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<?php declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\Admin\Logging;
use Automattic\Jetpack\Constants; use Automattic\WooCommerce\Internal\Admin\Logging\FileV2\File; use Automattic\WooCommerce\Internal\Admin\Logging\LogHandlerFileV2; use Automattic\WooCommerce\Internal\Admin\Logging\FileV2\FileController; use Automattic\WooCommerce\Internal\Utilities\FilesystemUtil; use Automattic\WooCommerce\Proxies\LegacyProxy; use Exception; use WC_Admin_Settings; use WC_Log_Handler_DB, WC_Log_Handler_File, WC_Log_Levels; use WP_Filesystem_Direct;
/** * Settings class. */ class Settings {
/** * Default values for logging settings. * * @const array */ private const DEFAULTS = array( 'logging_enabled' => true, 'default_handler' => LogHandlerFileV2::class, 'retention_period_days' => 30, 'level_threshold' => 'none', );
/** * The prefix for settings keys used in the options table. * * @const string */ private const PREFIX = 'woocommerce_logs_';
/** * Class Settings. */ public function __construct() { add_action( 'wc_logs_load_tab', array( $this, 'save_settings' ) ); }
/** * Get the directory for storing log files. * * The `wp_upload_dir` function takes into account the possibility of multisite, and handles changing * the directory if the context is switched to a different site in the network mid-request. * * @param bool $create_dir Optional. True to attempt to create the log directory if it doesn't exist. Default true. * * @return string The full directory path, with trailing slash. */ public static function get_log_directory( bool $create_dir = true ): string { if ( true === Constants::get_constant( 'WC_LOG_DIR_CUSTOM' ) ) { $dir = Constants::get_constant( 'WC_LOG_DIR' ); } else { $upload_dir = wc_get_container()->get( LegacyProxy::class )->call_function( 'wp_upload_dir', null, $create_dir );
/** * Filter to change the directory for storing WooCommerce's log files. * * @param string $dir The full directory path, with trailing slash. * * @since 8.8.0 */ $dir = apply_filters( 'woocommerce_log_directory', $upload_dir['basedir'] . '/wc-logs/' ); }
$dir = trailingslashit( $dir );
if ( true === $create_dir ) { $realpath = realpath( $dir ); if ( false === $realpath ) { $result = wp_mkdir_p( $dir );
if ( true === $result ) { // Create infrastructure to prevent listing contents of the logs directory. try { $filesystem = FilesystemUtil::get_wp_filesystem(); $filesystem->put_contents( $dir . '.htaccess', 'deny from all' ); $filesystem->put_contents( $dir . 'index.html', '' ); } catch ( Exception $exception ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch // Creation failed. } } } }
return $dir; }
/** * The definitions used by WC_Admin_Settings to render and save settings controls. * * @return array */ private function get_settings_definitions(): array { $settings = array( 'start' => array( 'title' => __( 'Logs settings', 'woocommerce' ), 'id' => self::PREFIX . 'settings', 'type' => 'title', ), 'logging_enabled' => array( 'title' => __( 'Logger', 'woocommerce' ), 'desc' => __( 'Enable logging', 'woocommerce' ), 'id' => self::PREFIX . 'logging_enabled', 'type' => 'checkbox', 'value' => $this->logging_is_enabled() ? 'yes' : 'no', 'default' => self::DEFAULTS['logging_enabled'] ? 'yes' : 'no', 'autoload' => false, ), 'default_handler' => array(), 'retention_period_days' => array(), 'level_threshold' => array(), 'end' => array( 'id' => self::PREFIX . 'settings', 'type' => 'sectionend', ), );
if ( true === $this->logging_is_enabled() ) { $settings['default_handler'] = $this->get_default_handler_setting_definition(); $settings['retention_period_days'] = $this->get_retention_period_days_setting_definition(); $settings['level_threshold'] = $this->get_level_threshold_setting_definition();
