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Mikubot-2/otouto/bot.lua

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--[[
bot.lua
The heart and sole of otouto, ie the init and main loop.
Copyright 2016 topkecleon <drew@otou.to>
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This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License version 3 as
published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
]]--
local bot = {}
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bot.version = '2.3'
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function bot:init(config) -- The function run when the bot is started or reloaded.
assert(config.bot_api_key, 'Dein Bot-Token ist nicht in der Config gesetzt!')
bindings = require('otouto.bindings').init(config.bot_api_key)
utilities = require('otouto.utilities')
cred_data = load_cred()
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-- Fetch bot information. Try until it succeeds.
repeat
print('Fetching bot information...')
self.info = bindings.getMe()
until self.info
self.info = self.info.result
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-- Load the "database"! ;)
if not self.database then
self.database = utilities.load_data(self.info.username..'.db')
end
-- Migration code 2.2.7 -> 2.3
-- "database.reminders" -> "database.remind"
if self.database.version ~= '2.3' then
self.database.remind = self.database.reminders
self.database.reminders = nil
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end
-- End migration code.
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self.database.version = bot.version
self.plugins = {} -- Load plugins.
enabled_plugins = load_plugins()
for k,v in pairs(enabled_plugins) do
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local p = require('otouto.plugins.'..v)
-- print('loading plugin',v)
self.plugins[k] = p
self.plugins[k].name = v
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if p.init then p.init(self, config) end
end
print('Bot started successfully as:\n@' .. self.info.username .. ', AKA ' .. self.info.first_name ..' ('..self.info.id..')')
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-- Set loop variables
self.last_update = self.last_update or 0 -- Update offset.
self.last_cron = self.last_cron or os.date('%M') -- Last cron job.
self.last_database_save = self.last_database_save or os.date('%H') -- Last db save.
self.is_started = true -- and whether or not the bot should be running.
end
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function bot:on_msg_receive(msg, config) -- The fn run whenever a message is received.
-- remove comment to enable debugging
-- vardump(msg)
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if msg.date < os.time() - 5 then return end -- Do not process old messages.
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msg = utilities.enrich_message(msg)
if msg.reply_to_message then
msg.reply_to_message.text = msg.reply_to_message.text or msg.reply_to_message.caption or ''
end
-- Support deep linking.
if msg.text:match('^/start .+') then
msg.text = config.cmd_pat .. utilities.input(msg.text)
msg.text_lower = msg.text:lower()
end
-- gsub out user name if multiple bots are in the same group
if msg.text:match(config.cmd_pat..'([A-Za-z0-9-_-]+)@'..self.info.username) then
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msg.text = string.gsub(msg.text, config.cmd_pat..'([A-Za-z0-9-_-]+)@'..self.info.username, "/%1")
msg.text_lower = msg.text:lower()
end
msg = pre_process_msg(self, msg, config)
if not msg then return end -- deleted by banning
if is_service_msg(msg) then
msg = service_modify_msg(msg)
end
for _, plugin in ipairs(self.plugins) do
match_plugins(self, msg, config, plugin)
end
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end
function bot:on_callback_receive(callback, msg, config) -- whenever a new callback is received
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-- remove comments to enable debugging
-- vardump(msg)
-- vardump(callback)
if msg.date < os.time() - 3600 then -- Do not process old messages.
utilities.answer_callback_query(callback, 'Nachricht älter als eine Stunde, bitte sende den Befehl selbst noch einmal.', true)
return
end
if not callback.data:find(':') then
utilities.answer_callback_query(callback, 'Ungültiger CallbackQuery: Kein Parameter.')
