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<?php /** * WooCommerce.com Product Installation. * * @package WooCommerce\WooCommerce_Site * @since 3.7.0 / defined( 'ABSPATH' ) \|\| exit; /* * WC_WCCOM_Site_Installer Class * * Contains functionalities to install products via WooCommerce.com helper connection. / class WC_WCCOM_Site_Installer { /* * Error message returned install_package if the folder already exists. * * @var string / private static $folder_exists = 'folder_exists'; /* * Default state. * * @var array / private static $default_state = array( 'status' => 'idle', 'steps' => array(), 'current_step' => null, ); /* * Represents product step state. * * @var array / private static $default_step_state = array( 'download_url' => '', 'product_type' => '', 'last_step' => '', 'last_error' => '', 'download_path' => '', 'unpacked_path' => '', 'installed_path' => '', 'activate' => false, ); /* * Product install steps. Each step is a method name in this class that * will be passed with product ID arg \WP_Upgrader instance. * * @var array / private static $install_steps = array( 'get_product_info', 'download_product', 'unpack_product', 'move_product', 'activate_product', ); /* * Get the product install state. * * @since 3.7.0 * @param string $key Key in state data. If empty key is passed array of * state will be returned. * @return array Product install state. / public static function get_state( $key = '' ) { $state = WC_Helper_Options::get( 'product_install', self::$default_state ); if ( ! empty( $key ) ) { return isset( $state[ $key ] ) ? $state[ $key ] : null; } return $state; } /* * Update the product install state. * * @since 3.7.0 * @param string $key Key in state data. * @param mixed $value Value. / public static function update_state( $key, $value ) { $state = WC_Helper_Options::get( 'product_install', self::$default_state ); $state[ $key ] = $value; WC_Helper_Options::update( 'product_install', $state ); } /* * Reset product install state. * * @since 3.7.0 * @param array $products List of product IDs. / public static function reset_state( $products = array() ) { WC()->queue()->cancel_all( 'woocommerce_wccom_install_products' ); WC_Helper_Options::update( 'product_install', self::$default_state ); } /* * Schedule installing given list of products. * * @since 3.7.0 * @param array $products Array of products where key is product ID and * element is install args. * @return array State. / public static function schedule_install( $products ) { $state = self::get_state(); $status = ! empty( $state['status'] ) ? $state['status'] : ''; if ( 'in-progress' === $status ) { return $state; } self::update_state( 'status', 'in-progress' ); $steps = array_fill_keys( array_keys( $products ), self::$default_step_state ); self::update_state( 'steps', $steps ); self::update_state( 'current_step', null ); $args = array( 'products' => $products, ); // Clear the cache of customer's subscription before asking for them. // Thus, they will be re-fetched from WooCommerce.com after a purchase. WC_Helper::_flush_subscriptions_cache(); WC()->queue()->cancel_all( 'woocommerce_wccom_install_products', $args ); WC()->queue()->add( 'woocommerce_wccom_install_products', $args ); return self::get_state(); } /* * Install a given product IDs. * * Run via `woocommerce_wccom_install_products` hook. * * @since 3.7.0 * @param array $products Array of products where key is product ID and * element is install args. / public static function install( $products ) { require_once ABSPATH . 'wp-admin/includes/file.php'; require_once ABSPATH . 'wp-admin/includes/plugin-install.php'; require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; require_once ABSPATH . 'wp-admin/includes/plugin.php'; WP_Filesystem(); $upgrader = new WP_Upgrader( new Automatic_Upgrader_Skin() ); $upgrader->init(); wp_clean_plugins_cache(); foreach ( $products as $product_id => $install_args ) { self::install_product( $product_id, $install_args, $upgrader ); } self::finish_installation(); } /* * Finish installation by updating the state. * * @since 3.7.0 / private static function finish_installation() { $state = self::get_state(); if ( empty( $state['steps'] ) ) { return; } foreach ( $state['steps'] as $step ) { if ( ! empty( $step['last_error'] ) ) { $state['status'] = 'has_error'; break; } } if ( 'has_error' !