laipower/wp-content/plugins/activitypub/includes/rest/class-comments-controller.php

157 lines
3.7 KiB
PHP

<?php
/**
* Comments_Controller file.
*
* @package Activitypub
*/
namespace Activitypub\Rest;
use Activitypub\Comment;
use Activitypub\Webfinger;
/**
* Comments_Controller class.
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#followers
*/
class Comments_Controller extends \WP_REST_Controller {
/**
* The namespace of this controller's route.
*
* @var string
*/
protected $namespace = ACTIVITYPUB_REST_NAMESPACE;
/**
* The base of this controller's route.
*
* @var string
*/
protected $rest_base = 'comments/(?P<comment_id>\d+)';
/**
* Register routes.
*/
public function register_routes() {
\register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/remote-reply',
array(
'args' => array(
'comment_id' => array(
'description' => 'The ID of the comment.',
'type' => 'integer',
'required' => true,
'validate_callback' => array( $this, 'validate_comment' ),
),
),
array(
'methods' => \WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => '__return_true',
'args' => array(
'resource' => array(
'description' => 'The resource to reply to.',
'type' => 'string',
'required' => true,
),
),
),
'schema' => array( $this, 'get_item_schema' ),
)
);
}
/**
* Validates if a comment can be replied to remotely.
*
* @param mixed $param The parameter to validate.
*
* @return true|\WP_Error True if the comment can be replied to, WP_Error otherwise.
*/
public function validate_comment( $param ) {
$comment = \get_comment( $param );
if ( ! $comment ) {
return new \WP_Error( 'activitypub_comment_not_found', \__( 'Comment not found', 'activitypub' ), array( 'status' => 404 ) );
}
$is_local = Comment::is_local( $comment );
if ( $is_local ) {
return new \WP_Error( 'activitypub_local_only_comment', \__( 'Comment is local only', 'activitypub' ), array( 'status' => 403 ) );
}
return true;
}
/**
* Retrieves the remote reply URL for a comment.
*
* @param \WP_REST_Request $request The request object.
*
* @return \WP_REST_Response|\WP_Error Response object or WP_Error object.
*/
public function get_item( $request ) {
$resource = $request->get_param( 'resource' );
$comment_id = $request->get_param( 'comment_id' );
$template = Webfinger::get_remote_follow_endpoint( $resource );
if ( \is_wp_error( $template ) ) {
return $template;
}
$resource = Comment::get_source_id( $comment_id );
if ( ! $resource ) {
$resource = Comment::generate_id( \get_comment( $comment_id ) );
}
$url = \str_replace( '{uri}', $resource, $template );
return \rest_ensure_response(
array(
'url' => $url,
'template' => $template,
)
);
}
/**
* Retrieves the schema for the remote reply endpoint.
*
* @return array Schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$this->schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'remote-reply',
'type' => 'object',
'properties' => array(
'url' => array(
'description' => 'The URL to the remote reply page.',
'type' => 'string',
'format' => 'uri',
'required' => true,
),
'template' => array(
'description' => 'The template URL for remote replies.',
'type' => 'string',
'format' => 'uri',
'required' => true,
),
),
);
return $this->add_additional_fields_schema( $this->schema );
}
}