From 78944fffed51306762c335cbd7c6e16170dad9e3 Mon Sep 17 00:00:00 2001
From: Clifton Palmer <clifton.james.palmer@protonmail.com>
Date: Mon, 28 Aug 2023 04:49:53 -0500
Subject: [PATCH] Updated publish with FQDN override

---
 docker-compose.yml |  2 +-
 lua/publish.lua    | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index e793fa4..96979c9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
         environment:
         - PUBLIC_ROOT_DIR=/storage
         - PUBLIC_LINK_DIR=/usr/local/apache2/htdocs
-        - PUBLIC_FQDN_OVERRIDE=https://public.purplebirdman.com
+#       - PUBLIC_FQDN_OVERRIDE=https://public.purplebirdman.com
         ports:
         - 80:80
 volumes:
diff --git a/lua/publish.lua b/lua/publish.lua
index 5fa18c0..a132c70 100644
--- a/lua/publish.lua
+++ b/lua/publish.lua
@@ -25,9 +25,13 @@ function handle(r)
 
     if pattern then
         local nonce = publish(r.context_document_root, pattern)
-        local uri = ("%s://%s:%s/%s"):format(
-            r.is_https and "https" or "http", 
-            r.server_name, r.port, nonce)
+
+        -- if FQDN override is set,
+        -- use override instead of my own server name and port number
+        local fqdn = os.getenv('PUBLIC_FQDN_OVERRIDE')
+        fqdn = fqdn or (r.is_https and "https" or "http") .. "://" .. r.server_name .. ":" ..r.port
+
+        local uri = ("%s/%s"):format(fqdn, nonce)
         r:puts( ([[<a href="%s">%s</a>]]):format(uri, uri) )
     else
         local template = get_form(r.context_document_root)
-- 
2.47.2