{...}: some minor fixes...

- Correct parent host patternization in mod_muc_limits
- Make http_file_delete_secret option required only if http_file_external_delete_url is defined

plugins/http_upload_external/mod_http_upload_external.lua

@@ -31,7 +31,8 @@ local file_cleanup_whitelist = module:get_option_set("http_file_no_expire_whitel
 local base_url = assert(module:get_option_string("http_file_external_url"), "http_file_external_url is a required option");
 local delete_base_url = module:get_option_string("http_file_external_delete_url");
 local secret = assert(module:get_option_string("http_file_secret"), "http_file_secret is a required option");
-local delete_secret = assert(module:get_option_string("http_file_delete_secret"), "http_file_delete_secret is a required option");
+local delete_secret = delete_base_url and assert(
+	module:get_option_string("http_file_delete_secret"), "http_file_delete_secret is a required option if deletion is enabled");
 
 -- namespace
 local legacy_namespace = "urn:xmpp:http:upload";

plugins/mod_muc_limits.lua

@@ -23,7 +23,7 @@ local xmlns_muc = "http://jabber.org/protocol/muc";
 local period = math.max(module:get_option_number("muc_event_rate", 0.5), 0);
 local burst = math.max(module:get_option_number("muc_burst_factor", 6), 1);
 local exclusion_list = module:get_option_set("muc_throttle_host_exclusion");
-local parent_host = module:get_option_boolean("muc_whitelist_parent_peers") == true and module.host:match("%.(.*)");
+local parent_host = module:get_option_boolean("muc_whitelist_parent_peers") == true and module.host:match("%.([^%.].*)");
 local disconnect_after = module:get_option_number("muc_disconnect_after_throttles", 20);
 local use_gate_guard = module:get_option_boolean("muc_use_gate_guard", true);
 local gate_guard_hits = module:get_option_number("muc_gate_guard_max_hits", 150);