activitypub / includes / rest / class-outbox.php

class-outbox.php in ActivityPub 0.7.3, at includes/rest/class-outbox.php

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1	<?php
2	namespace Activitypub\Rest;
3
4	/**
5	* ActivityPub Outbox REST-Class
6	*
7	* @author Matthias Pfefferle
8	*
9	* @see https://www.w3.org/TR/activitypub/#outbox
10	*/
11	class Outbox {
12	/**
13	* Initialize the class, registering WordPress hooks
14	*/
15	public static function init() {
16	add_action( 'rest_api_init', array( '\Activitypub\Rest\Outbox', 'register_routes' ) );
17	}
18
19	/**
20	* Register routes
21	*/
22	public static function register_routes() {
23	register_rest_route(
24	'activitypub/1.0', '/users/(?P<id>\d+)/outbox', array(
25	array(
26	'methods' => \WP_REST_Server::READABLE,
27	'callback' => array( '\Activitypub\Rest\Outbox', 'user_outbox' ),
28	'args' => self::request_parameters(),
29	),
30	)
31	);
32	}
33
34	/**
35	* Renders the user-outbox
36	*
37	* @param WP_REST_Request $request
38	* @return WP_REST_Response
39	*/
40	public static function user_outbox( $request ) {
41	$user_id = $request->get_param( 'id' );
42	$author = get_user_by( 'ID', $user_id );
43
44	if ( ! $author ) {
45	return new \WP_Error( 'rest_invalid_param', __( 'User not found', 'activitypub' ), array(
46	'status' => 404,
47	'params' => array(
48	'user_id' => __( 'User not found', 'activitypub' ),
49	),
50	) );
51	}
52
53	$page = $request->get_param( 'page', 0 );
54
55	/*
56	* Action triggerd prior to the ActivityPub profile being created and sent to the client
57	*/
58	do_action( 'activitypub_outbox_pre' );
59
60	$json = new \stdClass();
61
62	$json->{'@context'} = \Activitypub\get_context();
63	$json->id = home_url( add_query_arg( null, null ) );
64	$json->generator = 'http://wordpress.org/?v=' . get_bloginfo_rss( 'version' );
65	$json->actor = get_author_posts_url( $user_id );
66	$json->type = 'OrderedCollectionPage';
67	$json->partOf = get_rest_url( null, "/activitypub/1.0/users/$user_id/outbox" ); // phpcs:ignore
68
69	$count_posts = wp_count_posts();
70	$json->totalItems = intval( $count_posts->publish ); // phpcs:ignore
71
72	$posts = get_posts( array(
73	'posts_per_page' => 10,
74	'author' => $user_id,
75	'offset' => $page * 10,
76	) );
77
78	$json->first = add_query_arg( 'page', 0, $json->partOf ); // phpcs:ignore
79	$json->last = add_query_arg( 'page', ( ceil ( $json->totalItems / 10 ) ) - 1, $json->partOf ); // phpcs:ignore
80
81	if ( ( ceil ( $json->totalItems / 10 ) ) - 1 > $page ) { // phpcs:ignore
82	$json->next = add_query_arg( 'page', ++$page, $json->partOf ); // phpcs:ignore
83	}
84
85	foreach ( $posts as $post ) {
86	$activitypub_post = new \Activitypub\Post( $post );
87	$activitypub_activity = new \Activitypub\Activity( 'Create', \Activitypub\Activity::TYPE_NONE );
88	$activitypub_activity->from_post( $activitypub_post->to_array() );
89	$json->orderedItems[] = $activitypub_activity->to_array(); // phpcs:ignore
90	}
91
92	// filter output
93	$json = apply_filters( 'activitypub_outbox_array', $json );
94
95	/*
96	* Action triggerd after the ActivityPub profile has been created and sent to the client
97	*/
98	do_action( 'activitypub_outbox_post' );
99
100	$response = new \WP_REST_Response( $json, 200 );
101
102	$response->header( 'Content-Type', 'application/activity+json' );
103
104	return $response;
105	}
106
107	/**
108	* The supported parameters
109	*
110	* @return array list of parameters
111	*/
112	public static function request_parameters() {
113	$params = array();
114
115	$params['page'] = array(
116	'type' => 'integer',
117	);
118
119	$params['id'] = array(
120	'required' => true,
121	'type' => 'integer',
122	);
123
124	return $params;
125	}
126	}
127