fix: scope NIP-11 accept routing to root and handle array Accept headers (#532)

Author: Justxd22

src/handlers/request-handlers/root-request-handler.ts

@@ -14,7 +14,9 @@ export const hasExplicitNostrJsonAcceptHeader = (request: Request): boolean => {
     return false
   }
 
-  return acceptHeader.split(',').some((token) => {
+  const acceptHeaderValue = Array.isArray(acceptHeader) ? acceptHeader.join(',') : acceptHeader
+
+  return acceptHeaderValue.split(',').some((token) => {
     const [mediaType, ...params] = token
       .split(';')
       .map((value) => value.trim().toLowerCase())

src/routes/index.ts

@@ -13,7 +13,7 @@ import { hasExplicitNostrJsonAcceptHeader, rootRequestHandler } from '../handler
 const router = express.Router()
 
 router.use((req, res, next) => {
-  if (req.method === 'GET' && hasExplicitNostrJsonAcceptHeader(req)) {
+  if (req.method === 'GET' && req.path === '/' && hasExplicitNostrJsonAcceptHeader(req)) {
     return rootRequestHandler(req, res, next)
   }
   next()