geturlasset - A URL wrapper for getcustomasset

--[[
    geturlasset - An improved version of synurlasset (pastebin.com/bWzYk6Lh0)

    This adds support for other exploits and pre-caches all files
]]

local cache = {}

if isfolder("temp") then
    for i,v in pairs(listfiles("temp")) do
        cache[v] = readfile(v)
    end
end

local getcustomasset = getsynasset or getcustomasset
local b64encode = syn.crypt.base64.encode or crypt.base64encode or base64.encode

function geturlasset(url)
    local eurl = b64encode(url)

    if cache[eurl] then return cache[eurl] end

    local file = "temp/" .. tostring(os.time()) .. ".png"
    makefolder("temp")
    writefile(file, game:HttpGet(url, true))

    local asset = getcustomasset(file)
    cache[eurl] = asset
    return asset
end

return geturlasset