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Mikubot/bot/bot.lua

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Lua
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http = require("socket.http")
URL = require("socket.url")
json = (loadfile "./bot/JSON.lua")()
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-- lrexlib = require("rex_pcre")
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VERSION = 'v0.6'
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plugins = {}
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-- taken from http://stackoverflow.com/a/11130774/3163199
function scandir(directory)
local i, t, popen = 0, {}, io.popen
for filename in popen('ls -a "'..directory..'"'):lines() do
i = i + 1
t[i] = filename
end
return t
end
-- load all plugins in the plugins/ directory
for k, v in pairs(scandir("plugins")) do
if not (v:sub(0, 1) == ".") then
print("Loading plugin", v)
t = loadfile("plugins/" .. v)()
table.insert(plugins, t)
end
end
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function on_msg_receive (msg)
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if msg_valid(msg) == false then
return
end
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do_action(msg)
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mark_read(get_receiver(msg), ok_cb, false)
-- write_log_file(msg)
end
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function ok_cb(extra, success, result)
end
function msg_valid(msg)
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if msg.text == nil then
return false
end
if msg.from.id == our_id then
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return true
end
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if msg.out then
return false
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end
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if msg.date < now then
return false
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end
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if msg.text == nil then
return false
end
if msg.unread == 0 then
return false
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end
end
-- Where magic happens
function do_action(msg)
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local receiver = get_receiver(msg)
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--local text = msg.text:sub(2) -- removes the '!'
local text = msg.text
print("Received msg", text)
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for name, desc in pairs(plugins) do
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print("Trying module", name)
for k, pattern in pairs(desc.patterns) do
print("Trying", text, "against", pattern)
matches = { string.match(text, pattern) }
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if matches[1] then
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print(" matches!")
result = desc.run(msg, matches)
print(" should return", result)
if (result) then
send_msg(receiver, result, ok_cb, false)
end
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end
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end
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end
end
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-- function do_action(msg)
-- local receiver = get_receiver(msg)
-- if string.starts(msg.text, '!sh') then
-- text = run_sh(msg)
-- send_msg(receiver, text, ok_cb, false)
-- return
-- end
--
-- if string.starts(msg.text, '!fortune') then
-- text = run_bash('fortune')
-- send_msg(receiver, text, ok_cb, false)
-- return
-- end
-- if string.starts(msg.text, '!forni') then
-- text = msg.text:sub(8,-1)
-- send_msg('Fornicio_2.0', text, ok_cb, false)
-- return
-- end
-- if string.starts(msg.text, '!fwd') then
-- fwd_msg (receiver, msg.id, ok_cb, false)
-- return
-- end
-- if string.starts(msg.text, '!cpu') then
-- text = run_bash('uname -snr') .. ' ' .. run_bash('whoami')
-- text = text .. '\n' .. run_bash('top -b |head -2')
-- send_msg(receiver, text, ok_cb, false)
-- return
-- end
-- if string.starts(msg.text, '!set') then
-- local text = save_value(msg.text:sub(5,-1))
-- send_msg(receiver, text, ok_cb, false)
-- return
-- end
-- if string.starts(msg.text, '!get') then
-- local text = get_value(msg.text:sub(6,-1))
-- send_msg(receiver, text, ok_cb, false)
-- return
-- end
-- end
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function string.starts(String,Start)
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return string.sub(String,1,string.len(Start))==Start
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end
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function load_config()
local f = assert(io.open('./bot/config.json', "r"))
local c = f:read "*a"
local config = json:decode(c)
if config.sh_enabled then
print ("!sh command is enabled")
for v,user in pairs(config.sudo_users) do
print("Allowed user: " .. user)
end
end
-- print("Torrent path: " .. config.torrent_path)
f:close()
return config
end
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function save_value( text )
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var_name, var_value = string.match(text, "(%a+) (.+)")
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if (var_name == nil or var_value == nil) then
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return "Usage: !set var_name value"
end
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config.values[var_name] = var_value
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local json_text = json:encode_pretty(config)
file = io.open ("./bot/config.json", "w+")
file:write(json_text)
file:close()
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return "Saved "..var_name.." = "..var_value
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end
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function get_value( value_name )
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-- If there is not value name, return all the values.
