server.mjs
sha256:6f47d53a6adbcf105ba1b9cfc126c788d6a0f461d197f84f78794914305b4bd5
fix(mcp): bound hosted discovery context
Human
patch
12 hours ago
| 1 | /** |
| 2 | * Knowtation Hub Gateway — OAuth (Google/GitHub) + proxy to ICP canister with X-User-Id. |
| 3 | * For hosted product: user logs in here; all /api/* requests are proxied to canister with proof. |
| 4 | * Run: node server.mjs |
| 5 | * Env: SESSION_SECRET, CANISTER_URL, HUB_BASE_URL; optional GOOGLE_*, GITHUB_*, HUB_UI_ORIGIN, GATEWAY_PORT. |
| 6 | */ |
| 7 | |
| 8 | import crypto from 'crypto'; |
| 9 | import fs from 'fs'; |
| 10 | import path from 'path'; |
| 11 | import { fileURLToPath } from 'url'; |
| 12 | import dotenv from 'dotenv'; |
| 13 | import express from 'express'; |
| 14 | import cookieParser from 'cookie-parser'; |
| 15 | import jwt from 'jsonwebtoken'; |
| 16 | import passport from 'passport'; |
| 17 | import { Strategy as GoogleStrategy } from 'passport-google-oauth20'; |
| 18 | import { Strategy as GitHubStrategy } from 'passport-github2'; |
| 19 | import { stripeWebhookHandler, createCheckoutSession, createPortalSession } from './billing-stripe.mjs'; |
| 20 | import { handleBillingSummary } from './billing-http.mjs'; |
| 21 | import { isSubscriptionPriceId, isPackPriceId, priceIdFromTierShorthand, billingEnforced, MONTHLY_INCLUDED_CENTS_BY_TIER } from './billing-constants.mjs'; |
| 22 | import { recordIndexingTokensAfterBridgeIndex } from './billing-index-usage.mjs'; |
| 23 | import { runBillingGate } from './billing-middleware.mjs'; |
| 24 | import { mergeHostedNoteBodyForCanister, isPostApiV1Notes, isNoteWriteRequest } from './apply-note-provenance.mjs'; |
| 25 | import { deriveFacetsFromCanisterNotes, materializeListFrontmatter } from './note-facets.mjs'; |
| 26 | import { applyGatewayCors } from './cors-middleware.mjs'; |
| 27 | import { upstreamPathAndQuery, pathPartNoQuery, effectiveRequestPath } from './request-path.mjs'; |
| 28 | import { applyScopeFilterToNotes } from '../lib/scope-filter.mjs'; |
| 29 | import { createMetadataBulkHandlers } from './metadata-bulk-canister.mjs'; |
| 30 | import { filterUpstreamResponseHeadersForDecodedBody } from './upstream-response-headers.mjs'; |
| 31 | import { loadProposalRubric } from '../../lib/hub-proposal-rubric.mjs'; |
| 32 | import { commitImageToRepo, validateImageExtension, validateMagicBytes } from '../../lib/github-commit-image.mjs'; |
| 33 | import { parseMultipartFile } from './parse-multipart.mjs'; |
| 34 | import { proposalPolicyEnvLocked } from '../../lib/hub-proposal-policy.mjs'; |
| 35 | import { |
| 36 | loadHostedProposalLlmPrefs, |
| 37 | mergeHostedProposalLlmPrefs, |
| 38 | effectiveHostedEvaluationRequired, |
| 39 | effectiveHostedReviewHints, |
| 40 | effectiveHostedEnrich, |
| 41 | } from './proposal-llm-store.mjs'; |
| 42 | import { augmentProposalEvaluationBodyForCanister } from './proposal-evaluation-canister-body.mjs'; |
| 43 | import { augmentProposalCreateForHosted } from './proposal-create-hosted-body.mjs'; |
| 44 | import { maybeScheduleHostedProposalReviewHints } from './proposal-review-hints-async.mjs'; |
| 45 | import { proposalDataForHostedReviewHintsFromCreate } from './proposal-hints-create-context.mjs'; |
| 46 | import { runHostedProposalEnrichAndPost } from './proposal-enrich-hosted.mjs'; |
| 47 | import { isAttestationConfigured, createAttestation, verifyAttestation, verifyWithIcp, anchorPendingAttestations } from './attest-store.mjs'; |
| 48 | import { loadBillingDb, mutateBillingDb } from './billing-store.mjs'; |
| 49 | import { normalizeBillingUser, defaultUserRecord } from './billing-logic.mjs'; |
| 50 | import { |
| 51 | mergeConsolidateRequestBodyWithBillingDefaults, |
| 52 | validateHostedSettingsConsolidationAdvanced, |
| 53 | } from '../../lib/hosted-consolidation-advanced.mjs'; |
| 54 | import { |
| 55 | parseMuseConfigFromEnv, |
| 56 | resolveExternalRefForApprove, |
| 57 | proposalIdFromApprovePath, |
| 58 | fetchMuseProxiedGet, |
| 59 | } from '../../lib/muse-thin-bridge.mjs'; |
| 60 | import { exportNoteRecordToContent } from '../../lib/export.mjs'; |
| 61 | import { canisterAuthHeaders as canisterAuthHeadersFromEnv } from './canister-auth-headers.mjs'; |
| 62 | import { |
| 63 | issueRefreshCookie, |
| 64 | createRefreshHandler, |
| 65 | createLogoutHandler, |
| 66 | refreshCookieOptions, |
| 67 | } from '../auth-session.mjs'; |
| 68 | import { |
| 69 | createGatewayRefreshStore, |
| 70 | pruneRefreshTokens as pruneGatewayRefreshTokens, |
| 71 | } from './refresh-token-store.mjs'; |
| 72 | import { createScoolingNoteOutlineSmokeRouter } from './scooling-note-outline-smoke.mjs'; |
| 73 | import { createScoolingWriteBackSmokeRouter } from './scooling-write-back-smoke.mjs'; |
| 74 | import { buildNoteOutline } from '../../lib/note-outline.mjs'; |
| 75 | import { buildDocumentTree } from '../../lib/document-tree.mjs'; |
| 76 | import { buildSectionSource } from '../../lib/section-source.mjs'; |
| 77 | import { normalizeMetadataFacets } from '../../lib/vault.mjs'; |
| 78 | |
| 79 | // Safe when bundled (e.g. Netlify Functions CJS) where import.meta may be undefined |
| 80 | let projectRoot; |
| 81 | try { |
| 82 | const __dirname = path.dirname(fileURLToPath(import.meta.url)); |
| 83 | projectRoot = path.resolve(__dirname, '..', '..'); |
| 84 | } catch (_) { |
| 85 | projectRoot = process.cwd(); |
| 86 | } |
| 87 | const envPath = path.join(projectRoot, '.env'); |
| 88 | if (fs.existsSync(envPath)) dotenv.config({ path: envPath }); |
| 89 | |
| 90 | const PORT = parseInt(process.env.GATEWAY_PORT || process.env.PORT || '3340', 10); |
| 91 | const BASE_URL = process.env.HUB_BASE_URL || `http://localhost:${PORT}`; |
| 92 | |
| 93 | // AIR Improvement D: when ATTESTATION_SECRET is set and no explicit AIR endpoint |
| 94 | // is provided, point AIR at this gateway's own /api/v1/attest route. |
| 95 | if ( |
| 96 | process.env.ATTESTATION_SECRET && |
| 97 | process.env.ATTESTATION_SECRET.length >= 32 && |
| 98 | !process.env.KNOWTATION_AIR_ENDPOINT |
| 99 | ) { |
| 100 | process.env.KNOWTATION_AIR_ENDPOINT = `${BASE_URL}/api/v1/attest`; |
| 101 | console.log('[gateway] AIR auto-configured: KNOWTATION_AIR_ENDPOINT =', process.env.KNOWTATION_AIR_ENDPOINT); |
| 102 | } |
| 103 | const CANISTER_URL = (process.env.CANISTER_URL || '').replace(/\/$/, ''); |
| 104 | const CANISTER_AUTH_SECRET = process.env.CANISTER_AUTH_SECRET || ''; |
| 105 | const BRIDGE_URL = (process.env.BRIDGE_URL || '').replace(/\/$/, ''); |
| 106 | if (BRIDGE_URL) { |
| 107 | try { |
| 108 | const u = new URL(BRIDGE_URL); |
| 109 | if (u.protocol !== 'http:' && u.protocol !== 'https:') { |
| 110 | throw new Error('BRIDGE_URL must use http: or https:'); |
| 111 | } |
| 112 | } catch (e) { |
| 113 | console.error( |
| 114 | '[gateway] BRIDGE_URL must be an absolute URL with scheme (no path after host), e.g. https://your-bridge.netlify.app. Got:', |
| 115 | JSON.stringify(BRIDGE_URL), |
| 116 | e.message || e, |
| 117 | ); |
| 118 | process.exit(1); |
| 119 | } |
| 120 | } |
| 121 | const HUB_UI_ORIGIN = (process.env.HUB_UI_ORIGIN || BASE_URL).replace(/\/$/, ''); |
| 122 | const SESSION_SECRET = process.env.SESSION_SECRET || process.env.HUB_JWT_SECRET; |
| 123 | const JWT_EXPIRY = process.env.HUB_JWT_EXPIRY || '24h'; |
| 124 | |
| 125 | // Optional: comma-separated list of user IDs (e.g. google:123,github:456) who get role admin on hosted. Others get member. |
| 126 | const HUB_ADMIN_USER_IDS = (process.env.HUB_ADMIN_USER_IDS || '') |
| 127 | .split(',') |
| 128 | .map((s) => s.trim()) |
| 129 | .filter(Boolean); |
| 130 | const adminUserIdsSet = new Set(HUB_ADMIN_USER_IDS); |
| 131 | |
| 132 | function roleForSub(sub) { |
| 133 | return sub && adminUserIdsSet.has(sub) ? 'admin' : 'member'; |
| 134 | } |
| 135 | |
| 136 | function canisterAuthHeaders() { |
| 137 | return canisterAuthHeadersFromEnv(); |
| 138 | } |
| 139 | |
| 140 | passport.serializeUser((user, done) => done(null, user)); |
| 141 | passport.deserializeUser((obj, done) => done(null, obj)); |
| 142 | |
| 143 | if (process.env.GOOGLE_CLIENT_ID && process.env.GOOGLE_CLIENT_SECRET) { |
| 144 | passport.use( |
| 145 | new GoogleStrategy( |
| 146 | { |
| 147 | clientID: process.env.GOOGLE_CLIENT_ID, |
| 148 | clientSecret: process.env.GOOGLE_CLIENT_SECRET, |
| 149 | callbackURL: `${BASE_URL}/auth/callback/google`, |
| 150 | }, |
| 151 | (_accessToken, _refreshToken, profile, done) => { |
| 152 | return done(null, { provider: 'google', id: profile.id, displayName: profile.displayName ?? '' }); |
| 153 | } |
| 154 | ) |
| 155 | ); |
| 156 | } |
| 157 | if (process.env.GITHUB_CLIENT_ID && process.env.GITHUB_CLIENT_SECRET) { |
| 158 | passport.use( |
| 159 | new GitHubStrategy( |
| 160 | { |
| 161 | clientID: process.env.GITHUB_CLIENT_ID, |
| 162 | clientSecret: process.env.GITHUB_CLIENT_SECRET, |
| 163 | callbackURL: `${BASE_URL}/auth/callback/github`, |
| 164 | }, |
| 165 | (_accessToken, _refreshToken, profile, done) => { |
| 166 | return done(null, { provider: 'github', id: profile.id, displayName: profile.displayName ?? profile.username ?? '' }); |
| 167 | } |
| 168 | ) |
| 169 | ); |
| 170 | } |
| 171 | |
| 172 | function userId(user) { |
| 173 | if (!user || !user.provider || !user.id) return null; |
| 174 | return `${user.provider}:${user.id}`; |
| 175 | } |
| 176 | |
| 177 | function issueToken(user) { |
| 178 | const sub = userId(user); |
| 179 | if (!sub) return null; |
| 180 | const role = roleForSub(sub); |
| 181 | return jwt.sign( |
| 182 | { |
| 183 | sub, |
| 184 | provider: user.provider, |
| 185 | id: user.id, |
| 186 | name: user.displayName ?? '', |
| 187 | role, |
| 188 | }, |
| 189 | SESSION_SECRET, |
| 190 | { expiresIn: JWT_EXPIRY } |
| 191 | ); |
| 192 | } |
| 193 | |
| 194 | function verifyToken(token) { |
| 195 | try { |
| 196 | const payload = jwt.verify(token, SESSION_SECRET); |
| 197 | return payload.sub ?? null; |
| 198 | } catch (_) { |
| 199 | return null; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Verify the token and return the full decoded payload, or null if invalid/expired. |
| 205 | * Used only by the session-introspection endpoint; callers that only need `sub` use verifyToken. |
| 206 | * @param {string} token |
| 207 | * @returns {object|null} |
| 208 | */ |
| 209 | function decodeVerifiedToken(token) { |
| 210 | try { |
| 211 | return jwt.verify(token, SESSION_SECRET); |
| 212 | } catch (_) { |
| 213 | return null; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Derive the set of API scopes from a role string. |
| 219 | * This is the C7 → C4 bridge: Scooling can read `scopes` today; when explicit per-user |
| 220 | * scope management (C4) is wired in, this function will be replaced with a real lookup |
| 221 | * without changing the C7 response shape. |
| 222 | * @param {string} role - 'admin' | 'member' |
| 223 | * @returns {string[]} |
| 224 | */ |
| 225 | function scopesForRole(role) { |
| 226 | if (role === 'admin') return ['vault:read', 'vault:write', 'admin']; |
| 227 | return ['vault:read', 'vault:write']; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Re-mint a short-lived access token from a `sub` alone (used by POST /api/v1/auth/refresh, |
| 232 | * which only knows the user id carried by the refresh-token record). The `sub` is the canonical |
| 233 | * `provider:id`, so provider/id are reconstructed from it and the role is re-derived from the |
| 234 | * current admin allowlist — a refreshed token always reflects the latest role, exactly like |
| 235 | * login. Display name is omitted (cosmetic; the UI reads it from /settings). |
| 236 | * @param {string} sub |
| 237 | * @returns {string|null} signed JWT, or null when sub is missing |
| 238 | */ |
| 239 | function issueAccessTokenForSub(sub) { |
| 240 | if (!sub || typeof sub !== 'string') return null; |
| 241 | const idx = sub.indexOf(':'); |
| 242 | const provider = idx > 0 ? sub.slice(0, idx) : ''; |
| 243 | const id = idx > 0 ? sub.slice(idx + 1) : sub; |
| 244 | return jwt.sign( |
| 245 | { sub, provider, id, name: '', role: roleForSub(sub) }, |
| 246 | SESSION_SECRET, |
| 247 | { expiresIn: JWT_EXPIRY } |
| 248 | ); |
| 249 | } |
| 250 | |
| 251 | const IMAGE_PROXY_TOKEN_TTL_SECONDS = 300; |
| 252 | |
| 253 | function signImageProxyToken(secret, uid) { |
| 254 | const exp = Math.floor(Date.now() / 1000) + IMAGE_PROXY_TOKEN_TTL_SECONDS; |
| 255 | const payload = `img\0${uid}\0${exp}`; |
| 256 | const sig = crypto.createHmac('sha256', secret).update(payload).digest('base64url'); |
| 257 | return `${exp}.${Buffer.from(uid).toString('base64url')}.${sig}`; |
| 258 | } |
| 259 | |
| 260 | function verifyImageProxyToken(secret, token) { |
| 261 | if (typeof token !== 'string') return null; |
| 262 | const parts = token.split('.'); |
| 263 | if (parts.length !== 3) return null; |
| 264 | const [expStr, uidB64, sig] = parts; |
| 265 | const exp = parseInt(expStr, 10); |
| 266 | if (!exp || Math.floor(Date.now() / 1000) > exp) return null; |
| 267 | let uid; |
| 268 | try { uid = Buffer.from(uidB64, 'base64url').toString(); } catch (_) { return null; } |
| 269 | if (!uid) return null; |
| 270 | const payload = `img\0${uid}\0${exp}`; |
| 271 | const expected = crypto.createHmac('sha256', secret).update(payload).digest('base64url'); |
| 272 | const sigBuf = Buffer.from(sig); |
| 273 | const expectedBuf = Buffer.from(expected); |
| 274 | if (sigBuf.length !== expectedBuf.length || !crypto.timingSafeEqual(sigBuf, expectedBuf)) return null; |
| 275 | return uid; |
| 276 | } |
| 277 | |
| 278 | const app = express(); |
| 279 | // Trust the first downstream proxy so express-rate-limit (and any future IP-based middleware) |
| 280 | // reads the real client IP from X-Forwarded-For instead of the CDN/load-balancer address. |
| 281 | app.set('trust proxy', 1); |
| 282 | |
| 283 | // Remove X-Powered-By: Express — leaking server technology is unnecessary attack surface. |
| 284 | app.disable('x-powered-by'); |
| 285 | |
| 286 | // Netlify rewrites /* -> /.netlify/functions/gateway/:splat, so the function may receive |
| 287 | // a path like /.netlify/functions/gateway/api/v1/notes. Express would not match /api/v1/* routes. |
| 288 | const NETLIFY_GW_PREFIX = '/.netlify/functions/gateway'; |
| 289 | app.use((req, _res, next) => { |
| 290 | const raw = req.url || '/'; |
| 291 | const q = raw.indexOf('?'); |
| 292 | const pathPart = q >= 0 ? raw.slice(0, q) : raw; |
| 293 | const queryPart = q >= 0 ? raw.slice(q) : ''; |
| 294 | if (pathPart === NETLIFY_GW_PREFIX || pathPart.startsWith(`${NETLIFY_GW_PREFIX}/`)) { |
| 295 | const rest = |
| 296 | pathPart === NETLIFY_GW_PREFIX ? '/' : pathPart.slice(NETLIFY_GW_PREFIX.length) || '/'; |
| 297 | const nextUrl = rest + queryPart; |
| 298 | req.url = nextUrl; |
| 299 | // Express may set originalUrl to the internal function path; keep it aligned with req.path. |
| 300 | req.originalUrl = nextUrl; |
| 301 | delete req._parsedUrl; |
| 302 | delete req._parsedOriginalUrl; |
| 303 | } |
| 304 | next(); |
| 305 | }); |
| 306 | |
| 307 | app.use(cookieParser()); |
| 308 | app.post('/api/v1/billing/webhook', express.raw({ type: 'application/json' }), (req, res) => { |
| 309 | stripeWebhookHandler(req, res); |
| 310 | }); |
| 311 | app.use(express.json({ limit: '10mb' })); |
| 312 | app.use(passport.initialize()); |
| 313 | |
| 314 | // CORS: production MUST set HUB_CORS_ORIGIN (apex + www) for credentialed-style responses. |
| 315 | // If unset, we use * and omit Allow-Credentials — otherwise browsers block (* + credentials = Failed to fetch). |
| 316 | // See hub/gateway/cors-middleware.mjs. |
| 317 | const corsOrigins = process.env.HUB_CORS_ORIGIN |
| 318 | ? process.env.HUB_CORS_ORIGIN.split(',').map((o) => o.trim()).filter(Boolean) |
| 319 | : []; |
| 320 | app.use((req, res, next) => { |
| 321 | applyGatewayCors(res, req.get('Origin'), corsOrigins); |
| 322 | next(); |
| 323 | }); |
| 324 | |
| 325 | // Persistent sessions (refresh-token rotation), hosted edition. The durable, hashed refresh |
| 326 | // token is delivered as an HttpOnly cookie; the security logic lives in |
| 327 | // hub/lib/refresh-token-core.mjs via the blob-backed store below (shared with self-hosted). |
| 328 | const refreshStore = createGatewayRefreshStore(); |
| 329 | |
| 330 | /** |
| 331 | * Cookie policy for the hosted refresh token. |
| 332 | * - When the UI and gateway share an origin (HUB_CORS_ORIGIN unset), the cookie is first-party |
| 333 | * and SameSite=Lax is correct and most robust. |
| 334 | * - When HUB_CORS_ORIGIN is set the UI is on another origin, so the credentialed cross-site |
| 335 | * request requires SameSite=None (which forces Secure). NOTE: a cross-site cookie is only |
| 336 | * delivered reliably when the gateway is a subdomain of the UI's registrable domain (e.g. |
| 337 | * UI knowtation.store + gateway api.knowtation.store); browsers increasingly block |
| 338 | * unrelated third-party cookies. Same-origin (single origin for UI + API) is recommended. |
| 339 | * Scoped to the auth path so the cookie is only ever sent to /api/v1/auth endpoints. |
| 340 | */ |
| 341 | function refreshCookiePolicy() { |
| 342 | const crossOrigin = corsOrigins.length > 0; |
| 343 | return refreshCookieOptions({ |
| 344 | secure: crossOrigin || BASE_URL.startsWith('https://'), |
| 345 | sameSite: crossOrigin ? 'none' : 'lax', |
| 346 | maxAgeMs: 90 * 24 * 60 * 60 * 1000, |
| 347 | }); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Issue the HttpOnly refresh cookie at the end of a successful OAuth login. Best-effort: a |
| 352 | * refresh-store write failure must never block login (the access token still works). |
| 353 | * @param {import('express').Response} res |
| 354 | * @param {import('express').Request} req |
| 355 | * @param {string|null} sub |
| 356 | */ |
| 357 | async function issueRefreshCookieSafe(res, req, sub) { |
| 358 | if (!sub) { |
| 359 | console.warn('[gateway] refresh cookie skipped: no sub resolved from req.user'); |
| 360 | return; |
| 361 | } |
| 362 | try { |
| 363 | await issueRefreshCookie(res, { |
| 364 | store: refreshStore, |
| 365 | sub, |
| 366 | cookieOptions: refreshCookiePolicy, |
| 367 | meta: { ua: String(req.headers['user-agent'] || '').slice(0, 256) }, |
| 368 | }); |
| 369 | console.info('[gateway] refresh cookie issued for sub=%s', sub); |
| 370 | } catch (err) { |
| 371 | // Login still proceeds with the access token even if the refresh store is unavailable, but |
| 372 | // the failure MUST be surfaced — swallowing it silently made a persistent-login outage |
| 373 | // undiagnosable. `authBlobPresent` distinguishes the two failure modes: |
| 374 | // false → the Netlify Blob was not provisioned for this invocation, so the store fell back |
| 375 | // to a file write that fails on the read-only function FS; |
| 376 | // true → the blob was provisioned but the read/write itself was rejected. |
| 377 | const authBlobPresent = Boolean(globalThis.__knowtation_gateway_auth_blob); |
| 378 | console.error( |
| 379 | '[gateway] refresh cookie FAILED for sub=%s authBlobPresent=%s: %s', |
| 380 | sub, |
| 381 | authBlobPresent, |
| 382 | err && err.stack ? err.stack : (err && err.message) || String(err), |
| 383 | ); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | // Authenticated Hub JSON must not be cached (browser 304 / CDN reuse shows stale frontmatter). |
| 388 | app.use('/api/v1', (req, res, next) => { |
| 389 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 390 | next(); |
| 391 | }); |
| 392 | |
