Added user authentication.

pages/api/routes/collections/getCollections.ts

@@ -0,0 +1,26 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+import { getServerSession } from "next-auth/next";
+import { authOptions } from "pages/api/auth/[...nextauth]";
+
+type Data = {
+  message: string;
+  data?: object;
+};
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<Data>
+) {
+  const session = await getServerSession(req, res, authOptions);
+
+  if (!session) {
+    res.status(401).json({ message: "You must be logged in." });
+    return;
+  }
+
+  console.log(session?.user?.email);
+
+  return res.json({
+    message: "Success",
+  });
+}