woothemes/woocommerce

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includes/rest-api/Controllers/Version2/class-wc-rest-system-status-tools-v2-controller.php

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<?php
/**
 * REST API WC System Status Tools Controller
 *
 * Handles requests to the /system_status/tools/* endpoints.
 *
 * @package WooCommerce\RestApi
 * @since   3.0.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * System status tools controller.
 *
 * @package WooCommerce\RestApi
 * @extends WC_REST_Controller
 */
class WC_REST_System_Status_Tools_V2_Controller extends WC_REST_Controller {

    /**
     * Endpoint namespace.
     *
     * @var string
     */
    protected $namespace = 'wc/v2';

    /**
     * Route base.
     *
     * @var string
     */
    protected $rest_base = 'system_status/tools';

    /**
     * Register the routes for /system_status/tools/*.
     */
    public function register_routes() {
        register_rest_route(
            $this->namespace,
            '/' . $this->rest_base,
            array(
                array(
                    'methods'             => WP_REST_Server::READABLE,
                    'callback'            => array( $this, 'get_items' ),
                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
                    'args'                => $this->get_collection_params(),
                ),
                'schema' => array( $this, 'get_public_item_schema' ),
            )
        );

        register_rest_route(
            $this->namespace,
            '/' . $this->rest_base . '/(?P<id>[\w-]+)',
            array(
                'args'   => array(
                    'id' => array(
                        'description' => __( 'Unique identifier for the resource.', 'woocommerce' ),
                        'type'        => 'string',
                    ),
                ),
                array(
                    'methods'             => WP_REST_Server::READABLE,
                    'callback'            => array( $this, 'get_item' ),
                    'permission_callback' => array( $this, 'get_item_permissions_check' ),
                ),
                array(
                    'methods'             => WP_REST_Server::EDITABLE,
                    'callback'            => array( $this, 'update_item' ),
                    'permission_callback' => array( $this, 'update_item_permissions_check' ),
                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
                ),
                'schema' => array( $this, 'get_public_item_schema' ),
            )
        );
    }

    /**
     * Check whether a given request has permission to view system status tools.
     *
     * @param  WP_REST_Request $request Full details about the request.
     * @return WP_Error|boolean
     */
    public function get_items_permissions_check( $request ) {
        if ( ! wc_rest_check_manager_permissions( 'system_status', 'read' ) ) {
            return new WP_Error( 'woocommerce_rest_cannot_view', __( 'Sorry, you cannot list resources.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
        }
        return true;
    }

    /**
     * Check whether a given request has permission to view a specific system status tool.
     *
     * @param  WP_REST_Request $request Full details about the request.
     * @return WP_Error|boolean
     */
    public function get_item_permissions_check( $request ) {
        if ( ! wc_rest_check_manager_permissions( 'system_status', 'read' ) ) {
            return new WP_Error( 'woocommerce_rest_cannot_view', __( 'Sorry, you cannot view this resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
        }
        return true;
    }

    /**
     * Check whether a given request has permission to execute a specific system status tool.
     *
     * @param  WP_REST_Request $request Full details about the request.
     * @return WP_Error|boolean
     */
    public function update_item_permissions_check( $request ) {
        if ( ! wc_rest_check_manager_permissions( 'system_status', 'edit' ) ) {
            return new WP_Error( 'woocommerce_rest_cannot_update', __( 'Sorry, you cannot update resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
        }
        return true;
    }

