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69818c93 C |
1 | import 'express-validator' |
2 | import * as express from 'express' | |
3 | ||
e02643f3 C |
4 | import { database as db } from '../initializers' |
5 | import { | |
6 | logger, | |
7 | checkSignature as peertubeCryptoCheckSignature | |
8 | } from '../helpers' | |
a3ee6fa2 | 9 | |
69818c93 | 10 | function checkSignature (req: express.Request, res: express.Response, next: express.NextFunction) { |
49abbbbe | 11 | const host = req.body.signature.host |
feb4bdfd | 12 | db.Pod.loadByHost(host, function (err, pod) { |
9f10b292 | 13 | if (err) { |
38d78e5b | 14 | logger.error('Cannot get signed host in body.', { error: err }) |
9f10b292 C |
15 | return res.sendStatus(500) |
16 | } | |
17 | ||
18 | if (pod === null) { | |
49abbbbe | 19 | logger.error('Unknown pod %s.', host) |
9f10b292 C |
20 | return res.sendStatus(403) |
21 | } | |
22 | ||
38d78e5b | 23 | logger.debug('Checking signature from %s.', host) |
9f10b292 | 24 | |
bdfbd4f1 | 25 | let signatureShouldBe |
5a976a8c C |
26 | // If there is data in the body the sender used it for its signature |
27 | // If there is no data we just use its host as signature | |
bdfbd4f1 C |
28 | if (req.body.data) { |
29 | signatureShouldBe = req.body.data | |
30 | } else { | |
31 | signatureShouldBe = host | |
32 | } | |
33 | ||
e02643f3 | 34 | const signatureOk = peertubeCryptoCheckSignature(pod.publicKey, signatureShouldBe, req.body.signature.signature) |
9f10b292 | 35 | |
bc503c2a | 36 | if (signatureOk === true) { |
4ff0d862 C |
37 | res.locals.secure = { |
38 | pod | |
39 | } | |
40 | ||
0eb78d53 C |
41 | return next() |
42 | } | |
43 | ||
38d78e5b | 44 | logger.error('Signature is not okay in body for %s.', req.body.signature.host) |
0eb78d53 C |
45 | return res.sendStatus(403) |
46 | }) | |
47 | } | |
48 | ||
9f10b292 C |
49 | // --------------------------------------------------------------------------- |
50 | ||
65fcc311 C |
51 | export { |
52 | checkSignature | |
53 | } |