| 393 | // Health (no auth) — returns { ok: true }. If a CDN or host wrapper returns usage_exceeded, that is outside this app (check Netlify site / account limits and which commit is deployed). |
| 394 | app.get('/health', (_req, res) => res.json({ ok: true })); |
| 395 | app.get('/api/v1/health', (_req, res) => res.json({ ok: true })); |
| 396 | app.use(createScoolingNoteOutlineSmokeRouter()); |
| 397 | app.use(createScoolingWriteBackSmokeRouter()); |
| 398 | |
| 399 | // Which OAuth providers are configured (no auth) |
| 400 | app.get('/api/v1/auth/providers', (_req, res) => { |
| 401 | res.json({ |
| 402 | google: Boolean(process.env.GOOGLE_CLIENT_ID && process.env.GOOGLE_CLIENT_SECRET), |
| 403 | github: Boolean(process.env.GITHUB_CLIENT_ID && process.env.GITHUB_CLIENT_SECRET), |
| 404 | }); |
| 405 | }); |
| 406 | |
| 407 | // C7 Session introspection — returns the verified identity and derived scopes for the bearer. |
| 408 | // Designed for Scooling (cross-origin, Bearer auth) and the Hub UI alike. |
| 409 | // GET /api/v1/auth/session → { sub, provider, id, name, role, iat, exp, scopes } |
| 410 | // Only reads what is already in the signed JWT — no extra DB call, no data elevation. |
| 411 | app.options('/api/v1/auth/session', (_req, res) => res.status(204).end()); |
| 412 | app.get('/api/v1/auth/session', (req, res) => { |
| 413 | const auth = req.headers.authorization; |
| 414 | if (!auth || !auth.startsWith('Bearer ')) { |
| 415 | return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 416 | } |
| 417 | const token = auth.slice(7); |
| 418 | const payload = decodeVerifiedToken(token); |
| 419 | if (!payload || !payload.sub) { |
| 420 | return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 421 | } |
| 422 | return res.json({ |
| 423 | sub: payload.sub, |
| 424 | provider: payload.provider ?? '', |
| 425 | id: payload.id ?? '', |
| 426 | name: payload.name ?? '', |
| 427 | role: payload.role ?? 'member', |
| 428 | iat: payload.iat, |
| 429 | exp: payload.exp, |
| 430 | scopes: scopesForRole(payload.role ?? 'member'), |
| 431 | }); |
| 432 | }); |
| 433 | |
| 434 | // Persistent sessions: exchange the HttpOnly refresh cookie for a fresh access token, and real |
| 435 | // server-side logout (revokes the refresh token, not just the client cookie). Mounted BEFORE the |
| 436 | // bridge/canister proxies so these are handled locally and never forwarded upstream. |
| 437 | // |
| 438 | // Rate limiting note: an in-memory express-rate-limit is ineffective on Netlify (each function |
| 439 | // invocation is isolated, no shared counter) and trips ERR_ERL_* under serverless proxies. Brute |
| 440 | // force is bounded instead by edge limits (see hub/gateway/README.md) and, more fundamentally, by |
| 441 | // the opaque high-entropy token + rotation/reuse detection in refresh-token-core.mjs. |
| 442 | app.options(['/api/v1/auth/refresh', '/api/v1/auth/logout'], (_req, res) => res.status(204).end()); |
| 443 | app.post( |
| 444 | '/api/v1/auth/refresh', |
| 445 | createRefreshHandler({ |
| 446 | store: refreshStore, |
| 447 | issueAccessToken: issueAccessTokenForSub, |
| 448 | cookieOptions: refreshCookiePolicy, |
| 449 | meta: (req) => ({ ua: String(req.headers['user-agent'] || '').slice(0, 256) }), |
| 450 | }) |
| 451 | ); |
| 452 | app.post( |
| 453 | '/api/v1/auth/logout', |
| 454 | createLogoutHandler({ store: refreshStore, cookieOptions: refreshCookiePolicy }) |
| 455 | ); |
| 456 | // On a persistent gateway (local/Docker/VPS) opportunistically prune dead refresh records at |
| 457 | // startup. Skipped on Netlify, where the blob store is provisioned per-invocation and a cold-start |
| 458 | // prune would add latency to the first request; rely on rotation/expiry to keep the store small. |
| 459 | if (!process.env.NETLIFY) { |
| 460 | Promise.resolve() |
| 461 | .then(() => pruneGatewayRefreshTokens()) |
| 462 | .catch(() => { /* best effort; never fatal */ }); |
| 463 | } |
| 464 | |
| 465 | // Auth: login redirect — plan routes GET /auth/login, GET /auth/callback/google|github. Preserve invite in state for post-login redirect. |
| 466 | // Phase D3: mcp_state query param is passed through OAuth state for MCP authorization flow. |
| 467 | app.get('/auth/login', (req, res, next) => { |
| 468 | const provider = (req.query.provider || 'google').toLowerCase(); |
| 469 | const invite = typeof req.query.invite === 'string' ? req.query.invite.trim() : ''; |
| 470 | const mcpState = typeof req.query.mcp_state === 'string' ? req.query.mcp_state.trim() : ''; |
| 471 | let state; |
| 472 | if (mcpState) { |
| 473 | state = `mcp:${mcpState}`; |
| 474 | } else { |
| 475 | state = invite || undefined; |
| 476 | } |
| 477 | if (provider === 'google' && process.env.GOOGLE_CLIENT_ID) { |
| 478 | return passport.authenticate('google', { scope: ['profile'], state })(req, res, next); |
| 479 | } |
| 480 | if (provider === 'github' && process.env.GITHUB_CLIENT_ID) { |
| 481 | return passport.authenticate('github', { scope: ['user:email'], state })(req, res, next); |
| 482 | } |
| 483 | return res.status(400).json({ error: `Unknown or disabled provider: ${provider}`, code: 'BAD_REQUEST' }); |
| 484 | }); |
| 485 | |
| 486 | function postLoginRedirect(token, req) { |
| 487 | if (!token) return HUB_UI_ORIGIN + '/hub/?auth_error=1'; |
| 488 | const invite = typeof req.query.state === 'string' ? req.query.state.trim() : ''; |
| 489 | let fragment = `token=${encodeURIComponent(token)}`; |
| 490 | if (invite && invite.length > 0) fragment += '&invite=' + encodeURIComponent(invite); |
| 491 | return `${HUB_UI_ORIGIN}/hub/#${fragment}`; |
| 492 | } |
| 493 | |
| 494 | app.get( |
| 495 | '/auth/callback/google', |
| 496 | passport.authenticate('google', { session: false }), |
| 497 | async (req, res) => { |
| 498 | const state = typeof req.query.state === 'string' ? req.query.state : ''; |
| 499 | if (state.startsWith('mcp:') && app._mcpOAuthProvider) { |
| 500 | const sub = userId(req.user); |
| 501 | if (!sub) return res.status(401).json({ error: 'auth_failed' }); |
| 502 | return app._mcpOAuthProvider.completeMcpAuthorization(state.slice(4), sub, res); |
| 503 | } |
| 504 | const token = issueToken(req.user); |
| 505 | await issueRefreshCookieSafe(res, req, userId(req.user)); |
| 506 | res.redirect(postLoginRedirect(token, req)); |
| 507 | } |
| 508 | ); |
| 509 | app.get( |
| 510 | '/auth/callback/github', |
| 511 | passport.authenticate('github', { session: false }), |
| 512 | async (req, res) => { |
| 513 | const state = typeof req.query.state === 'string' ? req.query.state : ''; |
| 514 | if (state.startsWith('mcp:') && app._mcpOAuthProvider) { |
| 515 | const sub = userId(req.user); |
| 516 | if (!sub) return res.status(401).json({ error: 'auth_failed' }); |
| 517 | return app._mcpOAuthProvider.completeMcpAuthorization(state.slice(4), sub, res); |
| 518 | } |
| 519 | const token = issueToken(req.user); |
| 520 | await issueRefreshCookieSafe(res, req, userId(req.user)); |
| 521 | res.redirect(postLoginRedirect(token, req)); |
| 522 | } |
| 523 | ); |
| 524 | |
| 525 | // Hub UI may call login under /api/v1/auth for consistency — redirect to /auth (preserve invite for post-login consume) |
| 526 | app.get('/api/v1/auth/login', (req, res) => { |
| 527 | const provider = (req.query.provider || 'google').toLowerCase(); |
| 528 | let url = `${BASE_URL}/auth/login?provider=${encodeURIComponent(provider)}`; |
| 529 | const invite = typeof req.query.invite === 'string' ? req.query.invite.trim() : ''; |
| 530 | if (invite) url += '&invite=' + encodeURIComponent(invite); |
| 531 | res.redirect(url); |
| 532 | }); |
| 533 | |
| 534 | // Phase D2/D3: MCP gateway + OAuth 2.1. |
| 535 | // MCP requires stateful sessions (SSE, session pool) that are incompatible with Netlify's |
| 536 | // serverless function model (26s timeout, no shared memory between invocations). |
| 537 | // On Netlify, only the OAuth discovery endpoints are mounted (lightweight, stateless). |
| 538 | // The full /mcp session endpoint requires a persistent Express server (local dev, Docker, VPS, |
| 539 | // or a dedicated MCP host like Railway/Fly.io). See docs/AGENT-INTEGRATION.md §2 (hosted MCP). |
| 540 | if (SESSION_SECRET && !process.env.NETLIFY) { |
| 541 | import('./mcp-oauth-provider.mjs').then(async ({ KnowtationOAuthProvider }) => { |
| 542 | const { mcpAuthRouter } = await import('@modelcontextprotocol/sdk/server/auth/router.js'); |
| 543 | const oauthProvider = new KnowtationOAuthProvider({ |
| 544 | sessionSecret: SESSION_SECRET, |
| 545 | baseUrl: BASE_URL, |
| 546 | }); |
| 547 | app._mcpOAuthProvider = oauthProvider; |
| 548 | // @modelcontextprotocol/sdk OAuth routes use express-rate-limit behind Nginx. The limiter's |
| 549 | // default validations (X-Forwarded-For vs Express trust proxy) still throw ERR_ERL_* on some |
| 550 | // Express/SDK mount combinations. Disable express-rate-limit validations for these routes only; |
| 551 | // limits stay on; edge limits remain in Nginx (gateway deploy notes in hub/gateway/README.md). |
| 552 | const mcpOAuthSdkRateLimitOpts = { |
| 553 | rateLimit: { validate: false }, |
| 554 | }; |
| 555 | app.use(mcpAuthRouter({ |
| 556 | provider: oauthProvider, |
| 557 | issuerUrl: new URL(BASE_URL), |
| 558 | scopesSupported: ['vault:read', 'vault:write', 'vault:admin'], |
| 559 | authorizationOptions: mcpOAuthSdkRateLimitOpts, |
| 560 | tokenOptions: mcpOAuthSdkRateLimitOpts, |
| 561 | clientRegistrationOptions: mcpOAuthSdkRateLimitOpts, |
| 562 | revocationOptions: mcpOAuthSdkRateLimitOpts, |
| 563 | })); |
| 564 | console.log('[gateway] MCP OAuth 2.1 endpoints mounted'); |
| 565 | }).catch((e) => { |
| 566 | console.error('[gateway] MCP OAuth router failed to load:', e.message || e); |
| 567 | }); |
| 568 | } else if (SESSION_SECRET && process.env.NETLIFY) { |
| 569 | console.log('[gateway] MCP OAuth/session endpoints skipped on Netlify (stateful sessions require persistent server)'); |
| 570 | } |
| 571 | |
| 572 | if (BRIDGE_URL && CANISTER_URL && !process.env.NETLIFY) { |
| 573 | import('./mcp-proxy.mjs').then(({ createMcpProxyRouter }) => { |
| 574 | const mcpRouter = createMcpProxyRouter({ |
| 575 | getUserId, |
| 576 | getHostedAccessContext, |
| 577 | canisterUrl: CANISTER_URL, |
| 578 | canisterAuthSecret: CANISTER_AUTH_SECRET, |
| 579 | bridgeUrl: BRIDGE_URL, |
| 580 | gatewayApiBaseUrl: BASE_URL.replace(/\/$/, ''), |
| 581 | sessionSecret: SESSION_SECRET || '', |
| 582 | }); |
| 583 | app.use('/mcp', mcpRouter); |
| 584 | console.log('[gateway] MCP endpoint mounted at /mcp'); |
| 585 | if (!CANISTER_AUTH_SECRET) { |
| 586 | console.warn( |
| 587 | '[gateway] MCP /mcp: CANISTER_AUTH_SECRET is empty. Direct canister HTTP calls from hosted MCP (list_notes, get_note, write, enrich; summarize note fetches) send no X-Gateway-Auth and the canister returns GATEWAY_AUTH_REQUIRED. Set the same CANISTER_AUTH_SECRET as the Netlify gateway and as configured on the canister (admin_set_gateway_auth_secret), then pm2 restart with --update-env.' |
| 588 | ); |
| 589 | } |
| 590 | }).catch((e) => { |
| 591 | console.error('[gateway] MCP proxy failed to load:', e.message || e); |
| 592 | }); |
| 593 | } else if (process.env.NETLIFY) { |
| 594 | app.all('/mcp', (_req, res) => { |
| 595 | res.status(503).json({ |
| 596 | error: 'MCP endpoint requires a persistent server. Connect to the dedicated MCP host or use self-hosted deployment.', |
| 597 | code: 'MCP_NETLIFY_UNSUPPORTED', |
| 598 | docs: 'https://github.com/aaronrene/knowtation/blob/main/docs/AGENT-INTEGRATION.md', |
| 599 | }); |
| 600 | }); |
| 601 | } |
| 602 | |
| 603 | // Connect GitHub + Back up now: proxy to bridge when BRIDGE_URL is set (single origin for UI) |
| 604 | if (BRIDGE_URL) { |
| 605 | app.get('/api/v1/auth/github-connect', (req, res) => { |
| 606 | const q = new URLSearchParams(req.query).toString(); |
| 607 | res.redirect(`${BRIDGE_URL}/auth/github-connect${q ? '?' + q : ''}`); |
| 608 | }); |
| 609 | // Browsers send OPTIONS preflight before POST with Authorization + JSON body. The bridge only |
| 610 | // registers POST /api/v1/vault/sync, so proxying OPTIONS returns 404 and surfaces as "Failed to fetch". |
| 611 | app.all('/api/v1/vault/sync', async (req, res) => { |
| 612 | if (req.method === 'OPTIONS') { |
| 613 | return res.status(204).end(); |
| 614 | } |
| 615 | const url = BRIDGE_URL + '/api/v1/vault/sync' + (req.url.includes('?') ? req.url.slice(req.url.indexOf('?')) : ''); |
| 616 | await proxyTo(BRIDGE_URL, url, req, res); |
| 617 | }); |
| 618 | app.all('/api/v1/vaults/:vaultId', async (req, res) => { |
| 619 | if (req.method === 'OPTIONS') { |
| 620 | return res.status(204).end(); |
| 621 | } |
| 622 | if (req.method !== 'DELETE') { |
| 623 | return res.status(405).json({ error: 'Method not allowed', code: 'METHOD_NOT_ALLOWED' }); |
| 624 | } |
| 625 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 626 | const q = req.url.includes('?') ? req.url.slice(req.url.indexOf('?')) : ''; |
| 627 | const url = |
| 628 | BRIDGE_URL + '/api/v1/vaults/' + encodeURIComponent(req.params.vaultId) + q; |
| 629 | await proxyTo(BRIDGE_URL, url, req, res); |
| 630 | }); |
| 631 | app.get('/api/v1/vault/github-status', async (req, res) => { |
| 632 | const url = BRIDGE_URL + '/api/v1/vault/github-status' + (req.url.includes('?') ? req.url.slice(req.url.indexOf('?')) : ''); |
| 633 | await proxyTo(BRIDGE_URL, url, req, res); |
| 634 | }); |
| 635 | app.post('/api/v1/search', async (req, res) => { |
| 636 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 637 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/search', req, res); |
| 638 | }); |
| 639 | app.post('/api/v1/index', async (req, res) => { |
| 640 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 641 | const uid = getUserId(req); |
| 642 | const headers = { ...req.headers, host: new URL(BRIDGE_URL).host }; |
| 643 | delete headers.origin; |
| 644 | delete headers.referer; |
| 645 | const opts = { method: 'POST', headers }; |
| 646 | const payload = |
| 647 | req.body === undefined ? undefined : typeof req.body === 'string' ? req.body : JSON.stringify(req.body); |
| 648 | if (payload !== undefined) { |
| 649 | opts.body = payload; |
| 650 | stripStaleOutboundBodyHeaders(headers); |
| 651 | } |
| 652 | try { |
| 653 | const upstream = await fetch(BRIDGE_URL + '/api/v1/index', opts); |
| 654 | const body = await upstream.text(); |
| 655 | if (uid) await recordIndexingTokensAfterBridgeIndex(uid, upstream.status, body); |
| 656 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()); |
| 657 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 658 | res.send(body); |
| 659 | } catch (e) { |
| 660 | console.error('Gateway proxy (bridge) error:', e.message); |
| 661 | res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 662 | } |
| 663 | }); |
| 664 | // GET /api/v1/index/status — read-only sidecar describing the last successful |
| 665 | // index + whether a background job is currently in flight. Added in May 2026 |
| 666 | // alongside the auto-routing index path (PR #205) so the Hub UI can render |
| 667 | // `Last indexed: N minutes ago` next to the Re-index button. |
| 668 | // |
| 669 | // Auth scoping happens at the bridge (`requireBridgeAuth` + vault-scoping). |
| 670 | // We deliberately DO NOT run `runBillingGate` here — this is a passive read, |
| 671 | // not a billable index operation, and the Hub UI calls this on every page |
| 672 | // load (so charging would be both incorrect and abusive). |
| 673 | // |
| 674 | // See `test/gateway-index-status-proxy.test.mjs` for the contract test that |
| 675 | // prevents this handler from being silently removed. |
| 676 | app.get('/api/v1/index/status', async (req, res) => { |
| 677 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/index/status', req, res); |
| 678 | }); |
| 679 | // Roles & invites: proxy to bridge (bridge has persistent storage) |
| 680 | app.get('/api/v1/roles', requireAdmin, async (req, res) => { |
| 681 | await proxyTo(BRIDGE_URL, BRIDGE_URL + req.originalUrl, req, res); |
| 682 | }); |
| 683 | app.post('/api/v1/roles', requireAdmin, async (req, res) => { |
| 684 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/roles', req, res); |
| 685 | }); |
| 686 | app.post('/api/v1/roles/evaluator-may-approve', requireAdmin, async (req, res) => { |
| 687 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/roles/evaluator-may-approve', req, res); |
| 688 | }); |
| 689 | app.get('/api/v1/invites', requireAdmin, async (req, res) => { |
| 690 | await proxyTo(BRIDGE_URL, BRIDGE_URL + req.originalUrl, req, res); |
| 691 | }); |
| 692 | app.post('/api/v1/invites', requireAdmin, async (req, res) => { |
| 693 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/invites', req, res); |
| 694 | }); |
| 695 | app.delete('/api/v1/invites/:token', requireAdmin, async (req, res) => { |
| 696 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/invites/' + encodeURIComponent(req.params.token), req, res); |
| 697 | }); |
| 698 | app.post('/api/v1/invites/consume', (req, res, next) => { |
| 699 | const uid = getUserId(req); |
| 700 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 701 | next(); |
| 702 | }, async (req, res) => { |
| 703 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/invites/consume', req, res); |
| 704 | }); |
| 705 | app.get('/api/v1/workspace', requireAdmin, async (req, res) => { |
| 706 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/workspace', req, res); |
| 707 | }); |
| 708 | app.post('/api/v1/workspace', requireAdmin, async (req, res) => { |
| 709 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/workspace', req, res); |
| 710 | }); |
| 711 | app.get('/api/v1/vault-access', requireAdmin, async (req, res) => { |
| 712 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/vault-access', req, res); |
| 713 | }); |
| 714 | app.post('/api/v1/vault-access', requireAdmin, async (req, res) => { |
| 715 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/vault-access', req, res); |
| 716 | }); |
| 717 | app.get('/api/v1/scope', requireAdmin, async (req, res) => { |
| 718 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/scope', req, res); |
| 719 | }); |
| 720 | app.post('/api/v1/scope', requireAdmin, async (req, res) => { |
| 721 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/scope', req, res); |
| 722 | }); |
| 723 | app.get('/api/v1/hosted-context', async (req, res, next) => { |
| 724 | const uid = getUserId(req); |
| 725 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 726 | next(); |
| 727 | }, async (req, res) => { |
| 728 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/hosted-context', req, res); |
| 729 | }); |
| 730 | |
| 731 | // Memory routes: proxy to bridge (per-user/vault isolation handled by bridge) |
| 732 | app.get('/api/v1/memory/:key', async (req, res) => { |
| 733 | const q = req.url.includes('?') ? req.url.slice(req.url.indexOf('?')) : ''; |
| 734 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/' + encodeURIComponent(req.params.key) + q, req, res); |
| 735 | }); |
| 736 | app.post('/api/v1/memory/store', async (req, res) => { |
| 737 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/store', req, res); |
| 738 | }); |
| 739 | app.get('/api/v1/memory', async (req, res) => { |
| 740 | const q = req.url.includes('?') ? req.url.slice(req.url.indexOf('?')) : ''; |
| 741 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory' + q, req, res); |
| 742 | }); |
| 743 | app.post('/api/v1/memory/search', async (req, res) => { |
