dynatrace-cordova-outsystems-plugin/node_modules/is-my-ip-valid/index.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

var reIpv4FirstPass = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/

var reSubnetString = /\/\d{1,3}(?=%|$)/
var reForwardSlash = /\//
var reZone = /%.*$/
var reBadCharacters = /([^0-9a-f:/%])/i
var reBadAddress = /([0-9a-f]{5,}|:{3,}|[^:]:$|^:[^:]|\/$)/i

function validate4 (input) {
  if (!(reIpv4FirstPass.test(input))) return false

  var parts = input.split('.')

  if (parts.length !== 4) return false

  if (parts[0][0] === '0' && parts[0].length > 1) return false
  if (parts[1][0] === '0' && parts[1].length > 1) return false
  if (parts[2][0] === '0' && parts[2].length > 1) return false
  if (parts[3][0] === '0' && parts[3].length > 1) return false

  var n0 = Number(parts[0])
  var n1 = Number(parts[1])
  var n2 = Number(parts[2])
  var n3 = Number(parts[3])

  return (n0 >= 0 && n0 < 256 && n1 >= 0 && n1 < 256 && n2 >= 0 && n2 < 256 && n3 >= 0 && n3 < 256)
}

function validate6 (input) {
  var withoutSubnet = input.replace(reSubnetString, '')
  var hasSubnet = (input.length !== withoutSubnet.length)

  // FIXME: this should probably be an option in the future
  if (hasSubnet) return false

  if (!hasSubnet) {
    if (reForwardSlash.test(input)) return false
  }

  var withoutZone = withoutSubnet.replace(reZone, '')
  var lastPartSeparator = withoutZone.lastIndexOf(':')

  if (lastPartSeparator === -1) return false

  var lastPart = withoutZone.substring(lastPartSeparator + 1)
  var hasV4Part = validate4(lastPart)
  var address = (hasV4Part ? withoutZone.substring(0, lastPartSeparator + 1) + '1234:5678' : withoutZone)

  if (reBadCharacters.test(address)) return false
  if (reBadAddress.test(address)) return false

  var halves = address.split('::')

  if (halves.length > 2) return false

  if (halves.length === 2) {
    var first = (halves[0] === '' ? [] : halves[0].split(':'))
    var last = (halves[1] === '' ? [] : halves[1].split(':'))
    var remainingLength = 8 - (first.length + last.length)

    if (remainingLength <= 0) return false
  } else {
    if (address.split(':').length !== 8) return false
  }

  return true
}

function validate (input) {
  return validate4(input) || validate6(input)
}

module.exports = function validator (options) {
  if (!options) options = {}

  if (options.version === 4) return validate4
  if (options.version === 6) return validate6
  if (options.version == null) return validate

  throw new Error('Unknown version: ' + options.version)
}

module.exports['__all_regexes__'] = [
  reIpv4FirstPass,
  reSubnetString,
  reForwardSlash,
  reZone,
  reBadCharacters,
  reBadAddress
]