Mercurial > prosody-modules

annotate mod_muc_mention_notifications/mod_muc_mention_notifications.lua @ 5119:048e339706ba

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mod_rest: Remove manual reference expansion in schema This hack was originally added to reduce the number of definitions of common attributes (type, to, from etc) and payloads (e.g. delay). This predated pointers and references, and until now was needed because parsing picked out the correct stanza kind from the schema, which broke internal references. Removing this hack paves the way for allowing the schema to be configured or customized more easily.
author Kim Alvefur <zash@zash.se>
date Tue, 20 Dec 2022 21:48:28 +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);