Add Vercel serverless function for Roblox callback and webhook ingestion

cgen-2185388e5dde47538a38ce2dcea36327

api/roblox-callback.ts

@@ -0,0 +1,47 @@
+import type { VercelRequest, VercelResponse } from "@vercel/node";
+import { getAdminClient } from "./api/_supabase";
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+  if (req.method === "GET") {
+    return res.status(200).json({ ok: true });
+  }
+
+  if (req.method !== "POST") {
+    res.setHeader("Allow", "GET, POST");
+    return res.status(405).json({ error: "Method not allowed" });
+  }
+
+  try {
+    const shared =
+      process.env.ROBLOX_SHARED_SECRET || process.env.ROBLOX_WEBHOOK_SECRET || "";
+    const sig =
+      (req.headers["x-shared-secret"] as string) ||
+      (req.headers["x-roblox-signature"] as string) ||
+      "";
+
+    if (shared && sig !== shared) {
+      return res.status(401).json({ error: "unauthorized" });
+    }
+
+    const payload: Record<string, any> = {
+      ...(typeof req.body === "object" && req.body ? req.body : {}),
+      ip: ((req.headers["x-forwarded-for"] as string) || "").split(",")[0] || null,
+      ua: (req.headers["user-agent"] as string) || null,
+      received_at: new Date().toISOString(),
+    };
+
+    try {
+      const admin = getAdminClient();
+      await admin.from("roblox_events").insert({
+        event_type: (payload as any).event || null,
+        payload,
+      } as any);
+    } catch (e) {
+      // ignore persistence errors to avoid 5xx back to Roblox
+    }
+
+    return res.status(200).json({ ok: true });
+  } catch (e: any) {
+    return res.status(500).json({ error: e?.message || String(e) });
+  }
+}