rename base.nettool to base.tool; add tool4net.js and tool4log.js

This commit is contained in:
陆柯 2022-03-11 10:50:16 +08:00
parent 7aa865bd25
commit cfb66c3eec
4 changed files with 83 additions and 66 deletions

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@ -1,63 +1,7 @@
const os = require('os')
const dns = require('dns')
const util = require('util')
const tool4net = require('./tool4net.js')
const tool4log = require('./tool4log')
module.exports = {
/*----------------------------------------------------------------
* Network tools
----------------------------------------------------------------*/
async dn2ip(host) {
// domain name 2 ip
if (typeof host === 'string' && host) {
var ip = await util
.promisify(dns.resolve)(host, 'A')
.catch(function (err) {
mylog.warn('WARNING : host cannot resolve to ip: ' + host)
return null
})
if (ip && /^\d+\.\d+\.\d+\.\d+$/.test(ip[0])) {
return ip[0]
}
}
return null
},
isPrivateIp(addr) {
return (
/^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?192\.168\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?172\.(1[6-9]|2\d|30|31)\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^f[cd][0-9a-f]{2}:/i.test(addr) ||
/^fe80:/i.test(addr) ||
/^::1$/.test(addr) ||
/^::$/.test(addr)
)
},
getMyIp() {
var publicIp = null
var privateIp = null
var self = this
try {
var ifaces = os.networkInterfaces()
Object.keys(ifaces).forEach(function (ifname) {
ifaces[ifname].forEach(function (iface) {
if ('IPv4' === iface.family && iface.internal === false) {
// console.log('ip='+iface.address)
if (self.isPrivateIp(iface.address)) {
privateIp = iface.address
// console.log('privateIp='+privateIp)
} else {
publicIp = iface.address
// console.log('publicIp='+publicIp)
}
}
})
})
} catch (e) {
console.log('ERROR in getMyIP(): ' + e.message)
}
return publicIp || privateIp
},
tool4net,
tool4log
}

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@ -1,5 +1,5 @@
{
"name": "base.nettool",
"name": "base.tool",
"version": "1.0.0",
"description": "",
"main": "index.js",
@ -8,8 +8,11 @@
},
"repository": {
"type": "git",
"url": "https://git.faronear.org/npm/base.nettool"
"url": "https://git.faronear.org/npm/base.tool"
},
"author": "",
"license": "ISC"
"license": "ISC",
"dependencies": {
"colors": "^1.4.0"
}
}

7
tool4log.js Normal file
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@ -0,0 +1,7 @@
const colors = require('colors')
module.exports = {
colog(...args) {
console.log(colors.green({time: new Date().toJSON()}), ...args)
}
}

63
tool4net.js Normal file
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@ -0,0 +1,63 @@
const os = require('os')
const dns = require('dns')
const util = require('util')
module.exports = {
/*----------------------------------------------------------------
* Network tools
----------------------------------------------------------------*/
async dn2ip(host) {
// domain name 2 ip
if (typeof host === 'string' && host) {
var ip = await util
.promisify(dns.resolve)(host, 'A')
.catch(function (err) {
mylog.warn('WARNING : host cannot resolve to ip: ' + host)
return null
})
if (ip && /^\d+\.\d+\.\d+\.\d+$/.test(ip[0])) {
return ip[0]
}
}
return null
},
isPrivateIp(addr) {
return (
/^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?192\.168\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?172\.(1[6-9]|2\d|30|31)\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
/^f[cd][0-9a-f]{2}:/i.test(addr) ||
/^fe80:/i.test(addr) ||
/^::1$/.test(addr) ||
/^::$/.test(addr)
)
},
getMyIp() {
var publicIp = null
var privateIp = null
var self = this
try {
var ifaces = os.networkInterfaces()
Object.keys(ifaces).forEach(function (ifname) {
ifaces[ifname].forEach(function (iface) {
if ('IPv4' === iface.family && iface.internal === false) {
// console.log('ip='+iface.address)
if (self.isPrivateIp(iface.address)) {
privateIp = iface.address
// console.log('privateIp='+privateIp)
} else {
publicIp = iface.address
// console.log('publicIp='+publicIp)
}
}
})
})
} catch (e) {
console.log('ERROR in getMyIP(): ' + e.message)
}
return publicIp || privateIp
},
}