mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-12-26 10:40:37 +01:00
277 lines
7.6 KiB
Lua
Executable File
277 lines
7.6 KiB
Lua
Executable File
-- This file is licensed under the terms of the BSD 2-clause license.
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-- See LICENSE.txt for details.
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local ie = ...
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-- MIME is part of LuaSocket
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local b64e = ie.require("mime").b64
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irc.hooks = {}
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irc.registered_hooks = {}
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local accent_chars = { {"À", "A"},{"Á", "A"},{"Â", "A"},{"Ã", "A"},{"Ä", "A"},{"Å", "A"},{"Ç", "C"},{"È", "E"},{"É", "E"},{"Ê", "E"},
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{"Ë", "E"},{"<EFBFBD>", "I"},{"Í", "I"},{"<EFBFBD>", "I"},{"Ï", "I"},{"Ñ", "N"},{"Ò", "O"},{"Ó", "O"},{"Ô", "O"},{"Õ", "O"},
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{"Ö", "O"},{"<EFBFBD>", "O"},{"Ù", "U"},{"Ú", "U"},{"Û", "U"},{"Ü", "U"},{"<EFBFBD>", "Y"},{"à", "a"},{"á", "a"},{"â", "a"},
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{"ã", "a"},{"ä", "a"},{"å", "a"},{"ç", "c"},{"è", "e"},{"é", "e"},{"ê", "e"},{"ë", "e"},{"ì", "i"},{"í", "i"},
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{"î", "i"},{"ï", "i"},{"ñ", "n"},{"ò", "o"},{"ó", "o"},{"ô", "o"},{"õ", "o"},{"ö", "o"},{"<EFBFBD>", "o"},{"ù", "u"},
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{"ú", "u"},{"û", "u"},{"ü", "u"},{"<EFBFBD>", "Y"}
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}
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local function subaccent(text)
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for _, c in pairs(accent_chars) do
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text = text:gsub(c[1], c[2])
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end
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return text
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end
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-- TODO: Add proper conversion from CP1252 to UTF-8.
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local stripped_chars = {"\2", "\31"}
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for c = 127, 255 do
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table.insert(stripped_chars, string.char(c))
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end
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stripped_chars = "["..table.concat(stripped_chars, "").."]"
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local function normalize(text)
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-- Strip colors
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text = text:gsub("\3[0-9][0-9,]*", "")
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text = subaccent(text)
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return text:gsub(stripped_chars, "")
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end
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function irc:doHook(conn)
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for name, hook in pairs(self.registered_hooks) do
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for _, func in pairs(hook) do
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conn:hook(name, func)
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end
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end
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end
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function irc:register_hook(name, func)
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self.registered_hooks[name] = self.registered_hooks[name] or {}
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table.insert(self.registered_hooks[name], func)
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end
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function irc.hooks.raw(line)
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if irc.config.debug then
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print("RECV: "..line)
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end
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end
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function irc.hooks.send(line)
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if irc.config.debug then
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print("SEND: "..line)
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end
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end
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function irc.hooks.chat(msg)
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local channel, text = msg.args[1], msg.args[2]
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if text:sub(1, 1) == string.char(1) then
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irc.conn:invoke("OnCTCP", msg)
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return
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end
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if channel == irc.conn.nick then
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irc.last_from = msg.user.nick
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irc.conn:invoke("PrivateMessage", msg)
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else
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irc.last_from = channel
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irc.conn:invoke("OnChannelChat", msg)
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end
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end
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local function get_core_version()
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local status = minetest.get_server_status()
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local start_pos = select(2, status:find("version=", 1, true))
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local end_pos = status:find(",", start_pos, true)
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return status:sub(start_pos + 1, end_pos - 1)
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end
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function irc.hooks.ctcp(msg)
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local text = msg.args[2]:sub(2, -2) -- Remove ^C
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local args = text:split(' ')
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local command = args[1]:upper()
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local function reply(s)
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irc:queue(irc.msgs.notice(msg.user.nick,
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("\1%s %s\1"):format(command, s)))
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end
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if command == "ACTION" and msg.args[1] == irc.config.channel then
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local action = text:sub(8, -1)
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irc:sendLocal(("* %s@IRC %s"):format(msg.user.nick, action))
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elseif command == "VERSION" then
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reply(("Minetest version %s, IRC mod version %s.")
