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'use strict'
const logger = require('../helpers/logger')
const peertubeCrypto = require('../helpers/peertubeCrypto')
const Pods = require('../models/pods')
const secureMiddleware = {
decryptBody: decryptBody
}
function decryptBody (req, res, next) {
const url = req.body.signature.url
Pods.findByUrl(url, function (err, pod) {
if (err) {
logger.error('Cannot get signed url in decryptBody.', { error: err })
return res.sendStatus(500)
}
if (pod === null) {
logger.error('Unknown pod %s.', url)
return res.sendStatus(403)
}
logger.debug('Decrypting body from %s.', url)
const signatureOk = peertubeCrypto.checkSignature(pod.publicKey, url, req.body.signature.signature)
if (signatureOk === true) {
peertubeCrypto.decrypt(req.body.key, req.body.data, function (err, decrypted) {
if (err) {
logger.error('Cannot decrypt data.', { error: err })
return res.sendStatus(500)
}
req.body.data = JSON.parse(decrypted)
delete req.body.key
next()
})
} else {
logger.error('Signature is not okay in decryptBody for %s.', req.body.signature.url)
return res.sendStatus(403)
}
})
}
// ---------------------------------------------------------------------------
module.exports = secureMiddleware
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