Mercurial > prosody-modules

annotate mod_mamsub/mod_mamsub.lua @ 4104:476afcbfb3e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
various: Add some dependency metadata
author Kim Alvefur <zash@zash.se>
date Fri, 11 Sep 2020 17:13:34 +0200
parents 0697fbef9134
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1747
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- MAM Subscriptions prototype
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 -- Copyright (C) 2015 Kim Alvefur
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 --
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 -- This file is MIT/X11 licensed.
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local mt = require"util.multitable";
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 local st = require"util.stanza";
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 local xmlns_mamsub = "http://prosody.im/protocol/mamsub";
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 module:add_feature(xmlns_mamsub);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local host_sessions = prosody.hosts[module.host].sessions;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local weak = { __mode = "k" };
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 module:hook("iq-set/self/"..xmlns_mamsub..":subscribe", function (event)
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 local origin, stanza = event.origin, event.stanza;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 if origin.mamsub ~= nil then
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 origin.send(st.error_reply(stanza, "modify", "conflict"));
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 return true;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 origin.mamsub = xmlns_mamsub;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 local mamsub_sessions = host_sessions[origin.username].mamsub_sessions;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 if not mamsub_sessions then
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 mamsub_sessions = setmetatable({}, weak);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 host_sessions[origin.username].mamsub_sessions = mamsub_sessions;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 mamsub_sessions[origin] = true;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 origin.send(st.reply(stanza));
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 return true;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 end);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 module:hook("iq-set/self/"..xmlns_mamsub..":unsubscribe", function (event)
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 local origin, stanza = event.origin, event.stanza;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 if origin.mamsub ~= xmlns_mamsub then
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 origin.send(st.error_reply(stanza, "modify", "conflict"));
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 return true;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 origin.mamsub = nil;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 local mamsub_sessions = host_sessions[origin.username].mamsub_sessions;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 if mamsub_sessions then
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 mamsub_sessions[origin] = nil;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 origin.send(st.reply(stanza));
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 return true;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 end);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 module:hook("archive-message-added", function (event)
1748
0697fbef9134 mod_mamsub: Prevent nil indexing if message is added to archive of an offline user
Kim Alvefur <zash@zash.se>
parents: 1747
diff changeset
50 local user_session = host_sessions[event.for_user];
0697fbef9134 mod_mamsub: Prevent nil indexing if message is added to archive of an offline user
Kim Alvefur <zash@zash.se>
parents: 1747
diff changeset
51 local mamsub_sessions = user_session and user_session.mamsub_sessions;
1747
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 if not mamsub_sessions then return end;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 local for_broadcast = st.message():tag("mamsub", { xmlns = xmlns_mamsub })
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 :tag("forwarded", { xmlns = "urn:xmpp:forward:0" })
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 :add_child(event.stanza);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 for session in pairs(mamsub_sessions) do
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 if session.mamsub == xmlns_mamsub then
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 for_broadcast.attr.to = session.full_jid;
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 session.send(for_broadcast);
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 end
985e05ac833b mod_mamsub: Experimental implementation of MAM subscriptions
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 end);