This repository has been archived on 2021-04-24. You can view files and clone it, but cannot push or open issues or pull requests.
Mikubot-2/miku/utilities.lua
Andreas Bielawski 4dafc76499 Upstream
2016-08-27 14:49:02 +02:00

1103 lines
28 KiB
Lua
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

--[[
utilities.lua
Functions shared among otouto plugins.
Copyright 2016 topkecleon <drew@otou.to>
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.
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 utilities = {}
ltn12 = require('ltn12')
http = require('socket.http')
https = require('ssl.https')
socket = require('socket')
URL = require('socket.url')
json = require('dkjson')
pcall(json.use_lpeg)
serpent = require('serpent')
redis = (loadfile './miku/redis.lua')()
mime = (loadfile './miku/mimetype.lua')()
OAuth = require 'OAuth'
helpers = require 'OAuth.helpers'
require('/miku/encoding')
http.timeout = 5
https.timeout = 5
-- For the sake of ease to new contributors and familiarity to old contributors,
-- we'll provide a couple of aliases to real bindings here.
function utilities.send_message(chat_id, text, disable_web_page_preview, reply_to_message_id, use_markdown, reply_markup)
local parse_mode
if type(use_markdown) == 'string' then
parse_mode = use_markdown
elseif use_markdown == true then
parse_mode = 'markdown'
end
return bindings.request(
'sendMessage',
{
chat_id = chat_id,
text = text,
disable_web_page_preview = disable_web_page_preview,
reply_to_message_id = reply_to_message_id,
parse_mode = parse_mode,
reply_markup = reply_markup
}
)
end
-- https://core.telegram.org/bots/api#editmessagetext
function utilities.edit_message(chat_id, message_id, text, disable_web_page_preview, use_markdown, reply_markup)
local parse_mode
if type(use_markdown) == 'string' then
parse_mode = use_markdown
elseif use_markdown == true then
parse_mode = 'Markdown'
end
return bindings.request(
'editMessageText',
{
chat_id = chat_id,
message_id = message_id,
text = text,
disable_web_page_preview = disable_web_page_preview,
parse_mode = parse_mode,
reply_markup = reply_markup
}
)
end
function utilities.delete_message(chat_id, message_id)
return utilities.edit_message(chat_id, message_id, '<i>Gelöschte Nachricht</i>', true, 'HTML')
end
function utilities.send_reply(msg, text, use_markdown, reply_markup)
local parse_mode
if type(use_markdown) == 'string' then
parse_mode = use_markdown
elseif use_markdown == true then
parse_mode = 'markdown'
end
return bindings.request(
'sendMessage',
{
chat_id = msg.chat.id,
text = text,
disable_web_page_preview = true,
reply_to_message_id = msg.message_id,
parse_mode = parse_mode,
reply_markup = reply_markup
}
)
end
-- NOTE: Telegram currently only allows file uploads up to 50 MB
-- https://core.telegram.org/bots/api#sendphoto
function utilities.send_photo(chat_id, file, text, reply_to_message_id, reply_markup)
if not file then return false end
local output = bindings.request(
'sendPhoto',
{
chat_id = chat_id,
caption = text or nil,
reply_to_message_id = reply_to_message_id,
reply_markup = reply_markup
},
{
photo = file
}
)
if string.match(file, '/tmp/') then
os.remove(file)
print("Deleted: "..file)
end
return output
end
-- https://core.telegram.org/bots/api#sendaudio
function utilities.send_audio(chat_id, file, reply_to_message_id, duration, performer, title)
if not file then return false end
local output = bindings.request(
'sendAudio',
{
chat_id = chat_id,
duration = duration or nil,
performer = performer or nil,
title = title or nil,
reply_to_message_id = reply_to_message_id
},
{
audio = file
}
)
if string.match(file, '/tmp/') then
os.remove(file)
print("Deleted: "..file)
end
return output
end
-- https://core.telegram.org/bots/api#senddocument
