Mercurial > prosody-modules

annotate mod_admin_blocklist/mod_admin_blocklist.lua @ 4989:b74d592df9e2

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mod_http_muc_log: Remove dead code This might be something left over since a different variant where the loop went like `for n = i-1, i-100, -1 do ... end` i.e. it went trough a fixed number of items instead of all the page until the current message. Then it would have needed something to stop going over the end, but since the checks are simple it shouldn't be much of a problem looping over even a very busy day.
author Kim Alvefur <zash@zash.se>
date Tue, 16 Aug 2022 01:27:59 +0200
parents 683d1ad16b56
children 964de9997552
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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) 2015-2021 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 usermanager = require "core.usermanager";
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17 local admins;
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18 if usermanager.get_jids_with_role then
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19 local set = require "util.set";
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20 admins = set.new(usermanager.get_jids_with_role("prosody:admin"), module.host);
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21 else -- COMPAT w/pre-0.12
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22 admins = module:get_option_inherited_set("admins", {});
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23 end
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24 admins = admins /
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25 function (admin) -- Filter out non-local admins
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26 local user, host = jid_split(admin);
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27 if host == module.host then return user; end
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28 end
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30 local blocklists = module:open_store("blocklist");
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32 local function is_blocked(host)
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33 for admin in admins do
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34 local blocklist = blocklists:get(admin);
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35 if blocklist and blocklist[host] then
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36 return true;
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37 end
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38 end
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39 end
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41 module:hook("route/remote", function (event)
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42 local origin, stanza = event.origin, event.stanza;
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43 if is_blocked(event.to_host) then
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44 if origin and stanza then
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45 origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Communication with this domain is not allowed"));
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46 return true;
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47 end
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48 return false;
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49 end
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50 end, -9);
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53 module:hook("s2s-stream-features", function (event)
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54 local session = event.origin;
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55 if is_blocked(session.from_host) then
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56 session:close("policy-violation");
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57 return false;
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58 end
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59 end, 1000);
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61 module:hook("stanza/http://etherx.jabber.org/streams:features", function (event)
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62 local session = event.origin;
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63 if is_blocked(session.to_host) then
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64 session:close("policy-violation");
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65 return true;
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66 end
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67 end, 1000);
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68