mirror of
https://github.com/WordPress/WordPress.git
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c0752626de
git-svn-id: http://svn.automattic.com/wordpress/trunk@11585 1a063a9b-81f0-0310-95a4-ce76da25c4cd
314 lines
9.6 KiB
PHP
314 lines
9.6 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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* @package WordPress
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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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* @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() {
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if ( defined('WP_INSTALLING') )
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return;
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global $wp_version, $wpdb, $wp_local_package;
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$php_version = phpversion();
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$current = get_transient( 'update_core' );
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if ( ! is_object($current) ) {
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$current = new stdClass;
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$current->updates = array();
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$current->version_checked = $wp_version;
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}
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$locale = apply_filters( 'core_version_check_locale', get_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_transient( 'update_core', $current );
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if ( method_exists( $wpdb, 'db_version' ) )
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$mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version($wpdb->users));
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else
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$mysql_version = 'N/A';
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$local_package = isset( $wp_local_package )? $wp_local_package : '';
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$url = "http://api.wordpress.org/core/version-check/1.3/?version=$wp_version&php=$php_version&locale=$locale&mysql=$mysql_version&local_package=$local_package";
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$options = array(
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'timeout' => 3,
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$response = wp_remote_get($url, $options);
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if ( is_wp_error( $response ) )
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return false;
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if ( 200 != $response['response']['code'] )
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return false;
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$body = trim( $response['body'] );
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$body = str_replace(array("\r\n", "\r"), "\n", $body);
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$new_options = array();
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foreach( explode( "\n\n", $body ) as $entry) {
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$returns = explode("\n", $entry);
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$new_option = new stdClass();
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$new_option->response = esc_attr( $returns[0] );
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if ( isset( $returns[1] ) )
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$new_option->url = esc_url( $returns[1] );
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if ( isset( $returns[2] ) )
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$new_option->package = esc_url( $returns[2] );
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if ( isset( $returns[3] ) )
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$new_option->current = esc_attr( $returns[3] );
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if ( isset( $returns[4] ) )
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$new_option->locale = esc_attr( $returns[4] );
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$new_options[] = $new_option;
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}
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$updates = new stdClass();
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$updates->updates = $new_options;
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$updates->last_checked = time();
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$updates->version_checked = $wp_version;
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set_transient( 'update_core', $updates);
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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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* @package WordPress
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* @since 2.3.0
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* @uses $wp_version Used to notidy the WordPress version.
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*
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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() {
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global $wp_version;
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if ( defined('WP_INSTALLING') )
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return false;
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( !function_exists( 'get_plugins' ) )
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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$plugins = get_plugins();
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$active = get_option( 'active_plugins' );
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$current = get_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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$timeout = 'load-plugins.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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$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 in the last 12 hours and if nothing has changed
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if ( $time_not_changed && !$plugin_changed )
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return false;
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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_transient( 'update_plugins', $current );
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$to_send = (object)compact('plugins', 'active');
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$options = array(
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'timeout' => 3,
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'body' => array( 'plugins' => serialize( $to_send ) ),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$raw_response = wp_remote_post('http://api.wordpress.org/plugins/update-check/1.0/', $options);
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if ( is_wp_error( $raw_response ) )
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return false;
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if( 200 != $raw_response['response']['code'] )
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return false;
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$response = unserialize( $raw_response['body'] );
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if ( false !== $response )
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$new_option->response = $response;
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else
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$new_option->response = array();
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set_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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* @package WordPress
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* @since 2.7.0
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* @uses $wp_version Used to notidy the WordPress version.
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*
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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( ) {
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global $wp_version;
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if( defined( 'WP_INSTALLING' ) )
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return false;
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if( !function_exists( 'get_themes' ) )
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require_once( ABSPATH . 'wp-includes/theme.php' );
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$installed_themes = get_themes( );
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$current_theme = get_transient( 'update_themes' );
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if ( ! is_object($current_theme) )
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$current_theme = new stdClass;
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$new_option = new stdClass;
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$new_option->last_checked = time( );
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$timeout = 'load-themes.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
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$time_not_changed = isset( $current_theme->last_checked ) && $timeout > ( time( ) - $current_theme->last_checked );
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if( $time_not_changed )
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return false;
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$current_theme->last_checked = time();
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set_transient( 'update_themes', $current_theme );
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$current_theme->template = get_option( 'template' );
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$themes = array( );
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$themes['current_theme'] = (array) $current_theme;
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foreach( (array) $installed_themes as $theme_title => $theme ) {
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$themes[$theme['Stylesheet']] = array( );
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foreach( (array) $theme as $key => $value ) {
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$themes[$theme['Stylesheet']][$key] = $value;
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}
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}
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$options = array(
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'timeout' => 3,
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'body' => array( 'themes' => serialize( $themes ) ),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$raw_response = wp_remote_post( 'http://api.wordpress.org/themes/update-check/1.0/', $options );
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if( is_wp_error( $raw_response ) )
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return false;
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if( 200 != $raw_response['response']['code'] )
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return false;
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$response = unserialize( $raw_response['body'] );
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if( $response )
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$new_option->response = $response;
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set_transient( 'update_themes', $new_option );
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}
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function _maybe_update_core() {
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global $wp_version;
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$current = get_transient( 'update_core' );
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if ( isset( $current->last_checked ) &&
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43200 > ( time() - $current->last_checked ) &&
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isset( $current->version_checked ) &&
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$current->version_checked == $wp_version )
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return;
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wp_version_check();
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}
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/**
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* Check the last time plugins were run before checking plugin versions.
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*
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* This might have been backported to WordPress 2.6.1 for performance reasons.
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* This is used for the wp-admin to check only so often instead of every page
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* load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_plugins() {
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$current = get_transient( 'update_plugins' );
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if ( isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ) )
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return;
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wp_update_plugins();
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}
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/**
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* Check themes versions only after a duration of time.
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*
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* This is for performance reasons to make sure that on the theme version
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* checker is not run on every page load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_themes( ) {
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$current = get_transient( 'update_themes' );
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if( isset( $current->last_checked ) && 43200 > ( time( ) - $current->last_checked ) )
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return;
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wp_update_themes( );
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}
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add_action( 'admin_init', '_maybe_update_core' );
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add_action( 'wp_version_check', 'wp_version_check' );
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add_action( 'load-plugins.php', 'wp_update_plugins' );
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add_action( 'load-update.php', 'wp_update_plugins' );
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add_action( 'admin_init', '_maybe_update_plugins' );
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add_action( 'wp_update_plugins', 'wp_update_plugins' );
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add_action( 'load-themes.php', 'wp_update_themes' );
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add_action( 'load-update.php', 'wp_update_themes' );
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add_action( 'admin_init', '_maybe_update_themes' );
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add_action( 'wp_update_themes', 'wp_update_themes' );
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if ( !wp_next_scheduled('wp_version_check') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
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if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
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if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
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?>
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