| 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 ) ) { |
| 26 |
if ( isset( $setting_value['value'] ) ) { |
| 27 |
$settings[ $this->sanitize( sanitize_text_field( $key ) ) ] = $this->sanitize( $setting_value['value'] ); |
| 28 |
} elseif ( isset( $setting_value['choices'] ) ) { |
| 29 |
$settings[ $this->sanitize( sanitize_text_field( $key ) ) ] = array_map( |
| 30 |
function ( $choice ) { |
| 31 |
return [ |
| 32 |
'label' => $this->sanitize( isset( $choice['label'] ) ? $choice['label'] : '' ), |
| 33 |
'value' => $this->sanitize( isset( $choice['value'] ) ? $choice['value'] : '' ), |
| 34 |
]; |
| 35 |
}, |
| 36 |
$setting_value['choices'] |
| 37 |
); |
| 38 |
} |
| 39 |
} else { |
| 40 |
$settings[ $this->sanitize( sanitize_text_field( $key ) ) ] = $this->sanitize( $setting_value ); |
| 41 |
} |
| 42 |
} |
| 43 |
} |
| 44 |
|
| 45 |
if ( strlen( $name ) > 0 && strlen( $type ) > 0 ) { |
| 46 |
return [ |
| 47 |
'type' => $this->dash_case( $type ), |
| 48 |
'headerName' => $this->dash_case( $name ), |
| 49 |
'headerValue' => $value, |
| 50 |
'location' => $location, |
| 51 |
'headerSettings' => $settings, |
| 52 |
]; |
| 53 |
} |
| 54 |
|
| 55 |
return null; |
| 56 |
} |
| 57 |
|
| 58 |
public function get_json() { |
| 59 |
return $this->headers; |
| 60 |
} |
| 61 |
|
| 62 |
private function dash_case( $name ) { |
| 63 |
$name = preg_replace( '/[^A-Za-z0-9]/', ' ', $name ); |
| 64 |
$name = preg_replace( '/\s{2,}/', ' ', $name ); |
| 65 |
$name = trim( $name, ' ' ); |
| 66 |
$name = ucwords( $name ); |
| 67 |
$name = str_replace( ' ', '-', $name ); |
| 68 |
|
| 69 |
return $name; |
| 70 |
} |
| 71 |
|
| 72 |
private function remove_dupes( $headers ) { |
| 73 |
$new_headers = []; |
| 74 |
|
| 75 |
foreach ( $headers as $header ) { |
| 76 |
$new_headers[ $header['headerName'] ] = $header; |
| 77 |
} |
| 78 |
|
| 79 |
return array_values( $new_headers ); |
| 80 |
} |
| 81 |
|
| 82 |
public function get_site_headers() { |
| 83 |
$headers = array_values( $this->remove_dupes( array_filter( $this->headers, [ $this, 'is_site_header' ] ) ) ); |
| 84 |
|
| 85 |
return apply_filters( 'redirection_headers_site', $headers ); |
| 86 |
} |
| 87 |
|
| 88 |
public function get_redirect_headers() { |
| 89 |
// Site ones first, then redirect - redirect will override any site ones |
| 90 |
$headers = $this->get_site_headers(); |
| 91 |
$headers = array_merge( $headers, array_values( array_filter( $this->headers, [ $this, 'is_redirect_header' ] ) ) ); |
| 92 |
$headers = array_values( $this->remove_dupes( $headers ) ); |
| 93 |
|
| 94 |
return apply_filters( 'redirection_headers_redirect', $headers ); |
| 95 |
} |
| 96 |
|
| 97 |
private function is_site_header( $header ) { |
| 98 |
return $header['location'] === 'site'; |
| 99 |
} |
| 100 |
|
| 101 |
private function is_redirect_header( $header ) { |
| 102 |
return $header['location'] === 'redirect'; |
| 103 |
} |
| 104 |
|
| 105 |
public function run( $headers ) { |
| 106 |
$done = []; |
| 107 |
|
| 108 |
foreach ( $headers as $header ) { |
| 109 |
if ( ! in_array( $header['headerName'], $done, true ) ) { |
| 110 |
$name = $this->sanitize( $this->dash_case( $header['headerName'] ) ); |
| 111 |
$value = $this->sanitize( $header['headerValue'] ); |
| 112 |
|
| 113 |
// Trigger some other action |
| 114 |
do_action( 'redirection_header', $name, $value ); |
| 115 |
|
| 116 |
header( sprintf( '%s: %s', $name, $value ) ); |
| 117 |
$done[] = $header['headerName']; |
| 118 |
} |
| 119 |
} |
| 120 |
} |
| 121 |
|
| 122 |
/** |
| 123 |
* Sanitize that string |
| 124 |
* |
| 125 |
* @param string $text |
| 126 |
* @return string |
| 127 |
*/ |
| 128 |
private function sanitize( $text ) { |
| 129 |
if ( is_array( $text ) ) { |
| 130 |
return ''; |
| 131 |
} |
| 132 |
|
| 133 |
// No new lines |
| 134 |
$text = (string) preg_replace( "/[\r\n\t].*?$/s", '', $text ); |
| 135 |
|
| 136 |
// Clean control codes |
| 137 |
$text = (string) preg_replace( '/[^\PC\s]/u', '', $text ); |
| 138 |
|
| 139 |
// Try and remove bad decoding |
| 140 |
if ( function_exists( 'iconv' ) && is_string( $text ) ) { |
| 141 |
$converted = @iconv( 'UTF-8', 'UTF-8//IGNORE', $text ); |
| 142 |
if ( $converted !== false ) { |
| 143 |
$text = $converted; |
| 144 |
} |
| 145 |
} |
| 146 |
|
| 147 |
return $text; |
| 148 |
} |
| 149 |
} |
| 150 |
|
