PayPalWebhooks.php
107 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\Controller; |
| 4 | |
| 5 | use Give\Framework\Exceptions\Primitives\Exception; |
| 6 | use Give\Log\Log; |
| 7 | use Give\PaymentGateways\PayPalCommerce\DataTransferObjects\PayPalWebhookHeaders; |
| 8 | use Give\PaymentGateways\PayPalCommerce\Repositories\MerchantDetails; |
| 9 | use Give\PaymentGateways\PayPalCommerce\Repositories\Webhooks; |
| 10 | use Give\PaymentGateways\PayPalCommerce\Webhooks\WebhookRegister; |
| 11 | |
| 12 | class PayPalWebhooks |
| 13 | { |
| 14 | /** |
| 15 | * @since 2.8.0 |
| 16 | * |
| 17 | * @var MerchantDetails |
| 18 | */ |
| 19 | private $merchantRepository; |
| 20 | |
| 21 | /** |
| 22 | * @var Webhooks |
| 23 | */ |
| 24 | private $webhookRepository; |
| 25 | |
| 26 | /** |
| 27 | * @since 2.9.0 |
| 28 | * |
| 29 | * @var WebhookRegister |
| 30 | */ |
| 31 | private $webhookRegister; |
| 32 | |
| 33 | /** |
| 34 | * PayPalWebhooks constructor. |
| 35 | * |
| 36 | * @since 2.8.0 |
| 37 | * |
| 38 | * @param MerchantDetails $merchantRepository |
| 39 | * @param WebhookRegister $register |
| 40 | * @param Webhooks $webhookRepository |
| 41 | */ |
| 42 | public function __construct( |
| 43 | MerchantDetails $merchantRepository, |
| 44 | WebhookRegister $register, |
| 45 | Webhooks $webhookRepository |
| 46 | ) { |
| 47 | $this->merchantRepository = $merchantRepository; |
| 48 | $this->webhookRegister = $register; |
| 49 | $this->webhookRepository = $webhookRepository; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Handles all webhook event requests. First it verifies that authenticity of the event with |
| 54 | * PayPal, and then it passes the event along to the appropriate listener to finish. |
| 55 | * |
| 56 | * @since 2.8.0 |
| 57 | * |
| 58 | * @throws Exception |
| 59 | */ |
| 60 | public function handle() |
| 61 | { |
| 62 | if ( ! $this->merchantRepository->accountIsConnected()) { |
| 63 | return; |
| 64 | } |
| 65 | |
| 66 | $event = json_decode(file_get_contents('php://input'), false); |
| 67 | |
| 68 | // If we receive an event that we're not expecting, just ignore it |
| 69 | if ( ! $this->webhookRegister->hasEventRegistered($event->event_type)) { |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | $payPalHeaders = PayPalWebhookHeaders::fromHeaders(getallheaders()); |
| 74 | |
| 75 | if (! $this->webhookRepository->verifyEventSignature($event, $payPalHeaders)) { |
| 76 | Log::http( |
| 77 | 'Failed webhook event verification', |
| 78 | [ |
| 79 | 'category' => 'PayPal Commerce Webhook', |
| 80 | 'merchant' => $this->merchantRepository->getDetails(), |
| 81 | 'event' => $event, |
| 82 | 'headers' => getallheaders(), |
| 83 | ] |
| 84 | ); |
| 85 | |
| 86 | throw new Exception('Failed event verification'); |
| 87 | } |
| 88 | |
| 89 | try { |
| 90 | $this->webhookRegister |
| 91 | ->getEventHandler($event->event_type) |
| 92 | ->processEvent($event); |
| 93 | } catch (Exception $exception) { |
| 94 | $eventType = empty($event->event_type) ? 'Unknown' : $event->event_type; |
| 95 | |
| 96 | Log::http( |
| 97 | "Error processing webhook: {$eventType}", |
| 98 | [ |
| 99 | 'category' => 'PayPal Commerce Webhook', |
| 100 | 'Webhook Event' => $event |
| 101 | ] |
| 102 | ); |
| 103 | throw $exception; |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 |