forked from mff/names_per_ip
Add whitelist, remove old IP entries after 14 days
This commit is contained in:
SmallJoker
parent
6ac6cc1781
commit
c21a7c647a
112
functions.lua
Normal file
112
functions.lua
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@ -0,0 +1,112 @@
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function ipnames.command_list(name)
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local names = ""
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for k, v in pairs(ipnames.whitelist) do
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names = names.." "..k
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end
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minetest.chat_send_player(name, "All exceptions: "..names)
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end
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function ipnames.command_whois(name, param)
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if not ipnames.data[param] then
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minetest.chat_send_player(name, "The player '"..param.."' did not join yet.")
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return
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end
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local ip = ipnames.data[param]
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local names = ""
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for k, v in pairs(ipnames.data) do
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if v == ip then
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names = names.." "..k
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end
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end
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minetest.chat_send_player(name, "Following players share an IP: "..names)
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end
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function ipnames.command_ignore(name, param)
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if not ipnames.data[param] then
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minetest.chat_send_player(name, "The player '"..param.."' did not join yet.")
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return
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end
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ipnames.whitelist[param] = true
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minetest.chat_send_player(name, "Added an exception!")
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ipnames.save_whitelist()
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end
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function ipnames.command_unignore(name, param)
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if not ipnames.whitelist[param] then
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minetest.chat_send_player(name, "The player '"..param.."' is not on the whitelist.")
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return
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end
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ipnames.whitelist[param] = nil
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minetest.chat_send_player(name, "Removed an exception!")
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ipnames.save_whitelist()
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end
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function ipnames.load_data()
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local file = io.open(ipnames.file, "r")
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if not file then
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return
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end
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local t = os.time()
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for line in file:lines() do
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if line ~= "" then
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local data = line:split("|")
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if #data >= 2 then
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-- Special stuff - only save if player has not been deleted yet
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local ignore = false
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if not minetest.auth_table[data[1]] then
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ignore = true
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end
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if #data >= 3 and not ignore then
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-- Remove IP after 2 weeks
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local cd = tonumber(data[3])
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if t - cd > (3600 * 24 * 14) then
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ignore = true
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end
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end
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if not ignore then
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ipnames.data[data[1]] = data[2]
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end
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end
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end
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end
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io.close(file)
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end
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function ipnames.save_data()
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if not ipnames.changes then
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return
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end
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ipnames.changes = false
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local file = io.open(ipnames.file, "w")
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for k, v in pairs(ipnames.data) do
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if v ~= nil then
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file:write(k.."|"..v.."\n")
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end
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end
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io.close(file)
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end
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function ipnames.load_whitelist()
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local file = io.open(ipnames.whitelist_file, "r")
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if not file then
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return
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end
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for line in file:lines() do
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if line ~= "" then
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ipnames.whitelist[line] = true
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end
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end
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end
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function ipnames.save_whitelist()
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local file = io.open(ipnames.whitelist_file, "w")
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for k, v in pairs(ipnames.whitelist) do
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if v ~= nil then
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file:write(k.."\n")
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end
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end
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io.close(file)
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end
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113
init.lua
113
init.lua
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@ -3,51 +3,79 @@
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ipnames = {}
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ipnames.data = {}
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ipnames.tmp_data = {}
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ipnames.whitelist = {}
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ipnames.changes = false
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ipnames.save_interval = 240
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ipnames.save_time = 0
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ipnames.file = minetest.get_worldpath().."/ipnames.data"
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ipnames.whitelist_file = minetest.get_worldpath().."/ipnames_whitelist.data"
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ipnames.name_per_ip_limit = 3
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-- Limit 2 = maximal 2 accounts, the 3rd under the same IP gets blocked
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ipnames.name_per_ip_limit = 2
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-- Get accounts self.
