533 lines
13 KiB
Lua
533 lines
13 KiB
Lua
http = require("socket.http")
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URL = require("socket.url")
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json = (loadfile "./bot/JSON.lua")()
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VERSION = 'v0.5'
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function on_msg_receive (msg)
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if msg_valid(msg) == false then
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return
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end
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-- Check if command starts with ! eg !echo
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if msg.text:sub(0,1) == '!' then
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do_action(msg)
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else
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if is_image_url(msg.text) then
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send_image_from_url (msg)
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elseif is_youtube_url(msg.text) then
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send_youtube_thumbnail(msg.text)
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else
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if is_file_url(msg.text) then
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send_file_from_url(msg)
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end
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end
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end
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mark_read(get_receiver(msg), ok_cb, false)
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-- write_log_file(msg)
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end
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function ok_cb(extra, success, result)
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end
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function msg_valid(msg)
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if msg.out then
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return false
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end
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if msg.date < now then
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return false
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end
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if msg.text == nil then
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return false
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end
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if msg.unread == 0 then
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return false
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end
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end
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function send_file_from_url (msg)
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last = string.get_last_word(msg.text)
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file = download_to_file(last)
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send_document(get_receiver(msg), file, ok_cb, false)
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end
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function send_image_from_url (msg)
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last = string.get_last_word(msg.text)
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file = download_to_file(last)
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send_photo(get_receiver(msg), file, ok_cb, false)
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end
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function is_image_url(text)
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last = string.get_last_word(text)
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extension = string.get_extension_from_filename(last) -- TODO: Change it please
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if extension == 'jpg' or extension == 'png' or extension == 'jpeg' then
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return true
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end
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return false
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end
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function is_youtube_url(text)
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-- http://stackoverflow.com/questions/19377262/regex-for-youtube-url
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not_full_yt_url = string.match(text, "youtube.com/watch%?v=([A-Za-z0-9-]*)") == nil
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not_short_yt_url = string.match(text, "youtu.be/([A-Za-z0-9-]*)") == nil
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yt = full_yt_url or short_yt_url
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return yt
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end
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function send_youtube_thumbnail(msg)
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yt_thumbnail = "http://img.youtube.com/vi/".. string.match(msg.text, "([A-Za-z0-9-]*)").."/hqdefault.jpg"
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file = download_to_file(yt_thumbnail)
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send_photo(get_receiver(msg), file, ok_cb, false)
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end
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function is_file_url(text)
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last = string.get_last_word(text)
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extension = string.get_extension_from_filename(last)
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if extension == 'gif' then
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return true
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end
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return false
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end
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-- Where magic happens
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function do_action(msg)
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local receiver = get_receiver(msg)
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if string.starts(msg.text, '!sh') then
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text = run_sh(msg)
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!uc3m') then
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text = get_fortunes_uc3m()
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!img') then
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text = msg.text:sub(6,-1)
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url = getGoogleImage(text)
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file_path = download_to_file(url)
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print(file_path)
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send_photo(receiver, file_path, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!rae') then
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text = msg.text:sub(6,-1)
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meaning = getDulcinea(text)
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send_msg(receiver, meaning, ok_cb, false)
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end
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if string.starts(msg.text, '!9gag') then
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url, title = get_9GAG()
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file_path = download_to_file(url)
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send_photo(receiver, file_path, ok_cb, false)
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send_msg(receiver, title, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!fortune') then
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text = run_bash('fortune')
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!forni') then
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text = msg.text:sub(8,-1)
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send_msg('Fornicio_2.0', text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!fwd') then
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fwd_msg (receiver, msg.id, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!cpu') then
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text = run_bash('uname -snr') .. ' ' .. run_bash('whoami')
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text = text .. '\n' .. run_bash('top -b |head -2')
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!ping') then
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print('receiver: '..receiver)
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send_msg (receiver, 'pong', ok_cb, false)
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return
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end
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if string.starts(msg.text, '!weather') then
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if string.len(msg.text) <= 9 then
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city = 'Madrid,ES'
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else
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city = msg.text:sub(10,-1)
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end
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text = get_weather(city)
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!echo') then
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echo = msg.text:sub(7,-1)
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send_msg(receiver, echo, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!eur') then
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local eur = getEURUSD( )
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send_msg(receiver, eur, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!version') then
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text = 'James Bot '.. VERSION .. [[
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Licencia GNU v2, código disponible en http://git.io/6jdjGg
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Al Bot le gusta la gente solidaria.
