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/**
* Fetch the raw Hypixel API
*/
import fetch from 'node-fetch'
import * as nodeFetch from 'node-fetch'
import { jsonToQuery, shuffle } from './util.js'
import { Agent } from 'https'
if (!process.env.hypixel_keys)
// if there's no hypixel keys in env, run dotenv
(await import('dotenv')).config()
// We need to create an agent to prevent memory leaks and to only do dns lookups once
const httpsAgent = new Agent({
keepAlive: true
})
/** This array should only ever contain one item because using multiple hypixel api keys isn't allowed :) */
const apiKeys = process.env?.hypixel_keys?.split(' ') ?? []
interface KeyUsage {
remaining: number
limit: number
reset: number
}
const apiKeyUsage: { [ key: string ]: KeyUsage } = {}
// the usage amount the api key was on right before it reset
const apiKeyMaxUsage: { [ key: string ]: number } = {}
const baseHypixelAPI = 'https://api.hypixel.net'
/** Choose the best current API key */
export function chooseApiKey(): string | null {
// find the api key with the lowest amount of uses
let bestKeyUsage: KeyUsage | null = null
let bestKey: string | null = null
// we limit to 5 api keys because otherwise they get automatically banned
for (let key of shuffle(apiKeys.slice(0, 5))) {
const keyUsage = apiKeyUsage[key]
// if the key has never been used before, use it
if (!keyUsage) return key
// if the key has reset since the last use, set the remaining count to the default
if (Date.now() > keyUsage.reset) {
apiKeyMaxUsage[key] = keyUsage.limit - keyUsage.remaining
keyUsage.remaining = keyUsage.limit
}
// if this key has more uses remaining than the current known best one, save it
if (bestKeyUsage === null || keyUsage.remaining > bestKeyUsage.remaining) {
bestKeyUsage = keyUsage
bestKey = key
}
}
return bestKey
}
export function getKeyUsage() {
let keyLimit = 0
let keyUsage = 0
for (let key of Object.keys(apiKeyMaxUsage)) {
// if the key isn't in apiKeyUsage, continue
if (!apiKeyUsage[key]) continue
keyUsage += apiKeyMaxUsage[key]
keyLimit += apiKeyUsage[key].limit
}
return {
limit: keyLimit,
usage: keyUsage
}
}
export interface HypixelResponse {
[key: string]: any | {
success: boolean
throttled?: boolean
}
}
export interface HypixelPlayerStatsSkyBlockProfiles {
[ uuid: string ]: {
profile_id: string
cute_name: string
}
}
interface HypixelPlayerStatsSkyBlock {
profiles: HypixelPlayerStatsSkyBlockProfiles
}
export interface HypixelPlayerSocialMedia {
YOUTUBE?: string
prompt: boolean
links: {
DISCORD?: string
HYPIXEL?: string
}
}
export interface HypixelPlayer {
_id: string
achievementsOneTime: string[]
displayname: string
firstLogin: number,
lastLogin: number,
lastLogout: number
knownAliases: string[],
knownAliasesLower: string[]
networkExp: number
playername: string
stats: {
SkyBlock: HypixelPlayerStatsSkyBlock
[ name: string ]: any
},
timePlaying: number,
uuid: string,
achievements: { [ name: string ]: number },
petConsumables: { [ name: string ]: number },
vanityMeta: {
packages: string[]
},
language: string,
userLanguage?: string
packageRank?: string
newPackageRank?: string
rankPlusColor?: string
monthlyPackageRank?: string
rank?: string
prefix?: string
claimed_potato_talisman?: number
skyblock_free_cookie?: number
socialMedia?: HypixelPlayerSocialMedia
}
/** Send an HTTP request to the Hypixel API */
export let sendApiRequest = async function sendApiRequest({ path, key, args }): Promise<HypixelResponse> {
// Send a raw http request to api.hypixel.net, and return the parsed json
if (key)
// If there's an api key, add it to the arguments
args.key = key
// Construct a url from the base api url, path, and arguments
const fetchUrl = baseHypixelAPI + '/' + path + '?' + jsonToQuery(args)
let fetchResponse: nodeFetch.Response
let fetchJsonParsed: any
try {
fetchResponse = await fetch(
fetchUrl,
{ agent: () => httpsAgent }
)
fetchJsonParsed = await fetchResponse.json()
} catch {
// if there's an error, wait a second and try again
await new Promise((resolve) => setTimeout(resolve, 1000))
return await sendApiRequest({ path, key, args })
}
// bruh
if (fetchJsonParsed.cause === 'This endpoint is currently disabled') {
await new Promise((resolve) => setTimeout(resolve, 30000))
return await sendApiRequest({ path, key, args })
}
// if the cause is "Invalid API key", remove the key from the list of keys and try again
if (fetchJsonParsed.cause === 'Invalid API key') {
if (apiKeys.includes(key)) {
apiKeys.splice(apiKeys.indexOf(key), 1)
console.log(`${key} is invalid, removing it from the list of keys`)
}
return await sendApiRequest({ path, key: chooseApiKey(), args })
}
if (fetchResponse.headers.get('ratelimit-limit')) {
// remember how many uses it has
apiKeyUsage[key] = {
remaining: parseInt(fetchResponse.headers.get('ratelimit-remaining') ?? '0'),
limit: parseInt(fetchResponse.headers.get('ratelimit-limit') ?? '0'),
reset: Date.now() + parseInt(fetchResponse.headers.get('ratelimit-reset') ?? '0') * 1000 + 1000,
}
let usage = apiKeyUsage[key].limit - apiKeyUsage[key].remaining
// if it's not in apiKeyMaxUsage or this usage is higher, update it
if (!apiKeyMaxUsage[key] || (usage > apiKeyMaxUsage[key]))
apiKeyMaxUsage[key] = usage
}
if (fetchJsonParsed.throttle) {
if (apiKeyUsage[key])
apiKeyUsage[key].remaining = 0
// if it's throttled, wait 10 seconds and try again
await new Promise((resolve) => setTimeout(resolve, 10000))
return await sendApiRequest({ path, key, args })
}
return fetchJsonParsed
}
// this is necessary for mocking in the tests because es6
export function mockSendApiRequest($value) { sendApiRequest = $value }
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