    /**
     * A list of available tools for use in the system status section.
     * 'button' becomes 'action' in the API.
     *
     * @return array
     */
    public function get_tools() {
        $tools = array(
            'clear_transients'                   => array(
                'name'   => __( 'WooCommerce transients', 'woocommerce' ),
                'button' => __( 'Clear transients', 'woocommerce' ),
                'desc'   => __( 'This tool will clear the product/shop transients cache.', 'woocommerce' ),
            ),
            'clear_expired_transients'           => array(
                'name'   => __( 'Expired transients', 'woocommerce' ),
                'button' => __( 'Clear transients', 'woocommerce' ),
                'desc'   => __( 'This tool will clear ALL expired transients from WordPress.', 'woocommerce' ),
            ),
            'delete_orphaned_variations'         => array(
                'name'   => __( 'Orphaned variations', 'woocommerce' ),
                'button' => __( 'Delete orphaned variations', 'woocommerce' ),
                'desc'   => __( 'This tool will delete all variations which have no parent.', 'woocommerce' ),
            ),
            'clear_expired_download_permissions' => array(
                'name'   => __( 'Used-up download permissions', 'woocommerce' ),
                'button' => __( 'Clean up download permissions', 'woocommerce' ),
                'desc'   => __( 'This tool will delete expired download permissions and permissions with 0 remaining downloads.', 'woocommerce' ),
            ),
            'regenerate_product_lookup_tables' => array(
                'name'   => __( 'Product lookup tables', 'woocommerce' ),
                'button' => __( 'Regenerate', 'woocommerce' ),
                'desc'   => __( 'This tool will regenerate product lookup table data. This process may take a while.', 'woocommerce' ),
            ),
            'recount_terms'                      => array(
                'name'   => __( 'Term counts', 'woocommerce' ),
                'button' => __( 'Recount terms', 'woocommerce' ),
                'desc'   => __( 'This tool will recount product terms - useful when changing your settings in a way which hides products from the catalog.', 'woocommerce' ),
            ),
            'reset_roles'                        => array(
                'name'   => __( 'Capabilities', 'woocommerce' ),
                'button' => __( 'Reset capabilities', 'woocommerce' ),
                'desc'   => __( 'This tool will reset the admin, customer and shop_manager roles to default. Use this if your users cannot access all of the WooCommerce admin pages.', 'woocommerce' ),
            ),
            'clear_sessions'                     => array(
                'name'   => __( 'Clear customer sessions', 'woocommerce' ),
                'button' => __( 'Clear', 'woocommerce' ),
                'desc'   => sprintf(
                    '<strong class="red">%1$s</strong> %2$s',
                    __( 'Note:', 'woocommerce' ),
                    __( 'This tool will delete all customer session data from the database, including current carts and saved carts in the database.', 'woocommerce' )
                ),
            ),
            'clear_template_cache'               => array(
                'name'   => __( 'Clear template cache', 'woocommerce' ),
                'button' => __( 'Clear', 'woocommerce' ),
                'desc'   => sprintf(
                    '<strong class="red">%1$s</strong> %2$s',
                    __( 'Note:', 'woocommerce' ),
                    __( 'This tool will empty the template cache.', 'woocommerce' )
                ),
            ),
            'install_pages'                      => array(
                'name'   => __( 'Create default WooCommerce pages', 'woocommerce' ),
                'button' => __( 'Create pages', 'woocommerce' ),
                'desc'   => sprintf(
                    '<strong class="red">%1$s</strong> %2$s',
                    __( 'Note:', 'woocommerce' ),
                    __( 'This tool will install all the missing WooCommerce pages. Pages already defined and set up will not be replaced.', 'woocommerce' )
                ),
            ),
            'delete_taxes'                       => array(
                'name'   => __( 'Delete WooCommerce tax rates', 'woocommerce' ),
                'button' => __( 'Delete tax rates', 'woocommerce' ),
                'desc'   => sprintf(
                    '<strong class="red">%1$s</strong> %2$s',
                    __( 'Note:', 'woocommerce' ),
                    __( 'This option will delete ALL of your tax rates, use with caution. This action cannot be reversed.', 'woocommerce' )
                ),
            ),
            'regenerate_thumbnails'              => array(
                'name'   => __( 'Regenerate shop thumbnails', 'woocommerce' ),
                'button' => __( 'Regenerate', 'woocommerce' ),
                'desc'   => __( 'This will regenerate all shop thumbnails to match your theme and/or image settings.', 'woocommerce' ),
            ),
            'db_update_routine'                  => array(
                'name'   => __( 'Update database', 'woocommerce' ),
                'button' => __( 'Update database', 'woocommerce' ),
                'desc'   => sprintf(
                    '<strong class="red">%1$s</strong> %2$s',
                    __( 'Note:', 'woocommerce' ),
                    __( 'This tool will update your WooCommerce database to the latest version. Please ensure you make sufficient backups before proceeding.', 'woocommerce' )
                ),
            ),
        );
        if ( method_exists( 'WC_Install', 'verify_base_tables' ) ) {
            $tools['verify_db_tables'] = array(
                'name'   => __( 'Verify base database tables', 'woocommerce' ),
                'button' => __( 'Verify database', 'woocommerce' ),
                'desc'   => sprintf(
                    __( 'Verify if all base database tables are present.', 'woocommerce' )
                ),
            );
        }

