updated plugin ActivityPub version 1.3.0
This commit is contained in:
Gitium
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<?php
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namespace Activitypub\Handler;
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use WP_Error;
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use Activitypub\Collection\Interactions;
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use function Activitypub\is_activity_public;
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use function Activitypub\object_id_to_comment;
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/**
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* Handle Create requests
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*/
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class Create {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'activitypub_inbox_create', array( self::class, 'handle_create' ), 10, 3 );
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}
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/**
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* Handles "Create" requests
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*
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* @param array $array The activity-object
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* @param int $user_id The id of the local blog-user
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* @param Activitypub\Activity $object The activity object
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*
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* @return void
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*/
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public static function handle_create( $array, $user_id, $object = null ) {
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if (
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! isset( $array['object'] ) ||
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! isset( $array['object']['id'] )
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) {
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return;
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}
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// check if Activity is public or not
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if ( ! is_activity_public( $array ) ) {
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// @todo maybe send email
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return;
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}
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$check_dupe = object_id_to_comment( $array['object']['id'] );
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// if comment exists, call update action
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if ( $check_dupe ) {
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\do_action( 'activitypub_inbox_update', $array, $user_id, $object );
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return;
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}
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$state = Interactions::add_comment( $array );
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$reaction = null;
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if ( $state && ! \is_wp_error( $reaction ) ) {
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$reaction = \get_comment( $state );
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}
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\do_action( 'activitypub_handled_create', $array, $user_id, $state, $reaction );
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}
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}
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165
wp-content/plugins/activitypub/includes/handler/class-delete.php
Normal file
165
wp-content/plugins/activitypub/includes/handler/class-delete.php
Normal file
@ -0,0 +1,165 @@
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<?php
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namespace Activitypub\Handler;
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use WP_Error;
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use WP_REST_Request;
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use Activitypub\Http;
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use Activitypub\Collection\Followers;
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use Activitypub\Collection\Interactions;
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/**
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* Handles Delete requests.
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*/
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class Delete {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'activitypub_inbox_delete', array( self::class, 'handle_delete' ), 10, 2 );
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// defer signature verification for `Delete` requests.
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\add_filter( 'activitypub_defer_signature_verification', array( self::class, 'defer_signature_verification' ), 10, 2 );
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// side effect
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\add_action( 'activitypub_delete_actor_interactions', array( self::class, 'delete_interactions' ), 10, 1 );
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}
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/**
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* Handles "Delete" requests.
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*
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* @param array $activity The delete activity.
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* @param int $user_id The ID of the user performing the delete activity.
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*/
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public static function handle_delete( $activity, $user_id ) {
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$object_type = isset( $activity['object']['type'] ) ? $activity['object']['type'] : '';
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switch ( $object_type ) {
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// Actor Types
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// @see https://www.w3.org/TR/activitystreams-vocabulary/#actor-types
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case 'Person':
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case 'Group':
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case 'Organization':
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case 'Service':
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case 'Application':
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self::maybe_delete_follower( $user_id, $activity );
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break;
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// Object and Link Types
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// @see https://www.w3.org/TR/activitystreams-vocabulary/#object-types
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case 'Note':
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case 'Article':
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case 'Image':
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case 'Audio':
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case 'Video':
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case 'Event':
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case 'Document':
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self::maybe_delete_interaction( $activity );
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break;
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// Tombstone Type
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// @see: https://www.w3.org/TR/activitystreams-vocabulary/#dfn-tombstone
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case 'Tombstone':
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self::maybe_delete_interaction( $activity );
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break;
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// Minimal Activity
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// @see https://www.w3.org/TR/activitystreams-core/#example-1
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default:
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// ignore non Minimal Activities.
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if ( ! is_string( $activity['object'] ) ) {
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return;
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}
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// check if Object is an Actor.
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if ( $activity['actor'] === $activity['object'] ) {
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self::maybe_delete_follower( $activity );
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self::maybe_delete_interactions( $activity );
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} else { // assume a interaction otherwise.
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self::maybe_delete_interaction( $activity );
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}
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// maybe handle Delete Activity for other Object Types.
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break;
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}
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}
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/**
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* Delete a Follower if Actor-URL is a Tombstone.
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*
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* @param array $activity The delete activity.
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*/
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public static function maybe_delete_follower( $activity ) {
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$follower = Followers::get_follower_by_actor( $activity['actor'] );
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// verify if Actor is deleted.
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if ( $follower && Http::is_tombstone( $activity['actor'] ) ) {
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$follower->delete();
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}
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}
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/**
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* Delete Reactions if Actor-URL is a Tombstone.
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*
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* @param array $activity The delete activity.
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*/
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public static function maybe_delete_interactions( $activity ) {
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// verify if Actor is deleted.
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if ( Http::is_tombstone( $activity['actor'] ) ) {
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\wp_schedule_single_event(
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\time(),
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'activitypub_delete_actor_interactions',
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array( $activity['actor'] )
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);
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}
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}
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/**
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* Delete comments from an Actor.
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*
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* @param array $comments The comments to delete.
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*/
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public static function delete_interactions( $actor ) {
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$comments = Interactions::get_interactions_by_actor( $actor );
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if ( is_array( $comments ) ) {
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foreach ( $comments as $comment ) {
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wp_delete_comment( $comment->comment_ID );
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}
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}
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}
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/**
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* Delete a Reaction if URL is a Tombstone.
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*
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* @param array $activity The delete activity.
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*
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* @return void
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*/
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public static function maybe_delete_interaction( $activity ) {
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if ( is_array( $activity['object'] ) ) {
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$id = $activity['object']['id'];
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} else {
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$id = $activity['object'];
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}
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$comments = Interactions::get_interaction_by_id( $id );
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if ( $comments && Http::is_tombstone( $id ) ) {
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foreach ( $comments as $comment ) {
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wp_delete_comment( $comment->comment_ID, true );
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}
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}
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}
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/**
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* Defer signature verification for `Delete` requests.
