woothemes/woocommerce

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includes/admin/class-wc-admin-notices.php

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<?php
/**
 * Display notices in admin
 *
 * @package WooCommerce\Admin
 * @version 3.4.0
 */

use Automattic\Jetpack\Constants;

defined( 'ABSPATH' ) || exit;

/**
 * WC_Admin_Notices Class.
 */
class WC_Admin_Notices {

    /**
     * Stores notices.
     *
     * @var array
     */
    private static $notices = array();

    /**
     * Array of notices - name => callback.
     *
     * @var array
     */
    private static $core_notices = array(
        'update'                           => 'update_notice',
        'template_files'                   => 'template_file_check_notice',
        'legacy_shipping'                  => 'legacy_shipping_notice',
        'no_shipping_methods'              => 'no_shipping_methods_notice',
        'regenerating_thumbnails'          => 'regenerating_thumbnails_notice',
        'regenerating_lookup_table'        => 'regenerating_lookup_table_notice',
        'no_secure_connection'             => 'secure_connection_notice',
        WC_PHP_MIN_REQUIREMENTS_NOTICE     => 'wp_php_min_requirements_notice',
        'maxmind_license_key'              => 'maxmind_missing_license_key_notice',
        'redirect_download_method'         => 'redirect_download_method_notice',
        'uploads_directory_is_unprotected' => 'uploads_directory_is_unprotected_notice',
        'base_tables_missing'              => 'base_tables_missing_notice',
    );

    /**
     * Constructor.
     */
    public static function init() {
        self::$notices = get_option( 'woocommerce_admin_notices', array() );

        add_action( 'switch_theme', array( __CLASS__, 'reset_admin_notices' ) );
        add_action( 'woocommerce_installed', array( __CLASS__, 'reset_admin_notices' ) );
        add_action( 'wp_loaded', array( __CLASS__, 'add_redirect_download_method_notice' ) );
        add_action( 'wp_loaded', array( __CLASS__, 'hide_notices' ) );
        // @TODO: This prevents Action Scheduler async jobs from storing empty list of notices during WC installation.
        // That could lead to OBW not starting and 'Run setup wizard' notice not appearing in WP admin, which we want
        // to avoid.
        if ( ! WC_Install::is_new_install() || ! wc_is_running_from_async_action_scheduler() ) {
            add_action( 'shutdown', array( __CLASS__, 'store_notices' ) );
        }

        if ( current_user_can( 'manage_woocommerce' ) ) {
            add_action( 'admin_print_styles', array( __CLASS__, 'add_notices' ) );
        }
    }

    /**
     * Parses query to create nonces when available.
     *
     * @param object $response The WP_REST_Response we're working with.
     * @return object $response The prepared WP_REST_Response object.
     */
    public static function prepare_note_with_nonce( $response ) {
        if ( 'wc-update-db-reminder' !== $response->data['name'] || ! isset( $response->data['actions'] ) ) {
            return $response;
        }

        foreach ( $response->data['actions'] as $action_key => $action ) {
            $url_parts = ! empty( $action->query ) ? wp_parse_url( $action->query ) : '';

            if ( ! isset( $url_parts['query'] ) ) {
                continue;
            }

            wp_parse_str( $url_parts['query'], $params );

            if ( array_key_exists( '_nonce_action', $params ) && array_key_exists( '_nonce_name', $params ) ) {
                $org_params = $params;

                // Check to make sure we're acting on the whitelisted nonce actions.
                if ( 'wc_db_update' !== $params['_nonce_action'] && 'woocommerce_hide_notices_nonce' !== $params['_nonce_action'] ) {
                    continue;
                }

                unset( $org_params['_nonce_action'] );
                unset( $org_params['_nonce_name'] );

                $url = $url_parts['scheme'] . '://' . $url_parts['host'] . $url_parts['path'];

                $nonce         = array( $params['_nonce_name'] => wp_create_nonce( $params['_nonce_action'] ) );
                $merged_params = array_merge( $nonce, $org_params );
                $parsed_query  = add_query_arg( $merged_params, $url );

                $response->data['actions'][ $action_key ]->query = $parsed_query;
                $response->data['actions'][ $action_key ]->url   = $parsed_query;
            }
        }

        return $response;
    }

    /**
     * Store notices to DB
     */
    public static function store_notices() {
        update_option( 'woocommerce_admin_notices', self::get_notices() );
    }

    /**
     * Get notices
     *
     * @return array
     */
    public static function get_notices() {
        return self::$notices;
    }

    /**
     * Remove all notices.
     */
    public static function remove_all_notices() {
        self::$notices = array();
    }

