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annotate mod_admin_blocklist/mod_admin_blocklist.lua @ 5406:b86d80e21c60

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mod_http_oauth2: Validate consistency of response and grant types Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even though we currently only check the response type during authorization. This could probably all be deleted if (when!) we remove the implicit grant, since then these things don't make any sense anymore.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:34:31 +0200
parents 96e83b4a93f7
children
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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) 2015-2022 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 local include_roles = module:get_option_set("admin_blocklist_roles", { "prosody:operator"; "prosody:admin" });
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21
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22 admins = set.new();
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23 for role in include_roles do
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24 admins:include(set.new(usermanager.get_jids_with_role(role, module.host)));
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25 end
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26 else -- COMPAT w/pre-0.12
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27 admins = module:get_option_inherited_set("admins", {});
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28 end
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29 admins = admins /
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30 function (admin) -- Filter out non-local admins
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31 local user, host = jid_split(admin);
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32 if host == module.host then return user; end
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33 end
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35 local blocklists = module:open_store("blocklist");
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37 local function is_blocked(host)
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38 for admin in admins do
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39 local blocklist = blocklists:get(admin);
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40 if blocklist and blocklist[host] then
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41 return true;
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42 end
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43 end
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44 end
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46 module:hook("route/remote", function (event)
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47 local origin, stanza = event.origin, event.stanza;
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48 if is_blocked(event.to_host) then
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49 if origin and stanza then
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50 origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Communication with this domain is not allowed"));
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51 return true;
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52 end
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53 return false;
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54 end
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55 end, -9);
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58 module:hook("s2s-stream-features", function (event)
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59 local session = event.origin;
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60 if is_blocked(session.from_host) then
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61 session:close("policy-violation");
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62 return false;
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63 end
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64 end, 1000);
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66 module:hook("stanza/http://etherx.jabber.org/streams:features", function (event)
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67 local session = event.origin;
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68 if is_blocked(session.to_host) then
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69 session:close("policy-violation");
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70 return true;
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71 end
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72 end, 1000);
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73