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<?php
namespace Sale\Handlers\PaySystem;
use Bitrix\Main,
Bitrix\Main\Localization\Loc,
Bitrix\Main\Request,
Bitrix\Sale\Payment,
Bitrix\Sale\PaySystem,
Bitrix\Main\Web\HttpClient,
Bitrix\Sale\PaymentCollection,
Bitrix\Sale\PriceMaths;
Loc::loadMessages(__FILE__);
/**
* Class UaPayHandler
* @package Sale\Handlers\PaySystem
*/
class UaPayHandler
extends PaySystem\ServiceHandler
implements PaySystem\IRefund
{
const PAYMENT_STATUS_FINISHED = "FINISHED";
const INVOICE_ID_DELIMITER = "#";
/**
* @param Payment $payment
* @param Request|null $request
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\NotImplementedException
* @throws Main\ObjectException
*/
public function initiatePay(Payment $payment, Request $request = null)
{
$result = new PaySystem\ServiceResult();
$invoiceResult = $this->createInvoice($payment);
if ($invoiceResult->isSuccess())
{
$result->setPsData($invoiceResult->getPsData());
$invoiceData = $invoiceResult->getData();
$params = [
"CURRENCY" => $payment->getField("CURRENCY"),
"SUM" => PriceMaths::roundPrecision($payment->getSum()),
"URL" => $invoiceData["paymentPageUrl"],
];
$this->setExtraParams($params);
$showTemplateResult = $this->showTemplate($payment, "template");
if ($showTemplateResult->isSuccess())
{
$result->setTemplate($showTemplateResult->getTemplate());
}
else
{
$result->addErrors($showTemplateResult->getErrors());
}
if ($params["URL"])
{
$result->setPaymentUrl($params["URL"]);
}
}
else
{
$result->addErrors($invoiceResult->getErrors());
}
return $result;
}
/**
* @param Payment $payment
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
private function createSession(Payment $payment)
{
$result = new PaySystem\ServiceResult();
$clientId = $this->getBusinessValue($payment, "UAPAY_CLIENT_ID");
if (!$clientId)
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_CLIENT_ID")));
return $result;
}
$url = $this->getUrl($payment, "sessionCreate");
$requestParams = [
"params" => [
"clientId" => $this->getBusinessValue($payment, "UAPAY_CLIENT_ID")
]
];
$sendResult = $this->send($payment, $url, $requestParams);
if (!$sendResult->isSuccess())
{
$result->addErrors($sendResult->getErrors());
return $result;
}
$sendData = $sendResult->getData();
$validationResult = $this->validationResponse($payment, $sendData);
if (!$validationResult->isSuccess())
{
$result->addErrors($validationResult->getErrors());
return $result;
}
$payloadData = self::getPayload($sendData["data"]["token"]);
if (!$payloadData)
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_PARSE_JWT")));
return $result;
}
PaySystem\Logger::addDebugInfo(__CLASS__.": createSession payload: ".self::encode($payloadData));
$result->setData(["id" => $payloadData["id"]]);
return $result;
}
/**
* @param Payment $payment
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\NotImplementedException
* @throws Main\ObjectException
*/
private function createInvoice(Payment $payment)
{
$result = new PaySystem\ServiceResult();
$sessionResult = $this->createSession($payment);
if (!$sessionResult->isSuccess())
{
$result->addErrors($sessionResult->getErrors());
return $result;
}
$sessionData = $sessionResult->getData();
$url = $this->getUrl($payment, "invoicesCreate");
$extraInfo = [
"paySystemId" => $this->service->getField("ID"),
];
$requestParams = [
"params" => [
"sessionId" => $sessionData["id"],
"systemType" => "ECOM"
],
"data" => [
"externalId" => $payment->getField("ACCOUNT_NUMBER"),
"reusability" => false,
"type" => "PAY",
"callbackUrl" => $this->getBusinessValue($payment, "UAPAY_CALLBACK_URL"),
"description" => $this->getPaymentDescription($payment),
"amount" => (int)PriceMaths::roundPrecision($payment->getSum() * 100),
"redirectUrl" => $this->getRedirectUrl($payment),
"extraInfo" => self::encode($extraInfo),
],
];
if ($userEmail = $payment->getOrder()->getPropertyCollection()->getUserEmail())
{
$requestParams["data"]["email"] = $userEmail->getValue();
}
$sendResult = $this->send($payment, $url, $requestParams);
if (!$sendResult->isSuccess())