== $state['status'] ) { $state['status'] = 'finished'; } WC_Helper_Options::update( 'product_install', $state ); } /* * Install a single product given its ID. * * @since 3.7.0 * @param int $product_id Product ID. * @param array $install_args Install args. * @param \WP_Upgrader $upgrader Core class to handle installation. / private static function install_product( $product_id, $install_args, $upgrader ) { foreach ( self::$install_steps as $step ) { self::do_install_step( $product_id, $install_args, $step, $upgrader ); } } /* * Perform product installation step. * * @since 3.7.0 * @param int $product_id Product ID. * @param array $install_args Install args. * @param string $step Installation step. * @param \WP_Upgrader $upgrader Core class to handle installation. / private static function do_install_step( $product_id, $install_args, $step, $upgrader ) { $state_steps = self::get_state( 'steps' ); if ( empty( $state_steps[ $product_id ] ) ) { $state_steps[ $product_id ] = self::$default_step_state; } if ( ! empty( $state_steps[ $product_id ]['last_error'] ) ) { return; } $state_steps[ $product_id ]['last_step'] = $step; if ( ! empty( $install_args['activate'] ) ) { $state_steps[ $product_id ]['activate'] = true; } self::update_state( 'current_step', array( 'product_id' => $product_id, 'step' => $step, ) ); $result = call_user_func( array( __CLASS__, $step ), $product_id, $upgrader ); if ( is_wp_error( $result ) ) { $state_steps[ $product_id ]['last_error'] = $result->get_error_message(); } else { switch ( $step ) { case 'get_product_info': $state_steps[ $product_id ]['download_url'] = $result['download_url']; $state_steps[ $product_id ]['product_type'] = $result['product_type']; $state_steps[ $product_id ]['product_name'] = $result['product_name']; break; case 'download_product': $state_steps[ $product_id ]['download_path'] = $result; break; case 'unpack_product': $state_steps[ $product_id ]['unpacked_path'] = $result; break; case 'move_product': $state_steps[ $product_id ]['installed_path'] = $result['destination']; if ( isset( $result[ self::$folder_exists ] ) ) { $state_steps[ $product_id ]['warning'] = array( 'message' => self::$folder_exists, 'plugin_info' => self::get_plugin_info( $state_steps[ $product_id ]['installed_path'] ), ); } break; } } self::update_state( 'steps', $state_steps ); } /* * Get product info from its ID. * * @since 3.7.0 * @param int $product_id Product ID. * @return array\|\WP_Error / private static function get_product_info( $product_id ) { $product_info = array( 'download_url' => '', 'product_type' => '', ); // Get product info from woocommerce.com. $request = WC_Helper_API::get( add_query_arg( array( 'product_id' => absint( $product_id ) ), 'info' ), array( 'authenticated' => true, ) ); if ( 200 !== wp_remote_retrieve_response_code( $request ) ) { return new WP_Error( 'product_info_failed', __( 'Failed to retrieve product info from woocommerce.com', 'woocommerce' ) ); } $result = json_decode( wp_remote_retrieve_body( $request ), true ); $product_info['product_type'] = $result['_product_type']; $product_info['product_name'] = $result['name']; if ( ! empty( $result['_wporg_product'] ) && ! empty( $result['download_link'] ) ) { // For wporg product, download is set already from info response. $product_info['download_url'] = $result['download_link']; } elseif ( ! WC_Helper::has_product_subscription( $product_id ) ) { // Non-wporg product needs subscription. return new WP_Error( 'missing_subscription', __( 'Missing product subscription', 'woocommerce' ) ); } else { // Retrieve download URL for non-wporg product. WC_Helper_Updater::flush_updates_cache(); $updates = WC_Helper_Updater::get_update_data(); if ( empty( $updates[ $product_id ]['package'] ) ) { return new WP_Error( 'missing_product_package', __( 'Could not find product package.', 'woocommerce' ) ); } $product_info['download_url'] = $updates[ $product_id ]['package']; } return $product_info; } /* * Download product by its ID and returns the path of the zip package. * * @since 3.7.0 * @param int $product_id Product ID. * @param \WP_Upgrader $upgrader Core class to handle installation. * @return \WP_Error\|string / private static function download_product( $product_id, $upgrader ) { $steps = self::get_state( 'steps' ); if ( empty( $steps[ $product_id ]['download_url'] ) ) { return new WP_Error( 'missing_download_url', __( 'Could not find download url for the product.', 'woocommerce' ) ); } return $upgrader->download_package( $steps[ $product_id ]['download_url'] ); } /* * Unpack downloaded product. * * @since 3.7.0 * @param int $product_id Product ID. * @param \WP_Upgrader $upgrader Core class to handle installation. * @return \WP_Error\|string / private static function unpack_product( $product_id, $upgrader ) { $steps = self::get_state( 'steps' ); if ( empty( $steps[ $product_id ]['download_path'] ) ) { return new WP_Error( 'missing_download_path', __( 'Could not find download path.', 'woocommerce' ) ); } return $upgrader->unpack_package( $steps[ $product_id ]['download_path'], true ); } /* * Move product to plugins directory. * * @since 3.7.0 * @param int $product_id Product ID. * @param \WP_Upgrader $upgrader Core class to handle installation. * @return array\|\WP_Error / private static function move_product( $product_id, $upgrader ) { $steps = self::get_state( 'steps' ); if ( empty( $steps[ $product_id ]['unpacked_path'] ) ) { return new WP_Error( 