2022-12-29 17:12:44 -08:00
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/*
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i really should split this up into different modules
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*/
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2022-09-26 22:09:38 -07:00
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import bodyParser from "body-parser"
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2022-09-27 16:39:25 -07:00
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import multer, {memoryStorage} from "multer"
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2022-12-29 13:03:33 -08:00
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import Discord, { IntentsBitField, Client } from "discord.js"
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2022-09-26 22:09:38 -07:00
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import express from "express"
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import fs from "fs"
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2022-12-26 20:59:16 -08:00
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import axios, { AxiosResponse } from "axios"
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2022-09-26 22:09:38 -07:00
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2023-01-20 13:23:45 -08:00
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import Files from "./lib/files"
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require('dotenv').config()
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2023-01-20 13:23:45 -08:00
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2022-12-27 11:52:11 -08:00
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let pkg = require(`${process.cwd()}/package.json`)
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2022-09-26 22:09:38 -07:00
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let app = express()
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2022-09-27 16:39:25 -07:00
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const multerSetup = multer({storage:memoryStorage()})
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2022-12-27 15:09:47 -08:00
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let config = require(`${process.cwd()}/config.json`)
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app.use("/static",express.static("assets"))
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2022-12-26 20:59:16 -08:00
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app.use(bodyParser.text({limit:(config.maxDiscordFileSize*config.maxDiscordFiles)+1048576,type:["application/json","text/plain"]}))
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2022-09-26 22:09:38 -07:00
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let files:{[key:string]:{filename:string,mime:string,messageids:string[]}} = {}
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// funcs
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function ThrowError(response:express.Response,code:number,errorMessage:string) {
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fs.readFile(__dirname+"/../pages/error.html",(err,buf) => {
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if (err) {response.sendStatus(500);console.log(err);return}
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response.status(code)
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2022-12-27 11:52:11 -08:00
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response.send(buf.toString().replace(/\$ErrorCode/g,code.toString()).replace(/\$ErrorMessage/g,errorMessage).replace(/\$Version/g,pkg.version))
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2022-09-26 22:09:38 -07:00
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})
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}
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// init data
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if (!fs.existsSync(__dirname+"/../.data/")) fs.mkdirSync(__dirname+"/../.data/")
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fs.readFile(__dirname+"/../.data/files.json",(err,buf) => {
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if (err) {console.log(err);return}
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files = JSON.parse(buf.toString() || "{}")
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})
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// discord
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let client = new Client({intents:[
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IntentsBitField.Flags.GuildMessages,
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IntentsBitField.Flags.MessageContent
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],rest:{timeout:config.requestTimeout}})
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2022-09-26 22:09:38 -07:00
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let uploadChannel:Discord.TextBasedChannel
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app.get("/", function(req,res) {
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fs.readFile(__dirname+"/../pages/base.html",(err,buf) => {
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if (err) {res.sendStatus(500);console.log(err);return}
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res.send(
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buf.toString()
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.replace("$MaxInstanceFilesize",`${(config.maxDiscordFileSize*config.maxDiscordFiles)/1048576}MB`)
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.replace(/\$Version/g,pkg.version)
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.replace(/\$Handler/g,"upload_file")
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.replace(/\$UploadButtonText/g,"Upload file")
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.replace(/\$otherPath/g,"/clone")
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.replace(/\$otherText/g,"clone from url...")
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.replace(/\$FileNum/g,Object.keys(files).length.toString())
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)
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})
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})
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app.get("/clone", function(req,res) {
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fs.readFile(__dirname+"/../pages/base.html",(err,buf) => {
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if (err) {res.sendStatus(500);console.log(err);return}
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res.send(
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buf.toString()
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.replace("$MaxInstanceFilesize",`${(config.maxDiscordFileSize*config.maxDiscordFiles)/1048576}MB`)
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.replace(/\$Version/g,pkg.version)
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.replace(/\$Handler/g,"clone_file")
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.replace(/\$UploadButtonText/g,"Input a URL")
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.replace(/\$otherPath/g,"/")
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.replace(/\$otherText/g,"upload file...")