        // Jetpack does the image resizing heavy lifting so you don't have to.
        if ( ( class_exists( 'Jetpack' ) && Jetpack::is_module_active( 'photon' ) ) || ! apply_filters( 'woocommerce_background_image_regeneration', true ) ) {
            unset( $tools['regenerate_thumbnails'] );
        }

        if ( ! function_exists( 'wc_clear_template_cache' ) ) {
            unset( $tools['clear_template_cache'] );
        }

        return apply_filters( 'woocommerce_debug_tools', $tools );
    }

    /**
     * Get a list of system status tools.
     *
     * @param WP_REST_Request $request Full details about the request.
     * @return WP_Error|WP_REST_Response
     */
    public function get_items( $request ) {
        $tools = array();
        foreach ( $this->get_tools() as $id => $tool ) {
            $tools[] = $this->prepare_response_for_collection(
                $this->prepare_item_for_response(
                    array(
                        'id'          => $id,
                        'name'        => $tool['name'],
                        'action'      => $tool['button'],
                        'description' => $tool['desc'],
                    ),
                    $request
                )
            );
        }

        $response = rest_ensure_response( $tools );
        return $response;
    }

    /**
     * Return a single tool.
     *
     * @param  WP_REST_Request $request Request data.
     * @return WP_Error|WP_REST_Response
     */
    public function get_item( $request ) {
        $tools = $this->get_tools();
        if ( empty( $tools[ $request['id'] ] ) ) {
            return new WP_Error( 'woocommerce_rest_system_status_tool_invalid_id', __( 'Invalid tool ID.', 'woocommerce' ), array( 'status' => 404 ) );
        }
        $tool = $tools[ $request['id'] ];
        return rest_ensure_response(
            $this->prepare_item_for_response(
                array(
                    'id'          => $request['id'],
                    'name'        => $tool['name'],
                    'action'      => $tool['button'],
                    'description' => $tool['desc'],
                ),
                $request
            )
        );
    }

    /**
     * Update (execute) a tool.
     *
     * @param  WP_REST_Request $request Request data.
     * @return WP_Error|WP_REST_Response
     */
    public function update_item( $request ) {
        $tools = $this->get_tools();
        if ( empty( $tools[ $request['id'] ] ) ) {
            return new WP_Error( 'woocommerce_rest_system_status_tool_invalid_id', __( 'Invalid tool ID.', 'woocommerce' ), array( 'status' => 404 ) );
        }

        $tool = $tools[ $request['id'] ];
        $tool = array(
            'id'          => $request['id'],
            'name'        => $tool['name'],
            'action'      => $tool['button'],
            'description' => $tool['desc'],
        );

        $execute_return = $this->execute_tool( $request['id'] );
        $tool           = array_merge( $tool, $execute_return );

        /**
         * Fires after a WooCommerce REST system status tool has been executed.
         *
         * @param array           $tool    Details about the tool that has been executed.
         * @param WP_REST_Request $request The current WP_REST_Request object.
         */
        do_action( 'woocommerce_rest_insert_system_status_tool', $tool, $request );

        $request->set_param( 'context', 'edit' );
        $response = $this->prepare_item_for_response( $tool, $request );
        return rest_ensure_response( $response );
    }

    /**
     * Prepare a tool item for serialization.
     *
     * @param  array           $item     Object.
     * @param  WP_REST_Request $request  Request object.
     * @return WP_REST_Response $response Response data.
     */
    public function prepare_item_for_response( $item, $request ) {
        $context = empty( $request['context'] ) ? 'view' : $request['context'];
        $data    = $this->add_additional_fields_to_object( $item, $request );
        $data    = $this->filter_response_by_context( $data, $context );

        $response = rest_ensure_response( $data );

