blob: 731355faf5d1f36ebcf3cdce04540eb696166d2e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
-- Prosody IM
-- Copyright (C) 2008-2017 Matthew Wild
-- Copyright (C) 2008-2017 Waqas Hussain
-- Copyright (C) 2008-2017 Kim Alvefur
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local s_gsub = string.gsub;
local random_bytes = require "util.random".bytes;
local base64_encode = require "util.encodings".base64.encode;
local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
local function b64url_random(len)
return (s_gsub(base64_encode(random_bytes(len)), "[+/=]", b64url));
end
return {
short = function () return b64url_random(6); end;
medium = function () return b64url_random(12); end;
long = function () return b64url_random(24); end;
custom = function (size)
return function () return b64url_random(size); end;
end;
}
|
