scan-request-directly.js

const fs = require('fs');
const NodeClam = require('clamscan');

// specify socket or TCP connection. read more at https://www.npmjs.com/package/clamscan#scanStream

const clamscan = new NodeClam().init({
    clamdscan: {
        socket: '/var/run/clamd.scan/clamd.sock',
        host: '127.0.0.1',
        port: 3310,
    }
});

app.post('/upload', async (req, res) => {
    const { isInfected, viruses } = await clamscan.scanStream(req);
    if (!isInfected)
        // upload to amazon S3
});