prosody-modules
871d140d61bb
mod_admin_blocklist/mod_admin_blocklist.lua

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mod_admin_blocklist/mod_admin_blocklist.lua @ 4268:871d140d61bb

mod_adhoc_oauth2_client: Fix including final client_id in result form The client_id is composed of the details needed for retrieving the data, making it redundant to include in the data, albeit somewhat convenient sometimes. Decided to remove it anyways, but forgot to change the result.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Nov 2020 17:00:26 +0100
parent 2313:5d05139d0555
child 4805:683d1ad16b56
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1 -- mod_admin_blocklist
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2 --
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3 -- If a local admin has blocked a domain, don't allow s2s to that domain
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4 --
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5 -- Copyright (C) 2015 Kim Alvefur
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6 --
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7 -- This file is MIT/X11 licensed.
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8 --
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10 module:depends("blocklist");
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12 local st = require"util.stanza";
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13 local jid_split = require"util.jid".split;
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15 local admins = module:get_option_inherited_set("admins", {}) /
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16 function (admin) -- Filter out non-local admins
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17 local user, host = jid_split(admin);
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18 if host == module.host then return user; end
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19 end
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21 local blocklists = module:open_store("blocklist");
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23 local function is_blocked(host)
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24 for admin in admins do
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25 local blocklist = blocklists:get(admin);
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26 if blocklist and blocklist[host] then
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27 return true;
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28 end
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29 end
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30 end
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32 module:hook("route/remote", function (event)
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33 local origin, stanza = event.origin, event.stanza;
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34 if is_blocked(event.to_host) then
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35 if origin and stanza then
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36 origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Communication with this domain is not allowed"));
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37 return true;
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38 end
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39 return false;
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40 end
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41 end, -9);
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44 module:hook("s2s-stream-features", function (event)
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45 local session = event.origin;
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46 if is_blocked(session.from_host) then
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47 session:close("policy-violation");
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48 return false;
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49 end
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50 end, 1000);
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52 module:hook("stanza/http://etherx.jabber.org/streams:features", function (event)
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53 local session = event.origin;
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54 if is_blocked(session.to_host) then
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55 session:close("policy-violation");
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56 return true;
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57 end
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58 end, 1000);
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59