refactored/cleaned up API + added support for renaming tags

pages/api/v1/archives/[...params].ts

@@ -0,0 +1,40 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+import { getServerSession } from "next-auth/next";
+import { authOptions } from "@/pages/api/v1/auth/[...nextauth]";
+import getPermission from "@/lib/api/getPermission";
+import readFile from "@/lib/api/storage/readFile";
+
+export default async function Index(req: NextApiRequest, res: NextApiResponse) {
+  if (!req.query.params)
+    return res.status(401).json({ response: "Invalid parameters." });
+
+  const collectionId = req.query.params[0];
+  const linkId = req.query.params[1];
+
+  const session = await getServerSession(req, res, authOptions);
+
+  if (!session?.user?.username)
+    return res.status(401).json({ response: "You must be logged in." });
+  else if (session?.user?.isSubscriber === false)
+    res.status(401).json({
+      response:
+        "You are not a subscriber, feel free to reach out to us at support@linkwarden.app in case of any issues.",
+    });
+
+  const collectionIsAccessible = await getPermission({
+    userId: session.user.id,
+    collectionId: Number(collectionId),
+  });
+
+  if (!collectionIsAccessible)
+    return res
+      .status(401)
+      .json({ response: "You don't have access to this collection." });
+
+  const { file, contentType, status } = await readFile(
+    `archives/${collectionId}/${linkId}`
+  );
+  res.setHeader("Content-Type", contentType).status(status as number);
+
+  return res.send(file);
+}