    /**
     * Reset notices for themes when switched or a new version of WC is installed.
     */
    public static function reset_admin_notices() {
        if ( ! self::is_ssl() ) {
            self::add_notice( 'no_secure_connection' );
        }
        if ( ! self::is_uploads_directory_protected() ) {
            self::add_notice( 'uploads_directory_is_unprotected' );
        }
        self::add_notice( 'template_files' );
        self::add_min_version_notice();
        self::add_maxmind_missing_license_key_notice();
    }

    /**
     * Show a notice.
     *
     * @param string $name Notice name.
     * @param bool   $force_save Force saving inside this method instead of at the 'shutdown'.
     */
    public static function add_notice( $name, $force_save = false ) {
        self::$notices = array_unique( array_merge( self::get_notices(), array( $name ) ) );

        if ( $force_save ) {
            // Adding early save to prevent more race conditions with notices.
            self::store_notices();
        }
    }

    /**
     * Remove a notice from being displayed.
     *
     * @param string $name Notice name.
     * @param bool   $force_save Force saving inside this method instead of at the 'shutdown'.
     */
    public static function remove_notice( $name, $force_save = false ) {
        self::$notices = array_diff( self::get_notices(), array( $name ) );
        delete_option( 'woocommerce_admin_notice_' . $name );

        if ( $force_save ) {
            // Adding early save to prevent more race conditions with notices.
            self::store_notices();
        }
    }

    /**
     * See if a notice is being shown.
     *
     * @param string $name Notice name.
     *
     * @return boolean
     */
    public static function has_notice( $name ) {
        return in_array( $name, self::get_notices(), true );
    }

    /**
     * Hide a notice if the GET variable is set.
     */
    public static function hide_notices() {
        if ( isset( $_GET['wc-hide-notice'] ) && isset( $_GET['_wc_notice_nonce'] ) ) { // WPCS: input var ok, CSRF ok.
            if ( ! wp_verify_nonce( sanitize_key( wp_unslash( $_GET['_wc_notice_nonce'] ) ), 'woocommerce_hide_notices_nonce' ) ) { // WPCS: input var ok, CSRF ok.
                wp_die( esc_html__( 'Action failed. Please refresh the page and retry.', 'woocommerce' ) );
            }

            if ( ! current_user_can( 'manage_woocommerce' ) ) {
                wp_die( esc_html__( 'You don&#8217;t have permission to do this.', 'woocommerce' ) );
            }

            $hide_notice = sanitize_text_field( wp_unslash( $_GET['wc-hide-notice'] ) ); // WPCS: input var ok, CSRF ok.

            self::remove_notice( $hide_notice );

            update_user_meta( get_current_user_id(), 'dismissed_' . $hide_notice . '_notice', true );

            do_action( 'woocommerce_hide_' . $hide_notice . '_notice' );
        }
    }

    /**
     * Add notices + styles if needed.
     */
    public static function add_notices() {
        $notices = self::get_notices();

        if ( empty( $notices ) ) {
            return;
        }

        $screen          = get_current_screen();
        $screen_id       = $screen ? $screen->id : '';
        $show_on_screens = array(
            'dashboard',
            'plugins',
        );

        // Notices should only show on WooCommerce screens, the main dashboard, and on the plugins screen.
        if ( ! in_array( $screen_id, wc_get_screen_ids(), true ) && ! in_array( $screen_id, $show_on_screens, true ) ) {
            return;
        }

        wp_enqueue_style( 'woocommerce-activation', plugins_url( '/assets/css/activation.css', WC_PLUGIN_FILE ), array(), Constants::get_constant( 'WC_VERSION' ) );

        // Add RTL support.
        wp_style_add_data( 'woocommerce-activation', 'rtl', 'replace' );

        foreach ( $notices as $notice ) {
            if ( ! empty( self::$core_notices[ $notice ] ) && apply_filters( 'woocommerce_show_admin_notice', true, $notice ) ) {
                add_action( 'admin_notices', array( __CLASS__, self::$core_notices[ $notice ] ) );
            } else {
                add_action( 'admin_notices', array( __CLASS__, 'output_custom_notices' ) );
            }
        }
    }

    /**
     * Add a custom notice.
     *
     * @param string $name        Notice name.
     * @param string $notice_html Notice HTML.
     */
    public static function add_custom_notice( $name, $notice_html ) {
        self::add_notice( $name );
        update_option( 'woocommerce_admin_notice_' . $name, wp_kses_post( $notice_html ) );
    }

