File

mod_compact_resource/mod_compact_resource.lua @ 4609:fcfe691d6322

mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat This silences a warning about using the non-existent global 'utf8' each time this line was hit. The utf8 library was introduced in Lua 5.3, so the warning would appear with 5.1 and 5.2.
author Kim Alvefur <zash@zash.se>
date Wed, 30 Jun 2021 15:53:49 +0200
parent 1761:6f34e51a23f0
line wrap: on
line source


local base64_encode = require"util.encodings".base64.encode;
local random_bytes = require"util.random".bytes;

local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
local function random_resource()
	return base64_encode(random_bytes(8)):gsub("[+/=]", b64url);
end

module:hook("pre-resource-bind", function (event)
	event.resource = random_resource();
end);