prosody
f7e40f1a5f53
util/uuid.lua

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Software / code / prosody

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util/uuid.lua @ 12460:f7e40f1a5f53 0.12

mod_storage_xep0227: Fix mapping of nodes without explicit configuration Turns out this table was wrong, it's missing some fields which are required and it's 'name', not 'node'. Setting it to the boolean true invokes compatibility behavior in mod_pep which results in the correct default structure.
author Kim Alvefur <zash@zash.se>
date Fri, 08 Apr 2022 23:35:31 +0200
parent 12355:a0ff5c438e9d
child 12975:d10957394a3c
line wrap: on
line source

-- 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".encode;
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;
};