redirection / models / header.php

header.php in Redirection 5.4, at models/header.php

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1	<?php
2
3	class Red_Http_Headers {
4	private $headers = [];
5
6	public function __construct( $options = [] ) {
7	if ( is_array( $options ) ) {
8	$this->headers = array_filter( array_map( [ $this, 'normalize' ], $options ) );
9	}
10	}
11
12	private function normalize( $header ) {
13	$location = 'site';
14	if ( isset( $header['location'] ) && $header['location'] === 'redirect' ) {
15	$location = 'redirect';
16	}
17
18	$name = $this->sanitize( isset( $header['headerName'] ) ? sanitize_text_field( $header['headerName'] ) : '' );
19	$type = $this->sanitize( isset( $header['type'] ) ? sanitize_text_field( $header['type'] ) : '' );
20	$value = $this->sanitize( isset( $header['headerValue'] ) ? sanitize_text_field( $header['headerValue'] ) : '' );
21	$settings = [];
22
23	if ( isset( $header['headerSettings'] ) && is_array( $header['headerSettings'] ) ) {
24	foreach ( $header['headerSettings'] as $key => $setting_value ) {
25	if ( is_array( $setting_value ) && isset( $setting_value['value'] ) ) {
26	$settings[ $this->sanitize( sanitize_text_field( $key ) ) ] = $this->sanitize( $setting_value['value'] );
27	} else {
28	$settings[ $this->sanitize( sanitize_text_field( $key ) ) ] = $this->sanitize( $setting_value );
29	}
30	}
31	}
32
33	if ( strlen( $name ) > 0 && strlen( $type ) > 0 ) {
34	return [
35	'type' => $this->dash_case( $type ),
36	'headerName' => $this->dash_case( $name ),
37	'headerValue' => $value,
38	'location' => $location,
39	'headerSettings' => $settings,
40	];
41	}
42
43	return null;
44	}
45
46	public function get_json() {
47	return $this->headers;
48	}
49
50	private function dash_case( $name ) {
51	$name = preg_replace( '/[^A-Za-z0-9]/', ' ', $name );
52	$name = preg_replace( '/\s{2,}/', ' ', $name );
53	$name = trim( $name, ' ' );
54	$name = ucwords( $name );
55	$name = str_replace( ' ', '-', $name );
56
57	return $name;
58	}
59
60	private function remove_dupes( $headers ) {
61	$new_headers = [];
62
63	foreach ( $headers as $header ) {
64	$new_headers[ $header['headerName'] ] = $header;
65	}
66
67	return array_values( $new_headers );
68	}
69
70	public function get_site_headers() {
71	$headers = array_values( $this->remove_dupes( array_filter( $this->headers, [ $this, 'is_site_header' ] ) ) );
72
73	return apply_filters( 'redirection_headers_site', $headers );
74	}
75
76	public function get_redirect_headers() {
77	// Site ones first, then redirect - redirect will override any site ones
78	$headers = $this->get_site_headers();
79	$headers = array_merge( $headers, array_values( array_filter( $this->headers, [ $this, 'is_redirect_header' ] ) ) );
80	$headers = array_values( $this->remove_dupes( $headers ) );
81
82	return apply_filters( 'redirection_headers_redirect', $headers );
83	}
84
85	private function is_site_header( $header ) {
86	return $header['location'] === 'site';
87	}
88
89	private function is_redirect_header( $header ) {
90	return $header['location'] === 'redirect';
91	}
92
93	public function run( $headers ) {
94	$done = [];
95
96	foreach ( $headers as $header ) {
97	if ( ! in_array( $header['headerName'], $done, true ) ) {
98	$name = $this->sanitize( $this->dash_case( $header['headerName'] ) );
99	$value = $this->sanitize( $header['headerValue'] );
100
101	// Trigger some other action
102	do_action( 'redirection_header', $name, $value );
103
104	header( sprintf( '%s: %s', $name, $value ) );
105	$done[] = $header['headerName'];
106	}
107	}
108	}
109
110	private function sanitize( $text ) {
111	// No new lines
112	$text = preg_replace( "/[\r\n\t].*?$/s", '', $text );
113
114	// Clean control codes
115	$text = preg_replace( '/[^\PC\s]/u', '', $text );
116
117	// Try and remove bad decoding
118	if ( function_exists( 'iconv' ) ) {
119	$converted = @iconv( 'UTF-8', 'UTF-8//IGNORE', $text );
120	if ( $converted !== false ) {
121	$text = $converted;
122	}
123	}
124
125	return $text;
126	}
127	}
128