| 744 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/search', req, res); |
| 745 | }); |
| 746 | app.delete('/api/v1/memory/clear', async (req, res) => { |
| 747 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/clear', req, res); |
| 748 | }); |
| 749 | app.get('/api/v1/memory-stats', async (req, res) => { |
| 750 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory-stats', req, res); |
| 751 | }); |
| 752 | // Consolidation routes: proxy to bridge with billing gate on POST |
| 753 | app.post('/api/v1/memory/consolidate', async (req, res) => { |
| 754 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 755 | const uid = getUserId(req); |
| 756 | try { |
| 757 | const db = await loadBillingDb(); |
| 758 | const raw = db.users?.[uid] || defaultUserRecord(uid); |
| 759 | const u = normalizeBillingUser(raw); |
| 760 | req.body = mergeConsolidateRequestBodyWithBillingDefaults( |
| 761 | req.body && typeof req.body === 'object' ? req.body : {}, |
| 762 | u, |
| 763 | ); |
| 764 | } catch (_) { |
| 765 | /* fail open: bridge merges with billing file / defaults */ |
| 766 | } |
| 767 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/consolidate', req, res); |
| 768 | }); |
| 769 | app.get('/api/v1/memory/consolidate/status', async (req, res) => { |
| 770 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/memory/consolidate/status', req, res); |
| 771 | }); |
| 772 | |
| 773 | // Phase 18: image upload — gateway buffers the file, fetches GitHub token from bridge, |
| 774 | // then commits directly to GitHub (avoids forwarding a multipart body to another Lambda). |
| 775 | app.post(/^\/api\/v1\/notes\/(.+)\/upload-image$/, async (req, res) => { |
| 776 | const uid = getUserId(req); |
| 777 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 778 | |
| 779 | // 1. Get GitHub connection (token + repo) from bridge. |
| 780 | let ghToken, ghRepo; |
| 781 | try { |
| 782 | const tokenRes = await fetch(`${BRIDGE_URL}/api/v1/vault/github-token`, { |
| 783 | headers: { authorization: req.headers.authorization || '' }, |
| 784 | }); |
| 785 | if (!tokenRes.ok) { |
| 786 | const errData = await tokenRes.json().catch(() => ({})); |
| 787 | return res.status(tokenRes.status).json({ |
| 788 | error: errData.error || 'GitHub not connected', |
| 789 | code: errData.code || 'GITHUB_NOT_CONNECTED', |
| 790 | }); |
| 791 | } |
| 792 | const data = await tokenRes.json(); |
| 793 | ghToken = data.token; |
| 794 | ghRepo = data.repo; |
| 795 | } catch (e) { |
| 796 | return res.status(502).json({ error: 'Could not reach bridge', code: 'BAD_GATEWAY' }); |
| 797 | } |
| 798 | if (!ghToken) return res.status(400).json({ error: 'GitHub not connected', code: 'GITHUB_NOT_CONNECTED' }); |
| 799 | if (!ghRepo) return res.status(400).json({ error: 'GitHub repo not set. Back up once first to set the remote.', code: 'GITHUB_NOT_CONFIGURED' }); |
| 800 | |
| 801 | // 2. Buffer the uploaded file from the multipart body. |
| 802 | let fileBuffer, originalName, mimeType; |
| 803 | try { |
| 804 | const raw = await bufferImportRequestBody(req); |
| 805 | const ct = req.headers['content-type'] || ''; |
| 806 | const boundaryMatch = ct.match(/boundary=([^\s;]+)/i); |
| 807 | if (!boundaryMatch) return res.status(400).json({ error: 'Content-Type boundary missing', code: 'BAD_REQUEST' }); |
| 808 | const boundary = boundaryMatch[1]; |
| 809 | // Parse the first file part from the multipart body manually (avoids multer dependency). |
| 810 | const parsed = parseMultipartFile(raw, boundary); |
| 811 | if (!parsed) return res.status(400).json({ error: 'image file required', code: 'BAD_REQUEST' }); |
| 812 | fileBuffer = parsed.data; |
| 813 | originalName = parsed.filename || 'image.jpg'; |
| 814 | mimeType = parsed.contentType || 'application/octet-stream'; |
| 815 | } catch (e) { |
| 816 | return res.status(500).json({ error: 'Could not read upload body', code: 'INTERNAL_ERROR' }); |
| 817 | } |
| 818 | |
| 819 | // 3. Validate extension, content-type, and magic bytes. |
| 820 | try { validateImageExtension(originalName); } catch (e) { |
| 821 | return res.status(400).json({ error: e.message, code: 'BAD_REQUEST' }); |
| 822 | } |
| 823 | if (!mimeType.toLowerCase().startsWith('image/')) { |
| 824 | return res.status(400).json({ error: 'File content-type must be image/*', code: 'BAD_REQUEST' }); |
| 825 | } |
| 826 | const ext = originalName.split('.').pop().toLowerCase(); |
| 827 | const magicOk = validateMagicBytes(fileBuffer, ext); |
| 828 | if (!magicOk) { |
| 829 | return res.status(400).json({ error: 'File content does not match declared image type', code: 'BAD_REQUEST' }); |
| 830 | } |
| 831 | |
| 832 | // 4. Commit to GitHub directly from the gateway. |
| 833 | try { |
| 834 | const now = new Date(); |
| 835 | const yearMonth = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}`; |
| 836 | const safeName = originalName.replace(/[^a-zA-Z0-9._-]/g, '_').slice(0, 128); |
| 837 | const uniqueName = `${Date.now()}-${safeName}`; |
| 838 | const repoFilePath = `media/images/${yearMonth}/${uniqueName}`; |
| 839 | const result = await commitImageToRepo({ |
| 840 | accessToken: ghToken, |
| 841 | repoUrl: ghRepo, |
| 842 | filePath: repoFilePath, |
| 843 | fileBuffer, |
| 844 | commitMessage: `Add image: ${safeName}`, |
| 845 | }); |
| 846 | return res.json({ |
| 847 | url: result.url, |
| 848 | inserted_markdown: ``, |
| 849 | sha: result.sha, |
| 850 | repo_path: repoFilePath, |
| 851 | repo_private: result.isPrivate === true, |
| 852 | }); |
| 853 | } catch (e) { |
| 854 | const msg = e.message || String(e); |
| 855 | const clientErr = /not found|not connected|lacks permission|lacks repo|Reconnect|scope|remote/i.test(msg); |
| 856 | return res.status(clientErr ? 400 : 500).json({ error: msg, code: clientErr ? 'BAD_REQUEST' : 'RUNTIME_ERROR' }); |
| 857 | } |
| 858 | }); |
| 859 | |
| 860 | app.get('/api/v1/vault/image-proxy-token', (req, res) => { |
| 861 | const uid = getUserId(req); |
| 862 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 863 | if (!SESSION_SECRET) return res.status(503).json({ error: 'Not configured', code: 'NOT_CONFIGURED' }); |
| 864 | const token = signImageProxyToken(SESSION_SECRET, uid); |
| 865 | res.json({ token, expires_in: IMAGE_PROXY_TOKEN_TTL_SECONDS }); |
| 866 | }); |
| 867 | |
| 868 | app.get('/api/v1/vault/image-proxy', async (req, res) => { |
| 869 | const auth = req.headers.authorization || ''; |
| 870 | const headerToken = auth.startsWith('Bearer ') ? auth.slice(7) : null; |
| 871 | const queryToken = typeof req.query.token === 'string' ? req.query.token : null; |
| 872 | let uid = headerToken ? getUserId({ headers: { authorization: `Bearer ${headerToken}` } }) : null; |
| 873 | let jwtTokenForBridge = headerToken || ''; |
| 874 | if (!uid && queryToken && SESSION_SECRET) { |
| 875 | uid = verifyImageProxyToken(SESSION_SECRET, queryToken); |
| 876 | } |
| 877 | // Backward compat: old hub.js sends full JWT as ?token= (pre-signed-token change). |
| 878 | if (!uid && queryToken) { |
| 879 | const fromJwt = getUserId({ headers: { authorization: `Bearer ${queryToken}` } }); |
| 880 | if (fromJwt) { uid = fromJwt; jwtTokenForBridge = queryToken; } |
| 881 | } |
| 882 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 883 | |
| 884 | // When uid is known but no JWT to forward (HMAC token auth path), mint a |
| 885 | // short-lived gateway JWT so the bridge can identify the user. |
| 886 | if (!jwtTokenForBridge && SESSION_SECRET) { |
| 887 | try { jwtTokenForBridge = jwt.sign({ sub: uid }, SESSION_SECRET, { expiresIn: '5m' }); } catch (_) {} |
| 888 | } |
| 889 | |
| 890 | const rawUrl = typeof req.query.url === 'string' ? req.query.url : ''; |
| 891 | if (!rawUrl) return res.status(400).json({ error: 'url parameter required', code: 'BAD_REQUEST' }); |
| 892 | |
| 893 | // Only proxy raw.githubusercontent.com URLs to prevent SSRF. |
| 894 | const rawMatch = rawUrl.match( |
| 895 | /^https:\/\/raw\.githubusercontent\.com\/([^/]+)\/([^/]+)\/([^/]+)\/(.+)$/i, |
| 896 | ); |
| 897 | if (!rawMatch) { |
| 898 | return res.status(400).json({ error: 'Only raw.githubusercontent.com URLs are supported', code: 'BAD_REQUEST' }); |
| 899 | } |
| 900 | const [, owner, repo, ref, filePath] = rawMatch; |
| 901 | |
| 902 | let ghToken = null; |
| 903 | if (jwtTokenForBridge) { |
| 904 | try { |
| 905 | const tokenRes = await fetch(`${BRIDGE_URL}/api/v1/vault/github-token`, { |
| 906 | headers: { authorization: `Bearer ${jwtTokenForBridge}` }, |
| 907 | }); |
| 908 | if (tokenRes.ok) { |
| 909 | const data = await tokenRes.json(); |
| 910 | ghToken = data.token || null; |
| 911 | } |
| 912 | } catch (_) { /* bridge unreachable — fall through, public repos still work */ } |
| 913 | } |
| 914 | |
| 915 | if (!ghToken) { |
| 916 | // No stored GitHub token — assume the repo is public and redirect directly. |
| 917 | return res.redirect(302, rawUrl); |
| 918 | } |
| 919 | |
| 920 | // Use the GitHub Contents API to get a signed, short-lived download_url for the file. |
| 921 | // This avoids sending the PAT in the redirect URL while still letting private-repo images load. |
| 922 | const apiUrl = |
| 923 | `https://api.github.com/repos/${owner}/${repo}/contents/${filePath}` + |
| 924 | `?ref=${encodeURIComponent(ref)}`; |
| 925 | try { |
| 926 | const apiRes = await fetch(apiUrl, { |
| 927 | headers: { |
| 928 | Authorization: `token ${ghToken}`, |
| 929 | Accept: 'application/vnd.github.v3+json', |
| 930 | 'User-Agent': 'Knowtation-Hub/1.0', |
| 931 | }, |
| 932 | }); |
| 933 | if (apiRes.ok) { |
| 934 | const data = await apiRes.json(); |
| 935 | const dlUrl = data.download_url || rawUrl; |
| 936 | res.setHeader('Cache-Control', 'private, max-age=300'); |
| 937 | return res.redirect(302, dlUrl); |
| 938 | } |
| 939 | // GitHub returned an error (e.g. 404 file missing, 403 large-file). |
| 940 | const errBody = await apiRes.json().catch(() => ({})); |
| 941 | return res.status(apiRes.status).json({ |
| 942 | error: errBody.message || 'Image not found on GitHub', |
| 943 | code: 'UPSTREAM_ERROR', |
| 944 | }); |
| 945 | } catch (e) { |
| 946 | return res.status(502).json({ error: 'Failed to fetch image metadata from GitHub', code: 'BAD_GATEWAY' }); |
| 947 | } |
| 948 | }); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Safe client request headers that may be forwarded to upstream services. |
| 953 | * Using an explicit allowlist prevents host-header injection, internal proxy header leakage, |
| 954 | * and forwarding of security-sensitive headers (cookies, x-forwarded-for, etc.) to upstreams. |
| 955 | */ |
| 956 | const PROXY_HEADER_ALLOWLIST = new Set([ |
| 957 | 'content-type', |
| 958 | 'accept', |
| 959 | 'accept-language', |
| 960 | 'accept-encoding', |
| 961 | ]); |
| 962 | |
| 963 | /** |
| 964 | * Incoming headers describe the *client* body. We often re-serialize JSON (provenance merge), so |
| 965 | * length and transfer-related headers must not be forwarded: Undici can hang or mis-send if |
| 966 | * Content-Length still matches the old, shorter body. |
| 967 | */ |
| 968 | function stripStaleOutboundBodyHeaders(headers) { |
| 969 | for (const k of Object.keys(headers)) { |
| 970 | const l = k.toLowerCase(); |
| 971 | if ( |
| 972 | l === 'content-length' || |
| 973 | l === 'transfer-encoding' || |
| 974 | l === 'content-encoding' |
| 975 | ) { |
| 976 | delete headers[k]; |
| 977 | } |
| 978 | } |
| 979 | } |
| 980 | |
| 981 | async function proxyTo(baseUrl, url, req, res) { |
| 982 | const headers = { host: new URL(baseUrl).host }; |
| 983 | // Allowlist: only forward safe headers; also forward authorization for bridge JWT auth |
| 984 | // and x-vault-id for vault routing. Never forward origin, referer, cookies, or proxy headers. |
| 985 | for (const k of PROXY_HEADER_ALLOWLIST) { |
| 986 | if (req.headers[k] !== undefined) headers[k] = req.headers[k]; |
| 987 | } |
| 988 | if (req.headers.authorization) headers.authorization = req.headers.authorization; |
| 989 | if (req.headers['x-vault-id']) headers['x-vault-id'] = req.headers['x-vault-id']; |
| 990 | const opts = { method: req.method, headers }; |
| 991 | if (req.method !== 'GET' && req.method !== 'HEAD' && req.body !== undefined) { |
| 992 | opts.body = typeof req.body === 'string' ? req.body : JSON.stringify(req.body); |
| 993 | stripStaleOutboundBodyHeaders(headers); |
| 994 | } |
| 995 | try { |
| 996 | const upstream = await fetch(url, opts); |
| 997 | const body = await upstream.text(); |
| 998 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()); |
| 999 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 1000 | res.send(body); |
| 1001 | } catch (e) { |
| 1002 | console.error('Gateway proxy (bridge) error:', e.message); |
| 1003 | res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | /** |
| 1008 | * Read multipart/raw POST body for import proxy. |
| 1009 | * Netlify (serverless-http) attaches the Lambda body as Buffer on `req.body` and uses a synthetic stream; |
| 1010 | * `fetch(req, { duplex })` is unreliable there — always buffer then POST bytes. |
| 1011 | * @param {import('express').Request} req |
| 1012 | * @returns {Promise<Buffer>} |
| 1013 | */ |
| 1014 | async function bufferImportRequestBody(req) { |
| 1015 | if (Buffer.isBuffer(req.body)) return req.body; |
| 1016 | if (req.body instanceof Uint8Array) return Buffer.from(req.body); |
| 1017 | if (typeof req.body === 'string') return Buffer.from(req.body, 'latin1'); |
| 1018 | const chunks = []; |
| 1019 | for await (const chunk of req) { |
| 1020 | chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk)); |
| 1021 | } |
| 1022 | return Buffer.concat(chunks); |
| 1023 | } |
| 1024 | |
| 1025 | |
| 1026 | /** |
| 1027 | * Multipart import: forward body bytes to bridge (do not use proxyTo — body is not JSON in req.body). |
| 1028 | * @param {string} _baseUrl - bridge origin (reserved for diagnostics; fetch URL is `url`) |
| 1029 | * @param {string} url - full URL to bridge /api/v1/import |
| 1030 | * @param {import('express').Request} req |
| 1031 | * @param {import('express').Response} res |
| 1032 | */ |
| 1033 | async function proxyImportToBridge(_baseUrl, url, req, res) { |
| 1034 | let raw; |
| 1035 | try { |
| 1036 | raw = await bufferImportRequestBody(req); |
| 1037 | } catch (e) { |
| 1038 | console.error('Gateway import proxy (read body):', e.message || e); |
| 1039 | return res.status(500).json({ error: 'Could not read upload body', code: 'INTERNAL_ERROR' }); |
| 1040 | } |
| 1041 | if (!raw.length) { |
| 1042 | return res.status(400).json({ error: 'Empty upload body', code: 'BAD_REQUEST' }); |
| 1043 | } |
| 1044 | // Do not set `Host` manually — undici derives it from the request URL; a wrong Host breaks some upstreams. |
| 1045 | const headers = { |
| 1046 | authorization: req.headers.authorization || '', |
| 1047 | 'x-vault-id': String(req.headers['x-vault-id'] || 'default'), |
| 1048 | }; |
| 1049 | const ct = req.headers['content-type']; |
| 1050 | if (ct) headers['content-type'] = ct; |
| 1051 | headers['content-length'] = String(raw.length); |
| 1052 | let upstream; |
| 1053 | try { |
| 1054 | upstream = await fetch(url, { |
| 1055 | method: 'POST', |
| 1056 | headers, |
| 1057 | body: raw, |
| 1058 | }); |
| 1059 | } catch (e) { |
| 1060 | console.error('Gateway import proxy error:', e.message, e.cause); |
| 1061 | const detail = e.cause?.message || e.message || String(e); |
| 1062 | return res.status(502).json({ |
| 1063 | error: 'Bad Gateway', |
| 1064 | code: 'BAD_GATEWAY', |
| 1065 | detail, |
| 1066 | }); |
| 1067 | } |
| 1068 | const body = await upstream.text(); |
| 1069 | const upstreamCt = upstream.headers.get('content-type') || ''; |
| 1070 | if ( |
| 1071 | upstream.status >= 400 && |
| 1072 | !/application\/json/i.test(upstreamCt) && |
| 1073 | body.trimStart().startsWith('<') |
| 1074 | ) { |
| 1075 | return res.status(upstream.status).json({ |
| 1076 | error: 'Import service returned a non-JSON error (check bridge Netlify function logs).', |
| 1077 | code: 'BAD_GATEWAY', |
| 1078 | detail: `HTTP ${upstream.status}`, |
| 1079 | }); |
| 1080 | } |
| 1081 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()); |
| 1082 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 1083 | res.send(body); |
| 1084 | } |
| 1085 | |
| 1086 | // Proxy /api/* to canister with X-User-Id from JWT |
| 1087 | function getUserId(req) { |
| 1088 | const auth = req.headers.authorization; |
| 1089 | const token = auth && auth.startsWith('Bearer ') ? auth.slice(7) : null; |
| 1090 | return token ? verifyToken(token) : null; |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * Validate a hosted SectionSource note path before any upstream fetch. |
| 1095 | * @param {unknown} rawPath |
| 1096 | * @returns {string} |
| 1097 | */ |
| 1098 | function normalizeGatewaySectionSourcePath(rawPath) { |
| 1099 | if (typeof rawPath !== 'string' || rawPath.trim() === '') { |
| 1100 | throw new Error('Invalid path'); |
| 1101 | } |
| 1102 | const forward = rawPath.trim().replace(/\\/g, '/'); |
| 1103 | if (forward.startsWith('/') || /^[A-Za-z]:\//.test(forward)) { |
| 1104 | throw new Error('Invalid path'); |
| 1105 | } |
| 1106 | const parts = forward.split('/').filter(Boolean); |
| 1107 | if (parts.includes('..')) { |
| 1108 | throw new Error('Invalid path'); |
| 1109 | } |
| 1110 | return parts.join('/'); |
| 1111 | } |
| 1112 | |
| 1113 | /** |
| 1114 | * Validate a hosted NoteOutline note path before any upstream fetch. |
| 1115 | * @param {unknown} rawPath |
| 1116 | * @returns {string} |
| 1117 | */ |
| 1118 | function normalizeGatewayNoteOutlinePath(rawPath) { |
| 1119 | return normalizeGatewaySectionSourcePath(rawPath); |
| 1120 | } |
| 1121 | |
| 1122 | /** |
| 1123 | * Validate a hosted DocumentTree note path before any upstream fetch. |
| 1124 | * @param {unknown} rawPath |
| 1125 | * @returns {string} |
| 1126 | */ |
| 1127 | function normalizeGatewayDocumentTreePath(rawPath) { |
| 1128 | return normalizeGatewaySectionSourcePath(rawPath); |
| 1129 | } |
| 1130 | |
| 1131 | /** |
| 1132 | * Validate a hosted MetadataFacets note path before any upstream fetch. |
| 1133 | * @param {unknown} rawPath |
| 1134 | * @returns {string} |
| 1135 | */ |
| 1136 | function normalizeGatewayMetadataFacetsPath(rawPath) { |
| 1137 | return normalizeGatewaySectionSourcePath(rawPath); |
| 1138 | } |
| 1139 | |
| 1140 | /** |
| 1141 | * @param {unknown} error |
| 1142 | */ |
| 1143 | function sanitizedSectionSourceGatewayError(error) { |
| 1144 | const msg = error?.message || String(error ?? ''); |
| 1145 | if (/^Invalid path\b/.test(msg)) return { status: 400, error: 'Invalid path', code: 'INVALID_PATH' }; |
| 1146 | return { status: 502, error: 'Bad Gateway', code: 'BAD_GATEWAY' }; |
| 1147 | } |
| 1148 | |
| 1149 | /** |
| 1150 | * @param {unknown} error |
| 1151 | */ |
| 1152 | function sanitizedNoteOutlineGatewayError(error) { |
| 1153 | return sanitizedSectionSourceGatewayError(error); |
| 1154 | } |
| 1155 | |
| 1156 | /** |
| 1157 | * @param {unknown} error |
| 1158 | */ |
| 1159 | function sanitizedDocumentTreeGatewayError(error) { |
| 1160 | return sanitizedSectionSourceGatewayError(error); |
| 1161 | } |
| 1162 | |
| 1163 | /** |
| 1164 | * @param {unknown} error |
| 1165 | */ |
| 1166 | function sanitizedMetadataFacetsGatewayError(error) { |
| 1167 | return sanitizedSectionSourceGatewayError(error); |
| 1168 | } |
| 1169 | |
| 1170 | const hostedCtxCache = new Map(); |
| 1171 | const HOSTED_CTX_TTL_MS = 60_000; |
