support binary files

src/server.tsx

@@ -16,6 +16,7 @@ type Response = {
     status: number
     headers: Record<string, string>,
     body: string
+    isBinary?: boolean
 }
 
 type Success = {
@@ -77,7 +78,7 @@ app.get("/tunnel", c => {
     })
 })
 
-app.get("*", async c => {
+app.all("*", async c => {
     const url = new URL(c.req.url)
     const localhost = url.hostname.endsWith("localhost")
     const domains = url.hostname.split(".")
@@ -107,6 +108,14 @@ app.get("*", async c => {
         })
     })
 
+    if (result.isBinary) {
+        const buffer = Buffer.from(result.body, 'base64')
+        return new Response(buffer, {
+            status: result.status,
+            headers: result.headers,
+        })
+    }
+
     return new Response(result.body, {
         status: result.status,
         headers: result.headers,