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1 | import { database as db } from '../initializers' | |
2 | import { | |
3 | logger, | |
4 | checkSignature as peertubeCryptoCheckSignature | |
5 | } from '../helpers' | |
6 | ||
7 | function checkSignature (req, res, next) { | |
8 | const host = req.body.signature.host | |
9 | db.Pod.loadByHost(host, function (err, pod) { | |
10 | if (err) { | |
11 | logger.error('Cannot get signed host in body.', { error: err }) | |
12 | return res.sendStatus(500) | |
13 | } | |
14 | ||
15 | if (pod === null) { | |
16 | logger.error('Unknown pod %s.', host) | |
17 | return res.sendStatus(403) | |
18 | } | |
19 | ||
20 | logger.debug('Checking signature from %s.', host) | |
21 | ||
22 | let signatureShouldBe | |
23 | // If there is data in the body the sender used it for its signature | |
24 | // If there is no data we just use its host as signature | |
25 | if (req.body.data) { | |
26 | signatureShouldBe = req.body.data | |
27 | } else { | |
28 | signatureShouldBe = host | |
29 | } | |
30 | ||
31 | const signatureOk = peertubeCryptoCheckSignature(pod.publicKey, signatureShouldBe, req.body.signature.signature) | |
32 | ||
33 | if (signatureOk === true) { | |
34 | res.locals.secure = { | |
35 | pod | |
36 | } | |
37 | ||
38 | return next() | |
39 | } | |
40 | ||
41 | logger.error('Signature is not okay in body for %s.', req.body.signature.host) | |
42 | return res.sendStatus(403) | |
43 | }) | |
44 | } | |
45 | ||
46 | // --------------------------------------------------------------------------- | |
47 | ||
48 | export { | |
49 | checkSignature | |
50 | } |