function utilities.send_document(chat_id, file, text, reply_to_message_id, reply_markup)
if not file then return false end
local output = bindings.request(
'sendDocument',
{
chat_id = chat_id,
caption = text or nil,
reply_to_message_id = reply_to_message_id,
reply_markup = reply_markup
},
{
document = file
}
)
if string.match(file, '/tmp/') then
os.remove(file)
print("Deleted: "..file)
end
return output
end
-- https://core.telegram.org/bots/api#sendvideo
function utilities.send_video(chat_id, file, text, reply_to_message_id, duration, width, height)
if not file then return false end
local output = bindings.request(
'sendVideo',
{
chat_id = chat_id,
caption = text or nil,
duration = duration or nil,
width = width or nil,
height = height or nil,
reply_to_message_id = reply_to_message_id
},
{
video = file
}
)
if string.match(file, '/tmp/') then
os.remove(file)
print("Deleted: "..file)
end
return output
end
-- NOTE: Voice messages are .ogg files encoded with OPUS
-- https://core.telegram.org/bots/api#sendvoice
function utilities.send_voice(chat_id, file, reply_to_message_id, duration)
if not file then return false end
local output = bindings.request(
'sendVoice',
{
chat_id = chat_id,
duration = duration or nil,
reply_to_message_id = reply_to_message_id
},
{
voice = file
}
)
if string.match(file, '/tmp/') then
os.remove(file)
print("Deleted: "..file)
end
return output
end
-- https://core.telegram.org/bots/api#sendlocation
function utilities.send_location(chat_id, latitude, longitude, reply_to_message_id)
return bindings.request(
'sendLocation',
{
chat_id = chat_id,
latitude = latitude,
longitude = longitude,
reply_to_message_id = reply_to_message_id
}
)
end
-- NOTE: Venue is different from location: it shows information, such as the street adress or
-- title of the location with it.
-- https://core.telegram.org/bots/api#sendvenue
function utilities.send_venue(chat_id, latitude, longitude, reply_to_message_id, title, address)
return bindings.request(
'sendVenue',
{
chat_id = chat_id,
latitude = latitude,
longitude = longitude,
title = title,
address = address,
reply_to_message_id = reply_to_message_id
}
)
end
-- https://core.telegram.org/bots/api#sendchataction
function utilities.send_typing(chat_id, action)
return bindings.request(
'sendChatAction',
{
chat_id = chat_id,
action = action
}
)
end
-- https://core.telegram.org/bots/api#answercallbackquery
function utilities.answer_callback_query(callback, text, show_alert)
return bindings.request(
'answerCallbackQuery',
{
callback_query_id = callback.id,
text = text,
show_alert = show_alert
}
)
end
-- https://core.telegram.org/bots/api#getchat
function utilities.get_chat_info(chat_id)
return bindings.request(
'getChat',
{
chat_id = chat_id
}
)
end
-- https://core.telegram.org/bots/api#getchatadministrators
function utilities.get_chat_administrators(chat_id)
return bindings.request(
'getChatAdministrators',
{
chat_id = chat_id
}
)
end
-- https://core.telegram.org/bots/api#answerinlinequery
function utilities.answer_inline_query(inline_query, results, cache_time, is_personal, next_offset, switch_pm_text, switch_pm_parameter)
return bindings.request(
'answerInlineQuery',
{
inline_query_id = inline_query.id,
results = results,
cache_time = cache_time,
is_personal = is_personal,
next_offset = next_offset,
switch_pm_text = switch_pm_text,
switch_pm_parameter = switch_pm_parameter
}
)
end
function abort_inline_query(inline_query)
return bindings.request(
'answerInlineQuery',
{
inline_query_id = inline_query.id,
cache_time = 5,
is_personal = true
}
)
end
-- get the indexed word in a string
function utilities.get_word(s, i)
s = s or ''
i = i or 1
local n = 0
for w in s:gmatch('%g+') do
n = n + 1
if n == i then return w end
end
return false
end
-- Returns the string after the first space.
