Mercurial > prosody-modules

annotate mod_muc_mention_notifications/mod_muc_mention_notifications.lua @ 4895:2542fd80cd15

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mod_turn_external: Fix type of config option (thanks mirux) There was a separate boolean option to enable TLS before, but it was merged with the port number option and it seems the typed API interface got confused. Backport of trunk rev aa7a8aa64d3f
author Kim Alvefur <zash@zash.se>
date Tue, 15 Feb 2022 21:51:52 +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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14
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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);