featured antispawn by appgurueu

antispawn.lua

@@ -0,0 +1,65 @@
+local PLAYERS_MSG = {}
+local PLAYERS_FREQ = {}
+local SPAM_SPEED = 5
+local SPAM_SPEED_MSECS = SPAM_SPEED * 1e6
+local SPAM_WARN = 5
+-- In seconds
+local SPAM_KICK = SPAM_WARN + 5
+local RESET_TIME = 30
+-- Convert to microsecs
+local RESET_TIME_MSECS = RESET_TIME * 1e6
+local WARNING_COLOR = minetest.get_color_escape_sequence"#FFBB33"
+minetest.register_on_leaveplayer(function(player)
+	PLAYERS_MSG[player:get_player_name()] = nil
+	PLAYERS_FREQ[player:get_player_name()] = nil
+end)
+minetest.register_on_joinplayer(function(player)
+	PLAYERS_MSG[player:get_player_name()] = {}
+end)
+minetest.register_on_chat_message(function(name, message)
+	for msg, info in pairs(PLAYERS_MSG[name]) do
+		if minetest.get_us_time() - info[2] >= RESET_TIME_MSECS then PLAYERS_MSG[name][msg] = nil end
+	end
+	if PLAYERS_MSG[name][message] then
+		local amount = PLAYERS_MSG[name][message][1] + 1
+		PLAYERS_MSG[name][message][1] = amount
+		PLAYERS_MSG[name][message][2] = minetest.get_us_time()
+		if amount >= SPAM_KICK then minetest.kick_player(name, "Kicked for spamming.")
+		elseif amount >= SPAM_WARN then
+			minetest.chat_send_player(name, WARNING_COLOR .. "Warning! You've sent the message '" .. message .. "' too often. Wait at least " .. RESET_TIME .. " seconds before sending it again.")
+		end
+	else PLAYERS_MSG[name][message] = { 1, minetest.get_us_time() } end
+	if not PLAYERS_FREQ[name] then
+        PLAYERS_FREQ[name] = {
+			0,
+			0,
+			minetest.get_us_time(),
+			0
+		}
+        return
+    end
+    local warns = PLAYERS_FREQ[name][4]
+    local amount = PLAYERS_FREQ[name][2]
+    local speed = PLAYERS_FREQ[name][1]
+    local delay = minetest.get_us_time() - PLAYERS_FREQ[name][3]
+    speed = (speed * amount + delay) / (amount + 1)
+    if amount >= SPAM_WARN then
+        if warns + 1 == SPAM_KICK - SPAM_WARN then minetest.kick_player(name, "Kicked for spamming.")
+        elseif speed <= SPAM_SPEED_MSECS then
+            minetest.chat_send_player(name, WARNING_COLOR .. "Warning! You are sending messages too fast. Wait at least " .. SPAM_SPEED .. " seconds before sending another message.")
+            warns = warns + 1
+            speed = SPAM_SPEED_MSECS
+            amount = SPAM_WARN
+        else
+            speed = 0
+            amount = 0
+            warns = 0
+        end
+    end
+    PLAYERS_FREQ[name] = {
+        speed,
+        amount + 1,
+        minetest.get_us_time(),
+        warns
+    }
+end)

init.lua

@@ -24,6 +24,7 @@ local moddefault = minetest.get_modpath("default") -- path of default mod if ava
 local modkillme = minetest.get_modpath("killme") -- if killme is present as mod if available, otherwise we use own
 local modcommand = minetest.get_modpath("game_commands") -- updated killme is present as mod if available, otherwise we use own
 local modcreative = minetest.get_modpath("creative") -- if creative is available, otherwise false/nil
+local modantispawn = minetest.get_modpath("antispam") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
 local modanticheat = minetest.get_modpath("anticheat") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
 local modbeowulf = minetest.get_modpath("beowulf") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
 local checkapikey = minetest.settings:get("governing.checkapikey") or "" -- need for geoip improved ip information, then geoip normal will be used
@@ -92,6 +93,7 @@ governing.modmail = modmail -- path of the mail mod if available for sending mes
 governing.moddefault = moddefault -- path of default mod if available, otherwise false/nil
 governing.modkillme = modkillme -- if killme is present as mod if available, otherwise we use own
 governing.modcommand = modcommand -- if same killme and commands is present as mod if available, otherwise we use own
+governing.modantispawn = modantispawn -- autodetect if older mod antispan by appguru are present
 governing.modanticheat = modanticheat -- if rnd1 anticheat mod is present cos only works with mt4
 governing.modbeowulf = modbeowulf -- if beowulf anticheat mod is present cos only works with mt5
 governing.checkapikey = checkapikey -- need for geoip improved ip information, then geoip normal will be used
@@ -179,6 +181,8 @@ dofile(governing.modpath.."/geoip.lua")  -- format the geoip responses managed b
 
 dofile(governing.modpath.."/anticheats.lua") -- load anticheat mod that combined rnd + beowulf + fairplay
 
+dofile(governing.modpath.."/antispawn.lua") -- load antispawn chat features only if mod antispan is not loaded
+
 dofile(governing.modpath.."/commands.lua") -- must be at end. so relies on others functionalities
 
 --[[ end of include code files mod features ]]