class Webhook in PayPal for Payment 2.0.x

Handles the "webhook" route.

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
  • class \Drupal\paypal_payment\Controller\Webhook

File

src/Controller/Webhook.php, line 20

Namespace

Drupal\paypal_payment\Controller

class Webhook extends ControllerBase {

  /**
   * @var \Symfony\Component\HttpFoundation\Request
   */
  protected $request;

  /**
   * Redirect constructor.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   */
  public function __construct(Request $request) {
    $this->request = $request;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {

    /** @noinspection NullPointerExceptionInspection */
    return new static($container
      ->get('request_stack')
      ->getCurrentRequest());
  }

  /**
   * @param $payment_method_id
   *
   * @return \Drupal\Core\Access\AccessResult
   */
  public function access($payment_method_id) : AccessResult {
    return AccessResult::allowedIf($this
      ->verify($payment_method_id));
  }

  /**
   * @param string $payment_method_id
   *
   * @return bool
   */
  private function verify(string $payment_method_id) : bool {
    try {

      /** @var PayPalBasic $payment_method */
      $payment_method = Payment::methodManager()
        ->createInstance('paypal_payment_express:' . $payment_method_id);
      if (!$payment_method instanceof PayPalBasic) {
        throw new RuntimeException('Unsupported web hook');
      }
      $body = $this->request
        ->getContent();
      $resource = new VerifyWebhookSignature();
      $resource
        ->setAuthAlgo($this->request->headers
        ->get('paypal-auth-algo'));
      $resource
        ->setCertUrl($this->request->headers
        ->get('paypal-cert-url'));
      $resource
        ->setTransmissionId($this->request->headers
        ->get('paypal-transmission-id'));
      $resource
        ->setTransmissionSig($this->request->headers
        ->get('paypal-transmission-sig'));
      $resource
        ->setTransmissionTime($this->request->headers
        ->get('paypal-transmission-time'));
      $resource
        ->setRequestBody($body);
      $resource
        ->setWebhookId($payment_method
        ->getWebhookId());
      $response = $resource
        ->post($payment_method
        ->getApiContext($payment_method::PAYPAL_CONTEXT_TYPE_WEBHOOK));
      if ($response
        ->getVerificationStatus() === 'SUCCESS') {
        return TRUE;
      }
    } catch (Exception $ex) {

      // TODO: Error handling
    }
    return FALSE;
  }

  /**
   * PayPal calls this after the payment status has been changed.
   *
   * @param string $payment_method_id
   *
   * @return \Symfony\Component\HttpFoundation\Response
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function execute(string $payment_method_id) : Response {
    $webhook = new WebhookEvent($this->request
      ->getContent());
    $event_type_status_map = [
      'PAYMENT.AUTHORIZATION.CREATED' => 'payment_authorized',
      'PAYMENT.AUTHORIZATION.VOIDED' => 'payment_authorization_failed',
      'PAYMENT.CAPTURE.COMPLETED' => 'payment_success',
      'PAYMENT.CAPTURE.REFUNDED' => 'payment_refunded',
      'PAYMENT.SALE.COMPLETED' => 'payment_success',
      'PAYMENT.SALE.REFUNDED' => 'payment_refunded',
    ];
    $resource = $webhook
      ->getResource();
    $payment_id = $resource->invoice_number;
    $payment = $this
      ->entityTypeManager()
      ->getStorage('payment')
      ->load($payment_id);
    if ($payment && $payment
      ->getPaymentMethod()
      ->getPaymentId() === $resource->parent_payment) {
      $payment_status = Payment::statusManager()
        ->createInstance($event_type_status_map[$webhook
        ->getEventType()]);
      $payment
        ->setPaymentStatus($payment_status)
        ->save();
    }
    return new Response();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route.
ControllerBase::state	protected	function	Returns the state storage service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
Webhook::$request	protected	property
Webhook::access	public	function
Webhook::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
Webhook::execute	public	function	PayPal calls this after the payment status has been changed.
Webhook::verify	private	function
Webhook::__construct	public	function	Redirect constructor.