Mini Shell
<?php
/**
* The Data Settings class.
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync;
/**
* The Data_Settings class
*/
class Data_Settings {
/**
* The data that must be synced for every synced site.
*/
const MUST_SYNC_DATA_SETTINGS = array(
'jetpack_sync_modules' => array(
'Automattic\\Jetpack\\Sync\\Modules\\Callables',
'Automattic\\Jetpack\\Sync\\Modules\\Constants',
'Automattic\\Jetpack\\Sync\\Modules\\Full_Sync_Immediately', // enable Initial Sync on Site Connection.
'Automattic\\Jetpack\\Sync\\Modules\\Options',
'Automattic\\Jetpack\\Sync\\Modules\\Updates',
),
'jetpack_sync_callable_whitelist' => array(
'site_url' => array( 'Automattic\\Jetpack\\Connection\\Urls', 'site_url' ),
'home_url' => array( 'Automattic\\Jetpack\\Connection\\Urls', 'home_url' ),
'get_plugins' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'get_plugins' ),
'get_themes' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'get_themes' ),
'paused_plugins' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'get_paused_plugins' ),
'paused_themes' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'get_paused_themes' ),
'timezone' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'get_timezone' ),
'wp_get_environment_type' => 'wp_get_environment_type',
'wp_max_upload_size' => 'wp_max_upload_size',
'wp_version' => array( 'Automattic\\Jetpack\\Sync\\Functions', 'wp_version' ),
),
'jetpack_sync_constants_whitelist' => array(
'ABSPATH',
'ALTERNATE_WP_CRON',
'ATOMIC_CLIENT_ID',
'AUTOMATIC_UPDATER_DISABLED',
'DISABLE_WP_CRON',
'DISALLOW_FILE_EDIT',
'DISALLOW_FILE_MODS',
'EMPTY_TRASH_DAYS',
'FS_METHOD',
'IS_PRESSABLE',
'PHP_VERSION',
'WP_ACCESSIBLE_HOSTS',
'WP_AUTO_UPDATE_CORE',
'WP_CONTENT_DIR',
'WP_CRON_LOCK_TIMEOUT',
'WP_DEBUG',
'WP_HTTP_BLOCK_EXTERNAL',
'WP_MAX_MEMORY_LIMIT',
'WP_MEMORY_LIMIT',
'WP_POST_REVISIONS',
),
'jetpack_sync_options_whitelist' => array(
/**
* Sync related options
*/
'jetpack_sync_non_blocking',
'jetpack_sync_non_public_post_stati',
'jetpack_sync_settings_comment_meta_whitelist',
'jetpack_sync_settings_post_meta_whitelist',
'jetpack_sync_settings_post_types_blacklist',
'jetpack_sync_settings_taxonomies_blacklist',
'jetpack_sync_settings_dedicated_sync_enabled',
/**
* Connection related options
*/
'jetpack_connection_active_plugins',
/**
* Generic site options
*/
'blog_charset',
'blog_public',
'blogdescription',
'blogname',
'permalink_structure',
'stylesheet',
'time_format',
'timezone_string',
),
);
const MODULE_FILTER_MAPPING = array(
'Automattic\\Jetpack\\Sync\\Modules\\Options' => array(
'jetpack_sync_options_whitelist',
'jetpack_sync_options_contentless',
),
'Automattic\\Jetpack\\Sync\\Modules\\Constants' => array(
'jetpack_sync_constants_whitelist',
),
'Automattic\\Jetpack\\Sync\\Modules\\Callables' => array(
'jetpack_sync_callable_whitelist',
'jetpack_sync_multisite_callable_whitelist',
),
'Automattic\\Jetpack\\Sync\\Modules\\Posts' => array(
'jetpack_sync_post_meta_whitelist',
),
'Automattic\\Jetpack\\Sync\\Modules\\Comments' => array(
'jetpack_sync_comment_meta_whitelist',
),
'Automattic\\Jetpack\\Sync\\Modules\\Users' => array(
'jetpack_sync_capabilities_whitelist',
),
'Automattic\\Jetpack\\Sync\\Modules\\Import' => array(
'jetpack_sync_known_importers',
),
);
const MODULES_FILTER_NAME = 'jetpack_sync_modules';
/**
* The static data settings array which contains the aggregated data settings for
* each sync filter.
*
* @var array
*/
private static $data_settings = array();
/**
* The static array which contains the list of filter hooks that have already been set up.
*
* @var array
*/
private static $set_filter_hooks = array();
/**
* Adds the data settings provided by a plugin to the Sync data settings.
*
* @param array $plugin_settings The array provided by the plugin. The array must use filters
* from the DATA_FILTER_DEFAULTS list as keys.