{
$result->addErrors($sendResult->getErrors());
return $result;
}
$sendData = $sendResult->getData();
$validationResult = $this->validationResponse($payment, $sendData);
if (!$validationResult->isSuccess())
{
$result->addErrors($validationResult->getErrors());
return $result;
}
$payloadData = self::getPayload($sendData["data"]["token"]);
if (!$payloadData)
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_PARSE_JWT")));
return $result;
}
PaySystem\Logger::addDebugInfo(__CLASS__.": createInvoice payload: ".self::encode($payloadData));
$result->setPsData(["PS_INVOICE_ID" => $payloadData["id"]]);
$result->setData($payloadData);
return $result;
}
/**
* @param Payment $payment
* @return mixed|string
*/
private function getRedirectUrl(Payment $payment)
{
return $this->getBusinessValue($payment, 'UAPAY_REDIRECT_URL') ?: $this->service->getContext()->getUrl();
}
/**
* @param Payment $payment
* @param $refundableSum
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
public function refund(Payment $payment, $refundableSum)
{
$result = new PaySystem\ServiceResult();
$sessionResult = $this->createSession($payment);
if ($sessionResult->isSuccess())
{
$sessionData = $sessionResult->getData();
$psInvoiceId = $payment->getField("PS_INVOICE_ID");
$psInvoiceIdList = explode(self::INVOICE_ID_DELIMITER, $psInvoiceId);
if (count($psInvoiceIdList) == 2)
{
$url = $this->getUrl($payment, "paymentReverse");
$requestParams = [
"params" => [
"sessionId" => $sessionData["id"],
"invoiceId" => $psInvoiceIdList[0],
"paymentId" => $psInvoiceIdList[1],
],
];
$sendResult = $this->send($payment, $url, $requestParams);
if (!$sendResult->isSuccess())
{
$result->addErrors($sendResult->getErrors());
}
if ($sendResult->isSuccess())
{
$sendData = $sendResult->getData();
$validationResult = $this->validationResponse($payment, $sendData);
if (!$validationResult->isSuccess())
{
$result->addErrors($validationResult->getErrors());
}
if ($validationResult->isSuccess())
{
$payloadData = self::getPayload($sendData["data"]["token"]);
if ($payloadData)
{
PaySystem\Logger::addDebugInfo(__CLASS__.": refund payload: ".self::encode($payloadData));
}
else
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_PARSE_JWT")));
}
}
}
}
else
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_PAYMENT_ID")));
}
}
else
{
$result->addErrors($sessionResult->getErrors());
}
if ($result->isSuccess())
{
$result->setOperationType(PaySystem\ServiceResult::MONEY_LEAVING);
}
else
{
PaySystem\Logger::addError(__CLASS__.": refund: ".join("\n", $result->getErrorMessages()));
}
return $result;
}
/**
* @param Payment $payment
* @param $url
* @param array $params
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
private function send(Payment $payment, $url, array $params)
{
$result = new PaySystem\ServiceResult();
$httpClient = new HttpClient();
$headers = $this->getHeaders();
foreach ($headers as $name => $value)
{
$httpClient->setHeader($name, $value);
}
$params["iat"] = time();
$params["token"] = $this->getJwt($payment, $params);
$postData = self::encode($params);
PaySystem\Logger::addDebugInfo(__CLASS__.": request data: ".$postData);
$response = $httpClient->post($url, $postData);
if ($response === false)
{
$errors = $httpClient->getError();
foreach ($errors as $code =>$message)
{
$result->addError(new Main\Error($message, $code));
}
return $result;
}
PaySystem\Logger::addDebugInfo(__CLASS__.": response data: ".$response);
$httpStatus = $httpClient->getStatus();
if ($httpStatus !== 200)
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_HTTP_STATUS", [
"#STATUS_CODE#" => $httpStatus
])));
return $result;
}
$response = self::decode($response);
if ($response)
{
$result->setData($response);
}
return $result;
}
/**
* @param Payment $payment
* @param $response
* @return PaySystem\ServiceResult
*/
private function validationResponse(Payment $payment, $response)
{
$result = new PaySystem\ServiceResult();
if (!is_array($response))
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_RESPONSE")));
return $result;
}
