prosody-modules
13070c6a7ce8
mod_adhoc_blacklist/mod_adhoc_blacklist.lua

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mod_adhoc_blacklist/mod_adhoc_blacklist.lua @ 4930:13070c6a7ce8

mod_http_muc_log: Fix exception on lack of trailing slash in room path A request to /room leads to the match call returning nil which in turn calls nodeprep(nil). In Prosody 0.11.x this does nothing and simply returns the nil, while in 0.12 it is an error. Now it redirects to the calendar view at /room/ - even for non-existant rooms. Discovered at a deployment with http_paths = { muc_log = "/" } and requests to /robots.txt and similar, which now result in a uses redirect before returning 404.
author Kim Alvefur <zash@zash.se>
date Fri, 22 Apr 2022 14:29:32 +0200
parent 1736:efbb73851af9
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1 -- mod_adhoc_blacklist
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2 --
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3 -- http://xmpp.org/extensions/xep-0133.html#edit-blacklist
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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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9
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10 module:depends("adhoc");
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11 local adhoc = module:require "adhoc";
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12 local st = require"util.stanza";
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13 local set = require"util.set";
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14 local dataform = require"util.dataforms";
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15 local adhoc_inital_data = require "util.adhoc".new_initial_data_form;
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16
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17 local blocklist_form = dataform.new {
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18 title = "Editing the Blacklist";
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19 instructions = "Fill out this form to edit the list of entities with whom communications are disallowed.";
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20 {
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21 type = "hidden";
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22 name = "FORM_TYPE";
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23 value = "http://jabber.org/protocol/admin";
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24 };
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25 {
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26 type = "jid-multi";
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27 name = "blacklistjids";
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28 label = "The blacklist";
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29 };
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30 }
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31
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32 local blocklists = module:open_store("blocklist");
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33
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34 local blocklist_handler = adhoc_inital_data(blocklist_form, function ()
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35 local blacklistjids = {};
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36 local blacklist = blocklists:get();
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37 if blacklist then
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38 for jid in pairs(blacklist) do
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39 table.insert(blacklistjids, jid);
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40 end
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41 end
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42 return { blacklistjids = blacklistjids };
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43 end, function(fields, form_err)
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44 if form_err then
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45 return { status = "completed", error = { message = "Problem in submitted form" } };
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46 end
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47 local blacklistjids = set.new(fields.blacklistjids);
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48 local ok, err = blocklists:set(nil, blacklistjids._items);
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49 if ok then
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50 return { status = "completed", info = "Blacklist updated" };
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51 else
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52 return { status = "completed", error = { message = "Error saving blacklist: "..err } };
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53 end
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54 end);
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55
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56 module:add_item("adhoc", adhoc.new("Edit Blacklist", "http://jabber.org/protocol/admin#edit-blacklist", blocklist_handler, "admin"));
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57
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58 local function is_blocked(host)
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59 local blacklistjids = blocklists:get();
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60 return blacklistjids and blacklistjids[host];
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61 end
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62
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63 module:hook("route/remote", function (event)
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64 local origin, stanza = event.origin, event.stanza;
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65 if is_blocked(event.to_host) then
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66 if origin and stanza then
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67 origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Communication with this domain is not allowed"));
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68 return true;
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69 end
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70 return false;
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71 end
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72 end, 1000);
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73
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74
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75 module:hook("s2s-stream-features", function (event)
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76 local session = event.origin;
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77 if is_blocked(session.from_host) then
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78 session:close("policy-violation");
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79 return false;
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80 end
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81 end, 1000);
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82
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83 module:hook("stanza/http://etherx.jabber.org/streams:features", function (event)
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84 local session = event.origin;
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85 if is_blocked(session.to_host) then
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86 session:close("policy-violation");
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87 return true;
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88 end
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89 end, 1000);
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90