'missing_unpacked_path', __( 'Could not find unpacked path.', 'woocommerce' ) ); } $destination = 'plugin' === $steps[ $product_id ]['product_type'] ? WP_PLUGIN_DIR : get_theme_root(); $package = array( 'source' => $steps[ $product_id ]['unpacked_path'], 'destination' => $destination, 'clear_working' => true, 'hook_extra' => array( 'type' => $steps[ $product_id ]['product_type'], 'action' => 'install', ), ); $result = $upgrader->install_package( $package ); /* * If install package returns error 'folder_exists' threat as success. / if ( is_wp_error( $result ) && array_key_exists( self::$folder_exists, $result->errors ) ) { return array( self::$folder_exists => true, 'destination' => $result->error_data[ self::$folder_exists ], ); } return $result; } /* * Activate product given its product ID. * * @since 3.7.0 * @param int $product_id Product ID. * @return \WP_Error\|null / private static function activate_product( $product_id ) { $steps = self::get_state( 'steps' ); if ( ! $steps[ $product_id ]['activate'] ) { return null; } if ( 'plugin' === $steps[ $product_id ]['product_type'] ) { return self::activate_plugin( $product_id ); } return self::activate_theme( $product_id ); } /* * Activate plugin given its product ID. * * @since 3.7.0 * @param int $product_id Product ID. * @return \WP_Error\|null / private static function activate_plugin( $product_id ) { // Clear plugins cache used in `WC_Helper::get_local_woo_plugins`. wp_clean_plugins_cache(); $filename = false; // If product is WP.org one, find out its filename. $dir_name = self::get_wporg_product_dir_name( $product_id ); if ( false !== $dir_name ) { $filename = self::get_wporg_plugin_main_file( $dir_name ); } if ( false === $filename ) { $plugins = wp_list_filter( WC_Helper::get_local_woo_plugins(), array( '_product_id' => $product_id, ) ); $filename = is_array( $plugins ) && ! empty( $plugins ) ? key( $plugins ) : ''; } if ( empty( $filename ) ) { return new WP_Error( 'unknown_filename', __( 'Unknown product filename.', 'woocommerce' ) ); } return activate_plugin( $filename ); } /* * Activate theme given its product ID. * * @since 3.7.0 * @param int $product_id Product ID. * @return \WP_Error\|null / private static function activate_theme( $product_id ) { // Clear plugins cache used in `WC_Helper::get_local_woo_themes`. wp_clean_themes_cache(); $theme_slug = false; // If product is WP.org theme, find out its slug. $dir_name = self::get_wporg_product_dir_name( $product_id ); if ( false !== $dir_name ) { $theme_slug = basename( $dir_name ); } if ( false === $theme_slug ) { $themes = wp_list_filter( WC_Helper::get_local_woo_themes(), array( '_product_id' => $product_id, ) ); $theme_slug = is_array( $themes ) && ! empty( $themes ) ? dirname( key( $themes ) ) : ''; } if ( empty( $theme_slug ) ) { return new WP_Error( 'unknown_filename', __( 'Unknown product filename.', 'woocommerce' ) ); } return switch_theme( $theme_slug ); } /* * Get installed directory of WP.org product. * * @since 3.7.0 * @param int $product_id Product ID. * @return bool\|string / private static function get_wporg_product_dir_name( $product_id ) { $steps = self::get_state( 'steps' ); $product = $steps[ $product_id ]; if ( empty( $product['download_url'] ) \|\| empty( $product['installed_path'] ) ) { return false; } // Check whether product was downloaded from WordPress.org. $parsed_url = wp_parse_url( $product['download_url'] ); if ( ! empty( $parsed_url['host'] ) && 'downloads.wordpress.org' !== $parsed_url['host'] ) { return false; } return basename( $product['installed_path'] ); } /* * Get WP.org plugin's main file. * * @since 3.7.0 * @param string $dir Directory name of the plugin. * @return bool\|string / private static function get_wporg_plugin_main_file( $dir ) { // Ensure that exact dir name is used. $dir = trailingslashit( $dir ); if ( ! function_exists( 'get_plugins' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; } $plugins = get_plugins(); foreach ( $plugins as $path => $plugin ) { if ( 0 === strpos( $path, $dir ) ) { return $path; } } return false; } /* * Get plugin info * * @since 3.9.0 * @param string $dir Directory name of the plugin. * @return bool\|array */ private static function get_plugin_info( $dir ) { $plugin_folder = basename( $dir ); if ( ! function_exists( 'get_plugins' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; } $plugins = get_plugins(); $related_plugins = array_filter( $plugins, function( $key ) use ( $plugin_folder ) { return strpos( $key, $plugin_folder . '/' ) === 0; }, ARRAY_FILTER_USE_KEY ); if ( 1 === count( $related_plugins ) ) { $plugin_key = array_keys( $related_plugins )[0]; $plugin_data = $plugins[ $plugin_key ]; return array( 'name' => $plugin_data['Name'], 'version' => $plugin_data['Version'], 'active' => is_plugin_active( $plugin_key ), ); } return false; } }

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