array_to_csv.php
3 years ago
date_format.php
3 years ago
exact_range.php
3 years ago
number_formatter.php
3 years ago
relative_range.php
3 years ago
request.php
3 years ago
salt.php
3 years ago
security.php
3 years ago
singleton.php
3 years ago
string.php
3 years ago
timezone.php
3 years ago
url.php
3 years ago
wp-async-request.php
3 years ago
salt.php
52 lines
| 1 | <?php |
| 2 | |
| 3 | namespace IAWP; |
| 4 | |
| 5 | class Salt |
| 6 | { |
| 7 | /* |
| 8 | * Used for salting visitor hashes. |
| 9 | */ |
| 10 | public static function visitor_token_salt(): string |
| 11 | { |
| 12 | return self::get_salt_option('iawp_salt'); |
| 13 | } |
| 14 | |
| 15 | /* |
| 16 | * Primarily used for salting request payloads. |
| 17 | */ |
| 18 | public static function request_payload_salt(): string |
| 19 | { |
| 20 | return self::get_salt_option('iawp_request_payload_salt'); |
| 21 | } |
| 22 | |
| 23 | private static function get_salt_option($name): string |
| 24 | { |
| 25 | $salt = get_option($name); |
| 26 | |
| 27 | if ($salt == false) { |
| 28 | $salt = self::generate_salt(); |
| 29 | update_option($name, $salt); |
| 30 | } |
| 31 | |
| 32 | return $salt; |
| 33 | } |
| 34 | |
| 35 | private static function generate_salt(): string |
| 36 | { |
| 37 | $length = 32; |
| 38 | |
| 39 | if (function_exists('random_bytes')) { |
| 40 | $bytes = bin2hex(random_bytes($length)); |
| 41 | } |
| 42 | if (function_exists('mcrypt_create_iv')) { |
| 43 | $bytes = bin2hex(mcrypt_create_iv($length, MCRYPT_DEV_URANDOM)); |
| 44 | } |
| 45 | if (function_exists('openssl_random_pseudo_bytes')) { |
| 46 | $bytes = bin2hex(openssl_random_pseudo_bytes($length)); |
| 47 | } |
| 48 | |
| 49 | return substr(strtr(base64_encode(hex2bin($bytes)), '+', '.'), 0, 44); |
| 50 | } |
| 51 | } |
| 52 |