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