drop.chapril.org-firefoxsend/server/routes/download.js

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const storage = require('../storage');
const mozlog = require('../log');
const log = mozlog('send.download');
function validateID(route_id) {
return route_id.match(/^[0-9a-fA-F]{10}$/) !== null;
}
module.exports = async function(req, res) {
const id = req.params.id;
if (!validateID(id)) {
return res.sendStatus(404);
}
try {
const meta = await storage.metadata(id);
const contentLength = await storage.length(id);
res.writeHead(200, {
'Content-Disposition': `attachment; filename=${meta.filename}`,
'Content-Type': 'application/octet-stream',
'Content-Length': contentLength,
'X-File-Metadata': JSON.stringify(meta)
});
const file_stream = storage.get(id);
file_stream.on('end', async () => {
try {
await storage.forceDelete(id);
} catch (e) {
log.info('DeleteError:', id);
}
});
file_stream.pipe(res);
} catch (e) {
res.sendStatus(404);
}
};