jetpack / jetpack_vendor / automattic / jetpack-connection / src / class-urls.php

class-urls.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.7, at jetpack_vendor/automattic/jetpack-connection/src/class-urls.php

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1	<?php
2	/**
3	* The Jetpack Connection package Urls class file.
4	*
5	* @package automattic/jetpack-connection
6	*/
7
8	namespace Automattic\Jetpack\Connection;
9
10	use Automattic\Jetpack\Constants;
11
12	/**
13	* Provides Url methods for the Connection package.
14	*/
15	class Urls {
16
17	const HTTPS_CHECK_OPTION_PREFIX = 'jetpack_sync_https_history_';
18	const HTTPS_CHECK_HISTORY = 5;
19
20	/**
21	* Return URL from option or PHP constant.
22	*
23	* @param string $option_name (e.g. 'home').
24	*
25	* @return mixed\|null URL.
26	*/
27	public static function get_raw_url( $option_name ) {
28	$value = null;
29	$constant = ( 'home' === $option_name )
30	? 'WP_HOME'
31	: 'WP_SITEURL';
32
33	// Since we disregard the constant for multisites in ms-default-filters.php,
34	// let's also use the db value if this is a multisite.
35	if ( ! is_multisite() && Constants::is_defined( $constant ) ) {
36	$value = Constants::get_constant( $constant );
37	} else {
38	// Let's get the option from the database so that we can bypass filters. This will help
39	// ensure that we get more uniform values.
40	$value = \Jetpack_Options::get_raw_option( $option_name );
41	}
42
43	return $value;
44	}
45
46	/**
47	* Normalize domains by removing www unless declared in the site's option.
48	*
49	* @param string $option Option value from the site.
50	* @param callable $url_function Function retrieving the URL to normalize.
51	* @return mixed\|string URL.
52	*/
53	public static function normalize_www_in_url( $option, $url_function ) {
54	$url = wp_parse_url( call_user_func( $url_function ) );
55	$option_url = wp_parse_url( get_option( $option ) );
56
57	if ( ! $option_url \|\| ! $url ) {
58	return $url;
59	}
60
61	if ( "www.{$option_url[ 'host' ]}" === $url['host'] ) {
62	// remove www if not present in option URL.
63	$url['host'] = $option_url['host'];
64	}
65	if ( "www.{$url[ 'host' ]}" === $option_url['host'] ) {
66	// add www if present in option URL.
67	$url['host'] = $option_url['host'];
68	}
69
70	$normalized_url = "{$url['scheme']}://{$url['host']}";
71	if ( isset( $url['path'] ) ) {
72	$normalized_url .= "{$url['path']}";
73	}
74
75	if ( isset( $url['query'] ) ) {
76	$normalized_url .= "?{$url['query']}";
77	}
78
79	return $normalized_url;
80	}
81
82	/**
83	* Return URL with a normalized protocol.
84	*
85	* @param string $callable Function name that was used to retrieve URL option.
86	* @param string $new_value URL Protocol to set URLs to.
87	* @return string Normalized URL.
88	*/
89	public static function get_protocol_normalized_url( $callable, $new_value ) {
90	$option_key = self::HTTPS_CHECK_OPTION_PREFIX . $callable;
91
92	$parsed_url = wp_parse_url( $new_value );
93
94	if ( ! $parsed_url ) {
95	return $new_value;
96	}
97	if ( array_key_exists( 'scheme', $parsed_url ) ) {
98	$scheme = $parsed_url['scheme'];
99	} else {
100	$scheme = '';
101	}
102	$scheme_history = get_option( $option_key, array() );
103
104	if ( ! is_array( $scheme_history ) ) {
105	$scheme_history = array();
106	}
107
108	$scheme_history[] = $scheme;
109
110	// Limit length to self::HTTPS_CHECK_HISTORY.
111	$scheme_history = array_slice( $scheme_history, ( self::HTTPS_CHECK_HISTORY * -1 ) );
112
113	update_option( $option_key, $scheme_history );
114
115	$forced_scheme = in_array( 'https', $scheme_history, true ) ? 'https' : 'http';
116
117	return set_url_scheme( $new_value, $forced_scheme );
118	}
119
120	/**
121	* Helper function that is used when getting home or siteurl values. Decides
122	* whether to get the raw or filtered value.
123	*
124	* @param string $url_type URL to get, home or siteurl.
125	* @return string
126	*/
127	public static function get_raw_or_filtered_url( $url_type ) {
128	$url_function = ( 'home' === $url_type )
129	? 'home_url'
130	: 'site_url';
131
132	if (
133	! Constants::is_defined( 'JETPACK_SYNC_USE_RAW_URL' ) \|\|
134	Constants::get_constant( 'JETPACK_SYNC_USE_RAW_URL' )
135	) {
136	$scheme = is_ssl() ? 'https' : 'http';
137	$url = (string) self::get_raw_url( $url_type );
138	$url = set_url_scheme( $url, $scheme );
139	} else {
140	$url = self::normalize_www_in_url( $url_type, $url_function );
141	}
142
143	return self::get_protocol_normalized_url( $url_function, $url );
144	}
145
146	/**
147	* Return the escaped home_url.
148	*
149	* @return string
150	*/
151	public static function home_url() {
152	$url = self::get_raw_or_filtered_url( 'home' );
153
154	/**
155	* Allows overriding of the home_url value that is synced back to WordPress.com.
156	*
157	* @since 1.7.0
158	* @since-jetpack 5.2.0
159	*
160	* @param string $home_url
161	*/
162	return esc_url_raw( apply_filters( 'jetpack_sync_home_url', $url ) );
163	}
164
165	/**
166	* Return the escaped siteurl.
167	*
168	* @return string
169	*/
170	public static function site_url() {
171	$url = self::get_raw_or_filtered_url( 'siteurl' );
172
173	/**
174	* Allows overriding of the site_url value that is synced back to WordPress.com.
175	*
176	* @since 1.7.0
177	* @since-jetpack 5.2.0
178	*
179	* @param string $site_url
180	*/
181	return esc_url_raw( apply_filters( 'jetpack_sync_site_url', $url ) );
182	}
183
184	/**
185	* Return main site URL with a normalized protocol.
186	*
187	* @return string
188	*/
189	public static function main_network_site_url() {
190	return self::get_protocol_normalized_url( 'main_network_site_url', network_site_url() );
191	}
192
193	/**
194	* Maybe add the origin_site_id query parameter to a URL.
195	*
196	* The parameter is only added for users who are members of the current blog.
197	*
198	* @since 7.1.0
199	*
200	* @param string $url The URL to add the query param to.
201	* @return string The URL with the origin_site_id query parameter maybe added.
202	*/
203	public static function maybe_add_origin_site_id( $url ) {
204	$site_id = Manager::get_site_id();
205	if ( is_wp_error( $site_id ) ) {
206	return $url;
207	}
208
209	// Add query param to URL only for users who can access wp-admin.
210	if ( ! is_user_member_of_blog() ) {
211	return $url;
212	}
213
214	return add_query_arg( 'origin_site_id', $site_id, $url );
215	}
216	}
217