return
end
-- Check if user is blocked
local user_id = callback.from.id
local chat_id = msg.chat.id
if redis:get('blocked:'..user_id) then
utilities.answer_callback_query(callback, 'Du darfst den Bot nicht nutzen!', true)
return
end
-- Check if user is banned
local banned = redis:get('banned:'..chat_id..':'..user_id)
if banned then
utilities.answer_callback_query(callback, 'Du darfst den Bot nicht nutzen!', true)
return
end
-- Check if whitelist is enabled and user/chat is whitelisted
local whitelist = redis:get('whitelist:enabled')
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if whitelist and not is_sudo(callback, config) then
local hash = 'whitelist:user#id'..user_id
local allowed = redis:get(hash) or false
if not allowed then
if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
local allowed = redis:get('whitelist:chat#id'.. chat_id)
if not allowed then
utilities.answer_callback_query(callback, 'Du darfst den Bot nicht nutzen!', true)
return
end
else
utilities.answer_callback_query(callback, 'Du darfst den Bot nicht nutzen!', true)
return
end
end
end
local called_plugin = callback.data:match('(.*):.*')
local param = callback.data:sub(callback.data:find(':')+1)
print('Callback Query "'..param..'" für Plugin "'..called_plugin..'" ausgelöst von '..callback.from.first_name..' ('..callback.from.id..')')
msg = utilities.enrich_message(msg)
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for n=1, #self.plugins do
local plugin = self.plugins[n]
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if plugin.name == called_plugin then
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if is_plugin_disabled_on_chat(plugin.name, msg) then utilities.answer_callback_query(callback, 'Plugin wurde in diesem Chat deaktiviert.') return end
if plugin.callback then
plugin:callback(callback, msg, self, config, param)
return
else
utilities.answer_callback_query(callback, 'Ungültiger CallbackQuery: Plugin unterstützt keine Callbacks.')
return
end
end
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end
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utilities.answer_callback_query(callback, 'Ungültiger CallbackQuery: Kein Plugin gefunden.')
end
-- NOTE: To enable InlineQuerys, send /setinline to @BotFather
function bot:process_inline_query(inline_query, config) -- When an inline query is received
-- remove comment to enable debugging
-- vardump(inline_query)
-- PLEASE READ: Blocking every single InlineQuery IS NOT POSSIBLE!
-- When the request is cached, the user can still send this query
-- but he WON'T be able to make new requests.
local user_id = inline_query.from.id
if redis:get('blocked:'..user_id) then
abort_inline_query(inline_query)
return
end
if not config.enable_inline_for_everyone then
local is_whitelisted = redis:get('whitelist:user#id'..inline_query.from.id)
if not is_whitelisted then abort_inline_query(inline_query) return end
end
inline_query.query = inline_query.query:gsub('"', '\\"')
if string.len(inline_query.query) > 200 then
abort_inline_query(inline_query)
return
end
for n=1, #self.plugins do
local plugin = self.plugins[n]
match_inline_plugins(self, inline_query, config, plugin)
end
-- Stop the spinning circle
abort_inline_query(inline_query)
end
function bot:run(config)
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bot.init(self, config)
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while self.is_started do
-- Update loop
local res = bindings.getUpdates{ timeout = 20, offset = self.last_update+1 }
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if res then
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-- Iterate over every new message.
for n=1, #res.result do
local v = res.result[n]
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self.last_update = v.update_id
if v.inline_query then
bot.process_inline_query(self, v.inline_query, config)
elseif v.callback_query then
bot.on_callback_receive(self, v.callback_query, v.callback_query.message, config)
elseif v.message then
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bot.on_msg_receive(self, v.message, config)
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end
end
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else
print('Connection error while fetching updates.')
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end
-- Run cron jobs every minute.
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if self.last_cron ~= os.date('%M') then
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self.last_cron = os.date('%M')
for n=1, #self.plugins do
local v = self.plugins[n]
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if v.cron then -- Call each plugin's cron function, if it has one.
local result, err = pcall(function() v.cron(self, config) end)
if not result then
utilities.handle_exception(self, err, 'CRON: ' .. n, config.log_chat)
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end
end
end
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end
if self.last_database_save ~= os.date('%H') then
utilities.save_data(self.info.username..'.db', self.database) -- Save the database.
self.last_database_save = os.date('%H')
end
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end
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-- Save the database before exiting.
utilities.save_data(self.info.username..'.db', self.database)
print('Halted.')
