mod_rest: Support parameters in callback URL
E.g.
rest_callback_url = "http://myapi.example:5000/api/{kind}/{type}"
which results in e.g. requests to /api/message/chat
Allows using path routing in web frameworks for dispatch instead of
having to pick apart the payload to further dispatch it.
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);