1
0
mirror of https://github.com/SmallJoker/names_per_ip.git synced 2024-11-15 06:40:37 +01:00
names_per_ip/init.lua
2014-08-16 09:53:41 +02:00

103 lines
2.9 KiB
Lua

-- Created by Krock to stop mass-account-creators
-- License: WTFPL
ipnames = {}
ipnames.data = {}
ipnames.tmp_data = {}
ipnames.whitelist = {}
ipnames.changes = false
ipnames.save_time = 0
ipnames.file = minetest.get_worldpath().."/ipnames.data"
ipnames.whitelist_file = minetest.get_worldpath().."/ipnames_whitelist.data"
-- Limit 2 = maximal 2 accounts, the 3rd under the same IP gets blocked
ipnames.name_per_ip_limit = 2
-- Interval where the IP list gets saved/updated
ipnames.save_interval = 240
dofile(minetest.get_modpath("names_per_ip").."/functions.lua")
minetest.register_chatcommand("ipnames", {
description = "Get the features of names_per_ip",
privs = {ban=true},
func = function(name, param)
if param == "" then
minetest.chat_send_player(name, "Available commands: ")
minetest.chat_send_player(name, "Get all accounts of <name>: /ipnames whois <name>")
minetest.chat_send_player(name, "List all exceptions: /ipnames list")
minetest.chat_send_player(name, "Remove/add an exception: /ipnames (un)ignore <name>")
return
end
if param == "list" then
ipnames.command_list(name)
return
end
local args = param:split(" ")
if #args < 2 then
minetest.chat_send_player(name, "Error: Please check again '/ipnames' for correct usage.")
return
end
if args[1] == "whois" then
ipnames.command_whois(name, args[2])
elseif args[1] == "ignore" then
ipnames.command_ignore(name, args[2])
elseif args[1] == "unignore" then
ipnames.command_unignore(name, args[2])
else
minetest.chat_send_player(name, "Error: No known argument for #1 '"..args[1].."'")
end
end
})
-- Get IP if player tries to join, ban if there are too much names per IP
minetest.register_on_prejoinplayer(function(name, ip)
-- Only stop new accounts
ipnames.tmp_data[name] = ip
if ipnames.data[name] then
return
end
local count = 1
local names = ""
for k, v in pairs(ipnames.data) do
if v[1] == ip then
if ipnames.whitelist[k] then
count = 0
break
end
count = count + 1
names = names..k..", "
end
end
-- Return error message if too many accounts have been created
if count > ipnames.name_per_ip_limit then
ipnames.tmp_data[name] = nil
return ("\nYou exceeded the limit of accounts.\nYou already own the following accounts:\n"..names)
end
end)
-- Save IP if player joined
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
local t = os.time()
ipnames.data[name] = {ipnames.tmp_data[name], t}
ipnames.tmp_data[name] = nil
ipnames.changes = true
end)
minetest.register_globalstep(function(t)
ipnames.save_time = ipnames.save_time + t
if ipnames.save_time < ipnames.save_interval then
return
end
ipnames.save_time = 0
ipnames.save_data()
end)
minetest.register_on_shutdown(function() ipnames.save_data() end)
minetest.after(3, function() ipnames.load_data() end)
minetest.after(3, function() ipnames.load_whitelist() end)