*/
public function add_settings_list( $plugin_settings = array() ) {
if ( empty( $plugin_settings ) || ! is_array( $plugin_settings ) ) {
/*
* No custom plugin settings, so use defaults for everything and bail early.
*/
$this->set_all_defaults();
return;
}
$this->add_filters_custom_settings_and_hooks( $plugin_settings );
if ( ! did_action( 'jetpack_sync_add_required_data_settings' ) ) {
$this->add_required_settings();
/**
* Fires when the required settings have been adding to the static
* data_settings array.
*
* @since 1.29.2
*
* @module sync
*/
do_action( 'jetpack_sync_add_required_data_settings' );
}
}
/**
* Sets the default values for sync modules and all sync data filters.
*/
private function set_all_defaults() {
$this->add_sync_filter_setting( self::MODULES_FILTER_NAME, Modules::DEFAULT_SYNC_MODULES );
foreach ( array_keys( Default_Filter_Settings::DATA_FILTER_DEFAULTS ) as $filter ) {
$this->add_sync_filter_setting( $filter, $this->get_default_setting_for_filter( $filter ) );
}
}
/**
* Returns the default settings for the given filter.
*
* @param string $filter The filter name.
*
* @return array The filter's default settings array.
*/
private function get_default_setting_for_filter( $filter ) {
if ( self::MODULES_FILTER_NAME === $filter ) {
return Modules::DEFAULT_SYNC_MODULES;
}
return ( new Default_Filter_Settings() )->get_default_settings( $filter );
}
/**
* Adds the custom settings and sets up the necessary filter hooks.
*
* @param array $filters_settings The custom settings.
*/
private function add_filters_custom_settings_and_hooks( $filters_settings ) {
if ( isset( $filters_settings[ self::MODULES_FILTER_NAME ] ) && is_array( $filters_settings[ self::MODULES_FILTER_NAME ] ) ) {
$this->add_custom_filter_setting( self::MODULES_FILTER_NAME, $filters_settings[ self::MODULES_FILTER_NAME ] );
$enabled_modules = $filters_settings[ self::MODULES_FILTER_NAME ];
} else {
$this->add_sync_filter_setting( self::MODULES_FILTER_NAME, Modules::DEFAULT_SYNC_MODULES );
$enabled_modules = Modules::DEFAULT_SYNC_MODULES;
}
$all_modules = Modules::DEFAULT_SYNC_MODULES;
foreach ( $all_modules as $module ) {
if ( in_array( $module, $enabled_modules, true ) || in_array( $module, self::MUST_SYNC_DATA_SETTINGS['jetpack_sync_modules'], true ) ) {
$this->add_filters_for_enabled_module( $module, $filters_settings );
} else {
$this->add_filters_for_disabled_module( $module );
}
}
}
/**
* Adds the filters for the provided enabled module. If the settings provided custom filter settings
* for the module's filters, those are used. Otherwise, the filter's default settings are used.
*
* @param string $module The module name.
* @param array $filters_settings The settings for the filters.
*/
private function add_filters_for_enabled_module( $module, $filters_settings ) {
$module_mapping = self::MODULE_FILTER_MAPPING;
$filters_for_module = isset( $module_mapping[ $module ] ) ? $module_mapping[ $module ] : array();
foreach ( $filters_for_module as $filter ) {
if ( isset( $filters_settings[ $filter ] ) ) {
$this->add_custom_filter_setting( $filter, $filters_settings[ $filter ] );
} else {
$this->add_sync_filter_setting( $filter, $this->get_default_setting_for_filter( $filter ) );
}
}
}
/**
* Adds the filters for the provided disabled module. The disabled module's associated filter settings are
* set to an empty array.
*
* @param string $module The module name.
*/
private function add_filters_for_disabled_module( $module ) {
$module_mapping = self::MODULE_FILTER_MAPPING;
$filters_for_module = isset( $module_mapping[ $module ] ) ? $module_mapping[ $module ] : array();
foreach ( $filters_for_module as $filter ) {
$this->add_custom_filter_setting( $filter, array() );
}
}
/**
* Adds the provided custom setting for a filter. If the filter setting isn't valid, the default
* value is used.
*
* If the filter's hook hasn't already been set up, it gets set up.
*
* @param string $filter The filter.
* @param array $setting The filter setting.
*/
private function add_custom_filter_setting( $filter, $setting ) {
if ( ! $this->is_valid_filter_setting( $filter, $setting ) ) {
/*
* The provided setting isn't valid, so use the default for this filter.
* We're using the default values so there's no need to set the filter hook.