if (value_name == "" ) then
local text = ""
for key,value in pairs(config.values) do
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text = text..key.." = "..value.."\n"
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end
return text
end
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local value = config.values[value_name]
if ( value == nil) then
return "Cant find "..value_name
end
return value_name.." = "..value
end
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function is_sudo(msg)
local var = false
-- Check users id in config
for v,user in pairs(config.sudo_users) do
if user == msg.from.id then
var = true
end
end
return var
end
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function write_log_file(msg)
name = get_name(msg)
ret = name .. ' > ' .. msg.text
write_to_file(config.log_file, ret)
end
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-- Saves a string to file
function write_to_file(filename, value)
if (value) then
local file = io.open(filename,"a")
file:write(value, "\n")
file:close()
end
end
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function get_name(msg)
local name = msg.from.first_name
if name == nil then
name = msg.from.id
end
return name
end
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function run_sh(msg)
name = get_name(msg)
text = ''
if config.sh_enabled == false then
text = '!sh command is disabled'
else
if is_sudo(msg) then
bash = msg.text:sub(4,-1)
text = run_bash(bash)
else
text = name .. ' you have no power here!'
end
end
return text
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end
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function run_bash(str)
local cmd = io.popen(str)
local result = cmd:read('*all')
cmd:close()
return result
end
function download_to_file( url )
print("url a descargar: "..url)
req, c, h = http.request(url)
htype = h["content-type"]
vardump(c)
print("content-type: "..htype)
if htype == "image/jpeg" then
file_name = string.random(5)..".jpg"
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file_path = "/tmp/"..file_name
else
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if htype == "image/gif" then
file_name = string.random(5)..".gif"
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file_path = "/tmp/"..file_name
else
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if htype == "image/png" then
file_name = string.random(5)..".png"
file_path = "/tmp/"..file_name
else
file_name = url:match("([^/]+)$")
file_path = "/tmp/"..file_name
end
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end
end
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file = io.open(file_path, "w+")
file:write(req)
file:close()
return file_path
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end
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function string.random(length)
math.randomseed(os.time())
local str = "";
for i = 1, length do
math.random(97, 122)
str = str..string.char(math.random(97, 122));
end
return str;
end
function string.get_extension_from_filename( filename )
return filename:match( "%.([^%.]+)$" )
end
function string.get_last_word( words )
local splitted = split_by_space ( words )
return splitted[#splitted]
end
function split_by_space ( text )
words = {}
for word in string.gmatch(text, "[^%s]+") do
table.insert(words, word)
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end
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return words
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end
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function string:split(sep)
local sep, fields = sep or ":", {}
local pattern = string.format("([^%s]+)", sep)
self:gsub(pattern, function(c) fields[#fields+1] = c end)
return fields
end
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function vardump(value, depth, key)
local linePrefix = ""
local spaces = ""
if key ~= nil then
linePrefix = "["..key.."] = "
end
if depth == nil then
depth = 0
else
depth = depth + 1
for i=1, depth do spaces = spaces .. " " end
end
if type(value) == 'table' then
mTable = getmetatable(value)
if mTable == nil then
print(spaces ..linePrefix.."(table) ")
else
print(spaces .."(metatable) ")
value = mTable
end
for tableKey, tableValue in pairs(value) do
vardump(tableValue, depth, tableKey)
end
elseif type(value) == 'function' or
type(value) == 'thread' or
type(value) == 'userdata' or
value == nil
then
print(spaces..tostring(value))
else
print(spaces..linePrefix.."("..type(value)..") "..tostring(value))
end
end
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-- Start and load values
config = load_config()
our_id = 0
now = os.time()
function get_receiver(msg)
if msg.to.type == 'user' then
return 'user#id'..msg.from.id
end
if msg.to.type == 'chat' then
return 'chat#id'..msg.to.id
end
end
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function on_our_id (id)
our_id = id
end
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function on_user_update (user, what)
--vardump (user)
end
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function on_chat_update (chat, what)
--vardump (chat)
end
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function on_secret_chat_update (schat, what)
--vardump (schat)
end
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function on_get_difference_end ()
end
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function on_binlog_replay_end ()
started = 1
end