const express = require('express'); const path = require('path'); const app = express(); app.get('/download/:filename', (req, res) => { const fileName = req.params.filename; const filePath = path.join(__dirname, 'uploads', fileName); // 1. Log the download (for your stats) console.log(`User requested: ${fileName}`); // 2. Set headers to force download of EXE res.download(filePath, (err) => { if (err) { res.status(404).send("File not found."); } }); }); Use code with caution. Copied to clipboard 3. Security Requirements
Serving executable files is high-risk. You must implement these safeguards:
: Digitally sign your .exe file using a certificate (e.g., Sectigo or DigiCert). This prevents Windows SmartScreen from showing a "Publisher Unknown" warning to your users. skachat exe faily
: A prominent call-to-action (CTA) that provides immediate feedback upon clicking.
The back-end should handle requests, log the download for analytics, and serve the file with the correct headers to trigger a browser download rather than trying to "run" the file in the tab. javascript Copied to clipboard 3
: Set this header to nosniff to prevent browsers from misinterpreting the file type. 4. User Experience (UX) Flow Selection : User clicks "Download for Windows."
The user-facing part should clearly identify the file, its version, and provide a secure trigger for the download. This prevents Windows SmartScreen from showing a "Publisher
: Ensure the server sends Content-Disposition: attachment; filename="file.exe" .