function utilities.input(s)
if not s:find(' ') then
return false
end
return s:sub(s:find(' ')+1)
end
function utilities.input_from_msg(msg)
return utilities.input(msg.text) or (msg.reply_to_message and #msg.reply_to_message.text > 0 and msg.reply_to_message.text) or false
end
-- Calculates the length of the given string as UTF-8 characters
function utilities.utf8_len(s)
local chars = 0
for i = 1, string.len(s) do
local b = string.byte(s, i)
if b < 128 or b >= 192 then
chars = chars + 1
end
end
return chars
end
-- Trims whitespace from a string.
function utilities.trim(str)
local s = str:gsub('^%s*(.-)%s*$', '%1')
return s
end
-- Returns true if the string is empty
function string:isempty()
return self == nil or self == ''
end
-- Returns true if the string is blank
function string:isblank()
self = self:trim()
return self:isempty()
end
function get_name(msg)
local name = msg.from.first_name
if name == nil then
name = msg.from.id
end
return name
end
-- http://www.lua.org/manual/5.2/manual.html#pdf-io.popen
function run_command(str)
local cmd = io.popen(str)
local result = cmd:read('*all')
cmd:close()
return result
end
function convert_timestamp(timestamp, format)
local converted_date = run_command('date -d @'..timestamp..' +"'..format..'"')
local converted_date = string.gsub(converted_date, '%\n', '')
return converted_date
end
function string.starts(String, Start)
return Start == string.sub(String,1,string.len(Start))
end
-- Saves file to $HOME/tmp/. If file_name isn't provided,
-- will get the text after the last "/" for filename
-- and content-type for extension
function download_to_file(url, file_name)
print('url to download: '..url)
if not file_name then
file_name = '/tmp/' .. url:match('.+/(.-)$') or '/tmp/' .. os.time()
else
file_name = '/tmp/' .. file_name
end
local body = {}
local doer = http
local do_redir = true
if url:match('^https') then
doer = https
do_redir = false
end
local _, res = doer.request{
url = url,
sink = ltn12.sink.table(body),
redirect = do_redir
}
if res ~= 200 then return false end
local file = io.open(file_name, 'w+')
file:write(table.concat(body))
file:close()
print('Saved to: '..file_name)
return file_name
end
function vardump(value)
print(serpent.block(value, {comment=false}))
end
-- Loads a JSON file as a table.
function utilities.load_data(filename)
local f = io.open(filename)
if f then
local s = f:read('*all')
f:close()
return json.decode(s)
else
return {}
end
end
-- Saves a table to a JSON file.
function utilities.save_data(filename, data)
local s = json.encode(data)
local f = io.open(filename, 'w')
f:write(s)
f:close()
end
-- Gets coordinates for a location. Used by gMaps.lua, time.lua, weather.lua.
function utilities.get_coords(input, config)
local url = 'https://maps.googleapis.com/maps/api/geocode/json?address='..URL.escape(input)..'&language=de'
local jstr, res = https.request(url)
if res ~= 200 then
return config.errors.connection
end
local jdat = json.decode(jstr)
if jdat.status == 'ZERO_RESULTS' then
return config.errors.results
end
return {
lat = jdat.results[1].geometry.location.lat,
lon = jdat.results[1].geometry.location.lng,
addr = jdat.results[1].formatted_address
}
end
-- Get the number of values in a key/value table.
function utilities.table_size(tab)
local i = 0
for _,_ in pairs(tab) do
i = i + 1
end
return i
end
-- Just an easy way to get a user's full name.
-- Alternatively, abuse it to concat two strings like I do.
