quadmenu / jetpack_vendor / automattic / jetpack-status / src / class-visitor.php

class-visitor.php in QuadMenu – Mega Menu 3.3.6, at jetpack_vendor/automattic/jetpack-status/src/class-visitor.php

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1	<?php
2	/**
3	* Status and information regarding the site visitor.
4	*
5	* @package automattic/jetpack-status
6	*/
7
8	namespace Automattic\Jetpack\Status;
9
10	/**
11	* Visitor class.
12	*/
13	class Visitor {
14
15	/**
16	* Gets current user IP address.
17	*
18	* @param bool $check_all_headers Check all headers? Default is `false`.
19	*
20	* @return string Current user IP address.
21	*/
22	public function get_ip( $check_all_headers = false ) {
23	if ( $check_all_headers ) {
24	foreach ( array(
25	'HTTP_CF_CONNECTING_IP',
26	'HTTP_CLIENT_IP',
27	'HTTP_X_FORWARDED_FOR',
28	'HTTP_X_FORWARDED',
29	'HTTP_X_CLUSTER_CLIENT_IP',
30	'HTTP_FORWARDED_FOR',
31	'HTTP_FORWARDED',
32	'HTTP_VIA',
33	) as $key ) {
34	if ( ! empty( $_SERVER[ $key ] ) ) {
35	// @todo Some of these might actually be lists of IPs (e.g. HTTP_X_FORWARDED_FOR) or something else entirely (HTTP_VIA).
36	return filter_var( wp_unslash( $_SERVER[ $key ] ) );
37	}
38	}
39	}
40
41	return ! empty( $_SERVER['REMOTE_ADDR'] ) ? filter_var( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '';
42	}
43
44	/**
45	* Simple gate check for a11n feature testing purposes using AT_PROXIED_REQUEST constant.
46	* IMPORTANT: Only use it for internal feature test purposes, not authorization.
47	*
48	* The goal of this function is to help us gate features by using a similar function name
49	* we find on simple sites: is_automattician().
50	*
51	* @return bool True if the current request is PROXIED, false otherwise.
52	*/
53	public function is_automattician_feature_flags_only() {
54	return ( defined( 'AT_PROXIED_REQUEST' ) && AT_PROXIED_REQUEST );
55	}
56	}
57