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prosody
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util/id.lua @ 11962:9a70a543c727
util.async: Add next-tick configuration
Running woken runners in the next iteration of the event loop prevents
unexpected recursion, unexpected tracebacks, and is generally more
predictable.
The pattern is borrowed from util.promise, where we're now doing the same.
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 29 Nov 2021 14:14:30 +0000 |
parent | 8016:9546c629289b |
child | 12110:b5b799a2a10c |
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-- 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; }