activitypub / includes / collection / class-users.php

class-users.php in ActivityPub 1.2.0, at includes/collection/class-users.php

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1	<?php
2	namespace Activitypub\Collection;
3
4	use WP_Error;
5	use WP_User_Query;
6	use Activitypub\Model\User;
7	use Activitypub\Model\Blog_User;
8	use Activitypub\Model\Application_User;
9
10	use function Activitypub\is_user_disabled;
11
12	class Users {
13	/**
14	* The ID of the Blog User
15	*
16	* @var int
17	*/
18	const BLOG_USER_ID = 0;
19
20	/**
21	* The ID of the Application User
22	*
23	* @var int
24	*/
25	const APPLICATION_USER_ID = -1;
26
27	/**
28	* Get the User by ID
29	*
30	* @param int $user_id The User-ID.
31	*
32	* @return \Acitvitypub\Model\User The User.
33	*/
34	public static function get_by_id( $user_id ) {
35	if ( is_string( $user_id ) \|\| is_numeric( $user_id ) ) {
36	$user_id = (int) $user_id;
37	}
38
39	if ( is_user_disabled( $user_id ) ) {
40	return new WP_Error(
41	'activitypub_user_not_found',
42	\__( 'User not found', 'activitypub' ),
43	array( 'status' => 404 )
44	);
45	}
46
47	if ( self::BLOG_USER_ID === $user_id ) {
48	return Blog_User::from_wp_user( $user_id );
49	} elseif ( self::APPLICATION_USER_ID === $user_id ) {
50	return Application_User::from_wp_user( $user_id );
51	} elseif ( $user_id > 0 ) {
52	return User::from_wp_user( $user_id );
53	}
54
55	return new WP_Error(
56	'activitypub_user_not_found',
57	\__( 'User not found', 'activitypub' ),
58	array( 'status' => 404 )
59	);
60	}
61
62	/**
63	* Get the User by username.
64	*
65	* @param string $username The User-Name.
66	*
67	* @return \Acitvitypub\Model\User The User.
68	*/
69	public static function get_by_username( $username ) {
70	// check for blog user.
71	if ( Blog_User::get_default_username() === $username ) {
72	return self::get_by_id( self::BLOG_USER_ID );
73	}
74
75	if ( get_option( 'activitypub_blog_user_identifier' ) === $username ) {
76	return self::get_by_id( self::BLOG_USER_ID );
77	}
78
79	// check for application user.
80	if ( 'application' === $username ) {
81	return self::get_by_id( self::APPLICATION_USER_ID );
82	}
83
84	// check for 'activitypub_username' meta
85	$user = new WP_User_Query(
86	array(
87	'number' => 1,
88	'hide_empty' => true,
89	'fields' => 'ID',
90	// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
91	'meta_query' => array(
92	'relation' => 'OR',
93	array(
94	'key' => 'activitypub_user_identifier',
95	'value' => $username,
96	'compare' => 'LIKE',
97	),
98	),
99	)
100	);
101
102	if ( $user->results ) {
103	return self::get_by_id( $user->results[0] );
104	}
105
106	// check for login or nicename.
107	$user = new WP_User_Query(
108	array(
109	'search' => $username,
110	'search_columns' => array( 'user_login', 'user_nicename' ),
111	'number' => 1,
112	'hide_empty' => true,
113	'fields' => 'ID',
114	)
115	);
116
117	if ( $user->results ) {
118	return self::get_by_id( $user->results[0] );
119	}
120
121	return new WP_Error(
122	'activitypub_user_not_found',
123	\__( 'User not found', 'activitypub' ),
124	array( 'status' => 404 )
125	);
126	}
127
128	/**
129	* Get the User by resource.
130	*
131	* @param string $resource The User-Resource.
132	*
133	* @return \Acitvitypub\Model\User The User.
134	*/
135	public static function get_by_resource( $resource ) {
136	if ( \strpos( $resource, '@' ) === false ) {
137	return new WP_Error(
138	'activitypub_unsupported_resource',
139	\__( 'Resource is invalid', 'activitypub' ),
140	array( 'status' => 400 )
141	);
142	}
143
144	$resource = \str_replace( 'acct:', '', $resource );
145
146	$resource_identifier = \substr( $resource, 0, \strrpos( $resource, '@' ) );
147	$resource_host = self::normalize_host( \substr( \strrchr( $resource, '@' ), 1 ) );
148	$blog_host = self::normalize_host( \wp_parse_url( \home_url( '/' ), \PHP_URL_HOST ) );
149
150	if ( $blog_host !== $resource_host ) {
151	return new WP_Error(
152	'activitypub_wrong_host',
153	\__( 'Resource host does not match blog host', 'activitypub' ),
154	array( 'status' => 404 )
155	);
156	}
157
158	return self::get_by_username( $resource_identifier );
159	}
160
161	/**
162	* Get the User by resource.
163	*
164	* @param string $resource The User-Resource.
165	*
166	* @return \Acitvitypub\Model\User The User.
167	*/
168	public static function get_by_various( $id ) {
169	if ( is_numeric( $id ) ) {
170	return self::get_by_id( $id );
171	} elseif ( filter_var( $id, FILTER_VALIDATE_URL ) ) {
172	return self::get_by_resource( $id );
173	} else {
174	return self::get_by_username( $id );
175	}
176	}
177
178	/**
179	* Normalize the host.
180	*
181	* @param string $host The host.
182	*
183	* @return string The normalized host.
184	*/
185	public static function normalize_host( $host ) {
186	return \str_replace( 'www.', '', $host );
187	}
188
189	/**
190	* Get the User collection.
191	*
192	* @return array The User collection.
193	*/
194	public static function get_collection() {
195	$users = \get_users(
196	array(
197	'capability__in' => array( 'publish_posts' ),
198	)
199	);
200
201	$return = array();
202
203	foreach ( $users as $user ) {
204	$return[] = User::from_wp_user( $user->ID );
205	}
206
207	return $return;
208	}
209	}
210