wordpress-activitypub/includes/class-activity-dispatcher.php

255 lines
9.7 KiB
PHP
Raw Normal View History

2019-08-18 21:54:11 +02:00
<?php
namespace Activitypub;
/**
* ActivityPub Activity_Dispatcher Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/
*/
class Activity_Dispatcher {
/**
2020-05-14 21:37:59 +02:00
* Initialize the class, registering WordPress hooks.
2019-08-18 21:54:11 +02:00
*/
public static function init() {
2019-09-27 10:12:59 +02:00
\add_action( 'activitypub_send_post_activity', array( '\Activitypub\Activity_Dispatcher', 'send_post_activity' ) );
2022-10-05 21:58:12 +02:00
\add_action( 'activitypub_send_announce_activity', array( '\Activitypub\Activity_Dispatcher', 'send_announce_activity' ), 10, 2 );
2019-09-27 10:12:59 +02:00
\add_action( 'activitypub_send_update_activity', array( '\Activitypub\Activity_Dispatcher', 'send_update_activity' ) );
2022-10-02 06:49:48 +02:00
\add_action( 'activitypub_send_delete_activity', array( '\Activitypub\Activity_Dispatcher', 'send_delete_activity' ) );
\add_action( 'activitypub_send_delete_url_activity', array( '\Activitypub\Activity_Dispatcher', 'send_delete_url_activity' ), 10, 2 );
2021-02-18 07:12:32 +01:00
\add_action( 'activitypub_send_comment_activity', array( '\Activitypub\Activity_Dispatcher', 'send_comment_activity' ) );
2022-04-15 03:04:43 +02:00
\add_action( 'activitypub_send_update_comment_activity', array( '\Activitypub\Activity_Dispatcher', 'send_update_comment_activity' ) );
2021-02-18 07:12:32 +01:00
\add_action( 'activitypub_inbox_forward_activity', array( '\Activitypub\Activity_Dispatcher', 'inbox_forward_activity' ) );
\add_action( 'activitypub_send_delete_comment_activity', array( '\Activitypub\Activity_Dispatcher', 'send_delete_comment_activity' ) );
2019-08-18 21:54:11 +02:00
}
/**
2020-05-14 21:37:59 +02:00
* Send "create" activities.
2019-08-18 21:54:11 +02:00
*
2020-05-14 21:37:59 +02:00
* @param \Activitypub\Model\Post $activitypub_post
2019-08-18 21:54:11 +02:00
*/
2020-05-14 21:37:59 +02:00
public static function send_post_activity( $activitypub_post ) {
2020-05-14 18:02:49 +02:00
// get latest version of post
2020-05-14 21:37:59 +02:00
$user_id = $activitypub_post->get_post_author();
2019-08-18 21:54:11 +02:00
2019-11-18 20:57:00 +01:00
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
2019-08-18 21:54:11 +02:00
$activitypub_activity->from_post( $activitypub_post->to_array() );
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
2022-10-02 06:49:48 +02:00
/**
* Send "announce" activities.
*
2022-10-05 21:58:12 +02:00
* @param str $activitypub_url (ActivityPub object ID)
2022-10-05 22:50:58 +02:00
* @param absint $user_id
2022-10-02 06:49:48 +02:00
*/
2022-10-05 21:58:12 +02:00
public static function send_announce_activity( $activitypub_url, $user_id ) {
2022-10-02 06:49:48 +02:00
// get latest version of post
2022-10-05 21:58:12 +02:00
$time = \current_datetime()->format( DATE_ISO8601 );
$post = \get_post( \url_to_postid( $activitypub_url ) );
$activitypub_announce = new \Activitypub\Model\Activity( 'Announce', \Activitypub\Model\Activity::TYPE_SIMPLE );
$activitypub_announce->set_published( $time );
if ( $post ) {
$activitypub_id = $post->guid;
$activitypub_post = new \Activitypub\Model\Post( $post );
$activitypub_announce->from_post( $activitypub_post->to_array() );
} else {
$activitypub_id = $activitypub_url;
$activitypub_announce->set_object( $activitypub_id );
}
$activitypub_announce->set_id( add_query_arg( 'activity', 'announce', $activitypub_id ) );
2022-10-02 06:49:48 +02:00
$activitypub_announce->set_actor( \get_author_posts_url( $user_id ) );
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_announce->set_to( $to );
$activity = $activitypub_announce->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
2019-08-18 21:54:11 +02:00
/**
2020-05-14 21:37:59 +02:00
* Send "update" activities.
