. Default is current locale of the site.
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*/
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$locales = apply_filters( 'plugins_update_check_locales', $locales );
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
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'body' => array(
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'plugins' => json_encode( $to_send ),
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'translations' => json_encode( $translations ),
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'locale' => json_encode( $locales ),
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),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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if ( $extra_stats ) {
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$options['body']['update_stats'] = json_encode( $extra_stats );
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}
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$url = $http_url = 'http://api.wordpress.org/plugins/update-check/1.1/';
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if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
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$url = set_url_scheme( $url, 'https' );
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$raw_response = wp_remote_post( $url, $options );
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if ( $ssl && is_wp_error( $raw_response ) ) {
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trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$raw_response = wp_remote_post( $http_url, $options );
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}
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if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
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return false;
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$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
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foreach ( $response['plugins'] as &$plugin ) {
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$plugin = (object) $plugin;
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}
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unset( $plugin );
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if ( is_array( $response ) ) {
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$new_option->response = $response['plugins'];
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$new_option->translations = $response['translations'];
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} else {
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$new_option->response = array();
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$new_option->translations = array();
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}
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set_site_transient( 'update_plugins', $new_option );
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}
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/**
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* Check theme versions against the latest versions hosted on WordPress.org.
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*
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* A list of all themes installed in sent to WP. Checks against the
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* WordPress server at api.wordpress.org. Will only check if WordPress isn't
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* installing.
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*
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* @since 2.7.0
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* @uses $wp_version Used to notify the WordPress version.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_themes( $extra_stats = array() ) {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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if ( defined( 'WP_INSTALLING' ) )
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return false;
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$installed_themes = wp_get_themes();
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$translations = wp_get_installed_translations( 'themes' );
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$last_update = get_site_transient( 'update_themes' );
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if ( ! is_object($last_update) )
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$last_update = new stdClass;
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$themes = $checked = $request = array();
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// Put slug of current theme into request.
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$request['active'] = get_option( 'stylesheet' );
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foreach ( $installed_themes as $theme ) {
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$checked[ $theme->get_stylesheet() ] = $theme->get('Version');
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$themes[ $theme->get_stylesheet() ] = array(
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'Name' => $theme->get('Name'),
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'Title' => $theme->get('Name'),
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'Version' => $theme->get('Version'),
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'Author' => $theme->get('Author'),
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'Author URI' => $theme->get('AuthorURI'),
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'Template' => $theme->get_template(),
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'Stylesheet' => $theme->get_stylesheet(),
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);
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}
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// Check for update on a different schedule, depending on the page.
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switch ( current_filter() ) {
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case 'upgrader_process_complete' :
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$timeout = 0;
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break;
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case 'load-update-core.php' :
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$timeout = MINUTE_IN_SECONDS;
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break;
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case 'load-themes.php' :
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case 'load-update.php' :
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$timeout = HOUR_IN_SECONDS;
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break;
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default :
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if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
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$timeout = 0;
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} else {
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$timeout = 12 * HOUR_IN_SECONDS;
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}
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}
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$time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked );
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if ( $time_not_changed && ! $extra_stats ) {
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$theme_changed = false;
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foreach ( $checked as $slug => $v ) {
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if ( !isset( $last_update->checked[ $slug ] ) || strval($last_update->checked[ $slug ]) !== strval($v) )
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$theme_changed = true;
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}
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if ( isset ( $last_update->response ) && is_array( $last_update->response ) ) {
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foreach ( $last_update->response as $slug => $update_details ) {
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if ( ! isset($checked[ $slug ]) ) {
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$theme_changed = true;
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break;
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}
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}
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}
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// Bail if we've checked recently and if nothing has changed
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if ( ! $theme_changed )
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return false;
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}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$last_update->last_checked = time();
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set_site_transient( 'update_themes', $last_update );
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$request['themes'] = $themes;
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$locales = array( get_locale() );
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/**
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* Filter the locales requested for theme translations.
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*
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* @since 3.7.0
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*
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* @param array $locales Theme locale. Default is current locale of the site.
