Mercurial > prosody-modules

annotate mod_muc_restrict_pm/mod_muc_restrict_pm.lua @ 6513:5fb466693e85

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mod_storage_xmlarchive: Ensure list index files are removed using os.remove() on the list files leaves the new index files behind since util.datamanager does not know they are removed. Thanks Link Mauve
author Kim Alvefur <zash@zash.se>
date Tue, 07 Apr 2026 21:10:54 +0200
parents d3610fb965d6
children
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1 local st = require "util.stanza";
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2 local muc_util = module:require "muc/util";
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3 local valid_roles = muc_util.valid_roles;
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4
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5 -- Backported backwards compatibility map (Thanks MattJ)
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6 local compat_map = {
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7 everyone = "visitor";
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8 participants = "participant";
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9 moderators = "moderator";
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10 members = "affiliated";
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11 };
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12
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13 local function get_allow_pm(room)
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14 local val = room._data.allow_pm;
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15 return compat_map[val] or val or 'visitor';
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16 end
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17
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18 local function set_allow_pm(room, val)
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19 if get_allow_pm(room) == val then return false; end
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20 room._data.allow_pm = val;
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21 return true;
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22 end
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23
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24 local function get_allow_modpm(room)
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25 return room._data.allow_modpm or false;
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26 end
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27
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28 local function set_allow_modpm(room, val)
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29 if get_allow_modpm(room) == val then return false; end
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30 room._data.allow_modpm = val;
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31 return true;
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32 end
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33
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34 module:hook("muc-config-form", function(event)
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35 local pmval = get_allow_pm(event.room);
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36 table.insert(event.form, {
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37 name = 'muc#allow_pm';
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38 type = 'list-single';
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39 label = 'Allow PMs from';
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40 options = {
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41 { value = 'visitor', label = 'Everyone', default = pmval == 'visitor' },
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42 { value = 'participant', label = 'Participants', default = pmval == 'participant' },
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43 { value = 'affiliated', label = 'Members', default = pmval == 'affiliated' },
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44 { value = 'moderator', label = 'Moderators', default = pmval == 'moderator' },
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45 { value = 'none', label = 'No one', default = pmval == 'none' }
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46 }
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47 });
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48 table.insert(event.form, {
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49 name = 'muc#allow_modpm';
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50 type = 'boolean';
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51 label = 'Allow PMs to moderators';
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52 value = get_allow_modpm(event.room)
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53 });
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54 end);
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55
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56 module:hook("muc-config-submitted/muc#allow_pm", function(event)
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57 if set_allow_pm(event.room, event.value) then
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58 event.status_codes["104"] = true;
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59 end
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60 end);
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61
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62 module:hook("muc-config-submitted/muc#allow_modpm", function(event)
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63 if set_allow_modpm(event.room, event.value) then
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64 event.status_codes["104"] = true;
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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-private-message", function(event)
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69 local stanza, room = event.stanza, event.room;
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70 local from_occupant = room:get_occupant_by_nick(stanza.attr.from);
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71 local to_occupant = room:get_occupant_by_nick(stanza.attr.to);
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72
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73 -- To self is always okay
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74 if to_occupant.bare_jid == from_occupant.bare_jid then return; end
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75
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76 if get_allow_modpm(room) then
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77 if to_occupant and to_occupant.role == 'moderator'
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78 or from_occupant and from_occupant.role == "moderator" then
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79 return; -- Allow to/from moderators
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80 end
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81 end
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82
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83 local pmval = get_allow_pm(room);
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84
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85 -- Backported improved handling (Thanks MattJ)
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86 if pmval ~= "none" then
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87 if pmval == "affiliated" and room:get_affiliation(from_occupant.bare_jid) then
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88 return; -- Allow from affiliated users
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89 elseif valid_roles[from_occupant.role] >= valid_roles[pmval] then
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90 return; -- Allow from a permitted role
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91 end
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92 end
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93
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94 room:route_to_occupant(
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95 from_occupant,
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96 st.error_reply(stanza, "cancel", "policy-violation", "Private messages are restricted", room.jid)
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97 );
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98 return false;
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99 end, 1);