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index.js
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index.js
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/**
* MIT License
*
* Copyright (c) 2020-2023 June07
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
'use strict'
const { REDIRECT_TUNNEL_SERVICE = 'ngrok' } = process.env
const dnsProvider = require('./cloudflare'),
redirectService = require('./ngrok-dns-service'),
{ EOL } = require('os');
let logEventHandler
if (REDIRECT_TUNNEL_SERVICE === 'ngrok') {
logEventHandler = event => {
if (event.match(/obj=tunnels/)) {
let logLine = event.split(EOL).find(line => line.match(/https?/))
if (!logLine || !logLine.match(/url=https?:\/\/(.*)/)) return
const newTunnelURL = logLine.match(/url=(https?:\/\/(.*))/);
if (redirectService) redirectService.update(newTunnelURL[1])
if (dnsProvider) dnsProvider.dns_records.update({ type: 'TXT', content: newTunnelURL[1] })
}
return event
}
} else if (REDIRECT_TUNNEL_SERVICE === 'localtunnel') {
logEventHandler = tunnelUrl => {
if (redirectService) redirectService.update(tunnelUrl)
if (dnsProvider) dnsProvider.dns_records.update({ type: 'TXT', content: tunnelUrl })
}
}
module.exports = logEventHandler