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<?php
namespace Bitrix\Sale\PaySystem;
use Bitrix\Main,
Bitrix\Main\Localization\Loc,
Bitrix\Sale\Payment,
Bitrix\Sale\PriceMaths;
/**
* Class ApplePay
* @package Bitrix\Sale\PaySystem
*/
final class ApplePay
{
private const MERCHANT_SESSION_GATEWAY = "https://apple-pay-gateway.apple.com/paymentservices/paymentSession";
private const FILE_PREFIX = "apple_pay_cert_";
private const HTTP_RESPONSE_CODE_OK = 200;
/** @var string */
private $merchantIdentifier;
/** @var string */
private $displayName;
/** @var string */
private $domainName;
/** @var string */
private $initiativeContext;
/** @var string */
private $applePayCert;
/**
* ApplePay constructor.
*
* @param $merchantIdentifier
* @param $displayName
* @param $domainName
* @param $applePayCert
*/
public function __construct(string $merchantIdentifier, string $displayName, string $domainName, string $applePayCert)
{
$this->merchantIdentifier = $merchantIdentifier;
$this->displayName = $displayName;
$this->domainName = $domainName;
$this->applePayCert = $applePayCert;
}
/**
* @param string $initiativeContext
*/
public function setInitiativeContext(string $initiativeContext): void
{
$this->initiativeContext = $initiativeContext;
}
/**
* @param $url
* @return ServiceResult
*/
public function getWebSession($url): ServiceResult
{
$result = new ServiceResult();
$requestParameters = [
"merchantIdentifier" => $this->merchantIdentifier,
"displayName" => $this->displayName,
"initiativeContext" => $this->domainName,
"initiative" => "web",
];
try
{
$result = $this->sendRequest($url, $requestParameters);
}
catch (Main\SystemException $ex)
{
$result->addError(new Main\Error("Failed to get web session"));
}
return $result;
}
/**
* @return ServiceResult
*/
public function getIMessageSession(): ServiceResult
{
$result = new ServiceResult();
$requestParameters = [
"merchantIdentifier" => hash("sha256", $this->merchantIdentifier),
"displayName" => $this->displayName,
"domainName" => $this->domainName,
"initiative" => "messaging",
"initiativeContext" => $this->initiativeContext,
];
try
{
$result = $this->sendRequest(self::MERCHANT_SESSION_GATEWAY, $requestParameters);
}
catch (Main\SystemException $ex)
{
$result->addError(new Main\Error("Failed to get messenger session"));
}
return $result;
}
/**
* @param Payment $payment
* @param array $config
* @return ServiceResult
* @throws Main\ArgumentNullException
*/
public function getIMessagePayment(Payment $payment, array $config): ServiceResult
{
$result = new ServiceResult();
$checkConfigResult = $this->checkConfig($config);
if (!$checkConfigResult->isSuccess())
{
$result->addErrors($checkConfigResult->getErrors());
return $result;
}
$messengerDataResult = $this->prepareIMessageData($payment, $config);
if (!$messengerDataResult->isSuccess())
{
$result->addErrors($messengerDataResult->getErrors());
return $result;
}
$result->setData($messengerDataResult->getData());
return $result;
}
/**
* @param Payment $payment
* @param array $config
* @return ServiceResult
* @throws Main\ArgumentNullException
*/
private function prepareIMessageData(Payment $payment, array $config): ServiceResult
{
$result = new ServiceResult();
$merchantSessionResult = $this->getIMessageSession();
if (!$merchantSessionResult->isSuccess())
{
$result->addErrors($merchantSessionResult->getErrors());
return $result;
}
$orderId = $payment->getOrder()->getId();
$paymentSum = PriceMaths::roundPrecision($payment->getSum());
$receivedMessage = [
"style" => "icon",
"title" => $config["merchantDisplayName"],
"subtitle" => Loc::getMessage(
"SALE_APPLE_PAY_ORDER_SUBTITLE",
[
"#ORDER_ID#" => $orderId,
"#SUM#" => \SaleFormatCurrency($paymentSum, $payment->getField('CURRENCY')),
]
),
];
$replyMessage = [
"title" => Loc::getMessage(
"SALE_APPLE_PAY_ORDER_SUBTITLE",
[
"#ORDER_ID#" => $orderId,
"#SUM#" => \SaleFormatCurrency($paymentSum, $payment->getField('CURRENCY')),
]
),
];
$data = [
"requestIdentifier" => self::getUuid(),
"mspVersion" => "1.0",
"payment" => [
"paymentRequest" => [
"lineItems" => [
[
"label" => Loc::getMessage(
"SALE_APPLE_PAY_LINE_ITEM_ORDER",
[
"#ORDER_ID#" => $orderId,