| 1172 | const HOSTED_CONTEXT_FETCH_TIMEOUT_MS = (() => { |
| 1173 | const n = parseInt(String(process.env.HOSTED_CONTEXT_FETCH_TIMEOUT_MS || ''), 10); |
| 1174 | if (!Number.isFinite(n)) return 3000; |
| 1175 | return Math.min(10_000, Math.max(250, n)); |
| 1176 | })(); |
| 1177 | |
| 1178 | function hostedContextAbortSignal() { |
| 1179 | return typeof AbortSignal !== 'undefined' && typeof AbortSignal.timeout === 'function' |
| 1180 | ? AbortSignal.timeout(HOSTED_CONTEXT_FETCH_TIMEOUT_MS) |
| 1181 | : undefined; |
| 1182 | } |
| 1183 | |
| 1184 | /** |
| 1185 | * Bridge-hosted team context (vault allowlist + scope + effective canister user). Cached briefly per (sub, vaultId). |
| 1186 | * @param {import('express').Request} req |
| 1187 | * @returns {Promise<Record<string, unknown>|null>} |
| 1188 | */ |
| 1189 | async function getHostedAccessContext(req) { |
| 1190 | if (!BRIDGE_URL) return null; |
| 1191 | const auth = req.headers.authorization; |
| 1192 | if (!auth || !auth.startsWith('Bearer ')) return null; |
| 1193 | const sub = getUserId(req); |
| 1194 | if (!sub) return null; |
| 1195 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 1196 | const cacheKey = `${sub}\0${vaultId}`; |
| 1197 | const now = Date.now(); |
| 1198 | const hit = hostedCtxCache.get(cacheKey); |
| 1199 | if (hit && hit.expires > now) return hit.data; |
| 1200 | try { |
| 1201 | const signal = hostedContextAbortSignal(); |
| 1202 | const r = await fetch(BRIDGE_URL + '/api/v1/hosted-context', { |
| 1203 | method: 'GET', |
| 1204 | headers: { |
| 1205 | Authorization: auth, |
| 1206 | Accept: 'application/json', |
| 1207 | 'X-Vault-Id': vaultId, |
| 1208 | }, |
| 1209 | ...(signal ? { signal } : {}), |
| 1210 | }); |
| 1211 | if (!r.ok) return null; |
| 1212 | const data = await r.json(); |
| 1213 | if (data && data.error && !data.effective_canister_user_id) return null; |
| 1214 | hostedCtxCache.set(cacheKey, { expires: now + HOSTED_CTX_TTL_MS, data }); |
| 1215 | return data; |
| 1216 | } catch (_) { |
| 1217 | return null; |
| 1218 | } |
| 1219 | } |
| 1220 | |
| 1221 | /** |
| 1222 | * Hosted team context for an explicit vault (e.g. cross-vault copy source/target checks). |
| 1223 | * @param {string} authorization Bearer JWT |
| 1224 | * @param {string} vaultId |
| 1225 | * @returns {Promise<Record<string, unknown>|null>} |
| 1226 | */ |
| 1227 | async function fetchHostedAccessContextForVault(authorization, vaultId) { |
| 1228 | if (!BRIDGE_URL || !authorization || !authorization.startsWith('Bearer ')) return null; |
| 1229 | const token = authorization.slice(7); |
| 1230 | const sub = verifyToken(token); |
| 1231 | if (!sub) return null; |
| 1232 | const vid = String(vaultId || 'default').trim() || 'default'; |
| 1233 | const cacheKey = `${sub}\0${vid}`; |
| 1234 | const now = Date.now(); |
| 1235 | const hit = hostedCtxCache.get(cacheKey); |
| 1236 | if (hit && hit.expires > now) return hit.data; |
| 1237 | try { |
| 1238 | const signal = hostedContextAbortSignal(); |
| 1239 | const r = await fetch(BRIDGE_URL + '/api/v1/hosted-context', { |
| 1240 | method: 'GET', |
| 1241 | headers: { |
| 1242 | Authorization: authorization, |
| 1243 | Accept: 'application/json', |
| 1244 | 'X-Vault-Id': vid, |
| 1245 | }, |
| 1246 | ...(signal ? { signal } : {}), |
| 1247 | }); |
| 1248 | if (!r.ok) return null; |
| 1249 | const data = await r.json(); |
| 1250 | if (data && data.error && !data.effective_canister_user_id) return null; |
| 1251 | hostedCtxCache.set(cacheKey, { expires: now + HOSTED_CTX_TTL_MS, data }); |
| 1252 | return data; |
| 1253 | } catch (_) { |
| 1254 | return null; |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | const metadataBulkHandlers = createMetadataBulkHandlers({ |
| 1259 | CANISTER_URL, |
| 1260 | CANISTER_AUTH_SECRET, |
| 1261 | BRIDGE_URL, |
| 1262 | SESSION_SECRET: SESSION_SECRET || '', |
| 1263 | getUserId, |
| 1264 | getHostedAccessContext, |
| 1265 | }); |
| 1266 | |
| 1267 | app.get('/api/v1/billing/summary', (req, res) => handleBillingSummary(req, res, getUserId)); |
| 1268 | |
| 1269 | /** |
| 1270 | * POST /api/v1/admin/billing/repair |
| 1271 | * |
| 1272 | * Admin-only endpoint to directly write billing tier and Stripe linkage fields for a user. |
| 1273 | * Used to recover from missed or unprocessable Stripe webhook deliveries (e.g. webhook pointed |
| 1274 | * at old URL, checkout session never had user_id metadata, billing DB was empty on a new deploy). |
| 1275 | * |
| 1276 | * Auth: Bearer JWT with admin role (sub must be in HUB_ADMIN_USER_IDS env var). |
| 1277 | * Body: { uid?, tier, stripe_subscription_id?, stripe_customer_id?, has_active_subscription? } |
| 1278 | * - uid: target Knowtation user ID (defaults to the calling admin's own uid) |
| 1279 | * - tier: required — one of: free | beta | plus | growth | pro | starter | team |
| 1280 | * - stripe_subscription_id: if provided (non-null), also sets has_active_subscription = true |
| 1281 | * - has_active_subscription: optional boolean override; when omitted, defaults to true |
| 1282 | * whenever a non-null stripe_subscription_id is supplied, and no-op otherwise |
| 1283 | * - stripe_customer_id: if provided, links the user to their Stripe customer so future |
| 1284 | * webhook events (subscription.updated, etc.) can find them |
| 1285 | * |
| 1286 | * All mutations are logged. This endpoint does NOT create a Stripe subscription — it only |
| 1287 | * repairs the local billing DB record. |
| 1288 | */ |
| 1289 | const VALID_REPAIR_TIERS = new Set(['free', 'beta', 'plus', 'growth', 'pro', 'starter', 'team']); |
| 1290 | |
| 1291 | app.post('/api/v1/admin/billing/repair', async (req, res) => { |
| 1292 | const callerUid = getUserId(req); |
| 1293 | if (!callerUid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1294 | if (roleForSub(callerUid) !== 'admin') return res.status(403).json({ error: 'Forbidden', code: 'FORBIDDEN' }); |
| 1295 | |
| 1296 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 1297 | const targetUid = typeof body.uid === 'string' && body.uid.trim() ? body.uid.trim() : callerUid; |
| 1298 | const tier = typeof body.tier === 'string' ? body.tier.trim() : ''; |
| 1299 | |
| 1300 | if (!VALID_REPAIR_TIERS.has(tier)) { |
| 1301 | return res.status(400).json({ |
| 1302 | error: 'Invalid or missing tier', |
| 1303 | code: 'BAD_REQUEST', |
| 1304 | valid_tiers: [...VALID_REPAIR_TIERS], |
| 1305 | }); |
| 1306 | } |
| 1307 | |
| 1308 | const stripeSubId = |
| 1309 | typeof body.stripe_subscription_id === 'string' ? body.stripe_subscription_id.trim() || null : undefined; |
| 1310 | const stripeCustomerId = |
| 1311 | typeof body.stripe_customer_id === 'string' ? body.stripe_customer_id.trim() || null : undefined; |
| 1312 | // Explicit override: caller may pass has_active_subscription=false to deactivate. |
| 1313 | // When stripe_subscription_id is provided: truthy value → true, null (cleared) → false. |
| 1314 | // When stripe_subscription_id is omitted entirely: no-op (undefined). |
| 1315 | const hasActiveSub = |
| 1316 | typeof body.has_active_subscription === 'boolean' |
| 1317 | ? body.has_active_subscription |
| 1318 | : stripeSubId !== undefined |
| 1319 | ? (stripeSubId !== null) |
| 1320 | : undefined; |
| 1321 | |
| 1322 | let before; |
| 1323 | try { |
| 1324 | await mutateBillingDb((db) => { |
| 1325 | if (!db.users[targetUid]) db.users[targetUid] = defaultUserRecord(targetUid); |
| 1326 | const u = db.users[targetUid]; |
| 1327 | before = { |
| 1328 | tier: u.tier, |
| 1329 | has_active_subscription: u.has_active_subscription, |
| 1330 | stripe_subscription_id: u.stripe_subscription_id, |
| 1331 | stripe_customer_id: u.stripe_customer_id, |
| 1332 | }; |
| 1333 | u.tier = tier; |
| 1334 | if (MONTHLY_INCLUDED_CENTS_BY_TIER[tier] !== undefined) { |
| 1335 | u.monthly_included_cents = MONTHLY_INCLUDED_CENTS_BY_TIER[tier]; |
| 1336 | } |
| 1337 | if (stripeSubId !== undefined) u.stripe_subscription_id = stripeSubId; |
| 1338 | if (stripeCustomerId !== undefined) u.stripe_customer_id = stripeCustomerId; |
| 1339 | if (hasActiveSub !== undefined) u.has_active_subscription = hasActiveSub; |
| 1340 | }); |
| 1341 | } catch (e) { |
| 1342 | console.error('[admin/billing/repair] mutateBillingDb failed:', e?.message); |
| 1343 | return res.status(500).json({ error: 'Internal Server Error', code: 'INTERNAL' }); |
| 1344 | } |
| 1345 | |
| 1346 | console.log( |
| 1347 | `[admin/billing/repair] caller=${callerUid} target=${targetUid}` + |
| 1348 | ` tier: ${before?.tier} → ${tier}` + |
| 1349 | (hasActiveSub !== undefined ? ` has_active_subscription: ${before?.has_active_subscription} → ${hasActiveSub}` : '') + |
| 1350 | (stripeSubId !== undefined ? ` sub: ${before?.stripe_subscription_id} → ${stripeSubId}` : '') + |
| 1351 | (stripeCustomerId !== undefined ? ` cus: ${before?.stripe_customer_id} → ${stripeCustomerId}` : ''), |
| 1352 | ); |
| 1353 | |
| 1354 | return res.json({ |
| 1355 | ok: true, |
| 1356 | uid: targetUid, |
| 1357 | tier, |
| 1358 | has_active_subscription: hasActiveSub !== undefined ? hasActiveSub : '(unchanged)', |
| 1359 | stripe_subscription_id: stripeSubId !== undefined ? stripeSubId : '(unchanged)', |
| 1360 | stripe_customer_id: stripeCustomerId !== undefined ? stripeCustomerId : '(unchanged)', |
| 1361 | before, |
| 1362 | }); |
| 1363 | }); |
| 1364 | |
| 1365 | /** |
| 1366 | * POST /api/v1/billing/checkout |
| 1367 | * Body: { price_id, success_url, cancel_url } OR { tier, success_url, cancel_url } |
| 1368 | * Returns: { url } — Stripe Checkout Session URL. |
| 1369 | * mode is automatically determined: subscription for tiers, payment for token packs. |
| 1370 | */ |
| 1371 | app.post('/api/v1/billing/checkout', async (req, res) => { |
| 1372 | const uid = getUserId(req); |
| 1373 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1374 | |
| 1375 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 1376 | let priceId = typeof body.price_id === 'string' ? body.price_id.trim() : null; |
| 1377 | |
| 1378 | if (!priceId && typeof body.tier === 'string') { |
| 1379 | priceId = priceIdFromTierShorthand(body.tier.trim()); |
| 1380 | if (!priceId) { |
| 1381 | return res.status(400).json({ |
| 1382 | error: `Unknown tier '${body.tier}' or Stripe price env var not configured.`, |
| 1383 | code: 'BAD_REQUEST', |
| 1384 | }); |
| 1385 | } |
| 1386 | } |
| 1387 | |
| 1388 | if (!priceId && typeof body.pack_size === 'string') { |
| 1389 | const packSizeMap = { |
| 1390 | small: process.env.STRIPE_PRICE_PACK_10 || null, |
| 1391 | medium: process.env.STRIPE_PRICE_PACK_25 || null, |
| 1392 | large: process.env.STRIPE_PRICE_PACK_50 || null, |
| 1393 | }; |
| 1394 | priceId = packSizeMap[body.pack_size.toLowerCase()] || null; |
| 1395 | if (!priceId) { |
| 1396 | return res.status(400).json({ |
| 1397 | error: `Unknown pack_size '${body.pack_size}' or Stripe pack price env var not configured.`, |
| 1398 | code: 'BAD_REQUEST', |
| 1399 | }); |
| 1400 | } |
| 1401 | } |
| 1402 | |
| 1403 | if (!priceId) { |
| 1404 | return res.status(400).json({ error: 'price_id, tier, or pack_size is required', code: 'BAD_REQUEST' }); |
| 1405 | } |
| 1406 | |
| 1407 | const isSub = isSubscriptionPriceId(priceId); |
| 1408 | const isPack = isPackPriceId(priceId); |
| 1409 | |
| 1410 | if (!isSub && !isPack) { |
| 1411 | return res.status(400).json({ |
| 1412 | error: 'price_id is not a recognised Knowtation subscription or token pack price.', |
| 1413 | code: 'BAD_REQUEST', |
| 1414 | }); |
| 1415 | } |
| 1416 | |
| 1417 | const mode = isSub ? 'subscription' : 'payment'; |
| 1418 | |
| 1419 | const rawSuccessUrl = typeof body.success_url === 'string' ? body.success_url.trim() : ''; |
| 1420 | const rawCancelUrl = typeof body.cancel_url === 'string' ? body.cancel_url.trim() : ''; |
| 1421 | |
| 1422 | const fallbackBase = HUB_UI_ORIGIN || BASE_URL; |
| 1423 | const successUrl = rawSuccessUrl || `${fallbackBase}/hub/#settings`; |
| 1424 | const cancelUrl = rawCancelUrl || `${fallbackBase}/hub/#settings`; |
| 1425 | |
| 1426 | try { |
| 1427 | const { url } = await createCheckoutSession({ |
| 1428 | priceId, |
| 1429 | userId: uid, |
| 1430 | successUrl, |
| 1431 | cancelUrl, |
| 1432 | mode, |
| 1433 | stripeCustomerId: null, |
| 1434 | }); |
| 1435 | return res.json({ url }); |
| 1436 | } catch (e) { |
| 1437 | const code = e.code || 'STRIPE_ERROR'; |
| 1438 | if (code === 'NOT_CONFIGURED') { |
| 1439 | return res.status(503).json({ error: e.message, code }); |
| 1440 | } |
| 1441 | console.error('[billing/checkout] Stripe error:', e.message); |
| 1442 | return res.status(502).json({ error: e.message || 'Stripe checkout failed', code }); |
| 1443 | } |
| 1444 | }); |
| 1445 | |
| 1446 | /** |
| 1447 | * POST /api/v1/billing/portal |
| 1448 | * Body: { return_url? } |
| 1449 | * Returns: { url } — Stripe Billing Portal session URL. |
| 1450 | */ |
| 1451 | app.post('/api/v1/billing/portal', async (req, res) => { |
| 1452 | const uid = getUserId(req); |
| 1453 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1454 | |
| 1455 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 1456 | const rawReturnUrl = typeof body.return_url === 'string' ? body.return_url.trim() : ''; |
| 1457 | const fallbackBase = HUB_UI_ORIGIN || BASE_URL; |
| 1458 | const returnUrl = rawReturnUrl || `${fallbackBase}/hub/#settings`; |
| 1459 | |
| 1460 | try { |
| 1461 | const { url } = await createPortalSession({ userId: uid, returnUrl }); |
| 1462 | return res.json({ url }); |
| 1463 | } catch (e) { |
| 1464 | const code = e.code || 'STRIPE_ERROR'; |
| 1465 | if (code === 'NOT_CONFIGURED') { |
| 1466 | return res.status(503).json({ error: e.message, code }); |
| 1467 | } |
| 1468 | console.error('[billing/portal] Stripe error:', e.message); |
| 1469 | return res.status(502).json({ error: e.message || 'Stripe portal failed', code }); |
| 1470 | } |
| 1471 | }); |
| 1472 | |
| 1473 | // GET /api/v1/settings and GET /api/v1/setup — hosted: vault_list from canister; bridge fields when BRIDGE_URL set |
| 1474 | app.get('/api/v1/settings', async (req, res) => { |
| 1475 | const uid = getUserId(req); |
| 1476 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1477 | let vault_list = [{ id: 'default', label: 'Default' }]; |
| 1478 | let allowed_vault_ids = ['default']; |
| 1479 | let canisterVaultUserId = uid; |
| 1480 | /** @type {string|null} */ |
| 1481 | let workspace_owner_id = null; |
| 1482 | let hosted_delegating = false; |
| 1483 | /** @type {string[]|null} */ |
| 1484 | let allowedFromBridge = null; |
| 1485 | if (BRIDGE_URL && req.headers.authorization) { |
| 1486 | try { |
| 1487 | const signal = hostedContextAbortSignal(); |
| 1488 | const hRes = await fetch(BRIDGE_URL + '/api/v1/hosted-context/settings', { |
| 1489 | method: 'GET', |
| 1490 | headers: { |
| 1491 | Authorization: req.headers.authorization, |
| 1492 | Accept: 'application/json', |
| 1493 | }, |
| 1494 | ...(signal ? { signal } : {}), |
| 1495 | }); |
| 1496 | if (hRes.ok) { |
| 1497 | const hc = await hRes.json(); |
| 1498 | if (hc.effective_canister_user_id && typeof hc.effective_canister_user_id === 'string') { |
| 1499 | canisterVaultUserId = hc.effective_canister_user_id; |
| 1500 | } |
| 1501 | if (Array.isArray(hc.allowed_vault_ids) && hc.allowed_vault_ids.length > 0) { |
| 1502 | allowedFromBridge = hc.allowed_vault_ids.map((x) => String(x)); |
| 1503 | } |
| 1504 | if (hc.workspace_owner_id != null && String(hc.workspace_owner_id).trim() !== '') { |
| 1505 | workspace_owner_id = String(hc.workspace_owner_id).trim(); |
| 1506 | } |
| 1507 | if (hc.delegating === true) hosted_delegating = true; |
| 1508 | } else if (hRes.status === 403) { |
| 1509 | allowedFromBridge = []; |
| 1510 | } |
| 1511 | } catch (_) { |
| 1512 | /* use uid-only fallback */ |
| 1513 | } |
| 1514 | } |
| 1515 | if (CANISTER_URL) { |
| 1516 | try { |
| 1517 | const signal = hostedContextAbortSignal(); |
| 1518 | const vRes = await fetch(CANISTER_URL + '/api/v1/vaults', { |
| 1519 | method: 'GET', |
| 1520 | headers: { 'X-User-Id': canisterVaultUserId, Accept: 'application/json', ...canisterAuthHeaders() }, |
| 1521 | ...(signal ? { signal } : {}), |
| 1522 | }); |
| 1523 | if (vRes.ok) { |
| 1524 | const data = await vRes.json(); |
| 1525 | const vaults = Array.isArray(data.vaults) ? data.vaults : []; |
| 1526 | if (vaults.length > 0) { |
| 1527 | const mapped = vaults.map((v) => ({ |
| 1528 | id: String(v.id || 'default'), |
| 1529 | label: String(v.label != null && v.label !== '' ? v.label : v.id || 'default'), |
| 1530 | })); |
| 1531 | if (allowedFromBridge !== null) { |
| 1532 | allowed_vault_ids = allowedFromBridge.filter((id) => mapped.some((m) => m.id === id)); |
| 1533 | vault_list = allowed_vault_ids.map((id) => { |
| 1534 | const m = mapped.find((x) => x.id === id); |
| 1535 | return m || { id, label: id }; |
| 1536 | }); |
| 1537 | } else { |
| 1538 | vault_list = mapped; |
| 1539 | allowed_vault_ids = vault_list.map((v) => v.id); |
| 1540 | } |
| 1541 | } else if (allowedFromBridge && allowedFromBridge.length > 0) { |
| 1542 | allowed_vault_ids = [...allowedFromBridge]; |
| 1543 | vault_list = allowedFromBridge.map((id) => ({ id, label: id })); |
| 1544 | } |
| 1545 | } else { |
| 1546 | console.warn('[gateway] canister vaults non-ok', vRes.status); |
| 1547 | } |
| 1548 | } catch (e) { |
| 1549 | console.warn('[gateway] canister vaults unreachable', e?.message || String(e)); |
| 1550 | } |
| 1551 | } |
| 1552 | let github_connected = false; |
| 1553 | let github_repo = null; |
| 1554 | let role = roleForSub(uid); |
| 1555 | let hub_evaluator_may_approve = process.env.HUB_EVALUATOR_MAY_APPROVE === '1'; |
| 1556 | if (BRIDGE_URL && req.headers.authorization) { |
| 1557 | try { |
| 1558 | const ghRes = await fetch(BRIDGE_URL + '/api/v1/vault/github-status', { |
| 1559 | method: 'GET', |
| 1560 | headers: { Authorization: req.headers.authorization, Accept: 'application/json' }, |
| 1561 | }); |
| 1562 | if (ghRes.ok) { |
| 1563 | const data = await ghRes.json(); |
| 1564 | github_connected = Boolean(data.github_connected); |
| 1565 | github_repo = data.repo || null; |
| 1566 | } else { |
| 1567 | console.warn('[gateway] bridge github-status non-ok', ghRes.status); |
| 1568 | } |
| 1569 | const roleRes = await fetch(BRIDGE_URL + '/api/v1/role', { |
| 1570 | method: 'GET', |
| 1571 | headers: { Authorization: req.headers.authorization, Accept: 'application/json' }, |
| 1572 | }); |
| 1573 | if (roleRes.ok) { |
| 1574 | const data = await roleRes.json(); |
| 1575 | if (data.role) role = data.role; |
| 1576 | if (typeof data.may_approve_proposals === 'boolean') hub_evaluator_may_approve = data.may_approve_proposals; |
| 1577 | } |
| 1578 | } catch (e) { |
| 1579 | console.warn('[gateway] bridge unreachable', e?.message || String(e)); |
| 1580 | } |
| 1581 | } |
| 1582 | const vault_git = { |
| 1583 | enabled: github_connected, |
| 1584 | has_remote: Boolean(github_repo), |
| 1585 | auto_commit: false, |
| 1586 | auto_push: false, |
| 1587 | }; |
| 1588 | const dataDir = path.join(projectRoot, 'data'); |
| 1589 | const llmPrefs = await loadHostedProposalLlmPrefs(); |
| 1590 | res.json({ |
| 1591 | role, |
| 1592 | user_id: uid, |
| 1593 | vault_id: 'default', |
| 1594 | vault_list, |
| 1595 | allowed_vault_ids, |
| 1596 | vault_path_display: 'Canister', |
| 1597 | vault_git, |
| 1598 | github_connect_available: Boolean(BRIDGE_URL), |
| 1599 | github_connected, |
| 1600 | repo: github_repo, |
| 1601 | workspace_owner_id, |
| 1602 | hosted_delegating, |
