2023-11-17 16:28:04 +01:00
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<?php
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/**
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* Inspired by the way elementor handles addons.
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*
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* @link https://github.com/elementor/elementor/
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*/
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namespace ActivityPub;
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2023-11-18 15:00:28 +01:00
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use function Activitypub\camel_to_snake_case;
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2023-11-17 16:28:04 +01:00
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* ActivityPub transformers manager.
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*
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* ActivityPub transformers manager handler class is responsible for registering and
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* initializing all the supported WP-Pobject to ActivityPub transformers.
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*
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* @since version_number_transformer_management_placeholder
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*/
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class Transformers_Manager {
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/**
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* Transformers.
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*
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2023-11-18 13:40:27 +01:00
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* Holds the list of all the ActivityPub transformers. Default is `null`.
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2023-11-17 16:28:04 +01:00
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*
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* @since 1.0.0
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* @access private
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*
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2023-11-18 13:40:27 +01:00
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* @var \ActivityPub\Transformer_Base[]
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*/
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private $transformers = array();
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2023-11-17 16:28:04 +01:00
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/**
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* Transformers manager constructor.
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*
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* Initializing ActivityPub transformers manager.
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*
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* @since version_number_transformer_management_placeholder
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* @access public
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*/
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public function __construct() {
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$this->require_files();
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2023-11-18 13:40:27 +01:00
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}
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2023-11-17 16:28:04 +01:00
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2023-11-18 13:40:27 +01:00
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/**
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* Require files.
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*
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* Require ActivityPub transformer base class.
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*
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* @since version_number_transformer_management_placeholder
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* @access private
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*/
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private function require_files() {
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require ACTIVITYPUB_PLUGIN_DIR . 'includes/base/class-transformer-base.php';
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}
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/**
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* Register a transformer.
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*
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* @since version_number_transformer_management_placeholder
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* @access public
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*
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* @param \ActivityPub\Transformer_Base $transformer_instance ActivityPub Transformer.
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*
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* @return bool True if the ActivityPub transformer was registered.
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*/
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public function register( Transformer_Base $transformer_instance) {
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if ( ! $transformer_instance instanceof Transformer_Base ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'ActivityPub transformer instance must be a implementation of the \ActivityPub\Transformer_Base class.' ),
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'version_number_transformer_management_placeholder'
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);
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return false;
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}
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$transformer_name = $transformer_instance->name;
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if ( preg_match( '/[A-Z]+/', $transformer_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'ActivityPub transformer names must not contain uppercase characters.' ),
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'version_number_transformer_management_placeholder'
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);
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return false;
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}
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$name_matcher = '/^[a-z0-9-]+\/[a-z0-9-]+$/';
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if ( ! preg_match( $name_matcher, $transformer_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'ActivityPub transformer names must contain a namespace prefix. Example: my-plugin/my-custom-transformer' ),
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'version_number_transformer_management_placeholder'
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);
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return false;
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}
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if ( $this->is_registered( $transformer_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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/* translators: %s: Block name. */
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sprintf( __( 'ActivityPub transformer with name "%s" is already registered.' ), $transformer_name ),
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'version_number_transformer_management_placeholder'
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);
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return false;
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}
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2023-11-17 16:28:04 +01:00
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2023-11-18 13:40:27 +01:00
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/**
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* Should the ActivityPub transformer be registered.
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*
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* @since version_number_transformer_management_placeholder
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*
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* @param bool $should_register Should the ActivityPub transformer be registered. Default is `true`.
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* @param \ActivityPub\Transformer_Base $transformer_instance Widget instance.
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*/
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$should_register = apply_filters( 'activitypub/transformers/is_transformer_enabled', true, $transformer_instance );
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if ( ! $should_register ) {
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return false;
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}
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$this->_transformers[ $transformer_name ] = $transformer_instance;
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return true;
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}
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/**
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2023-11-18 15:00:28 +01:00
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* Init transformers.
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2023-11-18 13:40:27 +01:00
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*
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2023-11-18 15:00:28 +01:00
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* Initialize ActivityPub transformer manager.
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*
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* Include the builtin transformers by default and add third party ones.
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2023-11-18 13:40:27 +01:00
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*
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2023-11-18 15:00:28 +01:00
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* @since version_number_transformer_management_placeholder
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2023-11-18 13:40:27 +01:00
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* @access private
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2023-11-18 15:00:28 +01:00
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*/
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private function init_transformers() {
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$builtin_transformers = [
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'post'
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];
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$this->_transformers = [];
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foreach ( $builtin_transformers as $transformer_name ) {
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include ACTIVITYPUB_PLUGIN_DIR . 'includes/transformers/class-' . $transformer_name . '.php';
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$class_name = camel_to_snake_case( $transformer_name );
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$class_name = __NAMESPACE__ . '\Transformer_' . $class_name;
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$this->register( new $class_name() );
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}
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/**
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* After the transformers are registered.
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*
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* Fires after the built-in Actiitypub transformers are registered.
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*
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* @since version_number_transformer_management_placeholder
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*
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* @param Transformer_Manager $this The widgets manager.
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*/
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do_action( 'activitypub/transformers/register', $this );
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}
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2023-11-18 15:00:28 +01:00
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}
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