$default_handler = $this->get_default_handler(); if ( in_array( $default_handler, array( LogHandlerFileV2::class, WC_Log_Handler_File::class ), true ) ) { $settings += $this->get_filesystem_settings_definitions(); } elseif ( WC_Log_Handler_DB::class === $default_handler ) { $settings += $this->get_database_settings_definitions(); } }
return $settings; }
/** * The definition for the default_handler setting. * * @return array */ private function get_default_handler_setting_definition(): array { $handler_options = array( LogHandlerFileV2::class => __( 'File system (default)', 'woocommerce' ), WC_Log_Handler_DB::class => __( 'Database (not recommended on live sites)', 'woocommerce' ), );
/** * Filter the list of logging handlers that can be set as the default handler. * * @param array $handler_options An associative array of class_name => description. * * @since 8.6.0 */ $handler_options = apply_filters( 'woocommerce_logger_handler_options', $handler_options );
$current_value = $this->get_default_handler(); if ( ! array_key_exists( $current_value, $handler_options ) ) { $handler_options[ $current_value ] = $current_value; }
$desc = array();
$desc[] = __( 'Note that if this setting is changed, any log entries that have already been recorded will remain stored in their current location, but will not migrate.', 'woocommerce' );
$hardcoded = ! is_null( Constants::get_constant( 'WC_LOG_HANDLER' ) ); if ( $hardcoded ) { $desc[] = sprintf( // translators: %s is the name of a code variable. __( 'This setting cannot be changed here because it is defined in the %s constant.', 'woocommerce' ), '<code>WC_LOG_HANDLER</code>' ); }
return array( 'title' => __( 'Log storage', 'woocommerce' ), 'desc_tip' => __( 'This determines where log entries are saved.', 'woocommerce' ), 'id' => self::PREFIX . 'default_handler', 'type' => 'radio', 'value' => $current_value, 'default' => self::DEFAULTS['default_handler'], 'autoload' => false, 'options' => $handler_options, 'disabled' => $hardcoded ? array_keys( $handler_options ) : array(), 'desc' => implode( '<br><br>', $desc ), 'desc_at_end' => true, ); }
/** * The definition for the retention_period_days setting. * * @return array */ private function get_retention_period_days_setting_definition(): array { $custom_attributes = array( 'min' => 1, 'step' => 1, );
$desc = array();
$hardcoded = has_filter( 'woocommerce_logger_days_to_retain_logs' ); if ( $hardcoded ) { $custom_attributes['disabled'] = 'true';
$desc[] = sprintf( // translators: %s is the name of a filter hook. __( 'This setting cannot be changed here because it is being set by a filter on the %s hook.', 'woocommerce' ), '<code>woocommerce_logger_days_to_retain_logs</code>' ); }
$file_delete_has_filter = LogHandlerFileV2::class === $this->get_default_handler() && has_filter( 'woocommerce_logger_delete_expired_file' ); if ( $file_delete_has_filter ) { $desc[] = sprintf( // translators: %s is the name of a filter hook. __( 'The %s hook has a filter set, so some log files may have different retention settings.', 'woocommerce' ), '<code>woocommerce_logger_delete_expired_file</code>' ); }
return array( 'title' => __( 'Retention period', 'woocommerce' ), 'desc_tip' => __( 'This sets how many days log entries will be kept before being auto-deleted.', 'woocommerce' ), 'id' => self::PREFIX . 'retention_period_days', 'type' => 'number', 'value' => $this->get_retention_period(), 'default' => self::DEFAULTS['retention_period_days'], 'autoload' => false, 'custom_attributes' => $custom_attributes, 'css' => 'width:70px;', 'row_class' => 'logs-retention-period-days', 'suffix' => sprintf( ' %s', __( 'days', 'woocommerce' ), ), 'desc' => implode( '<br><br>', $desc ), ); }