| 1603 | embedding_display: { provider: '—', model: '—', ollama_url: '—' }, |
| 1604 | proposal_enrich_enabled: effectiveHostedEnrich(llmPrefs), |
| 1605 | proposal_evaluation_required: effectiveHostedEvaluationRequired(llmPrefs, dataDir), |
| 1606 | proposal_review_hints_enabled: effectiveHostedReviewHints(llmPrefs), |
| 1607 | proposal_policy_stored: { |
| 1608 | proposal_evaluation_required: llmPrefs.proposal_evaluation_required, |
| 1609 | review_hints_enabled: llmPrefs.review_hints_enabled, |
| 1610 | enrich_enabled: llmPrefs.enrich_enabled, |
| 1611 | }, |
| 1612 | proposal_policy_env_locked: proposalPolicyEnvLocked(), |
| 1613 | hub_evaluator_may_approve, |
| 1614 | proposal_rubric: loadProposalRubric(path.join(projectRoot, 'data')), |
| 1615 | daemon: await (async () => { |
| 1616 | try { |
| 1617 | const db = await loadBillingDb(); |
| 1618 | const raw = db.users?.[uid] || defaultUserRecord(uid); |
| 1619 | const u = normalizeBillingUser(raw); |
| 1620 | return { |
| 1621 | enabled: false, |
| 1622 | interval_minutes: u.consolidation_interval_minutes || 120, |
| 1623 | idle_only: true, |
| 1624 | idle_threshold_minutes: 15, |
| 1625 | run_on_start: false, |
| 1626 | max_cost_per_day_usd: null, |
| 1627 | passes: u.consolidation_passes, |
| 1628 | lookback_hours: u.consolidation_lookback_hours, |
| 1629 | max_events_per_pass: u.consolidation_max_events_per_pass, |
| 1630 | max_topics_per_pass: u.consolidation_max_topics_per_pass, |
| 1631 | llm: { |
| 1632 | provider: '', |
| 1633 | model: '', |
| 1634 | base_url: '', |
| 1635 | max_tokens: u.consolidation_llm_max_tokens, |
| 1636 | }, |
| 1637 | hosted_enabled: u.consolidation_enabled, |
| 1638 | }; |
| 1639 | } catch (_) { |
| 1640 | return { |
| 1641 | enabled: false, |
| 1642 | interval_minutes: 120, |
| 1643 | idle_only: true, |
| 1644 | idle_threshold_minutes: 15, |
| 1645 | run_on_start: false, |
| 1646 | max_cost_per_day_usd: null, |
| 1647 | passes: { consolidate: true, verify: true, discover: false }, |
| 1648 | lookback_hours: 24, |
| 1649 | max_events_per_pass: 200, |
| 1650 | max_topics_per_pass: 10, |
| 1651 | llm: { provider: '', model: '', base_url: '', max_tokens: 1024 }, |
| 1652 | hosted_enabled: false, |
| 1653 | }; |
| 1654 | } |
| 1655 | })(), |
| 1656 | muse_bridge: (() => { |
| 1657 | const envOverride = process.env.MUSE_URL != null && String(process.env.MUSE_URL).trim() !== ''; |
| 1658 | const mc = parseMuseConfigFromEnv(); |
| 1659 | let origin = null; |
| 1660 | if (mc) { |
| 1661 | try { |
| 1662 | origin = new URL(mc.baseUrl).origin; |
| 1663 | } catch (_) { |
| 1664 | /* ignore */ |
| 1665 | } |
| 1666 | } |
| 1667 | return { |
| 1668 | enabled: Boolean(mc), |
| 1669 | origin, |
| 1670 | source: envOverride ? 'env' : 'none', |
| 1671 | env_override_active: envOverride, |
| 1672 | url_editable: false, |
| 1673 | yaml_url_for_edit: '', |
| 1674 | }; |
| 1675 | })(), |
| 1676 | }); |
| 1677 | }); |
| 1678 | |
| 1679 | /** Hosted: Muse base URL is operator env only (not writable from Hub Settings). */ |
| 1680 | app.post('/api/v1/settings/muse', express.json(), (req, res) => { |
| 1681 | res.status(501).json({ |
| 1682 | error: 'Knowtation Cloud configures the optional Muse link on the server; it cannot be set from this screen.', |
| 1683 | code: 'NOT_IMPLEMENTED', |
| 1684 | }); |
| 1685 | }); |
| 1686 | |
| 1687 | /** |
| 1688 | * POST /api/v1/settings/consolidation |
| 1689 | * Hosted mode: save consolidation schedule + pass preferences to the billing store. |
| 1690 | * Self-hosted daemon settings are not writable here; respond with an appropriate note. |
| 1691 | */ |
| 1692 | app.post('/api/v1/settings/consolidation', express.json(), async (req, res) => { |
| 1693 | const uid = getUserId(req); |
| 1694 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1695 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 1696 | const mode = typeof body.mode === 'string' ? body.mode : (body.enabled ? 'daemon' : 'hosted'); |
| 1697 | const advCheck = validateHostedSettingsConsolidationAdvanced(body); |
| 1698 | if (!advCheck.ok) { |
| 1699 | return res.status(400).json({ error: advCheck.error, code: advCheck.code }); |
| 1700 | } |
| 1701 | try { |
| 1702 | let saved = {}; |
| 1703 | await mutateBillingDb((db) => { |
| 1704 | if (!db.users) db.users = {}; |
| 1705 | if (!db.users[uid]) db.users[uid] = defaultUserRecord(uid); |
| 1706 | const u = normalizeBillingUser(db.users[uid]); |
| 1707 | if (mode === 'off') { |
| 1708 | u.consolidation_enabled = false; |
| 1709 | } else { |
| 1710 | u.consolidation_enabled = true; |
| 1711 | const iv = Math.floor(Number(body.interval_minutes) || 120); |
| 1712 | if (iv >= 1 && iv <= 43200) u.consolidation_interval_minutes = iv; |
| 1713 | } |
| 1714 | if (body.passes && typeof body.passes === 'object') { |
| 1715 | u.consolidation_passes = { |
| 1716 | consolidate: body.passes.consolidate !== false, |
| 1717 | verify: body.passes.verify !== false, |
| 1718 | discover: Boolean(body.passes.discover), |
| 1719 | }; |
| 1720 | } |
| 1721 | if (body.lookback_hours !== undefined) { |
| 1722 | u.consolidation_lookback_hours = Math.floor(Number(body.lookback_hours)); |
| 1723 | } |
| 1724 | if (body.max_events_per_pass !== undefined) { |
| 1725 | u.consolidation_max_events_per_pass = Math.floor(Number(body.max_events_per_pass)); |
| 1726 | } |
| 1727 | if (body.max_topics_per_pass !== undefined) { |
| 1728 | u.consolidation_max_topics_per_pass = Math.floor(Number(body.max_topics_per_pass)); |
| 1729 | } |
| 1730 | if (body.llm !== undefined && typeof body.llm === 'object' && body.llm.max_tokens !== undefined) { |
| 1731 | u.consolidation_llm_max_tokens = Math.floor(Number(body.llm.max_tokens)); |
| 1732 | } |
| 1733 | normalizeBillingUser(u); |
| 1734 | saved = { |
| 1735 | hosted_enabled: u.consolidation_enabled, |
| 1736 | interval_minutes: u.consolidation_interval_minutes, |
| 1737 | passes: u.consolidation_passes, |
| 1738 | lookback_hours: u.consolidation_lookback_hours, |
| 1739 | max_events_per_pass: u.consolidation_max_events_per_pass, |
| 1740 | max_topics_per_pass: u.consolidation_max_topics_per_pass, |
| 1741 | llm: { |
| 1742 | provider: '', |
| 1743 | model: '', |
| 1744 | base_url: '', |
| 1745 | max_tokens: u.consolidation_llm_max_tokens, |
| 1746 | }, |
| 1747 | }; |
| 1748 | }); |
| 1749 | res.json({ ok: true, hosted: true, daemon: { enabled: false, ...saved } }); |
| 1750 | } catch (e) { |
| 1751 | res.status(500).json({ error: e.message || 'Failed to save', code: 'RUNTIME_ERROR' }); |
| 1752 | } |
| 1753 | }); |
| 1754 | |
| 1755 | app.post('/api/v1/settings/proposal-policy', requireAdmin, async (req, res) => { |
| 1756 | try { |
| 1757 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 1758 | await mergeHostedProposalLlmPrefs({ |
| 1759 | proposal_evaluation_required: body.proposal_evaluation_required, |
| 1760 | review_hints_enabled: body.review_hints_enabled, |
| 1761 | enrich_enabled: body.enrich_enabled, |
| 1762 | }); |
| 1763 | res.json({ ok: true }); |
| 1764 | } catch (e) { |
| 1765 | res.status(500).json({ error: e.message, code: 'RUNTIME_ERROR' }); |
| 1766 | } |
| 1767 | }); |
| 1768 | |
| 1769 | app.get('/api/v1/setup', (req, res) => { |
| 1770 | const uid = getUserId(req); |
| 1771 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1772 | res.json({ |
| 1773 | vault_path: '', |
| 1774 | vault_git: { enabled: false, remote: '' }, |
| 1775 | }); |
| 1776 | }); |
| 1777 | |
| 1778 | // --- Admin routes: HUB_ADMIN_USER_IDS, or bridge GET /api/v1/role → role "admin" (Team tab) --- |
| 1779 | function requireAdmin(req, res, next) { |
| 1780 | const uid = getUserId(req); |
| 1781 | if (!uid) { |
| 1782 | res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1783 | return; |
| 1784 | } |
| 1785 | if (roleForSub(uid) === 'admin') { |
| 1786 | next(); |
| 1787 | return; |
| 1788 | } |
| 1789 | if (!BRIDGE_URL || !req.headers.authorization) { |
| 1790 | res.status(403).json({ error: 'Admin only', code: 'FORBIDDEN' }); |
| 1791 | return; |
| 1792 | } |
| 1793 | void (async () => { |
| 1794 | try { |
| 1795 | const roleRes = await fetch(BRIDGE_URL + '/api/v1/role', { |
| 1796 | method: 'GET', |
| 1797 | headers: { Authorization: req.headers.authorization, Accept: 'application/json' }, |
| 1798 | }); |
| 1799 | if (!roleRes.ok) { |
| 1800 | if (!res.headersSent) res.status(403).json({ error: 'Admin only', code: 'FORBIDDEN' }); |
| 1801 | return; |
| 1802 | } |
| 1803 | const data = await roleRes.json(); |
| 1804 | if (data && data.role === 'admin') { |
| 1805 | next(); |
| 1806 | return; |
| 1807 | } |
| 1808 | if (!res.headersSent) res.status(403).json({ error: 'Admin only', code: 'FORBIDDEN' }); |
| 1809 | } catch (e) { |
| 1810 | console.warn('[gateway] requireAdmin bridge /role', e?.message || String(e)); |
| 1811 | if (!res.headersSent) res.status(403).json({ error: 'Admin only', code: 'FORBIDDEN' }); |
| 1812 | } |
| 1813 | })(); |
| 1814 | } |
| 1815 | |
| 1816 | if (!BRIDGE_URL) { |
| 1817 | app.get('/api/v1/workspace', requireAdmin, (_req, res) => { |
| 1818 | res.json({ owner_user_id: null }); |
| 1819 | }); |
| 1820 | app.post('/api/v1/workspace', requireAdmin, (_req, res) => { |
| 1821 | res.status(503).json({ error: 'Workspace owner requires bridge (BRIDGE_URL).', code: 'NOT_AVAILABLE' }); |
| 1822 | }); |
| 1823 | app.get('/api/v1/vault-access', requireAdmin, (_req, res) => { |
| 1824 | res.json({ access: {} }); |
| 1825 | }); |
| 1826 | app.post('/api/v1/vault-access', requireAdmin, (_req, res) => { |
| 1827 | res.status(503).json({ error: 'Vault access requires bridge (BRIDGE_URL).', code: 'NOT_AVAILABLE' }); |
| 1828 | }); |
| 1829 | app.get('/api/v1/scope', requireAdmin, (_req, res) => { |
| 1830 | res.json({ scope: {} }); |
| 1831 | }); |
| 1832 | app.post('/api/v1/scope', requireAdmin, (_req, res) => { |
| 1833 | res.status(503).json({ error: 'Scope requires bridge (BRIDGE_URL).', code: 'NOT_AVAILABLE' }); |
| 1834 | }); |
| 1835 | app.get('/api/v1/hosted-context', (req, res) => { |
| 1836 | const uid = getUserId(req); |
| 1837 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1838 | res.status(503).json({ error: 'Hosted context requires bridge (BRIDGE_URL).', code: 'NOT_AVAILABLE' }); |
| 1839 | }); |
| 1840 | } |
| 1841 | |
| 1842 | // Hosted: vault list is derived from the canister; YAML vault editor is self-hosted only |
| 1843 | app.post('/api/v1/vaults', requireAdmin, (_req, res) => { |
| 1844 | res.status(501).json({ |
| 1845 | error: |
| 1846 | 'Editing the vault list in Settings is not available on hosted. Vaults appear when you add notes; use the vault switcher or API with X-Vault-Id.', |
| 1847 | code: 'NOT_AVAILABLE', |
| 1848 | }); |
| 1849 | }); |
| 1850 | |
| 1851 | // GET /api/v1/roles — hosted stub: no role store; admin sees empty list (parity: only admins can open Team) |
| 1852 | app.get('/api/v1/roles', requireAdmin, (_req, res) => { |
| 1853 | res.json({ roles: [] }); |
| 1854 | }); |
| 1855 | |
| 1856 | // POST /api/v1/roles — no-op on hosted (no persistent role store yet) |
| 1857 | app.post('/api/v1/roles', requireAdmin, (_req, res) => { |
| 1858 | res.json({ ok: true }); |
| 1859 | }); |
| 1860 | |
| 1861 | // GET /api/v1/invites — hosted stub: no invite store |
| 1862 | app.get('/api/v1/invites', requireAdmin, (_req, res) => { |
| 1863 | res.json({ invites: [] }); |
| 1864 | }); |
| 1865 | |
| 1866 | // POST /api/v1/invites — not supported on hosted (no invite store; full parity in Phase 2) |
| 1867 | app.post('/api/v1/invites', requireAdmin, (_req, res) => { |
| 1868 | res.status(400).json({ |
| 1869 | error: 'Invites are not supported on hosted yet. Use self-hosted Hub for team invites, or wait for Phase 2.', |
| 1870 | code: 'NOT_SUPPORTED', |
| 1871 | }); |
| 1872 | }); |
| 1873 | |
| 1874 | // Optional Muse read-only proxy (admin; Option C). 404 when MUSE_URL unset. |
| 1875 | app.get( |
| 1876 | '/api/v1/operator/muse/proxy', |
| 1877 | (req, res, next) => { |
| 1878 | if (!parseMuseConfigFromEnv()) { |
| 1879 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 1880 | } |
| 1881 | requireAdmin(req, res, next); |
| 1882 | }, |
| 1883 | async (req, res) => { |
| 1884 | const cfg = parseMuseConfigFromEnv(); |
| 1885 | if (!cfg) return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 1886 | const rel = typeof req.query.path === 'string' ? req.query.path.trim() : ''; |
| 1887 | if (!rel) return res.status(400).json({ error: 'path query required', code: 'BAD_REQUEST' }); |
| 1888 | const result = await fetchMuseProxiedGet({ config: cfg, relativePath: rel }); |
| 1889 | if (!result.ok && result.code === 'BAD_REQUEST') { |
| 1890 | return res.status(400).json({ error: 'Invalid path', code: 'BAD_REQUEST' }); |
| 1891 | } |
| 1892 | if (!result.ok && !result.body) { |
| 1893 | return res.status(result.status).json({ error: 'Bad gateway', code: result.code }); |
| 1894 | } |
| 1895 | if (!result.ok && result.body && result.contentType) { |
| 1896 | res.status(result.status).set('Content-Type', result.contentType); |
| 1897 | res.set('X-Content-Type-Options', 'nosniff'); |
| 1898 | return res.send(result.body); |
| 1899 | } |
| 1900 | if (result.ok && result.body) { |
| 1901 | res.status(200).set('Content-Type', result.contentType); |
| 1902 | res.set('X-Content-Type-Options', 'nosniff'); |
| 1903 | return res.send(result.body); |
| 1904 | } |
| 1905 | return res.status(502).json({ error: 'Bad gateway', code: 'BAD_GATEWAY' }); |
| 1906 | }, |
| 1907 | ); |
| 1908 | |
| 1909 | // DELETE /api/v1/invites/:token — no-op on hosted |
| 1910 | app.delete('/api/v1/invites/:token', requireAdmin, (_req, res) => { |
| 1911 | res.json({ ok: true }); |
| 1912 | }); |
| 1913 | |
| 1914 | // POST /api/v1/setup — no-op on hosted (vault is canister; nothing to persist) |
| 1915 | app.post('/api/v1/setup', (req, res) => { |
| 1916 | const uid = getUserId(req); |
| 1917 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1918 | res.json({ ok: true }); |
| 1919 | }); |
| 1920 | |
| 1921 | // POST /api/v1/import — bridge runs importers and writes notes to canister when BRIDGE_URL is set |
| 1922 | app.post('/api/v1/import', async (req, res) => { |
| 1923 | const uid = getUserId(req); |
| 1924 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1925 | if (BRIDGE_URL) { |
| 1926 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 1927 | const q = req.originalUrl.includes('?') ? req.originalUrl.slice(req.originalUrl.indexOf('?')) : ''; |
| 1928 | await proxyImportToBridge(BRIDGE_URL, BRIDGE_URL + '/api/v1/import' + q, req, res); |
| 1929 | return; |
| 1930 | } |
| 1931 | res.status(501).json({ |
| 1932 | error: 'Import is not yet available on hosted (set BRIDGE_URL for bridge-backed import).', |
| 1933 | code: 'NOT_AVAILABLE', |
| 1934 | }); |
| 1935 | }); |
| 1936 | |
| 1937 | // POST /api/v1/import-url — JSON body; bridge runs URL importer (same auth as import). |
| 1938 | app.post('/api/v1/import-url', async (req, res) => { |
| 1939 | const uid = getUserId(req); |
| 1940 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1941 | if (BRIDGE_URL) { |
| 1942 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 1943 | await proxyTo(BRIDGE_URL, BRIDGE_URL + '/api/v1/import-url', req, res); |
| 1944 | return; |
| 1945 | } |
| 1946 | res.status(501).json({ |
| 1947 | error: 'Import URL is not available on hosted (set BRIDGE_URL for bridge-backed import).', |
| 1948 | code: 'NOT_AVAILABLE', |
| 1949 | }); |
| 1950 | }); |
| 1951 | |
| 1952 | // GET /api/v1/notes/facets — aggregate from canister list (Hub filter dropdowns / overview parity) |
| 1953 | app.get('/api/v1/notes/facets', async (req, res) => { |
| 1954 | const uid = getUserId(req); |
| 1955 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 1956 | if (!CANISTER_URL) { |
| 1957 | return res.json({ projects: [], tags: [], folders: [] }); |
| 1958 | } |
| 1959 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 1960 | const hctx = await getHostedAccessContext(req); |
| 1961 | const effective = (hctx && hctx.effective_canister_user_id) || uid; |
| 1962 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 1963 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 1964 | } |
| 1965 | try { |
| 1966 | const url = `${CANISTER_URL}/api/v1/notes`; |
| 1967 | const upstream = await fetch(url, { |
| 1968 | method: 'GET', |
| 1969 | headers: { |
| 1970 | Accept: 'application/json', |
| 1971 | 'x-user-id': effective, |
| 1972 | 'x-actor-id': uid, |
| 1973 | 'x-vault-id': vaultId, |
| 1974 | }, |
| 1975 | }); |
| 1976 | const text = await upstream.text(); |
| 1977 | if (!upstream.ok) { |
| 1978 | console.warn('[gateway] facets canister list non-ok', upstream.status); |
| 1979 | return res.json({ projects: [], tags: [], folders: [] }); |
| 1980 | } |
| 1981 | let data; |
| 1982 | try { |
| 1983 | data = text ? JSON.parse(text) : {}; |
| 1984 | } catch (e) { |
| 1985 | console.warn('[gateway] facets canister list JSON parse', e?.message || String(e)); |
| 1986 | return res.json({ projects: [], tags: [], folders: [] }); |
| 1987 | } |
| 1988 | const rows = Array.isArray(data.notes) ? data.notes : []; |
| 1989 | let notesForFacets = rows; |
| 1990 | const scope = hctx && hctx.scope && typeof hctx.scope === 'object' ? hctx.scope : null; |
| 1991 | if (scope && (scope.projects?.length || scope.folders?.length)) { |
| 1992 | const withProj = rows.map((n) => ({ |
| 1993 | path: n.path, |
| 1994 | project: materializeListFrontmatter(n.frontmatter).project ?? null, |
| 1995 | })); |
| 1996 | const scoped = applyScopeFilterToNotes(withProj, scope); |
| 1997 | const pathSet = new Set(scoped.map((n) => n.path).filter(Boolean)); |
| 1998 | notesForFacets = rows.filter((n) => pathSet.has(n.path)); |
| 1999 | } |
| 2000 | const facets = deriveFacetsFromCanisterNotes(notesForFacets); |
| 2001 | res.json(facets); |
| 2002 | } catch (e) { |
| 2003 | console.warn('[gateway] facets error', e?.message || String(e)); |
| 2004 | res.json({ projects: [], tags: [], folders: [] }); |
| 2005 | } |
| 2006 | }); |
| 2007 | |
| 2008 | // GET /api/v1/vault/folders — no canister filesystem; UI falls back to inbox + custom path |
| 2009 | app.get('/api/v1/vault/folders', async (req, res) => { |
| 2010 | const uid = getUserId(req); |
| 2011 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2012 | if (!CANISTER_URL) { |
| 2013 | return res.json({ folders: ['inbox'] }); |
| 2014 | } |
| 2015 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2016 | const hctx = await getHostedAccessContext(req); |
| 2017 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2018 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2019 | } |
| 2020 | res.json({ folders: ['inbox'] }); |
| 2021 | }); |
| 2022 | |
| 2023 | app.get('/api/v1/note-outline', async (req, res) => { |
| 2024 | const uid = getUserId(req); |
| 2025 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2026 | if (!CANISTER_URL) { |
| 2027 | return res.status(503).json({ error: 'Hosted NoteOutline is not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 2028 | } |
| 2029 | |
| 2030 | let requestedPath; |
| 2031 | try { |
| 2032 | requestedPath = normalizeGatewayNoteOutlinePath(req.query.path); |
| 2033 | } catch (e) { |
| 2034 | const err = sanitizedNoteOutlineGatewayError(e); |
| 2035 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2036 | } |
| 2037 | |
| 2038 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2039 | const hctx = await getHostedAccessContext(req); |