        $response->add_links( $this->prepare_links( $item['id'] ) );

        return $response;
    }

    /**
     * Get the system status tools schema, conforming to JSON Schema.
     *
     * @return array
     */
    public function get_item_schema() {
        $schema = array(
            '$schema'    => 'http://json-schema.org/draft-04/schema#',
            'title'      => 'system_status_tool',
            'type'       => 'object',
            'properties' => array(
                'id'          => array(
                    'description' => __( 'A unique identifier for the tool.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'view', 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_title',
                    ),
                ),
                'name'        => array(
                    'description' => __( 'Tool name.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'view', 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_text_field',
                    ),
                ),
                'action'      => array(
                    'description' => __( 'What running the tool will do.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'view', 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_text_field',
                    ),
                ),
                'description' => array(
                    'description' => __( 'Tool description.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'view', 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_text_field',
                    ),
                ),
                'success'     => array(
                    'description' => __( 'Did the tool run successfully?', 'woocommerce' ),
                    'type'        => 'boolean',
                    'context'     => array( 'edit' ),
                ),
                'message'     => array(
                    'description' => __( 'Tool return message.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_text_field',
                    ),
                ),
            ),
        );

        return $this->add_additional_fields_schema( $schema );
    }

    /**
     * Prepare links for the request.
     *
     * @param string $id ID.
     * @return array
     */
    protected function prepare_links( $id ) {
        $base  = '/' . $this->namespace . '/' . $this->rest_base;
        $links = array(
            'item' => array(
                'href'       => rest_url( trailingslashit( $base ) . $id ),
                'embeddable' => true,
            ),
        );

        return $links;
    }

    /**
     * Get any query params needed.
     *
     * @return array
     */
    public function get_collection_params() {
        return array(
            'context' => $this->get_context_param( array( 'default' => 'view' ) ),
        );
    }

    /**
     * Actually executes a tool.
     *
     * @param  string $tool Tool.
     * @return array
     */
    public function execute_tool( $tool ) {
        global $wpdb;
        $ran = true;
        switch ( $tool ) {
            case 'clear_transients':
                wc_delete_product_transients();
                wc_delete_shop_order_transients();
                delete_transient( 'wc_count_comments' );
                delete_transient( 'as_comment_count' );

                $attribute_taxonomies = wc_get_attribute_taxonomies();

                if ( $attribute_taxonomies ) {
                    foreach ( $attribute_taxonomies as $attribute ) {
                        delete_transient( 'wc_layered_nav_counts_pa_' . $attribute->attribute_name );
                    }
                }

                WC_Cache_Helper::get_transient_version( 'shipping', true );
                $message = __( 'Product transients cleared', 'woocommerce' );
                break;

            case 'clear_expired_transients':
                /* translators: %d: amount of expired transients */
                $message = sprintf( __( '%d transients rows cleared', 'woocommerce' ), wc_delete_expired_transients() );
                break;

            case 'delete_orphaned_variations':
                // Delete orphans.
                $result = absint(
                    $wpdb->query(
                        "DELETE products
                    FROM {$wpdb->posts} products
                    LEFT JOIN {$wpdb->posts} wp ON wp.ID = products.post_parent
                    WHERE wp.ID IS NULL AND products.post_type = 'product_variation';"
                    )
                );
                /* translators: %d: amount of orphaned variations */
                $message = sprintf( __( '%d orphaned variations deleted', 'woocommerce' ), $result );
                break;

            case 'clear_expired_download_permissions':
                // Delete expired download permissions and ones with 0 downloads remaining.
                $result = absint(
                    $wpdb->query(
                        $wpdb->prepare(
                            "DELETE FROM {$wpdb->prefix}woocommerce_downloadable_product_permissions
                            WHERE ( downloads_remaining != '' AND downloads_remaining = 0 ) OR ( access_expires IS NOT NULL AND access_expires < %s )",
                            gmdate( 'Y-m-d', current_time( 'timestamp' ) )
                        )
                    )
                );
                /* translators: %d: amount of permissions */
                $message = sprintf( __( '%d permissions deleted', 'woocommerce' ), $result );
                break;

            case 'regenerate_product_lookup_tables':
                if ( ! wc_update_product_lookup_tables_is_running() ) {
                    wc_update_product_lookup_tables();
                }
                $message = __( 'Lookup tables are regenerating', 'woocommerce' );
                break;
            case 'reset_roles':
                // Remove then re-add caps and roles.
                WC_Install::remove_roles();
                WC_Install::create_roles();
                $message = __( 'Roles successfully reset', 'woocommerce' );
                break;

            case 'recount_terms':
                $product_cats = get_terms(
                    'product_cat',
                    array(
                        'hide_empty' => false,
                        'fields'     => 'id=>parent',
                    )
                );
                _wc_term_recount( $product_cats, get_taxonomy( 'product_cat' ), true, false );
                $product_tags = get_terms(
                    'product_tag',
                    array(
                        'hide_empty' => false,
                        'fields'     => 'id=>parent',
                    )
                );
                _wc_term_recount( $product_tags, get_taxonomy( 'product_tag' ), true, false );
                $message = __( 'Terms successfully recounted', 'woocommerce' );
                break;

