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 ) { global $plugin_data; $current = get_option( 'update_plugins' ); if ( !isset( $current->response[ $file ] ) ) return false; $r = $current->response[ $file ]; echo ""; printf( __('There is a new version of %1$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_' . $file) ); echo ""; } add_action( 'after_plugin_row', 'wp_plugin_update_row' ); function wp_update_plugin($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 folder $base = $wp_filesystem->get_base_dir(); if ( empty($base) ) return new WP_Error('fs_nowordpress', __('Unable to locate WordPress directory.')); // 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)); $file = download_url($package); if ( !$file ) return new WP_Error('download_failed', __('Download failed.')); $working_dir = $base . 'wp-content/upgrade/' . basename($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 $result = unzip_file($file, $working_dir); if ( is_wp_error($result) ) { unlink($file); $wp_filesystem->delete($working_dir, true); return $result; } // Once installed, delete the package unlink($file); // Remove the existing plugin. apply_filters('update_feedback', __('Removing the old version of the plugin')); $plugin_dir = dirname($base . PLUGINDIR . "/$plugin"); $plugin_dir = trailingslashit($plugin_dir); // If plugin is in its own directory, recursively delete the directory. if( strpos($plugin, '/') && $plugin_dir != $base . PLUGINDIR . '/' ) $deleted = $wp_filesystem->delete($plugin_dir, true); else $deleted = $wp_filesystem->delete($base . PLUGINDIR . "/$plugin"); if ( !$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. if ( !copy_dir($working_dir, $base . PLUGINDIR) ) { //$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 new WP_Error('install_failed', __('Installation failed')); } // Remove working directory $wp_filesystem->delete($working_dir, true); // Force refresh of plugin update information delete_option('update_plugins'); } ?>