prosody-modules
8006da2cf44c
mod_deny_omemo/mod_deny_omemo.lua

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mod_deny_omemo/mod_deny_omemo.lua @ 4299:8006da2cf44c

For deployments that have https://hg.prosody.im/trunk/file/tip/plugins/muc/register.lib.lua#l7 and use https://modules.prosody.im/mod_muc_http_auth.html users can still register to a MUC even if they are not allowed to join. That means they would receive RAI or RMN, for instance.
author Seve Ferrer <seve@delape.net>
date Tue, 15 Dec 2020 11:26:29 +0100
parent 3053:2ad35f08bd57
line wrap: on
line source

local st = require "util.stanza";

local omemo_namespace_prefix = "eu.siacs.conversations.axolotl."

module:hook("iq/bare/http://jabber.org/protocol/pubsub:pubsub", function (event)
	local origin, stanza = event.origin, event.stanza;

	local node = stanza.tags[1].tags[1].attr.node;
	if node and node:sub(1, #omemo_namespace_prefix) == omemo_namespace_prefix then
		origin.send(st.error_reply(stanza, "cancel", "item-not-found", "OMEMO is disabled"));
		return true;
	end
end, 10);