localization.cls.php — LiteSpeed Cache 7.6.1

litespeed-cache / src / localization.cls.php

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localization.cls.php

197 lines

1	<?php
2	// phpcs:ignoreFile
3
4	/**
5	* The localization class.
6	*
7	* @since 3.3
8	*/
9
10	namespace LiteSpeed;
11
12	defined('WPINC') \|\| exit();
13
14	class Localization extends Base {
15
16	const LOG_TAG = '🛍️';
17
18	/**
19	* Init optimizer
20	*
21	* @since 3.0
22	* @access protected
23	*/
24	public function init() {
25	add_filter('litespeed_buffer_finalize', array( $this, 'finalize' ), 23); // After page optm
26	}
27
28	/**
29	* Localize Resources
30	*
31	* @since 3.3
32	*/
33	public function serve_static( $uri ) {
34	$url = base64_decode($uri);
35
36	if (!$this->conf(self::O_OPTM_LOCALIZE)) {
37	// wp_redirect( $url );
38	exit('Not supported');
39	}
40
41	if (substr($url, -3) !== '.js') {
42	// wp_redirect( $url );
43	// exit( 'Not supported ' . $uri );
44	}
45
46	$match = false;
47	$domains = $this->conf(self::O_OPTM_LOCALIZE_DOMAINS);
48	foreach ($domains as $v) {
49	if (!$v \|\| strpos($v, '#') === 0) {
50	continue;
51	}
52
53	$type = 'js';
54	$domain = $v;
55	// Try to parse space split value
56	if (strpos($v, ' ')) {
57	$v = explode(' ', $v);
58	if (!empty($v[1])) {
59	$type = strtolower($v[0]);
60	$domain = $v[1];
61	}
62	}
63
64	if (strpos($domain, 'https://') !== 0) {
65	continue;
66	}
67
68	if ($type != 'js') {
69	continue;
70	}
71
72	// if ( strpos( $url, $domain ) !== 0 ) {
73	if ($url != $domain) {
74	continue;
75	}
76
77	$match = true;
78	break;
79	}
80
81	if (!$match) {
82	// wp_redirect( $url );
83	exit('Not supported2');
84	}
85
86	header('Content-Type: application/javascript');
87
88	// Generate
89	$this->_maybe_mk_cache_folder('localres');
90
91	$file = $this->_realpath($url);
92
93	self::debug('localize [url] ' . $url);
94	$response = wp_safe_remote_get($url, array(
95	'timeout' => 180,
96	'stream' => true,
97	'filename' => $file,
98	));
99
100	// Parse response data
101	if (is_wp_error($response)) {
102	$error_message = $response->get_error_message();
103	file_exists($file) && unlink($file);
104	self::debug('failed to get: ' . $error_message);
105	wp_redirect($url);
106	exit();
107	}
108
109	$url = $this->_rewrite($url);
110
111	wp_redirect($url);
112	exit();
113	}
114
115	/**
116	* Get the final URL of local avatar
117	*
118	* @since 4.5
119	*/
120	private function _rewrite( $url ) {
121	return LITESPEED_STATIC_URL . '/localres/' . $this->_filepath($url);
122	}
123
124	/**
125	* Generate realpath of the cache file
126	*
127	* @since 4.5
128	* @access private
129	*/
130	private function _realpath( $url ) {
131	return LITESPEED_STATIC_DIR . '/localres/' . $this->_filepath($url);
132	}
133
134	/**
135	* Get filepath
136	*
137	* @since 4.5
138	*/
139	private function _filepath( $url ) {
140	$filename = md5($url) . '.js';
141	if (is_multisite()) {
142	$filename = get_current_blog_id() . '/' . $filename;
143	}
144	return $filename;
145	}
146
147	/**
148	* Localize JS/Fonts
149	*
150	* @since 3.3
151	* @access public
152	*/
153	public function finalize( $content ) {
154	if (is_admin()) {
155	return $content;
156	}
157
158	if (!$this->conf(self::O_OPTM_LOCALIZE)) {
159	return $content;
160	}
161
162	$domains = $this->conf(self::O_OPTM_LOCALIZE_DOMAINS);
163	if (!$domains) {
164	return $content;
165	}
166
167	foreach ($domains as $v) {
168	if (!$v \|\| strpos($v, '#') === 0) {
169	continue;
170	}
171
172	$type = 'js';
173	$domain = $v;
174	// Try to parse space split value
175	if (strpos($v, ' ')) {
176	$v = explode(' ', $v);
177	if (!empty($v[1])) {
178	$type = strtolower($v[0]);
179	$domain = $v[1];
180	}
181	}
182
183	if (strpos($domain, 'https://') !== 0) {
184	continue;
185	}
186
187	if ($type != 'js') {
188	continue;
189	}
190
191	$content = str_replace($domain, LITESPEED_STATIC_URL . '/localres/' . base64_encode($domain), $content);
192	}
193
194	return $content;
195	}
196	}
197