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.replace(/\$FileNum/g,Object.keys(files).length.toString())
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)
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})
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})
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2022-12-26 20:28:33 -08:00
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app.post("/upload",multerSetup.single('file'),async (req,res) => {
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if (req.file) {
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2022-12-29 17:12:44 -08:00
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try {
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uploadFile({name:req.file.originalname,mime:req.file.mimetype,uploadId:req.header("monofile-upload-id")},req.file.buffer)
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.then((uID) => res.send(uID))
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.catch((stat) => {res.status(stat.status);res.send(`[err] ${stat.message}`)})
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} catch {
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res.status(400)
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res.send("[err] bad request")
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}
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} else {
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res.status(400)
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res.send("[err] bad request")
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}
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})
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app.post("/clone",(req,res) => {
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try {
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let j = JSON.parse(req.body)
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if (!j.url) {
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res.status(400)
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res.send("[err] invalid url")
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}
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axios.get(j.url,{responseType:"arraybuffer"}).then((data:AxiosResponse) => {
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uploadFile({name:req.body.split("/")[req.body.split("/").length-1] || "generic",mime:data.headers["content-type"],uploadId:j.uploadId},Buffer.from(data.data))
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.then((uID) => res.send(uID))
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.catch((stat) => {res.status(stat.status);res.send(`[err] ${stat.message}`)})
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}).catch((err) => {
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res.status(400)
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res.send(`[err] failed to fetch data`)
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})
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} catch {
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res.status(500)
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res.send("[err] an error occured")
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}
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})
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2022-09-26 22:09:38 -07:00
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app.get("/download/:fileId",(req,res) => {
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if (files[req.params.fileId]) {
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let file = files[req.params.fileId]
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fs.readFile(__dirname+"/../pages/download.html",(err,buf) => {
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if (err) {res.sendStatus(500);console.log(err);return}
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res.send(buf.toString().replace(/\$FileName/g,file.filename).replace(/\$FileId/g,req.params.fileId).replace(/\$Version/g,pkg.version))
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})
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} else {
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ThrowError(res,404,"File not found.")
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}
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})
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app.get("/file/:fileId",async (req,res) => {
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if (files[req.params.fileId]) {
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let file = files[req.params.fileId]
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let bufToCombine = []
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for (let i = 0; i < file.messageids.length; i++) {
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let msg = await uploadChannel.messages.fetch(file.messageids[i]).catch(() => {return null})
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if (msg?.attachments) {
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let attach = Array.from(msg.attachments.values())
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for (let i = 0; i < attach.length; i++) {
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2022-09-27 22:56:24 -07:00
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let d = await axios.get(attach[i].url,{responseType:"arraybuffer"}).catch((e:Error) => {console.error(e)})
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if (d) {
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bufToCombine.push(d.data)
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} else {
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res.sendStatus(500);return
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}
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}
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}
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}
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2022-09-27 22:56:24 -07:00
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let nb:Buffer|null = Buffer.concat(bufToCombine)
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res.setHeader('Content-Type',file.mime)
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res.send(nb)
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nb = null
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} else {
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res.sendStatus(404)
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}
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})
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2022-12-27 15:09:47 -08:00
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app.get("/server",(req,res) => {
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res.send(JSON.stringify({...config,version:pkg.version}))
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})
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2022-09-26 22:09:38 -07:00
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app.get("*",(req,res) => {
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ThrowError(res,404,"Page not found.")
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})
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client.on("ready",() => {
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console.log("Discord OK!")
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client.guilds.fetch(config.targetGuild).then((g) => {
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g.channels.fetch(config.targetChannel).then((a) => {
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if (a?.isTextBased()) {
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uploadChannel = a
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}
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})
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})
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})
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app.listen(3000,function() {
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console.log("Web OK!")
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})
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client.login(process.env.TOKEN)
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