Mercurial > prosody-modules

annotate mod_muc_mention_notifications/mod_muc_mention_notifications.lua @ 5170:4d6af8950016

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mod_muc_moderation: Derive role from reserved nickname if occupant When using a different client to moderate than the one used to participate in the chat, e.g. a command line tool like clix, there's no occupant and no role to use in the permission check. Previously the default role based on affiliation was used. Now if you are present in the room using your reserved nick, the role you have there is used in the permission check instead of the default affiliation-derived role.
author Kim Alvefur <zash@zash.se>
date Sun, 19 Feb 2023 18:17:37 +0100
parents fc5c53d9d340
children
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Seve Ferrer <seve@delape.net>
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1 local jid = require "util.jid";
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2 local st = require "util.stanza";
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3 local datetime = require "util.datetime";
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4 local jid_resource = require "util.jid".resource;
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5
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6 local notify_unaffiliated_users = module:get_option("muc_mmn_notify_unaffiliated_users", false)
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7
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8 local muc_affiliation_store = module:open_store("config", "map");
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9
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10 local mmn_xmlns = "urn:xmpp:mmn:0";
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11 local reference_xmlns = "urn:xmpp:reference:0";
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12 local forwarded_xmlns = "urn:xmpp:forward:0";
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13 local deplay_xmlns = "urn:xmpp:delay";
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15
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16 -- Returns a set of rooms the user is affiliated to
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17 local function get_user_rooms(user_bare_jid)
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18 return muc_affiliation_store:get_all(user_bare_jid);
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19 end
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20
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21 local function is_eligible(user_bare_jid, room)
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22 if notify_unaffiliated_users then return true; end
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23
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24 local user_rooms, err = get_user_rooms(user_bare_jid);
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25 if not user_rooms then
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26 if err then
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27 return false, err;
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28 end
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29 return false;
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30 end
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31
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32 local room_node = jid.node(room.jid)
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33 if user_rooms[room_node] then
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34 return true;
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35 end
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36
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37 return false
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38 end
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39
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40 -- Send a single notification for a room, updating data structures as needed
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41 local function send_single_notification(user_bare_jid, room_jid, mention_stanza)
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42 local notification = st.message({ to = user_bare_jid, from = room_jid })
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43 :tag("mentions", { xmlns = mmn_xmlns })
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44 :tag("forwarded", {xmlns = forwarded_xmlns})
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45 :tag("delay", {xmlns = deplay_xmlns, stamp = datetime.datetime()}):up()
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46 :add_child(mention_stanza)
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47 :reset();
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48 module:log("debug", "Sending mention notification from %s to %s", room_jid, user_bare_jid);
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49 return module:send(notification);
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50 end
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51
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52 local function notify_mentioned_users(room, client_mentions, mention_stanza)
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53 module:log("debug", "NOTIFYING FOR %s", room.jid)
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54 for mentioned_jid in pairs(client_mentions) do
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55 local user_bare_jid = mentioned_jid;
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56 if (string.match(mentioned_jid, room.jid)) then
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57 local nick = jid_resource(mentioned_jid);
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58 user_bare_jid = room:get_registered_jid(nick);
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59 end
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60 if is_eligible(user_bare_jid, room) then
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61 send_single_notification(user_bare_jid, room.jid, mention_stanza);
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62 end
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63 end
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64 end
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65
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66 local function get_mentions(stanza)
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67 local has_mentions = false
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68 local client_mentions = {}
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69
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70 for element in stanza:childtags("reference", reference_xmlns) do
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71 if element.attr.type == "mention" then
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72 local user_bare_jid = element.attr.uri:match("^xmpp:(.+)$");
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73 if user_bare_jid then
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74 client_mentions[user_bare_jid] = user_bare_jid;
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75 has_mentions = true
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76 end
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77 end
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78 end
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79
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80 return has_mentions, client_mentions
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81 end
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82
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83 module:hook("muc-broadcast-message", function (event)
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84 local room, stanza = event.room, event.stanza;
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85 local body = stanza:get_child_text("body")
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86 if not body or #body < 1 then return; end
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87 local correction = stanza:get_child("replace", "urn:xmpp:message-correct:0");
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88 if correction then return; end -- Do not notify on message corrections
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89
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90 local has_mentions, client_mentions = get_mentions(stanza)
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91 if not has_mentions then return; end
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92
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93 -- Notify any users that need to be notified
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94 notify_mentioned_users(room, client_mentions, stanza);
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95 end, -1);