getObject('CALL tpvTransactionStart(#, #)', [$amount, $companyId]); if (!isset($row)) throw new Exception('Transaction error'); $transactionId = str_pad($row->transactionId, 12, '0', STR_PAD_LEFT); $merchantUrl = $row->merchantUrl ? $row->merchantUrl : ''; $urlOk = empty($_REQUEST['urlOk']) ? '' : str_replace('_transactionId_', $transactionId, $_REQUEST['urlOk']); $urlKo = empty($_REQUEST['urlKo']) ? '' : str_replace('_transactionId_', $transactionId, $_REQUEST['urlKo']); $params = [ 'Ds_Merchant_Amount' => $amount ,'Ds_Merchant_Order' => $transactionId ,'Ds_Merchant_MerchantCode' => $row->merchant ,'Ds_Merchant_Currency' => $row->currency ,'Ds_Merchant_TransactionType' => $row->transactionType ,'Ds_Merchant_Terminal' => $row->terminal ,'Ds_Merchant_MerchantURL' => $merchantUrl ,'Ds_Merchant_UrlOK' => $urlOk ,'Ds_Merchant_UrlKO' => $urlKo ]; $encodedParams = base64_encode(json_encode($params)); $key = base64_decode($row->secretKey); $bytes = [0, 0, 0, 0, 0, 0, 0, 0]; $iv = implode(array_map('chr', $bytes)); $paddedData = $transactionId; if (strlen($paddedData) % 8) { $paddedData = str_pad($paddedData, strlen($paddedData) + 8 - strlen($paddedData) % 8, "\0"); } $encryptedData = openssl_encrypt($paddedData, 'des-ede3-cbc', $key, OPENSSL_RAW_DATA | OPENSSL_NO_PADDING , $iv); $signature = base64_encode(hash_hmac('sha256', $encodedParams, $encryptedData, TRUE)); $url = $row->url; $postValues = [ 'Ds_SignatureVersion' => 'HMAC_SHA256_V1' ,'Ds_MerchantParameters' => $encodedParams ,'Ds_Signature' => $signature ]; return [ 'url' => $url ,'postValues' => $postValues ]; } }