view mod_auto_answer_disco_info/mod_auto_answer_disco_info.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 05c74210c007
children
line wrap: on
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module:depends("cache_c2s_caps");

local st = require "util.stanza";

local function disco_handler(event)
	local stanza, origin = event.stanza, event.origin;
	local query = stanza.tags[1];
	local to = stanza.attr.to;
	local node = query.attr.node;

	local target_session = prosody.full_sessions[to];
	if target_session == nil then
		return;
	end

	local disco_info = target_session.caps_cache;
	if disco_info ~= nil and (node == nil or node == disco_info.attr.node) then
		local iq = st.reply(stanza);
		iq:add_child(st.clone(disco_info));
		local log = origin.log or module._log;
		log("debug", "Answering disco#info on the behalf of %s", to);
		module:send(iq);
		return true;
	end
end

module:hook("iq/full", function(event)
	local stanza = event.stanza;
	if stanza.attr.type == "get" then
		if stanza:get_child("query", "http://jabber.org/protocol/disco#info") then
			return disco_handler(event);
		end
	end
end, 1);