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goldilocks.js
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exposed the owner IDs to the API and mDNS 

allows users to see which units have already been set up with owner during
the setup process
This commit is contained in:
tigerbot 2017-07-06 11:25:30 -06:00
parent e62869b661
commit 0daf1b909a
2 changed files with 40 additions and 12 deletions
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31
lib/mdns.js
View File

@ -31,7 +31,7 @@ var randomId = {
}
};
function createResponse(name, packet, ttl, mainPort) {
function createResponse(name, ownerIds, packet, ttl, mainPort) {
var rpacket = {
header: {
id: packet.header.id
@ -97,12 +97,21 @@ function createResponse(name, packet, ttl, mainPort) {
, target: name + ".local"
});
rpacket.additional.push({
name: name + '._device-info._tcp.local'
name: name + '._device-info.' + queryName
, typeName: 'TXT'
, ttl: ttl
, className: 'IN'
, data: ["model=CloudHome1,1", "dappsvers=1"]
});
ownerIds.forEach(function (id) {
rpacket.additional.push({
name: name + '._owner-id.' + queryName
, typeName: 'TXT'
, ttl: ttl
, className: 'IN'
, data: [id]
});
});
return require('dns-suite').DNSPacket.write(rpacket);
}
@ -134,9 +143,23 @@ module.exports.start = function (deps, config, mainPort) {
if (packet.question.length !== 1 || packet.question[0].name !== queryName) {
return;
}
if (packet.question[0].typeName !== 'PTR' || packet.question[0].className !== 'IN' ) {
return;
}
randomId.get().then(function (name) {
var resp = createResponse(name, packet, config.mdns.ttl, mainPort);
var proms = [
randomId.get()
, deps.storage.owners.all().then(function (owners) {
// The ID is the sha256 hash of the PPID, which shouldn't be reversible and therefore
// should be safe to expose without needing authentication.
return owners.map(function (owner) {
return owner.id;
});
})
];
PromiseA.all(proms).then(function (results) {
var resp = createResponse(results[0], results[1], packet, config.mdns.ttl, mainPort);
var now = Date.now();
if (now > nextBroadcast) {
socket.send(resp, config.mdns.port, config.mdns.broadcast);

21
packages/apis/com.daplie.goldilocks/index.js
View File

@ -12,13 +12,6 @@ module.exports.create = function (deps, conf) {
var api = deps.api;
/*
var owners;
deps.storage.owners.on('set', function (_owners) {
owners = _owners;
});
*/
function handleCors(req, res, methods) {
if (!methods) {
methods = ['GET', 'POST'];
@ -65,7 +58,7 @@ module.exports.create = function (deps, conf) {
return {
init: function (req, res) {
if (handleCors(req, res, 'POST')) {
if (handleCors(req, res, ['GET', 'POST'])) {
return;
}
if (req.method !== 'POST') {
@ -75,6 +68,18 @@ module.exports.create = function (deps, conf) {
return;
}
if ('POST' !== req.method) {
// It should be safe to give the list of owner IDs to an un-authenticated
// request because the ID is the sha256 of the PPID and shouldn't be reversible
return deps.storage.owners.all().then(function (results) {
var ids = results.map(function (owner) {
return owner.id;
});
res.setHeader('Content-Type', 'application/json');
res.end(JSON.stringify(ids));
});
}
jsonParser(req, res, function () {
return deps.PromiseA.resolve().then(function () {