HeliosLauncher/app/assets/js/serverstatus.js

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//const net = require('net)
const fetch = require('node-fetch')
const loggerLanding = LoggerUtil('%c[Landing]', 'color: #000668; font-weight: bold')
/**
* Retrieves the status of a minecraft server.
*
* @param {string} address The server address.
* @param {number} port Optional. The port of the server. Defaults to 25565.
* @returns {Promise.<Object>} A promise which resolves to an object containing
* status information.
*/
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exports.getStatus = async function (address, port = 25565) {
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if (port == null || port == '') {
port = 25565
}
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if (typeof port === 'string') {
port = parseInt(port)
}
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let online,
version,
motd,
onlinePlayers,
maxPlayers;
let data;
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try {
var response = await fetch(`https://api.mcsrvstat.us/2/${address}`);
data = await response.json();
online = data.online;
version = data.version
motd = data.motd.clean
onlinePlayers = data.players.online;
maxPlayers = data.players.max
} catch (err) {
loggerLanding.warn('Unable to refresh server status, assuming offline.')
loggerLanding.debug(err)
}
return {
online,
version,
motd,
onlinePlayers,
maxPlayers
};
/*return await new Promise((resolve, reject) => {
Commented out for documentation
const socket = net.connect(port, address, () => {
let buff = Buffer.from([0xFE, 0x01])
socket.write(buff)
})
socket.setTimeout(2500, () => {
socket.end()
reject({
code: 'ETIMEDOUT',
errno: 'ETIMEDOUT',
address,
port
})
})
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Commented out for documentation
socket.on('data', (data) => {
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if (data != null && data != '') {
let server_info = data.toString().split('\x00\x00\x00')
const NUM_FIELDS = 6
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if (server_info != null && server_info.length >= NUM_FIELDS) {
resolve({
online: true,
version: server_info[2].replace(/\u0000/g, ''),
motd: server_info[3].replace(/\u0000/g, ''),
onlinePlayers: server_info[4].replace(/\u0000/g, ''),
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maxPlayers: server_info[5].replace(/\u0000/g, '')
})
} else {
resolve({
online: false
})
}
}
socket.end()
})
socket.on('error', (err) => {
socket.destroy()
reject(err)
// ENOTFOUND = Unable to resolve.
// ECONNREFUSED = Unable to connect to port.
})
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})*/
}