index.js

const os = require('os')
const bytes = require('bytes')
const sharp = require('sharp')
const morgan = require('morgan')
const express = require('express')
const PDFDocument = require('pdfkit')
const axios = require("axios")

const app = express()
app.set('json spaces', 4)
app.use(morgan('dev'))
app.use(express.json())

app.all('/', (req, res) => {
	const status = {}
	const used = process.memoryUsage()
	for (let key in used) status[key] = formatSize(used[key])
	
	const totalmem = os.totalmem()
	const freemem = os.freemem()
	status.memoryUsage = `${formatSize(totalmem - freemem)} / ${formatSize(totalmem)}`
	
	res.json({
		creator: "@SadTeams",
		message: 'Hello World',
		uptime: new Date(process.uptime() * 1000).toUTCString().split(' ')[4],
		status
	})
})

app.post('/imagetopdf', async (req, res) => {
	try {
		console.log(req.body)
		const { images } = req.body
		if (!images) return res.json({ success: false, message: 'Required an array image url' })
		
		const buffer = await toPDF(images)
		res.setHeader('Content-Disposition', `attachment; filename=${Math.random().toString(36).slice(2)}.pdf`)
		res.setHeader('Content-Type', 'application/pdf')
		res.setHeader('Content-Length', buffer.byteLength)
		res.send(buffer)
	} catch (e) {
		console.log(e)
		e = String(e)
		res.json({ error: true, message: e === '[object Object]' ? 'Internal Server Error' : e })
	}
})

app.post('/api/chatgpt', async (req, res) => {
	try {
		console.log(req.body)
		const { prompt, model, status } = req.body
		if (!prompt) return res.json({ success: false, message: 'Required an prompt text!' })
        if (!model) return res.json({ success: false, message: 'Required an model version!' })
        if (!status) return res.json({ success: false, message: 'Required an prompt text!' })

        if(status !== "user") return res.json({ success: false, message: 'Invalid status!' })
		const response = await acytoo(prompt, model)
        res.json({
          status: "ok",
          result: response
        })
	} catch (e) {
		console.log(e)
		e = String(e)
		res.json({ error: true, message: e === '[object Object]' ? 'Internal Server Error' : e })
	}
})

const PORT = process.env.PORT || 7860
app.listen(PORT, () => console.log('App running on port', PORT))

function formatSize(num) {
	return bytes(+num || 0, { unitSeparator: ' ' })
}

function toPDF(urls) {
	return new Promise(async (resolve, reject) => {
		try {
			if (!Array.isArray(urls)) urls = [urls]
			const doc = new PDFDocument({ margin: 0, size: 'A4' })
			const buffers = []
			
			for (let i = 0; i < urls.length; i++) {
				const response = await fetch(urls[i], { headers: { referer: urls[i] }})
				if (!response.ok) continue
				
				const type = response.headers.get('content-type')
				if (!/image/.test(type)) continue
				
				let buffer = Buffer.from(await response.arrayBuffer())
				if (/gif|webp/.test(type)) buffer = await sharp(buffer).png().toBuffer()
				
				doc.image(buffer, 0, 0, { fit: [595.28, 841.89], align: 'center', valign: 'center' })
				if (urls.length !== i + 1) doc.addPage()
			}
			
			doc.on('data', (chunk) => buffers.push(chunk))
			doc.on('end', () => resolve(Buffer.concat(buffers)))
			doc.on('error', reject)
			doc.end()
		} catch (e) {
			console.log(e)
			reject(e)
		}
	})
}
async function acytoo(text, model) {
    let res = await axios.request({
        method: "POST",
        url: "https://chat.acytoo.com/api/completions",
        data: JSON.stringify({
            key: "",
            messages: [{
                role: "user", 
                content: text,
                createAt: "",
            }],
            model: model,
            password: "",
            temprature: 1
        }),
        headres: {
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36",
            "Origin": "https://chat.acytoo.com"
        }
    })
  return res.data
}