activitypub / includes / functions-request.php

functions-request.php in ActivityPub 8.0.1, at includes/functions-request.php

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1	<?php
2	/**
3	* Request functions.
4	*
5	* Functions for HTTP requests and remote communication.
6	*
7	* @package Activitypub
8	*/
9
10	namespace Activitypub;
11
12	use Activitypub\Collection\Remote_Actors;
13
14	/**
15	* Send a POST request to a remote server.
16	*
17	* @param string $url The URL endpoint.
18	* @param string $body The Post Body.
19	* @param int $user_id The WordPress user ID.
20	*
21	* @return array\|\WP_Error The POST Response or an WP_Error.
22	*/
23	function safe_remote_post( $url, $body, $user_id ) {
24	return Http::post( $url, $body, $user_id );
25	}
26
27	/**
28	* Send a GET request to a remote server.
29	*
30	* @param string $url The URL endpoint.
31	*
32	* @return array\|\WP_Error The GET Response or an WP_Error.
33	*/
34	function safe_remote_get( $url ) {
35	return Http::get( $url );
36	}
37
38	/**
39	* Check if Authorized-Fetch is enabled.
40	*
41	* @see https://docs.joinmastodon.org/admin/config/#authorized_fetch
42	*
43	* @return boolean True if Authorized-Fetch is enabled, false otherwise.
44	*/
45	function use_authorized_fetch() {
46	$use = (bool) \get_option( 'activitypub_authorized_fetch' );
47
48	/**
49	* Filters whether to use Authorized-Fetch.
50	*
51	* @param boolean $use_authorized_fetch True if Authorized-Fetch is enabled, false otherwise.
52	*/
53	return apply_filters( 'activitypub_use_authorized_fetch', $use );
54	}
55
56	/**
57	* Check for Tombstone Objects.
58	*
59	* @deprecated 7.3.0 Use {@see Tombstone::exists_in_error()}.
60	* @see https://www.w3.org/TR/activitypub/#delete-activity-outbox
61	*
62	* @param \WP_Error $wp_error A WP_Error-Response of an HTTP-Request.
63	*
64	* @return boolean True if HTTP-Code is 410 or 404.
65	*/
66	function is_tombstone( $wp_error ) {
67	\_deprecated_function( __FUNCTION__, '7.3.0', 'Activitypub\Tombstone::exists_in_error' );
68
69	return Tombstone::exists_in_error( $wp_error );
70	}
71
72	/**
73	* Check if a request is for an ActivityPub request.
74	*
75	* @return bool False by default.
76	*/
77	function is_activitypub_request() {
78	return Query::get_instance()->is_activitypub_request();
79	}
80
81	/**
82	* Check if content negotiation is allowed for a request.
83	*
84	* @return bool True if content negotiation is allowed, false otherwise.
85	*/
86	function should_negotiate_content() {
87	return Query::get_instance()->should_negotiate_content();
88	}
89
90	/**
91	* Requests the Meta-Data from the Actors profile.
92	*
93	* @param array\|string $actor The Actor array or URL.
94	* @param bool $cached Optional. Whether the result should be cached. Default true.
95	*
96	* @return array\|\WP_Error The Actor profile as array or WP_Error on failure.
97	*/
98	function get_remote_metadata_by_actor( $actor, $cached = true ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable, Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
99	/**
100	* Filters the metadata before it is retrieved from a remote actor.
101	*
102	* Passing a non-false value will effectively short-circuit the remote request,
103	* returning that value instead.
104	*
105	* @param mixed $pre The value to return instead of the remote metadata.
106	* Default false to continue with the remote request.
107	* @param string $actor The actor URL.
108	*/
109	$pre = apply_filters( 'pre_get_remote_metadata_by_actor', false, $actor );
110	if ( $pre ) {
111	return $pre;
112	}
113
114	$remote_actor = Remote_Actors::fetch_by_various( $actor );
115
116	if ( is_wp_error( $remote_actor ) ) {
117	return $remote_actor;
118	}
119
120	return json_decode( $remote_actor->post_content, true );
121	}
122