forked from minetest-mods/irc
110 lines
3.4 KiB
Lua
110 lines
3.4 KiB
Lua
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#!/usr/bin/env lua
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local irc = require 'irc'
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irc.DEBUG = true
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local nick = "doylua"
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local envs = {}
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local function create_env()
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return {
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_VERSION = _VERSION,
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assert = assert,
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collectgarbage = collectgarbage,
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error = error,
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getfenv = getfenv,
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getmetatable = getmetatable,
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ipairs = ipairs,
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loadstring = loadstring,
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next = next,
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pairs = pairs,
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pcall = pcall,
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rawequal = rawequal,
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rawget = rawget,
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rawset = rawset,
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select = select,
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setfenv = setfenv,
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setmetatable = setmetatable,
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tonumber = tonumber,
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tostring = tostring,
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type = type,
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unpack = unpack,
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xpcall = xpcall,
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coroutine = coroutine,
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math = math,
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string = string,
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table = table,
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}
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end
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local commands = {
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eval = function(target, from, code)
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code = code:gsub("^=", "return ")
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local fn, err = loadstring(code)
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if not fn then
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irc.say(target, from .. ": Error loading code: " .. code .. err:match(".*(:.-)$"))
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return
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else
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setfenv(fn, envs[from])
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local result = {pcall(fn)}
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local success = table.remove(result, 1)
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if not success then
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irc.say(target, from .. ": Error running code: " .. code .. result[1]:match(".*(:.-)$"))
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else
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if result[1] == nil then
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irc.say(target, from .. ": nil")
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else
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irc.say(target, from .. ": " .. table.concat(result, ", "))
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end
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end
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end
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end,
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clear = function(target, from)
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irc.say(target, from .. ": Clearing your environment")
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envs[from] = create_env()
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end,
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help = function(target, from, arg)
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if arg == "" or not arg then
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irc.say(target, from .. ": Commands: !clear, !eval, !help")
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elseif arg == "eval" then
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irc.say(target, from .. ": Evaluates a Lua statement in your own persistent environment")
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elseif arg == "clear" then
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irc.say(target, from .. ": Clears your personal environment")
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end
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end
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}
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irc.register_callback("connect", function()
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irc.join("#doytest")
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end)
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irc.register_callback("channel_msg", function(channel, from, message)
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message = message:gsub("^" .. nick .. "[:,>] ", "!eval ")
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local is_cmd, cmd, arg = message:match("^(!)([%w_]+) ?(.-)$")
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if is_cmd and commands[cmd] then
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envs[from] = envs[from] or create_env()
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commands[cmd](channel.name, from, arg)
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end
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end)
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irc.register_callback("private_msg", function(from, message)
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message = message:gsub("^" .. nick .. "[:,>] ", "!eval ")
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local is_cmd, cmd, arg = message:match("^(!)([%w_]+) ?(.-)$")
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envs[from] = envs[from] or create_env()
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if is_cmd and commands[cmd] then
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commands[cmd](from, from, arg)
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else
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commands["eval"](from, from, message)
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end
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end)
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irc.register_callback("nick_change", function(from, old_nick)
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if envs[old_nick] and not envs[from] then
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envs[from] = envs[old_nick]
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envs[old_nick] = nil
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end
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end)
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irc.connect{network = "irc.freenode.net", nick = nick, pass = "doylua"}
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