local-lan-ipv4-address
Version:
local lan ipv4 address 本地局域网 ipv4 地址
108 lines (104 loc) • 3.22 kB
JavaScript
const os = require('os')
/*
* os.networkInterfaces()
* 本地服务器 windows 7
* { WLAN:
* [ { address: 'fe80::c8d2:16fb:65bd:8b7e',
* netmask: 'ffff:ffff:ffff:ffff::',
* family: 'IPv6',
* mac: 'a4:34:d9:48:5a:e4',
* scopeid: 12,
* internal: false,
* cidr: 'fe80::c8d2:16fb:65bd:8b7e/64' },
* { address: '192.168.1.3',
* netmask: '255.255.255.0',
* family: 'IPv4',
* mac: 'a4:34:d9:48:5a:e4',
* internal: false,
* cidr: '192.168.1.3/24' } ],
* 'Loopback Pseudo-Interface 1':
* [ { address: '::1',
* netmask: 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff',
* family: 'IPv6',
* mac: '00:00:00:00:00:00',
* scopeid: 0,
* internal: true,
* cidr: '::1/128' },
* { address: '127.0.0.1',
* netmask: '255.0.0.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: true,
* cidr: '127.0.0.1/8' } ],
* '本地连接* 12':
* [ { address: '2001:0:9d38:6ab8:286c:11a7:3f57:fefc',
* netmask: 'ffff:ffff:ffff:ffff::',
* family: 'IPv6',
* mac: '00:00:00:00:00:00',
* scopeid: 0,
* internal: false,
* cidr: '2001:0:9d38:6ab8:286c:11a7:3f57:fefc/64' },
* { address: 'fe80::286c:11a7:3f57:fefc',
* netmask: 'ffff:ffff:ffff:ffff::',
* family: 'IPv6',
* mac: '00:00:00:00:00:00',
* scopeid: 17,
* internal: false,
* cidr: 'fe80::286c:11a7:3f57:fefc/64' } ] }
*
* 测试服务器
* { lo:
* [ { address: '127.0.0.1',
* netmask: '255.0.0.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: true } ],
* eth0:
* [ { address: '172.17.160.219',
* netmask: '255.255.240.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: false } ] }
*
* 云负载均衡服务器
* { lo:
* [ { address: '127.0.0.1',
* netmask: '255.0.0.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: true } ],
* eth0:
* [ { address: '10.253.115.220',
* netmask: '255.255.252.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: false } ],
* eth1:
* [ { address: '116.62.74.16',
* netmask: '255.255.252.0',
* family: 'IPv4',
* mac: '00:00:00:00:00:00',
* internal: false } ] }
*/
const regex = /^(?:192\.168|10|172\.(?:1[6-9]|2[0-9]|3[01]))\./
/**
* 在IP地址3种主要类型里，各保留了3个区域作为私有地址，其地址范围如下：
* A类地址：10.0.0.0～10.255.255.255
* B类地址：172.16.0.0～172.31.255.255
* C类地址：192.168.0.0～192.168.255.255
* 这些IP是私有地址，是在内部网的地址，不是外部网的地址
* @returns {String}
*/
module.exports = function localLANIPv4Address () {
let address = '127.0.0.1'
const eths = os.networkInterfaces()
Object.values(eths).some(networks => {
return networks.some(item => {
if (!item.internal && item.family === 'IPv4' && regex.test(item.address)) {
address = item.address
return true
}
})
})
return address
}