From 1042d4a4f5745a319e6c66025aef3fb7570ffe13 Mon Sep 17 00:00:00 2001
From: Nathan Woodburn <github@nathan.woodburn.au>
Date: Fri, 15 Dec 2023 15:03:56 +1100
Subject: [PATCH] test chat gpt's solution

---
 nginx.conf | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/nginx.conf b/nginx.conf
index 3b1010f..33f7bb9 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -14,22 +14,40 @@ map $host $upstream {
     ~^hnsns\.net$ hnsns.net;
 }
 
-
 server {
     listen 80;
-    # Catch all servers
     server_name _;
 
     location / {
+        # Dynamically set the Host header based on the chosen upstream
+        set $upstream_host "";
 
-        proxy_pass https://$upstream;
+        if ($host ~* ^doh\.hnshosting\.au$) {
+            set $upstream_host doh.hnshosting.au;
+        }
+        if ($host ~* ^easyhandshake\.com$) {
+            set $upstream_host easyhandshake.com;
+        }
+        if ($host ~* ^doh\.hnsdns\.com$) {
+            set $upstream_host doh.hnsdns.com;
+        }
+        if ($host ~* ^hs\.dnssec\.dev$) {
+            set $upstream_host hs.dnssec.dev;
+        }
+        if ($host ~* ^hnsns\.net$) {
+            set $upstream_host hnsns.net;
+        }
+
+        proxy_pass https://dynamic_upstream;
+    }
+
+    location @dynamic_upstream {
+        # Use a named location to set proxy_pass dynamically
+        proxy_pass https://$upstream_host;
         proxy_ssl_verify off;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
-
-        # Show which node served the request in logs
         add_header X-Load-Balancer-Node $upstream_addr;
-
     }
 }