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<?php
/**
* Map block.
*
* @since 6.8.0
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Extensions\Map;
use Automattic\Jetpack\Blocks;
use Automattic\Jetpack\Status\Host;
use Automattic\Jetpack\Tracking;
use Jetpack;
use Jetpack_Gutenberg;
use Jetpack_Mapbox_Helper;
const FEATURE_NAME = 'map';
const BLOCK_NAME = 'jetpack/' . FEATURE_NAME;
if ( ! class_exists( 'Jetpack_Mapbox_Helper' ) ) {
\jetpack_require_lib( 'class-jetpack-mapbox-helper' );
}
/**
* Registers the block for use in Gutenberg
* This is done via an action so that we can disable
* registration if we need to.
*/
function register_block() {
Blocks::jetpack_register_block(
BLOCK_NAME,
array(
'render_callback' => __NAMESPACE__ . '\load_assets',
)
);
}
add_action( 'init', __NAMESPACE__ . '\register_block' );
/**
* Record a Tracks event every time the Map block is loaded on WordPress.com and Atomic.
*
* @param string $access_token_source The Mapbox API access token source.
*/
function wpcom_load_event( $access_token_source ) {
if ( 'wpcom' !== $access_token_source ) {
return;
}
$event_name = 'map_block_mapbox_wpcom_key_load';
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
jetpack_require_lib( 'tracks/client' );
tracks_record_event( wp_get_current_user(), $event_name );
} elseif ( ( new Host() )->is_woa_site() && Jetpack::is_connection_ready() ) {
$tracking = new Tracking();
$tracking->record_user_event( $event_name );
}
}
/**
* Map block registration/dependency declaration.
*
* @param array $attr Array containing the map block attributes.
* @param string $content String containing the map block content.
*
* @return string
*/
function load_assets( $attr, $content ) {
$access_token = Jetpack_Mapbox_Helper::get_access_token();
wpcom_load_event( $access_token['source'] );
if ( Blocks::is_amp_request() ) {
static $map_block_counter = array();
$id = get_the_ID();
if ( ! isset( $map_block_counter[ $id ] ) ) {
$map_block_counter[ $id ] = 0;
}
$map_block_counter[ $id ]++;
$iframe_url = add_query_arg(
array(
'map-block-counter' => absint( $map_block_counter[ $id ] ),
'map-block-post-id' => $id,
),
get_permalink()
);
$placeholder = preg_replace( '/(?<=<div\s)/', 'placeholder ', $content );
return sprintf(
'<amp-iframe src="%s" width="%d" height="%d" layout="responsive" allowfullscreen sandbox="allow-scripts">%s</amp-iframe>',
esc_url( $iframe_url ),
4,
3,
$placeholder
);
}
Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
return preg_replace( '/<div /', '<div data-api-key="' . esc_attr( $access_token['key'] ) . '" ', $content, 1 );
}
/**
* Render a page containing only a single Map block.
*/
function render_single_block_page() {
// phpcs:ignore WordPress.Security.NonceVerification
$map_block_counter = isset( $_GET, $_GET['map-block-counter'] ) ? absint( $_GET['map-block-counter'] ) : null;
// phpcs:ignore WordPress.Security.NonceVerification
$map_block_post_id = isset( $_GET, $_GET['map-block-post-id'] ) ? absint( $_GET['map-block-post-id'] ) : null;
if ( ! $map_block_counter || ! $map_block_post_id ) {
return;
}
/* Create an array of all root-level DIVs that are Map Blocks */
$post = get_post( $map_block_post_id );
if ( ! class_exists( 'DOMDocument' ) ) {
return;
}
$post_html = new \DOMDocument();
/** This filter is already documented in core/wp-includes/post-template.php */
$content = apply_filters( 'the_content', $post->post_content );
/* Suppress warnings */
libxml_use_internal_errors( true );
@$post_html->loadHTML( $content ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
libxml_use_internal_errors( false );
$xpath = new \DOMXPath( $post_html );
$container = $xpath->query( '//div[ contains( @class, "wp-block-jetpack-map" ) ]' )->item( $map_block_counter - 1 );
/* Check that we have a block matching the counter position */
if ( ! $container ) {
return;
}
/* Compile scripts and styles */
ob_start();
add_filter( 'jetpack_is_amp_request', '__return_false' );
Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
wp_scripts()->do_items();
wp_styles()->do_items();
add_filter( 'jetpack_is_amp_request', '__return_true' );
$head_content = ob_get_clean();
/* Put together a new complete document containing only the requested block markup and the scripts/styles needed to render it */
$block_markup = $post_html->saveHTML( $container );
$access_token = Jetpack_Mapbox_Helper::get_access_token();
$page_html = sprintf(
'<!DOCTYPE html><head><style>html, body { margin: 0; padding: 0; }</style>%s</head><body>%s</body>',
$head_content,
preg_replace( '/(?<=<div\s)/', 'data-api-key="' . esc_attr( $access_token['key'] ) . '" ', $block_markup, 1 )
);
echo $page_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
exit;
}
add_action( 'wp', __NAMESPACE__ . '\render_single_block_page' );
/**
* Helper function to generate the markup of the block in PHP.
*
* @param Array $points - Array containing geo location points.
*
* @return string Markup for the jetpack/map block.
*/
function map_block_from_geo_points( $points ) {
$map_block_data = array(
'points' => $points,
'zoom' => 8,
'mapCenter' => array(
'lng' => $points[0]['coordinates']['longitude'],
'lat' => $points[0]['coordinates']['latitude'],
),
);
$list_items = array_map(
function ( $point ) {
$link = add_query_arg(
array(
'api' => 1,
'query' => $point['coordinates']['latitude'] . ',' . $point['coordinates']['longitude'],
),
'https://www.google.com/maps/search/'
);
return sprintf( '<li><a href="%s">%s</a></li>', esc_url( $link ), $point['title'] );
},
$points
);
$map_block = '<!-- wp:jetpack/map ' . wp_json_encode( $map_block_data ) . ' -->' . PHP_EOL;
$map_block .= sprintf(
'<div class="wp-block-jetpack-map" data-map-style="default" data-map-details="true" data-points="%1$s" data-zoom="%2$d" data-map-center="%3$s" data-marker-color="red" data-show-fullscreen-button="true">',
esc_html( wp_json_encode( $map_block_data['points'] ) ),
(int) $map_block_data['zoom'],
esc_html( wp_json_encode( $map_block_data['mapCenter'] ) )
);
$map_block .= '<ul>' . implode( "\n", $list_items ) . '</ul>';
$map_block .= '</div>' . PHP_EOL;
$map_block .= '<!-- /wp:jetpack/map -->';
return $map_block;
}