mirror of
https://github.com/WordPress/WordPress.git
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git-svn-id: http://svn.automattic.com/wordpress/trunk@8516 1a063a9b-81f0-0310-95a4-ce76da25c4cd
173 lines
5.2 KiB
PHP
173 lines
5.2 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
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*/
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/**
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* Check WordPress version against the newest version. *
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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
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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 $wp_version;
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$php_version = phpversion();
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$current = get_option( 'update_core' );
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$locale = get_locale();
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if (
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isset( $current->last_checked ) &&
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43200 > ( time() - $current->last_checked ) &&
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$current->version_checked == $wp_version
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)
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return false;
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$new_option = '';
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$new_option->last_checked = time(); // this gets set whether we get a response or not, so if something is down or misconfigured it won't delay the page load for more than 3 seconds, twice a day
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$new_option->version_checked = $wp_version;
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$url = "http://api.wordpress.org/core/version-check/1.1/?version=$wp_version&php=$php_version&locale=$locale";
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$options = array('timeout' => 3);
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$headers = array(
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'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option('blog_charset'),
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'User-Agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo('url')
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);
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$response = wp_remote_request($url, $options, $headers);
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if( 200 != $response['response']['code'] )
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return false;
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$body = $response['body'];
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$body = trim( $response[1] );
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$body = str_replace(array("\r\n", "\r"), "\n", $body);
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$returns = explode("\n", $body);
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$new_option->response = attribute_escape( $returns[0] );
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if ( isset( $returns[1] ) )
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$new_option->url = clean_url( $returns[1] );
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if ( isset( $returns[2] ) )
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$new_option->current = attribute_escape( $returns[2] );
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update_option( 'update_core', $new_option );
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}
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add_action( 'init', 'wp_version_check' );
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/**
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* wp_update_plugins() - 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 all plugins installed.
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* Checks against the WordPress server at api.wordpress.org.
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* Will only check if PHP has fsockopen enabled and WordPress isn't installing.
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*
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* @package WordPress
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* @since 2.3
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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 $wp_version;
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if ( !function_exists('fsockopen') || defined('WP_INSTALLING') )
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return false;
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( !function_exists( 'get_plugins' ) )
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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$plugins = get_plugins();
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$active = get_option( 'active_plugins' );
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$current = get_option( 'update_plugins' );
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$new_option = '';
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$new_option->last_checked = time();
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$time_not_changed = isset( $current->last_checked ) && 43200 > ( 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[ $file ] ) ) {
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$plugin_changed = true;
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continue;
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}
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if ( strval($current->checked[ $file ]) !== strval($p['Version']) )
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$plugin_changed = true;
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}
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foreach ( (array) $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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}
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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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$to_send->plugins = $plugins;
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$to_send->active = $active;
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$send = serialize( $to_send );
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$request = 'plugins=' . urlencode( $send );
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$http_request = "POST /plugins/update-check/1.0/ HTTP/1.0\r\n";
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$http_request .= "Host: api.wordpress.org\r\n";
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$http_request .= "Content-Type: application/x-www-form-urlencoded; charset=" . get_option('blog_charset') . "\r\n";
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$http_request .= "Content-Length: " . strlen($request) . "\r\n";
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$http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n";
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$http_request .= "\r\n";
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$http_request .= $request;
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$response = '';
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if( false != ( $fs = @fsockopen( 'api.wordpress.org', 80, $errno, $errstr, 3) ) && is_resource($fs) ) {
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fwrite($fs, $http_request);
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while ( !feof($fs) )
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$response .= fgets($fs, 1160); // One TCP-IP packet
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fclose($fs);
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$response = explode("\r\n\r\n", $response, 2);
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}
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$response = unserialize( $response[1] );
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if ( $response )
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$new_option->response = $response;
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update_option( 'update_plugins', $new_option );
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}
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function _maybe_update_plugins() {
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$current = get_option( '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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add_action( 'load-plugins.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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if ( !wp_next_scheduled('wp_update_plugins') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
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?>
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