prosody-modules
09d6bbd6c8a4
mod_muc_notifications/mod_muc_notifications.lua

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mod_muc_notifications/mod_muc_notifications.lua @ 5185:09d6bbd6c8a4

mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow It's optional and the one stored in the client registration should really be used instead. RFC 6749 says an URI provided as parameter MUST be validated against the stored one but does not say how. Given that the client needs their secret to proceed, it seems fine to leave this for later.
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:00:42 +0100
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")