[Authorize.Net] How is «Transaction Key» used?

dmitry_fedyuk · February 19, 2018, 8:55pm

1. Magento\Authorizenet\Model\Authorizenet::getRequest()

magento/magento2/blob/2.2.2/app/code/Magento/Authorizenet/Model/Authorizenet.php#L254-L269


/**
 * Return authorize payment request
 *
 * @return \Magento\Authorizenet\Model\Request
 */
protected function getRequest()
{
    $request = $this->requestFactory->create()
        ->setXVersion(3.1)
        ->setXDelimData('True')
        ->setXRelayResponse('False')
        ->setXTestRequest($this->getConfigData('test') ? 'TRUE' : 'FALSE')
        ->setXLogin($this->getConfigData('login'))
        ->setXTranKey($this->getConfigData('trans_key'));
    return $request;
}

2. Magento\Authorizenet\Model\TransactionService::loadTransactionDetails()

github.com

magento/magento2/blob/2.2.2/app/code/Magento/Authorizenet/Model/TransactionService.php#L89-L141


 * Load transaction details
 *
 * @param \Magento\Authorizenet\Model\Authorizenet $context
 * @param string $transactionId
 * @return \Magento\Framework\Simplexml\Element
 * @throws \Magento\Framework\Exception\LocalizedException
 */
protected function loadTransactionDetails(Authorizenet $context, $transactionId)
{


    $requestBody = $this->getRequestBody(
        $context->getConfigData('login'),
        $context->getConfigData('trans_key'),
        $transactionId
    );


    /** @var \Magento\Framework\HTTP\ZendClient $client */
    $client = $this->httpClientFactory->create();
    $url = $context->getConfigData('cgi_url_td') ?: self::CGI_URL_TD;
    $client->setUri($url);
    $client->setConfig(['timeout' => self::CONNECTION_TIMEOUT]);
    $client->setHeaders(['Content-Type: text/xml']);
    $client->setMethod(\Zend_Http_Client::POST);
    $client->setRawData($requestBody);


    $debugData = ['url' => $url, 'request' => $this->removePrivateDataFromXml($requestBody)];


    try {
        $responseBody = $client->request()->getBody();
        if (!$this->xmlSecurityHelper->scan($responseBody)) {
            $this->logger->critical('Attempt loading of external XML entities in response from Authorizenet.');
            throw new \Exception();
        }
        $debugData['response'] = $responseBody;
        libxml_use_internal_errors(true);
        $responseXmlDocument = new Element($responseBody);
        libxml_use_internal_errors(false);
    } catch (\Exception $e) {
        throw new LocalizedException(__('Unable to get transaction details. Try again later.'));
    } finally {
        $context->debugData($debugData);
    }


    if (!isset($responseXmlDocument->messages->resultCode)
        || $responseXmlDocument->messages->resultCode != static::PAYMENT_UPDATE_STATUS_CODE_SUCCESS
    ) {
        throw new LocalizedException(__('Unable to get transaction details. Try again later.'));
    }


    $this->transactionDetails[$transactionId] = $responseXmlDocument;
    return $responseXmlDocument;
}

3. Magento\Authorizenet\Model\Directpost\Request::setConstantData()

github.com

magento/magento2/blob/2.2.2/app/code/Magento/Authorizenet/Model/Directpost/Request.php#L71-L89


/**
 * Set Authorizenet data to request.
 *
 * @param \Magento\Authorizenet\Model\Directpost $paymentMethod
 * @return $this
 */
public function setConstantData(\Magento\Authorizenet\Model\Directpost $paymentMethod)
{
    $this->setXVersion('3.1')->setXDelimData('FALSE')->setXRelayResponse('TRUE');


    $this->setXTestRequest($paymentMethod->getConfigData('test') ? 'TRUE' : 'FALSE');


    $this->setXLogin($paymentMethod->getConfigData('login'))
        ->setXMethod(\Magento\Authorizenet\Model\Authorizenet::REQUEST_METHOD_CC)
        ->setXRelayUrl($paymentMethod->getRelayUrl());


    $this->_setTransactionKey($paymentMethod->getConfigData('trans_key'));
    return $this;
}

dmitry_fedyuk · February 19, 2018, 8:58pm