solid-performance / src / Performance / Cache_Delivery / Htaccess / Modifier.php

Modifier.php in Solid Performance – Your No-Code Caching, Performance, & Page Speed Solution 1.9.0, at src/Performance/Cache_Delivery/Htaccess/Modifier.php

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1	<?php
2	/**
3	* The htaccess modifier.
4	*
5	* @package SolidWP\Performance
6	*/
7
8	declare( strict_types=1 );
9
10	namespace SolidWP\Performance\Cache_Delivery\Htaccess;
11
12	/**
13	* The htaccess modifier.
14	*
15	* @package SolidWP\Performance
16	*/
17	final class Modifier {
18
19	public const START_TAG = '# BEGIN SolidPerformance';
20	public const END_TAG = '# END SolidPerformance';
21
22	/**
23	* Prepend our htaccess rules to the existing htaccess content.
24	*
25	* @param string $content The existing htaccess content.
26	* @param string $rules The rules to insert.
27	*
28	* @return string
29	*/
30	public function prepend( string $content, string $rules ): string {
31	// Rules already exist, no replacement needed.
32	if ( $this->has_rules( $content ) ) {
33	return $content;
34	}
35
36	return $this->wrap( $rules ) . PHP_EOL . $content;
37	}
38
39	/**
40	* Force prepend (replace) the existing rules to the existing htaccess content.
41	*
42	* @param string $content The htaccess content.
43	* @param string $rules The rules to insert.
44	*
45	* @return string
46	*/
47	public function force_prepend( string $content, string $rules ): string {
48	if ( ! $this->has_rules( $content ) ) {
49	return $this->prepend( $content, $rules );
50	}
51
52	// Ensure we remove the line break after our end tag before replacing.
53	$regex = sprintf(
54	'/%s.?\s%s\R?/s',
55	preg_quote( self::START_TAG, '/' ),
56	preg_quote( self::END_TAG, '/' )
57	);
58
59	return preg_replace( $regex, $this->wrap( $rules ), $content );
60	}
61
62	/**
63	* Remove our rules from the htaccess content.
64	*
65	* @param string $content The content of the htaccess file.
66	*
67	* @return string
68	*/
69	public function remove( string $content ): string {
70	if ( ! $this->has_rules( $content ) ) {
71	return $content;
72	}
73
74	return preg_replace(
75	sprintf(
76	'/%s.?%s\s/s',
77	preg_quote( self::START_TAG, '/' ),
78	preg_quote( self::END_TAG, '/' )
79	),
80	'',
81	$content
82	) ?? $content;
83	}
84
85	/**
86	* Determine if the current htaccess file has our rules in it.
87	*
88	* @param string $content The htaccess content.
89	*
90	* @return bool
91	*/
92	public function has_rules( string $content ): bool {
93	$regex = sprintf(
94	'/%s.*?%s/s',
95	preg_quote( self::START_TAG, '/' ),
96	preg_quote( self::END_TAG, '/' )
97	);
98
99	return (bool) preg_match( $regex, $content );
100	}
101
102	/**
103	* Wrap our htaccess rules in our start/end tags.
104	*
105	* @param string $rules The htaccess rules.
106	*
107	* @return string
108	*/
109	private function wrap( string $rules ): string {
110	return self::START_TAG . PHP_EOL . trim( $rules ) . PHP_EOL . self::END_TAG . PHP_EOL;
111	}
112	}
113