| 2040 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2041 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2042 | } |
| 2043 | const effective = |
| 2044 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2045 | ? hctx.effective_canister_user_id |
| 2046 | : uid; |
| 2047 | const url = `${CANISTER_URL}/api/v1/notes/${encodeURIComponent(requestedPath)}`; |
| 2048 | |
| 2049 | try { |
| 2050 | const upstream = await fetch(url, { |
| 2051 | method: 'GET', |
| 2052 | headers: { |
| 2053 | Accept: 'application/json', |
| 2054 | 'x-user-id': effective, |
| 2055 | 'x-actor-id': uid, |
| 2056 | 'x-vault-id': vaultId, |
| 2057 | ...canisterAuthHeaders(), |
| 2058 | }, |
| 2059 | }); |
| 2060 | const text = await upstream.text(); |
| 2061 | if (upstream.status === 401 || upstream.status === 403) { |
| 2062 | return res.status(403).json({ error: 'Forbidden', code: 'FORBIDDEN' }); |
| 2063 | } |
| 2064 | if (upstream.status === 404) { |
| 2065 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2066 | } |
| 2067 | if (!upstream.ok) { |
| 2068 | return res.status(502).json({ error: `Upstream ${upstream.status}`, code: 'BAD_GATEWAY' }); |
| 2069 | } |
| 2070 | |
| 2071 | let note; |
| 2072 | try { |
| 2073 | note = text ? JSON.parse(text) : {}; |
| 2074 | } catch { |
| 2075 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 2076 | } |
| 2077 | |
| 2078 | const frontmatter = materializeListFrontmatter(note.frontmatter); |
| 2079 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2080 | if (scope) { |
| 2081 | const scoped = applyScopeFilterToNotes( |
| 2082 | [ |
| 2083 | { |
| 2084 | path: requestedPath, |
| 2085 | project: frontmatter.project ?? null, |
| 2086 | }, |
| 2087 | ], |
| 2088 | scope |
| 2089 | ); |
| 2090 | if (scoped.length === 0) { |
| 2091 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2092 | } |
| 2093 | } |
| 2094 | |
| 2095 | return res.json( |
| 2096 | buildNoteOutline({ |
| 2097 | path: requestedPath, |
| 2098 | frontmatter, |
| 2099 | body: note.body != null ? String(note.body) : '', |
| 2100 | }) |
| 2101 | ); |
| 2102 | } catch (e) { |
| 2103 | const err = sanitizedNoteOutlineGatewayError(e); |
| 2104 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2105 | } |
| 2106 | }); |
| 2107 | |
| 2108 | app.get('/api/v1/document-tree', async (req, res) => { |
| 2109 | const uid = getUserId(req); |
| 2110 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2111 | if (!CANISTER_URL) { |
| 2112 | return res.status(503).json({ error: 'Hosted DocumentTree is not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 2113 | } |
| 2114 | |
| 2115 | let requestedPath; |
| 2116 | try { |
| 2117 | requestedPath = normalizeGatewayDocumentTreePath(req.query.path); |
| 2118 | } catch (e) { |
| 2119 | const err = sanitizedDocumentTreeGatewayError(e); |
| 2120 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2121 | } |
| 2122 | |
| 2123 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2124 | const hctx = await getHostedAccessContext(req); |
| 2125 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2126 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2127 | } |
| 2128 | const effective = |
| 2129 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2130 | ? hctx.effective_canister_user_id |
| 2131 | : uid; |
| 2132 | const url = `${CANISTER_URL}/api/v1/notes/${encodeURIComponent(requestedPath)}`; |
| 2133 | |
| 2134 | try { |
| 2135 | const upstream = await fetch(url, { |
| 2136 | method: 'GET', |
| 2137 | headers: { |
| 2138 | Accept: 'application/json', |
| 2139 | 'x-user-id': effective, |
| 2140 | 'x-actor-id': uid, |
| 2141 | 'x-vault-id': vaultId, |
| 2142 | ...canisterAuthHeaders(), |
| 2143 | }, |
| 2144 | }); |
| 2145 | const text = await upstream.text(); |
| 2146 | if (upstream.status === 401 || upstream.status === 403) { |
| 2147 | return res.status(403).json({ error: 'Forbidden', code: 'FORBIDDEN' }); |
| 2148 | } |
| 2149 | if (upstream.status === 404) { |
| 2150 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2151 | } |
| 2152 | if (!upstream.ok) { |
| 2153 | return res.status(502).json({ error: `Upstream ${upstream.status}`, code: 'BAD_GATEWAY' }); |
| 2154 | } |
| 2155 | |
| 2156 | let note; |
| 2157 | try { |
| 2158 | note = text ? JSON.parse(text) : {}; |
| 2159 | } catch { |
| 2160 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 2161 | } |
| 2162 | |
| 2163 | const frontmatter = materializeListFrontmatter(note.frontmatter); |
| 2164 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2165 | if (scope) { |
| 2166 | const scoped = applyScopeFilterToNotes( |
| 2167 | [ |
| 2168 | { |
| 2169 | path: requestedPath, |
| 2170 | project: frontmatter.project ?? null, |
| 2171 | }, |
| 2172 | ], |
| 2173 | scope |
| 2174 | ); |
| 2175 | if (scoped.length === 0) { |
| 2176 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2177 | } |
| 2178 | } |
| 2179 | |
| 2180 | return res.json( |
| 2181 | buildDocumentTree({ |
| 2182 | path: requestedPath, |
| 2183 | frontmatter, |
| 2184 | body: note.body != null ? String(note.body) : '', |
| 2185 | }) |
| 2186 | ); |
| 2187 | } catch (e) { |
| 2188 | const err = sanitizedDocumentTreeGatewayError(e); |
| 2189 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2190 | } |
| 2191 | }); |
| 2192 | |
| 2193 | app.get('/api/v1/metadata-facets', async (req, res) => { |
| 2194 | const uid = getUserId(req); |
| 2195 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2196 | if (!CANISTER_URL) { |
| 2197 | return res.status(503).json({ error: 'Hosted MetadataFacets is not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 2198 | } |
| 2199 | |
| 2200 | let requestedPath; |
| 2201 | try { |
| 2202 | requestedPath = normalizeGatewayMetadataFacetsPath(req.query.path); |
| 2203 | } catch (e) { |
| 2204 | const err = sanitizedMetadataFacetsGatewayError(e); |
| 2205 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2206 | } |
| 2207 | |
| 2208 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2209 | const hctx = await getHostedAccessContext(req); |
| 2210 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2211 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2212 | } |
| 2213 | const effective = |
| 2214 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2215 | ? hctx.effective_canister_user_id |
| 2216 | : uid; |
| 2217 | const url = `${CANISTER_URL}/api/v1/notes/${encodeURIComponent(requestedPath)}`; |
| 2218 | |
| 2219 | try { |
| 2220 | const upstream = await fetch(url, { |
| 2221 | method: 'GET', |
| 2222 | headers: { |
| 2223 | Accept: 'application/json', |
| 2224 | 'x-user-id': effective, |
| 2225 | 'x-actor-id': uid, |
| 2226 | 'x-vault-id': vaultId, |
| 2227 | ...canisterAuthHeaders(), |
| 2228 | }, |
| 2229 | }); |
| 2230 | const text = await upstream.text(); |
| 2231 | if (upstream.status === 401 || upstream.status === 403) { |
| 2232 | return res.status(403).json({ error: 'Forbidden', code: 'FORBIDDEN' }); |
| 2233 | } |
| 2234 | if (upstream.status === 404) { |
| 2235 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2236 | } |
| 2237 | if (!upstream.ok) { |
| 2238 | return res.status(502).json({ error: `Upstream ${upstream.status}`, code: 'BAD_GATEWAY' }); |
| 2239 | } |
| 2240 | |
| 2241 | let note; |
| 2242 | try { |
| 2243 | note = text ? JSON.parse(text) : {}; |
| 2244 | } catch { |
| 2245 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 2246 | } |
| 2247 | |
| 2248 | const frontmatter = materializeListFrontmatter(note.frontmatter); |
| 2249 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2250 | if (scope) { |
| 2251 | const scoped = applyScopeFilterToNotes( |
| 2252 | [ |
| 2253 | { |
| 2254 | path: requestedPath, |
| 2255 | project: frontmatter.project ?? null, |
| 2256 | }, |
| 2257 | ], |
| 2258 | scope |
| 2259 | ); |
| 2260 | if (scoped.length === 0) { |
| 2261 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2262 | } |
| 2263 | } |
| 2264 | |
| 2265 | return res.json(normalizeMetadataFacets(requestedPath, frontmatter)); |
| 2266 | } catch (e) { |
| 2267 | const err = sanitizedMetadataFacetsGatewayError(e); |
| 2268 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2269 | } |
| 2270 | }); |
| 2271 | |
| 2272 | app.get('/api/v1/section-source', async (req, res) => { |
| 2273 | const uid = getUserId(req); |
| 2274 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2275 | if (!CANISTER_URL) { |
| 2276 | return res.status(503).json({ error: 'Hosted SectionSource is not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 2277 | } |
| 2278 | |
| 2279 | let requestedPath; |
| 2280 | try { |
| 2281 | requestedPath = normalizeGatewaySectionSourcePath(req.query.path); |
| 2282 | } catch (e) { |
| 2283 | const err = sanitizedSectionSourceGatewayError(e); |
| 2284 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2285 | } |
| 2286 | |
| 2287 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2288 | const hctx = await getHostedAccessContext(req); |
| 2289 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2290 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2291 | } |
| 2292 | const effective = |
| 2293 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2294 | ? hctx.effective_canister_user_id |
| 2295 | : uid; |
| 2296 | const url = `${CANISTER_URL}/api/v1/notes/${encodeURIComponent(requestedPath)}`; |
| 2297 | |
| 2298 | try { |
| 2299 | const upstream = await fetch(url, { |
| 2300 | method: 'GET', |
| 2301 | headers: { |
| 2302 | Accept: 'application/json', |
| 2303 | 'x-user-id': effective, |
| 2304 | 'x-actor-id': uid, |
| 2305 | 'x-vault-id': vaultId, |
| 2306 | ...canisterAuthHeaders(), |
| 2307 | }, |
| 2308 | }); |
| 2309 | const text = await upstream.text(); |
| 2310 | if (upstream.status === 401 || upstream.status === 403) { |
| 2311 | return res.status(403).json({ error: 'Forbidden', code: 'FORBIDDEN' }); |
| 2312 | } |
| 2313 | if (upstream.status === 404) { |
| 2314 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2315 | } |
| 2316 | if (!upstream.ok) { |
| 2317 | return res.status(502).json({ error: `Upstream ${upstream.status}`, code: 'BAD_GATEWAY' }); |
| 2318 | } |
| 2319 | |
| 2320 | let note; |
| 2321 | try { |
| 2322 | note = text ? JSON.parse(text) : {}; |
| 2323 | } catch { |
| 2324 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 2325 | } |
| 2326 | |
| 2327 | const frontmatter = materializeListFrontmatter(note.frontmatter); |
| 2328 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2329 | if (scope) { |
| 2330 | const scoped = applyScopeFilterToNotes( |
| 2331 | [ |
| 2332 | { |
| 2333 | path: requestedPath, |
| 2334 | project: frontmatter.project ?? null, |
| 2335 | }, |
| 2336 | ], |
| 2337 | scope |
| 2338 | ); |
| 2339 | if (scoped.length === 0) { |
| 2340 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2341 | } |
| 2342 | } |
| 2343 | |
| 2344 | return res.json( |
| 2345 | buildSectionSource({ |
| 2346 | path: requestedPath, |
| 2347 | frontmatter, |
| 2348 | body: note.body != null ? String(note.body) : '', |
| 2349 | }) |
| 2350 | ); |
| 2351 | } catch (e) { |
| 2352 | const err = sanitizedSectionSourceGatewayError(e); |
| 2353 | return res.status(err.status).json({ error: err.error, code: err.code }); |
| 2354 | } |
| 2355 | }); |
| 2356 | |
| 2357 | /** |
| 2358 | * @param {Record<string, unknown>|null} hctx |
| 2359 | */ |
| 2360 | function scopeActiveForGateway(hctx) { |
| 2361 | const s = hctx && hctx.scope && typeof hctx.scope === 'object' ? hctx.scope : null; |
| 2362 | return Boolean(s && (s.projects?.length || s.folders?.length)); |
| 2363 | } |
| 2364 | |
| 2365 | async function gatewayProxyGetNotesList(req, res, uid, effective, hctx) { |
| 2366 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2367 | const raw = upstreamPathAndQuery(req); |
| 2368 | const qIdx = raw.indexOf('?'); |
| 2369 | const searchPart = qIdx >= 0 ? raw.slice(qIdx + 1) : ''; |
| 2370 | const params = new URLSearchParams(searchPart); |
| 2371 | const limit = Math.min(100, Math.max(0, parseInt(params.get('limit') || '20', 10) || 20)); |
| 2372 | const offset = Math.max(0, parseInt(params.get('offset') || '0', 10) || 0); |
| 2373 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2374 | // Phase 12 — blockchain filters applied client-side (canister stores frontmatter as opaque JSON) |
| 2375 | const filterNetwork = (params.get('network') || '').trim().toLowerCase(); |
| 2376 | const filterWallet = (params.get('wallet_address') || '').trim().toLowerCase(); |
| 2377 | const filterPaymentStatus = (params.get('payment_status') || '').trim().toLowerCase(); |
| 2378 | const needsClientFilter = Boolean(scope || filterNetwork || filterWallet || filterPaymentStatus); |
| 2379 | if (needsClientFilter) { |
| 2380 | params.set('limit', '10000'); |
| 2381 | params.set('offset', '0'); |
| 2382 | } |
| 2383 | // Remove Phase 12 params before forwarding to canister (canister ignores them, but keep URL clean) |
| 2384 | params.delete('network'); |
| 2385 | params.delete('wallet_address'); |
| 2386 | params.delete('payment_status'); |
| 2387 | const fetchUrl = `${CANISTER_URL}/api/v1/notes${params.toString() ? `?${params.toString()}` : ''}`; |
| 2388 | try { |
| 2389 | const upstream = await fetch(fetchUrl, { |
| 2390 | method: 'GET', |
| 2391 | headers: { |
| 2392 | Accept: 'application/json', |
| 2393 | 'x-user-id': effective, |
| 2394 | 'x-actor-id': uid, |
| 2395 | 'x-vault-id': vaultId, |
| 2396 | ...canisterAuthHeaders(), |
| 2397 | }, |
| 2398 | }); |
| 2399 | const text = await upstream.text(); |
| 2400 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()).filter( |
| 2401 | ([k]) => !['cache-control', 'etag', 'last-modified'].includes(k.toLowerCase()), |
| 2402 | ); |
| 2403 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 2404 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 2405 | if (!upstream.ok || !text) { |
| 2406 | res.send(text); |
| 2407 | return; |
| 2408 | } |
| 2409 | let data; |
| 2410 | try { |
| 2411 | data = JSON.parse(text); |
| 2412 | } catch (_) { |
| 2413 | res.send(text); |
| 2414 | return; |
| 2415 | } |
| 2416 | if (needsClientFilter && Array.isArray(data.notes)) { |
| 2417 | let filtered = data.notes; |
| 2418 | // Scope filter (project/folder access control) |
| 2419 | if (scope) { |
| 2420 | const withProj = filtered.map((n) => ({ |
| 2421 | path: n.path, |
| 2422 | project: materializeListFrontmatter(n.frontmatter).project ?? null, |
| 2423 | })); |
| 2424 | const kept = applyScopeFilterToNotes(withProj, scope); |
| 2425 | const keptPaths = new Set(kept.map((r) => r.path).filter(Boolean)); |
| 2426 | filtered = filtered.filter((n) => n.path && keptPaths.has(n.path)); |
| 2427 | } |
| 2428 | // Phase 12 blockchain filters |
| 2429 | if (filterNetwork || filterWallet || filterPaymentStatus) { |
| 2430 | filtered = filtered.filter((n) => { |
| 2431 | const fm = materializeListFrontmatter(n.frontmatter); |
| 2432 | if (filterNetwork && String(fm.network ?? '').trim().toLowerCase() !== filterNetwork) return false; |
| 2433 | if (filterWallet && String(fm.wallet_address ?? '').trim().toLowerCase() !== filterWallet) return false; |
| 2434 | if (filterPaymentStatus && String(fm.payment_status ?? '').trim().toLowerCase() !== filterPaymentStatus) return false; |
| 2435 | return true; |
| 2436 | }); |
| 2437 | } |
| 2438 | const total = filtered.length; |
| 2439 | const page = filtered.slice(offset, offset + limit); |
| 2440 | res.json({ notes: page, total }); |
| 2441 | return; |
| 2442 | } |
| 2443 | res.send(text); |
| 2444 | } catch (e) { |
| 2445 | console.error('Gateway GET notes list error:', e.message); |
| 2446 | res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 2447 | } |
| 2448 | } |
| 2449 | |
| 2450 | async function gatewayProxyGetNoteOne(req, res, uid, effective, hctx) { |
| 2451 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2452 | const url = CANISTER_URL + upstreamPathAndQuery(req); |
| 2453 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 2454 | try { |
| 2455 | const upstream = await fetch(url, { |
| 2456 | method: 'GET', |
| 2457 | headers: { |
| 2458 | Accept: 'application/json', |
| 2459 | 'x-user-id': effective, |
| 2460 | 'x-actor-id': uid, |
| 2461 | 'x-vault-id': vaultId, |
| 2462 | ...canisterAuthHeaders(), |
| 2463 | }, |
| 2464 | }); |
| 2465 | const body = await upstream.text(); |
| 2466 | if (upstream.status >= 400) { |
| 2467 | console.warn('[gateway] canister GET note:', upstream.status, 'url:', url.slice(0, 120)); |
| 2468 | } |
| 2469 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()).filter( |
| 2470 | ([k]) => !['cache-control', 'etag', 'last-modified'].includes(k.toLowerCase()), |
| 2471 | ); |
| 2472 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 2473 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 2474 | if (!scope || upstream.status !== 200 || !body) { |
| 2475 | res.send(body); |
| 2476 | return; |
| 2477 | } |
| 2478 | try { |
| 2479 | const note = JSON.parse(body); |
| 2480 | const withProj = { |
| 2481 | path: note.path, |
| 2482 | project: materializeListFrontmatter(note.frontmatter).project ?? null, |
| 2483 | }; |
| 2484 | const filtered = applyScopeFilterToNotes([withProj], scope); |
| 2485 | if (filtered.length === 0) { |
| 2486 | res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2487 | return; |
| 2488 | } |
| 2489 | } catch (_) { |
| 2490 | res.send(body); |
| 2491 | return; |
| 2492 | } |
| 2493 | res.send(body); |
| 2494 | } catch (e) { |
| 2495 | console.error('Gateway GET note error:', e.message); |
| 2496 | res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 2497 | } |
| 2498 | } |
| 2499 | |
| 2500 | const PROPOSAL_APPROVE_OR_DISCARD_RE = /^\/api\/v1\/proposals\/[^/]+\/(approve|discard)\/?$/; |
| 2501 | |
| 2502 | /** |
| 2503 | * Bridge / JWT actor role for proposal RBAC (canister only sees effective X-User-Id). |
| 2504 | * @param {import('express').Request} req |
| 2505 | * @param {Record<string, unknown>|null} hctx |
| 2506 | * @returns {Promise<{ role: string, mayApproveProposals: boolean }>} |
| 2507 | */ |
| 2508 | async function resolveHostedActorRole(req, hctx) { |
| 2509 | const envFallback = process.env.HUB_EVALUATOR_MAY_APPROVE === '1'; |
| 2510 | let role = 'member'; |
| 2511 | let mayApproveProposals = false; |
| 2512 | if (hctx && typeof hctx.role === 'string') { |
| 2513 | role = hctx.role; |
| 2514 | if (typeof hctx.may_approve_proposals === 'boolean') { |
| 2515 | mayApproveProposals = hctx.may_approve_proposals; |
| 2516 | } else if (role === 'evaluator') { |
| 2517 | mayApproveProposals = envFallback; |
| 2518 | } |
| 2519 | } else if (BRIDGE_URL && req.headers.authorization) { |
| 2520 | try { |
| 2521 | const roleRes = await fetch(BRIDGE_URL + '/api/v1/role', { |
| 2522 | method: 'GET', |
| 2523 | headers: { Authorization: req.headers.authorization, Accept: 'application/json' }, |
| 2524 | }); |
| 2525 | if (roleRes.ok) { |
| 2526 | const data = await roleRes.json(); |
| 2527 | if (data.role) role = data.role; |
| 2528 | if (typeof data.may_approve_proposals === 'boolean') { |
| 2529 | mayApproveProposals = data.may_approve_proposals; |
| 2530 | } else if (role === 'evaluator') { |
| 2531 | mayApproveProposals = envFallback; |
| 2532 | } |
| 2533 | } |
| 2534 | } catch (_) {} |
| 2535 | } else { |
| 2536 | try { |
| 2537 | const auth = req.headers.authorization; |
| 2538 | const token = auth && auth.startsWith('Bearer ') ? auth.slice(7) : null; |
| 2539 | if (token && SESSION_SECRET) { |
| 2540 | const payload = jwt.verify(token, SESSION_SECRET); |
| 2541 | role = payload.role || roleForSub(payload.sub); |
