124 lines
2.8 KiB
Lua
124 lines
2.8 KiB
Lua
function get_receiver(msg)
|
|
if msg.to.type == 'user' then
|
|
return 'user#id'..msg.from.id
|
|
end
|
|
if msg.to.type == 'chat' then
|
|
return 'chat#id'..msg.to.id
|
|
end
|
|
end
|
|
|
|
function is_chat_msg( msg )
|
|
if msg.to.type == 'chat' then
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function string.random(length)
|
|
math.randomseed(os.time())
|
|
local str = "";
|
|
for i = 1, length do
|
|
math.random(97, 122)
|
|
str = str..string.char(math.random(97, 122));
|
|
end
|
|
return str;
|
|
end
|
|
|
|
function string:split(sep)
|
|
local sep, fields = sep or ":", {}
|
|
local pattern = string.format("([^%s]+)", sep)
|
|
self:gsub(pattern, function(c) fields[#fields+1] = c end)
|
|
return fields
|
|
end
|
|
|
|
function download_to_file( url , noremove )
|
|
print("url to download: "..url)
|
|
local ltn12 = require "ltn12"
|
|
local respbody = {}
|
|
one, c, h = http.request{url=url, sink=ltn12.sink.table(respbody), redirect=true}
|
|
htype = h["content-type"]
|
|
vardump(c)
|
|
print("content-type: "..htype)
|
|
if htype == "image/jpeg" then
|
|
file_name = string.random(5)..".jpg"
|
|
file_path = "/tmp/"..file_name
|
|
else
|
|
if htype == "image/gif" then
|
|
file_name = string.random(5)..".gif"
|
|
file_path = "/tmp/"..file_name
|
|
else
|
|
if htype == "image/png" then
|
|
file_name = string.random(5)..".png"
|
|
file_path = "/tmp/"..file_name
|
|
else
|
|
file_name = url:match("([^/]+)$")
|
|
file_path = "/tmp/"..file_name
|
|
end
|
|
end
|
|
end
|
|
file = io.open(file_path, "w+")
|
|
file:write(table.concat(respbody))
|
|
file:close()
|
|
|
|
if noremove == nil then
|
|
postpone(rmtmp_cb, file_path, config.rmtmp_delay)
|
|
end
|
|
|
|
return file_path
|
|
end
|
|
|
|
function vardump(value, depth, key)
|
|
local linePrefix = ""
|
|
local spaces = ""
|
|
|
|
if key ~= nil then
|
|
linePrefix = "["..key.."] = "
|
|
end
|
|
|
|
if depth == nil then
|
|
depth = 0
|
|
else
|
|
depth = depth + 1
|
|
for i=1, depth do spaces = spaces .. " " end
|
|
end
|
|
|
|
if type(value) == 'table' then
|
|
mTable = getmetatable(value)
|
|
if mTable == nil then
|
|
print(spaces ..linePrefix.."(table) ")
|
|
else
|
|
print(spaces .."(metatable) ")
|
|
value = mTable
|
|
end
|
|
for tableKey, tableValue in pairs(value) do
|
|
vardump(tableValue, depth, tableKey)
|
|
end
|
|
elseif type(value) == 'function' or
|
|
type(value) == 'thread' or
|
|
type(value) == 'userdata' or
|
|
value == nil
|
|
then
|
|
print(spaces..tostring(value))
|
|
else
|
|
print(spaces..linePrefix.."("..type(value)..") "..tostring(value))
|
|
end
|
|
end
|
|
|
|
-- 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
|
|
|
|
-- 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
|