/api/file/upload, /api/file/[id], /api/file/[id]/download Endpoint 구현

src/routes/api/file/[id]/+server.ts

@@ -0,0 +1,33 @@
+import { error, json } from "@sveltejs/kit";
+import { z } from "zod";
+import { authorize } from "$lib/server/modules/auth";
+import { fileInfoResponse, type FileInfoResponse } from "$lib/server/schemas";
+import { getFileInformation } from "$lib/server/services/file";
+import type { RequestHandler } from "./$types";
+
+export const GET: RequestHandler = async ({ cookies, params }) => {
+  const { userId } = await authorize(cookies, "activeClient");
+
+  const zodRes = z
+    .object({
+      id: z.coerce.number().int().positive(),
+    })
+    .safeParse(params);
+  if (!zodRes.success) error(400, "Invalid path parameters");
+  const { id } = zodRes.data;
+
+  const { createdAt, mekVersion, encDek, encContentIv, encName } = await getFileInformation(
+    userId,
+    id,
+  );
+  return json(
+    fileInfoResponse.parse({
+      createdAt,
+      mekVersion,
+      dek: encDek,
+      contentIv: encContentIv,
+      name: encName.ciphertext,
+      nameIv: encName.iv,
+    } satisfies FileInfoResponse),
+  );
+};