view mod_filter_chatstates/mod_filter_chatstates.lua @ 5265:f845c218e52c

mod_http_oauth2: Allow revoking a token without OAuth client credentials If you have a valid token, and you're not supposed to have it, revoking it seems the most responsible thing to do with it, so it should be allowed, while if you are supposed to have it, you should also be allowed to revoke it.
author Kim Alvefur <zash@zash.se>
date Tue, 21 Mar 2023 22:02:38 +0100
parents d6e673f98572
children
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local filters = require "util.filters";
local st = require "util.stanza";

module:depends("csi");

local function chatstate_tag_filter(tag)
	if tag.attr.xmlns ~= "http://jabber.org/protocol/chatstates" then
		return tag;
	end
end

local function filter_chatstates(stanza)
	if stanza.name == "message" then
		stanza = st.clone(stanza);
		stanza:maptags(chatstate_tag_filter);
		if #stanza.tags == 0 then
			return nil;
		end
	end
	return stanza;
end

module:hook("csi-client-inactive", function (event)
	local session = event.origin;
	filters.add_filter(session, "stanzas/out", filter_chatstates);
end);

module:hook("csi-client-active", function (event)
	local session = event.origin;
	filters.remove_filter(session, "stanzas/out", filter_chatstates);
end);