if (isset($response["status"]) && !$response["status"])
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_RESPONSE_STATUS")));
return $result;
}
if (isset($response["error"]))
{
$result->addError(new Main\Error($response["error"]["message"], $response["error"]["code"]));
return $result;
}
if (!$this->isTokenCorrect($response["data"]["token"], $payment))
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_CHECK_SUM")));
return $result;
}
return $result;
}
/**
* @return array
*/
private function getHeaders()
{
$headers = [
"Content-Type" => "application/json",
];
return $headers;
}
/**
* @param $token
* @return mixed|null
*/
private static function getPayload($token)
{
$tokenPathList = explode(".", $token);
if (count($tokenPathList) != 3)
{
return null;
}
$payload = self::decode(self::urlSafeBase64Decode($tokenPathList[1]));
return $payload;
}
/**
* @param $token
* @param Payment $payment
* @return bool
*/
private function isTokenCorrect($token, Payment $payment)
{
$signKey = (string)$this->getBusinessValue($payment, "UAPAY_SIGN_KEY");
$tokenPathList = explode(".", $token);
if (count($tokenPathList) != 3)
{
return false;
}
list($headBase64, $bodyBase64, $cryptoBase64) = $tokenPathList;
$signature = self::urlSafeBase64Decode($cryptoBase64);
$hash = hash_hmac("sha256", $headBase64.".".$bodyBase64, $signKey, true);
if ($hash)
{
return hash_equals($signature, $hash);
}
return false;
}
/**
* @param Payment $payment
* @param array $payload
* @return string
* @throws Main\ArgumentException
*/
private function getJwt(Payment $payment, array $payload)
{
$signKey = (string)$this->getBusinessValue($payment, "UAPAY_SIGN_KEY");
$search = ["+", "/", "="];
$replace = ["-", "_", ""];
$header = self::encode(["alg" => "HS256", "typ" => "JWT"]);
$base64UrlHeader = str_replace($search, $replace, base64_encode($header));
$payload = self::encode($payload);
$base64UrlPayload = str_replace($search, $replace, base64_encode($payload));
$signature = hash_hmac("sha256", $base64UrlHeader.".".$base64UrlPayload, $signKey, true);
$base64UrlSignature = str_replace($search, $replace, base64_encode($signature));
$jwt = $base64UrlHeader.".".$base64UrlPayload.".".$base64UrlSignature;
return $jwt;
}
/**
* @return array
*/
public function getCurrencyList()
{
return ["UAH"];
}
/**
* @param Payment $payment
* @param Request $request
* @return PaySystem\ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
public function processRequest(Payment $payment, Request $request)
{
$result = new PaySystem\ServiceResult();
$inputStream = self::readFromStream();
$data = self::decode($inputStream);
if ($payloadData = self::getPayload($data["token"]))
{
PaySystem\Logger::addDebugInfo(__CLASS__.": processRequest payloadData: ".self::encode($payloadData));
if ($this->isTokenCorrect($data["token"], $payment))
{
$paymentId = $payloadData["paymentId"] ?? $payloadData["id"];
if ($payloadData["paymentStatus"] === self::PAYMENT_STATUS_FINISHED && $paymentId)
{
$description = Loc::getMessage("SALE_HPS_UAPAY_TRANSACTION", [
"#ID#" => $payloadData["id"],
"#PAYMENT_NUMBER#" => $payloadData["paymentNumber"]
]);
$invoiceId = $payloadData["invoiceId"] ?? $payloadData["orderId"];
$fields = array(
"PS_INVOICE_ID" => $invoiceId.self::INVOICE_ID_DELIMITER.$paymentId,
"PS_STATUS_CODE" => $payloadData["paymentStatus"],
"PS_STATUS_DESCRIPTION" => $description,
"PS_SUM" => $payloadData["amount"] / 100,
"PS_STATUS" => "N",
"PS_RESPONSE_DATE" => new Main\Type\DateTime()
);
if ($this->isSumCorrect($payment, $payloadData["amount"] / 100))
{
$fields["PS_STATUS"] = "Y";
PaySystem\Logger::addDebugInfo(
__CLASS__.": PS_CHANGE_STATUS_PAY=".$this->getBusinessValue($payment, "PS_CHANGE_STATUS_PAY")
);
if ($this->getBusinessValue($payment, "PS_CHANGE_STATUS_PAY") === "Y")
{
$result->setOperationType(PaySystem\ServiceResult::MONEY_COMING);
}
}
else
{
$error = Loc::getMessage("SALE_HPS_UAPAY_ERROR_SUM");
$fields["PS_STATUS_DESCRIPTION"] .= " ".$error;
$result->addError(new Main\Error($error));
}
$result->setPsData($fields);
}
}
else
