<?php
+/**
+ * A simple set of functions to check our version 1.0 update service.
+ *
+ * @package WordPress
+ * @since 2.3.0
+ */
-// A simple set of functions to check our version 1.0 update service
-
+/**
+ * Check WordPress version against the newest version.
+ *
+ * The WordPress version, PHP version, and Locale is sent. Checks against the
+ * WordPress server at api.wordpress.org server. Will only check if WordPress
+ * isn't installing.
+ *
+ * @package WordPress
+ * @since 2.3.0
+ * @uses $wp_version Used to check against the newest WordPress version.
+ *
+ * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
+ */
function wp_version_check() {
- if ( !function_exists('fsockopen') || strpos($_SERVER['PHP_SELF'], 'install.php') !== false || defined('WP_INSTALLING') )
+ if ( defined('WP_INSTALLING') )
return;
- global $wp_version;
+ global $wpdb, $wp_local_package;
+ include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
$php_version = phpversion();
- $current = get_option( 'update_core' );
- $locale = get_locale();
+ $current = get_site_transient( 'update_core' );
+ if ( ! is_object($current) ) {
+ $current = new stdClass;
+ $current->updates = array();
+ $current->version_checked = $wp_version;
+ }
+
+ // Wait 60 seconds between multiple version check requests
+ $timeout = 60;
+ $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
+ if ( $time_not_changed )
+ return false;
+
+ $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_version' ) )
+ $mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version());
+ else
+ $mysql_version = 'N/A';
+
+ if ( is_multisite( ) ) {
+ $user_count = get_user_count( );
+ $num_blogs = get_blog_count( );
+ $wp_install = network_site_url( );
+ $multisite_enabled = 1;
+ } else {
+ $user_count = count_users( );
+ $user_count = $user_count['total_users'];
+ $multisite_enabled = 0;
+ $num_blogs = 1;
+ $wp_install = home_url( '/' );
+ }
+
+ $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' => $user_count,
+ 'multisite_enabled' => $multisite_enabled
+ );
+
+ $url = 'http://api.wordpress.org/core/version-check/1.6/?' . http_build_query( $query, null, '&' );
+
+ $options = array(
+ 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
+ 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
+ 'headers' => array(
+ 'wp_install' => $wp_install,
+ 'wp_blog' => home_url( '/' )
+ )
+ );
+
+ $response = wp_remote_get($url, $options);
+
+ if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
+ return false;
+
+ $body = trim( wp_remote_retrieve_body( $response ) );
+ $body = maybe_unserialize( $body );
+
+ if ( ! is_array( $body ) || ! isset( $body['offers'] ) )
+ return false;
+
+ $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' ), '' ) );
+ 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', 'php_version', 'mysql_version', 'new_bundled', 'partial_version' ), '' ) );
+ }
+
+ $updates = new stdClass();
+ $updates->updates = $offers;
+ $updates->last_checked = time();
+ $updates->version_checked = $wp_version;
+ set_site_transient( 'update_core', $updates);
+}
+
+/**
+ * Check plugin versions against the latest versions hosted on WordPress.org.
+ *
+ * The WordPress version, PHP version, and Locale is sent along with a list of
+ * all plugins installed. Checks against the WordPress server at
+ * api.wordpress.org. Will only check if WordPress isn't installing.
+ *
+ * @package WordPress
+ * @since 2.3.0
+ * @uses $wp_version Used to notify the WordPress version.
+ *
+ * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
+ */
+function wp_update_plugins() {
+ include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
+
+ if ( defined('WP_INSTALLING') )
+ return false;
+
+ // 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();
+ $active = get_option( 'active_plugins', array() );
+ $current = get_site_transient( 'update_plugins' );
+ if ( ! is_object($current) )
+ $current = new stdClass;
+
+ $new_option = new stdClass;
+ $new_option->last_checked = time();
+
+ // Check for update on a different schedule, depending on the page.
+ switch ( current_filter() ) {
+ case 'load-update-core.php' :
+ $timeout = MINUTE_IN_SECONDS;
+ break;
+ case 'load-plugins.php' :
+ case 'load-update.php' :
+ $timeout = HOUR_IN_SECONDS;
+ break;
+ default :
+ $timeout = 12 * HOUR_IN_SECONDS;
+ }
+
+ $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
+
+ if ( $time_not_changed ) {
+ $plugin_changed = false;
+ foreach ( $plugins as $file => $p ) {
+ $new_option->checked[ $file ] = $p['Version'];
+
+ if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($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 false;
+ }
+
+ // 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 = (object) compact('plugins', 'active');
+
+ $options = array(
+ 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
+ 'body' => array( 'plugins' => serialize( $to_send ) ),
+ 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
+ );
+
+ $raw_response = wp_remote_post('http://api.wordpress.org/plugins/update-check/1.0/', $options);
+
+ if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
+ return false;
+
+ $response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
+
+ if ( is_array( $response ) )
+ $new_option->response = $response;
+ else
+ $new_option->response = array();
+
+ set_site_transient( 'update_plugins', $new_option );
+}
+
+/**
+ * Check theme versions against the latest versions hosted on WordPress.org.