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Puedes hacer una donación a la ONG que decidas y ayudar a otras personas.]]
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send_msg(receiver, text, ok_cb, false)
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return
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end
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if string.starts(msg.text, '!help') then
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text = [[!help : print this help
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!ping : bot sends pong
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!sh (text) : send commands to bash (only privileged users)
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!echo (text) : echo the msg
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!version : version info
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!cpu : status (uname + top)
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!fwd : forward msg
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!forni : send text to group Fornicio
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!fortune : print a random adage
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!weather [city] : weather in that city (Madrid if not city)
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!9gag : send random url image from 9gag
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!rae (word): Spanish dictionary
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!eur : EURUSD market value
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!img (text) : search image with Google API and sends it
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!uc3m : fortunes from Universidad Carlos III]]
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send_msg(receiver, text, ok_cb, false)
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return
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end
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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()
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local f = assert(io.open('./bot/config.json', "r"))
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local c = f:read "*a"
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local config = json:decode(c)
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if config.torrent_path then
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print ("!sh command is enabled")
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for v,user in pairs(config.sudo_users) do
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print("Allowed user: " .. user)
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end
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end
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-- print("Torrent path: " .. config.torrent_path)
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f:close()
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return config
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end
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function is_sudo(msg)
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local var = false
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-- Check users id in config
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for v,user in pairs(config.sudo_users) do
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if user == msg.from.id then
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var = true
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end
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end
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return var
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end
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function write_log_file(msg)
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name = get_name(msg)
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ret = name .. ' > ' .. msg.text
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write_to_file(config.log_file, ret)
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end
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-- Saves a string to file
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function write_to_file(filename, value)
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if (value) then
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local file = io.open(filename,"a")
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file:write(value, "\n")
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file:close()
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end
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end
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function get_name(msg)
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local name = msg.from.first_name
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if name == nil then
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name = msg.from.id
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end
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return name
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end
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function run_sh(msg)
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name = get_name(msg)
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text = ''
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if config.sh_enabled == false then
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text = '!sh command is disabled'
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else
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if is_sudo(msg) then
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bash = msg.text:sub(4,-1)
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text = run_bash(bash)
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else
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text = name .. ' you have no power here!'
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end
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end
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return text
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end
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function run_bash(str)
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local cmd = io.popen(str)
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local result = cmd:read('*all')
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cmd:close()
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return result
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end
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function get_fortunes_uc3m()
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math.randomseed(os.time())
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local i = math.random(0,178) -- max 178
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local web = "http://www.gul.es/fortunes/f"..i
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b, c, h = http.request(web)
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return b
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end
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function getDulcinea( text )
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-- Powered by https://github.com/javierhonduco/dulcinea
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local api = "http://dulcinea.herokuapp.com/api/?query="
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b = http.request(api..text)
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dulcinea = json:decode(b)
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if dulcinea.status == "error" then
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return "Error: " .. dulcinea.message
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end
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while dulcinea.type == "multiple" do
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text = dulcinea.response[1].id
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b = http.request(api..text)
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dulcinea = json:decode(b)
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end
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vardump(dulcinea)
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local text = ""
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local responses = #dulcinea.response
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if (responses > 5) then
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responses = 5
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end
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for i = 1, responses, 1 do
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text = text .. dulcinea.response[i].word .. "\n"
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local meanings = #dulcinea.response[i].meanings
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if (meanings > 5) then
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meanings = 5
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end
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for j = 1, meanings, 1 do
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local meaning = dulcinea.response[i].meanings[j].meaning
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text = text .. meaning .. "\n\n"
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end
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end
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return text
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end
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function getGoogleImage(text)
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text = URL.escape(text)
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for i = 1, 5, 1 do -- Try 5 times
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local api = "https://ajax.googleapis.com/ajax/services/search/images?v=1.0&rsz=8&q="
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b = http.request(api..text)
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local google = json:decode(b)
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if (google.responseStatus == 200) then -- OK
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math.randomseed(os.time())
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i = math.random(#google.responseData.results) -- Random image from results
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return google.responseData.results[i].url
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end
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end
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end
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function get_9GAG()
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b = http.request("http://api-9gag.herokuapp.com/")
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local gag = json:decode(b)
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math.randomseed(os.time())
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i = math.random(#gag) -- random max json table size (# is an operator o.O)
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local link_image = gag[i].src
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local title = gag[i].title
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if link_image:sub(0,2) == '//' then
