Gate admin menu and authoring with shared JWT

server/auth.ts

@@ -0,0 +1,38 @@
+import type { NextFunction, Request, Response } from 'express'
+import jwt, { type JwtPayload } from 'jsonwebtoken'
+
+export type OsintClaims = JwtPayload & { role?: string; isAdmin?: boolean }
+
+declare global {
+  namespace Express {
+    interface Request { authClaims?: OsintClaims }
+  }
+}
+
+export function authenticateJwt(req: Request, _res: Response, next: NextFunction) {
+  const authorization = req.headers.authorization
+  const token = req.cookies?.auth_token || (authorization?.startsWith('Bearer ') ? authorization.slice(7) : undefined)
+  const secret = process.env.JWT_SECRET
+  if (token && secret) {
+    try {
+      const decoded = jwt.verify(token, secret)
+      if (typeof decoded !== 'string') req.authClaims = decoded as OsintClaims
+    } catch { /* An absent, expired, or invalid cookie is an anonymous session. */ }
+  }
+  next()
+}
+
+export function hasAdminClaim(req: Request) {
+  return req.authClaims?.role === 'admin' || req.authClaims?.isAdmin === true
+}
+
+export function requireAdmin(req: Request, res: Response, next: NextFunction) {
+  if (!hasAdminClaim(req)) return res.status(403).json({ error: 'Administrator claim required' })
+  next()
+}
+
+export function createDevelopmentAdminToken() {
+  if (process.env.NODE_ENV === 'production') throw new Error('Development sessions are disabled in production')
+  if (!process.env.JWT_SECRET) throw new Error('JWT_SECRET is required')
+  return jwt.sign({ sub: 'osint-local-admin', role: 'admin', isAdmin: true }, process.env.JWT_SECRET, { expiresIn: '7d' })
+}