Files
cloudron-box/src/network/network-interface.js
2026-04-01 09:49:34 +02:00

62 lines
2.1 KiB
JavaScript

import assert from 'node:assert';
import BoxError from '../boxerror.js';
import logger from '../logger.js';
import os from 'node:os';
import safe from '@cloudron/safetydance';
const { log } = logger('network/network-interface');
async function getIPv4(config) {
assert.strictEqual(typeof config, 'object');
const ifaces = os.networkInterfaces();
const iface = ifaces[config.ifname]; // array of addresses
if (!iface) throw new BoxError(BoxError.NETWORK_ERROR, `No interface named ${config.ifname}`);
const addresses = iface.filter(i => i.family === 'IPv4').map(i => i.address);
if (addresses.length === 0) throw new BoxError(BoxError.NETWORK_ERROR, `${config.ifname} does not have any IPv4 address`);
if (addresses.length > 1) log(`${config.ifname} has multiple ipv4 - ${JSON.stringify(addresses)}. choosing the first one.`);
return addresses[0];
}
async function getIPv6(config) {
assert.strictEqual(typeof config, 'object');
const ifaces = os.networkInterfaces();
const iface = ifaces[config.ifname]; // array of addresses
if (!iface) throw new BoxError(BoxError.NETWORK_ERROR, `No interface named ${config.ifname}`);
const addresses = iface.filter(i => i.family === 'IPv6').map(i => i.address);
if (addresses.length === 0) throw new BoxError(BoxError.NETWORK_ERROR, `${config.ifname} does not have any IPv6 address`);
if (addresses.length > 1) log(`${config.ifname} has multiple ipv6 - ${JSON.stringify(addresses)}. choosing the first one.`);
return addresses[0];
}
async function testIPv4Config(config) {
assert.strictEqual(typeof config, 'object');
if (typeof config.ifname !== 'string') return new BoxError(BoxError.BAD_FIELD, 'ifname is not a string');
const [error] = await safe(getIPv4(config));
return error || null;
}
async function testIPv6Config(config) {
assert.strictEqual(typeof config, 'object');
if (typeof config.ifname !== 'string') return new BoxError(BoxError.BAD_FIELD, 'ifname is not a string');
const [error] = await safe(getIPv6(config));
return error || null;
}
export default {
getIPv4,
getIPv6,
testIPv4Config,
testIPv6Config
};