riju/backend/sandbox.js

40 lines
853 B
JavaScript

import { spawn } from "child_process";
import { promises as fs } from "fs";
import { v4 as getUUID } from "uuid";
import { borrowUser } from "./users.js";
import {
privilegedSetup,
privilegedSpawn,
privilegedTeardown,
run,
} from "./util.js";
function die(msg) {
console.error(msg);
process.exit(1);
}
function log(msg) {
console.log(msg);
}
async function main() {
const uuid = getUUID();
const { uid, returnUser } = await borrowUser(log);
await run(privilegedSetup({ uid, uuid }), log);
const args = privilegedSpawn({ uid, uuid }, ["bash"]);
const proc = spawn(args[0], args.slice(1), {
stdio: "inherit",
});
await new Promise((resolve, reject) => {
proc.on("error", reject);
proc.on("close", resolve);
});
await run(privilegedTeardown({ uid, uuid }), log);
await returnUser();
}
main().catch(die);