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:format(get_core_version(), irc.version))
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elseif command == "PING" then
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reply(args[2])
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elseif command == "TIME" then
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reply(os.date())
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end
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end
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function irc.hooks.channelChat(msg)
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local text = normalize(msg.args[2])
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irc:check_botcmd(msg)
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-- Don't let a user impersonate someone else by using the nick "IRC"
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if msg.user.nick == "IRC" then
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irc:sendLocal("<IRC@IRC> "..text)
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return
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end
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-- Support multiple servers in a channel better by converting:
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-- "<server@IRC> <player> message" into "<player@server> message"
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-- "<server@IRC> *** player joined/left the game" into "*** player joined/left server"
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-- and "<server@IRC> * player orders a pizza" into "* player@server orders a pizza"
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local foundchat, _, chatnick, chatmessage =
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text:find("^<([^>]+)> (.*)$")
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local foundjoin, _, joinnick =
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text:find("^%*%*%* ([^%s]+) joined the game$")
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local foundleave, _, leavenick =
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text:find("^%*%*%* ([^%s]+) left the game$")
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local foundaction, _, actionnick, actionmessage =
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text:find("^%* ([^%s]+) (.*)$")
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if text:sub(1, 5) == "[off]" then
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return
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elseif foundchat then
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irc:sendLocal(("<%s@%s> %s")
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:format(chatnick, msg.user.nick, chatmessage))
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elseif foundjoin then
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irc:sendLocal(("*** %s joined %s")
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:format(joinnick, msg.user.nick))
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elseif foundleave then
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irc:sendLocal(("*** %s left %s")
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:format(leavenick, msg.user.nick))
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elseif foundaction then
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irc:sendLocal(("* %s@%s %s")
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:format(actionnick, msg.user.nick, actionmessage))
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else
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irc:sendLocal(("<%s@IRC> %s"):format(msg.user.nick, text))
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end
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end
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function irc.hooks.pm(msg)
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-- Trim prefix if it is found
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local text = msg.args[2]
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local prefix = irc.config.command_prefix
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if prefix and text:sub(1, #prefix) == prefix then
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text = text:sub(#prefix + 1)
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end
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irc:bot_command(msg, text)
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end
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function irc.hooks.kick(channel, target, prefix, reason)
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if target == irc.conn.nick then
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minetest.chat_send_all("IRC: kicked from "..channel.." by "..prefix.nick..".")
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irc:disconnect("Kicked")
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else
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irc:sendLocal(("-!- %s was kicked from %s by %s [%s]")
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:format(target, channel, prefix.nick, reason))
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end
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end
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function irc.hooks.notice(user, target, message)
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if user.nick and target == irc.config.channel then
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irc:sendLocal("-"..user.nick.."@IRC- "..message)
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end
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end
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function irc.hooks.mode(user, target, modes, ...)
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local by = ""
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if user.nick then
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by = " by "..user.nick
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end
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local options = ""
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if select("#", ...) > 0 then
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options = " "
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end
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options = options .. table.concat({...}, " ")
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minetest.chat_send_all(("-!- mode/%s [%s%s]%s")
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:format(target, modes, options, by))
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end
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function irc.hooks.nick(user, newNick)
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irc:sendLocal(("-!- %s is now known as %s")
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:format(user.nick, newNick))
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end
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function irc.hooks.join(user, channel)
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irc:sendLocal(("-!- %s joined %s")
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:format(user.nick, channel))
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end
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function irc.hooks.part(user, channel, reason)
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reason = reason or ""
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irc:sendLocal(("-!- %s has left %s [%s]")
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:format(user.nick, channel, reason))
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end
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function irc.hooks.quit(user, reason)
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irc:sendLocal(("-!- %s has quit [%s]")
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:format(user.nick, reason))
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end
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function irc.hooks.disconnect(message, isError)
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irc.connected = false
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if isError then
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minetest.log("error", "IRC: Error: Disconnected, reconnecting in one minute.")
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minetest.chat_send_all("IRC: Error: Disconnected, reconnecting in one minute.")
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minetest.after(60, irc.connect, irc)
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else
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minetest.log("action", "IRC: Disconnected.")
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minetest.chat_send_all("IRC: Disconnected.")
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end
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end
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function irc.hooks.preregister(conn)
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if not (irc.config["sasl.user"] and irc.config["sasl.pass"]) then return end
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local authString = b64e(
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("%s\x00%s\x00%s"):format(
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irc.config["sasl.user"],
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irc.config["sasl.user"],
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irc.config["sasl.pass"])
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)
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conn:send("CAP REQ sasl")
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conn:send("AUTHENTICATE PLAIN")
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conn:send("AUTHENTICATE "..authString)
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conn:send("CAP END")
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end
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irc:register_hook("PreRegister", irc.hooks.preregister)
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irc:register_hook("OnRaw", irc.hooks.raw)
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irc:register_hook("OnSend", irc.hooks.send)
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irc:register_hook("DoPrivmsg", irc.hooks.chat)
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irc:register_hook("OnPart", irc.hooks.part)
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irc:register_hook("OnKick", irc.hooks.kick)
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irc:register_hook("OnJoin", irc.hooks.join)
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irc:register_hook("OnQuit", irc.hooks.quit)
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irc:register_hook("NickChange", irc.hooks.nick)
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irc:register_hook("OnCTCP", irc.hooks.ctcp)
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irc:register_hook("PrivateMessage", irc.hooks.pm)
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irc:register_hook("OnNotice", irc.hooks.notice)
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irc:register_hook("OnChannelChat", irc.hooks.channelChat)
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irc:register_hook("OnModeChange", irc.hooks.mode)
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irc:register_hook("OnDisconnect", irc.hooks.disconnect)
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