mod_pubsub_serverinfo: Update to use mod_server_info (fixes #1841)
...but only for Prosody trunk users, because 0.12 mod_server_contact_info does
not use the new API in mod_server_info.
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);