refactor(dns): simplify region-specific DNS query handling and routing

Author: ccbikai

api/dns-query.ts renamed to api/dns.ts

@@ -8,7 +8,6 @@ export const config = {
 
 const app = new Hono().basePath('/api')
 
-app.get('*', c =>
-  c.json({ message: 'Hello Edge!', regions: REGIONS }))
+app.get('*', c => c.json({ message: 'Hello Edge!', regions: REGIONS }))
 
 export default handle(app)

api/index.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/arn1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/bom1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/cdg1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/cle1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/cpt1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/dub1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/fra1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/gru1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/hkg1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/hnd1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/iad1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/icn1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/kix1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/lhr1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/pdx1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/sfo1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/sin1.ts

@@ -1,4 +1,4 @@
-export { default } from '../dns-query'
+export { default } from '../dns'
 
 export const config = {
   runtime: 'edge',

api/region/syd1.ts

@@ -32,7 +32,7 @@ app.use('*', async (c, next) => {
   return corsMiddlewareHandler(c, next)
 })
 
-app.get('*', async (c) => {
+app.get('/api/region/*', async (c) => {
   const accept = c.req.header('accept') || ''
   const { search } = new URL(c.req.raw.url)
   const { resolver = defaultResolver, dns, region } = c.req.query()
@@ -47,7 +47,7 @@ app.get('*', async (c) => {
   const requestByWorkerProxy = regionConfig?.provider === 'cloudflare' && !requestFromWorker
 
   const dohServer = requestByWorkerProxy
-    ? ['worker', `https://${c.env.WORKER_HOST}/dns-query`]
+    ? ['worker', `https://${c.env.WORKER_HOST}/api/region/${region}`]
     : getResolver(resolver)
   const DNSapi = /application\/dns-message/.test(accept) && !requestByWorkerProxy
     ? `${dohServer[1]}?dns=${dns}`