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plugins/muc/password.lib.lua

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plugins/muc/password.lib.lua @ 13270:14bbfb2cc8dd default tip

lint: Teach luacheck about module:once Silence warning for using this introduced in 9c62ffbdf2ae
author Kim Alvefur <zash@zash.se>
date Sun, 15 Oct 2023 16:43:14 +0200
parent 12977:74b9e05af71e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 -- Copyright (C) 2014 Daurnimator
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9
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10 local st = require "prosody.util.stanza";
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11
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12 local function get_password(room)
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13 return room._data.password;
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14 end
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15
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16 local function set_password(room, password)
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17 if password == "" then password = nil; end
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18 if room._data.password == password then return false; end
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19 room._data.password = password;
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20 return true;
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21 end
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22
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23 module:hook("muc-disco#info", function(event)
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24 event.reply:tag("feature", {var = get_password(event.room) and "muc_passwordprotected" or "muc_unsecured"}):up();
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25 end);
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26
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27 module:hook("muc-config-form", function(event)
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28 table.insert(event.form, {
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29 name = "muc#roomconfig_roomsecret";
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30 type = "text-private";
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31 label = "Password";
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32 value = get_password(event.room) or "";
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33 });
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34 end, 90-2);
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35
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36 module:hook("muc-config-submitted/muc#roomconfig_roomsecret", function(event)
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37 if set_password(event.room, event.value) then
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38 event.status_codes["104"] = true;
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39 end
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40 end);
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41
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42 -- Don't allow anyone to join room unless they provide the password
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43 module:hook("muc-occupant-pre-join", function(event)
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44 local room, stanza = event.room, event.stanza;
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45 if not get_password(room) then return end
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46 local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc");
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47 if not muc_x then return end
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48 local password = muc_x:get_child_text("password", "http://jabber.org/protocol/muc");
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49 if not password or password == "" then password = nil; end
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50 if get_password(room) ~= password then
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51 local from, to = stanza.attr.from, stanza.attr.to;
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52 module:log("debug", "%s couldn't join due to invalid password: %s", from, to);
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53 local reply = st.error_reply(stanza, "auth", "not-authorized", nil, room.jid):up();
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54 event.origin.send(reply);
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55 return true;
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56 end
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57 end, -20);
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58
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59 -- Add password to outgoing invite
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60 module:hook("muc-invite", function(event)
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61 local password = get_password(event.room);
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62 if password then
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63 local x = event.stanza:get_child("x", "http://jabber.org/protocol/muc#user");
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64 x:tag("password"):text(password):up();
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65 end
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66 end);
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67
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68 module:hook("muc-room-pre-create", function (event)
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69 local stanza, room = event.stanza, event.room;
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70 local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc");
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71 if not muc_x then return end
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72 local password = muc_x:get_child_text("password", "http://jabber.org/protocol/muc");
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73 set_password(room, password);
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74 end);
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75
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76 return {
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77 get = get_password;
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78 set = set_password;
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79 };