From e03f9dc720cb3d7e0f9edc888667e24d8c929409 Mon Sep 17 00:00:00 2001
From: Aaron Jackson <ajackson002@dundee.ac.uk>
Date: Thu, 18 Apr 2024 09:11:51 +0100
Subject: [PATCH] Replace internal proxy pass with curl

---
 reverse_proxy/templates/generic.conf.j2 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/reverse_proxy/templates/generic.conf.j2 b/reverse_proxy/templates/generic.conf.j2
index f3974b7..99346f6 100644
--- a/reverse_proxy/templates/generic.conf.j2
+++ b/reverse_proxy/templates/generic.conf.j2
@@ -5,7 +5,13 @@ server {
   # Internal only endpoint for performing a proxy pass to the cran mirror.
   location /{{ generic_name }}-fetch {
     internal;
-    proxy_pass {{ upstream_endpoint }};
+    rewrite_by_lua_block {
+      local uri = ngx.var.uri:gsub("{{ generic_name }}%-fetch", "")
+      local curl = io.popen("/usr/bin/curl \"{{ upstream_endpoint }}" .. uri .. "\"")
+      ngx.print(curl:read('*a'))
+      curl:close();
+      ngx.exit(ngx.HTTP_OK)
+    }
   }
 
   # Define an EICAR endpoint for verifying that the reverse proxy is