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*/
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$locales = apply_filters( 'themes_update_check_locales', $locales );
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
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'body' => array(
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'themes' => json_encode( $request ),
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'translations' => json_encode( $translations ),
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'locale' => json_encode( $locales ),
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),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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if ( $extra_stats ) {
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$options['body']['update_stats'] = json_encode( $extra_stats );
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}
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$url = $http_url = 'http://api.wordpress.org/themes/update-check/1.1/';
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if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
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$url = set_url_scheme( $url, 'https' );
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$raw_response = wp_remote_post( $url, $options );
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if ( $ssl && is_wp_error( $raw_response ) ) {
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trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$raw_response = wp_remote_post( $http_url, $options );
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}
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if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
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return false;
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$new_update = new stdClass;
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$new_update->last_checked = time();
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$new_update->checked = $checked;
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$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
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if ( is_array( $response ) ) {
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$new_update->response = $response['themes'];
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$new_update->translations = $response['translations'];
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}
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set_site_transient( 'update_themes', $new_update );
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}
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/**
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* Performs WordPress automatic background updates.
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*
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* @since 3.7.0
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*/
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function wp_maybe_auto_update() {
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include_once ABSPATH . '/wp-admin/includes/admin.php';
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include_once ABSPATH . '/wp-admin/includes/class-wp-upgrader.php';
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$upgrader = new WP_Automatic_Updater;
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$upgrader->run();
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}
|
|
|
|
/**
|
|
* Retrieves a list of all language updates available.
|
|
*
|
|
* @since 3.7.0
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Collect 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 );
|
|
|
|
if ( $plugins = current_user_can( 'update_plugins' ) ) {
|
|
$update_plugins = get_site_transient( 'update_plugins' );
|
|
if ( ! empty( $update_plugins->response ) )
|
|
$counts['plugins'] = count( $update_plugins->response );
|
|
}
|
|
|
|
if ( $themes = current_user_can( 'update_themes' ) ) {
|
|
$update_themes = get_site_transient( 'update_themes' );
|
|
if ( ! empty( $update_themes->response ) )
|
|
$counts['themes'] = count( $update_themes->response );
|
|
}
|
|
|
|
if ( ( $core = current_user_can( 'update_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') ) && 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'] )
|
|
$titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] );
|
|
if ( $counts['plugins'] )
|
|
$titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
|
|
if ( $counts['themes'] )
|
|
$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 );
|
|
/**
|
|
* Filter 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 );
|
|
}
|
|
|
|
function _maybe_update_core() {
|
|
include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
|
|
|
|
$current = get_site_transient( 'update_core' );
|
|
|
|
if ( isset( $current->last_checked ) &&
|
|
12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) &&
|
|
isset( $current->version_checked ) &&
|
|
$current->version_checked == $wp_version )
|
|
return;
|
|
|
|
wp_version_check();
|
|
}
|
|
/**
|
|
* Check 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();
|
|
}
|
|
|
|
/**
|
|
* Check 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();
|
|
}
|
|
|
|
/**
|
|
* Schedule core, theme, and plugin update checks.
|
|
*
|
|
* @since 3.1.0
|
|
*/
|
|
function wp_schedule_update_checks() {
|
|
if ( !wp_next_scheduled('wp_version_check') && !defined('WP_INSTALLING') )
|
|
wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
|
|
|
|
if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') )
|
|
wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
|
|
|
|
if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
|
|
wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
|
|
|
|
if ( ! wp_next_scheduled( 'wp_maybe_auto_update' ) && ! defined( 'WP_INSTALLING' ) ) {
|
|
// Schedule auto updates for 7 a.m. and 7 p.m. in the timezone of the site.
|
|
$next = strtotime( 'today 7am' );
|
|
$now = time();
|
|
// Find the next instance of 7 a.m. or 7 p.m., but skip it if it is within 3 hours from now.
|
|
while ( ( $now + 3 * HOUR_IN_SECONDS ) > $next ) {
|
|
$next += 12 * HOUR_IN_SECONDS;
|
|
}
|
|
$next = $next - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
|
|
// Add a random number of minutes, so we don't have all sites trying to update exactly on the hour
|
|
$next = $next + rand( 0, 59 ) * MINUTE_IN_SECONDS;
|
|
wp_schedule_event( $next, 'twicedaily', 'wp_maybe_auto_update' );
|
|
}
|
|
}
|
|
|
|
if ( ( ! is_main_site() && ! is_network_admin() ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) )
|
|
return;
|
|
|
|
add_action( 'admin_init', '_maybe_update_core' );
|
|
add_action( 'wp_version_check', 'wp_version_check' );
|
|
add_action( 'upgrader_process_complete', 'wp_version_check', 10, 0 );
|
|
|
|
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( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 );
|
|
|
|
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( 'upgrader_process_complete', 'wp_update_themes', 10, 0 );
|
|
|
|
add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' );
|
|
|
|
add_action('init', 'wp_schedule_update_checks');
|