ctf_chat: Prevent /msg from bypassing filter (#1045)

Manually run `filter.check_message`, and `filter.on_violation` if the former returns false.

.luacheckrc

@@ -12,7 +12,7 @@ globals = {
  "dropondie", "grenades",
 
  "chatcmdbuilder", "crafting", "hpbar", "playertag", "random_messages",
- "skybox", "throwable_snow", "worldedit",
+ "skybox", "throwable_snow", "worldedit", "filter",
 
  "default", "doors", "player_api", "sfinv", "binoculars",
 

mods/ctf/ctf_chat/init.lua

@@ -10,6 +10,12 @@ minetest.override_chatcommand("msg", {
  return false, "The player " .. sendto .. " is not online."
  end
 
+ -- Run the message through filter if it exists
+ if filter and not filter.check_message(name, message) then
+ filter.on_violation(name, message)
+ return false
+ end
+
  -- Message color
  local color = minetest.settings:get("ctf_chat.message_color") or "#E043FF"
  local pteam = ctf_teams.get(name)

mods/ctf/ctf_chat/mod.conf

@@ -1,2 +1,3 @@
 name = ctf_chat
 depends = ctf_teams
+optional_depends = filter