Mercurial > xmpp-mass-pep-downloader / file comparison
comparison: util/id.lua
util/id.lua
- changeset 0
- 550f506de75a
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| -1:000000000000 | 0:550f506de75a |
|---|---|
| 1 -- Prosody IM | |
| 2 -- Copyright (C) 2008-2017 Matthew Wild | |
| 3 -- Copyright (C) 2008-2017 Waqas Hussain | |
| 4 -- Copyright (C) 2008-2017 Kim Alvefur | |
| 5 -- | |
| 6 -- This project is MIT/X11 licensed. Please see the | |
| 7 -- COPYING file in the source package for more information. | |
| 8 -- | |
| 9 | |
| 10 local s_gsub = string.gsub; | |
| 11 local random_bytes = require "util.random".bytes; | |
| 12 local base64_encode = require "util.encodings".base64.encode; | |
| 13 | |
| 14 local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" }; | |
| 15 local function b64url_random(len) | |
| 16 return (s_gsub(base64_encode(random_bytes(len)), "[+/=]", b64url)); | |
| 17 end | |
| 18 | |
| 19 return { | |
| 20 short = function () return b64url_random(6); end; | |
| 21 medium = function () return b64url_random(12); end; | |
| 22 long = function () return b64url_random(24); end; | |
| 23 custom = function (size) | |
| 24 return function () return b64url_random(size); end; | |
| 25 end; | |
| 26 } |