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end
-- Apply plugin.pre_process function
function pre_process_msg(self, msg, config)
for n=1, #self.plugins do
local plugin = self.plugins[n]
if plugin.pre_process and msg then
if not is_plugin_disabled_on_chat(plugin.name, msg, true) then
-- print('Preprocess '..plugin.name) -- remove comment to restore old behaviour
new_msg = plugin:pre_process(msg, config)
if not new_msg then return end -- Message was deleted
end
end
end
return new_msg
end
function match_inline_plugins(self, inline_query, config, plugin)
local match_table = plugin.inline_triggers or {}
for n=1, #match_table do
local trigger = plugin.inline_triggers[n]
if string.match(string.lower(inline_query.query), trigger) then
local success, result = pcall(function()
for k, pattern in pairs(plugin.inline_triggers) do
matches = match_pattern(pattern, inline_query.query)
if matches then
break;
end
end
print('Inline: '..plugin.name..' triggered')
return plugin.inline_callback(self, inline_query, config, matches)
end)
end
end
end
function match_plugins(self, msg, config, plugin)
local match_table = plugin.triggers or {}
for n=1, #match_table do
local trigger = plugin.triggers[n]
if string.match(msg.text_lower, trigger) then
-- Check if Plugin is disabled
if is_plugin_disabled_on_chat(plugin.name, msg) then return end
local success, result = pcall(function()
-- trying to port matches to otouto
local pattern = plugin.triggers[n]
local matches = match_pattern(pattern, msg.text)
if matches then
print('msg matches: ', pattern, ' for "'..plugin.name..'"')
return plugin.action(self, msg, config, matches)
end
end)
if not success then
utilities.handle_exception(self, result, msg.from.id .. ': ' .. msg.text, config.log_chat)
msg = nil
return
end
-- if one pattern matches, end
return
end
end
end
function is_plugin_disabled_on_chat(plugin_name, msg, silent)
local hash = get_redis_hash(msg, 'disabled_plugins')
local disabled = redis:hget(hash, plugin_name)
-- Plugin is disabled
if disabled == 'true' then
if not silent then
print('Plugin '..plugin_name..' ist in diesem Chat deaktiviert')
end
return true
else
return false
end
end
function load_plugins()
enabled_plugins = redis:smembers('telegram:enabled_plugins')
if not enabled_plugins[1] then
create_plugin_set()
end
return enabled_plugins
end
-- create plugin set if it doesn't exist
function create_plugin_set()
enabled_plugins = {
'control',
'about',
'id',
'post_photo',
'images',
'media',
'service_migrate_to_supergroup',
'creds',
'echo',
'currency',
'banhammer',
'plugins',
'settings',
'help'
}
print ('enabling a few plugins - saving to redis set telegram:enabled_plugins')
for _,plugin in pairs(enabled_plugins) do
redis:sadd("telegram:enabled_plugins", plugin)
end
end
function load_cred()
if redis:exists("telegram:credentials") == false then
-- If credentials hash doesnt exists
print ("Created new credentials hash: telegram:credentials")
create_cred()
end
return redis:hgetall("telegram:credentials")
end
-- create credentials hash with redis
function create_cred()
cred = {
bitly_access_token = "",
cloudinary_apikey = "",
cloudinary_api_secret = "",
cloudinary_public_id = "",
derpibooru_apikey = "",
fb_access_token = "",
flickr_apikey = "",
ftp_site = "",
ftp_username = "",
ftp_password = "",
gender_apikey = "",
golem_apikey = "",
google_apikey = "",
google_cse_id = "",
gitlab_private_token = "",
gitlab_project_id = "",
instagram_access_token = "",
lyricsnmusic_apikey = "",
mal_username = "",
mal_pw = "",
neutrino_userid = "",
neutrino_apikey = "",
owm_apikey = "",
page2images_restkey = "",
soundcloud_client_id = "",
tw_consumer_key = "",
tw_consumer_secret = "",
tw_access_token = "",
tw_access_token_secret = "",
x_mashape_key = "",
yandex_translate_apikey = "",
yandex_rich_content_apikey = "",
yourls_site_url = "",
yourls_signature_token = ""
}
redis:hmset("telegram:credentials", cred)
print ('saved credentials into reds hash telegram:credentials')
end
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return bot