*/
$this->add_sync_filter_setting( $filter, $this->get_default_setting_for_filter( $filter ) );
return;
}
if ( ! isset( static::$set_filter_hooks[ $filter ] ) ) {
// First time a custom modules setting is provided, so set the filter hook.
add_filter( $filter, array( $this, 'sync_data_filter_hook' ) );
static::$set_filter_hooks[ $filter ] = 1;
}
$this->add_sync_filter_setting( $filter, $setting );
}
/**
* Determines whether the filter setting is valid. The setting array is in the correct format (associative or indexed).
*
* @param string $filter The filter to check.
* @param array $filter_settings The filter settings.
*
* @return bool Whether the filter settings can be used.
*/
private function is_valid_filter_setting( $filter, $filter_settings ) {
if ( ! is_array( $filter_settings ) ) {
// The settings for each filter must be an array.
return false;
}
if ( empty( $filter_settings ) ) {
// Empty settings are allowed.
return true;
}
$indexed_array = isset( $filter_settings[0] );
if ( in_array( $filter, Default_Filter_Settings::ASSOCIATIVE_FILTERS, true ) && ! $indexed_array ) {
return true;
} elseif ( ! in_array( $filter, Default_Filter_Settings::ASSOCIATIVE_FILTERS, true ) && $indexed_array ) {
return true;
}
return false;
}
/**
* Adds the data settings that are always required for every plugin that uses Sync.
*/
private function add_required_settings() {
foreach ( self::MUST_SYNC_DATA_SETTINGS as $filter => $setting ) {
// If the corresponding setting is already set and matches the default one, no need to proceed.
if ( isset( static::$data_settings[ $filter ] ) && static::$data_settings[ $filter ] === $this->get_default_setting_for_filter( $filter ) ) {
continue;
}
$this->add_custom_filter_setting( $filter, $setting );
}
}
/**
* Adds the provided data setting for the provided filter.
*
* @param string $filter The filter name.
* @param array $value The data setting.
*/
private function add_sync_filter_setting( $filter, $value ) {
if ( ! isset( static::$data_settings[ $filter ] ) ) {
static::$data_settings[ $filter ] = $value;
return;
}
if ( in_array( $filter, Default_Filter_Settings::ASSOCIATIVE_FILTERS, true ) ) {
$this->add_associative_filter_setting( $filter, $value );
} else {
$this->add_indexed_filter_setting( $filter, $value );
}
}
/**
* Adds the provided data setting for the provided filter. This method handles
* adding settings to data that is stored as an associative array.
*
* @param string $filter The filter name.
* @param array $settings The data settings.
*/
private function add_associative_filter_setting( $filter, $settings ) {
foreach ( $settings as $key => $item ) {
if ( ! array_key_exists( $key, static::$data_settings[ $filter ] ) ) {
static::$data_settings[ $filter ][ $key ] = $item;
}
}
}
/**
* Adds the provided data setting for the provided filter. This method handles
* adding settings to data that is stored as an indexed array.
*
* @param string $filter The filter name.
* @param array $settings The data settings.
*/
private function add_indexed_filter_setting( $filter, $settings ) {
static::$data_settings[ $filter ] = array_unique(
array_merge(
static::$data_settings[ $filter ],
$settings
)
);
}
/**
* The callback function added to the sync data filters. Combines the list in the $data_settings property
* with any non-default values from the received array.
*
* @param array $filtered_values The data revieved from the filter.
*
* @return array The data settings for the filter.
*/
public function sync_data_filter_hook( $filtered_values ) {
if ( ! is_array( $filtered_values ) ) {
// Something is wrong with the input, so set it to an empty array.
$filtered_values = array();
}
$current_filter = current_filter();
if ( ! isset( static::$data_settings[ $current_filter ] ) ) {
return $filtered_values;
}
if ( in_array( $current_filter, Default_Filter_Settings::ASSOCIATIVE_FILTERS, true ) ) {
$extra_filters = array_diff_key( $filtered_values, $this->get_default_setting_for_filter( $current_filter ) );
$this->add_associative_filter_setting( $current_filter, $extra_filters );
return static::$data_settings[ $current_filter ];
}
$extra_filters = array_diff( $filtered_values, $this->get_default_setting_for_filter( $current_filter ) );
$this->add_indexed_filter_setting( $current_filter, $extra_filters );
return static::$data_settings[ $current_filter ];
}
/**
* Sets the $data_settings property to an empty array. This is useful for testing.
*/
public function empty_data_settings_and_hooks() {
static::$data_settings = array();
static::$set_filter_hooks = array();
}
/**
* Returns the $data_settings property.
*
* @return array The data_settings property.
*/
public function get_data_settings() {
return static::$data_settings;
}
}
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