quickwebp / admin / rewrite-rules / class-rewrite-rules-abstract.php

class-rewrite-rules-abstract.php in QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress 3.2.2, at admin/rewrite-rules/class-rewrite-rules-abstract.php

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1	<?php
2	abstract class Rewrite_Rules_Abstract {
3
4	/**
5	* Name of the tag used as block delemiter.
6	*/
7	protected $tag_name = 'Quickwebp: rewrite rules for webp';
8
9	/**
10	* Add new contents to the file.
11	*/
12	public function add() {
13	$result = $this->insert_contents( $this->get_raw_new_contents() );
14
15	if ( is_wp_error( $result ) ) {
16	add_action( 'admin_notices', function() use ( $result ) {
17	?>
18	<div class="notice notice-error">
19	<p><?php echo $result->get_error_message(); ?></p>
20	</div>
21	<?php
22	});
23	}
24
25	return true;
26	}
27
28	/**
29	* Remove contents from the file.
30	*/
31	public function remove() {
32
33	$result = $this->insert_contents( '' );
34
35	if ( is_wp_error( $result ) ) {
36	add_action( 'admin_notices', function() use ( $result ) {
37	?>
38	<div class="notice notice-error">
39	<p><?php echo $result->get_error_message(); ?></p>
40	</div>
41	<?php
42	});
43	}
44
45	return true;
46	}
47
48	/**
49	* Insert new contents into the directory conf file.
50	* Replaces existing marked info. Creates file if none exists.
51	*/
52	protected function insert_contents( $new_contents ) {
53	$contents = $this->get_file_contents();
54
55	if ( is_wp_error( $contents ) ) {
56	return $contents;
57	}
58
59	$start_marker = '# BEGIN ' . $this->tag_name;
60	$end_marker = '# END ' . $this->tag_name;
61
62	// Remove previous rules.
63	$contents = preg_replace( '/\s?' . preg_quote( $start_marker, '/' ) . '.' . preg_quote( $end_marker, '/' ) . '\s*?/isU', "\n\n", $contents );
64	$contents = trim( $contents );
65
66	if ( $new_contents ) {
67	$contents = $new_contents . "\n\n" . $contents;
68	}
69
70	return $this->put_file_contents( $contents );
71	}
72
73	/**
74	* Get the path to the site's root.
75	* This is an improved version of get_home_path() that should work in almost every cases.
76	* Because creating a constant like ABSPATH was too simple.
77	*/
78	protected function get_site_root() {
79
80	$home = set_url_scheme( untrailingslashit( get_option( 'home' ) ), 'http' );
81	$siteurl = set_url_scheme( untrailingslashit( get_option( 'siteurl' ) ), 'http' );
82
83	if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) {
84	$wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */
85	$pos = strripos( str_replace( '\\', '/', ABSPATH ), trailingslashit( $wp_path_rel_to_home ) );
86	$root_path = substr( ABSPATH, 0, $pos );
87	$root_path = trailingslashit( wp_normalize_path( $root_path ) );
88	return $root_path;
89	}
90
91	if ( ! defined( 'PATH_CURRENT_SITE' ) \|\| ! is_multisite() \|\| is_main_site() ) {
92	$root_path = ABSPATH;
93	return $root_path;
94	}
95
96	/**
97	* For a multisite in its own directory, get_home_path() returns the expected path only for the main site.
98	*
99	* Friend, each time an attempt is made to improve this method, and especially this part, please increment the following counter.
100	* Improvement attempts: 3.
101	*/
102	$document_root = realpath( wp_unslash( $_SERVER['DOCUMENT_ROOT'] ) ); // `realpath()` is needed for those cases where $_SERVER['DOCUMENT_ROOT'] is totally different from ABSPATH.
103	$document_root = trailingslashit( str_replace( '\\', '/', $document_root ) );
104	$path_current_site = trim( str_replace( '\\', '/', PATH_CURRENT_SITE ), '/' );
105	$root_path = trailingslashit( wp_normalize_path( $document_root . $path_current_site ) );
106
107	return $root_path;
108	}
109
110	/**
111	* Get the file contents.
112	*/
113	protected function get_file_contents() {
114
115	$file_path = $this->get_file_path();
116	$file_exists = file_exists( $file_path );
117	if ( ! $file_exists ) {
118	$dir_name = dirname( $file_path );
119	if ( ! file_exists( $dir_name ) ){
120	mkdir( $dir_name, 0755, true );
121	}
122	touch( $file_path );
123	}
124	$writable = wp_is_writable( $file_path );
125
126	if ( is_wp_error( $writable ) ) {
127	return $writable;
128	}
129
130	$contents = @file_get_contents( $file_path );
131
132	if ( false === $contents ) {
133	return new \WP_Error(
134	'not_read',
135	sprintf(
136	__( 'The %s file could not be read.', QUICKWEBP_TEXT_DOMAIN ),
137	'<code>' . esc_html( $file_path ) . '</code>'
138	)
139	);
140	}
141
142	return $contents;
143	}
144
145	/**
146	* Write contents to the file.
147	*/
148	protected function put_file_contents( $contents ) {
149
150	$file_path = $this->get_file_path();
151	$result = $this->put_contents( $file_path, $contents );
152
153	if ( $result ) {
154	return true;
155	}
156
157	return new \WP_Error(
158	'edition_failed',
159	sprintf(
160	__( 'Could not write into the %s file.', QUICKWEBP_TEXT_DOMAIN ),
161	'<code>' . esc_html( $file_path ) . '</code>'
162	)
163	);
164	}
165
166	/**
167	* Write contents to the file.
168	*/
169	protected function put_contents( $file, $contents, $mode = false ) {
170
171	$fp = @fopen( $file, 'wb' );
172
173	if ( ! $fp ) {
174	return false;
175	}
176
177	mbstring_binary_safe_encoding();
178
179	$data_length = strlen( $contents );
180
181	$bytes_written = fwrite( $fp, $contents );
182
183	reset_mbstring_encoding();
184
185	fclose( $fp );
186
187	if ( $data_length !== $bytes_written ) {
188	return false;
189	}
190
191	$chmod_file = fileperms( ABSPATH . 'index.php' ) & 0777 \| 0644;
192	chmod( $file, $chmod_file );
193
194	return true;
195	}
196
197	}