function utilities.build_name(first, last)
if last then
return first .. ' ' .. last
else
return first
end
end
function utilities:resolve_username(input)
input = input:gsub('^@', '')
for _, user in pairs(self.database.users) do
if user.username and user.username:lower() == input:lower() then
local t = {}
for key, val in pairs(user) do
t[key] = val
end
return t
end
end
end
function utilities:handle_exception(err, message, log_chat)
local output = string.format(
'[%s]\n%s: %s\n%s\n',
os.date('%F %T'),
self.info.username,
err or '',
message
)
if log_chat then
output = '<code>' .. utilities.html_escape(output) .. '</code>'
return utilities.send_message(log_chat, output, true, nil, 'html')
else
print(output)
end
end
-- MOVED TO DOWNLOAD_TO_FILE
function utilities.download_file(url, filename)
return download_to_file(url, filename)
end
function utilities.md_escape(text)
return text:gsub('_', '\\_')
:gsub('%[', '\\['):gsub('%]', '\\]')
:gsub('%*', '\\*'):gsub('`', '\\`')
end
utilities.markdown_escape = utilities.md_escape
function utilities.html_escape(text)
return text:gsub('&', '&amp;'):gsub('<', '&lt;'):gsub('>', '&gt;')
end
utilities.triggers_meta = {}
utilities.triggers_meta.__index = utilities.triggers_meta
function utilities.triggers_meta:t(pattern, has_args)
local username = self.username:lower()
table.insert(self.table, '^'..self.cmd_pat..pattern..'$')
table.insert(self.table, '^'..self.cmd_pat..pattern..'@'..username..'$')
if has_args then
table.insert(self.table, '^'..self.cmd_pat..pattern..'%s+[^%s]*')
table.insert(self.table, '^'..self.cmd_pat..pattern..'@'..username..'%s+[^%s]*')
end
return self
end
function utilities.triggers(username, cmd_pat, trigger_table)
local self = setmetatable({}, utilities.triggers_meta)
self.username = username
self.cmd_pat = cmd_pat
self.table = trigger_table or {}
return self
end
function utilities.with_http_timeout(timeout, fun)
local original = http.TIMEOUT
http.TIMEOUT = timeout
fun()
http.TIMEOUT = original
end
function utilities.enrich_user(user)
user.id_str = tostring(user.id)
user.name = utilities.build_name(user.first_name, user.last_name)
return user
end
function utilities.enrich_message(msg)
if not msg.text then msg.text = msg.caption or '' end
msg.text_lower = msg.text:lower()
msg.from = utilities.enrich_user(msg.from)
msg.chat.id_str = tostring(msg.chat.id)
if msg.reply_to_message then
if not msg.reply_to_message.text then
msg.reply_to_message.text = msg.reply_to_message.caption or ''
end
msg.reply_to_message.text_lower = msg.reply_to_message.text:lower()
msg.reply_to_message.from = utilities.enrich_user(msg.reply_to_message.from)
msg.reply_to_message.chat.id_str = tostring(msg.reply_to_message.chat.id)
end
if msg.forward_from then
msg.forward_from = utilities.enrich_user(msg.forward_from)
end
if msg.new_chat_participant then
msg.new_chat_participant = utilities.enrich_user(msg.new_chat_participant)
end
if msg.left_chat_participant then
msg.left_chat_participant = utilities.enrich_user(msg.left_chat_participant)
end
return msg
end
function utilities.pretty_float(x)
if x % 1 == 0 then
return tostring(math.floor(x))
else
return tostring(x)
end
end
-- This table will store unsavory characters that are not properly displayed,
-- or are just not fun to type.
utilities.char = {
zwnj = '',
arabic = '[\216-\219][\128-\191]',
rtl_override = '',
rtl_mark = '',
em_dash = '',
utf_8 = '[%z\1-\127\194-\244][\128-\191]',
}
-- taken from http://stackoverflow.com/a/11130774/3163199
function scandir(directory)
local i, t, popen = 0, {}, io.popen
for filename in popen('ls -a "'..directory..'"'):lines() do
i = i + 1
t[i] = filename
end
return t
end
-- Returns at table of lua files inside plugins
function plugins_names()
local files = {}
for k, v in pairs(scandir("miku/plugins")) do
-- Ends with .lua
if (v:match(".lua$")) then
files[#files+1] = v
end
end
return files
end
-- Function name explains what it does.