| 2542 | mayApproveProposals = role === 'admin' || (role === 'evaluator' && envFallback); |
| 2543 | } |
| 2544 | } catch (_) {} |
| 2545 | } |
| 2546 | return { role, mayApproveProposals }; |
| 2547 | } |
| 2548 | |
| 2549 | /** |
| 2550 | * Approve/discard: enforce actor role on gateway (canister only sees effective X-User-Id). |
| 2551 | * @param {import('express').Request} req |
| 2552 | * @param {import('express').Response} res |
| 2553 | * @param {string} pathNoQuery |
| 2554 | * @param {string} method |
| 2555 | * @param {Record<string, unknown>|null} hctx from getHostedAccessContext (null if no bridge / not delegated) |
| 2556 | */ |
| 2557 | async function assertHostedProposalApproveDiscard(req, res, pathNoQuery, method, hctx) { |
| 2558 | if (method !== 'POST' || !PROPOSAL_APPROVE_OR_DISCARD_RE.test(pathNoQuery)) return true; |
| 2559 | |
| 2560 | const uid = getUserId(req); |
| 2561 | if (!uid) { |
| 2562 | res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2563 | return false; |
| 2564 | } |
| 2565 | |
| 2566 | const { role, mayApproveProposals } = await resolveHostedActorRole(req, hctx); |
| 2567 | |
| 2568 | if (/\/discard\/?$/.test(pathNoQuery)) { |
| 2569 | if (role !== 'admin') { |
| 2570 | res.status(403).json({ error: 'Discard requires admin.', code: 'FORBIDDEN' }); |
| 2571 | return false; |
| 2572 | } |
| 2573 | return true; |
| 2574 | } |
| 2575 | |
| 2576 | const canApprove = role === 'admin' || (role === 'evaluator' && mayApproveProposals); |
| 2577 | if (!canApprove) { |
| 2578 | res.status(403).json({ |
| 2579 | error: |
| 2580 | 'Approve requires admin, or an evaluator with approve permission (per-user in Team, or HUB_EVALUATOR_MAY_APPROVE=1 when no per-user value).', |
| 2581 | code: 'FORBIDDEN', |
| 2582 | }); |
| 2583 | return false; |
| 2584 | } |
| 2585 | return true; |
| 2586 | } |
| 2587 | |
| 2588 | /** |
| 2589 | * Fetch the current note count for a user from the canister. |
| 2590 | * Used by the billing storage cap gate before note CREATE. |
| 2591 | * Fails open — returns 0 on any error so the gate never blocks due to a canister outage. |
| 2592 | * |
| 2593 | * @param {string} userId |
| 2594 | * @param {import('express').Request} req |
| 2595 | * @returns {Promise<number>} |
| 2596 | */ |
| 2597 | async function getNoteCountForUser(userId, req) { |
| 2598 | if (!CANISTER_URL) return 0; |
| 2599 | try { |
| 2600 | let vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2601 | const pathOnly = effectiveRequestPath(req).replace(/\/+$/, '') || '/'; |
| 2602 | if (req.method === 'POST' && pathOnly === '/api/v1/notes/copy') { |
| 2603 | const b = req.body && typeof req.body === 'object' ? req.body : {}; |
| 2604 | const toV = typeof b.to_vault_id === 'string' ? b.to_vault_id.replace(/\\/g, '/').trim() : ''; |
| 2605 | if (toV) vaultId = toV; |
| 2606 | } |
| 2607 | const hctx = await getHostedAccessContext(req); |
| 2608 | const effective = |
| 2609 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2610 | ? hctx.effective_canister_user_id |
| 2611 | : userId; |
| 2612 | const url = `${CANISTER_URL}/api/v1/notes?limit=1&offset=0`; |
| 2613 | const upstream = await fetch(url, { |
| 2614 | method: 'GET', |
| 2615 | headers: { |
| 2616 | Accept: 'application/json', |
| 2617 | 'x-user-id': effective, |
| 2618 | 'x-actor-id': userId, |
| 2619 | 'x-vault-id': vaultId, |
| 2620 | ...canisterAuthHeaders(), |
| 2621 | }, |
| 2622 | }); |
| 2623 | if (!upstream.ok) return 0; |
| 2624 | const data = await upstream.json(); |
| 2625 | const total = typeof data.total === 'number' ? data.total : (Array.isArray(data.notes) ? data.notes.length : 0); |
| 2626 | return Math.max(0, Math.floor(total)); |
| 2627 | } catch (_) { |
| 2628 | return 0; |
| 2629 | } |
| 2630 | } |
| 2631 | |
| 2632 | async function proxyToCanister(req, res) { |
| 2633 | const uid = getUserId(req); |
| 2634 | if (!uid) { |
| 2635 | return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2636 | } |
| 2637 | const pathOnly = effectiveRequestPath(req); |
| 2638 | const pathNoQuery = pathPartNoQuery(req); |
| 2639 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2640 | const hctx = await getHostedAccessContext(req); |
| 2641 | if (!(await assertHostedProposalApproveDiscard(req, res, pathNoQuery, req.method, hctx))) return; |
| 2642 | const effective = |
| 2643 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2644 | ? hctx.effective_canister_user_id |
| 2645 | : uid; |
| 2646 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2647 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2648 | } |
| 2649 | |
| 2650 | if (req.method === 'GET' && pathOnly === '/api/v1/notes') { |
| 2651 | return gatewayProxyGetNotesList(req, res, uid, effective, hctx); |
| 2652 | } |
| 2653 | const noteSubPrefix = '/api/v1/notes/'; |
| 2654 | if ( |
| 2655 | req.method === 'GET' && |
| 2656 | pathOnly.startsWith(noteSubPrefix) && |
| 2657 | pathOnly !== '/api/v1/notes/facets' |
| 2658 | ) { |
| 2659 | const rest = pathOnly.slice(noteSubPrefix.length); |
| 2660 | if (rest) { |
| 2661 | return gatewayProxyGetNoteOne(req, res, uid, effective, hctx); |
| 2662 | } |
| 2663 | } |
| 2664 | |
| 2665 | const url = CANISTER_URL + upstreamPathAndQuery(req); |
| 2666 | const headers = { |
| 2667 | host: new URL(CANISTER_URL).host, |
| 2668 | 'x-user-id': effective, |
| 2669 | 'x-actor-id': uid, |
| 2670 | 'x-vault-id': req.headers['x-vault-id'] || 'default', |
| 2671 | ...canisterAuthHeaders(), |
| 2672 | }; |
| 2673 | // Allowlist: only forward safe body/content headers; canister auth is via x-user-id + x-gateway-auth. |
| 2674 | // Never forward origin, referer, cookies, authorization, or other proxy headers to the canister. |
| 2675 | for (const k of PROXY_HEADER_ALLOWLIST) { |
| 2676 | if (req.headers[k] !== undefined) headers[k] = req.headers[k]; |
| 2677 | } |
| 2678 | const opts = { method: req.method, headers }; |
| 2679 | let bodyOut = req.body; |
| 2680 | const pathOnlyForBody = pathPartNoQuery(req); |
| 2681 | const dataDir = path.join(projectRoot, 'data'); |
| 2682 | let hostedLlmPrefs = null; |
| 2683 | if ( |
| 2684 | req.method === 'POST' && |
| 2685 | (pathOnlyForBody === '/api/v1/proposals' || pathOnlyForBody === '/api/v1/proposals/') |
| 2686 | ) { |
| 2687 | hostedLlmPrefs = await loadHostedProposalLlmPrefs(); |
| 2688 | } |
| 2689 | // Improvement B: AIR attestation for hosted gateway note writes. |
| 2690 | // Guarded by KNOWTATION_AIR_ENDPOINT being set; always non-blocking (gateway has no air.required config). |
| 2691 | let gatewayAirId = null; |
| 2692 | if ( |
| 2693 | process.env.KNOWTATION_AIR_ENDPOINT && |
| 2694 | bodyOut !== undefined && |
| 2695 | typeof bodyOut === 'object' && |
| 2696 | !Buffer.isBuffer(bodyOut) && |
| 2697 | isNoteWriteRequest(req.method, pathOnlyForBody) |
| 2698 | ) { |
| 2699 | try { |
| 2700 | const notePath = |
| 2701 | req.method === 'POST' |
| 2702 | ? (typeof bodyOut.path === 'string' ? bodyOut.path.replace(/\\/g, '/') : '') |
| 2703 | : pathOnlyForBody |
| 2704 | .slice('/api/v1/notes/'.length) |
| 2705 | .split('/') |
| 2706 | .map(decodeURIComponent) |
| 2707 | .join('/'); |
| 2708 | const { attestBeforeWrite: gwAttest } = await import('../../lib/air.mjs'); |
| 2709 | const airId = await gwAttest( |
| 2710 | { air: { enabled: true, required: false, endpoint: process.env.KNOWTATION_AIR_ENDPOINT } }, |
| 2711 | notePath |
| 2712 | ); |
| 2713 | if (airId && airId !== 'air-placeholder-write') { |
| 2714 | gatewayAirId = airId; |
| 2715 | } |
| 2716 | } catch (e) { |
| 2717 | // Never let an AIR failure block a hosted write; log and continue. |
| 2718 | console.error('[gateway] AIR attestation error (non-fatal):', e?.message || String(e)); |
| 2719 | } |
| 2720 | } |
| 2721 | |
| 2722 | if ( |
| 2723 | bodyOut !== undefined && |
| 2724 | typeof bodyOut === 'object' && |
| 2725 | !Buffer.isBuffer(bodyOut) && |
| 2726 | isPostApiV1Notes(req.method, pathOnlyForBody) |
| 2727 | ) { |
| 2728 | bodyOut = mergeHostedNoteBodyForCanister(bodyOut, uid, gatewayAirId); |
| 2729 | } else if ( |
| 2730 | gatewayAirId && |
| 2731 | bodyOut !== undefined && |
| 2732 | typeof bodyOut === 'object' && |
| 2733 | !Buffer.isBuffer(bodyOut) && |
| 2734 | req.method === 'PUT' && |
| 2735 | pathOnlyForBody.startsWith('/api/v1/notes/') |
| 2736 | ) { |
| 2737 | // PUT note write: inject air_id into frontmatter alongside existing fields |
| 2738 | bodyOut = mergeHostedNoteBodyForCanister(bodyOut, uid, gatewayAirId); |
| 2739 | } |
| 2740 | if (bodyOut !== undefined && typeof bodyOut === 'object' && !Buffer.isBuffer(bodyOut)) { |
| 2741 | bodyOut = augmentProposalEvaluationBodyForCanister(req.method, pathOnlyForBody, bodyOut); |
| 2742 | const policyOpts = |
| 2743 | hostedLlmPrefs != null |
| 2744 | ? { evaluationRequired: effectiveHostedEvaluationRequired(hostedLlmPrefs, dataDir) } |
| 2745 | : {}; |
| 2746 | bodyOut = augmentProposalCreateForHosted(req.method, pathOnlyForBody, bodyOut, dataDir, policyOpts); |
| 2747 | if (req.method === 'POST') { |
| 2748 | const approveId = proposalIdFromApprovePath(pathOnlyForBody); |
| 2749 | if (approveId) { |
| 2750 | try { |
| 2751 | const museCfg = parseMuseConfigFromEnv(); |
| 2752 | const resolved = await resolveExternalRefForApprove({ |
| 2753 | clientRef: bodyOut.external_ref, |
| 2754 | proposalId: approveId, |
| 2755 | vaultId, |
| 2756 | config: museCfg, |
| 2757 | logWarn: (msg, extra) => console.warn(msg, extra != null ? JSON.stringify(extra) : ''), |
| 2758 | }); |
| 2759 | if (resolved) { |
| 2760 | bodyOut = { ...bodyOut, external_ref: resolved }; |
| 2761 | } |
| 2762 | } catch (e) { |
| 2763 | console.warn('[gateway] muse approve merge (non-fatal):', e?.message || String(e)); |
| 2764 | } |
| 2765 | } |
| 2766 | } |
| 2767 | } |
| 2768 | if (req.method !== 'GET' && req.method !== 'HEAD' && bodyOut !== undefined) { |
| 2769 | opts.body = typeof bodyOut === 'string' ? bodyOut : JSON.stringify(bodyOut); |
| 2770 | stripStaleOutboundBodyHeaders(headers); |
| 2771 | } |
| 2772 | try { |
| 2773 | const upstream = await fetch(url, opts); |
| 2774 | const body = await upstream.text(); |
| 2775 | // For a successful proposal CREATE, extract path+body so the hints job can skip |
| 2776 | // its own canister GET (saves one ICP round trip, ~1–3 s, from the hints path). |
| 2777 | let parsedProposalData = null; |
| 2778 | if ( |
| 2779 | req.method === 'POST' && |
| 2780 | (pathOnlyForBody === '/api/v1/proposals' || pathOnlyForBody === '/api/v1/proposals/') && |
| 2781 | upstream.status >= 200 && upstream.status < 300 |
| 2782 | ) { |
| 2783 | try { |
| 2784 | const j = JSON.parse(body); |
| 2785 | const merged = proposalDataForHostedReviewHintsFromCreate(j, bodyOut); |
| 2786 | if (merged) parsedProposalData = merged; |
| 2787 | } catch (_) {} |
| 2788 | } |
| 2789 | try { |
| 2790 | await maybeScheduleHostedProposalReviewHints({ |
| 2791 | method: req.method, |
| 2792 | pathOnly: pathOnlyForBody, |
| 2793 | upstreamStatus: upstream.status, |
| 2794 | responseText: body, |
| 2795 | canisterUrl: CANISTER_URL, |
| 2796 | effectiveUserId: effective, |
| 2797 | actorUserId: uid, |
| 2798 | vaultId, |
| 2799 | hintsEnabled: hostedLlmPrefs ? effectiveHostedReviewHints(hostedLlmPrefs) : false, |
| 2800 | proposalData: parsedProposalData, |
| 2801 | }); |
| 2802 | } catch (e) { |
| 2803 | // Never let a hints failure affect the primary proxy response. |
| 2804 | console.error('[gateway] hints exception (non-fatal):', e?.message || String(e)); |
| 2805 | } |
| 2806 | if (upstream.status >= 400 && req.method === 'GET' && url.includes('/api/v1/notes/')) { |
| 2807 | console.warn('[gateway] canister GET note:', upstream.status, 'url:', url.slice(0, 120)); |
| 2808 | } |
| 2809 | if ( |
| 2810 | upstream.status === 404 && |
| 2811 | req.method === 'POST' && |
| 2812 | /\/api\/v1\/proposals\/[^/]+\/evaluation\/?(\?|$)/.test(pathOnlyForBody) |
| 2813 | ) { |
| 2814 | console.warn( |
| 2815 | '[gateway] canister returned 404 for POST …/evaluation. If the body is {"error":"Not found","code":"NOT_FOUND"}, the hub canister on mainnet likely predates the evaluation route or HTTP upgrade for it — redeploy `hub` from this repo (`hub/icp/README.md` §ICP HTTP gateway behavior).', |
| 2816 | ); |
| 2817 | } |
| 2818 | const hop = filterUpstreamResponseHeadersForDecodedBody(upstream.headers.entries()).filter( |
| 2819 | ([k]) => !['cache-control', 'etag', 'last-modified'].includes(k.toLowerCase()), |
| 2820 | ); |
| 2821 | res.status(upstream.status).set(Object.fromEntries(hop)); |
| 2822 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 2823 | res.send(body); |
| 2824 | } catch (e) { |
| 2825 | console.error('Gateway proxy error:', e.message); |
| 2826 | res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 2827 | } |
| 2828 | } |
| 2829 | |
| 2830 | // Bulk metadata by effective project slug (canister orchestration; not a canister route) |
| 2831 | app.post('/api/v1/notes/delete-by-project', async (req, res) => { |
| 2832 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 2833 | return metadataBulkHandlers.deleteByProject(req, res); |
| 2834 | }); |
| 2835 | app.post('/api/v1/notes/rename-project', async (req, res) => { |
| 2836 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 2837 | return metadataBulkHandlers.renameProject(req, res); |
| 2838 | }); |
| 2839 | |
| 2840 | /** Hosted Enrich: gateway runs LLM and POSTs to canister (not proxied as opaque POST). */ |
| 2841 | app.post('/api/v1/proposals/:proposalId/enrich', async (req, res) => { |
| 2842 | // Express 4 does not auto-catch async route handler exceptions; wrap everything so a |
| 2843 | // rejected promise never leaves the request hanging until Netlify's Lambda timeout. |
| 2844 | try { |
| 2845 | if (!(await runBillingGate(req, res, getUserId))) return; |
| 2846 | const uid = getUserId(req); |
| 2847 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2848 | const proposalId = req.params.proposalId; |
| 2849 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 2850 | const hctx = await getHostedAccessContext(req); |
| 2851 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 2852 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 2853 | } |
| 2854 | const { role } = await resolveHostedActorRole(req, hctx); |
| 2855 | if (role === 'viewer') { |
| 2856 | return res.status(403).json({ error: 'This action requires a different role.', code: 'FORBIDDEN' }); |
| 2857 | } |
| 2858 | const effective = |
| 2859 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 2860 | ? hctx.effective_canister_user_id |
| 2861 | : uid; |
| 2862 | const llmPrefs = await loadHostedProposalLlmPrefs(); |
| 2863 | const enrichEnabled = effectiveHostedEnrich(llmPrefs); |
| 2864 | // Diagnostic: log which LLM provider will be used (visible in Netlify function logs). |
| 2865 | console.log( |
| 2866 | '[gateway/enrich] proposalId=%s enrichEnabled=%s provider=%s', |
| 2867 | proposalId, |
| 2868 | enrichEnabled, |
| 2869 | process.env.OPENAI_API_KEY ? 'openai' : process.env.ANTHROPIC_API_KEY ? 'anthropic' : 'ollama(NO KEY)', |
| 2870 | ); |
| 2871 | const out = await runHostedProposalEnrichAndPost({ |
| 2872 | canisterUrl: CANISTER_URL, |
| 2873 | effectiveUserId: effective, |
| 2874 | actorUserId: uid, |
| 2875 | vaultId, |
| 2876 | proposalId, |
| 2877 | enrichEnabled, |
| 2878 | }); |
| 2879 | if (!out.ok) { |
| 2880 | if (out.status === 404 && out.code === 'NOT_FOUND') { |
| 2881 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 2882 | } |
| 2883 | if (out.status === 404) { |
| 2884 | return res.status(404).json({ error: 'Proposal not found', code: 'NOT_FOUND' }); |
| 2885 | } |
| 2886 | if (out.status === 400) { |
| 2887 | return res.status(400).json({ error: out.detail || 'Bad request', code: out.code || 'BAD_REQUEST' }); |
| 2888 | } |
| 2889 | return res.status(out.status || 500).json({ |
| 2890 | error: out.detail || out.code || 'Enrich failed', |
| 2891 | code: out.code || 'RUNTIME_ERROR', |
| 2892 | }); |
| 2893 | } |
| 2894 | // Return immediately — the frontend calls openProposal() + loadProposals() after this |
| 2895 | // which re-fetches the updated proposal. Eliminating the extra canister GET here removes |
| 2896 | // one full ICP round trip (~1–3 s) from the critical path and prevents Netlify timeout. |
| 2897 | return res.set('Cache-Control', 'private, no-store, must-revalidate').json({ ok: true }); |
| 2898 | } catch (e) { |
| 2899 | console.error('[gateway/enrich] unhandled exception:', e?.stack || e?.message || e); |
| 2900 | if (!res.headersSent) { |
| 2901 | res.status(500).json({ error: e?.message || 'Internal error', code: 'INTERNAL_ERROR' }); |
| 2902 | } |
| 2903 | } |
| 2904 | }); |
| 2905 | |
| 2906 | // --------------------------------------------------------------------------- |
| 2907 | // AIR Improvement D — built-in attestation endpoint |
| 2908 | // --------------------------------------------------------------------------- |
| 2909 | |
| 2910 | app.post('/api/v1/attest', async (req, res) => { |
| 2911 | const uid = getUserId(req); |
| 2912 | if (!uid) { |
| 2913 | return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 2914 | } |
| 2915 | if (!isAttestationConfigured()) { |
| 2916 | return res.status(503).json({ |
| 2917 | error: 'Attestation service not configured (ATTESTATION_SECRET missing or too short).', |
| 2918 | code: 'NOT_CONFIGURED', |
| 2919 | }); |
| 2920 | } |
| 2921 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 2922 | const action = typeof body.action === 'string' ? body.action.trim() : ''; |
| 2923 | if (!action) { |
| 2924 | return res.status(400).json({ error: 'action is required', code: 'BAD_REQUEST' }); |
| 2925 | } |
| 2926 | const notePath = typeof body.path === 'string' ? body.path : ''; |
| 2927 | const contentHash = typeof body.content_hash === 'string' ? body.content_hash : null; |
| 2928 | try { |
| 2929 | const result = await createAttestation(action, notePath, contentHash); |
| 2930 | return res.json(result); |
| 2931 | } catch (e) { |
| 2932 | console.error('[gateway] POST /api/v1/attest error:', e?.message || e); |
| 2933 | return res.status(500).json({ error: 'Attestation failed', code: 'INTERNAL_ERROR' }); |
| 2934 | } |
| 2935 | }); |
| 2936 | |
| 2937 | app.get('/api/v1/attest/:id', async (req, res) => { |
| 2938 | if (!isAttestationConfigured()) { |
| 2939 | return res.status(503).json({ |
| 2940 | error: 'Attestation service not configured (ATTESTATION_SECRET missing or too short).', |
| 2941 | code: 'NOT_CONFIGURED', |
| 2942 | }); |
| 2943 | } |
| 2944 | const id = req.params.id; |
| 2945 | if (!id || !id.startsWith('air-')) { |
| 2946 | return res.status(400).json({ error: 'Invalid attestation id format', code: 'BAD_REQUEST' }); |
| 2947 | } |
| 2948 | try { |
| 2949 | const result = await verifyAttestation(id); |
| 2950 | if (!result.record) { |
| 2951 | return res.status(404).json({ error: 'Attestation not found', code: 'NOT_FOUND' }); |
| 2952 | } |
| 2953 | return res.json(result); |
| 2954 | } catch (e) { |
| 2955 | console.error('[gateway] GET /api/v1/attest/:id error:', e?.message || e); |
| 2956 | return res.status(500).json({ error: 'Verification failed', code: 'INTERNAL_ERROR' }); |
| 2957 | } |
| 2958 | }); |
| 2959 | |
| 2960 | // --------------------------------------------------------------------------- |
| 2961 | // AIR Improvement E — ICP blockchain anchor verification + reconciliation |
| 2962 | // --------------------------------------------------------------------------- |
| 2963 | |
