view mod_filter_chatstates/mod_filter_chatstates.lua @ 3000:02fc3b64cbb7

Initial commit of mod_slack_webhooks. This provides an HTTP-based interface to and from Prosody-hosted MUCs equivalent to Slack's incoming and outgoing webhook interfaces, allowing a variety of Slack integrations to be used with a Prosody MUC.
author Nathan Whitehorn <nwhitehorn@physics.ucla.edu>
date Sun, 15 Apr 2018 08:45:43 -0700
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);