prosody-modules
af7297e49885
mod_muc_mention_notifications/mod_muc_mention_notifications.lua

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mod_muc_mention_notifications/mod_muc_mention_notifications.lua @ 4307:af7297e49885

muc_mention_notifications: Rename module No need for the additional "room" in the name.
author JC Brand <jc@opkode.com>
date Mon, 21 Dec 2020 15:43:35 +0100
parent 4306:mod_muc_room_mention_notifications/mod_muc_room_mention_notifications.lua@747a14017d00
child 4308:2d42dd45638a
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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 module:log("debug", "**************************************")
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17 module:log("debug", "**************************************")
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18 module:log("debug", "**************************************")
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19 module:log("debug", "**************************************")
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20 module:log("debug", "**************************************")
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21 module:log("debug", "**************************************")
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22 module:log("debug", "**************************************")
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23 module:log("debug", "**************************************")
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24 module:log("debug", "**************************************")
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25 module:log("debug", "**************************************")
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26 module:log("debug", "**************************************")
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27
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28 -- Returns a set of rooms the user is affiliated to
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29 local function get_user_rooms(user_bare_jid)
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30 return muc_affiliation_store:get_all(user_bare_jid);
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31 end
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32
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33 local function is_eligible(user_bare_jid, room)
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34 if notify_unaffiliated_users then return true; end
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35
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36 local user_rooms, err = get_user_rooms(user_bare_jid);
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37 if not user_rooms then
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38 if err then
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39 return false, err;
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40 end
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41 return false;
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42 end
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43
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44 local room_node = jid.node(room.jid)
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45 if user_rooms[room_node] then
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46 return true;
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47 end
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48
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49 return false
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50 end
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51
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52 -- Send a single notification for a room, updating data structures as needed
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53 local function send_single_notification(user_bare_jid, room_jid, mention_stanza)
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54 local notification = st.message({ to = user_bare_jid, from = module.host })
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55 :tag("mentions", { xmlns = mmn_xmlns })
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56 :tag("forwarded", {xmlns = forwarded_xmlns})
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57 :tag("delay", {xmlns = deplay_xmlns, stamp = datetime.datetime()}):up()
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58 :add_child(mention_stanza)
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59 :reset();
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60 module:log("debug", "Sending mention notification from %s to %s", room_jid, user_bare_jid);
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61 return module:send(notification);
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62 end
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63
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64 local function notify_mentioned_users(room, client_mentions, mention_stanza)
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65 module:log("debug", "NOTIFYING FOR %s", room.jid)
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66 for mentioned_jid in pairs(client_mentions) do
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67 local user_bare_jid = mentioned_jid;
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68 if (string.match(mentioned_jid, room.jid)) then
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69 local nick = jid_resource(mentioned_jid);
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70 user_bare_jid = room:get_registered_jid(nick);
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71 end
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72 if is_eligible(user_bare_jid, room) then
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73 send_single_notification(user_bare_jid, room.jid, mention_stanza);
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74 end
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75 end
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76 end
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77
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78 local function get_mentions(stanza)
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79 local has_mentions = false
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80 local client_mentions = {}
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81
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82 for element in stanza:childtags("reference", reference_xmlns) do
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83 if element.attr.type == "mention" then
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84 local user_bare_jid = element.attr.uri:match("^xmpp:(.+)$");
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85 if user_bare_jid then
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86 client_mentions[user_bare_jid] = user_bare_jid;
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87 has_mentions = true
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88 end
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89 end
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90 end
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91
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92 return has_mentions, client_mentions
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93 end
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94
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95 if rawget(_G, "setfenv") == nil then
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96 rawset(_G, "setfenv", false)
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97 end
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98 if rawget(_G, "getfenv") == nil then
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99 rawset(_G, "getfenv", false)
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100 end
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101
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102 module:hook("muc-broadcast-message", function (event)
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103
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104 require("mobdebug").start()
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105 local room, stanza = event.room, event.stanza;
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106 local body = stanza:get_child_text("body")
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107 if not body or #body < 1 then return; end
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108 local correction = stanza:get_child("replace", "urn:xmpp:message-correct:0");
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109 if correction then return; end -- Do not notify on message corrections
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110
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111 local has_mentions, client_mentions = get_mentions(stanza)
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112 if not has_mentions then return; end
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113
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114 -- Notify any users that need to be notified
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115 notify_mentioned_users(room, client_mentions, stanza);
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116 end, -1);