Files

41 lines
1.5 KiB
TypeScript

import { NextRequest } from "next/server";
import { verifyPaypalWebhook } from "@/lib/billing/paypal";
import { handlePaypalEvent } from "@/lib/billing/webhooks/paypal";
import { alreadyProcessed, logWebhook } from "@/lib/billing/webhook-log";
export const dynamic = "force-dynamic";
const SIG_HEADERS = [
"paypal-auth-algo",
"paypal-cert-url",
"paypal-transmission-id",
"paypal-transmission-sig",
"paypal-transmission-time",
];
export async function POST(req: NextRequest) {
const body = await req.text();
const headers: Record<string, string | undefined> = {};
for (const h of SIG_HEADERS) headers[h] = req.headers.get(h) ?? undefined;
const verified = await verifyPaypalWebhook(headers, body).catch(() => false);
if (!verified) {
console.error("[paypal webhook] verification failed");
return new Response("Invalid signature", { status: 400 });
}
const event = JSON.parse(body) as { id?: string; event_type?: string };
const eventId = event.id ?? `paypal_${Date.now()}`;
if (event.id && (await alreadyProcessed(eventId))) return new Response("ok (duplicate)");
try {
await handlePaypalEvent(event as Parameters<typeof handlePaypalEvent>[0]);
await logWebhook("paypal", eventId, event.event_type ?? "unknown", "processed");
} catch (err) {
console.error("[paypal webhook] handler error", err);
await logWebhook("paypal", eventId, event.event_type ?? "unknown", "failed", err instanceof Error ? err.message : String(err));
return new Response("Handler error", { status: 500 });
}
return new Response("ok");
}