function file_exists(name)
local f = io.open(name,"r")
if f ~= nil then
io.close(f)
return true
else
return false
end
end
-- Returns a table with matches or nil
function match_pattern(pattern, text)
if text then
local matches = { string.match(text, pattern) }
if next(matches) then
return matches
end
end
-- nil
end
function is_sudo(msg, config)
local var = false
-- Check if user id is sudoer
if config.admin == msg.from.id then
var = true
end
return var
end
function service_modify_msg(msg)
if msg.new_chat_member then
msg.text = '//tgservice new_chat_member'
msg.text_lower = msg.text
elseif msg.left_chat_member then
msg.text = '//tgservice left_chat_member'
msg.text_lower = msg.text
elseif msg.new_chat_title then
msg.text = '//tgservice new_chat_title'
msg.text_lower = msg.text
elseif msg.new_chat_photo then
msg.text = '//tgservice new_chat_photo'
msg.text_lower = msg.text
elseif msg.group_chat_created then
msg.text = '//tgservice group_chat_created'
msg.text_lower = msg.text
elseif msg.supergroup_chat_created then
msg.text = '//tgservice supergroup_chat_created'
msg.text_lower = msg.text
elseif msg.channel_chat_created then
msg.text = '//tgservice channel_chat_created'
msg.text_lower = msg.text
elseif msg.migrate_to_chat_id then
msg.text = '//tgservice migrate_to_chat_id'
msg.text_lower = msg.text
elseif msg.migrate_from_chat_id then
msg.text = '//tgservice migrate_from_chat_id'
msg.text_lower = msg.text
end
return msg
end
function is_service_msg(msg)
local var = false
if msg.new_chat_member then
var = true
elseif msg.left_chat_member then
var = true
elseif msg.new_chat_title then
var = true
elseif msg.new_chat_photo then
var = true
elseif msg.group_chat_created then
var = true
elseif msg.supergroup_chat_created then
var = true
elseif msg.channel_chat_created then
var = true
elseif msg.migrate_to_chat_id then
var = true
elseif msg.migrate_from_chat_id then
var = true
end
return var
end
function post_petition(url, arguments, headers)
local url, h = string.gsub(url, "http://", "")
local url, hs = string.gsub(url, "https://", "")
local post_prot = "http"
if hs == 1 then
post_prot = "https"
end
local response_body = {}
local request_constructor = {
url = post_prot..'://'..url,
method = "POST",
sink = ltn12.sink.table(response_body),
headers = headers or {},
redirect = false
}
local source = arguments
if type(arguments) == "table" then
source = helpers.url_encode_arguments(arguments)
end
if not headers then
request_constructor.headers["Content-Type"] = "application/x-www-form-urlencoded; charset=UTF8"
request_constructor.headers["X-Accept"] = "application/json"
request_constructor.headers["Accept"] = "application/json"
end
request_constructor.headers["Content-Length"] = tostring(#source)
request_constructor.source = ltn12.source.string(source)
if post_prot == "http" then
ok, response_code, response_headers, response_status_line = http.request(request_constructor)
else
ok, response_code, response_headers, response_status_line = https.request(request_constructor)
end
if not ok then
return nil
end
response_body = json.decode(table.concat(response_body))
return response_body, response_headers
end
function get_redis_hash(msg, var)
if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
return 'chat:'..msg.chat.id..':'..var
end
if msg.chat.type == 'private' then
return 'user:'..msg.from.id..':'..var
end
end
-- remove whitespace
function all_trim(s)
return s:match( "^%s*(.-)%s*$" )
end
function tablelength(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end
function round(num, idp)
if idp and idp>0 then
local mult = 10^idp
return math.floor(num * mult + 0.5) / mult
end
return math.floor(num + 0.5)
end
function comma_value(amount)
local formatted = amount
while true do
formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1.%2')
if (k==0) then
break
end
end
return formatted
end
function string.ends(str, fin)
return fin=='' or string.sub(str,-string.len(fin)) == fin
end
function get_location(user_id)
local hash = 'user:'..user_id
local set_location = redis:hget(hash, 'location')
