prosody-modules
c7a5caad28ef
mod_muc_notifications/mod_muc_notifications.lua

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mod_muc_notifications/mod_muc_notifications.lua @ 5405:c7a5caad28ef

mod_http_oauth2: Enforce response type encoded in client_id The client promises to only use this response type, so we should hold them to that. This makes it fail earlier if the response type is disabled or the client is trying to use one that it promised not to use. Better than failing after login and consent.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:31:25 +0200
parent 4089:ef752c5115f7
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1 -- mod_muc_notifications
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2 --
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3 -- Copyright (C) 2019 Marcos de Vera Piquero <marcos.devera@quobis.com>
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4 --
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5 -- This file is MIT/X11 licensed.
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6 --
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7 -- A module to notify non-present members of messages in a group chat
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8 --
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9
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10 local id = require"util.id"
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11 local st = require"util.stanza"
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12
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13 local use_invite = module:get_option_boolean("muc_notification_invite", false)
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14
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15 -- Given a stanza, compute if it qualifies as important (notifiable)
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16 -- return true for message stanzas with non-empty body
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17 -- Should probably use something similar to muc-message-is-historic event
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18 local function is_important(stanza)
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19 local body = stanza:find("body#")
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20 return body and #body
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21 end
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22
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23 local function handle_muc_message(event)
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24 -- event.room and event.stanza are available
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25 local room = event.room
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26 local stanza = event.stanza
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27 for jid, aff in pairs(room._affiliations) do
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28 if aff ~= "outcast" then
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29 local is_occupant = false
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30 for _, occupant in pairs(room._occupants) do
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31 if occupant.bare_jid == jid then
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32 is_occupant = true
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33 break
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34 end
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35 end
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36 if not is_occupant and is_important(stanza) then
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37 -- send notification to jid
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38 local attrs = {
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39 to = jid,
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40 id = id.short(),
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41 from = room.jid,
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42 }
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43 local not_attrs = {
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44 xmlns = "http://quobis.com/xmpp/muc#push",
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45 jid = room.jid,
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46 }
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47 local reason = "You have messages in group chat "..(room:get_name() or room.jid)
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48 local notification = st.message(attrs)
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49 :body(reason):up()
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50 :tag("notification", not_attrs):up()
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51 :tag("no-store", {xmlns = "urn:xmpp:hints"})
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52 local invite = st.message(attrs):tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
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53 :tag("invite", {from = stanza.attr.from})
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54 :tag("reason"):text(reason):up():up():up()
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55 :tag("notification", not_attrs):up()
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56 :tag("no-store", {xmlns = "urn:xmpp:hints"})
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57 module:log("debug", "notifying with %s", tostring(use_invite and invite or notification))
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58 module:send(use_invite and invite or notification)
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59 module:log("debug", "sent notification of MUC message %s", use_invite and invite or notification)
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60 end
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61 end
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62 end
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63 end
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64
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65 module:hook("muc-broadcast-message", handle_muc_message)
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66
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67 module:log("debug", "Module loaded")