getObject('CALL tpvTransactionStart(#, #)', [$amount, $companyId]); if (!isset($row)) throw new Exception('Transaction error'); $transactionId = str_pad($row->transactionId, 12, '0', STR_PAD_LEFT); $urlOk = empty($_REQUEST['urlOk']) ? '' : sprintf($_REQUEST['urlOk'], $transactionId); $urlKo = empty($_REQUEST['urlKo']) ? '' : sprintf($_REQUEST['urlKo'], $transactionId); $merchantUrl = $row->merchantUrl ? $row->merchantUrl : ''; $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)); $key = mcrypt_encrypt(MCRYPT_3DES, $key, $transactionId, MCRYPT_MODE_CBC, $iv); $signature = base64_encode(hash_hmac('sha256', $encodedParams, $key, TRUE)); $url = $row->url; $postValues = [ 'Ds_SignatureVersion' => 'HMAC_SHA256_V1' ,'Ds_MerchantParameters' => $encodedParams ,'Ds_Signature' => $signature ]; return [ 'url' => $url ,'postValues' => $postValues ]; } }