if set_location == 'false' or set_location == nil then
return false
else
return set_location
end
end
function cache_data(plugin, query, data, timeout, typ, hash_field)
-- How to: cache_data(pluginname, query_name, data_to_cache, expire_in_seconds, type, hash_field (if hash))
local hash = 'telegram:cache:'..plugin..':'..query
if timeout then
print('Caching "'..query..'" from plugin '..plugin..' (expires in '..timeout..' seconds)')
else
print('Caching "'..query..'" from plugin '..plugin..' (expires never)')
end
if typ == 'key' then
redis:set(hash, data)
elseif typ == 'set' then
-- make sure that you convert your data into a table:
-- {"foo", "bar", "baz"} instead of
-- {"bar" = "foo", "foo" = "bar", "bar" = "baz"}
-- because other formats are not supported by redis (or I haven't found a way to store them)
for _,str in pairs(data) do
redis:sadd(hash, str)
end
else
redis:hmset(hash, data)
end
if timeout then
redis:expire(hash, timeout)
end
end
-- Caches file_id and last_modified
-- result = result of send_X() (see media.lua)
function cache_file(result, url, last_modified)
local hash = 'telegram:cache:sent_file'
if result.result.video then
file_id = result.result.video.file_id
elseif result.result.audio then
file_id = result.result.audio.file_id
elseif result.result.voice then
file_id = result.result.voice.file_id
elseif result.result.document then
file_id = result.result.document.file_id
elseif result.result.photo then
local lv = #result.result.photo
file_id = result.result.photo[lv].file_id
elseif result.result.sticker then
file_id = result.result.sticker.file_id
end
print('Caching File...')
redis:hset(hash..':'..url, 'file_id', file_id)
redis:hset(hash..':'..url, 'last_modified', last_modified)
-- Why do we set a TTL? Because Telegram recycles outgoing file_id's
-- See: https://core.telegram.org/bots/faq#can-i-count-on-file-ids-to-be-persistent
redis:expire(hash..':'..url, 5259600) -- 2 months
end
function get_http_header(url)
local doer = http
local do_redir = true
if url:match('^https') then
doer = https
do_redir = false
end
local _, code, header = doer.request {
method = "HEAD",
url = url,
redirect = do_redir
}
if not header then return end
return header, code
end
-- checks with If-Modified-Since header, if url has been changed
-- URL and Last-Modified heder are required
function was_modified_since(url, last_modified)
local doer = http
local do_redir = true
if url:match('^https') then
doer = https
do_redir = false
end
local _, code, header = doer.request {
url = url,
method = "HEAD",
redirect = do_redir,
headers = {
["If-Modified-Since"] = last_modified
}
}
if code == 304 then
return false, nil, code
else
if header["last-modified"] then
new_last_modified = header["last-modified"]
elseif header["Last-Modified"] then
new_last_modified = header["Last-Modified"]
end
return true, new_last_modified, code
end
end
-- only url is needed!
function get_cached_file(url, file_name, receiver, chat_action)
local hash = 'telegram:cache:sent_file'
local cached_file_id = redis:hget(hash..':'..url, 'file_id')
local cached_last_modified = redis:hget(hash..':'..url, 'last_modified')
if cached_last_modified then
was_modified, new_last_modified, code = was_modified_since(url, cached_last_modified)
if not was_modified then
print('File wasn\'t modified, skipping download...')
return cached_file_id, nil, true
else
if code ~= 200 then
redis:del(hash..':'..url)
return
end
print('File was modified, redownloading...')
if receiver and chat_action then
utilities.send_typing(receiver, chat_action)
end
file = download_to_file(url, file_name)
return file, new_last_modified, false
end
end
-- get last-modified and Content-Length header
local header, code = get_http_header(url)
-- file size limit is 50 MB
if header then
if header["Content-Length"] then
if tonumber(header["Content-Length"]) > 52420000 then
print('file is too large, won\'t send!')
return nil
end
elseif header["content-length"] then
if tonumber(header["content-length"]) > 52420000 then
print('file is too large, won\'t send!')
