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Mikubot-2/otouto/bot.lua

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local bot = {}
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-- Requires are moved to init to allow for reloads.
local bindings -- Load Telegram bindings.
local utilities -- Load miscellaneous and cross-plugin functions.
local redis = (loadfile "./otouto/redis.lua")()
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bot.version = '2.0'
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function bot:init(config) -- The function run when the bot is started or reloaded.
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bindings = require('otouto.bindings')
utilities = require('otouto.utilities')
redis = (loadfile "./otouto/redis.lua")()
cred_data = load_cred()
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assert(
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config.bot_api_key and config.bot_api_key ~= '',
'You did not set your bot token in the config!'
)
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self.BASE_URL = 'https://api.telegram.org/bot' .. config.bot_api_key .. '/'
-- Fetch bot information. Try until it succeeds.
repeat
print('Fetching bot information...')
self.info = bindings.getMe(self)
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
self.database.users = self.database.users or {} -- Table to cache userdata.
self.database.users[tostring(self.info.id)] = self.info
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)
table.insert(self.plugins, 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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self.last_update = self.last_update or 0 -- Set loop variables: Update offset,
self.last_cron = self.last_cron or os.date('%M') -- the time of the last cron job,
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)
-- Cache user info for those involved.
utilities.create_user_entry(self, msg.from)
if msg.forward_from and msg.forward_from.id ~= msg.from.id then
utilities.create_user_entry(self, msg.forward_from)
elseif msg.reply_to_message and msg.reply_to_message.from.id ~= msg.from.id then
utilities.create_user_entry(self, msg.reply_to_message.from)
end
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.text:match('^'..config.cmd_pat..'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
msg.text = string.gsub(msg.text, '@'..self.info.username, "")
msg.text_lower = string.gsub(msg.text, '@'..string.lower(self.info.username), "")
msg = pre_process_msg(self, msg, config)
for _, plugin in ipairs(self.plugins) do
match_plugins(self, msg, config, plugin)
end
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end
function bot:run(config)
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bot.init(self, config) -- Actually start the script.
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while self.is_started do -- Start a loop while the bot should be running.
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local res = bindings.getUpdates(self, { timeout=20, offset = self.last_update+1 } )
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if res then
for _,v in ipairs(res.result) do -- Go through every new message.
self.last_update = v.update_id
if 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
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if self.last_cron ~= os.date('%M') then -- Run cron jobs every minute.
self.last_cron = os.date('%M')
utilities.save_data(self.info.username..'.db', self.database) -- Save the database.
for i,v in ipairs(self.plugins) do
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
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utilities.handle_exception(self, err, 'CRON: ' .. i, config)
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end
end
end
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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 number,plugin in ipairs(self.plugins) do
if plugin.pre_process and msg then
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-- print('Preprocess #'..number) -- remove comment to restore old behaviour
new_msg = plugin:pre_process(msg, self, config)
end
end
return new_msg
end
function match_plugins(self, msg, config, plugin)
for _, trigger in pairs(plugin.triggers) do
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
for k, pattern in pairs(plugin.triggers) do
matches = match_pattern(pattern, msg.text)
if matches then
break;
end
end
print(plugin.name..' triggered')
return plugin.action(self, msg, config, matches)
end)
if not success then
-- If the plugin has an error message, send it. If it does
-- not, use the generic one specified in config. If it's set
-- to false, do nothing.
if plugin.error then
utilities.send_reply(self, msg, plugin.error)
elseif plugin.error == nil then
utilities.send_reply(self, msg, config.errors.generic, true)
end
utilities.handle_exception(self, result, msg.from.id .. ': ' .. msg.text, config)
return
end
-- If the action returns a table, make that table the new msg.
if type(result) == 'table' then
msg = result
-- If the action returns true, continue.
elseif result ~= true then
return
end
end
end
end
function is_plugin_disabled_on_chat(plugin_name, msg)
local hash = get_redis_hash(msg, 'disabled_plugins')
local disabled = redis:hget(hash, plugin_name)
-- Plugin is disabled
if disabled == 'true' then
print('Plugin '..plugin_name..' ist in diesem Chat deaktiviert')
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',
'blacklist',
'about',
'ping',
'whoami',
'nick',
'echo',
'imgblacklist',
'gImages',
'gSearch',
'wikipedia',
'hackernews',
'imdb',
'calc',
'urbandictionary',
'time',
'reddit',
'xkcd',
'slap',
'commit',
'pun',
'currency',
'shout',
'set',
'get',
'patterns',
'9gag',
'shell',
'adfly',
'twitter',
'rss',
'remind',
'youtube',
'youtube_search',
'youtube_channel',
'youtube_playlist',
'tagesschau_eil',
'twitter_send',
'respond',
'roll',
'quotes',
'pasteee',
'images',
'media',
'location_manager',
'creds',
'weather',
'forecast',
'expand',
'facebook',
'github',
'bitly',
'app_store',
'bitly_create',
'br',
'heise',
'tagesschau',
'wiimmfi',
'wikia',
'afk',
'stats',
'btc',
'cats',
'cleverbot',
'imgur',
'banhammer',
'channels',
'plugins',
'help',
'greetings'
}
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