| 2964 | app.get('/api/v1/attest/:id/verify', async (req, res) => { |
| 2965 | if (!isAttestationConfigured()) { |
| 2966 | return res.status(503).json({ |
| 2967 | error: 'Attestation service not configured (ATTESTATION_SECRET missing or too short).', |
| 2968 | code: 'NOT_CONFIGURED', |
| 2969 | }); |
| 2970 | } |
| 2971 | const id = req.params.id; |
| 2972 | if (!id || !id.startsWith('air-')) { |
| 2973 | return res.status(400).json({ error: 'Invalid attestation id format', code: 'BAD_REQUEST' }); |
| 2974 | } |
| 2975 | try { |
| 2976 | const result = await verifyWithIcp(id); |
| 2977 | if (!result.sources.blobs.found && !result.sources.icp.found) { |
| 2978 | return res.status(404).json({ error: 'Attestation not found', code: 'NOT_FOUND', ...result }); |
| 2979 | } |
| 2980 | return res.json(result); |
| 2981 | } catch (e) { |
| 2982 | console.error('[gateway] GET /api/v1/attest/:id/verify error:', e?.message || e); |
| 2983 | return res.status(500).json({ error: 'Verification failed', code: 'INTERNAL_ERROR' }); |
| 2984 | } |
| 2985 | }); |
| 2986 | |
| 2987 | app.post('/api/v1/attest/anchor-pending', requireAdmin, async (req, res) => { |
| 2988 | if (!isAttestationConfigured()) { |
| 2989 | return res.status(503).json({ |
| 2990 | error: 'Attestation service not configured (ATTESTATION_SECRET missing or too short).', |
| 2991 | code: 'NOT_CONFIGURED', |
| 2992 | }); |
| 2993 | } |
| 2994 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 2995 | const ids = Array.isArray(body.ids) ? body.ids.filter((x) => typeof x === 'string' && x.startsWith('air-')) : []; |
| 2996 | if (ids.length === 0) { |
| 2997 | return res.status(400).json({ error: 'ids array with air-* entries is required', code: 'BAD_REQUEST' }); |
| 2998 | } |
| 2999 | if (ids.length > 100) { |
| 3000 | return res.status(400).json({ error: 'Maximum 100 IDs per batch', code: 'BAD_REQUEST' }); |
| 3001 | } |
| 3002 | try { |
| 3003 | const result = await anchorPendingAttestations(ids); |
| 3004 | return res.json(result); |
| 3005 | } catch (e) { |
| 3006 | console.error('[gateway] POST /api/v1/attest/anchor-pending error:', e?.message || e); |
| 3007 | return res.status(500).json({ error: 'Anchor failed', code: 'INTERNAL_ERROR' }); |
| 3008 | } |
| 3009 | }); |
| 3010 | |
| 3011 | /** |
| 3012 | * Hosted: single-note export for Hub UI (POST /api/v1/export). Self-hosted Node Hub implements |
| 3013 | * this with filesystem; the ICP canister only supports GET /api/v1/export (full vault JSON), so |
| 3014 | * POST was returning 404 from the canister. We fetch the note and build the same download payload |
| 3015 | * as lib/export.mjs. |
| 3016 | */ |
| 3017 | app.post('/api/v1/export', async (req, res) => { |
| 3018 | if (!CANISTER_URL) { |
| 3019 | return res.status(503).json({ error: 'Hosted export not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 3020 | } |
| 3021 | if (!(await runBillingGate(req, res, getUserId, { getNoteCount: getNoteCountForUser }))) return; |
| 3022 | const uid = getUserId(req); |
| 3023 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 3024 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 3025 | const notePath = typeof body.path === 'string' ? body.path.replace(/\\/g, '/').trim() : ''; |
| 3026 | const fmt = body.format === 'html' ? 'html' : 'md'; |
| 3027 | if (!notePath || notePath.includes('..') || notePath.startsWith('/')) { |
| 3028 | return res.status(400).json({ error: 'path required', code: 'BAD_REQUEST' }); |
| 3029 | } |
| 3030 | const vaultId = String(req.headers['x-vault-id'] || 'default').trim() || 'default'; |
| 3031 | const hctx = await getHostedAccessContext(req); |
| 3032 | if (hctx && Array.isArray(hctx.allowed_vault_ids) && !hctx.allowed_vault_ids.includes(vaultId)) { |
| 3033 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 3034 | } |
| 3035 | const effective = |
| 3036 | hctx && typeof hctx.effective_canister_user_id === 'string' && hctx.effective_canister_user_id |
| 3037 | ? hctx.effective_canister_user_id |
| 3038 | : uid; |
| 3039 | const enc = notePath.split('/').map(encodeURIComponent).join('/'); |
| 3040 | const url = `${CANISTER_URL}/api/v1/notes/${enc}`; |
| 3041 | let upstream; |
| 3042 | try { |
| 3043 | upstream = await fetch(url, { |
| 3044 | method: 'GET', |
| 3045 | headers: { |
| 3046 | Accept: 'application/json', |
| 3047 | 'x-user-id': effective, |
| 3048 | 'x-actor-id': uid, |
| 3049 | 'x-vault-id': vaultId, |
| 3050 | ...canisterAuthHeaders(), |
| 3051 | }, |
| 3052 | }); |
| 3053 | } catch (e) { |
| 3054 | console.error('[gateway] export fetch note:', e?.message || e); |
| 3055 | return res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 3056 | } |
| 3057 | const text = await upstream.text(); |
| 3058 | if (upstream.status === 404) { |
| 3059 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 3060 | } |
| 3061 | if (!upstream.ok) { |
| 3062 | return res.status(upstream.status).type('application/json').send(text); |
| 3063 | } |
| 3064 | let note; |
| 3065 | try { |
| 3066 | note = JSON.parse(text); |
| 3067 | } catch { |
| 3068 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 3069 | } |
| 3070 | const scope = scopeActiveForGateway(hctx) ? hctx.scope : null; |
| 3071 | if (scope) { |
| 3072 | const withProj = { |
| 3073 | path: note.path, |
| 3074 | project: materializeListFrontmatter(note.frontmatter).project ?? null, |
| 3075 | }; |
| 3076 | const filtered = applyScopeFilterToNotes([withProj], scope); |
| 3077 | if (filtered.length === 0) { |
| 3078 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 3079 | } |
| 3080 | } |
| 3081 | const fm = materializeListFrontmatter(note.frontmatter); |
| 3082 | const { content, filename } = exportNoteRecordToContent( |
| 3083 | { body: note.body != null ? String(note.body) : '', frontmatter: fm }, |
| 3084 | note.path || notePath, |
| 3085 | { format: fmt }, |
| 3086 | ); |
| 3087 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 3088 | return res.json({ content, filename }); |
| 3089 | }); |
| 3090 | |
| 3091 | /** |
| 3092 | * Cross-vault copy/move (hosted gateway): GET note from canister vault A, POST to vault B, optional DELETE on A. |
| 3093 | * Conflicts: if `path` already exists in the target vault, the write **overwrites** (same as POST /notes). |
| 3094 | * After success, triggers bridge **Re-index** for the target vault and, when moving, the source vault (fire-and-forget). |
| 3095 | */ |
| 3096 | app.post('/api/v1/notes/copy', async (req, res) => { |
| 3097 | if (!CANISTER_URL) { |
| 3098 | return res.status(503).json({ error: 'Hosted copy not configured', code: 'SERVICE_UNAVAILABLE' }); |
| 3099 | } |
| 3100 | if (!(await runBillingGate(req, res, getUserId, { getNoteCount: getNoteCountForUser }))) return; |
| 3101 | const uid = getUserId(req); |
| 3102 | if (!uid) return res.status(401).json({ error: 'Unauthorized', code: 'UNAUTHORIZED' }); |
| 3103 | const authHeader = req.headers.authorization || ''; |
| 3104 | const body = req.body && typeof req.body === 'object' ? req.body : {}; |
| 3105 | const fromVault = typeof body.from_vault_id === 'string' ? body.from_vault_id.replace(/\\/g, '/').trim() : ''; |
| 3106 | const toVault = typeof body.to_vault_id === 'string' ? body.to_vault_id.replace(/\\/g, '/').trim() : ''; |
| 3107 | const notePath = typeof body.path === 'string' ? body.path.replace(/\\/g, '/').trim() : ''; |
| 3108 | const deleteSource = body.delete_source === true; |
| 3109 | if (!fromVault || !toVault || !notePath || notePath.includes('..') || notePath.startsWith('/')) { |
| 3110 | return res.status(400).json({ |
| 3111 | error: 'from_vault_id, to_vault_id, and path are required (vault-relative path)', |
| 3112 | code: 'BAD_REQUEST', |
| 3113 | }); |
| 3114 | } |
| 3115 | if (fromVault === toVault) { |
| 3116 | return res.status(400).json({ error: 'from_vault_id and to_vault_id must differ', code: 'BAD_REQUEST' }); |
| 3117 | } |
| 3118 | /** @type {Record<string, unknown>|null} */ |
| 3119 | let hctxFrom = null; |
| 3120 | if (BRIDGE_URL) { |
| 3121 | hctxFrom = await fetchHostedAccessContextForVault(authHeader, fromVault); |
| 3122 | if (!hctxFrom) { |
| 3123 | return res.status(403).json({ error: 'Hosted workspace context unavailable.', code: 'FORBIDDEN' }); |
| 3124 | } |
| 3125 | if (Array.isArray(hctxFrom.allowed_vault_ids)) { |
| 3126 | if (!hctxFrom.allowed_vault_ids.includes(fromVault) || !hctxFrom.allowed_vault_ids.includes(toVault)) { |
| 3127 | return res.status(403).json({ error: 'Access to this vault is not allowed.', code: 'FORBIDDEN' }); |
| 3128 | } |
| 3129 | } |
| 3130 | } |
| 3131 | const { role } = await resolveHostedActorRole(req, hctxFrom); |
| 3132 | if (role === 'viewer') { |
| 3133 | return res.status(403).json({ error: 'This action requires editor or admin.', code: 'FORBIDDEN' }); |
| 3134 | } |
| 3135 | const effective = |
| 3136 | hctxFrom && typeof hctxFrom.effective_canister_user_id === 'string' && hctxFrom.effective_canister_user_id |
| 3137 | ? hctxFrom.effective_canister_user_id |
| 3138 | : uid; |
| 3139 | const enc = notePath.split('/').map(encodeURIComponent).join('/'); |
| 3140 | const getUrl = `${CANISTER_URL}/api/v1/notes/${enc}`; |
| 3141 | let upstream; |
| 3142 | try { |
| 3143 | upstream = await fetch(getUrl, { |
| 3144 | method: 'GET', |
| 3145 | headers: { |
| 3146 | Accept: 'application/json', |
| 3147 | 'x-user-id': effective, |
| 3148 | 'x-actor-id': uid, |
| 3149 | 'x-vault-id': fromVault, |
| 3150 | ...canisterAuthHeaders(), |
| 3151 | }, |
| 3152 | }); |
| 3153 | } catch (e) { |
| 3154 | console.error('[gateway] notes/copy fetch source:', e?.message || e); |
| 3155 | return res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 3156 | } |
| 3157 | const getText = await upstream.text(); |
| 3158 | if (upstream.status === 404) { |
| 3159 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 3160 | } |
| 3161 | if (!upstream.ok) { |
| 3162 | return res.status(upstream.status).type('application/json').send(getText); |
| 3163 | } |
| 3164 | let note; |
| 3165 | try { |
| 3166 | note = JSON.parse(getText); |
| 3167 | } catch { |
| 3168 | return res.status(502).json({ error: 'Invalid note response', code: 'BAD_GATEWAY' }); |
| 3169 | } |
| 3170 | const scope = scopeActiveForGateway(hctxFrom) ? hctxFrom.scope : null; |
| 3171 | if (scope) { |
| 3172 | const withProj = { |
| 3173 | path: note.path, |
| 3174 | project: materializeListFrontmatter(note.frontmatter).project ?? null, |
| 3175 | }; |
| 3176 | const filtered = applyScopeFilterToNotes([withProj], scope); |
| 3177 | if (filtered.length === 0) { |
| 3178 | return res.status(404).json({ error: 'Not found', code: 'NOT_FOUND' }); |
| 3179 | } |
| 3180 | } |
| 3181 | const outPath = note.path || notePath; |
| 3182 | let fmRaw = note.frontmatter; |
| 3183 | if (typeof fmRaw === 'string') { |
| 3184 | try { |
| 3185 | fmRaw = fmRaw.trim() ? JSON.parse(fmRaw) : {}; |
| 3186 | } catch { |
| 3187 | fmRaw = {}; |
| 3188 | } |
| 3189 | } |
| 3190 | if (!fmRaw || typeof fmRaw !== 'object' || Array.isArray(fmRaw)) { |
| 3191 | fmRaw = {}; |
| 3192 | } |
| 3193 | let gatewayAirId = null; |
| 3194 | if (process.env.KNOWTATION_AIR_ENDPOINT) { |
| 3195 | try { |
| 3196 | const { attestBeforeWrite: gwAttest } = await import('../../lib/air.mjs'); |
| 3197 | const airId = await gwAttest( |
| 3198 | { air: { enabled: true, required: false, endpoint: process.env.KNOWTATION_AIR_ENDPOINT } }, |
| 3199 | outPath, |
| 3200 | ); |
| 3201 | if (airId && airId !== 'air-placeholder-write') { |
| 3202 | gatewayAirId = airId; |
| 3203 | } |
| 3204 | } catch (e) { |
| 3205 | console.error('[gateway] AIR attestation (copy, non-fatal):', e?.message || String(e)); |
| 3206 | } |
| 3207 | } |
| 3208 | const postBody = mergeHostedNoteBodyForCanister( |
| 3209 | { |
| 3210 | path: outPath, |
| 3211 | body: note.body != null ? String(note.body) : '', |
| 3212 | frontmatter: fmRaw, |
| 3213 | }, |
| 3214 | uid, |
| 3215 | gatewayAirId, |
| 3216 | ); |
| 3217 | const postHeaders = { |
| 3218 | 'Content-Type': 'application/json', |
| 3219 | Accept: 'application/json', |
| 3220 | host: new URL(CANISTER_URL).host, |
| 3221 | 'x-user-id': effective, |
| 3222 | 'x-actor-id': uid, |
| 3223 | 'x-vault-id': toVault, |
| 3224 | ...canisterAuthHeaders(), |
| 3225 | }; |
| 3226 | const postOpts = { method: 'POST', headers: postHeaders, body: JSON.stringify(postBody) }; |
| 3227 | stripStaleOutboundBodyHeaders(postHeaders); |
| 3228 | let postUpstream; |
| 3229 | try { |
| 3230 | postUpstream = await fetch(`${CANISTER_URL}/api/v1/notes`, postOpts); |
| 3231 | } catch (e) { |
| 3232 | console.error('[gateway] notes/copy post target:', e?.message || e); |
| 3233 | return res.status(502).json({ error: 'Bad Gateway', code: 'BAD_GATEWAY' }); |
| 3234 | } |
| 3235 | const postText = await postUpstream.text(); |
| 3236 | if (!postUpstream.ok) { |
| 3237 | return res.status(postUpstream.status).type('application/json').send(postText); |
| 3238 | } |
| 3239 | if (deleteSource) { |
| 3240 | let delUpstream; |
| 3241 | try { |
| 3242 | delUpstream = await fetch(getUrl, { |
| 3243 | method: 'DELETE', |
| 3244 | headers: { |
| 3245 | Accept: 'application/json', |
| 3246 | 'x-user-id': effective, |
| 3247 | 'x-actor-id': uid, |
| 3248 | 'x-vault-id': fromVault, |
| 3249 | ...canisterAuthHeaders(), |
| 3250 | }, |
| 3251 | }); |
| 3252 | } catch (e) { |
| 3253 | console.error('[gateway] notes/copy delete source:', e?.message || e); |
| 3254 | return res.status(502).json({ |
| 3255 | error: |
| 3256 | 'Note was copied to the target vault but deleting the source failed. Remove the duplicate from the target vault if you retry.', |
| 3257 | code: 'DELETE_FAILED', |
| 3258 | }); |
| 3259 | } |
| 3260 | const delText = await delUpstream.text(); |
| 3261 | if (!delUpstream.ok && delUpstream.status !== 404) { |
| 3262 | return res.status(delUpstream.status).json({ |
| 3263 | error: 'Note was copied to the target vault but deleting the source failed.', |
| 3264 | code: 'DELETE_FAILED', |
| 3265 | detail: typeof delText === 'string' ? delText.slice(0, 500) : '', |
| 3266 | }); |
| 3267 | } |
| 3268 | } |
| 3269 | const reindexVaults = deleteSource ? [toVault, fromVault] : [toVault]; |
| 3270 | void (async () => { |
| 3271 | if (!BRIDGE_URL) return; |
| 3272 | for (const vid of reindexVaults) { |
| 3273 | try { |
| 3274 | const idxRes = await fetch(BRIDGE_URL + '/api/v1/index', { |
| 3275 | method: 'POST', |
| 3276 | headers: { |
| 3277 | Authorization: authHeader, |
| 3278 | Accept: 'application/json', |
| 3279 | 'Content-Type': 'application/json', |
| 3280 | 'X-Vault-Id': String(vid || 'default').trim() || 'default', |
| 3281 | }, |
| 3282 | body: '{}', |
| 3283 | }); |
| 3284 | const idxText = await idxRes.text(); |
| 3285 | await recordIndexingTokensAfterBridgeIndex(uid, idxRes.status, idxText); |
| 3286 | } catch (e) { |
| 3287 | console.warn('[gateway] notes/copy reindex:', e?.message || e); |
| 3288 | } |
| 3289 | } |
| 3290 | })(); |
| 3291 | res.set('Cache-Control', 'private, no-store, must-revalidate'); |
| 3292 | return res.json({ |
| 3293 | ok: true, |
| 3294 | path: outPath, |
| 3295 | from_vault_id: fromVault, |
| 3296 | to_vault_id: toVault, |
| 3297 | moved: deleteSource, |
| 3298 | }); |
| 3299 | }); |
| 3300 | |
| 3301 | app.use('/api/v1', async (req, res) => { |
| 3302 | if (req.method === 'OPTIONS') return res.status(204).end(); |
| 3303 | if (!(await runBillingGate(req, res, getUserId, { getNoteCount: getNoteCountForUser }))) return; |
| 3304 | return proxyToCanister(req, res); |
| 3305 | }); |
| 3306 | |
| 3307 | // Health from canister if UI calls /health via same origin |
| 3308 | app.get('/api/v1/health-canister', async (_req, res) => { |
| 3309 | try { |
| 3310 | const r = await fetch(CANISTER_URL + '/health'); |
| 3311 | const body = await r.text(); |
| 3312 | res.status(r.status).set('Content-Type', 'application/json').send(body); |
| 3313 | } catch (e) { |
| 3314 | res.status(502).json({ ok: false, error: e.message }); |
| 3315 | } |
| 3316 | }); |
| 3317 | |
| 3318 | app.use((err, req, res, next) => { |
| 3319 | if (res.headersSent) return next(err); |
| 3320 | console.error('[gateway] unhandled error:', err?.stack || err?.message || err); |
| 3321 | const status = |
| 3322 | typeof err.status === 'number' && err.status >= 400 && err.status < 600 |
| 3323 | ? err.status |
| 3324 | : typeof err.statusCode === 'number' && err.statusCode >= 400 && err.statusCode < 600 |
| 3325 | ? err.statusCode |
| 3326 | : 500; |
| 3327 | res.status(status).json({ |
| 3328 | error: err.message || 'Internal error', |
| 3329 | code: err.code || 'INTERNAL_ERROR', |
| 3330 | }); |
| 3331 | }); |
| 3332 | |
| 3333 | // When running on Netlify, the app is imported by netlify/functions/gateway.mjs and not started here. |
| 3334 | if (!process.env.NETLIFY) { |
| 3335 | if (!CANISTER_URL) { |
| 3336 | console.error('Gateway: CANISTER_URL is required (e.g. https://<canister-id>.ic0.app)'); |
| 3337 | process.exit(1); |
| 3338 | } |
| 3339 | if (!SESSION_SECRET) { |
| 3340 | console.error('Gateway: SESSION_SECRET or HUB_JWT_SECRET is required'); |
| 3341 | process.exit(1); |
| 3342 | } |
| 3343 | if (!CANISTER_AUTH_SECRET && CANISTER_URL) { |
| 3344 | console.warn( |
| 3345 | '\x1b[33m[SECURITY] CANISTER_AUTH_SECRET is not set. ' + |
| 3346 | 'The canister will not verify gateway identity. ' + |
| 3347 | 'Set CANISTER_AUTH_SECRET and call admin_set_gateway_auth_secret on the canister before public launch.\x1b[0m' |
| 3348 | ); |
| 3349 | } |
| 3350 | if (CANISTER_URL && !billingEnforced()) { |
| 3351 | console.warn( |
| 3352 | '\x1b[33m[SECURITY] BILLING_ENFORCE is not set to true. ' + |
| 3353 | 'Billing limits (storage cap, usage gates) are not enforced. ' + |
| 3354 | 'Set BILLING_ENFORCE=true before public launch on hosted deployment.\x1b[0m' |
| 3355 | ); |
| 3356 | } |
| 3357 | app.listen(PORT, () => { |
| 3358 | console.log(`Knowtation Hub Gateway listening on http://localhost:${PORT}`); |
| 3359 | console.log(' Canister: ' + CANISTER_URL); |
| 3360 | console.log(' UI origin: ' + HUB_UI_ORIGIN); |
| 3361 | console.log(' Login: GET /auth/login?provider=google|github'); |
| 3362 | }); |
| 3363 | } |
| 3364 | |
| 3365 | export { app }; |
File History
9 commits
sha256:6f47d53a6adbcf105ba1b9cfc126c788d6a0f461d197f84f78794914305b4bd5
fix(mcp): bound hosted discovery context
Human
patch
12 hours ago
sha256:2827ba9e7632a4b141c50caf1e8f7d77abbc3515be20e7465f2bccb0ac4edf91
fix: repair endpoint now sets has_active_subscription when …
Human
minor
⚠
5 days ago
sha256:75b9b3ba09df2ea3ca5f64ae1b823c3b157771ef12447a0fc89b806d9e9ea050
Add admin billing repair endpoint with 7-tier tests
Human
minor
⚠
5 days ago
sha256:8d46372e39d2d5a54fd93a8b1c27922fe0d9b22a72197345f1d2c71701cc4ce2
feat(auth): persistent login system + C7 session introspection
Human
minor
⚠
6 days ago
sha256:733a05568d553ecc0c294f0048a2c8a7d0a4e6538d3b5618cc3c93fa55472757
Add structural REST bridges
Human
minor
⚠
13 days ago
sha256:d2f3bd616fe6df6241df70aad61b452c736422931fc6a20518a344f33337e619
Add NoteOutline REST bridge
Human
minor
⚠
13 days ago
sha256:a1fb9436e34e4a809871df484bffcc498b4f6ddf661d2e5079600b0bc7b6727a
Add SectionSource Hub REST runtime
Human
patch
14 days ago
sha256:2967f1973b9f865fe5fd4945e35d3e4b43847fbdcee8c7ab4d41f0fd57b5282a
feat(gateway): add Scooling write-back smoke endpoint
Human
minor
⚠
16 days ago
sha256:aeff9d7c077329f4ec5e6617ecf10b1fcb7d08b110a3018b315ef974f8e01cb4
fix(hub): restore note detail actions for viewer and evaluator
Human
minor
⚠
25 days ago