prosody-modules
c539334dd01a
mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua

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mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua @ 4260:c539334dd01a

mod_http_oauth2: Rescope oauth client config into users' storage This produces client_id of the form owner@host/random and prevents clients from being deleted by registering an account with the same name and then deleting the account, as well as having the client automatically be deleted when the owner account is removed. On one hand, this leaks the bare JID of the creator to users. On the other hand, it makes it obvious who made the oauth application. This module is experimental and only for developers, so this can be changed if a better method comes up.
author Kim Alvefur <zash@zash.se>
date Sat, 21 Nov 2020 23:55:10 +0100
parent 775:70ff25db37fa
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local jid_split = require "util.jid".split;
local jid_bare = require "util.jid".bare;
local load_roster = require "core.rostermanager".load_roster;

local blocked_servers = module:get_option_set("block_s2s_subscriptions")._items;

function filter_presence(event)
	if blocked_servers[event.origin.from_host] and event.stanza.attr.type == "subscribe" then
		local stanza = event.stanza;
		local to_user, to_host = jid_split(stanza.attr.to);
		local roster = load_roster(to_user, to_host);
		if roster and roster[jid_bare(stanza.attr.from)] then
			return; -- In roster, pass through
		end
		return true; -- Drop
	end
end

module:hook("presence/bare", filter_presence, 200); -- Client receiving