]
),
"amount" => (string)$paymentSum,
"type" => "final"
],
],
"total" => [
"label" => Loc::getMessage("SALE_APPLE_PAY_LINE_ITEM_TOTAL"),
"amount" => (string)$paymentSum,
"type" => "final"
],
"applePay" => [
"merchantIdentifier" => $this->merchantIdentifier,
"supportedNetworks" => $config["supportedNetworks"],
"merchantCapabilities" => $config["merchantCapabilities"] ?? ["supports3DS"],
],
"merchantName" => $config["merchantName"],
"countryCode" => $config["countryCode"],
"currencyCode" => $payment->getField("CURRENCY"),
"requiredBillingContactFields" => $config["requiredBillingContactFields"] ?? [],
"requiredShippingContactFields" => $config["requiredShippingContactFields"] ?? [],
],
"merchantSession" => $merchantSessionResult->getData(),
"endpoints" => $config["endpoints"]
]
];
$result->setData([
"replyMessage" => $replyMessage,
"receivedMessage" => $receivedMessage,
"data" => $data,
]);
return $result;
}
/**
* @param array $config
* @return ServiceResult
*/
private function checkConfig(array $config): ServiceResult
{
$result = new ServiceResult();
if (empty($config["merchantDisplayName"]))
{
$result->addError(new Main\Error("merchantDisplayName is empty", "merchantDisplayName"));
}
if (empty($config["supportedNetworks"]))
{
$result->addError(new Main\Error("supportedNetworks is empty", "supportedNetworks"));
}
if (empty($config["merchantName"]))
{
$result->addError(new Main\Error("merchantName is empty", "merchantName"));
}
if (empty($config["countryCode"]))
{
$result->addError(new Main\Error("countryCode is empty", "countryCode"));
}
if (empty($config["endpoints"]))
{
$result->addError(new Main\Error("endpoints is empty", "endpoints"));
}
return $result;
}
/**
* @param $url
* @param array $params
* @return ServiceResult
* @throws Main\ArgumentException
* @throws Main\ArgumentNullException
* @throws Main\ArgumentOutOfRangeException
* @throws Main\ArgumentTypeException
* @throws Main\ObjectException
*/
private function sendRequest($url, array $params = array()): ServiceResult
{
$result = new ServiceResult();
$httpClient = new Main\Web\HttpClient();
foreach ($this->getHeaders() as $name => $value)
{
$httpClient->setHeader($name, $value);
}
$httpClient->setContextOptions($this->getContextOptions($this->applePayCert));
$postData = null;
if ($params)
{
$postData = static::encode($params);
}
Logger::addDebugInfo("ApplePay: 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 $result;
}
Logger::addDebugInfo("ApplePay: response data: ".$response);
if ($response = static::decode($response))
{
$httpStatus = $httpClient->getStatus();
if ($httpStatus !== self::HTTP_RESPONSE_CODE_OK)
{
if (isset($response["statusMessage"]))
{
$result->addError(
new Main\Error(
Loc::getMessage(
"SALE_APPLE_PAY_HTTP_STATUS_MESSAGE",
[
"#HTTP_STATUS#" => $httpStatus,
"#STATUS_MESSAGE#" => $response["statusMessage"],
]
)
)
);
}
else
{
$result->addError(
new Main\Error(
Loc::getMessage(
"SALE_APPLE_PAY_HTTP_STATUS_CODE",
[
"#HTTP_STATUS#" => $httpStatus,
]
)
)
);
}
}
$result->setData($response);
}
return $result;
}
/**
* @return array
*/
private function getHeaders(): array
{
return [
"Content-Type" => "application/json",
];
}
/**
* @param $applePayCert
* @return array
*/
private function getContextOptions($applePayCert): array
{
if ($applePayCert)
{
$applePayCertPath = $this->createTmpFile($applePayCert);
if ($applePayCertPath)
{
return [
"ssl" => [
"local_cert" => $applePayCertPath,
"local_pk" => $applePayCertPath
]
];
}
}
return [];
}
/**
* @param $data
* @return string
*/
private function createTmpFile($data): string
{
$filePath = \CTempFile::GetFileName(self::FILE_PREFIX.randString());
CheckDirPath($filePath);
if ($filePath && ($data !== null))
{
file_put_contents($filePath, $data);
}
return $filePath ?? "";
}
/**
* @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;
}
}
/**
* @return string
*/
private static function getUuid(): string
{
return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
mt_rand(0, 0xffff), mt_rand(0, 0xffff),
mt_rand(0, 0xffff),
mt_rand(0, 0x0fff) | 0x4000,
mt_rand(0, 0x3fff) | 0x8000,
mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
);
}
}