http = require("socket.http") json = (loadfile "./bot/JSON.lua")() VERSION = 'v0.2.1' function on_msg_receive (msg) if msg_valid(msg) == false then return end -- Check if command starts with ! eg !echo if msg.text:sub(0,1) == '!' then do_action(msg) else if is_image_url(msg.text) then send_image_from_url (msg) else if is_file_url(msg.text) then send_file_from_url (msg) end end end print('mark_read: '..get_receiver(msg)) mark_read(get_receiver(msg), ok_cb, false) -- write_log_file(msg) end function ok_cb(extra, success, result) end function msg_valid(msg) if msg.out then return false end if msg.date < now then return false end if msg.text == nil then return false end if msg.unread == 0 then return false end end function send_file_from_url (msg) last = string.get_last_word(msg.text) last = last:match("[%w_:/.%%&-]+") -- Lets sanitize! extension = string.get_extension_from_filename(last) file_name = string.random(5) file = "/tmp/"..file_name.."."..extension sh = "curl --insecure -o '"..file.."' "..last run_bash(sh) send_document(get_receiver(msg), file, ok_cb, false) end function send_image_from_url (msg) last = string.get_last_word(msg.text) last = last:match("[%w_:/.%%&-]+") -- Lets sanitize! extension = string.get_extension_from_filename(last) file_name = string.random(5) file = "/tmp/"..file_name.."."..extension sh = "curl --insecure -o '"..file.."' "..last run_bash(sh) send_photo(get_receiver(msg), file, ok_cb, false) end function is_image_url(text) print ('IS image ' .. text ..'?') last = string.get_last_word(text) extension = string.get_extension_from_filename(last) if extension == 'jpg' or extension == 'png' then return true end return false end function is_file_url(text) last = string.get_last_word(text) extension = string.get_extension_from_filename(last) if extension == 'gif' then return true end return false end -- Where magic happens 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, '!uc3m') then text = get_fortunes_uc3m() send_msg(receiver, text, ok_cb, false) return end if string.starts(msg.text, '!9gag') then url, title = get_9GAG() file_name = url:match("([^/]+)$") file = "/tmp/"..file_name sh = "curl -o '"..file.."' "..url run_bash(sh) send_photo(receiver, file, ok_cb, false) send_msg(receiver, title, 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, '!ping') then print('receiver: '..receiver) send_msg (receiver, 'pong', ok_cb, false) return end if string.starts(msg.text, '!weather') then if string.len(msg.text) <= 9 then city = 'Madrid,ES' else city = msg.text:sub(10,-1) end text = get_weather(city) send_msg(receiver, text, ok_cb, false) return end if string.starts(msg.text, '!echo') then echo = msg.text:sub(7,-1) send_msg(receiver, echo, ok_cb, false) return end if string.starts(msg.text, '!version') then text = 'James Bot '.. VERSION send_msg(receiver, text, ok_cb, false) return end if string.starts(msg.text, '!help') then text = [[!help : print this help !ping : bot sends pong !sh (text) : send commands to bash (only privileged users) !echo (text) : echo the msg !version : version info !cpu : status (uname + top) !fwd : forward msg !forni : send text to group Fornicio !fortune : print a random adage !weather [city] : weather in that city (Madrid if not city) !9gag : send random url image from 9gag !uc3m : fortunes from Universidad Carlos III]] send_msg(receiver, text, ok_cb, false) return end end function string.starts(String,Start) return string.sub(String,1,string.len(Start))==Start end function load_config() local f = assert(io.open('./bot/config.json', "r")) local c = f:read "*a" local config = json:decode(c) if config.torrent_path 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 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 function write_log_file(msg) name = get_name(msg) ret = name .. ' > ' .. msg.text write_to_file(config.log_file, ret) end -- 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 function get_name(msg) local name = msg.from.first_name if name == nil then name = msg.from.id end return name end 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 end function run_bash(str) local cmd = io.popen(str) local result = cmd:read('*all') cmd:close() return result end function get_fortunes_uc3m() math.randomseed(os.time()) local i = math.random(0,178) -- max 178 local web = "http://www.gul.es/fortunes/f"..i b, c, h = http.request(web) return b end function get_9GAG() b = http.request("http://api-9gag.herokuapp.com/") local gag = json:decode(b) math.randomseed(os.time()) i = math.random(#gag) -- random max json table size (# is an operator o.O) local link_image = gag[i].src local title = gag[i].title if link_image:sub(0,2) == '//' then link_image = msg.text:sub(3,-1) end return link_image, title end function get_weather(location) b, c, h = http.request("http://api.openweathermap.org/data/2.5/weather?q=" .. location .. "&units=metric") weather = json:decode(b) local city = weather.name local country = weather.sys.country temp = 'The temperature in ' .. city .. ' (' .. country .. ')' temp = temp .. ' is ' .. weather.main.temp .. '°C' conditions = 'Current conditions are: ' .. weather.weather[1].description if weather.weather[1].main == 'Clear' then conditions = conditions .. ' ☀' elseif weather.weather[1].main == 'Clouds' then conditions = conditions .. ' ☁☁' elseif weather.weather[1].main == 'Rain' then conditions = conditions .. ' ☔' elseif weather.weather[1].main == 'Thunderstorm' then conditions = conditions .. ' ☔☔☔☔' end return temp .. '\n' .. conditions end 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 ) print ('Last word of: ' .. words) local splitted = split_by_space ( words ) return splitted[#splitted] end function split_by_space ( text ) print ('Split: ' .. text) words = {} for word in string.gmatch(text, "[^%s]+") do table.insert(words, word) end return words end 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 -- 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 function on_our_id (id) our_id = id end function on_user_update (user, what) --vardump (user) end function on_chat_update (chat, what) --vardump (chat) end function on_secret_chat_update (schat, what) --vardump (schat) end function on_get_difference_end () end function on_binlog_replay_end () started = 1 end