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<?php |
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namespace Omnipay\Paystation\Message; |
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use DOMDocument; |
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use Omnipay\Common\Exception\InvalidRequestException; |
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use Omnipay\Common\Http\ClientInterface; |
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use Omnipay\Common\Message\AbstractRequest; |
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use Omnipay\Common\Message\NotificationInterface; |
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use Omnipay\Common\Message\RequestInterface; |
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use Omnipay\Common\Message\ResponseInterface; |
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use Symfony\Component\HttpFoundation\Request as HttpRequest; |
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/** |
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* Accept an incoming notification (a webhook) |
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* |
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* @see https://docs.paystation.co.nz/#post-response |
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*/ |
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class WebhookNotification extends AbstractRequest implements NotificationInterface, ResponseInterface |
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{ |
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use HasCardFields; |
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/** |
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* The data contained in the response. |
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* |
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* @var mixed |
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*/ |
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protected $data; |
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/** |
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* @inheritDoc |
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*/ |
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public function __construct(ClientInterface $httpClient, HttpRequest $httpRequest) |
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{ |
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parent::__construct($httpClient, $httpRequest); |
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// fetch POST stream directly |
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$responseDom = new DOMDocument(); |
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$parsed = $responseDom->loadXML($httpRequest->getContent(), LIBXML_NOWARNING | LIBXML_NOERROR); |
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if ($parsed === false) { |
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$error = libxml_get_last_error(); |
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throw new InvalidRequestException($error->message); |
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} |
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$this->data = simplexml_import_dom($responseDom); |
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} |
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/** |
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* ResponseInterface implemented so that we can return self here for any legacy support that uses send() |
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*/ |
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public function sendData($data) |
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{ |
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return $this; |
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} |
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/** |
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* Get the authorisation code if available. |
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* |
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* @return null|string |
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*/ |
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public function getTransactionReference() |
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{ |
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return isset($this->data->TransactionID) ? (string)$this->data->TransactionID : null; |
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} |
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/** |
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* Was the transaction successful? |
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* |
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* @return string Transaction status, one of {@link NotificationInterface::STATUS_COMPLETED}, |
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* {@link NotificationInterface::STATUS_PENDING}, or {@link NotificationInterface::STATUS_FAILED}. |
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*/ |
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public function getTransactionStatus() |
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{ |
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if (!isset($this->data->PaystationErrorCode)) { |
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return NotificationInterface::STATUS_FAILED; |
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} |
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if ((string)$this->data->PaystationErrorCode == '0') { |
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return NotificationInterface::STATUS_COMPLETED; |
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} |
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if (isset($this->data->Authentication->auth_Status) |
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&& (string)$this->data->Authentication->auth_Status == 'P' |
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) { |
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return NotificationInterface::STATUS_PENDING; |
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} |
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// last resort, assume failure |
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return NotificationInterface::STATUS_FAILED; |
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} |
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/** |
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* Get the merchant response message if available. |
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* |
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* Note: POST response doesn't include a <PaystationErrorMessage> node |
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* |
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* @return null|string |
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*/ |
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public function getMessage() |
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{ |
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return null; |
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} |
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public function getData() |
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{ |
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return $this->data; |
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} |
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/** |
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* Get the original request which generated this response |
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* |
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* @return RequestInterface |
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*/ |
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public function getRequest() |
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{ |
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return $this; |
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} |
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/** |
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* Is the response successful? |
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* |
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* @return boolean |
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*/ |
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public function isSuccessful() |
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{ |
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return $this->getTransactionStatus() == NotificationInterface::STATUS_COMPLETED; |
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} |
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/** |
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* Does the response require a redirect? |
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* |
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* @return boolean |
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*/ |
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public function isRedirect() |
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{ |
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return false; |
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} |
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/** |
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* Is the transaction cancelled by the user? |
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* |
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* @return boolean |
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*/ |
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public function isCancelled() |
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{ |
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return isset($this->data->Authentication->auth_Status) |
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&& (string)$this->data->Authentication->auth_Status == 'C'; |
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} |
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/** |
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* Response code |
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* |
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* @return null|string A response code from the payment gateway |
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*/ |
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public function getCode() |
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{ |
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return isset($this->data->PaystationErrorCode) ? (string)$this->data->PaystationErrorCode : null; |
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} |
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} |
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burnbright /
omnipay-paystation
