mirror of
https://github.com/MinetestForFun/irc_modpack.git
synced 2024-11-16 14:50:20 +01:00
274 lines
8.0 KiB
Lua
Executable File
274 lines
8.0 KiB
Lua
Executable File
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local irc_users = {}
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local irc_tokens = {}
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local tokens_file = minetest.get_worldpath() .. "/irc_tokens"
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local old_chat_send_player = minetest.chat_send_player
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minetest.chat_send_player = function(name, message)
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for nick, loggedInAs in pairs(irc_users) do
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if name == loggedInAs and not minetest.get_player_by_name(name) then
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irc:say(nick, message)
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end
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end
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return old_chat_send_player(name, message)
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end
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-- Load/Save tokens
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local function load_tokens()
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local f = io.open(tokens_file, "r")
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local tokens = {}
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if f then
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tokens = minetest.deserialize(f:read())
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f:close()
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end
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return tokens
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end
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irc_tokens = load_tokens()
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local function save_tokens()
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local f = io.open(tokens_file, "w")
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if f then
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f:write(minetest.serialize(irc_tokens))
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f:close()
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return true
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else
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minetest.log("error", "[IRC_Commands] Tokens storage file couldn't be created!")
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return false
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end
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end
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local function generate_token(name)
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local passtr = ""
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for i = 1, math.random(20,40) do
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passtr = passtr .. tostring(math.random(1,65535))
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end
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return minetest.get_password_hash(name, passtr)
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end
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-- Note: You can and **should** regulary regenerate tokens
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minetest.register_chatcommand("gen_token", {
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description = "Generate irc token to log in",
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privs = {shout = true},
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func = function(name, param)
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if not minetest.get_player_by_name(name) then
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return false, "You need to be logged in to the server to generate tokens"
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end
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local h = ""
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if irc_tokens[name] then
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h = " new"
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end
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irc_tokens[name] = generate_token(name)
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minetest.chat_send_player(name, "Here is you" .. h .. " token : " .. irc_tokens[name])
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save_tokens()
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-- Disconnect any user using this login
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for nick, loggedInAs in pairs(irc_users) do
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if loggedInAs == name then
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minetest.log("action", nick.."@IRC has been logged out from "
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..irc_users[nick] .. " (token regenerated)")
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irc_users[nick] = nil
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irc:say(nick, "Token regenerated. You are now logged off.")
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end
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end
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return true
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end
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})
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minetest.register_chatcommand("del_token", {
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description = "Delete your entry in the token register",
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privs = {shout = true},
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func = function(name)
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if not minetest.get_player_by_name(name) then
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return false, "You need to be logged in to the server to generate tokens"
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end
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if not irc_tokens[name] then
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return true, "You had no entry in the tokens' register"
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else
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irc_tokens[name] = nil
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save_tokens()
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-- Disconnect any user using this login
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for nick, loggedInAs in pairs(irc_users) do
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if loggedInAs == name then
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minetest.log("action", nick.."@IRC has been logged out from "
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..irc_users[nick] .. " (token regenerated)")
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irc_users[nick] = nil
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irc:say(nick, "Token regenerated. You are now logged off.")
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end
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end
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return true, "Access for you using a token has been removed. Use /gen_token to create" ..
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" a new token at any time"
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end
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end
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})
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irc:register_hook("NickChange", function(user, newNick)
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for nick, player in pairs(irc_users) do
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if nick == user.nick then
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irc_users[newNick] = irc_users[user.nick]
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irc_users[user.nick] = nil
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end
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end
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end)
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irc:register_hook("OnPart", function(user, channel, reason)
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irc_users[user.nick] = nil
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end)
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irc:register_hook("OnKick", function(user, channel, target, reason)
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irc_users[target] = nil
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end)
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irc:register_hook("OnQuit", function(user, reason)
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irc_users[user.nick] = nil
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end)
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-- Since `minetest.get_password_hash` is broken by the new SRP auth mechanism
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-- We will still allow to use login, but with tokens, and fall back to old hashs
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-- If 1° we can use them and 2° a token is generated
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function checkToken(playerName, token, usernick)
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if irc_tokens[playerName] and
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irc_tokens[playerName] == token then
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minetest.log("action", "User " .. usernick
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.." from IRC logs in as " .. playerName .. " using their token")
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irc_users[usernick] = playerName
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return true, "You are now logged in as " .. playerName
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else
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minetest.log("action", usernick.."@IRC attempted to log in as "
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..playerName.." unsuccessfully using a token")
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return false, "Incorrect token or player does not exist."