2019-08-18 21:54:11 +02:00
*
2020-05-14 21:37:59 +02:00
* @param \Activitypub\Model\Post $activitypub_post
2019-08-18 21:54:11 +02:00
*/
2020-05-14 21:37:59 +02:00
public static function send_update_activity( $activitypub_post ) {
2020-05-14 18:02:49 +02:00
// get latest version of post
2020-05-14 21:37:59 +02:00
$user_id = $activitypub_post->get_post_author();
2022-04-15 03:04:43 +02:00
$updated = \wp_date( 'Y-m-d\TH:i:s\Z', \strtotime( $activitypub_post->get_updated() ) );
2019-08-18 21:54:11 +02:00
2019-11-18 20:57:00 +01:00
$activitypub_activity = new \Activitypub\Model\Activity( 'Update', \Activitypub\Model\Activity::TYPE_FULL );
2019-08-18 21:54:11 +02:00
$activitypub_activity->from_post( $activitypub_post->to_array() );
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
/**
2020-05-14 21:37:59 +02:00
* Send "delete" activities.
2019-08-18 21:54:11 +02:00
*
2022-10-02 06:49:48 +02:00
* @param str $activitypub_url
* @param int $user_id
2019-08-18 21:54:11 +02:00
*/
2022-10-02 07:24:30 +02:00
public static function send_delete_activity( $activitypub_post ) {
2020-05-14 21:37:59 +02:00
// get latest version of post
2022-04-15 03:04:43 +02:00
$deleted = \current_time( 'Y-m-d\TH:i:s\Z', true );
$activitypub_post->set_deleted( $deleted );
2019-08-18 21:54:11 +02:00
2019-11-18 20:57:00 +01:00
$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_FULL );
2019-08-18 21:54:11 +02:00
$activitypub_activity->from_post( $activitypub_post->to_array() );
2022-04-15 03:04:43 +02:00
$activitypub_activity->set_deleted( $deleted );
2019-08-18 21:54:11 +02:00
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
2022-04-15 09:17:00 +02:00
2019-08-18 21:54:11 +02:00
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
2021-02-18 07:12:32 +01:00
2022-10-02 06:49:48 +02:00
/**
* Send "delete" activities.
*
* @param str $activitypub_url
* @param int $user_id
*/
public static function send_delete_url_activity( $activitypub_url, $user_id ) {
// get latest version of post
$actor = \get_author_posts_url( $user_id );
$deleted = \current_time( 'Y-m-d\TH:i:s\Z', true );
$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_SIMPLE );
$activitypub_activity->set_id( $activitypub_url . '#delete' );
$activitypub_activity->set_actor( $actor );
2022-10-02 07:17:47 +02:00
$activitypub_activity->set_object(
array(
'id' => $activitypub_url,
'type' => 'Tombstone',
)
);
2022-10-02 06:49:48 +02:00
$activitypub_activity->set_deleted( $deleted );
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
2021-02-18 07:12:32 +01:00
/**
* Send "create" activities for comments
*
* @param \Activitypub\Model\Comment $activitypub_comment
*/
public static function send_comment_activity( $activitypub_comment_id ) {
//ONLY FOR LOCAL USERS ?
