dylan.derr/Send
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

refactored server

Browse source
This commit is contained in:
Danny Coates 2018-02-06 14:31:18 -08:00
parent 6d470b8eba
commit 3fd2537311
No known key found for this signature in database
GPG key ID: 4C442633C62E00CB
36 changed files with 2944 additions and 792 deletions
Download patch file Download diff file Expand all files Collapse all files

24
server/routes/download.js
View file

@ -1,39 +1,26 @@
const storage = require('../storage');
const mozlog = require('../log');
const log = mozlog('send.download');
const crypto = require('crypto');
module.exports = async function(req, res) {
const id = req.params.id;
try {
const auth = req.header('Authorization').split(' ')[1];
const meta = await storage.metadata(id);
const hmac = crypto.createHmac('sha256', Buffer.from(meta.auth, 'base64'));
hmac.update(Buffer.from(meta.nonce, 'base64'));
const verifyHash = hmac.digest();
if (!verifyHash.equals(Buffer.from(auth, 'base64'))) {
res.set('WWW-Authenticate', `send-v1 ${meta.nonce}`);
return res.sendStatus(401);
}
const nonce = crypto.randomBytes(16).toString('base64');
storage.setField(id, 'nonce', nonce);
const meta = req.meta;
const contentLength = await storage.length(id);
res.writeHead(200, {
'Content-Disposition': 'attachment',
'Content-Type': 'application/octet-stream',
'Content-Length': contentLength,
'X-File-Metadata': meta.metadata,
'WWW-Authenticate': `send-v1 ${nonce}`
'WWW-Authenticate': `send-v1 ${req.nonce}`
});
const file_stream = storage.get(id);
file_stream.on('end', async () => {
const dl = (+meta.dl || 0) + 1;
const dlimit = +meta.dlimit || 1;
const dl = meta.dl + 1;
const dlimit = meta.dlimit;
try {
if (dl >= dlimit) {
await storage.forceDelete(id);
await storage.del(id);
} else {
await storage.setField(id, 'dl', dl);
}
@ -41,7 +28,6 @@ module.exports = async function(req, res) {
log.info('StorageError:', id);
}
});
file_stream.pipe(res);
} catch (e) {
res.sendStatus(404);