fix verification of http-signature in federation msg

This commit is contained in:
les 2019-08-08 17:48:12 +02:00
parent ca83f1c675
commit bb32611e73
3 changed files with 14 additions and 12 deletions

View file

@ -8,7 +8,8 @@
},
"db": {
"dialect": "sqlite",
"storage": "./db.sqlite"
"storage": "./db.sqlite",
"logging": false
},
"upload_path": "./",
"smtp": {

View file

@ -69,10 +69,12 @@ const Helpers = {
async getActor(url, force=false) {
// try with cache first if not forced
if (!force && actorCache[url]) return actorCache[url]
debug('getActor %s', url)
const user = await fetch(url, { headers: {'Accept': 'application/jrd+json, application/json'} })
.then(res => res.json())
.catch(debug)
.catch(e => {
debug(e)
return false
})
actorCache[url] = user
return user
},
@ -80,21 +82,23 @@ const Helpers = {
// ref: https://blog.joinmastodon.org/2018/07/how-to-make-friends-and-verify-requests/
async verifySignature(req, res, next) {
let user = await Helpers.getActor(req.body.actor)
if (!user) res.send('Actor not found', 401)
console.error(req.headers)
// little hack -> https://github.com/joyent/node-http-signature/pull/83
req.headers.authorization = 'Signature ' + req.headers.signature
// another little hack :/
// https://github.com/joyent/node-http-signature/issues/87
req.url = '/federation' + req.url
const parsed = httpSignature.parseRequest(req)
let ret = httpSignature.verifySignature(parsed, user.publicKey.publicKeyPem)
if (httpSignature.verifySignature(parsed, user.publicKey.publicKeyPem)) return next()
// signature not valid, try without cache
user = await Helpers.getActor(req.body.actor, true)
if (httpSignature.verifySignature(parsed, user.publicKey.publicKeyPem)) return next()
// ehm, TOFIX!!
return next()
// still not valid
// res.send('Request signature could not be verified', 401)
res.send('Request signature could not be verified', 401)
}
}

View file

@ -32,9 +32,6 @@ router.get('/m/:event_id', async (req, res) => {
router.post('/u/:name/inbox', Helpers.verifySignature, async (req, res) => {
const b = req.body
console.error('> INBOX ', b.type, b)
const targetOrigin = new URL(b.actor).origin
const domain = new URL(config.baseurl).host
switch(b.type) {
case 'Follow':
@ -43,7 +40,7 @@ router.post('/u/:name/inbox', Helpers.verifySignature, async (req, res) => {
case 'Undo':
// unfollow || unlike
if (b.object.type === 'Follow') {
Follows.unfollow(req, res, b, targetOrigin, domain)
Follows.unfollow(req, res)
} else if (b.object.type === 'Like') {
Ego.unbookmark(req, res)
} else if (b.object.type === 'Announce') {