100 lines
2.3 KiB
TypeScript
100 lines
2.3 KiB
TypeScript
import { spawn, SpawnOptions } from "child_process";
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import * as process from "process";
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import * as appRoot from "app-root-path";
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export interface Options extends SpawnOptions {
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input?: string;
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check?: boolean;
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}
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export interface Context {
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uid: number;
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uuid: string;
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}
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export const rijuSystemPrivileged = appRoot.resolve(
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"system/out/riju-system-privileged"
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);
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export function getEnv(uuid: string) {
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const cwd = `/tmp/riju/${uuid}`;
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const path = [
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`${cwd}/.gem/ruby/2.7.0/bin`,
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`${cwd}/.local/bin`,
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`${cwd}/node_modules/.bin`,
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`/usr/local/sbin`,
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`/usr/local/bin`,
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`/usr/sbin`,
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`/usr/bin`,
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`/bin`,
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];
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return {
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HOME: cwd,
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HOSTNAME: "riju",
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LANG: process.env.LANG || "",
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LC_ALL: process.env.LC_ALL || "",
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PATH: path.join(":"),
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PWD: cwd,
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SHELL: "/usr/bin/bash",
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TERM: "xterm-color",
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};
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}
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export async function run(
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args: string[],
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log: (msg: string) => void,
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options?: Options
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) {
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options = options || {};
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const input = options.input;
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const check = options.check === undefined ? true : options.check;
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delete options.input;
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delete options.check;
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const proc = spawn(args[0], args.slice(1), options);
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if (typeof input === "string") {
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proc.stdin!.end(input);
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}
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let output = "";
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proc.stdout!.on("data", (data: Buffer) => {
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output += `${data}`;
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});
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proc.stderr!.on("data", (data: Buffer) => {
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output += `${data}`;
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});
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await new Promise((resolve, reject) => {
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proc.on("error", reject);
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proc.on("close", (code: number) => {
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output = output.trim();
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if (output) {
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log(`Output from ${args[0]}:\n` + output);
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}
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if (code === 0 || !check) {
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resolve();
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} else {
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reject(`command ${args[0]} failed with error code ${code}`);
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}
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});
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});
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}
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export function privilegedUseradd(uid: number) {
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return [rijuSystemPrivileged, "useradd", `${uid}`];
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}
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export function privilegedSetup({ uid, uuid }: Context) {
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return [rijuSystemPrivileged, "setup", `${uid}`, uuid];
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}
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export function privilegedSpawn({ uid, uuid }: Context, args: string[]) {
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return [rijuSystemPrivileged, "spawn", `${uid}`, uuid].concat(args);
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}
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export function privilegedTeardown({ uid, uuid }: Context) {
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return [rijuSystemPrivileged, "teardown", `${uid}`, uuid];
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}
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export function bash(cmdline: string) {
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return ["bash", "-c", cmdline];
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}
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