Файловый менеджер - Редактировать - /home/u418952908/domains/fitnesstricks.xyz/public_html/ajax/btc-check.php
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<?php /** * QRcdr - php QR Code generator * ajax/btc-check.php * * PHP version 5.4+ * * @category PHP * @package QRcdr * @author Nicola Franchini <info@veno.it> * @copyright 2015-2020 Nicola Franchini * @license item sold on codecanyon https://codecanyon.net/item/qrcdr-responsive-qr-code-generator/9226839 * @link http://veno.es/qrcdr/ */ error_reporting(E_ALL); ini_set('display_errors', 1); if (!isset($_SERVER['HTTP_X_REQUESTED_WITH']) || (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) !== 'xmlhttprequest') ) { exit; } $getaddress = filter_input(INPUT_POST, "btc_account", FILTER_SANITIZE_SPECIAL_CHARS); function validate($address){ $decoded = decodeBase58($address); $d1 = hash("sha256", substr($decoded,0,21), true); $d2 = hash("sha256", $d1, true); if(substr_compare($decoded, $d2, 21, 4)){ throw new \Exception("bad digest"); } return true; } function decodeBase58($input) { $alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; $out = array_fill(0, 25, 0); for($i=0;$i<strlen($input);$i++){ if(($p=strpos($alphabet, $input[$i]))===false){ throw new \Exception("invalid character found"); } $c = $p; for ($j = 25; $j--; ) { $c += (int)(58 * $out[$j]); $out[$j] = (int)($c % 256); $c /= 256; $c = (int)$c; } if($c != 0){ throw new \Exception("address too long"); } } $result = ""; foreach($out as $val){ $result .= chr($val); } return $result; } $message = "ok"; try { validate($getaddress); } catch(\Exception $e) { $message = $e->getMessage(); } echo $message;
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