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*
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* @param bool $defer Whether to defer signature verification.
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* @param WP_REST_Request $request The request object.
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*
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* @return bool Whether to defer signature verification.
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*/
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public static function defer_signature_verification( $defer, $request ) {
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$json = $request->get_json_params();
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if ( isset( $json['type'] ) && 'Delete' === $json['type'] ) {
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return true;
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}
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return false;
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}
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}
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@ -0,0 +1,81 @@
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<?php
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namespace Activitypub\Handler;
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use Activitypub\Http;
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use Activitypub\Activity\Activity;
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use Activitypub\Collection\Users;
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use Activitypub\Collection\Followers;
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/**
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* Handle Follow requests
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*/
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class Follow {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'activitypub_inbox_follow', array( self::class, 'handle_follow' ), 10, 2 );
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\add_action( 'activitypub_followers_post_follow', array( self::class, 'send_follow_response' ), 10, 4 );
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}
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/**
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* Handle "Follow" requests
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*
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* @param array $activity The activity object
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* @param int $user_id The user ID
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*/
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public static function handle_follow( $activity, $user_id ) {
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// save follower
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$follower = Followers::add_follower( $user_id, $activity['actor'] );
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do_action( 'activitypub_followers_post_follow', $activity['actor'], $activity, $user_id, $follower );
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}
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/**
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* Send Accept response
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*
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* @param string $actor The Actor URL
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* @param array $object The Activity object
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* @param int $user_id The ID of the WordPress User
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* @param Activitypub\Model\Follower $follower The Follower object
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*
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* @return void
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*/
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public static function send_follow_response( $actor, $object, $user_id, $follower ) {
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if ( \is_wp_error( $follower ) ) {
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// it is not even possible to send a "Reject" because
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// we can not get the Remote-Inbox
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return;
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}
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// only send minimal data
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$object = array_intersect_key(
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$object,
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array_flip(
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array(
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'id',
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'type',
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'actor',
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'object',
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)
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)
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);
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$user = Users::get_by_id( $user_id );
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// get inbox
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$inbox = $follower->get_shared_inbox();
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// send "Accept" activity
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$activity = new Activity();
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$activity->set_type( 'Accept' );
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$activity->set_object( $object );
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$activity->set_actor( $user->get_id() );
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$activity->set_to( $actor );
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$activity->set_id( $user->get_id() . '#follow-' . \preg_replace( '~^https?://~', '', $actor ) . '-' . \time() );
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$activity = $activity->to_json();
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Http::post( $inbox, $activity, $user_id );
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}
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}
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@ -0,0 +1,31 @@
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<?php
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namespace Activitypub\Handler;
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use Activitypub\Collection\Followers;
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/**
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* Handle Undo requests
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*/
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class Undo {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'activitypub_inbox_undo', array( self::class, 'handle_undo' ), 10, 2 );
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}
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/**
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* Handle "Unfollow" requests
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*
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* @param array $activity The JSON "Undo" Activity
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* @param int $user_id The ID of the ID of the WordPress User
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*/
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public static function handle_undo( $activity, $user_id ) {
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if (
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isset( $activity['object']['type'] ) &&
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'Follow' === $activity['object']['type']
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) {
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Followers::remove_follower( $user_id, $activity['actor'] );
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}
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}
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}
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@ -0,0 +1,89 @@
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<?php
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namespace Activitypub\Handler;
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use WP_Error;
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use Activitypub\Collection\Interactions;
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use function Activitypub\get_remote_metadata_by_actor;
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/**
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* Handle Update requests.
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*/
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class Update {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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public static function init() {
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\add_action( 'activitypub_inbox_update', array( self::class, 'handle_update' ), 10, 2 );
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}
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/**
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* Handle "Update" requests
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*
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* @param array $array The activity-object
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* @param int $user_id The id of the local blog-user
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*/
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public static function handle_update( $array, $user_id ) {
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$object_type = isset( $array['object']['type'] ) ? $array['object']['type'] : '';
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switch ( $object_type ) {
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// Actor Types
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// @see https://www.w3.org/TR/activitystreams-vocabulary/#actor-types
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case 'Person':
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case 'Group':
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case 'Organization':
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case 'Service':
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case 'Application':
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self::update_actor( $array );
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break;
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// Object and Link Types
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// @see https://www.w3.org/TR/activitystreams-vocabulary/#object-types
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case 'Note':
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case 'Article':
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case 'Image':
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case 'Audio':
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case 'Video':
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case 'Event':
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case 'Document':
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self::update_interaction( $array, $user_id );
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break;
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// Minimal Activity
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// @see https://www.w3.org/TR/activitystreams-core/#example-1
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default:
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break;
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}
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}
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/**
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* Update an Interaction
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*
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* @param array $activity The activity-object
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* @param int $user_id The id of the local blog-user
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*
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* @return void
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*/
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public static function update_interaction( $activity, $user_id ) {
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$state = Interactions::update_comment( $activity );
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$reaction = null;
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if ( $state && ! \is_wp_error( $reaction ) ) {
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$reaction = \get_comment( $state );
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}
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\do_action( 'activitypub_handled_update', $activity, $user_id, $state, $reaction );
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}
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/**
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* Update an Actor
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*
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* @param array $activity The activity-object
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*
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* @return void
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*/
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public static function update_actor( $activity ) {
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// update cache
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get_remote_metadata_by_actor( $activity['actor'], false );
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// @todo maybe also update all interactions
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}
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}
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Reference in New Issue
Block a user