@homebridge/camera-utils/dist/default-ip.js

Utilities to simplify homebridge camera plugin development

import os from 'node:os';
import { networkInterfaceDefault } from 'systeminformation';
// NOTE: This is used to get the default ip address seen from outside the device.
// This _was_ needed to set the `address` field for hap camera streams, but the address is automatically determined after homebridge 1.1.3
// Keeping this here for backwards compatibility for now.  All camera plugins will eventually drop support for <1.1.3 and this can be removed
export async function getDefaultIpAddress(preferIpv6 = false) {
    const interfaces = os.networkInterfaces();
    const defaultInterfaceName = await networkInterfaceDefault();
    const defaultInterface = interfaces[defaultInterfaceName];
    const externalInfo = defaultInterface?.filter(info => !info.internal);
    const preferredFamily = preferIpv6 ? 'IPv6' : 'IPv4';
    const addressInfo = externalInfo?.find(info => info.family === preferredFamily)
        || externalInfo?.[0];
    if (!addressInfo) {
        throw new Error('Unable to get default network address');
    }
    return addressInfo.address;
}
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