            case 'clear_sessions':
                $wpdb->query( "TRUNCATE {$wpdb->prefix}woocommerce_sessions" );
                $result = absint( $wpdb->query( "DELETE FROM {$wpdb->usermeta} WHERE meta_key='_woocommerce_persistent_cart_" . get_current_blog_id() . "';" ) ); // WPCS: unprepared SQL ok.
                wp_cache_flush();
                /* translators: %d: amount of sessions */
                $message = sprintf( __( 'Deleted all active sessions, and %d saved carts.', 'woocommerce' ), absint( $result ) );
                break;

            case 'install_pages':
                WC_Install::create_pages();
                $message = __( 'All missing WooCommerce pages successfully installed', 'woocommerce' );
                break;

            case 'delete_taxes':
                $wpdb->query( "TRUNCATE TABLE {$wpdb->prefix}woocommerce_tax_rates;" );
                $wpdb->query( "TRUNCATE TABLE {$wpdb->prefix}woocommerce_tax_rate_locations;" );

                if ( method_exists( 'WC_Cache_Helper', 'invalidate_cache_group' ) ) {
                    WC_Cache_Helper::invalidate_cache_group( 'taxes' );
                } else {
                    WC_Cache_Helper::incr_cache_prefix( 'taxes' );
                }
                $message = __( 'Tax rates successfully deleted', 'woocommerce' );
                break;

            case 'regenerate_thumbnails':
                WC_Regenerate_Images::queue_image_regeneration();
                $message = __( 'Thumbnail regeneration has been scheduled to run in the background.', 'woocommerce' );
                break;

            case 'db_update_routine':
                $blog_id = get_current_blog_id();
                // Used to fire an action added in WP_Background_Process::_construct() that calls WP_Background_Process::handle_cron_healthcheck().
                // This method will make sure the database updates are executed even if cron is disabled. Nothing will happen if the updates are already running.
                do_action( 'wp_' . $blog_id . '_wc_updater_cron' );
                $message = __( 'Database upgrade routine has been scheduled to run in the background.', 'woocommerce' );
                break;

            case 'clear_template_cache':
                if ( function_exists( 'wc_clear_template_cache' ) ) {
                    wc_clear_template_cache();
                    $message = __( 'Template cache cleared.', 'woocommerce' );
                } else {
                    $message = __( 'The active version of WooCommerce does not support template cache clearing.', 'woocommerce' );
                    $ran = false;
                }
                break;

            case 'verify_db_tables':
                if ( ! method_exists( 'WC_Install', 'verify_base_tables' ) ) {
                    $message = __( 'You need WooCommerce 4.2 or newer to run this tool.', 'woocommerce' );
                    $ran = false;
                    break;
                }
                // Try to manually create table again.
                $missing_tables = WC_Install::verify_base_tables( true, true );
                if ( 0 === count( $missing_tables ) ) {
                    $message = __( 'Database verified successfully.', 'woocommerce' );
                } else {
                    $message = __( 'Verifying database... One or more tables are still missing: ', 'woocommerce' );
                    $message .= implode( ', ', $missing_tables );
                    $ran = false;
                }
                break;

            default:
                $tools = $this->get_tools();
                if ( isset( $tools[ $tool ]['callback'] ) ) {
                    $callback = $tools[ $tool ]['callback'];
                    $return   = call_user_func( $callback );
                    if ( is_string( $return ) ) {
                        $message = $return;
                    } elseif ( false === $return ) {
                        $callback_string = is_array( $callback ) ? get_class( $callback[0] ) . '::' . $callback[1] : $callback;
                        $ran             = false;
                        /* translators: %s: callback string */
                        $message = sprintf( __( 'There was an error calling %s', 'woocommerce' ), $callback_string );
                    } else {
                        $message = __( 'Tool ran.', 'woocommerce' );
                    }
                } else {
                    $ran     = false;
                    $message = __( 'There was an error calling this tool. There is no callback present.', 'woocommerce' );
                }
                break;
        }

        return array(
            'success' => $ran,
            'message' => $message,
        );
    }
}