Files

116 lines
4.1 KiB
JavaScript

'use strict';
// Agent-facing operations (DESIGN.md §5, §6). These are NOT admin-gated: the
// caller is the agent itself, authenticated by its own token (the same one it
// presents on its WSS channel). Mounted at /api/v1/agent.
const express = require('express');
const baoConf = require('@simpleworkjs/bao-conf');
const { authenticateAgent } = require('../utils/agent_auth');
const router = express.Router();
// POST /secrets — fetch node-scoped OpenBao secrets for the agent's own node.
//
// { paths: ["secret/data/nodes/<agent-id>/db"] }
// -> { status: "ok", secrets: { "secret/data/nodes/<agent-id>/db": { key: value } } }
//
// The agent may only read under its own node prefix (secret/data/nodes/<id>/*),
// so a compromised agent cannot reach other nodes' or shared secrets. The SSO
// fetches with its own OpenBao access (SSO_VAULT_TOKEN); the agent never holds a
// Vault token.
const { Resource } = require('../models/resource');
const { SharedSecretGrant } = require('../models/shared_secret_grant');
const { SharedSecret } = require('../models/shared_secret');
router.post('/secrets', async (req, res, next) => {
try {
const agent = await authenticateAgent(req);
if (!agent) return res.status(401).json({ status: 'error', message: 'unauthorized' });
let { paths } = req.body || {};
let boundResource = null;
if (agent.resourceId) {
boundResource = await Resource.get(agent.resourceId).catch(() => null);
}
if (!Array.isArray(paths) || paths.length === 0) {
paths = [`secret/data/nodes/${agent.id}/conf`];
if (boundResource && boundResource.slug) {
paths.push(`secret/data/resources/${boundResource.slug}/conf`);
}
}
// Allowed prefixes for this agent:
// 1. Node scope: secret/data/nodes/<agent.id>/
// 2. Bound Resource scope: secret/data/resources/<resource.slug>/
// 3. Shared Resource Grants: secret/data/resources/<grantee-slug>/
const allowedPrefixes = [`secret/data/nodes/${agent.id}/`];
if (boundResource && boundResource.slug) {
allowedPrefixes.push(`secret/data/resources/${boundResource.slug}/`);
}
// Add granted shared resources
if (boundResource) {
const grants = await SharedSecretGrant.listForGrantee('resource', boundResource.id).catch(() => []);
for (const g of grants) {
const sharedSec = await SharedSecret.get(g.secretId).catch(() => null);
if (sharedSec && sharedSec.slug) {
allowedPrefixes.push(`secret/data/resources/${sharedSec.slug}/`);
allowedPrefixes.push(`secret/data/shared/${sharedSec.ownerUid}/${sharedSec.slug}/`);
}
}
}
const secrets = {};
for (let p of paths) {
if (typeof p !== 'string') continue;
// Normalize human shorthand "resources/foo/bar" -> "secret/data/resources/foo/bar"
if (p.startsWith('resources/')) {
p = `secret/data/resources/${p.slice('resources/'.length)}`;
}
const isAllowed = allowedPrefixes.some(prefix => p.startsWith(prefix));
if (!isAllowed) {
return res.status(403).json({ status: 'error', message: `path outside authorized scope: ${p}` });
}
const r = await baoConf.request('GET', p);
if (r.ok) {
const body = await r.json().catch(() => ({}));
const rawMap = (body.data && body.data.data) || {};
const resolvedMap = {};
for (const [k, v] of Object.entries(rawMap)) {
const strV = String(v || '');
if (strV.startsWith('INHERIT:')) {
const parts = strV.split(':');
if (parts.length >= 3) {
const targetSlug = parts[1];
const targetKey = parts[2];
const parentR = await baoConf.request('GET', `secret/data/resources/${targetSlug}/conf`);
if (parentR.ok) {
const parentBody = await parentR.json().catch(() => ({}));
const parentMap = (parentBody.data && parentBody.data.data) || {};
resolvedMap[k] = parentMap[targetKey] || '';
} else {
resolvedMap[k] = '';
}
} else {
resolvedMap[k] = '';
}
} else {
resolvedMap[k] = v;
}
}
secrets[p] = resolvedMap;
} else {
secrets[p] = {};
}
}
return res.json({ status: 'ok', secrets });
} catch (err) { next(err); }
});
module.exports = router;