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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 "util.stanza"; |
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11 |
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12 local valid_roles = { "visitor", "participant", "moderator" }; |
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13 local default_broadcast = { |
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14 none = true; |
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15 visitor = true; |
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16 participant = true; |
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17 moderator = true; |
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18 }; |
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19 |
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20 local function get_presence_broadcast(room) |
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21 return room._data.presence_broadcast or default_broadcast; |
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22 end |
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23 |
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24 local function set_presence_broadcast(room, broadcast_roles) |
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25 broadcast_roles = broadcast_roles or default_broadcast; |
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26 |
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27 -- Ensure that unavailable presence is always sent when role changes to none |
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28 broadcast_roles.none = true; |
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29 |
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30 local changed = false; |
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31 local old_broadcast_roles = get_presence_broadcast(room); |
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32 for _, role in ipairs(valid_roles) do |
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33 if old_broadcast_roles[role] ~= broadcast_roles[role] then |
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34 changed = true; |
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35 end |
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36 end |
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37 |
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38 if not changed then return false; end |
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39 |
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40 room._data.presence_broadcast = broadcast_roles; |
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41 |
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42 for _, occupant in room:each_occupant() do |
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43 local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user";}); |
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44 local role = occupant.role or "none"; |
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45 if broadcast_roles[role] and not old_broadcast_roles[role] then |
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46 -- Presence broadcast is now enabled, so announce existing user |
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47 room:publicise_occupant_status(occupant, x); |
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48 elseif old_broadcast_roles[role] and not broadcast_roles[role] then |
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49 -- Presence broadcast is now disabled, so mark existing user as unavailable |
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50 room:publicise_occupant_status(occupant, x, nil, nil, nil, nil, true); |
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51 end |
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52 end |
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53 |
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54 return true; |
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55 end |
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56 |
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57 module:hook("muc-config-form", function(event) |
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58 local values = {}; |
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59 for role, value in pairs(get_presence_broadcast(event.room)) do |
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60 if value then |
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61 values[#values + 1] = role; |
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62 end |
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63 end |
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64 |
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65 table.insert(event.form, { |
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66 name = "muc#roomconfig_presencebroadcast"; |
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67 type = "list-multi"; |
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68 label = "Roles for which Presence is Broadcasted"; |
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69 value = values; |
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70 options = valid_roles; |
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71 }); |
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72 end, 70-7); |
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73 |
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74 module:hook("muc-config-submitted/muc#roomconfig_presencebroadcast", function(event) |
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75 local broadcast_roles = {}; |
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76 for _, role in ipairs(event.value) do |
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77 broadcast_roles[role] = true; |
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78 end |
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79 if set_presence_broadcast(event.room, broadcast_roles) then |
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80 event.status_codes["104"] = true; |
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81 end |
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82 end); |
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83 |
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84 return { |
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85 get = get_presence_broadcast; |
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86 set = set_presence_broadcast; |
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87 }; |