88 lines
2.6 KiB
PHP
88 lines
2.6 KiB
PHP
<?php
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namespace Activitypub;
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use Activitypub\Model\Post;
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use Activitypub\Model\Activity;
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use Activitypub\Collection\Users;
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use Activitypub\Collection\Followers;
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use function Activitypub\safe_remote_post;
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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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// legacy
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\add_action( 'activitypub_send_post_activity', array( self::class, 'send_create_activity' ) );
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\add_action( 'activitypub_send_create_activity', array( self::class, 'send_create_activity' ) );
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\add_action( 'activitypub_send_update_activity', array( self::class, 'send_update_activity' ) );
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\add_action( 'activitypub_send_delete_activity', array( self::class, 'send_delete_activity' ) );
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\add_action( 'activitypub_send_activity', array( self::class, 'send_activity' ), 10, 2 );
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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_create_activity( Post $activitypub_post ) {
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self::send_activity( $activitypub_post, 'Create' );
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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 The ActivityPub Post.
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*/
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public static function send_update_activity( Post $activitypub_post ) {
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self::send_activity( $activitypub_post, 'Update' );
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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 The ActivityPub Post.
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*/
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public static function send_delete_activity( Post $activitypub_post ) {
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self::send_activity( $activitypub_post, 'Delete' );
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}
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/**
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* Send Activities to followers and mentioned users.
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*
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* @param Activitypub\Model\Post $activitypub_post The ActivityPub Post.
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* @param string $activity_type The Activity-Type.
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*
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* @return void
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*/
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public static function send_activity( Post $activitypub_post, $activity_type ) {
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// check if a migration is needed before sending new posts
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Migration::maybe_migrate();
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$activitypub_activity = new Activity( $activity_type );
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$activitypub_activity->from_post( $activitypub_post );
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$user_id = $activitypub_post->get_user_id();
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$follower_inboxes = Followers::get_inboxes( $user_id );
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$mentioned_inboxes = Mention::get_inboxes( $activitypub_activity->get_cc() );
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$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
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$inboxes = array_unique( $inboxes );
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foreach ( $inboxes as $inbox ) {
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$activity = $activitypub_activity->to_json();
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safe_remote_post( $inbox, $activity, $user_id );
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}
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}
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}
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