/** * The definition for the level_threshold setting. * * @return array */ private function get_level_threshold_setting_definition(): array { $hardcoded = ! is_null( Constants::get_constant( 'WC_LOG_THRESHOLD' ) ); $desc = ''; if ( $hardcoded ) { $desc = sprintf( // translators: %1$s is the name of a code variable. %2$s is the name of a file. __( 'This setting cannot be changed here because it is defined in the %1$s constant, probably in your %2$s file.', 'woocommerce' ), '<code>WC_LOG_THRESHOLD</code>', '<b>wp-config.php</b>' ); }
$labels = WC_Log_Levels::get_all_level_labels(); $labels['none'] = __( 'None', 'woocommerce' );
$custom_attributes = array(); if ( $hardcoded ) { $custom_attributes['disabled'] = 'true'; }
return array( 'title' => __( 'Level threshold', 'woocommerce' ), 'desc_tip' => __( 'This sets the minimum severity level of logs that will be stored. Lower severity levels will be ignored. "None" means all logs will be stored.', 'woocommerce' ), 'id' => self::PREFIX . 'level_threshold', 'type' => 'select', 'value' => $this->get_level_threshold(), 'default' => self::DEFAULTS['level_threshold'], 'autoload' => false, 'options' => $labels, 'custom_attributes' => $custom_attributes, 'css' => 'width:auto;', 'desc' => $desc, ); }
/** * The definitions used by WC_Admin_Settings to render settings related to filesystem log handlers. * * @return array */ private function get_filesystem_settings_definitions(): array { $location_info = array(); $directory = self::get_log_directory();
$status_info = array(); try { $filesystem = FilesystemUtil::get_wp_filesystem(); if ( $filesystem instanceof WP_Filesystem_Direct ) { $status_info[] = __( '✅ Ready', 'woocommerce' ); } else { $status_info[] = __( '⚠️ The file system is not configured for direct writes. This could cause problems for the logger.', 'woocommerce' ); $status_info[] = __( 'You may want to switch to the database for log storage.', 'woocommerce' ); } } catch ( Exception $exception ) { $status_info[] = __( '⚠️ The file system connection could not be initialized.', 'woocommerce' ); $status_info[] = __( 'You may want to switch to the database for log storage.', 'woocommerce' ); }
$location_info[] = sprintf( // translators: %s is a location in the filesystem. __( 'Log files are stored in this directory: %s', 'woocommerce' ), sprintf( '<code>%s</code>', esc_html( $directory ) ) );
if ( ! wp_is_writable( $directory ) ) { $location_info[] = __( '⚠️ This directory does not appear to be writable.', 'woocommerce' ); }
$location_info[] = sprintf( // translators: %s is an amount of computer disk space, e.g. 5 KB. __( 'Directory size: %s', 'woocommerce' ), size_format( wc_get_container()->get( FileController::class )->get_log_directory_size() ) );
return array( 'file_start' => array( 'title' => __( 'File system settings', 'woocommerce' ), 'id' => self::PREFIX . 'settings', 'type' => 'title', ), 'file_status' => array( 'title' => __( 'Status', 'woocommerce' ), 'type' => 'info', 'text' => implode( "\n\n", $status_info ), ), 'log_directory' => array( 'title' => __( 'Location', 'woocommerce' ), 'type' => 'info', 'text' => implode( "\n\n", $location_info ), ), 'entry_format' => array(), 'file_end' => array( 'id' => self::PREFIX . 'settings', 'type' => 'sectionend', ), ); }
/** * The definitions used by WC_Admin_Settings to render settings related to database log handlers. * * @return array */ private function get_database_settings_definitions(): array { global $wpdb; $table = "{$wpdb->prefix}woocommerce_log";
$location_info = sprintf( // translators: %s is the name of a table in the database. __( 'Log entries are stored in this database table: %s', 'woocommerce' ), "<code>$table</code>" );
return array( 'file_start' => array( 'title' => __( 'Database settings', 'woocommerce' ), 'id' => self::PREFIX . 'settings', 'type' => 'title', ), 'database_table' => array( 'title' => __( 'Location', 'woocommerce' ), 'type' => 'info', 'text' => $location_info, ), 'file_end' => array( 'id' => self::PREFIX . 'settings', 'type' => 'sectionend', ), ); }
