redirection / models / request.php

request.php in Redirection 5.1.1, at models/request.php

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1	<?php
2
3	class Redirection_Request {
4	public static function get_request_headers() {
5	$ignore = apply_filters( 'redirection_request_headers_ignore', [
6	'cookie',
7	'host',
8	] );
9	$headers = [];
10
11	foreach ( $_SERVER as $name => $value ) {
12	if ( substr( $name, 0, 5 ) === 'HTTP_' ) {
13	$name = strtolower( substr( $name, 5 ) );
14	$name = str_replace( '_', ' ', $name );
15	$name = ucwords( $name );
16	$name = str_replace( ' ', '-', $name );
17
18	if ( ! in_array( strtolower( $name ), $ignore, true ) ) {
19	$headers[ $name ] = $value;
20	}
21	}
22	}
23
24	return apply_filters( 'redirection_request_headers', $headers );
25	}
26
27	public static function get_request_method() {
28	$method = '';
29
30	if ( isset( $_SERVER['REQUEST_METHOD'] ) ) {
31	$method = $_SERVER['REQUEST_METHOD'];
32	}
33
34	return apply_filters( 'redirection_request_method', $method );
35	}
36
37	/**
38	* Get the server name (from $_SERVER['SERVER_NAME]), or use the request name ($_SERVER['HTTP_HOST']) if not present
39	*
40	* @return string
41	*/
42	public static function get_server_name() {
43	$host = self::get_request_server_name();
44
45	if ( isset( $_SERVER['SERVER_NAME'] ) ) {
46	$host = $_SERVER['SERVER_NAME'];
47	}
48
49	return apply_filters( 'redirection_request_server', $host );
50	}
51
52	/**
53	* Get the request server name (from $_SERVER['HTTP_HOST])
54	*
55	* @return string
56	*/
57	public static function get_request_server_name() {
58	$host = '';
59
60	if ( isset( $_SERVER['HTTP_HOST'] ) ) {
61	$host = $_SERVER['HTTP_HOST'];
62	}
63
64	return apply_filters( 'redirection_request_server_host', $host );
65	}
66
67	public static function get_server() {
68	return self::get_protocol() . '://' . self::get_server_name();
69	}
70
71	public static function get_protocol() {
72	return is_ssl() ? 'https' : 'http';
73	}
74
75	public static function get_request_url() {
76	$url = '';
77
78	if ( isset( $_SERVER['REQUEST_URI'] ) ) {
79	$url = $_SERVER['REQUEST_URI'];
80	}
81
82	return apply_filters( 'redirection_request_url', stripslashes( $url ) );
83	}
84
85	public static function get_user_agent() {
86	$agent = '';
87
88	if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
89	$agent = $_SERVER['HTTP_USER_AGENT'];
90	}
91
92	return apply_filters( 'redirection_request_agent', $agent );
93	}
94
95	public static function get_referrer() {
96	$referrer = '';
97
98	if ( isset( $_SERVER['HTTP_REFERER'] ) ) {
99	$referrer = $_SERVER['HTTP_REFERER'];
100	}
101
102	return apply_filters( 'redirection_request_referrer', $referrer );
103	}
104
105	public static function get_ip_headers() {
106	return [
107	'HTTP_CF_CONNECTING_IP',
108	'HTTP_CLIENT_IP',
109	'HTTP_X_FORWARDED_FOR',
110	'HTTP_X_FORWARDED',
111	'HTTP_X_CLUSTER_CLIENT_IP',
112	'HTTP_FORWARDED_FOR',
113	'HTTP_FORWARDED',
114	'HTTP_VIA',
115	'REMOTE_ADDR',
116	];
117	}
118
119	public static function get_ip() {
120	$ip = '';
121
122	foreach ( self::get_ip_headers() as $var ) {
123	if ( ! empty( $_SERVER[ $var ] ) ) {
124	$ip = $_SERVER[ $var ];
125	$ip = explode( ',', $ip );
126	$ip = array_shift( $ip );
127	break;
128	}
129	}
130
131	// Convert to binary
132	// phpcs:ignore
133	$ip = @inet_pton( trim( $ip ) );
134	if ( $ip !== false ) {
135	// phpcs:ignore
136	$ip = @inet_ntop( $ip ); // Convert back to string
137	}
138
139	return apply_filters( 'redirection_request_ip', $ip ? $ip : '' );
140	}
141
142	public static function get_cookie( $cookie ) {
143	if ( isset( $_COOKIE[ $cookie ] ) ) {
144	return apply_filters( 'redirection_request_cookie', $_COOKIE[ $cookie ], $cookie );
145	}
146
147	return false;
148	}
149
150	public static function get_header( $name ) {
151	$name = 'HTTP_' . strtoupper( $name );
152	$name = str_replace( '-', '_', $name );
153
154	if ( isset( $_SERVER[ $name ] ) ) {
155	return apply_filters( 'redirection_request_header', $_SERVER[ $name ], $name );
156	}
157
158	return false;
159	}
160
161	public static function get_accept_language() {
162	if ( isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ) {
163	$languages = preg_replace( '/;.*$/', '', $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
164	$languages = str_replace( ' ', '', $languages );
165	return apply_filters( 'redirection_request_accept_language', explode( ',', $languages ) );
166	}
167
168	return [];
169	}
170	}
171