a40bd8408a
* remove unused code * check if `$data['object']` is a sting * do not index application user * this fixes GoToSocial errors * do not cache errors * re-added the fragment See https://github.com/superseriousbusiness/gotosocial/issues/2280 * Fix coding standards * do not verify signature on head request
109 lines
3 KiB
PHP
109 lines
3 KiB
PHP
<?php
|
|
namespace Activitypub\Rest;
|
|
|
|
use stdClass;
|
|
use WP_REST_Response;
|
|
use Activitypub\Signature;
|
|
use Activitypub\Model\Application_User;
|
|
|
|
/**
|
|
* ActivityPub Server REST-Class
|
|
*
|
|
* @author Django Doucet
|
|
*
|
|
* @see https://www.w3.org/TR/activitypub/#security-verification
|
|
*/
|
|
class Server {
|
|
/**
|
|
* Initialize the class, registering WordPress hooks
|
|
*/
|
|
public static function init() {
|
|
self::register_routes();
|
|
|
|
\add_filter( 'rest_request_before_callbacks', array( self::class, 'authorize_activitypub_requests' ), 10, 3 );
|
|
}
|
|
|
|
/**
|
|
* Register routes
|
|
*/
|
|
public static function register_routes() {
|
|
\register_rest_route(
|
|
ACTIVITYPUB_REST_NAMESPACE,
|
|
'/application',
|
|
array(
|
|
array(
|
|
'methods' => \WP_REST_Server::READABLE,
|
|
'callback' => array( self::class, 'application_actor' ),
|
|
'permission_callback' => '__return_true',
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Render Application actor profile
|
|
*
|
|
* @return WP_REST_Response The JSON profile of the Application Actor.
|
|
*/
|
|
public static function application_actor() {
|
|
$user = new Application_User();
|
|
|
|
$user->set_context(
|
|
\Activitypub\Activity\Activity::CONTEXT
|
|
);
|
|
|
|
$json = $user->to_array();
|
|
|
|
$response = new WP_REST_Response( $json, 200 );
|
|
|
|
$response->header( 'Content-Type', 'application/activity+json' );
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Callback function to authorize each api requests
|
|
*
|
|
* @see WP_REST_Request
|
|
*
|
|
* @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client.
|
|
* Usually a WP_REST_Response or WP_Error.
|
|
* @param array $handler Route handler used for the request.
|
|
* @param WP_REST_Request $request Request used to generate the response.
|
|
*
|
|
* @return mixed|WP_Error The response, error, or modified response.
|
|
*/
|
|
public static function authorize_activitypub_requests( $response, $handler, $request ) {
|
|
if ( 'HEAD' === $request->get_method() ) {
|
|
return $response;
|
|
}
|
|
|
|
$route = $request->get_route();
|
|
|
|
// check if it is an activitypub request and exclude webfinger and nodeinfo endpoints
|
|
if (
|
|
! \str_starts_with( $route, '/' . ACTIVITYPUB_REST_NAMESPACE ) ||
|
|
\str_starts_with( $route, '/' . \trailingslashit( ACTIVITYPUB_REST_NAMESPACE ) . 'webfinger' ) ||
|
|
\str_starts_with( $route, '/' . \trailingslashit( ACTIVITYPUB_REST_NAMESPACE ) . 'nodeinfo' )
|
|
) {
|
|
return $response;
|
|
}
|
|
|
|
// POST-Requets are always signed
|
|
if ( 'get' !== \strtolower( $request->get_method() ) ) {
|
|
$verified_request = Signature::verify_http_signature( $request );
|
|
if ( \is_wp_error( $verified_request ) ) {
|
|
return $verified_request;
|
|
}
|
|
} elseif ( 'get' === \strtolower( $request->get_method() ) ) { // GET-Requests are only signed in secure mode
|
|
if ( ACTIVITYPUB_AUTHORIZED_FETCH ) {
|
|
$verified_request = Signature::verify_http_signature( $request );
|
|
if ( \is_wp_error( $verified_request ) ) {
|
|
return $verified_request;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
}
|