return nil
end
end
if header["last-modified"] then
last_modified = header["last-modified"]
elseif header["Last-Modified"] then
last_modified = header["Last-Modified"]
end
else
last_modified = nil
end
if not last_modified then
nocache = true
else
nocache = false
end
if receiver and chat_action then
utilities.send_typing(receiver, chat_action)
end
if not nocache then
file = download_to_file(url, file_name)
else
print('No Last-Modified header!')
file = download_to_file(url, file_name)
end
return file, last_modified, nocache
end
-- converts total amount of seconds (e.g. 65 seconds) to human redable time (e.g. 1:05 minutes)
function makeHumanTime(totalseconds)
local seconds = totalseconds % 60
local minutes = math.floor(totalseconds / 60)
local minutes = minutes % 60
local hours = math.floor(totalseconds / 3600)
if minutes == 00 and hours == 00 then
if seconds == 1 then
return seconds..' Sekunde'
else
return seconds..' Sekunden'
end
elseif hours == 00 and minutes ~= 00 then
if minutes == 1 then
return string.format("%02d:%02d", minutes, seconds)..' Minute'
else
return string.format("%02d:%02d", minutes, seconds)..' Minuten'
end
elseif hours ~= 00 then
if hours == 1 then
return string.format("%02d:%02d:%02d", hours, minutes, seconds)..' Stunde'
else
return string.format("%02d:%02d:%02d", hours, minutes, seconds)..' Stunden'
end
end
end
function is_blacklisted(msg)
_blacklist = redis:smembers("telegram:img_blacklist")
local var = false
for v,word in pairs(_blacklist) do
if string.find(string.lower(msg), string.lower(word)) then
print("Wort steht auf der Blacklist!")
var = true
break
end
end
return var
end
function run_bash(str)
local cmd = io.popen(str)
local result = cmd:read('*all')
cmd:close()
return result
end
function run_sh(msg)
name = get_name(msg)
text = ''
bash = msg.text:sub(4,-1)
text = run_bash(bash)
return text
end
function gerRating(str)
str = string.gsub(str, "de/0", "FSK0")
str = string.gsub(str, "TV%-G", "FSK0")
str = string.gsub(str, "TV%-Y$", "FSK0")
str = string.gsub(str, "G %- All Ages", "FSK0")
str = string.gsub(str, "de/6", "FSK6")
str = string.gsub(str, "TV%-Y7", "FSK6")
str = string.gsub(str, "TV%-PG", "FSK6")
str = string.gsub(str, "PG %- Children", "FSK6")
str = string.gsub(str, "de/12", "FSK12")
str = string.gsub(str, "de/16", "FSK16")
str = string.gsub(str, "TV%-14", "FSK16")
str = string.gsub(str, "PG%-13 %- Teens 13 or older", "FSK16")
str = string.gsub(str, "de/18", "FSK18")
str = string.gsub(str, "NC%-17", "FSK18")
str = string.gsub(str, "TV%-MA", "FSK18")
str = string.gsub(str, "R %- 17%+ %(violence & profanity%)", "FSK18")
str = string.gsub(str, "R%+ %- Mild Nudity", "FSK18")
str = string.gsub(str, "Rx %- Hentai", "FSK18")
return str
end
function convertNumbers(str)
str = string.gsub(str, "^1$", "01")
str = string.gsub(str, "^2$", "02")
str = string.gsub(str, "^3$", "03")
str = string.gsub(str, "^4$", "04")
str = string.gsub(str, "^5$", "05")
str = string.gsub(str, "^6$", "06")
str = string.gsub(str, "^7$", "07")
str = string.gsub(str, "^8$", "08")
str = string.gsub(str, "^9$", "09")
return str
end
function url_encode(str)
if (str) then
str = string.gsub (str, "\n", "\r\n")
str = string.gsub (str, "([^%w %-%_%.%~])",
function (c) return string.format ("%%%02X", string.byte(c)) end)
str = string.gsub (str, " ", "+")
end
return str
end
function table.contains(table, element)
for _, value in pairs(table) do
if value == element then
return true
end
end
return false
end
return utilities