$activitypub_comment = \get_comment( $activitypub_comment_id );
2022-04-15 09:17:00 +02:00
$user_id = $activitypub_comment->user_id;
$mentions[] = \get_comment_meta( $activitypub_comment_id, 'mentions', true );// mention[href, name]
2021-02-18 07:12:32 +01:00
$activitypub_comment = new \Activitypub\Model\Comment( $activitypub_comment );
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_comment( $activitypub_comment->to_array() );
$mentioned_actors = array();
2022-04-15 03:04:43 +02:00
foreach ( \Activitypub\get_mentioned_inboxes( $mentions ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );//all users at shared inbox
2021-02-18 07:12:32 +01:00
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
2022-09-28 19:18:30 +02:00
$mentioned_actors[] = $to;
2021-02-18 07:12:32 +01:00
}
2022-04-15 03:04:43 +02:00
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $cc ) {
$activitypub_activity->set_cc( $cc );//set_cc
$activity = $activitypub_activity->to_json(); // phpcs:ignore
2021-02-18 07:12:32 +01:00
// Send reply to followers, skip if mentioned followers (avoid duplicate replies)
if ( in_array( $cc, $mentioned_actors ) ) {
2022-04-15 09:17:00 +02:00
continue;
2022-04-15 03:04:43 +02:00
}
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
2021-02-18 07:12:32 +01:00
}
/**
* Forward replies to followers
*
* @param \Activitypub\Model\Comment $activitypub_comment
*/
public static function inbox_forward_activity( $activitypub_comment_id ) {
$activitypub_comment = \get_comment( $activitypub_comment_id );
//original author should NOT recieve a copy of their own post
2021-02-18 07:12:32 +01:00
$replyto[] = $activitypub_comment->comment_author_url;
2022-09-28 19:18:30 +02:00
$activitypub_activity = \unserialize( get_comment_meta( $activitypub_comment->comment_ID, 'ap_object', true ) );
2022-04-15 09:17:00 +02:00
2021-02-18 07:12:32 +01:00
//will be forwarded to the parent_comment->author or post_author followers collection
$parent_comment = \get_comment( $activitypub_comment->comment_parent );
2022-04-15 09:17:00 +02:00
if ( ! is_null( $parent_comment ) ) {
2021-02-18 07:12:32 +01:00
$user_id = $parent_comment->user_id;
} else {
2022-04-15 09:17:00 +02:00
$original_post = \get_post( $activitypub_comment->comment_post_ID );
2021-02-18 07:12:32 +01:00
$user_id = $original_post->post_author;
}
unset( $activitypub_activity['user_id'] ); // remove user_id from $activitypub_comment
2022-04-15 09:17:00 +02:00
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $cc ) {
2021-02-18 07:12:32 +01:00
//Forward reply to followers, skip sender
if ( in_array( $cc, $replyto ) ) {
2022-04-15 03:04:43 +02:00
continue;
2021-02-18 07:12:32 +01:00
}
$activitypub_activity['object']['cc'] = $cc;
$activitypub_activity['cc'] = $cc;
2021-02-18 07:12:32 +01:00
$activity = \wp_json_encode( $activitypub_activity, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT );
\Activitypub\forward_remote_post( $inbox, $activity, $user_id );
}
}
/**
* Send "delete" activities.
*
* @param \Activitypub\Model\Comment $activitypub_comment
*/
public static function send_delete_comment_activity( $activitypub_comment_id ) {
// get comment
$activitypub_comment = \get_comment( $activitypub_comment_id );
2022-04-15 03:04:43 +02:00
$user_id = $activitypub_comment->user_id;
// Prevent sending received/anonymous comments
if ( ! $user_id ) {
return;
}
$deleted = \wp_date( 'Y-m-d\TH:i:s\Z', \strtotime( $activitypub_comment->comment_date_gmt ) );
2022-04-15 09:17:00 +02:00
2021-02-18 07:12:32 +01:00
$activitypub_comment = new \Activitypub\Model\Comment( $activitypub_comment );
2022-04-15 03:04:43 +02:00
$activitypub_comment->set_deleted( $deleted );
2021-02-18 07:12:32 +01:00
$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_comment( $activitypub_comment->to_array() );
2022-04-15 03:04:43 +02:00
$activitypub_activity->set_deleted( $deleted );
2021-02-18 07:12:32 +01:00
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}
2019-08-18 21:54:11 +02:00
}