Files
proxy/nodejs/routes/dns.js
T
wmantly 10abd36340 Add OIDC login and per-domain authorization
Authentication previously implied full authorization: any valid token
could manage every host, DNS provider, domain, and user. This adds SSO
login and a per-domain rights model.

OIDC login (authorization_code + PKCE):
- conf.oidc + conf.auth blocks; clientSecret in (gitignored) secrets.js.
- utils/oidc.js (state/PKCE, code exchange, userinfo) using global fetch.
- models/oidc_state.js: short-lived state store, auto-expiring via
  model-redis 1.5 per-key TTL.
- routes/auth.js: GET /auth/oidc/start + /auth/oidc/callback; JIT-provisions
  a local user, mints an AuthToken carrying the SSO groups, hands the token to
  the browser via a URL fragment. "Log in with SSO" button on the login page.

Authorization (groups + app overrides, per-domain, with ownership):
- models/grant.js + utils/roles.js (pure, unit-tested): effective rights from
  conf.auth (admin users/groups, group->role map), Grant records
  (user|group -> global|domain -> viewer|manager|admin), and ownership
  (created_by). Roles rank admin > manager(owner) > viewer.
- AuthToken stores session groups; middleware/auth.js exposes req.groups.
- middleware/authz.js: requireAdmin, requireDomainRole(minRole, resolveDomain),
  filterViewable. Applied across routes: host mutations need manager on the
  host's domain; reads are filtered to visible domains; DNS providers, user
  management, and grant management are global-admin-only; certs need viewer.
- routes/grant.js: admin CRUD for grants. Anti-lockout via conf.auth.adminUsers
  plus migrations/grant_bootstrap.js.

Frontend: /me returns effective rights; nav gates Users/Grants to admins;
grants management page; OIDC token-fragment handling in app-base.js.

Tests: utils/roles and utils/oidc unit-tested (no redis); wired into the test
scripts. Full suite 89 pass. Also verified end-to-end against redis (grant
resolution, middleware allow/deny/403, list filtering) and the OIDC pure flow.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-10 12:17:05 -04:00

125 lines
2.8 KiB
JavaScript

'use strict';
const router = require('express').Router();
const {DnsProvider, Domain} = require('../models').models;
const authz = require('../middleware/authz');
const Model = DnsProvider;
// Provider listing exposes credentials/config for every domain, so it is
// admin-only. The creator of a provider still owns its domains (via created_by)
// and manages hosts/records under them without being a global admin.
router.get('/', authz.requireAdmin, async function(req, res, next){
try{
return res.json({
results: await Model[req.query.detail ? "listDetail" : "list"]()
});
}catch(error){
return next(error);
}
});
router.options('/', authz.requireAdmin, async function(req, res, next){
try{
return res.json({
results: await Model.listProviders()
});
}catch(error){
return next(error);
}
});
router.post('/', authz.requireAdmin, async function(req, res, next){
try{
req.body.created_by = authz.reqUsername(req);
let item = await Model.create(req.body);
return res.json({
message: `"${item[Model._key]}" added.`,
...item,
});
} catch (error){
next(error);
}
});
router.get('/domain', async function(req, res, next){
try{
let results = await Domain[req.query.detail ? "listDetail" : "list"]();
// Only surface domains the caller may view.
results = await authz.filterViewable(req, results,
item => (typeof item === 'string' ? item : item.domain));
return res.json({results});
}catch(error){
return next(error);
}
});
router.post('/domain/refresh/:item', authz.requireAdmin, async function(req, res, next){
try{
let item = await Model.get(req.params.item);
return res.json({results: await item.updateDomains()});
}catch(error){
next(error);
}
})
router.get('/domain/:item', authz.requireDomainRole('viewer', authz.resolve.domainParam), async function(req, res, next){
try{
return res.json({
results: [await Domain.get(req.params.item)]
});
}catch(error){
return next(error);
}
});
router.get('/:item', authz.requireAdmin, async function(req, res, next){
try{
return res.json({
item: req.params.item,
results: await Model.get(req.params.item)
});
}catch(error){
return next(error);
}
});
router.put('/:item', authz.requireAdmin, async function(req, res, next){
try{
req.body.updated_by = authz.reqUsername(req);
let item = await Model.get(req.params.item);
item = await item.update(req.body);
return res.json({
message: `"${req.params.item}" updated.`,
__requestedHost: req.params.item,
...item,
});
}catch(error){
return next(error);
}
});
router.delete('/:item', authz.requireAdmin, async function(req, res, next){
try{
let item = await Model.get(req.params.item);
let count = await item.remove();
return res.json({
message: `${req.params.item} deleted`,
...item,
});
}catch(error){
return next(error);
}
});
module.exports = router;