feat(payment, payment-stripe): Add Stripe module provider (#6311)

packages/medusa/src/subscribers/payment-webhook.ts

@@ -0,0 +1,50 @@
+import { PaymentWebhookEvents } from "@medusajs/utils"
+
+import {
+  IEventBusService,
+  IPaymentModuleService,
+  ProviderWebhookPayload,
+  Subscriber,
+} from "@medusajs/types"
+import { EventBusService } from "../services"
+
+type SerializedBuffer = {
+  data: ArrayBuffer
+  type: "Buffer"
+}
+
+type InjectedDependencies = {
+  paymentModuleService: IPaymentModuleService
+  eventBusService: EventBusService
+}
+
+class PaymentWebhookSubscriber {
+  private readonly eventBusService_: IEventBusService
+  private readonly paymentModuleService_: IPaymentModuleService
+
+  constructor({ eventBusService, paymentModuleService }: InjectedDependencies) {
+    this.eventBusService_ = eventBusService
+    this.paymentModuleService_ = paymentModuleService
+
+    this.eventBusService_.subscribe(
+      PaymentWebhookEvents.WebhookReceived,
+      this.processEvent as Subscriber
+    )
+  }
+
+  /**
+   * TODO: consider moving this to a workflow
+   */
+  processEvent = async (data: ProviderWebhookPayload): Promise<void> => {
+    if (
+      (data.payload.rawData as unknown as SerializedBuffer).type === "Buffer"
+    ) {
+      data.payload.rawData = Buffer.from(
+        (data.payload.rawData as unknown as SerializedBuffer).data
+      )
+    }
+    await this.paymentModuleService_.processEvent(data)
+  }
+}
+
+export default PaymentWebhookSubscriber