File

mod_support_contact/mod_support_contact.lua @ 4537:53ee391ca689

mod_smacks: Fix traceback due to session being destroyed in send() Sending something can cause the OS to notice that the connection is dead and then the connection can be dead at this point. More likely if opportunistic_writes is enabled.
author Kim Alvefur <zash@zash.se>
date Thu, 01 Apr 2021 11:35:26 +0200
parent 1343:7dbde05b48a9
line wrap: on
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-- mod_support_contact.lua
--
-- Config options:
--   support_contact = "support@hostname"; -- a JID
--   support_contact_nick = "Support!"; -- roster nick
--   support_contact_group = "Users being supported!"; -- the roster group in the support contact's roster

local host = module:get_host();

local support_contact = module:get_option_string("support_contact", "support@"..host);
local support_contact_nick = module:get_option_string("support_contact_nick", "Support");
local support_contact_group = module:get_option_string("support_contact_group", "Users");

if not(support_contact and support_contact_nick) then return; end

local rostermanager = require "core.rostermanager";
local jid_split = require "util.jid".split;
local st = require "util.stanza";

module:hook("user-registered", function(event)
	module:log("debug", "Adding support contact");

	local groups = support_contact_group and {[support_contact_group] = true;} or {};

	local node, host = event.username, event.host;
	local jid = node and (node..'@'..host) or host;
	local roster;

	roster = rostermanager.load_roster(node, host);
	if hosts[host] then
		roster[support_contact] = {subscription = "both", name = support_contact_nick, groups = {}};
	else
		roster[support_contact] = {subscription = "from", ask = "subscribe", name = support_contact_nick, groups = {}};
	end
	rostermanager.save_roster(node, host, roster);

	node, host = jid_split(support_contact);

	if hosts[host] then
		roster = rostermanager.load_roster(node, host);
		roster[jid] = {subscription = "both", groups = groups};
		rostermanager.save_roster(node, host, roster);
		rostermanager.roster_push(node, host, jid);
	else
		module:send(st.presence({from=jid, to=support_contact, type="subscribe"}));
	end
end);