: Ensure users cannot "path traverse" (access files they aren't supposed to) by sanitizing filenames.
: For very large ZIPs, use Streams to avoid crashing your server's memory. Download saaaaam zip
const archiver = require('archiver'); const fs = require('fs'); async function downloadSaaaamZip(req, res) { const archive = archiver('zip', { zlib: { level: 9 } }); // Handle errors archive.on('error', (err) => { throw err; }); // Set download headers res.attachment('saaaaam.zip'); // Pipe archive data to the response archive.pipe(res); // Add files (can be from disk or buffers) archive.append(fs.createReadStream('path/to/file1.txt'), { name: 'file1.txt' }); archive.append('String content', { name: 'note.txt' }); // Finalize the ZIP await archive.finalize(); } Use code with caution. Copied to clipboard ⚠️ Key Considerations : Ensure users cannot "path traverse" (access files
I can provide a full project structure or a front-end UI for the download button once I know your tech stack! Copied to clipboard ⚠️ Key Considerations I can
: If you create temporary ZIP files on disk, schedule a cron job or use a "delete on close" logic to save storage space.
: Ensure the filename ( saaaaam.zip ) is dynamic if multiple users are downloading different sets of data.
