prosody-modules
69219097aa85
mod_muc_notifications/mod_muc_notifications.lua
Software / code / prosody-modules
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mod_muc_notifications/mod_muc_notifications.lua @ 3498:69219097aa85
muc_notifications: notify non-present members of new messages
This module, in the event of a new message in a Group Chat, will
generate a notification for each of those members not present at that
time in the Group Chat
| author | marc0s <marcos.devera@quobis.com> |
|---|---|
| date | Fri, 29 Mar 2019 17:03:05 +0100 |
| child | 4089:ef752c5115f7 |
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| 3497:bc67519803f5 | 3498:69219097aa85 |
|---|---|
| 1 -- mod_muc_notifications | |
| 2 -- | |
| 3 -- Copyright (C) 2019 Marcos de Vera Piquero <marcos.devera@quobis.com> | |
| 4 -- | |
| 5 -- This file is MIT/X11 licensed. | |
| 6 -- | |
| 7 -- A module to notify non-present members of messages in a group chat | |
| 8 -- | |
| 9 | |
| 10 local id = require"util.id" | |
| 11 local st = require"util.stanza" | |
| 12 | |
| 13 local use_invite = module:get_option_boolean("muc_notification_invite", false) | |
| 14 | |
| 15 -- Given a stanza, compute if it qualifies as important (notifiable) | |
| 16 -- return true for message stanzas with non-empty body | |
| 17 -- Should probably use something similar to muc-message-is-historic event | |
| 18 local function is_important(stanza) | |
| 19 local body = stanza:find("body#") | |
| 20 return body and #body | |
| 21 end | |
| 22 | |
| 23 local function handle_muc_message(event) | |
| 24 -- event.room and event.stanza are available | |
| 25 local room = event.room | |
| 26 local stanza = event.stanza | |
| 27 for jid, aff in pairs(room._affiliations) do | |
| 28 if aff ~= "outcast" then | |
| 29 local is_occupant = false | |
| 30 for _, occupant in pairs(room._occupants) do | |
| 31 if occupant.bare_jid == jid then | |
| 32 is_occupant = true | |
| 33 break | |
| 34 end | |
| 35 end | |
| 36 if not is_occupant and is_important(stanza) then | |
| 37 -- send notification to jid | |
| 38 local attrs = { | |
| 39 to = jid, | |
| 40 id = id.short(), | |
| 41 from = room.jid, | |
| 42 } | |
| 43 local not_attrs = { | |
| 44 xmlns = "http://quobis.com/xmpp/muc#push", | |
| 45 jid = room.jid, | |
| 46 } | |
| 47 local reason = "You have messages in group chat "..room:get_name() | |
| 48 local notification = st.message(attrs) | |
| 49 :body(reason):up() | |
| 50 :tag("notification", not_attrs):up() | |
| 51 :tag("no-store", {xmlns = "urn:xmpp:hints"}) | |
| 52 local invite = st.message(attrs):tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) | |
| 53 :tag("invite", {from = stanza.attr.from}) | |
| 54 :tag("reason"):text(reason):up():up():up() | |
| 55 :tag("notification", not_attrs):up() | |
| 56 :tag("no-store", {xmlns = "urn:xmpp:hints"}) | |
| 57 module:log("debug", "notifying with %s", tostring(use_invite and invite or notification)) | |
| 58 module:send(use_invite and invite or notification) | |
| 59 module:log("debug", "sent notification of MUC message %s", use_invite and invite or notification) | |
| 60 end | |
| 61 end | |
| 62 end | |
| 63 end | |
| 64 | |
| 65 module:hook("muc-broadcast-message", handle_muc_message) | |
| 66 | |
| 67 module:log("debug", "Module loaded") |
