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<?php
/**
* The base Jetpack configuration class file.
*
* @package automattic/jetpack-config
*/
namespace Automattic\Jetpack;
use Automattic\Jetpack\Connection\Manager;
use Automattic\Jetpack\JITM;
use Automattic\Jetpack\Plugin\Tracking as Plugin_Tracking;
use Automattic\Jetpack\Sync\Main as Sync_Main;
use Automattic\Jetpack\Terms_Of_Service;
/**
* The configuration class.
*/
class Config {
const FEATURE_ENSURED = 1;
const FEATURE_NOT_AVAILABLE = 0;
const FEATURE_ALREADY_ENSURED = -1;
/**
* The initial setting values.
*
* @var Array
*/
protected $config = array(
'jitm' => false,
'connection' => false,
'sync' => false,
'tracking' => false,
'tos' => false,
);
/**
* Creates the configuration class instance.
*/
public function __construct() {
/**
* Adding the config handler to run on priority 2 because the class itself is
* being constructed on priority 1.
*/
add_action( 'plugins_loaded', array( $this, 'on_plugins_loaded' ), 2 );
}
/**
* Require a feature to be initialized. It's up to the package consumer to actually add
* the package to their composer project. Declaring a requirement using this method
* instructs the class to initalize it.
*
* @param String $feature the feature slug.
*/
public function ensure( $feature ) {
$this->config[ $feature ] = true;
}
/**
* Runs on plugins_loaded hook priority with priority 2.
*
* @action plugins_loaded
*/
public function on_plugins_loaded() {
if ( $this->config['connection'] ) {
$this->ensure_class( 'Automattic\Jetpack\Connection\Manager' )
&& $this->ensure_feature( 'connection' );
}
if ( $this->config['tracking'] ) {
$this->ensure_class( 'Automattic\Jetpack\Terms_Of_Service' )
&& $this->ensure_class( 'Automattic\Jetpack\Tracking' )
&& $this->ensure_feature( 'tracking' );
}
if ( $this->config['sync'] ) {
$this->ensure_class( 'Automattic\Jetpack\Sync\Main' )
&& $this->ensure_feature( 'sync' );
}
if ( $this->config['jitm'] ) {
$this->ensure_class( 'Automattic\Jetpack\JITM' )
&& $this->ensure_feature( 'jitm' );
}
}
/**
* Returns true if the required class is available and alerts the user if it's not available
* in case the site is in debug mode.
*
* @param String $classname a fully qualified class name.
* @return Boolean whether the class is available.
*/
protected function ensure_class( $classname ) {
$available = class_exists( $classname );
if ( ! $available && defined( 'WP_DEBUG' ) && WP_DEBUG ) {
trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error
sprintf(
/* translators: %1$s is a PHP class name. */
esc_html__(
'Unable to load class %1$s. Please add the package that contains it using composer and make sure you are requiring the Jetpack autoloader',
'jetpack'
),
esc_html( $classname )
),
E_USER_NOTICE
);
}
return $available;
}
/**
* Ensures a feature is enabled, sets it up if it hasn't already been set up.
*
* @param String $feature slug of the feature.
* @return Integer either FEATURE_ENSURED, FEATURE_ALREADY_ENSURED or FEATURE_NOT_AVAILABLE constants.
*/
protected function ensure_feature( $feature ) {
$method = 'enable_' . $feature;
if ( ! method_exists( $this, $method ) ) {
return self::FEATURE_NOT_AVAILABLE;
}
if ( did_action( 'jetpack_feature_' . $feature . '_enabled' ) ) {
return self::FEATURE_ALREADY_ENSURED;
}
$this->{ $method }();
/**
* Fires when a specific Jetpack package feature is initalized using the Config package.
*
* @since 8.2.0
*/
do_action( 'jetpack_feature_' . $feature . '_enabled' );
return self::FEATURE_ENSURED;
}
/**
* Dummy method to enable Terms of Service.
*/
protected function enable_tos() {
return true;
}
/**
* Enables the tracking feature. Depends on the Terms of Service package, so enables it too.
*/
protected function enable_tracking() {
// Enabling dependencies.
$this->ensure_feature( 'tos' );
$terms_of_service = new Terms_Of_Service();
$tracking = new Plugin_Tracking();
if ( $terms_of_service->has_agreed() ) {
add_action( 'init', array( $tracking, 'init' ) );
} else {
/**
* Initialize tracking right after the user agrees to the terms of service.
*/
add_action( 'jetpack_agreed_to_terms_of_service', array( $tracking, 'init' ) );
}
return true;
}
/**
* Enables the JITM feature.
*/
protected function enable_jitm() {
JITM::configure();
return true;
}
/**
* Enables the Sync feature.
*/
protected function enable_sync() {
Sync_Main::configure();
return true;
}
/**
* Enables the Connection feature.
*/
protected function enable_connection() {
Manager::configure();
return true;
}
}
|