X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Ffilters.lua;h=d143666bf8d8f212225d475cdc8312317e746ad4;hb=492c253d150aeb7edb6687eb9bf085be6c33133a;hp=ee0e6bbaddac2be7c8f7e04889a71fdabc877f72;hpb=7d194ebd7a69e7f19d84aa40493f8d9b1cd2e1ca;p=prosody.git

diff --git a/util/filters.lua b/util/filters.lua
index ee0e6bba..d143666b 100644
--- a/util/filters.lua
+++ b/util/filters.lua
@@ -10,19 +10,30 @@ local t_insert, t_remove = table.insert, table.remove;
 
 module "filters"
 
+local new_filter_hooks = {};
+
 function initialize(session)
-	local filters = {};
-	session.filters = filters;
-	
-	function session.filter(type, data)
-		local filter_list = filters[type];
-		if filter_list then
-			for i = 1, #filter_list do
-				data = filter_list[i](data);
+	if not session.filters then
+		local filters = {};
+		session.filters = filters;
+		
+		function session.filter(type, data)
+			local filter_list = filters[type];
+			if filter_list then
+				for i = 1, #filter_list do
+					data = filter_list[i](data, session);
+					if data == nil then break; end
+				end
 			end
+			return data;
 		end
-		return data;
 	end
+	
+	for i=1,#new_filter_hooks do
+		new_filter_hooks[i](session);
+	end
+	
+	return session.filter;
 end
 
 function add_filter(session, type, callback, priority)
@@ -61,4 +72,16 @@ function remove_filter(session, type, callback)
 	end
 end
 
-return _M;
\ No newline at end of file
+function add_filter_hook(callback)
+	t_insert(new_filter_hooks, callback);
+end
+
+function remove_filter_hook(callback)
+	for i=1,#new_filter_hooks do
+		if new_filter_hooks[i] == callback then
+			t_remove(new_filter_hooks, i);
+		end
+	end
+end
+
+return _M;