activitypub / includes / rest / class-url-validator-controller.php

class-url-validator-controller.php in ActivityPub 7.0.0, at includes/rest/class-url-validator-controller.php

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1	<?php
2	/**
3	* ActivityPub URL Validator Controller.
4	*
5	* @package Activitypub
6	*/
7
8	namespace Activitypub\Rest;
9
10	use Activitypub\Http;
11	use Activitypub\Embed;
12
13	/**
14	* URL Validator Controller Class.
15	*/
16	class URL_Validator_Controller extends \WP_REST_Controller {
17	/**
18	* The namespace of this controller's route.
19	*
20	* @var string
21	*/
22	protected $namespace = ACTIVITYPUB_REST_NAMESPACE;
23
24	/**
25	* The base of this controller's route.
26	*
27	* @var string
28	*/
29	protected $rest_base = 'url/validate';
30
31	/**
32	* Register routes.
33	*/
34	public function register_routes() {
35	register_rest_route(
36	$this->namespace,
37	'/' . $this->rest_base,
38	array(
39	array(
40	'methods' => \WP_REST_Server::READABLE,
41	'callback' => array( $this, 'get_items' ),
42	'permission_callback' => array( $this, 'get_items_permissions_check' ),
43	'args' => array(
44	'url' => array(
45	'type' => 'string',
46	'format' => 'uri',
47	'required' => true,
48	),
49	),
50	),
51	'schema' => array( $this, 'get_item_schema' ),
52	)
53	);
54	}
55
56	/**
57	* Check if a given request has access to validate URLs.
58	*
59	* @param \WP_REST_Request $request The request.
60	*
61	* @return bool True if the request has access to validate URLs, false otherwise.
62	*/
63	public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
64	return current_user_can( 'edit_posts' );
65	}
66
67	/**
68	* Check if URL is a valid ActivityPub endpoint.
69	*
70	* @param \WP_REST_Request $request The request.
71	*
72	* @return \WP_REST_Response\|\WP_Error
73	*/
74	public function get_items( $request ) {
75	$url = $request->get_param( 'url' );
76	$object = Http::get_remote_object( $url );
77
78	if ( is_wp_error( $object ) ) {
79	return new \WP_Error(
80	'activitypub_invalid_url',
81	__( 'Invalid URL.', 'activitypub' ),
82	array( 'status' => 400 )
83	);
84	}
85
86	$response = array(
87	'is_activitypub' => ! empty( $object['type'] ),
88	'is_real_oembed' => Embed::has_real_oembed( $url ),
89	'html' => false,
90	);
91
92	if ( $response['is_activitypub'] ) {
93	$response['html'] = wp_oembed_get( $url );
94	}
95
96	return rest_ensure_response( $response );
97	}
98
99	/**
100	* Get the URL validation schema.
101	*
102	* @return array
103	*/
104	public function get_item_schema() {
105	if ( $this->schema ) {
106	return $this->add_additional_fields_schema( $this->schema );
107	}
108
109	$schema = array(
110	'$schema' => 'http://json-schema.org/draft-04/schema#',
111	'title' => 'validated-url',
112	'type' => 'object',
113	'properties' => array(
114	'is_activitypub' => array(
115	'type' => 'boolean',
116	'default' => false,
117	),
118	'is_real_oembed' => array(
119	'type' => 'boolean',
120	'default' => false,
121	),
122	'html' => array(
123	'type' => 'string',
124	'default' => false,
125	),
126	),
127	);
128
129	$this->schema = $schema;
130
131	return $this->add_additional_fields_schema( $this->schema );
132	}
133	}
134