# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1641830038 -3600
# Node ID e7639625a848344f4eddbce714f2b96580f6e005
# Parent  39921b979edba2721cc57cfb306e767aa59c1e62
mod_storage_xep0227: Fix writing non-user data

Attempt to concatenate nil 'user'

Not much data actually makes sense but the migrator tries to write or
clear these.

diff -r 39921b979edb -r e7639625a848 plugins/mod_storage_xep0227.lua
--- a/plugins/mod_storage_xep0227.lua	Mon Jan 10 15:50:55 2022 +0000
+++ b/plugins/mod_storage_xep0227.lua	Mon Jan 10 16:53:58 2022 +0100
@@ -7,6 +7,7 @@
 local io_open = io.open;
 local jid_bare = require "util.jid".bare;
 local jid_prep = require "util.jid".prep;
+local jid_join = require "util.jid".join;
 
 local array = require "util.array";
 local base64 = require "util.encodings".base64;
@@ -21,7 +22,7 @@
 local lfs = require "lfs";
 
 local function default_get_user_xml(self, user, host) --luacheck: ignore 212/self
-	local jid = user.."@"..host;
+	local jid = jid_join(user, host);
 	local path = paths.join(prosody.paths.data, jid..".xml");
 	local f, err = io_open(path);
 	if not f then
@@ -34,7 +35,7 @@
 	return parse_xml_real(s);
 end
 local function default_set_user_xml(user, host, xml)
-	local jid = user.."@"..host;
+	local jid = jid_join(user, host);
 	local path = paths.join(prosody.paths.data, jid..".xml");
 	local f, err = io_open(path, "w");
 	if not f then return f, err; end