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end
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end
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function checkPassword(playerName, password, usernick)
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if minetest.auth_table[playerName] and
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minetest.auth_table[playerName].password ==
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minetest.get_password_hash(playerName, password) then
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minetest.log("action", "User "..usernick
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.." from IRC logs in as "..playerName)
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irc_users[usernick] = playerName
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return true, "You are now logged in as "..playerName
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else
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minetest.log("action", usernick.."@IRC attempted to log in as "
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..playerName.." unsuccessfully")
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return false, "Incorrect password or player does not exist."
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end
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end
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irc:register_bot_command("login", {
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params = "<username> <password or token>",
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description = "Login as a user to run commands",
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func = function(user, args)
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if args == "" then
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return false, "You need a username and password/token."
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end
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local playerName, password = args:match("^(%S+)%s(%S+)$")
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if not playerName then
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return false, "Player name and password/token required."
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end
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local inChannel = false
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local users = irc.conn.channels[irc.config.channel].users
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for cnick, cuser in pairs(users) do
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if user.nick == cnick then
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inChannel = true
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break
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end
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end
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if not inChannel then
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return false, "You need to be in the server's channel to login."
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end
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local u, m = checkToken(playerName, password, user.nick)
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if not u then
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if minetest.auth_table and minetest.auth_table[playerName] and minetest.auth_table[playerName].password:sub(1,3) == "#1#" then -- First SRP mechanism
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if not irc_tokens[playerName] then
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return false, "No token available for your nickname. " ..
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"Please consider generating one with /gen_token"
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else
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return u, m
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end
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else
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-- The old mechanism
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return checkPassword(playerName, password, user.nick)
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end
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else
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return u, m
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end
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end
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})
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irc:register_bot_command("logout", {
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description = "Logout",
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func = function (user, args)
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if irc_users[user.nick] then
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minetest.log("action", user.nick.."@IRC logs out from "
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..irc_users[user.nick])
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irc_users[user.nick] = nil
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return true, "You are now logged off."
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else
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return false, "You are not logged in."
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end
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end,
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})
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irc:register_bot_command("cmd", {
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params = "<command>",
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description = "Run a command on the server",
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func = function (user, args)
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if args == "" then
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return false, "You need a command."
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end
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if not irc_users[user.nick] then
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return false, "You are not logged in."
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end
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local found, _, commandname, params = args:find("^([^%s]+)%s(.+)$")
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if not found then
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commandname = args
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end
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local command = minetest.chatcommands[commandname]
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if not command then
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return false, "Not a valid command."
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end
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if not minetest.check_player_privs(irc_users[user.nick], command.privs) then
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return false, "Your privileges are insufficient."
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end
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minetest.log("action", user.nick.."@IRC runs "
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..args.." as "..irc_users[user.nick])
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return command.func(irc_users[user.nick], (params or ""))
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end
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})
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irc:register_bot_command("say", {
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params = "message",
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description = "Say something",
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func = function (user, args)
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if args == "" then
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return false, "You need a message."
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end
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if not irc_users[user.nick] then
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return false, "You are not logged in."
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end
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if not minetest.check_player_privs(irc_users[user.nick], {shout=true}) then
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minetest.log("action", ("%s@IRC tried to say %q as %s"
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.." without the shout privilege.")
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:format(user.nick, args, irc_users[user.nick]))
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return false, "You can not shout."
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end
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minetest.log("action", ("%s@IRC says %q as %s.")
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:format(user.nick, args, irc_users[user.nick]))
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minetest.chat_send_all("<"..irc_users[user.nick].."@IRC> "..args)
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return true, "Message sent successfuly."
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end
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})
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irc:register_bot_command("timeofday", {
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description = "Tell the in-game time of day",
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func = function(user, args)
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local timeofday = minetest.get_timeofday()
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local hours, minutes = math.modf(timeofday * 24)
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minutes = math.floor(minutes * 60)
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return true, "It's " .. hours .. " h " .. minutes .. " min."
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end
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})
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