62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
'use strict'
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const logger = require('../helpers/logger')
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const mongoose = require('mongoose')
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const peertubeCrypto = require('../helpers/peertube-crypto')
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const Pod = mongoose.model('Pod')
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const secureMiddleware = {
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checkSignature: checkSignature,
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decryptBody: decryptBody
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}
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function checkSignature (req, res, next) {
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const url = req.body.signature.url
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Pod.loadByUrl(url, function (err, pod) {
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if (err) {
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logger.error('Cannot get signed url in decryptBody.', { error: err })
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return res.sendStatus(500)
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}
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if (pod === null) {
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logger.error('Unknown pod %s.', url)
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return res.sendStatus(403)
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}
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logger.debug('Decrypting body from %s.', url)
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const signatureOk = peertubeCrypto.checkSignature(pod.publicKey, url, req.body.signature.signature)
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if (signatureOk === true) {
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return next()
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}
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logger.error('Signature is not okay in decryptBody for %s.', req.body.signature.url)
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return res.sendStatus(403)
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})
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}
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function decryptBody (req, res, next) {
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peertubeCrypto.decrypt(req.body.key, req.body.data, function (err, decrypted) {
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if (err) {
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logger.error('Cannot decrypt data.', { error: err })
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return res.sendStatus(500)
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}
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try {
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req.body.data = JSON.parse(decrypted)
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delete req.body.key
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} catch (err) {
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logger.error('Error in JSON.parse', { error: err })
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return res.sendStatus(500)
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}
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next()
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})
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}
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// ---------------------------------------------------------------------------
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module.exports = secureMiddleware
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