powered-cache / includes / classes / Optimizer / Helper.php

Helper.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score 2.0, at includes/classes/Optimizer/Helper.php

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1	<?php
2	/**
3	* Helpers for file optimizer
4	*
5	* @package PoweredCache\Optimizer
6	*/
7
8	namespace PoweredCache\Optimizer;
9
10	// phpcs:disable WordPress.WhiteSpace.PrecisionAlignment.Found
11
12	/**
13	* Class Helper
14	*/
15	class Helper {
16
17	/**
18	* Check if given url is an internal URL
19	*
20	* @param string $test_url URL against website
21	* @param string $site_url Site URL
22	*
23	* @return bool
24	*/
25	public static function is_internal_url( $test_url, $site_url ) {
26	$test_url_parsed = wp_parse_url( $test_url );
27	$site_url_parsed = wp_parse_url( $site_url );
28
29	if ( isset( $test_url_parsed['host'] )
30	&& $test_url_parsed['host'] !== $site_url_parsed['host'] ) {
31	return false;
32	}
33
34	if ( isset( $site_url_parsed['path'] )
35	&& 0 !== strpos( $test_url_parsed['path'], $site_url_parsed['path'] )
36	&& isset( $test_url_parsed['host'] ) // and if the URL of enqueued style is not relative
37	) {
38	return false;
39	}
40
41	return true;
42	}
43
44	/**
45	* Get the realpath of given URL
46	*
47	* @param string $url URL
48	* @param string $site_url Site URL
49	*
50	* @return bool\|string
51	*/
52	public static function realpath( $url, $site_url ) {
53	$url_path = wp_parse_url( $url, PHP_URL_PATH );
54	$site_url_path = wp_parse_url( $site_url, PHP_URL_PATH );
55	// To avoid partial matches; subdir install at `/wp` would match `/wp-includes`
56	$site_url_path = trailingslashit( $site_url_path );
57
58	// If this is a subdirectory site, we need to strip off the subdir from the URL.
59	// In a multisite install, the subdir is virtual and therefore not needed in the path.
60	// In a single-site subdir install, the subdir is included in the ABSPATH and therefore ends up duplicated.
61	if ( $site_url_path && '/' !== $site_url_path
62	&& 0 === strpos( $url_path, $site_url_path ) ) {
63	$url_path_without_subdir = preg_replace( '#^' . $site_url_path . '#', '', $url_path, 1 );
64
65	return realpath( ABSPATH . $url_path_without_subdir );
66	}
67
68	return realpath( ABSPATH . $url_path );
69	}
70
71	/**
72	* Replace path in the buffer
73	*
74	* @param string $buf buffer
75	* @param string $dirpath Directory path
76	*
77	* @return string\|string[]\|null
78	*/
79	public static function relative_path_replace( $buf, $dirpath ) {
80	// url(relative/path/to/file) -> url(/absolute/and/not/relative/path/to/file)
81	$buf = preg_replace(
82	'/(:?\surl\s$)\s(?:\'\|")?\s([^\/\'"\s$](?:(?<!data:\|http:\|https:\|[$\'"]#\|%23).))[\'"\s]$/isU',
83	'$1' . ( '/' === $dirpath ? '/' : $dirpath . '/' ) . '$2)',
84	$buf
85	);
86
87	return $buf;
88	}
89
90	/**
91	* Get the optimizer URL for given resource(s)
92	*
93	* @param string $path The list of the optimized files
94	* @param bool $minify minify flag
95	*
96	* @return string
97	*/
98	public static function get_optimized_url( $path, $minify ) {
99	$optimizer_url = POWERED_CACHE_URL . 'includes/file-optimizer.php??';
100	$optimized_url = $optimizer_url . $path . '?minify=' . absint( $minify );
101
102	$optimized_url = esc_url_raw( apply_filters( 'powered_cache_fo_optimized_url', $optimized_url, $path, $minify ) );
103
104	return $optimized_url;
105	}
106
107	/**
108	* Check if the given SRC excluded
109	*
110	* @param string $src URL
111	*
112	* @return bool
113	*/
114	public static function is_excluded_js( $src ) {
115	$settings = \PoweredCache\Utils\get_settings();
116	$excluded_files = preg_split( '#(\r\n\|\n\|\r)#', $settings['excluded_js_files'], - 1, PREG_SPLIT_NO_EMPTY );
117	$excluded_files = implode( '\|', $excluded_files );
118
119	if ( ! empty( $excluded_files ) && preg_match( '#(' . $excluded_files . ')#', $src ) ) {
120	return true;
121	}
122
123	return false;
124	}
125
126	/**
127	* Check if the given SRC excluded
128	*
129	* @param string $src URL
130	*
131	* @return bool
132	*/
133	public static function is_excluded_css( $src ) {
134	$settings = \PoweredCache\Utils\get_settings();
135	$excluded_files = preg_split( '#(\r\n\|\n\|\r)#', $settings['excluded_css_files'], - 1, PREG_SPLIT_NO_EMPTY );
136	$excluded_files = implode( '\|', $excluded_files );
137
138	if ( ! empty( $excluded_files ) && preg_match( '#(' . $excluded_files . ')#', $src ) ) {
139	return true;
140	}
141
142	return false;
143	}
144
145	}
146