-- Module to block all outgoing stanzas from a list of users

local jid_bare = require "util.jid".bare;

local is_admin = require "core.usermanager".is_admin;

local set = require "util.set";

local block_users = module:get_option_set("block_outgoing_users", {});

local block_all = block_users:empty();

local stanza_types = module:get_option_set("block_outgoing_stanzas", { "message" });

local jid_types = set.new{ "host", "bare", "full" };

local function block_stanza(event)

	local stanza = event.stanza;

	local from_jid = jid_bare(stanza.attr.from);

	if stanza.attr.to == nil or stanza.attr.to == module.host or is_admin(from_jid, module.host) then

		return;

	end

	if block_all or block_users:contains(from_jid)  then

		module:log("debug", "Blocked outgoing %s stanza from %s", stanza.name, stanza.attr.from);

		return true;

	end

end

function module.load()

	for stanza_type in stanza_types do

		for jid_type in jid_types do

			module:hook("pre-"..stanza_type.."/"..jid_type, block_stanza, 10000);

		end

	end

end