wordpress-activitypub/includes/class-activity-dispatcher.php
Django Doucet 17c386cb9d Comments 1
2021-09-06 00:25:02 -06:00

206 lines
8.1 KiB
PHP

<?php
namespace Activitypub;
/**
* ActivityPub Activity_Dispatcher Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/
*/
class Activity_Dispatcher {
/**
* Initialize the class, registering WordPress hooks.
*/
public static function init() {
\add_action( 'activitypub_send_post_activity', array( '\Activitypub\Activity_Dispatcher', 'send_post_activity' ) );
\add_action( 'activitypub_send_update_activity', array( '\Activitypub\Activity_Dispatcher', 'send_update_activity' ) );
\add_action( 'activitypub_send_delete_activity', array( '\Activitypub\Activity_Dispatcher', 'send_delete_activity' ) );
\add_action( 'activitypub_send_comment_activity', array( '\Activitypub\Activity_Dispatcher', 'send_comment_activity' ) );
\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' ) );
}
/**
* Send "create" activities.
*
* @param \Activitypub\Model\Post $activitypub_post
*/
public static function send_post_activity( $activitypub_post ) {
// get latest version of post
$user_id = $activitypub_post->get_post_author();
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
$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 );
}
}
/**
* Send "update" activities.
*
* @param \Activitypub\Model\Post $activitypub_post
*/
public static function send_update_activity( $activitypub_post ) {
// get latest version of post
$user_id = $activitypub_post->get_post_author();
$activitypub_activity = new \Activitypub\Model\Activity( 'Update', \Activitypub\Model\Activity::TYPE_FULL );
$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 );
}
}
/**
* Send "delete" activities.
*
* @param \Activitypub\Model\Post $activitypub_post
*/
public static function send_delete_activity( $activitypub_post ) {
// get latest version of post
$user_id = $activitypub_post->get_post_author();
$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_FULL );
$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 );
}
}
/**
* 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 );
$user_id = $activitypub_comment->user_id;
$replyto = get_comment_meta( $activitypub_comment->comment_parent, 'comment_author_url', true );//
$mentions = get_comment_meta( $activitypub_comment_id, 'mentions', true );//
//error_log( 'dispatcher:send_comment:$activitypub_comment: ' . print_r( $activitypub_comment, true ) );
$activitypub_comment = new \Activitypub\Model\Comment( $activitypub_comment );
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_comment( $activitypub_comment->to_array() );
\error_log( 'Activity_Dispatcher::send_comment_activity: ' . print_r($activitypub_activity, true));
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
\error_log( '$user_id: ' . $user_id . ', $inbox: '. $inbox . ', $to: '. print_r($to, true ) );
$activitypub_activity->set_to( $to[0] );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
// Send reply to followers, skip if replying to followers (avoid duplicate replies)
// if( in_array( $to, $replyto ) || ( $replyto == $to ) ) {
// break;
// }
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
// TODO: Reply (to followers and non-followers)
// if( is_array( $replyto ) && count( $replyto ) > 1 ) {
// foreach ( $replyto as $to ) {
// $inbox = \Activitypub\get_inbox_by_actor( $to );
// $activitypub_activity->set_to( $to );
// $activity = $activitypub_activity->to_json(); // phpcs:ignore
// error_log( 'dispatches->replyto: ' . $to );
// \Activitypub\safe_remote_post( $inbox, $activity, $user_id );
// }
// } elseif ( !is_array( $replyto ) ) {
// $inbox = \Activitypub\get_inbox_by_actor( $to );
// $activitypub_activity->set_to( $replyto );
// $activity = $activitypub_activity->to_json(); // phpcs:ignore
// error_log( 'dispatch->replyto: ' . $replyto );
// \Activitypub\safe_remote_post( $inbox, $activity, $user_id );
// }
}
/**
* Forward replies to followers
*
* @param \Activitypub\Model\Comment $activitypub_comment
*/
public static function inbox_forward_activity( $activitypub_comment_id ) {
//\error_log( 'Activity_Dispatcher::inbox_forward_activity' . print_r( $activitypub_comment, true ) );
$activitypub_comment = \get_comment( $activitypub_comment_id );
//original author should NOT recieve a copy of ther own post
$replyto[] = $activitypub_comment->comment_author_url;
$activitypub_activity = unserialize( get_comment_meta( $activitypub_comment->comment_ID, 'ap_object', true ) );
//will be forwarded to the parent_comment->author or post_author followers collection
//TODO verify that ... what?
$parent_comment = \get_comment( $activitypub_comment->comment_parent );
if ( !is_null( $parent_comment ) ) {
$user_id = $parent_comment->user_id;
} else {
$original_post = \get_post( $activitypub_comment->comment_post_ID );
$user_id = $original_post->post_author;
}
//remove user_id from $activitypub_comment
unset($activitypub_activity['user_id']);
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
\error_log( '$user_id: ' . $user_id . ', $inbox: '. $inbox . ', $to: '. print_r($to, true ) );
//Forward reply to followers, skip sender
if( in_array( $to, $replyto ) || ( $replyto == $to ) ) {
error_log( 'dispatch:forward: nope:' . print_r( $to, true ) );
break;
}
$activitypub_activity['object']['to'] = $to;
$activitypub_activity['to'] = $to;
//$activitypub_activity
//$activitypub_activity->set_to( $to );
//$activity = $activitypub_activity->to_json(); // phpcs:ignore
$activity = \wp_json_encode( $activitypub_activity, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT );
error_log( 'dispatch:forward:activity:' . print_r( $activity, true ) );
\Activitypub\forward_remote_post( $inbox, $activity, $user_id );
//reset //unnecessary
//array_pop( $activitypub_activity->object->to[] );
//array_pop( $activitypub_activity->to[] );
}
}
/**
* 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 );
$user_id = $activitypub_comment->post_author;
$activitypub_comment = new \Activitypub\Model\Comment( $activitypub_comment );
$activitypub_activity = new \Activitypub\Model\Activity( 'Delete', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_comment( $activitypub_comment->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 );
}
}
}