71 lines
2 KiB
JavaScript
71 lines
2 KiB
JavaScript
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file at
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* https://github.com/facebookincubator/create-react-app/blob/master/LICENSE
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*/
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const url = require('url')
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const chalk = require('chalk')
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const address = require('address')
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const defaultGateway = require('default-gateway')
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module.exports = function prepareUrls (protocol, host, port, pathname = '/') {
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const formatUrl = hostname =>
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url.format({
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protocol,
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hostname,
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port,
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pathname
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})
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const prettyPrintUrl = hostname =>
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url.format({
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protocol,
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hostname,
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port: chalk.bold(port),
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pathname
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})
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const isUnspecifiedHost = host === '0.0.0.0' || host === '::'
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let prettyHost, lanUrlForConfig
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let lanUrlForTerminal = chalk.gray('unavailable')
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if (isUnspecifiedHost) {
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prettyHost = 'localhost'
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try {
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// This can only return an IPv4 address
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const result = defaultGateway.v4.sync()
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lanUrlForConfig = address.ip(result && result.interface)
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if (lanUrlForConfig) {
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// Check if the address is a private ip
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// https://en.wikipedia.org/wiki/Private_network#Private_IPv4_address_spaces
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if (
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/^10[.]|^172[.](1[6-9]|2[0-9]|3[0-1])[.]|^192[.]168[.]/.test(
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lanUrlForConfig
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)
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) {
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// Address is private, format it for later use
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lanUrlForTerminal = prettyPrintUrl(lanUrlForConfig)
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} else {
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// Address is not private, so we will discard it
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lanUrlForConfig = undefined
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}
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}
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} catch (_e) {
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// ignored
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}
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} else {
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prettyHost = host
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lanUrlForConfig = host
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lanUrlForTerminal = prettyPrintUrl(lanUrlForConfig)
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}
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const localUrlForTerminal = prettyPrintUrl(prettyHost)
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const localUrlForBrowser = formatUrl(prettyHost)
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return {
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lanUrlForConfig,
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lanUrlForTerminal,
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localUrlForTerminal,
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localUrlForBrowser
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}
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}
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