--- a/mod_http_upload/mod_http_upload.lua	Wed Aug 25 10:22:37 2021 +0200
+++ b/mod_http_upload/mod_http_upload.lua	Wed Aug 25 12:52:33 2021 +0200
@@ -7,6 +7,14 @@
 -- Implementation of HTTP Upload file transfer mechanism used by Conversations
 --
 
+-- depends
+module:depends("http");
+module:depends("disco");
+
+if module:http_url():match("^http://") then
+	error("File upload MUST happen with TLS but it isn’t enabled, see https://prosody.im/doc/http for how to fix this issue");
+end
+
 -- imports
 local st = require"util.stanza";
 local lfs = require"lfs";
@@ -47,10 +55,6 @@
 	module:log("warn", "mod_%s loaded on a user host, this may be incompatible with some client software, see docs for correct usage", module.name);
 end
 
--- depends
-module:depends("http");
-module:depends("disco");
-
 local http_files;
 
 if not pcall(function ()
@@ -198,11 +202,6 @@
 		module:log("debug", "Upload of %dB by %s would exceed quota", filesize, user_bare);
 		return nil, st.error_reply(stanza, "wait", "resource-constraint", "Quota reached");
 	end
-	local base_url = module:http_url();
-	if base_url:match("^http://") then
-		module:log("error", "File upload MUST happen with TLS but it isn’t enabled, see https://prosody.im/doc/http for how to fix this issue");
-		return nil, st.error_reply(stanza, "wait", "internal-server-error", "HTTPS is not configured properly on the server");
-	end
 
 	local random_dir = uuid();
 	local created, err = lfs.mkdir(join_path(storage_path, random_dir));
@@ -230,6 +229,7 @@
 
 	origin.log("debug", "Given upload slot %q", slot);
 
+	local base_url = module:http_url();
 	local slot_url = url.parse(base_url);
 	slot_url.path = url.parse_path(slot_url.path or "/");
 	t_insert(slot_url.path, random_dir);