    /**
     * Output any stored custom notices.
     */
    public static function output_custom_notices() {
        $notices = self::get_notices();

        if ( ! empty( $notices ) ) {
            foreach ( $notices as $notice ) {
                if ( empty( self::$core_notices[ $notice ] ) ) {
                    $notice_html = get_option( 'woocommerce_admin_notice_' . $notice );

                    if ( $notice_html ) {
                        include dirname( __FILE__ ) . '/views/html-notice-custom.php';
                    }
                }
            }
        }
    }

    /**
     * If we need to update the database, include a message with the DB update button.
     */
    public static function update_notice() {
        $screen    = get_current_screen();
        $screen_id = $screen ? $screen->id : '';
        if ( WC()->is_wc_admin_active() && in_array( $screen_id, wc_get_screen_ids(), true ) ) {
            return;
        }

        if ( WC_Install::needs_db_update() ) {
            $next_scheduled_date = WC()->queue()->get_next( 'woocommerce_run_update_callback', null, 'woocommerce-db-updates' );

            if ( $next_scheduled_date || ! empty( $_GET['do_update_woocommerce'] ) ) { // WPCS: input var ok, CSRF ok.
                include dirname( __FILE__ ) . '/views/html-notice-updating.php';
            } else {
                include dirname( __FILE__ ) . '/views/html-notice-update.php';
            }
        } else {
            include dirname( __FILE__ ) . '/views/html-notice-updated.php';
        }
    }

    /**
     * If we have just installed, show a message with the install pages button.
     *
     * @deprecated 4.6.0
     */
    public static function install_notice() {
        _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.6.0', __( 'Onboarding is maintained in WooCommerce Admin.', 'woocommerce' ) );
    }

    /**
     * Show a notice highlighting bad template files.
     */
    public static function template_file_check_notice() {
        $core_templates = WC_Admin_Status::scan_template_files( WC()->plugin_path() . '/templates' );
        $outdated       = false;

        foreach ( $core_templates as $file ) {

            $theme_file = false;
            if ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
                $theme_file = get_stylesheet_directory() . '/' . $file;
            } elseif ( file_exists( get_stylesheet_directory() . '/' . WC()->template_path() . $file ) ) {
                $theme_file = get_stylesheet_directory() . '/' . WC()->template_path() . $file;
            } elseif ( file_exists( get_template_directory() . '/' . $file ) ) {
                $theme_file = get_template_directory() . '/' . $file;
            } elseif ( file_exists( get_template_directory() . '/' . WC()->template_path() . $file ) ) {
                $theme_file = get_template_directory() . '/' . WC()->template_path() . $file;
            }

            if ( false !== $theme_file ) {
                $core_version  = WC_Admin_Status::get_file_version( WC()->plugin_path() . '/templates/' . $file );
                $theme_version = WC_Admin_Status::get_file_version( $theme_file );

                if ( $core_version && $theme_version && version_compare( $theme_version, $core_version, '<' ) ) {
                    $outdated = true;
                    break;
                }
            }
        }

        if ( $outdated ) {
            include dirname( __FILE__ ) . '/views/html-notice-template-check.php';
        } else {
            self::remove_notice( 'template_files' );
        }
    }

    /**
     * Show a notice asking users to convert to shipping zones.
     *
     * @todo remove in 4.0.0
     */
    public static function legacy_shipping_notice() {
        $maybe_load_legacy_methods = array( 'flat_rate', 'free_shipping', 'international_delivery', 'local_delivery', 'local_pickup' );
        $enabled                   = false;

        foreach ( $maybe_load_legacy_methods as $method ) {
            $options = get_option( 'woocommerce_' . $method . '_settings' );
            if ( $options && isset( $options['enabled'] ) && 'yes' === $options['enabled'] ) {
                $enabled = true;
            }
        }

        if ( $enabled ) {
            include dirname( __FILE__ ) . '/views/html-notice-legacy-shipping.php';
        } else {
            self::remove_notice( 'template_files' );
        }
    }

    /**
     * No shipping methods.
     */
    public static function no_shipping_methods_notice() {
        if ( wc_shipping_enabled() && ( empty( $_GET['page'] ) || empty( $_GET['tab'] ) || 'wc-settings' !== $_GET['page'] || 'shipping' !== $_GET['tab'] ) ) { // WPCS: input var ok, CSRF ok.
            $product_count = wp_count_posts( 'product' );
            $method_count  = wc_get_shipping_method_count();

            if ( $product_count->publish > 0 && 0 === $method_count ) {
                include dirname( __FILE__ ) . '/views/html-notice-no-shipping-methods.php';
            }

            if ( $method_count > 0 ) {
                self::remove_notice( 'no_shipping_methods' );
            }
        }
    }

