homeio

1import { execFileSync } from "node:child_process";
2import { chmod, chown, mkdir, unlink } from "node:fs/promises";
3import { dirname } from "node:path";
4
5function resolveGroupId(groupName) {
6  try {
7    const raw = execFileSync("getent", ["group", groupName], {
8      encoding: "utf8",
9    }).trim();
10    const parts = raw.split(":");
11    const gid = Number.parseInt(parts[2] ?? "", 10);
12    return Number.isFinite(gid) ? gid : null;
13  } catch {
14    return null;
15  }
16}
17
18async function ensureSocketDirectory(socketPath, groupName) {
19  const directory = dirname(socketPath);
20  await mkdir(directory, {
21    recursive: true,
22  });
23
24  const gid = resolveGroupId(groupName);
25  if (gid !== null) {
26    await chown(directory, 0, gid).catch(() => {});
27  }
28  await chmod(directory, 0o770).catch(() => {});
29}
30
31async function ensureSocketPermissions(socketPath, groupName) {
32  const gid = resolveGroupId(groupName);
33  if (gid !== null) {
34    await chown(socketPath, 0, gid).catch(() => {});
35  }
36  await chmod(socketPath, 0o660).catch(() => {});
37}
38
39async function safeUnlink(socketPath) {
40  await unlink(socketPath).catch(() => {});
41}
42
43export { ensureSocketDirectory, ensureSocketPermissions, safeUnlink };
44