response ) { case 'development' : return sprintf( '| '.__( 'You are using a development version (%s). Cool! Please stay updated.' ), $GLOBALS['wp_version'], $cur->url, $cur->current ); break; case 'upgrade' : if ( current_user_can('manage_options') ) { return sprintf( '| '.__( 'Get Version %3$s' ).'', $GLOBALS['wp_version'], $cur->url, $cur->current ); break; } case 'latest' : default : return sprintf( '| '.__( 'Version %s' ), $GLOBALS['wp_version'], $cur->url, $cur->current ); break; } } add_filter( 'update_footer', 'core_update_footer' ); function update_nag() { $cur = get_option( 'update_core' ); if ( ! isset( $cur->response ) || $cur->response != 'upgrade' ) return false; if ( current_user_can('manage_options') ) $msg = sprintf( __('WordPress %2$s is available! Please update now.'), $cur->url, $cur->current ); else $msg = sprintf( __('WordPress %2$s is available! Please notify the site administrator.'), $cur->url, $cur->current ); echo "
$msg
"; } add_action( 'admin_notices', 'update_nag', 3 ); // Called directly from dashboard function update_right_now_message() { $cur = get_option( 'update_core' ); $msg = sprintf( __('This is WordPress version %s.'), $GLOBALS['wp_version'] ); if ( isset( $cur->response ) && $cur->response == 'upgrade' && current_user_can('manage_options') ) $msg .= " " . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . ''; echo "$msg"; } function wp_update_plugins() { global $wp_version; if ( !function_exists('fsockopen') ) return false; $plugins = get_plugins(); $active = get_option( 'active_plugins' ); $current = get_option( 'update_plugins' ); $new_option = ''; $new_option->last_checked = time(); $plugin_changed = false; foreach ( $plugins as $file => $p ) { $new_option->checked[ $file ] = $p['Version']; if ( !isset( $current->checked[ $file ] ) ) { $plugin_changed = true; continue; } if ( strval($current->checked[ $file ]) !== strval($p['Version']) ) $plugin_changed = true; } if ( isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ) && !$plugin_changed ) return false; $to_send->plugins = $plugins; $to_send->active = $active; $send = serialize( $to_send ); $request = 'plugins=' . urlencode( $send ); $http_request = "POST /plugins/update-check/1.0/ 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"; $http_request .= "Content-Length: " . strlen($request) . "\r\n"; $http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n"; $http_request .= "\r\n"; $http_request .= $request; $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); $response = explode("\r\n\r\n", $response, 2); } $response = unserialize( $response[1] ); if ( $response ) $new_option->response = $response; update_option( 'update_plugins', $new_option ); } add_action( 'load-plugins.php', 'wp_update_plugins' ); function wp_plugin_update_row( $file, $plugin_data ) { $current = get_option( 'update_plugins' ); if ( !isset( $current->response[ $file ] ) ) return false; $r = $current->response[ $file ]; echo ''; if ( !current_user_can('edit_plugins') ) printf( __('There is a new version of %1$s available. Download version %3$s here.'), $plugin_data['Name'], $r->url, $r->new_version); else if ( empty($r->package) ) printf( __('There is a new version of %1$s available. Download version %3$s here automatic upgrade unavailable for this plugin.'), $plugin_data['Name'], $r->url, $r->new_version); else printf( __('There is a new version of %1$s available. Download version %3$s here or upgrade automatically.'), $plugin_data['Name'], $r->url, $r->new_version, wp_nonce_url('update.php?action=upgrade-plugin&plugin=' . $file, 'upgrade-plugin_' . $file) ); echo ''; } add_action( 'after_plugin_row', 'wp_plugin_update_row', 10, 2 ); function wp_update_plugin($plugin, $feedback = '') { global $wp_filesystem; if ( !empty($feedback) ) add_filter('update_feedback', $feedback); // Is an update available? $current = get_option( 'update_plugins' ); if ( !isset( $current->response[ $plugin ] ) ) return new WP_Error('up_to_date', __('The plugin is at the latest version.')); // Is a filesystem accessor setup? if ( ! $wp_filesystem || ! is_object($wp_filesystem) ) WP_Filesystem(); if ( ! is_object($wp_filesystem) ) return new WP_Error('fs_unavailable', __('Could not access filesystem.')); if ( $wp_filesystem->errors->get_error_code() ) return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors); //Get the base plugin folder $plugins_dir = $wp_filesystem->wp_plugins_dir(); if ( empty($plugins_dir) ) return new WP_Error('fs_no_plugins_dir', __('Unable to locate WordPress Plugin directory.')); //And the same for the Content directory. $content_dir = $wp_filesystem->wp_content_dir(); if( empty($content_dir) ) return new WP_Error('fs_no_content_dir', __('Unable to locate WordPress Content directory (wp-content).')); $plugins_dir = trailingslashit( $plugins_dir ); $content_dir = trailingslashit( $content_dir ); // Get the URL to the zip file $r = $current->response[ $plugin ]; if ( empty($r->package) ) return new WP_Error('no_package', __('Upgrade package not available.')); // Download the package $package = $r->package; apply_filters('update_feedback', sprintf(__('Downloading update from %s'), $package)); $download_file = download_url($package); if ( is_wp_error($download_file) ) return new WP_Error('download_failed', __('Download failed.'), $download_file->get_error_message()); $working_dir = $content_dir . 'upgrade/' . basename($plugin, '.php'); // Clean up working directory if ( $wp_filesystem->is_dir($working_dir) ) $wp_filesystem->delete($working_dir, true); apply_filters('update_feedback', __('Unpacking the update')); // Unzip package to working directory $result = unzip_file($download_file, $working_dir); // Once extracted, delete the package unlink($download_file); if ( is_wp_error($result) ) { $wp_filesystem->delete($working_dir, true); return $result; } if ( is_plugin_active($plugin) ) { //Deactivate the plugin silently, Prevent deactivation hooks from running. apply_filters('update_feedback', __('Deactivating the plugin')); deactivate_plugins($plugin, true); } // Remove the existing plugin. apply_filters('update_feedback', __('Removing the old version of the plugin')); $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) ); // If plugin is in its own directory, recursively delete the directory. if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory seperator AND that its not the root plugin folder $deleted = $wp_filesystem->delete($this_plugin_dir, true); else $deleted = $wp_filesystem->delete($plugins_dir . $plugin); if ( ! $deleted ) { $wp_filesystem->delete($working_dir, true); return new WP_Error('delete_failed', __('Could not remove the old plugin')); } apply_filters('update_feedback', __('Installing the latest version')); // Copy new version of plugin into place. $result = copy_dir($working_dir, $plugins_dir); if ( is_wp_error($result) ) { //$wp_filesystem->delete($working_dir, true); //TODO: Uncomment? This DOES mean that the new files are available in the upgrade folder if it fails. return $result; } //Get a list of the directories in the working directory before we delete it, We need to know the new folder for the plugin $filelist = array_keys( $wp_filesystem->dirlist($working_dir) ); // Remove working directory $wp_filesystem->delete($working_dir, true); // Force refresh of plugin update information delete_option('update_plugins'); if( empty($filelist) ) return false; //We couldnt find any files in the working dir, therefor no plugin installed? Failsafe backup. $folder = $filelist[0]; $plugin = get_plugins('/' . $folder); //Ensure to pass with leading slash $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list return $folder . '/' . $pluginfiles[0]; } ?>