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Mikubot-2/drua-tg.lua

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--[[
drua-tg
A fork of JuanPotato's lua-tg (https://github.com/juanpotato/lua-tg),
modified to work more naturally from an API bot.
Usage:
drua = require('drua-tg')
drua.IP = 'localhost'
drua.PORT = 4567
drua.message(chat_id, text)
]]--
local SOCKET = require('socket')
local comtab = {
add = { 'chat_add_user %s %s', 'channel_invite %s %s' },
kick = { 'chat_del_user %s %s', 'channel_kick %s %s' },
rename = { 'rename_chat %s "%s"', 'rename_channel %s "%s"' },
link = { 'export_chat_link %s', 'export_channel_link %s' },
photo_set = { 'chat_set_photo %s %s', 'channel_set_photo %s %s' },
photo_get = { [0] = 'load_user_photo %s', 'load_chat_photo %s', 'load_channel_photo %s' },
info = { [0] = 'user_info %s', 'chat_info %s', 'channel_info %s' }
}
local format_target = function(target)
target = tonumber(target)
if target < -1000000000000 then
target = 'channel#' .. math.abs(target) - 1000000000000
return target, 2
elseif target < 0 then
target = 'chat#' .. math.abs(target)
return target, 1
else
target = 'user#' .. target
return target, 0
end
end
local escape = function(text)
text = text:gsub('\\', '\\\\')
text = text:gsub('\n', '\\n')
text = text:gsub('\t', '\\t')
text = text:gsub('"', '\\"')
return text
end
local drua = {
IP = 'localhost',
PORT = 4567
}
drua.send = function(command, do_receive)
local s = SOCKET.connect(drua.IP, drua.PORT)
assert(s, '\nUnable to connect to tg session.')
s:send(command..'\n')
local output
if do_receive then
output = string.match(s:receive('*l'), 'ANSWER (%d+)')
2016-05-27 04:35:45 +02:00
output = s:receive(tonumber(output)):gsub('\n$', '')
end
s:close()
return output
end
drua.message = function(target, text)
target = format_target(target)
text = escape(text)
local command = 'msg %s "%s"'
command = command:format(target, text)
return drua.send(command)
end
drua.send_photo = function(target, photo)
target = format_target(target)
local command = 'send_photo %s %s'
command = command:format(target, photo)
return drua.send(command)
end
drua.add_user = function(chat, target)
local a
chat, a = format_target(chat)
target = format_target(target)
local command = comtab.add[a]:format(chat, target)
return drua.send(command)
end
drua.kick_user = function(chat, target)
-- Get the group info so tg will recognize the target.
drua.get_info(chat)
local a
chat, a = format_target(chat)
target = format_target(target)
local command = comtab.kick[a]:format(chat, target)
return drua.send(command)
end
drua.rename_chat = function(chat, name)
local a
chat, a = format_target(chat)
local command = comtab.rename[a]:format(chat, name)
return drua.send(command)
end
drua.export_link = function(chat)
local a
chat, a = format_target(chat)
local command = comtab.link[a]:format(chat)
return drua.send(command, true)
end
drua.get_photo = function(chat)
local a
chat, a = format_target(chat)
local command = comtab.photo_get[a]:format(chat)
local output = drua.send(command, true)
if output:match('FAIL') then
return false
else
return output:match('Saved to (.+)')
end
end
drua.set_photo = function(chat, photo)
local a
chat, a = format_target(chat)
local command = comtab.photo_set[a]:format(chat, photo)
return drua.send(command)
end
drua.get_info = function(target)
local a
target, a = format_target(target)
local command = comtab.info[a]:format(target)
return drua.send(command, true)
end
drua.channel_set_admin = function(chat, user, rank)
chat = format_target(chat)
user = format_target(user)
local command = 'channel_set_admin %s %s %s'
command = command:format(chat, user, rank)
return drua.send(command)
end
drua.channel_set_about = function(chat, text)
chat = format_target(chat)
text = escape(text)
local command = 'channel_set_about %s "%s"'
command = command:format(chat, text)
return drua.send(command)
end
return drua