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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\Traits\AccessiblePrivateMethods;
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 {
use AccessiblePrivateMethods;
/**
* 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() {
self::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
*/
private 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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