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link_image = msg.text:sub(3,-1)
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end
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return link_image, title
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end
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function getEURUSD( )
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b = http.request("http://webrates.truefx.com/rates/connect.html?c=EUR/USD&f=csv&s=n")
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local rates = b:split(", ")
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local symbol = rates[1]
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local timestamp = rates[2]
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local sell = rates[3]..rates[4]
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local buy = rates[5]..rates[6]
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return symbol..'\n'..'Buy: '..buy..'\n'..'Sell: '..sell
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end
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function download_to_file( url )
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print("url a descargar: "..url)
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req, c, h = http.request(url)
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htype = h["content-type"]
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vardump(c)
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print("content-type: "..htype)
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if htype == "image/jpeg" then
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file_name = string.random(5)..".jpg"
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file_path = "/tmp/"..file_name
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else
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if htype == "image/gif" then
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file_name = string.random(5)..".gif"
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file_path = "/tmp/"..file_name
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else
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if htype == "image/png" then
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file_name = string.random(5)..".png"
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file_path = "/tmp/"..file_name
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else
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file_name = url:match("([^/]+)$")
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file_path = "/tmp/"..file_name
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end
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end
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end
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file = io.open(file_path, "w+")
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file:write(req)
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file:close()
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return file_path
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end
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function get_weather(location)
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b, c, h = http.request("http://api.openweathermap.org/data/2.5/weather?q=" .. location .. "&units=metric")
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weather = json:decode(b)
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local city = weather.name
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local country = weather.sys.country
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temp = 'The temperature in ' .. city .. ' (' .. country .. ')'
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temp = temp .. ' is ' .. weather.main.temp .. '°C'
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conditions = 'Current conditions are: ' .. weather.weather[1].description
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if weather.weather[1].main == 'Clear' then
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conditions = conditions .. ' ☀'
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elseif weather.weather[1].main == 'Clouds' then
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conditions = conditions .. ' ☁☁'
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elseif weather.weather[1].main == 'Rain' then
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conditions = conditions .. ' ☔'
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elseif weather.weather[1].main == 'Thunderstorm' then
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conditions = conditions .. ' ☔☔☔☔'
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end
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return temp .. '\n' .. conditions
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end
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function string.random(length)
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math.randomseed(os.time())
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local str = "";
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for i = 1, length do
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math.random(97, 122)
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str = str..string.char(math.random(97, 122));
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end
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return str;
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end
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function string.get_extension_from_filename( filename )
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return filename:match( "%.([^%.]+)$" )
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end
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function string.get_last_word( words )
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local splitted = split_by_space ( words )
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return splitted[#splitted]
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end
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function split_by_space ( text )
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words = {}
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for word in string.gmatch(text, "[^%s]+") do
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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)
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local sep, fields = sep or ":", {}
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local pattern = string.format("([^%s]+)", sep)
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self:gsub(pattern, function(c) fields[#fields+1] = c end)
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return fields
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end
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function vardump(value, depth, key)
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local linePrefix = ""
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local spaces = ""
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if key ~= nil then
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linePrefix = "["..key.."] = "
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end
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if depth == nil then
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depth = 0
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else
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depth = depth + 1
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for i=1, depth do spaces = spaces .. " " end
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end
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if type(value) == 'table' then
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mTable = getmetatable(value)
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if mTable == nil then
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print(spaces ..linePrefix.."(table) ")
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else
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print(spaces .."(metatable) ")
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value = mTable
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end
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for tableKey, tableValue in pairs(value) do
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vardump(tableValue, depth, tableKey)
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end
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elseif type(value) == 'function' or
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type(value) == 'thread' or
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type(value) == 'userdata' or
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value == nil
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then
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print(spaces..tostring(value))
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else
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print(spaces..linePrefix.."("..type(value)..") "..tostring(value))
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end
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end
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-- Start and load values
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config = load_config()
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our_id = 0
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now = os.time()
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function get_receiver(msg)
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if msg.to.type == 'user' then
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return 'user#id'..msg.from.id
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end
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if msg.to.type == 'chat' then
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return 'chat#id'..msg.to.id
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end
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end
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function on_our_id (id)
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our_id = id
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end
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function on_user_update (user, what)
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--vardump (user)
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end
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function on_chat_update (chat, what)
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--vardump (chat)
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end
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function on_secret_chat_update (schat, what)
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--vardump (schat)
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end
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function on_get_difference_end ()
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end
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function on_binlog_replay_end ()
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started = 1
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end
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