    /**
     * Notice shown when regenerating thumbnails background process is running.
     */
    public static function regenerating_thumbnails_notice() {
        include dirname( __FILE__ ) . '/views/html-notice-regenerating-thumbnails.php';
    }

    /**
     * Notice about secure connection.
     */
    public static function secure_connection_notice() {
        if ( self::is_ssl() || get_user_meta( get_current_user_id(), 'dismissed_no_secure_connection_notice', true ) ) {
            return;
        }

        include dirname( __FILE__ ) . '/views/html-notice-secure-connection.php';
    }

    /**
     * Notice shown when regenerating thumbnails background process is running.
     *
     * @since 3.6.0
     */
    public static function regenerating_lookup_table_notice() {
        // See if this is still relevent.
        if ( ! wc_update_product_lookup_tables_is_running() ) {
            self::remove_notice( 'regenerating_lookup_table' );
            return;
        }

        include dirname( __FILE__ ) . '/views/html-notice-regenerating-lookup-table.php';
    }

    /**
     * Add notice about minimum PHP and WordPress requirement.
     *
     * @since 3.6.5
     */
    public static function add_min_version_notice() {
        if ( version_compare( phpversion(), WC_NOTICE_MIN_PHP_VERSION, '<' ) || version_compare( get_bloginfo( 'version' ), WC_NOTICE_MIN_WP_VERSION, '<' ) ) {
            self::add_notice( WC_PHP_MIN_REQUIREMENTS_NOTICE );
        }
    }

    /**
     * Notice about WordPress and PHP minimum requirements.
     *
     * @since 3.6.5
     * @return void
     */
    public static function wp_php_min_requirements_notice() {
        if ( apply_filters( 'woocommerce_hide_php_wp_nag', get_user_meta( get_current_user_id(), 'dismissed_' . WC_PHP_MIN_REQUIREMENTS_NOTICE . '_notice', true ) ) ) {
            self::remove_notice( WC_PHP_MIN_REQUIREMENTS_NOTICE );
            return;
        }

        $old_php = version_compare( phpversion(), WC_NOTICE_MIN_PHP_VERSION, '<' );
        $old_wp  = version_compare( get_bloginfo( 'version' ), WC_NOTICE_MIN_WP_VERSION, '<' );

        // Both PHP and WordPress up to date version => no notice.
        if ( ! $old_php && ! $old_wp ) {
            return;
        }

        if ( $old_php && $old_wp ) {
            $msg = sprintf(
                /* translators: 1: Minimum PHP version 2: Minimum WordPress version */
                __( 'Update required: WooCommerce will soon require PHP version %1$s and WordPress version %2$s or newer.', 'woocommerce' ),
                WC_NOTICE_MIN_PHP_VERSION,
                WC_NOTICE_MIN_WP_VERSION
            );
        } elseif ( $old_php ) {
            $msg = sprintf(
                /* translators: %s: Minimum PHP version */
                __( 'Update required: WooCommerce will soon require PHP version %s or newer.', 'woocommerce' ),
                WC_NOTICE_MIN_PHP_VERSION
            );
        } elseif ( $old_wp ) {
            $msg = sprintf(
                /* translators: %s: Minimum WordPress version */
                __( 'Update required: WooCommerce will soon require WordPress version %s or newer.', 'woocommerce' ),
                WC_NOTICE_MIN_WP_VERSION
            );
        }

        include dirname( __FILE__ ) . '/views/html-notice-wp-php-minimum-requirements.php';
    }

    /**
     * Add MaxMind missing license key notice.
     *
     * @since 3.9.0
     */
    public static function add_maxmind_missing_license_key_notice() {
        $default_address = get_option( 'woocommerce_default_customer_address' );

        if ( ! in_array( $default_address, array( 'geolocation', 'geolocation_ajax' ), true ) ) {
            return;
        }

        $integration_options = get_option( 'woocommerce_maxmind_geolocation_settings' );
        if ( empty( $integration_options['license_key'] ) ) {
            self::add_notice( 'maxmind_license_key' );

        }
    }

    /**
     *  Add notice about Redirect-only download method, nudging user to switch to a different method instead.
     */
    public static function add_redirect_download_method_notice() {
        if ( 'redirect' === get_option( 'woocommerce_file_download_method' ) ) {
            self::add_notice( 'redirect_download_method' );
        } else {
            self::remove_notice( 'redirect_download_method' );
        }
    }

