jetpack / extensions / blocks / map / map.php

map.php in Jetpack – WP Security, Backup, Speed, & Growth 8.6, at extensions/blocks/map/map.php

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1	<?php
2	/**
3	* Map block.
4	*
5	* @since 6.8.0
6	*
7	* @package Jetpack
8	*/
9
10	namespace Automattic\Jetpack\Extensions\Map;
11
12	use Automattic\Jetpack\Tracking;
13	use Jetpack;
14	use Jetpack_AMP_Support;
15	use Jetpack_Gutenberg;
16	use Jetpack_Mapbox_Helper;
17	use Jetpack_Options;
18
19	const FEATURE_NAME = 'map';
20	const BLOCK_NAME = 'jetpack/' . FEATURE_NAME;
21
22	if ( ! class_exists( 'Jetpack_Mapbox_Helper' ) ) {
23	\jetpack_require_lib( 'class-jetpack-mapbox-helper' );
24	}
25
26	/**
27	* Registers the block for use in Gutenberg
28	* This is done via an action so that we can disable
29	* registration if we need to.
30	*/
31	function register_block() {
32	jetpack_register_block(
33	BLOCK_NAME,
34	array(
35	'render_callback' => __NAMESPACE__ . '\load_assets',
36	)
37	);
38	}
39	add_action( 'init', __NAMESPACE__ . '\register_block' );
40
41	/**
42	* Record a Tracks event every time the Map block is loaded on WordPress.com and Atomic.
43	*
44	* @param string $access_token_source The Mapbox API access token source.
45	*/
46	function wpcom_load_event( $access_token_source ) {
47	if ( 'wpcom' !== $access_token_source ) {
48	return;
49	}
50
51	$event_name = 'map_block_mapbox_wpcom_key_load';
52	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
53	jetpack_require_lib( 'tracks/client' );
54	tracks_record_event( wp_get_current_user(), $event_name );
55	} elseif ( jetpack_is_atomic_site() && Jetpack::is_active() ) {
56	$tracking = new Tracking();
57	$tracking->record_user_event( $event_name );
58	}
59	}
60
61	/**
62	* Map block registration/dependency declaration.
63	*
64	* @param array $attr Array containing the map block attributes.
65	* @param string $content String containing the map block content.
66	*
67	* @return string
68	*/
69	function load_assets( $attr, $content ) {
70	$access_token = Jetpack_Mapbox_Helper::get_access_token();
71
72	wpcom_load_event( $access_token['source'] );
73
74	if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {
75	static $map_block_counter = array();
76
77	$id = get_the_ID();
78	if ( ! isset( $map_block_counter[ $id ] ) ) {
79	$map_block_counter[ $id ] = 0;
80	}
81	$map_block_counter[ $id ]++;
82
83	$iframe_url = add_query_arg(
84	array(
85	'map-block-counter' => absint( $map_block_counter[ $id ] ),
86	'map-block-post-id' => $id,
87	),
88	get_permalink()
89	);
90
91	$placeholder = preg_replace( '/(?<=<div\s)/', 'placeholder ', $content );
92
93	return sprintf(
94	'<amp-iframe src="%s" width="%d" height="%d" layout="responsive" allowfullscreen sandbox="allow-scripts">%s</amp-iframe>',
95	esc_url( $iframe_url ),
96	4,
97	3,
98	$placeholder
99	);
100	}
101
102	Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
103
104	return preg_replace( '/<div /', '<div data-api-key="' . esc_attr( $access_token['key'] ) . '" ', $content, 1 );
105	}
106
107	/**
108	* Render a page containing only a single Map block.
109	*/
110	function render_single_block_page() {
111	// phpcs:ignore WordPress.Security.NonceVerification
112	$map_block_counter = isset( $_GET, $_GET['map-block-counter'] ) ? absint( $_GET['map-block-counter'] ) : null;
113	// phpcs:ignore WordPress.Security.NonceVerification
114	$map_block_post_id = isset( $_GET, $_GET['map-block-post-id'] ) ? absint( $_GET['map-block-post-id'] ) : null;
115
116	if ( ! $map_block_counter \|\| ! $map_block_post_id ) {
117	return;
118	}
119
120	/* Create an array of all root-level DIVs that are Map Blocks */
121	$post = get_post( $map_block_post_id );
122
123	if ( ! class_exists( 'DOMDocument' ) ) {
124	return;
125	}
126
127	$post_html = new \DOMDocument();
128	/** This filter is already documented in core/wp-includes/post-template.php */
129	$content = apply_filters( 'the_content', $post->post_content );
130
131	/* Suppress warnings */
132	libxml_use_internal_errors( true );
133	@$post_html->loadHTML( $content ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
134	libxml_use_internal_errors( false );
135
136	$xpath = new \DOMXPath( $post_html );
137	$container = $xpath->query( '//div[ contains( @class, "wp-block-jetpack-map" ) ]' )->item( $map_block_counter - 1 );
138
139	/* Check that we have a block matching the counter position */
140	if ( ! $container ) {
141	return;
142	}
143
144	/* Compile scripts and styles */
145	ob_start();
146
147	add_filter( 'jetpack_is_amp_request', '__return_false' );
148
149	Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
150	wp_scripts()->do_items();
151	wp_styles()->do_items();
152
153	add_filter( 'jetpack_is_amp_request', '__return_true' );
154
155	$head_content = ob_get_clean();
156
157	/* Put together a new complete document containing only the requested block markup and the scripts/styles needed to render it */
158	$block_markup = $post_html->saveHTML( $container );
159	$access_token = Jetpack_Mapbox_Helper::get_access_token();
160	$page_html = sprintf(
161	'<!DOCTYPE html><head><style>html, body { margin: 0; padding: 0; }</style>%s</head><body>%s</body>',
162	$head_content,
163	preg_replace( '/(?<=<div\s)/', 'data-api-key="' . esc_attr( $access_token['key'] ) . '" ', $block_markup, 1 )
164	);
165	echo $page_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
166	exit;
167	}
168	add_action( 'wp', __NAMESPACE__ . '\render_single_block_page' );
169