activitypub / includes / handler / class-update.php

class-update.php in ActivityPub 5.3.2, at includes/handler/class-update.php

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1	<?php
2	/**
3	* Update handler file.
4	*
5	* @package Activitypub
6	*/
7
8	namespace Activitypub\Handler;
9
10	use Activitypub\Collection\Followers;
11	use Activitypub\Collection\Interactions;
12
13	use function Activitypub\get_remote_metadata_by_actor;
14
15	/**
16	* Handle Update requests.
17	*/
18	class Update {
19	/**
20	* Initialize the class, registering WordPress hooks.
21	*/
22	public static function init() {
23	\add_action(
24	'activitypub_inbox_update',
25	array( self::class, 'handle_update' )
26	);
27	}
28
29	/**
30	* Handle "Update" requests.
31	*
32	* @param array $activity The Activity object.
33	*/
34	public static function handle_update( $activity ) {
35	$object_type = isset( $activity['object']['type'] ) ? $activity['object']['type'] : '';
36
37	switch ( $object_type ) {
38	/*
39	* Actor Types.
40	*
41	* @see https://www.w3.org/TR/activitystreams-vocabulary/#actor-types
42	*/
43	case 'Person':
44	case 'Group':
45	case 'Organization':
46	case 'Service':
47	case 'Application':
48	self::update_actor( $activity );
49	break;
50
51	/*
52	* Object and Link Types.
53	*
54	* @see https://www.w3.org/TR/activitystreams-vocabulary/#object-types
55	*/
56	case 'Note':
57	case 'Article':
58	case 'Image':
59	case 'Audio':
60	case 'Video':
61	case 'Event':
62	case 'Document':
63	self::update_interaction( $activity );
64	break;
65
66	/*
67	* Minimal Activity.
68	*
69	* @see https://www.w3.org/TR/activitystreams-core/#example-1
70	*/
71	default:
72	break;
73	}
74	}
75
76	/**
77	* Update an Interaction.
78	*
79	* @param array $activity The Activity object.
80	*/
81	public static function update_interaction( $activity ) {
82	$commentdata = Interactions::update_comment( $activity );
83	$reaction = null;
84
85	if ( ! empty( $commentdata['comment_ID'] ) ) {
86	$state = 1;
87	$reaction = \get_comment( $commentdata['comment_ID'] );
88	} else {
89	$state = $commentdata;
90	}
91
92	/**
93	* Fires after an Update activity has been handled.
94	*
95	* @param array $activity The complete Update activity data.
96	* @param null $user Always null for Update activities.
97	* @param int\|array $state 1 if comment was updated successfully, error data otherwise.
98	* @param \WP_Comment\|null $reaction The updated comment object if successful, null otherwise.
99	*/
100	\do_action( 'activitypub_handled_update', $activity, null, $state, $reaction );
101	}
102
103	/**
104	* Update an Actor.
105	*
106	* @param array $activity The Activity object.
107	*/
108	public static function update_actor( $activity ) {
109	// Update cache.
110	$actor = get_remote_metadata_by_actor( $activity['actor'], false );
111
112	if ( ! $actor \|\| \is_wp_error( $actor ) \|\| ! isset( $actor['id'] ) ) {
113	return;
114	}
115
116	$follower = Followers::get_follower_by_actor( $actor['id'] );
117
118	if ( ! $follower ) {
119	return;
120	}
121
122	$follower->from_array( $actor );
123	$follower->upsert();
124	}
125	}
126