# HG changeset patch
# User Waqas Hussain <waqas20@gmail.com>
# Date 1243835045 -18000
# Node ID 1bf897de6c2473830a4b37938a62e3344a0013a1
# Parent  605a732342302967cb2c44f8ae6d234c4593fbab
mod_iq: Immediately return an error for IQs to non-existing bare JIDs

diff -r 605a73234230 -r 1bf897de6c24 plugins/mod_iq.lua
--- a/plugins/mod_iq.lua	Mon Jun 01 10:27:47 2009 +0500
+++ b/plugins/mod_iq.lua	Mon Jun 01 10:44:05 2009 +0500
@@ -1,5 +1,7 @@
 
 local st = require "util.stanza";
+local jid_split = require "util.jid".split;
+local user_exists = require "core.usermanager".user_exists;
 
 local full_sessions = full_sessions;
 local bare_sessions = bare_sessions;
@@ -24,7 +26,15 @@
 	-- IQ to bare JID recieved
 	local origin, stanza = data.origin, data.stanza;
 
-	-- TODO if not user exists, return an error
+	if not bare_sessions[stanza.attr.to] then -- quick check for account existance
+		local node, host = jid_split(stanza.attr.to);
+		if not user_exists(node, host) then -- full check for account existance
+			if stanza.attr.type == "get" or stanza.attr.type == "set" then
+				origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+			end
+			return true;
+		end
+	end
 	-- TODO fire post processing events
 	if #stanza.tags == 1 then
 		return module:fire_event("iq/bare/"..stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name, data);