Add provider webhook event store

api/webhooks/clerk.js

@@ -0,0 +1,56 @@
+import { Webhook } from "svix";
+import { recordProviderEvent } from "../_db.js";
+import { rawBody, parseJson, safeHeaders, sendMethodNotAllowed } from "../_webhook.js";
+
+function eventType(payload) {
+  return payload.type || "clerk.webhook";
+}
+
+function externalId(payload) {
+  return payload.id || payload.data?.id || payload.data?.user_id || null;
+}
+
+export default async function handler(req, res) {
+  res.setHeader("Cache-Control", "no-store");
+  if (req.method !== "POST") return sendMethodNotAllowed(res);
+
+  try {
+    const secret = process.env.CLERK_WEBHOOK_SIGNING_SECRET;
+    if (!secret) return res.status(503).json({ ok: false, error: "Clerk webhook secret is not configured" });
+
+    const body = await rawBody(req);
+    const headers = safeHeaders(req, ["svix-id", "svix-timestamp", "svix-signature"]);
+    let payload;
+
+    try {
+      payload = new Webhook(secret).verify(body, headers);
+    } catch {
+      return res.status(401).json({ ok: false, error: "Invalid Clerk webhook signature" });
+    }
+
+    const recorded = await recordProviderEvent({
+      provider: "clerk",
+      eventType: eventType(payload),
+      externalId: externalId(payload),
+      signatureValid: true,
+      payload,
+      headers,
+    });
+
+    return res.status(200).json({
+      ok: true,
+      recorded: Boolean(recorded),
+      provider: "clerk",
+      event_type: eventType(payload),
+      signature_valid: true,
+    });
+  } catch (err) {
+    const payload = parseJson(req.body);
+    return res.status(500).json({
+      ok: false,
+      error: err?.message || "Clerk webhook failed",
+      provider: "clerk",
+      event_type: eventType(payload),
+    });
+  }
+}