yabe-webfont / src / Core / Frontpage.php

Frontpage.php in Jooosi Fon – Use Custom Fonts, Google Fonts or Adobe Fonts trunk, at src/Core/Frontpage.php

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1	<?php
2
3	/*
4	* This file is part of the Jooosi Fon package.
5	*
6	* (c) Joshua Gugun Siagian <suabahasa@gmail.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11	declare (strict_types=1);
12	namespace JooosiFon\Core;
13
14	use JooosiFonDeps\JOOOSI_FON;
15	use JooosiFon\Utils\Config;
16	use JooosiFon\Utils\Debug;
17	/**
18	* Serve the font on the frontpage.
19	*
20	* @author Joshua Gugun Siagian <suabahasa@gmail.com>
21	* @todo Remove the legacy Yabe Webfont hook shim completely in Jooosi Fon 3.0.0.
22	*/
23	final class Frontpage
24	{
25	/**
26	* @var string[]
27	*/
28	private array $preload_script_handles = [];
29	/**
30	* @var array<int, array<string, string>>
31	*/
32	private array $preload_resources = [];
33	private bool $print_preload_resources = \false;
34	public function __construct()
35	{
36	/**
37	* @see wp-includes\default-filters.php for the priority.
38	*/
39	add_action('wp_head', fn() => $this->append_header(), 1000001);
40	add_filter('wp_preload_resources', fn($resources) => $this->preload($resources));
41	add_action('wp_enqueue_scripts', fn() => $this->disable_user_google_fonts(), 1000001);
42	}
43	public static function enqueue_css_cache()
44	{
45	if (defined('JooosiFonDeps\JOOOSI_FON_CSS_CACHE_WAS_LOADED')) {
46	return;
47	}
48	Debug::stopwatch()->start(sprintf('%s::%s', self::class, __FUNCTION__));
49	if (file_exists(\JooosiFon\Core\Cache::get_cache_path(\JooosiFon\Core\Cache::CSS_CACHE_FILE))) {
50	$handle = JOOOSI_FON::WP_OPTION . '-cache';
51	$version = \JooosiFon\Core\Cache::get_cache_version(\JooosiFon\Core\Cache::CSS_CACHE_FILE) ?? JOOOSI_FON::VERSION;
52	if (Config::get('cache.inline_print', \false)) {
53	$css = file_get_contents(\JooosiFon\Core\Cache::get_cache_path(\JooosiFon\Core\Cache::CSS_CACHE_FILE));
54	if ($css !== \false) {
55	wp_register_style($handle, \false, [], null);
56	wp_add_inline_style($handle, $css);
57	}
58	} else {
59	wp_register_style($handle, \JooosiFon\Core\Cache::get_cache_url(\JooosiFon\Core\Cache::CSS_CACHE_FILE), [], $version);
60	}
61	do_action('a!jooosi/fon/core/frontpage:before_print_style');
62	do_action_deprecated('a!yabe/webfont/core/frontpage:before_print_style', [], '2.1.0', 'a!jooosi/fon/core/frontpage:before_print_style');
63	wp_enqueue_style($handle);
64	wp_print_styles($handle);
65	}
66	define('JooosiFonDeps\JOOOSI_FON_CSS_CACHE_WAS_LOADED', \true);
67	Debug::stopwatch()->stop(sprintf('%s::%s', self::class, __FUNCTION__));
68	}
69	/**
70	* Append the header to the frontpage.
71	*/
72	private function append_header()
73	{
74	if (function_exists('wp_preload_resources')) {
75	$this->print_preload_resources = \true;
76	wp_preload_resources();
77	$this->print_preload_resources = \false;
78	} else {
79	$this->preload([]);
80	}
81	self::enqueue_css_cache();
82	if ($this->preload_script_handles !== []) {
83	wp_print_scripts($this->preload_script_handles);
84	}
85	}
86	/**
87	* Preload the fonts file on the frontpage.
88	*/
89	private function preload($resources)
90	{
91	if (defined('JooosiFonDeps\JOOOSI_FON_PRELOAD_HTML_WAS_LOADED') && !$this->print_preload_resources) {
92	return $resources;
93	}
94	if (!defined('JooosiFonDeps\JOOOSI_FON_PRELOAD_HTML_WAS_LOADED')) {
95	Debug::stopwatch()->start(sprintf('%s::%s', self::class, __FUNCTION__));
96	if (file_exists(\JooosiFon\Core\Cache::get_cache_path(\JooosiFon\Core\Cache::PRELOAD_HTML_FILE))) {
97	$preload_html = file_get_contents(\JooosiFon\Core\Cache::get_cache_path(\JooosiFon\Core\Cache::PRELOAD_HTML_FILE));
98	if ($preload_html !== \false) {
99	preg_match_all('/<link\b[^>]*>/i', $preload_html, $link_tags);
100	foreach ($link_tags[0] as $link_tag) {
101	$rel = $this->get_attribute($link_tag, 'rel');
102	$href = $this->get_attribute($link_tag, 'href');
103	if (strtolower((string) $rel) !== 'preload' \|\| $href === null) {
104	continue;
105	}
106	$resource = ['href' => $href];
107	foreach (['as', 'type', 'media', 'fetchpriority'] as $attribute) {
108	$value = $this->get_attribute($link_tag, $attribute);
109	if ($value !== null) {
110	$resource[$attribute] = $value;
111	}
112	}
113	if (stripos($link_tag, ' crossorigin') !== \false) {
114	$resource['crossorigin'] = '';
115	}
116	$this->preload_resources[] = $resource;
117	}
118	preg_match_all('/<script\b[^>]>(.?)<\/script>/is', $preload_html, $script_tags);
119	foreach ($script_tags[1] as $script) {
120	$script = trim($script);
121	if ($script === '') {
122	continue;
123	}
124	$handle = sprintf('%s-preload-%s', JOOOSI_FON::WP_OPTION, md5($script));
125	wp_register_script($handle, \false, [], null, \false);
126	wp_add_inline_script($handle, $script);
127	$this->preload_script_handles[] = $handle;
128	}
129	}
130	}
131	define('JooosiFonDeps\JOOOSI_FON_PRELOAD_HTML_WAS_LOADED', \true);
132	Debug::stopwatch()->stop(sprintf('%s::%s', self::class, __FUNCTION__));
133	}
134	return $this->print_preload_resources ? $this->preload_resources : $resources;
135	}
136	private function get_attribute(string $tag, string $attribute): ?string
137	{
138	$pattern = sprintf('/\b%s\s=\s([\'\"])(.*?)\1/is', preg_quote($attribute, '/'));
139	if (preg_match($pattern, $tag, $matches)) {
140	return html_entity_decode($matches[2], \ENT_QUOTES, 'UTF-8');
141	}
142	return null;
143	}
144	/**
145	* Scan and disable Google Fonts API that loaded manually by the theme or plugin through `wp_enqueue_style` function.
146	*/
147	private function disable_user_google_fonts()
148	{
149	$is_disable = Config::get('misc.disable_user_google_fonts', \false);
150	if (!$is_disable) {
151	return;
152	}
153	global $wp_styles;
154	foreach ($wp_styles->queue as $q) {
155	if ($wp_styles->registered[$q]->src && strpos($wp_styles->registered[$q]->src, 'fonts.googleapis.com') !== \false) {
156	wp_dequeue_style($q);
157	wp_deregister_style($q);
158	}
159	}
160	}
161	}
162