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_CHECK_SUM")));
}
}
else
{
$result->addError(new Main\Error(Loc::getMessage("SALE_HPS_UAPAY_ERROR_PARSE_JWT")));
}
if (!$result->isSuccess())
{
$error = __CLASS__.": processRequest: ".join("\n", $result->getErrorMessages());
PaySystem\Logger::addError($error);
}
return $result;
}
/**
* @param Payment $payment
* @param $amount
* @return bool
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
private function isSumCorrect(Payment $payment, $amount)
{
PaySystem\Logger::addDebugInfo(
__CLASS__.": sum=".PriceMaths::roundPrecision($amount)."; paymentSum=".PriceMaths::roundPrecision($payment->getSum())
);
return PriceMaths::roundPrecision($amount) === PriceMaths::roundPrecision($payment->getSum());
}
/**
* @param Request $request
* @param int $paySystemId
* @return bool
*/
public static function isMyResponse(Request $request, $paySystemId)
{
$inputStream = self::readFromStream();
if ($inputStream)
{
$data = self::decode($inputStream);
if ($data !== false && isset($data["token"]))
{
$payloadData = self::getPayload($data["token"]);
if (!$payloadData)
{
return false;
}
if (isset($payloadData["extraInfo"]) && !is_array($payloadData["extraInfo"]))
{
$payloadData["extraInfo"] = self::decode($payloadData["extraInfo"]);
}
if (isset($payloadData["extraInfo"]["paySystemId"]) && ((int)$payloadData["extraInfo"]["paySystemId"] === (int)$paySystemId))
{
return true;
}
}
}
return false;
}
/**
* @param Request $request
* @return mixed
*/
public function getPaymentIdFromRequest(Request $request)
{
$inputStream = self::readFromStream();
$data = self::decode($inputStream);
$payloadData = self::getPayload($data["token"]);
if (!$payloadData)
{
return false;
}
if (isset($payloadData["externalId"]))
{
return $payloadData["externalId"];
}
return false;
}
/**
* @return array
*/
protected function getUrlList()
{
$testUrl = "https://api.demo.uapay.ua/api/";
$activeUrl = "https://api.uapay.ua/api/";
return [
"sessionCreate" => [
self::TEST_URL => $testUrl."sessions/create",
self::ACTIVE_URL => $activeUrl."sessions/create",
],
"invoicesCreate" => [
self::TEST_URL => $testUrl."invoicer/invoices/create",
self::ACTIVE_URL => $activeUrl."invoicer/invoices/create",
],
"paymentReverse" => [
self::TEST_URL => $testUrl."invoicer/payments/reverse",
self::ACTIVE_URL => $activeUrl."invoicer/payments/reverse",
]
];
}
/**
* @param Payment $payment
* @return bool
*/
protected function isTestMode(Payment $payment = null)
{
return ($this->getBusinessValue($payment, "UAPAY_TEST_MODE") === "Y");
}
/**
* @param Payment $payment
* @return mixed
* @throws Main\ArgumentException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\NotImplementedException
*/
private function getPaymentDescription(Payment $payment)
{
/** @var PaymentCollection $collection */
$collection = $payment->getCollection();
$order = $collection->getOrder();
$userEmail = $order->getPropertyCollection()->getUserEmail();
$description = str_replace(
[
"#PAYMENT_NUMBER#",
"#ORDER_NUMBER#",
"#PAYMENT_ID#",
"#ORDER_ID#",
"#USER_EMAIL#"
],
[
$payment->getField("ACCOUNT_NUMBER"),
$order->getField("ACCOUNT_NUMBER"),
$payment->getId(),
$order->getId(),
($userEmail) ? $userEmail->getValue() : ""
],
$this->getBusinessValue($payment, "UAPAY_INVOICE_DESCRIPTION")
);
return $description;
}
/**
* @param array $data
* @return mixed
* @throws Main\ArgumentException
*/
private static function encode(array $data)
{
return Main\Web\Json::encode($data, JSON_UNESCAPED_UNICODE);
}
/**
* @param string $data
* @return mixed
*/
private static function decode($data)
{
try
{
return Main\Web\Json::decode($data);
}
catch (Main\ArgumentException $exception)
{
return false;
}
}
/**
* @param $input
* @return bool|string
*/
private static function urlSafeBase64Decode($input)
{
$remainder = mb_strlen($input) % 4;
if ($remainder)
{
$padLength = 4 - $remainder;
$input .= str_repeat("=", $padLength);
}
return base64_decode(strtr($input, "-_", "+/"));
}
/**
* @return bool|string
*/
private static function readFromStream()
{
return file_get_contents("php://input");
}
}