Software /
code /
prosody
File
util/uuid.lua @ 12070:e662c172ea0f
mod_smacks: Remove references to connection on hibernation
Still having the connection on the session may cause unintentional
behavior, such as the session being treated as if connected, even tho
the connection has been closed.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 18 Dec 2021 12:50:53 +0100 |
parent | 7078:ec17115e3721 |
child | 12355:a0ff5c438e9d |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local random = require "util.random"; local random_bytes = random.bytes; local hex = require "util.hex".to; local m_ceil = math.ceil; local function get_nibbles(n) return hex(random_bytes(m_ceil(n/2))):sub(1, n); end local function get_twobits() return ("%x"):format(random_bytes(1):byte() % 4 + 8); end local function generate() -- generate RFC 4122 complaint UUIDs (version 4 - random) return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12); end return { get_nibbles=get_nibbles; generate = generate ; -- COMPAT seed = random.seed; };