/** * Handle the submission of the settings form and update the settings values. * * @param string $view The current view within the Logs tab. * * @return void * * @internal For exclusive usage of WooCommerce core, backwards compatibility not guaranteed. */ public function save_settings( string $view ): void { $is_saving = 'settings' === $view && isset( $_POST['save_settings'] );
if ( $is_saving ) { check_admin_referer( self::PREFIX . 'settings' );
if ( ! current_user_can( 'manage_woocommerce' ) ) { wp_die( esc_html__( 'You do not have permission to manage logging settings.', 'woocommerce' ) ); }
$settings = $this->get_settings_definitions();
WC_Admin_Settings::save_fields( $settings ); } }
/** * Render the settings page. * * @return void */ public function render_form(): void { $settings = $this->get_settings_definitions();
?> <form id="mainform" class="wc-logs-settings" method="post"> <?php WC_Admin_Settings::output_fields( $settings ); ?> <?php /** * Action fires after the built-in logging settings controls have been rendered. * * This is intended as a way to allow other logging settings controls to be added by extensions. * * @param bool $enabled True if logging is currently enabled. * * @since 8.6.0 */ do_action( 'wc_logs_settings_form_fields', $this->logging_is_enabled() ); ?> <?php wp_nonce_field( self::PREFIX . 'settings' ); ?> <?php submit_button( __( 'Save changes', 'woocommerce' ), 'primary', 'save_settings' ); ?> </form> <?php }
/** * Determine the current value of the logging_enabled setting. * * @return bool */ public function logging_is_enabled(): bool { $key = self::PREFIX . 'logging_enabled';
$enabled = WC_Admin_Settings::get_option( $key, self::DEFAULTS['logging_enabled'] ); $enabled = filter_var( $enabled, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE );
if ( is_null( $enabled ) ) { $enabled = self::DEFAULTS['logging_enabled']; }
return $enabled; }
/** * Determine the current value of the default_handler setting. * * @return string */ public function get_default_handler(): string { $key = self::PREFIX . 'default_handler';
$handler = Constants::get_constant( 'WC_LOG_HANDLER' );
if ( is_null( $handler ) ) { $handler = WC_Admin_Settings::get_option( $key ); }
if ( ! class_exists( $handler ) || ! is_a( $handler, 'WC_Log_Handler_Interface', true ) ) { $handler = self::DEFAULTS['default_handler']; }
return $handler; }
/** * Determine the current value of the retention_period_days setting. * * @return int */ public function get_retention_period(): int { $key = self::PREFIX . 'retention_period_days';
$retention_period = self::DEFAULTS['retention_period_days'];
if ( has_filter( 'woocommerce_logger_days_to_retain_logs' ) ) { /** * Filter the retention period of log entries. * * @param int $days The number of days to retain log entries. * * @since 3.4.0 */ $retention_period = apply_filters( 'woocommerce_logger_days_to_retain_logs', $retention_period ); } else { $retention_period = WC_Admin_Settings::get_option( $key ); }
$retention_period = absint( $retention_period );
if ( $retention_period < 1 ) { $retention_period = self::DEFAULTS['retention_period_days']; }
return $retention_period; }
/** * Determine the current value of the level_threshold setting. * * @return string */ public function get_level_threshold(): string { $key = self::PREFIX . 'level_threshold';
$threshold = Constants::get_constant( 'WC_LOG_THRESHOLD' );
if ( is_null( $threshold ) ) { $threshold = WC_Admin_Settings::get_option( $key ); }
if ( ! WC_Log_Levels::is_valid_level( $threshold ) ) { $threshold = self::DEFAULTS['level_threshold']; }
return $threshold; } }
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