    /**
     * Display MaxMind missing license key notice.
     *
     * @since 3.9.0
     */
    public static function maxmind_missing_license_key_notice() {
        $user_dismissed_notice   = get_user_meta( get_current_user_id(), 'dismissed_maxmind_license_key_notice', true );
        $filter_dismissed_notice = ! apply_filters( 'woocommerce_maxmind_geolocation_display_notices', true );

        if ( $user_dismissed_notice || $filter_dismissed_notice ) {
            self::remove_notice( 'maxmind_license_key' );
            return;
        }

        include dirname( __FILE__ ) . '/views/html-notice-maxmind-license-key.php';
    }

    /**
     * Notice about Redirect-Only download method.
     *
     * @since 4.0
     */
    public static function redirect_download_method_notice() {
        if ( apply_filters( 'woocommerce_hide_redirect_method_nag', get_user_meta( get_current_user_id(), 'dismissed_redirect_download_method_notice', true ) ) ) {
            self::remove_notice( 'redirect_download_method' );
            return;
        }

        include dirname( __FILE__ ) . '/views/html-notice-redirect-only-download.php';
    }

    /**
     * Notice about uploads directory begin unprotected.
     *
     * @since 4.2.0
     */
    public static function uploads_directory_is_unprotected_notice() {
        if ( get_user_meta( get_current_user_id(), 'dismissed_uploads_directory_is_unprotected_notice', true ) || self::is_uploads_directory_protected() ) {
            self::remove_notice( 'uploads_directory_is_unprotected' );
            return;
        }

        include dirname( __FILE__ ) . '/views/html-notice-uploads-directory-is-unprotected.php';
    }

    /**
     * Notice about base tables missing.
     */
    public static function base_tables_missing_notice() {
        $notice_dismissed = apply_filters(
            'woocommerce_hide_base_tables_missing_nag',
            get_user_meta( get_current_user_id(), 'dismissed_base_tables_missing_notice', true )
        );
        if ( $notice_dismissed ) {
            self::remove_notice( 'base_tables_missing' );
        }

        include dirname( __FILE__ ) . '/views/html-notice-base-table-missing.php';
    }

    /**
     * Determine if the store is running SSL.
     *
     * @return bool Flag SSL enabled.
     * @since  3.5.1
     */
    protected static function is_ssl() {
        $shop_page = wc_get_page_permalink( 'shop' );

        return ( is_ssl() && 'https' === substr( $shop_page, 0, 5 ) );
    }

    /**
     * Wrapper for is_plugin_active.
     *
     * @param string $plugin Plugin to check.
     * @return boolean
     */
    protected static function is_plugin_active( $plugin ) {
        if ( ! function_exists( 'is_plugin_active' ) ) {
            include_once ABSPATH . 'wp-admin/includes/plugin.php';
        }
        return is_plugin_active( $plugin );
    }

    /**
     * Simplify Commerce is no longer in core.
     *
     * @deprecated 3.6.0 No longer shown.
     */
    public static function simplify_commerce_notice() {
        wc_deprecated_function( 'WC_Admin_Notices::simplify_commerce_notice', '3.6.0' );
    }

    /**
     * Show the Theme Check notice.
     *
     * @deprecated 3.3.0 No longer shown.
     */
    public static function theme_check_notice() {
        wc_deprecated_function( 'WC_Admin_Notices::theme_check_notice', '3.3.0' );
    }

    /**
     * Check if uploads directory is protected.
     *
     * @since 4.2.0
     * @return bool
     */
    protected static function is_uploads_directory_protected() {
        $cache_key = '_woocommerce_upload_directory_status';
        $status    = get_transient( $cache_key );

        // Check for cache.
        if ( false !== $status ) {
            return 'protected' === $status;
        }

        // Get only data from the uploads directory.
        $uploads = wp_get_upload_dir();

        // Check for the "uploads/woocommerce_uploads" directory.
        $response         = wp_safe_remote_get(
            esc_url_raw( $uploads['baseurl'] . '/woocommerce_uploads/' ),
            array(
                'redirection' => 0,
            )
        );
        $response_code    = intval( wp_remote_retrieve_response_code( $response ) );
        $response_content = wp_remote_retrieve_body( $response );

        // Check if returns 200 with empty content in case can open an index.html file,
        // and check for non-200 codes in case the directory is protected.
        $is_protected = ( 200 === $response_code && empty( $response_content ) ) || ( 200 !== $response_code );
        set_transient( $cache_key, $is_protected ? 'protected' : 'unprotected', 1 * DAY_IN_SECONDS );

        return $is_protected;
    }
}

WC_Admin_Notices::init();