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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| services: | ||
| commerce_paypal.logger: | ||
| class: Drupal\Core\Logger\LoggerChannel | ||
| factory: logger.factory:get | ||
| arguments: ['commerce_paypal'] | ||
| commerce_paypal.ipn_handler: | ||
| class: Drupal\commerce_paypal\IPNHandler | ||
| arguments: ['@entity_type.manager', '@commerce_paypal.logger', '@http_client'] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| <?php | ||
|
|
||
| namespace Drupal\commerce_paypal; | ||
|
|
||
| use Drupal\Core\Entity\EntityTypeManagerInterface; | ||
| use GuzzleHttp\ClientInterface; | ||
| use Psr\Log\LoggerInterface; | ||
| use Symfony\Component\HttpFoundation\Request; | ||
| use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; | ||
|
|
||
| class IPNHandler implements IPNHandlerInterface { | ||
|
|
||
| /** | ||
| * The entity type manager. | ||
| * | ||
| * @var \Drupal\Core\Entity\EntityTypeManagerInterface | ||
| */ | ||
| protected $entityTypeManager; | ||
|
|
||
| /** | ||
| * The logger. | ||
| * | ||
| * @var \Drupal\Core\Logger\LoggerChannelInterface | ||
| */ | ||
| protected $logger; | ||
|
|
||
| /** | ||
| * The HTTP client. | ||
| * | ||
| * @var \GuzzleHttp\Client | ||
| */ | ||
| protected $httpClient; | ||
|
|
||
| /** | ||
| * Constructs a new PaymentGatewayBase object. | ||
| * | ||
| * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager | ||
| * The entity type manager. | ||
| * @param \Psr\Log\LoggerInterface $logger | ||
| * The logger channel. | ||
| * @param \GuzzleHttp\ClientInterface $client | ||
| * The client. | ||
| */ | ||
| public function __construct(EntityTypeManagerInterface $entity_type_manager, LoggerInterface $logger, ClientInterface $client) { | ||
| $this->entityTypeManager = $entity_type_manager; | ||
| $this->logger = $logger; | ||
| $this->httpClient = $client; | ||
| } | ||
|
|
||
| /** | ||
| * {@inheritdoc} | ||
| */ | ||
| public function process(Request $request) { | ||
| // Get IPN request data. | ||
| $ipn_data = $this->getRequestDataArray($request->getContent()); | ||
|
|
||
| // Exit now if the $_POST was empty. | ||
| if (empty($ipn_data)) { | ||
| $this->logger->warning('IPN URL accessed with no POST data submitted.'); | ||
| throw new BadRequestHttpException('IPN URL accessed with no POST data submitted.'); | ||
| } | ||
|
|
||
| // Make PayPal request for IPN validation. | ||
| $url = $this->getIpnValidationUrl($ipn_data); | ||
| $validate_ipn = 'cmd=_notify-validate&' . $request->getContent(); | ||
| $request = $this->httpClient->post($url, [ | ||
| 'body' => $validate_ipn, | ||
| ])->getBody(); | ||
| $paypal_response = $this->getRequestDataArray($request->getContents()); | ||
|
|
||
| // If the IPN was invalid, log a message and exit. | ||
| if (isset($paypal_response['INVALID'])) { | ||
| $this->logger->alert('Invalid IPN received and ignored.'); | ||
| throw new BadRequestHttpException('Invalid IPN received and ignored.'); | ||
| } | ||
|
|
||
| return $ipn_data; | ||
| } | ||
|
|
||
| /** | ||
| * Get data array from a request content. | ||
| * | ||
| * @param string $request_content | ||
| * The Request content. | ||
| * | ||
| * @return array | ||
| * The request data array. | ||
| */ | ||
| protected function getRequestDataArray($request_content) { | ||
| parse_str(html_entity_decode($request_content), $ipn_data); | ||
| return $ipn_data; | ||
| } | ||
|
|
||
| /** | ||
| * Gets the IPN URL to be used for validation for IPN data. | ||
| * | ||
| * @param array $ipn_data | ||
| * The IPN request data from PayPal. | ||
| * | ||
| * @return string | ||
| * The IPN validation URL. | ||
| */ | ||
| protected function getIpnValidationUrl(array $ipn_data) { | ||
| if (!empty($ipn_data['test_ipn']) && $ipn_data['test_ipn'] == 1) { | ||
| return 'https://ipnpb.sandbox.paypal.com/cgi-bin/webscr'; | ||
| } | ||
| else { | ||
| return 'https://ipnpb.paypal.com/cgi-bin/webscr'; | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| <?php | ||
|
|
||
| namespace Drupal\commerce_paypal; | ||
|
|
||
| use Symfony\Component\HttpFoundation\Request; | ||
|
|
||
| /** | ||
| * Provides a handler for IPN requests from PayPal. | ||
| */ | ||
| interface IPNHandlerInterface { | ||
|
|
||
| /** | ||
| * Processes an incoming IPN request. | ||
| * | ||
| * @param \Symfony\Component\HttpFoundation\Request $request | ||
| * The request. | ||
| * | ||
| * @return mixed | ||
| * The request data array. | ||
| * | ||
| * @throws \Symfony\Component\HttpKernel\Exception\HttpException | ||
| */ | ||
| public function process(Request $request); | ||
|
|
||
| } |
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