Software / code / prosody-modules
Annotate
mod_admin_blocklist/mod_admin_blocklist.lua @ 4941:e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Makes MAM queries to remote hosts works.
As the comment says, MAM results from users' local archives or local
MUCs are returned via origin.send() which is provided in the event and
thus already worked. Results from remote hosts go via normal stanza
routing and events, which need this extra handling to catch.
This pattern of iq-set, message+, iq-result is generally limited to MAM.
Closest similar thing might be MUC join, but to really handle that you
would need the webhook callback mechanism.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 16 May 2022 19:47:09 +0200 |
| parent | 4805:683d1ad16b56 |
| child | 5016:964de9997552 |
| rev | line source |
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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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9 |
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10 module:depends("blocklist"); |
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11 |
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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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14 |
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15 local usermanager = require "core.usermanager"; |
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16 |
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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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29 |
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30 local blocklists = module:open_store("blocklist"); |
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31 |
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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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40 |
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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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51 |
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52 |
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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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60 |
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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 |
