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annotate mod_admin_blocklist/mod_admin_blocklist.lua @ 3656:3e0f4d727825

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mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents 5d05139d0555
children 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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