X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3e7fab96d7874067884348df10bbdcdefa4a89ad..542cf06a610bc430421351ace7a2cc45f393b990:/wp-includes/update.php

diff --git a/wp-includes/update.php b/wp-includes/update.php
index 53f79590..1502a4c0 100644
--- a/wp-includes/update.php
+++ b/wp-includes/update.php
@@ -1,54 +1,361 @@
 <?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 $wp_version, $wpdb, $wp_local_package;
 	$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;
+	}
 
-	if (
-		isset( $current->last_checked ) &&
-		43200 > ( time() - $current->last_checked ) &&
-		$current->version_checked == $wp_version
-	)
-		return false;
+	$locale = apply_filters( 'core_version_check_locale', get_locale() );
 
-	$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;
+	// Update last_checked for current to prevent multiple blocking requests if request hangs
+	$current->last_checked = time();
+	set_site_transient( 'update_core', $current );
 
-	$http_request  = "GET /core/version-check/1.0/?version=$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";
+	if ( method_exists( $wpdb, 'db_version' ) )
+		$mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version());
+	else
+		$mysql_version = 'N/A';
 
-	$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 );
+	$num_blogs = 1;
+	$wp_install = home_url( '/' );
+	$multisite_enabled = 0;
+	$user_count = count_users( );
+	if ( is_multisite( ) ) {
+		$num_blogs = get_blog_count( );
+		$wp_install = network_site_url( );
+		$multisite_enabled = 1;
+	}
 
-		$response = explode("\r\n\r\n", $response, 2);
-		$body = trim( $response[1] );
-		$body = str_replace(array("\r\n", "\r"), "\n", $body);
+	$local_package = isset( $wp_local_package )? $wp_local_package : '';
+	$url = "http://api.wordpress.org/core/version-check/1.5/?version=$wp_version&php=$php_version&locale=$locale&mysql=$mysql_version&local_package=$local_package&blogs=$num_blogs&users={$user_count['total_users']}&multisite_enabled=$multisite_enabled";
 
-		$returns = explode("\n", $body);
+	$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 ) )
+		return false;
+
+	if ( 200 != $response['response']['code'] )
+		return false;
 
-		$new_option->response = $returns[0];
+	$body = trim( $response['body'] );
+	$body = str_replace(array("\r\n", "\r"), "\n", $body);
+	$new_options = array();
+	foreach ( explode( "\n\n", $body ) as $entry ) {
+		$returns = explode("\n", $entry);
+		$new_option = new stdClass();
+		$new_option->response = esc_attr( $returns[0] );
 		if ( isset( $returns[1] ) )
-			$new_option->url = $returns[1];
+			$new_option->url = esc_url( $returns[1] );
+		if ( isset( $returns[2] ) )
+			$new_option->package = esc_url( $returns[2] );
+		if ( isset( $returns[3] ) )
+			$new_option->current = esc_attr( $returns[3] );
+		if ( isset( $returns[4] ) )
+			$new_option->locale = esc_attr( $returns[4] );
+		if ( isset( $returns[5] ) )
+			$new_option->php_version = esc_attr( $returns[5] );
+		if ( isset( $returns[6] ) )
+			$new_option->mysql_version = esc_attr( $returns[6] );
+		$new_options[] = $new_option;
+	}
+
+	$updates = new stdClass();
+	$updates->updates = $new_options;
+	$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 notidy the WordPress version.
+ *
+ * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
+ */
+function wp_update_plugins() {
+	global $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();
+	$timeout = 'load-plugins.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
+	$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
+
+	$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 in the last 12 hours and if nothing has changed
+	if ( $time_not_changed && !$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 ) )
+		return false;
+
+	if ( 200 != $raw_response['response']['code'] )
+		return false;
+
+	$response = unserialize( $raw_response['body'] );
+
+	if ( false !== $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 notidy the WordPress version.
+ *
+ * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
+ */
+function wp_update_themes( ) {
+	global $wp_version;
+
+	if ( defined( 'WP_INSTALLING' ) )
+		return false;
+
+	if ( !function_exists( 'get_themes' ) )
+		require_once( ABSPATH . 'wp-includes/theme.php' );
+
+	$installed_themes = get_themes( );
+	$last_update = get_site_transient( 'update_themes' );
+	if ( ! is_object($last_update) )
+		$last_update = new stdClass;
+
+	$timeout = 'load-themes.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
+	$time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time( ) - $last_update->last_checked );
+
+	$themes = array();
+	$checked = array();
+	$exclude_fields = array('Template Files', 'Stylesheet Files', 'Status', 'Theme Root', 'Theme Root URI', 'Template Dir', 'Stylesheet Dir', 'Description', 'Tags', 'Screenshot');
+
+	// Put slug of current theme into request.
+	$themes['current_theme'] = get_option( 'stylesheet' );
+
+	foreach ( (array) $installed_themes as $theme_title => $theme ) {
+		$themes[$theme['Stylesheet']] = array();
+		$checked[$theme['Stylesheet']] = $theme['Version'];
+
+		$themes[$theme['Stylesheet']]['Name'] = $theme['Name'];
+		$themes[$theme['Stylesheet']]['Version'] = $theme['Version'];
+
+		foreach ( (array) $theme as $key => $value ) {
+			if ( !in_array($key, $exclude_fields) )
+				$themes[$theme['Stylesheet']][$key] = $value;
+		}
+	}
+
+	$theme_changed = false;
+	foreach ( $checked as $slug => $v ) {
+		$update_request->checked[ $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;
+			}
+		}
+	}
+
+	if ( $time_not_changed && !$theme_changed )
+		return false;
+
+	// 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 ) )
+		return false;
+
+	if ( 200 != $raw_response['response']['code'] )
+		return false;
+
+	$new_update = new stdClass;
+	$new_update->last_checked = time( );
+	$response = unserialize( $raw_response['body'] );
+	if ( $response ) {
+		$new_update->checked = $checked;
+		$new_update->response = $response;
 	}
-	update_option( 'update_core', $new_option );
+
+	set_site_transient( 'update_themes', $new_update );
+}
+
+function _maybe_update_core() {
+	global $wp_version;
+
+	$current = get_site_transient( 'update_core' );
+
+	if ( isset( $current->last_checked ) &&
+		43200 > ( 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 ) && 43200 > ( 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 ) && 43200 > ( time( ) - $current->last_checked ) )
+		return;
+
+	wp_update_themes();
+}
+
+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' );
+
+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');
 
-add_action( 'init', 'wp_version_check' );
+if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
+	wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
 
-?>
\ No newline at end of file
+?>