jetpack / extensions / blocks / like / render.php

render.php in Jetpack – WP Security, Backup, Speed, & Growth 16.2, at extensions/blocks/like/render.php

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1	<?php
2	/**
3	* Like block render implementation.
4	*
5	* Loaded lazily from like.php only when the block is rendered, to keep the
6	* render body out of the eager front-end PHP/opcache footprint.
7	*
8	* @package automattic/jetpack
9	*/
10
11	namespace Automattic\Jetpack\Extensions\Like;
12
13	use Automattic\Jetpack\Assets;
14	use Automattic\Jetpack\Blocks;
15	use Automattic\Jetpack\Status\Request;
16	use Jetpack_Gutenberg;
17
18	if ( ! defined( 'ABSPATH' ) ) {
19	exit( 0 );
20	}
21
22	/**
23	* Like block render implementation.
24	*
25	* @param array $attr Array containing the Like block attributes.
26	* @param string $content String containing the Like block content.
27	* @param object $block Object containing the Like block data.
28	*
29	* @return string
30	*/
31	function render_block_implementation( $attr, $content, $block ) {
32	// Do not render the Like block in other context than front-end (i.e. feed, emails, API, etc.).
33	if ( ! Request::is_frontend() ) {
34	return;
35	}
36
37	/*
38	* Enqueue necessary scripts and styles.
39	*/
40	Jetpack_Gutenberg::load_assets_as_required( __DIR__ );
41
42	$html = '';
43
44	$uniqid = uniqid();
45	$post_id = $block->context['postId'] ?? null;
46	$title = esc_html__( 'Like or Reblog', 'jetpack' );
47
48	if ( ! $post_id ) {
49	return;
50	}
51
52	/*
53	* Never render the Like block on password-protected posts, even for viewers
54	* who can read the post (owners, admins, or after unlocking). We gate on the
55	* post having a password rather than post_password_required(), which is
56	* request-scoped and would let the Like button leak once a viewer unlocked
57	* the post.
58	*/
59	$post = get_post( $post_id );
60	if ( $post instanceof \WP_Post && ! empty( $post->post_password ) ) {
61	return;
62	}
63
64	// make sure we have `jetpack_likes_master_iframe` defined
65	require_once JETPACK__PLUGIN_DIR . 'modules/likes/jetpack-likes-master-iframe.php';
66
67	if ( ! has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
68	add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
69	}
70
71	$style_path = null;
72	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
73	$style_url = content_url( 'mu-plugins/likes/jetpack-likes.css' );
74	if ( defined( 'WP_CONTENT_DIR' ) && WP_CONTENT_DIR ) {
75	$style_path = WP_CONTENT_DIR . '/mu-plugins/likes/jetpack-likes.css';
76	}
77	$script_url = content_url( 'mu-plugins/likes/queuehandler.js' );
78	} else {
79	$style_url = Assets::get_file_url_for_environment(
80	'_inc/build/likes/style.min.css',
81	'modules/likes/style.css'
82	);
83	/** This filter is documented in projects/plugins/jetpack/load-jetpack.php */
84	$style_path = JETPACK__PLUGIN_DIR . ( apply_filters( 'jetpack_should_use_minified_assets', true ) ? '_inc/build/likes/style.min.css' : 'modules/likes/style.css' );
85	$script_url = Assets::get_file_url_for_environment(
86	'_inc/build/likes/queuehandler.min.js',
87	'modules/likes/queuehandler.js'
88	);
89	}
90	wp_enqueue_script(
91	'jetpack_likes_queuehandler',
92	$script_url,
93	array(),
94	JETPACK__VERSION,
95	array(
96	'strategy' => 'defer',
97	'in_footer' => true,
98	)
99	);
100	wp_enqueue_style( 'jetpack_likes', $style_url, array(), JETPACK__VERSION );
101
102	if ( $style_path ) {
103	wp_style_add_data( 'jetpack_likes', 'path', $style_path );
104	}
105
106	$show_reblog_button = $attr['showReblogButton'] ?? false;
107	$show_avatars = $attr['showAvatars'] ?? true;
108	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
109	$blog_id = get_current_blog_id();
110	$bloginfo = get_blog_details( (int) $blog_id );
111	$domain = $bloginfo->domain;
112	$reblog_param = $show_reblog_button ? '&reblog=1' : '';
113	$show_avatars_param = $show_avatars ? '' : '&slim=1';
114	$src = sprintf( 'https://widgets.wp.com/likes/index.html?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s%6$s%7$s&block=1', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid, $reblog_param, $show_avatars_param );
115
116	// provide the mapped domain when needed
117	if ( isset( $_SERVER['HTTP_HOST'] ) && strpos( sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ), '.wordpress.com' ) === false ) {
118	$sanitized_host = filter_var( wp_unslash( $_SERVER['HTTP_HOST'] ), FILTER_SANITIZE_URL );
119	$src .= '&domain=' . rawurlencode( $sanitized_host );
120	}
121	} else {
122	$blog_id = \Jetpack_Options::get_option( 'id' );
123	$url = home_url();
124	$url_parts = wp_parse_url( $url );
125	$domain = $url_parts['host'];
126	$show_avatars_param = $show_avatars ? '' : '&slim=1';
127	$src = sprintf( 'https://widgets.wp.com/likes/index.html?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s%6$s&block=1', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid, $show_avatars_param );
128	}
129
130	$name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );
131	$wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );
132
133	$html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='" . esc_attr( $wrapper ) . "' data-src='" . esc_attr( $src ) . "' data-name='" . esc_attr( $name ) . "' data-title='" . esc_attr( $title ) . "'>"
134	. "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='loading'>" . esc_html__( 'Loading…', 'jetpack' ) . '</span></div>'
135	. "<span class='sd-text-color'></span><a class='sd-link-color'></a>"
136	. '</div>';
137	return sprintf(
138	'<div class="%1$s">%2$s</div>',
139	esc_attr( Blocks::classes( Blocks::get_block_feature( __DIR__ ), $attr ) ),
140	$html
141	);
142	}
143