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minetest.register_chatcommand("whois", {
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description = "Gets all player names which have the same IP as <param>.",
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-- Interval where the IP list gets saved/updated
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ipnames.save_interval = 240
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dofile(minetest.get_modpath("names_per_ip").."/functions.lua")
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minetest.register_chatcommand("ipnames", {
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description = "Get the features of names_per_ip",
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privs = {ban=true},
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func = function(name, param)
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if not ipnames.data[param] then
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minetest.chat_send_player(name, "The player '"..param.."' did not join yet.")
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if param == "" then
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minetest.chat_send_player(name, "Available commands: ")
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minetest.chat_send_player(name, "Get all accounts of <name>: /ipnames whois <name>")
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minetest.chat_send_player(name, "List all exceptions: /ipnames list")
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minetest.chat_send_player(name, "Remove/add an exception: /ipnames (un)ignore <name>")
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return
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end
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if param == "list" then
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ipnames.command_list(name)
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return
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end
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local ip = ipnames.data[param]
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local names = "";
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for k, v in pairs(ipnames.data) do
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if v == ip then
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names = names.." "..k
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end
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local args = param:split(" ")
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if #args < 2 then
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minetest.chat_send_player(name, "Error: Please check again '/ipnames' for correct usage.")
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return
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end
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minetest.chat_send_player(name, "Following players share an IP: "..names)
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end,
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if args[1] == "whois" then
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ipnames.command_whois(name, args[2])
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elseif args[1] == "ignore" then
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ipnames.command_ignore(name, args[2])
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elseif args[1] == "unignore" then
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ipnames.command_unignore(name, args[2])
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else
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minetest.chat_send_player(name, "Error: No known argument for #1 '"..args[1].."'")
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end
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end
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})
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-- Get IP if player tries to join, ban if there are too much names per IP
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minetest.register_on_prejoinplayer(function(name, ip)
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-- Only stop new accounts
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ipnames.tmp_data[name] = ip
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if not ipnames.data[name] then
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local count = 1
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local names = ""
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for k, v in pairs(ipnames.data) do
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if v == ip then
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count = count + 1
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names = names..k..", "
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if ipnames.data[name] then
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return
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end
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local count = 1
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local names = ""
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for k, v in pairs(ipnames.data) do
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if v == ip then
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if ipnames.whitelist[k] then
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count = 0
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break
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end
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count = count + 1
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names = names..k..", "
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end
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if count > ipnames.name_per_ip_limit then
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ipnames.tmp_data[name] = nil
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return ("\nYou exceeded the limit of accounts.\nYou already own the following accounts:\n"..names)
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end
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end
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-- Return error message if too many accounts have been created
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if count > ipnames.name_per_ip_limit then
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ipnames.tmp_data[name] = nil
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return ("\nYou exceeded the limit of accounts.\nYou already own the following accounts:\n"..names)
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end
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end)
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@ -59,36 +87,6 @@ minetest.register_on_joinplayer(function(player)
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ipnames.changes = true
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end)
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function ipnames.load_data()
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local file = io.open(ipnames.file, "r")
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if not file then
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return
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end
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for line in file:lines() do
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if line ~= "" then
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local data = line:split("|")
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if #data >= 2 then
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ipnames.data[data[1]] = data[2]
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end
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end
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end
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io.close(file)
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end
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function ipnames.save_data()
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if not ipnames.changes then
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return
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end
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ipnames.changes = false
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local file = io.open(ipnames.file, "w")
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for i, v in pairs(ipnames.data) do
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if v ~= nil then
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file:write(i.."|"..v.."\n")
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end
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end
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io.close(file)
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end
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minetest.register_globalstep(function(t)
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ipnames.save_time = ipnames.save_time + t
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if ipnames.save_time < ipnames.save_interval then
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@ -100,4 +98,5 @@ end)
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minetest.register_on_shutdown(function() ipnames.save_data() end)
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minetest.after(3, function() ipnames.load_data() end)
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minetest.after(3, function() ipnames.load_data() end)
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minetest.after(3, function() ipnames.load_whitelist() end)
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