96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
const request = require('request')
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const logger = require('./logger')
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const MessageOf = require('./message')
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const config = require('../config')
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const SERVICE_URL_LOOKUP = {
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'sessionserver.mojang.com': 'Sessions',
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'authserver.mojang.com': 'Auth',
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'textures.minecraft.net': 'Skins',
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'api.mojang.com': 'API'
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}
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const TITLE_BY_MOJANG_COLOR = {
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red: 'Offline',
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yellow: 'Unstable',
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green: 'Online'
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}
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class MojangUpdater {
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constructor (app) {
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this._app = app
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}
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schedule () {
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setInterval(this.updateServices, config.rates.updateMojangStatus)
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this.updateServices()
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}
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updateServices = () => {
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request({
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uri: 'https://status.mojang.com/check',
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method: 'GET',
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timeout: config.rates.mojangStatusTimeout
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}, (err, _, body) => {
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if (err) {
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logger.log('error', 'Failed to update Mojang services: %s', err.message)
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// Set all services to offline
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// This may be incorrect, but if mojang.com is offline, it would never otherwise be reflected
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Object.keys(SERVICE_URL_LOOKUP).forEach(url => {
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this.handleServiceUpdate(url, 'red')
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})
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this.pushUpdate()
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} else {
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try {
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JSON.parse(body).forEach(service => {
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// Each service is formatted as an object with the 0 key being the URL
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const url = Object.keys(service)[0]
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this.handleServiceUpdate(url, service[url])
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})
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} catch (err) {
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logger.log('error', 'Failed to parse Mojang response: %s', err.message)
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}
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this.pushUpdate()
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}
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})
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}
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pushUpdate () {
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// Only fire callback when previous state is modified
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if (this._hasUpdated) {
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this._hasUpdated = false
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this._app.server.broadcast(MessageOf('updateMojangServices', this._services))
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}
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}
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getLastUpdate () {
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return this._services
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}
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handleServiceUpdate (url, color) {
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const service = SERVICE_URL_LOOKUP[url]
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if (service) {
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const requiredTitle = TITLE_BY_MOJANG_COLOR[color]
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if (!this._services) {
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this._services = {}
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}
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if (this._services[service] !== requiredTitle) {
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this._services[service] = requiredTitle
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this._hasUpdated = true
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}
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}
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}
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}
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module.exports = MojangUpdater
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