+ *
+ * A list of all themes installed in sent to WP. Checks against the
+ * WordPress server at api.wordpress.org. Will only check if WordPress isn't
+ * installing.
+ *
+ * @package WordPress
+ * @since 2.7.0
+ * @uses $wp_version Used to notify the WordPress version.
+ *
+ * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
+ */
+function wp_update_themes() {
+ include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
- if (
- isset( $current->last_checked ) &&
- 43200 > ( time() - $current->last_checked ) &&
- $current->version_checked == $wp_version
- )
+ if ( defined( 'WP_INSTALLING' ) )
return false;
- $new_option = '';
- $new_option->last_checked = time(); // this gets set whether we get a response or not, so if something is down or misconfigured it won't delay the page load for more than 3 seconds, twice a day
- $new_option->version_checked = $wp_version;
+ $installed_themes = wp_get_themes();
+ $last_update = get_site_transient( 'update_themes' );
+ if ( ! is_object($last_update) )
+ $last_update = new stdClass;
+
+ $themes = array();
+ $checked = array();
+
+ // Put slug of current theme into request.
+ $themes['current_theme'] = 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'),
+ 'Template' => $theme->get_template(),
+ 'Stylesheet' => $theme->get_stylesheet(),
+ );
+ }
+
+ // Check for update on a different schedule, depending on the page.
+ switch ( current_filter() ) {
+ case 'load-update-core.php' :
+ $timeout = MINUTE_IN_SECONDS;
+ break;
+ case 'load-themes.php' :
+ case 'load-update.php' :
+ $timeout = HOUR_IN_SECONDS;
+ break;
+ default :
+ $timeout = 12 * HOUR_IN_SECONDS;
+ }
- $http_request = "GET /core/version-check/1.0/?version=$wp_version&php=$php_version&locale=$locale HTTP/1.0\r\n";
- $http_request .= "Host: api.wordpress.org\r\n";
- $http_request .= 'Content-Type: application/x-www-form-urlencoded; charset=' . get_option('blog_charset') . "\r\n";
- $http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n";
- $http_request .= "\r\n";
+ $time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time( ) - $last_update->last_checked );
- $response = '';
- if ( false !== ( $fs = @fsockopen( 'api.wordpress.org', 80, $errno, $errstr, 3 ) ) && is_resource($fs) ) {
- fwrite( $fs, $http_request );
- while ( !feof( $fs ) )
- $response .= fgets( $fs, 1160 ); // One TCP-IP packet
- fclose( $fs );
+ if ( $time_not_changed ) {
+ $theme_changed = false;
+ foreach ( $checked as $slug => $v ) {
+ if ( !isset( $last_update->checked[ $slug ] ) || strval($last_update->checked[ $slug ]) !== strval($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 false;
+ }
- $response = explode("\r\n\r\n", $response, 2);
- $body = trim( $response[1] );
- $body = str_replace(array("\r\n", "\r"), "\n", $body);
+ // 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 );
+
+ $options = array(
+ 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
+ 'body' => array( 'themes' => serialize( $themes ) ),
+ 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
+ );
+
+ $raw_response = wp_remote_post( 'http://api.wordpress.org/themes/update-check/1.0/', $options );
+
+ if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
+ return false;
+
+ $new_update = new stdClass;
+ $new_update->last_checked = time( );
+ $new_update->checked = $checked;
+
+ $response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
+ if ( is_array( $response ) )
+ $new_update->response = $response;
+
+ set_site_transient( 'update_themes', $new_update );
+}
+
+/*
+ * 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 );
+
+ if ( current_user_can( 'update_plugins' ) ) {
+ $update_plugins = get_site_transient( 'update_plugins' );
+ if ( ! empty( $update_plugins->response ) )
+ $counts['plugins'] = count( $update_plugins->response );
+ }
- $returns = explode("\n", $body);
+ if ( current_user_can( 'update_themes' ) ) {
+ $update_themes = get_site_transient( 'update_themes' );
+ if ( ! empty( $update_themes->response ) )
+ $counts['themes'] = count( $update_themes->response );
+ }
- $new_option->response = $returns[0];
- if ( isset( $returns[1] ) )
- $new_option->url = $returns[1];
+ if ( function_exists( 'get_core_updates' ) && current_user_can( 'update_core' ) ) {
+ $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;
}
- update_option( 'update_core', $new_option );
+
+ $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'];
+ $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'] );
+
+ $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';
+
+ return apply_filters( 'wp_get_update_data', array( 'counts' => $counts, 'title' => $update_title ), $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();
}
-add_action( 'init', 'wp_version_check' );
+/**
+ * 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 ( ( ! 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( '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' );
-?>
\ No newline at end of file
+add_action('init', 'wp_schedule_update_checks');
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff