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<?php
/**
* Utility functions to generate data synced to wpcom
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync;
use Automattic\Jetpack\Connection\Urls;
use Automattic\Jetpack\Constants;
use Automattic\Jetpack\Modules as Jetpack_Modules;
/**
* Utility functions to generate data synced to wpcom
*/
class Functions {
const HTTPS_CHECK_OPTION_PREFIX = 'jetpack_sync_https_history_';
const HTTPS_CHECK_HISTORY = 5;
/**
* Return array of Jetpack modules.
*
* @return array
*/
public static function get_modules() {
if ( defined( 'JETPACK__PLUGIN_DIR' ) ) {
require_once JETPACK__PLUGIN_DIR . 'class.jetpack-admin.php';
return \Jetpack_Admin::init()->get_modules();
}
return array();
}
/**
* Return array of taxonomies registered on the site.
*
* @return array
*/
public static function get_taxonomies() {
global $wp_taxonomies;
$wp_taxonomies_without_callbacks = array();
foreach ( $wp_taxonomies as $taxonomy_name => $taxonomy ) {
$sanitized_taxonomy = self::sanitize_taxonomy( $taxonomy );
if ( ! empty( $sanitized_taxonomy ) ) {
$wp_taxonomies_without_callbacks[ $taxonomy_name ] = $sanitized_taxonomy;
}
}
return $wp_taxonomies_without_callbacks;
}
/**
* Return array of registered shortcodes.
*
* @return array
*/
public static function get_shortcodes() {
global $shortcode_tags;
return array_keys( $shortcode_tags );
}
/**
* Removes any callback data since we will not be able to process it on our side anyways.
*
* @param \WP_Taxonomy $taxonomy \WP_Taxonomy item.
*
* @return mixed|null
*/
public static function sanitize_taxonomy( $taxonomy ) {
// Lets clone the taxonomy object instead of modifing the global one.
$cloned_taxonomy = json_decode( wp_json_encode( $taxonomy ) );
// recursive taxonomies are no fun.
if ( $cloned_taxonomy === null ) {
return null;
}
// Remove any meta_box_cb if they are not the default wp ones.
if ( isset( $cloned_taxonomy->meta_box_cb ) &&
! in_array( $cloned_taxonomy->meta_box_cb, array( 'post_tags_meta_box', 'post_categories_meta_box' ), true ) ) {
$cloned_taxonomy->meta_box_cb = null;
}
// Remove update call back.
if ( isset( $cloned_taxonomy->update_count_callback ) &&
$cloned_taxonomy->update_count_callback !== null ) {
$cloned_taxonomy->update_count_callback = null;
}
// Remove rest_controller_class if it something other then the default.
if ( isset( $cloned_taxonomy->rest_controller_class ) &&
'WP_REST_Terms_Controller' !== $cloned_taxonomy->rest_controller_class ) {
$cloned_taxonomy->rest_controller_class = null;
}
return $cloned_taxonomy;
}
/**
* Return array of registered post types.
*
* @return array
*/
public static function get_post_types() {
global $wp_post_types;
$post_types_without_callbacks = array();
foreach ( $wp_post_types as $post_type_name => $post_type ) {
$sanitized_post_type = self::sanitize_post_type( $post_type );
if ( ! empty( $sanitized_post_type ) ) {
$post_types_without_callbacks[ $post_type_name ] = $sanitized_post_type;
}
}
return $post_types_without_callbacks;
}
/**
* Sanitizes by cloning post type object.
*
* @param object $post_type \WP_Post_Type.
*
* @return object
*/
public static function sanitize_post_type( $post_type ) {
// Lets clone the post type object instead of modifing the global one.
$sanitized_post_type = array();
foreach ( Defaults::$default_post_type_attributes as $attribute_key => $default_value ) {
if ( isset( $post_type->{ $attribute_key } ) ) {
$sanitized_post_type[ $attribute_key ] = $post_type->{ $attribute_key };
}
}
return (object) $sanitized_post_type;
}
/**
* Return information about a synced post type.
*
* @param array $sanitized_post_type Array of args used in constructing \WP_Post_Type.
* @param string $post_type Post type name.
*
* @return object \WP_Post_Type
*/
public static function expand_synced_post_type( $sanitized_post_type, $post_type ) {
$post_type = sanitize_key( $post_type );
$post_type_object = new \WP_Post_Type( $post_type, $sanitized_post_type );
$post_type_object->add_supports();
$post_type_object->add_rewrite_rules();
$post_type_object->add_hooks();
$post_type_object->register_taxonomies();
return (object) $post_type_object;
}
/**
* Returns site's post_type_features.
*
* @return array
*/
public static function get_post_type_features() {
global $_wp_post_type_features;
return $_wp_post_type_features;
}
/**
* Return hosting provider.
*
* Uses a set of known constants, classes, or functions to help determine the hosting platform.
*
* @return string Hosting provider.
*/
public static function get_hosting_provider() {
$hosting_provider_detection_methods = array(
'get_hosting_provider_by_known_constant',
'get_hosting_provider_by_known_class',
'get_hosting_provider_by_known_function',
);
$functions = new Functions();
foreach ( $hosting_provider_detection_methods as $method ) {
$hosting_provider = call_user_func( array( $functions, $method ) );
if ( false !== $hosting_provider ) {
return $hosting_provider;
}
}
return 'unknown';
}
/**
* Return a hosting provider using a set of known constants.
*
* @return mixed A host identifier string or false.
*/
public function get_hosting_provider_by_known_constant() {
$hosting_provider_constants = array(
'GD_SYSTEM_PLUGIN_DIR' => 'gd-managed-wp',
'MM_BASE_DIR' => 'bh',
'PAGELYBIN' => 'pagely',
'KINSTAMU_VERSION' => 'kinsta',
'FLYWHEEL_CONFIG_DIR' => 'flywheel',
'IS_PRESSABLE' => 'pressable',
'VIP_GO_ENV' => 'vip-go',
);
foreach ( $hosting_provider_constants as $constant => $constant_value ) {
if ( Constants::is_defined( $constant ) ) {
if ( 'VIP_GO_ENV' === $constant && false === Constants::get_constant( 'VIP_GO_ENV' ) ) {
continue;
}
return $constant_value;
}
}
return false;
}
/**
* Return a hosting provider using a set of known classes.
*
* @return mixed A host identifier string or false.
*/
public function get_hosting_provider_by_known_class() {
$hosting_provider = false;
switch ( true ) {
case ( class_exists( '\\WPaaS\\Plugin' ) ):
$hosting_provider = 'gd-managed-wp';
break;
}
return $hosting_provider;
}
/**
* Return a hosting provider using a set of known functions.
*
* @return mixed A host identifier string or false.
*/
public function get_hosting_provider_by_known_function() {
$hosting_provider = false;
switch ( true ) {
case ( function_exists( 'is_wpe' ) || function_exists( 'is_wpe_snapshot' ) ):
$hosting_provider = 'wpe';
break;
}
return $hosting_provider;
}
/**
* Return array of allowed REST API post types.
*
* @return array Array of allowed post types.
*/
public static function rest_api_allowed_post_types() {
/** This filter is already documented in class.json-api-endpoints.php */
return apply_filters( 'rest_api_allowed_post_types', array( 'post', 'page', 'revision' ) );
}
/**
* Return array of allowed REST API public metadata.
*
* @return array Array of allowed metadata.
*/
public static function rest_api_allowed_public_metadata() {
/**
* Filters the meta keys accessible by the REST API.
*
* @see https://developer.wordpress.com/2013/04/26/custom-post-type-and-metadata-support-in-the-rest-api/
*
* @module json-api
*
* @since 1.6.3
* @since-jetpack 2.2.3
*
* @param array $whitelisted_meta Array of metadata that is accessible by the REST API.
*/
return apply_filters( 'rest_api_allowed_public_metadata', array() );
}
/**
* Finds out if a site is using a version control system.
*
* @return bool
**/
public static function is_version_controlled() {
if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
}
$updater = new \WP_Automatic_Updater();
return (bool) (string) $updater->is_vcs_checkout( ABSPATH );
}
/**
* Returns true if the site has file write access false otherwise.
*
* @return bool
**/
public static function file_system_write_access() {
if ( ! function_exists( 'get_filesystem_method' ) ) {
require_once ABSPATH . 'wp-admin/includes/file.php';
}
require_once ABSPATH . 'wp-admin/includes/template.php';
$filesystem_method = get_filesystem_method();
if ( 'direct' === $filesystem_method ) {
return true;
}
ob_start();
if ( ! function_exists( 'request_filesystem_credentials' ) ) {
require_once ABSPATH . 'wp-admin/includes/file.php';
}
$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
ob_end_clean();
if ( $filesystem_credentials_are_stored ) {
return true;
}
return false;
}
/**
* Helper function that is used when getting home or siteurl values. Decides
* whether to get the raw or filtered value.
*
* @deprecated 1.23.1
*
* @param string $url_type URL to get, home or siteurl.
* @return string
*/
public static function get_raw_or_filtered_url( $url_type ) {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_raw_or_filtered_url' );
return Urls::get_raw_or_filtered_url( $url_type );
}
/**
* Return the escaped home_url.
*
* @deprecated 1.23.1
*
* @return string
*/
public static function home_url() {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::home_url' );
return Urls::home_url();
}
/**
* Return the escaped siteurl.
*
* @deprecated 1.23.1
*
* @return string
*/
public static function site_url() {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::site_url' );
return Urls::site_url();
}
/**
* Return main site URL with a normalized protocol.
*
* @deprecated 1.23.1
*
* @return string
*/
public static function main_network_site_url() {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::main_network_site_url' );
return Urls::main_network_site_url();
}
/**
* Return main site WordPress.com site ID.
*
* @return string
*/
public static function main_network_site_wpcom_id() {
/**
* Return the current site WPCOM ID for single site installs
*/
if ( ! is_multisite() ) {
return \Jetpack_Options::get_option( 'id' );
}
/**
* Return the main network site WPCOM ID for multi-site installs
*/
$current_network = get_network();
switch_to_blog( $current_network->blog_id );
$wpcom_blog_id = \Jetpack_Options::get_option( 'id' );
restore_current_blog();
return $wpcom_blog_id;
}
/**
* Return URL with a normalized protocol.
*
* @deprecated 1.23.1
*
* @param callable $callable Function to retrieve URL option.
* @param string $new_value URL Protocol to set URLs to.
* @return string Normalized URL.
*/
public static function get_protocol_normalized_url( $callable, $new_value ) {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_protocol_normalized_url' );
return Urls::get_protocol_normalized_url( $callable, $new_value );
}
/**
* Return URL from option or PHP constant.
*
* @deprecated 1.23.1
*
* @param string $option_name (e.g. 'home').
*
* @return mixed|null URL.
*/
public static function get_raw_url( $option_name ) {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::get_raw_url' );
return Urls::get_raw_url( $option_name );
}
/**
* Normalize domains by removing www unless declared in the site's option.
*
* @deprecated 1.23.1
*
* @param string $option Option value from the site.
* @param callable $url_function Function retrieving the URL to normalize.
* @return mixed|string URL.
*/
public static function normalize_www_in_url( $option, $url_function ) {
_deprecated_function( __METHOD__, '1.23.1', '\\Automattic\\Jetpack\\Connection\\Urls::normalize_www_in_url' );
return Urls::normalize_www_in_url( $option, $url_function );
}
/**
* Return filtered value of get_plugins.
*
* @return mixed|void
*/
public static function get_plugins() {
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
return apply_filters( 'all_plugins', get_plugins() );
}
/**
* Get custom action link tags that the plugin is using
* Ref: https://codex.wordpress.org/Plugin_API/Filter_Reference/plugin_action_links_(plugin_file_name)
*
* @param string $plugin_file_singular Particular plugin.
* @return array of plugin action links (key: link name value: url)
*/
public static function get_plugins_action_links( $plugin_file_singular = null ) {
// Some sites may have DOM disabled in PHP fail early.
if ( ! class_exists( 'DOMDocument' ) ) {
return array();
}
$plugins_action_links = get_option( 'jetpack_plugin_api_action_links', array() );
if ( ! empty( $plugins_action_links ) ) {
if ( $plugin_file_singular === null ) {
return $plugins_action_links;
}
return ( isset( $plugins_action_links[ $plugin_file_singular ] ) ? $plugins_action_links[ $plugin_file_singular ] : null );
}
return array();
}
/**
* Return the WP version as defined in the $wp_version global.
*
* @return string
*/
public static function wp_version() {
global $wp_version;
return $wp_version;
}
/**
* Return site icon url used on the site.
*
* @param int $size Size of requested icon in pixels.
* @return mixed|string|void
*/
public static function site_icon_url( $size = 512 ) {
$site_icon = get_site_icon_url( $size );
return $site_icon ? $site_icon : get_option( 'jetpack_site_icon_url' );
}
/**
* Return roles registered on the site.
*
* @return array
*/
public static function roles() {
$wp_roles = wp_roles();
return $wp_roles->roles;
}
/**
* Determine time zone from WordPress' options "timezone_string"
* and "gmt_offset".
*
* 1. Check if `timezone_string` is set and return it.
* 2. Check if `gmt_offset` is set, formats UTC-offset from it and return it.
* 3. Default to "UTC+0" if nothing is set.
*
* Note: This function is specifically not using wp_timezone() to keep consistency with
* the existing formatting of the timezone string.
*
* @return string
*/
public static function get_timezone() {
$timezone_string = get_option( 'timezone_string' );
if ( ! empty( $timezone_string ) ) {
return str_replace( '_', ' ', $timezone_string );
}
$gmt_offset = get_option( 'gmt_offset', 0 );
$formatted_gmt_offset = sprintf( '%+g', (float) $gmt_offset );
$formatted_gmt_offset = str_replace(
array( '.25', '.5', '.75' ),
array( ':15', ':30', ':45' ),
(string) $formatted_gmt_offset
);
/* translators: %s is UTC offset, e.g. "+1" */
return sprintf( __( 'UTC%s', 'jetpack-sync' ), $formatted_gmt_offset );
}
/**
* Return list of paused themes.
*
* @return array|bool Array of paused themes or false if unsupported.
*/
public static function get_paused_themes() {
$paused_themes = wp_paused_themes();
return $paused_themes->get_all();
}
/**
* Return list of paused plugins.
*
* @return array|bool Array of paused plugins or false if unsupported.
*/
public static function get_paused_plugins() {
$paused_plugins = wp_paused_plugins();
return $paused_plugins->get_all();
}
/**
* Return the theme's supported features.
* Used for syncing the supported feature that we care about.
*
* @return array List of features that the theme supports.
*/
public static function get_theme_support() {
global $_wp_theme_features;
$theme_support = array();
foreach ( Defaults::$default_theme_support_whitelist as $theme_feature ) {
$has_support = current_theme_supports( $theme_feature );
if ( $has_support ) {
$theme_support[ $theme_feature ] = $_wp_theme_features[ $theme_feature ];
}
}
return $theme_support;
}
/**
* Returns if the current theme is a Full Site Editing theme.
*
* @return bool Theme is a Full Site Editing theme.
*/
public static function get_is_fse_theme() {
return function_exists( 'gutenberg_is_fse_theme' ) && gutenberg_is_fse_theme();
}
/**
* Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
*
* @since 1.21.0
*
* @param array|obj $any Source data to be cleaned up.
* @param array $seen_nodes Built array of nodes.
*
* @return array
*/
public static function json_wrap( &$any, $seen_nodes = array() ) {
if ( is_object( $any ) ) {
$input = get_object_vars( $any );
$input['__o'] = 1;
} else {
$input = &$any;
}
if ( is_array( $input ) ) {
$seen_nodes[] = &$any;
$return = array();
foreach ( $input as $k => &$v ) {
if ( ( is_array( $v ) || is_object( $v ) ) ) {
if ( in_array( $v, $seen_nodes, true ) ) {
continue;
}
$return[ $k ] = self::json_wrap( $v, $seen_nodes );
} else {
$return[ $k ] = $v;
}
}
return $return;
}
return $any;
}
/**
* Return the list of installed themes
*
* @since 1.31.0
*
* @return array
*/
public static function get_themes() {
$current_stylesheet = get_stylesheet();
$installed_themes = wp_get_themes();
$synced_headers = array( 'Name', 'ThemeURI', 'Author', 'Version', 'Template', 'Status', 'TextDomain', 'RequiresWP', 'RequiresPHP' );
$themes = array();
foreach ( $installed_themes as $stylesheet => $theme ) {
$themes[ $stylesheet ] = array();
foreach ( $synced_headers as $header ) {
$themes[ $stylesheet ][ $header ] = $theme->get( $header );
}
$themes[ $stylesheet ]['active'] = $stylesheet === $current_stylesheet;
if ( method_exists( $theme, 'is_block_theme' ) ) {
$themes[ $stylesheet ]['is_block_theme'] = $theme->is_block_theme();
}
}
/**
* Filters the output of Sync's get_theme callable
*
* @since 1.31.0
*
* @param array $themes The list of installed themes formatted in an array with a collection of information extracted from the Theme's headers
*/
return apply_filters( 'jetpack_sync_get_themes_callable', $themes );
}
/**
* Return the list of active Jetpack modules.
*
* @since $$next_version$$
*
* @return array
*/
public static function get_active_modules() {
return ( new Jetpack_Modules() )->get_active();
}
}