Harden authentication, tenant isolation and security boundaries

scripts/cleanup-attachments.ts

@@ -0,0 +1,21 @@
+import { readdir, stat, rm } from "node:fs/promises";
+import { PrismaClient } from "@prisma/client";
+import { attachmentDirectory, attachmentPath } from "../src/lib/attachments";
+
+// Dry run by default. A 24-hour grace period protects concurrent uploads.
+const prisma = new PrismaClient();
+async function main() {
+  const remove = process.argv.includes("--delete");
+  let candidates = 0;
+  for (const entry of await readdir(attachmentDirectory(), { withFileTypes: true })) {
+    if (!entry.isFile()) continue;
+    let file: string;
+    try { file = attachmentPath(entry.name); } catch { continue; }
+    if ((await stat(file)).mtimeMs > Date.now() - 24 * 60 * 60_000) continue;
+    if (await prisma.attachment.findUnique({ where: { id: entry.name }, select: { id: true } })) continue;
+    candidates++;
+    if (remove) await rm(file, { force: true });
+  }
+  console.log(`${candidates} orphan attachments ${remove ? "removed" : "found (dry run)"}`);
+}
+main().finally(() => prisma.$disconnect()).catch(error => { console.error(error); process.exitCode = 1; });