/**
* This method generates a signature for the given entity (e.g. controller)
* and this transaction. The signature can be added for example to the
* URL provided to the customer.
*
* The signature can than be checked with checkSecuritySignature(). This enables
* to provided selective access to the transaction information.
*
* @param string $entityToSecure
* @return string
*/
public function getSecuritySignature($entityToSecure)
{
if ($this->securityToken === null) {
$this->securityToken = Customweb_Core_Util_Rand::getRandomString(64);
}
$entityToSecure = (string) $entityToSecure;
return hash_hmac('sha512', $entityToSecure . $this->getTransactionId(), $this->securityToken);
}
public function __construct(Customweb_Payment_Authorization_ITransactionContext $transactionContext)
{
$this->transactionContext = $transactionContext;
$this->transactionId = $transactionContext->getTransactionId();
$this->authorizationAmount = $transactionContext->getOrderContext()->getOrderAmountInDecimals();
$this->currencyCode = $transactionContext->getOrderContext()->getCurrencyCode();
$this->createdOn = new Customweb_Date_DateTime();
$this->externalTransactionId = $this->generateExternalId();
$this->securityToken = Customweb_Core_Util_Rand::getRandomString(64);
$skus = array();
foreach ($this->getTransactionContext()->getOrderContext()->getInvoiceItems() as $item) {
if (isset($skus[$item->getSku()])) {
throw new Exception("Could not start transaction because there are multiple line items with the same SKU.");
}
$skus[$item->getSku()] = $item->getSku();
}
}
