prosody-modules
fc6a618bfe4e
mod_muc_occupant_id/mod_muc_occupant_id.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_muc_occupant_id/mod_muc_occupant_id.lua @ 4984:fc6a618bfe4e

mod_compat_roles/README: Fix yaml syntax in metadata block
author Kim Alvefur <zash@zash.se>
date Thu, 11 Aug 2022 20:04:13 +0200
parent 4010:ae27f3359df8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
1
3631
d6164ae6179c mod_muc_occupant_id: Update links to the XEP inbox.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3630
diff changeset
2 -- Implementation of https://xmpp.org/extensions/inbox/occupant-id.html
3654
7b02b8de6d27 mod_muc_occupant_id: Update XEP number (XEP-0421)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3632
diff changeset
3 -- XEP-0421: Anonymous unique occupant identifiers for MUCs
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
4
3632
83a68f5fde1d mod_muc_occupant_id: depend on muc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3631
diff changeset
5 module:depends("muc");
83a68f5fde1d mod_muc_occupant_id: depend on muc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3631
diff changeset
6
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
7 local uuid = require "util.uuid";
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
8 local hmac_sha256 = require "util.hashes".hmac_sha256;
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
9 local b64encode = require "util.encodings".base64.encode;
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
10
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
11 local xmlns_occupant_id = "urn:xmpp:occupant-id:0";
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
12
3829
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
13 local function generate_id(occupant, room)
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
14 local bare = occupant.bare_jid;
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
15
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
16 if room._data.occupant_id_salt == nil then
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
17 room._data.occupant_id_salt = uuid.generate();
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
18 end
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
19
4010
ae27f3359df8 mod_muc_occupant_id: Don't store occupant-ids.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3945
diff changeset
20 -- XXX: Temporary not-so-important migration measure. Remove this next time
ae27f3359df8 mod_muc_occupant_id: Don't store occupant-ids.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3945
diff changeset
21 -- somebody looks at it. This module used to store every participant's
ae27f3359df8 mod_muc_occupant_id: Don't store occupant-ids.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3945
diff changeset
22 -- occupant-id all the time forever.
ae27f3359df8 mod_muc_occupant_id: Don't store occupant-ids.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3945
diff changeset
23 room._data.occupant_ids = nil;
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
24
4010
ae27f3359df8 mod_muc_occupant_id: Don't store occupant-ids.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3945
diff changeset
25 return b64encode(hmac_sha256(bare, room._data.occupant_id_salt));
3829
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
26 end
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
27
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
28 local function update_occupant(event)
3916
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
29 local stanza, room, occupant, dest_occupant = event.stanza, event.room, event.occupant, event.dest_occupant;
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
30
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
31 -- "muc-occupant-pre-change" provides "dest_occupant" but not "occupant".
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
32 if dest_occupant ~= nil then
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
33 occupant = dest_occupant;
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
34 end
3670
6a437d6eb69f mod_muc_occupant_id: add TODO regarding MAM handling
Maxime “pep” Buquet <pep@bouah.net>
parents: 3654
diff changeset
35
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
36 -- strip any existing <occupant-id/> tags to avoid forgery
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
37 stanza:remove_children("occupant-id", xmlns_occupant_id);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
38
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
39 local unique_id = generate_id(occupant, room);
3904
d14fc974efbc mod_muc_occupant_id: id is an attribute not a text node
Maxime “pep” Buquet <pep@bouah.net>
parents: 3837
diff changeset
40 stanza:tag("occupant-id", { xmlns = xmlns_occupant_id, id = unique_id }):up();
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
41 end
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
42
3945
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
43 local function muc_private(event)
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
44 local stanza, room = event.stanza, event.room;
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
45 local occupant = room._occupants[stanza.attr.from];
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
46
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
47 update_occupant({
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
48 stanza = stanza,
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
49 room = room,
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
50 occupant = occupant,
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
51 });
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
52 end
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
53
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
54 module:add_feature(xmlns_occupant_id);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
55 module:hook("muc-disco#info", function (event)
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
56 event.reply:tag("feature", { var = xmlns_occupant_id }):up();
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
57 end);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
58
3835
5258f0afa8b4 mod_muc_occupant_id: Add <occupant-id/> in presence
Maxime “pep” Buquet <pep@bouah.net>
parents: 3834
diff changeset
59 module:hook("muc-broadcast-presence", update_occupant);
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
60 module:hook("muc-occupant-pre-join", update_occupant);
3916
f1e28dcb3791 mod_muc_occupant_id: Ensure id is added to self-presences, nick changes, etc.
Maxime “pep” Buquet <pep@bouah.net>
parents: 3904
diff changeset
61 module:hook("muc-occupant-pre-change", update_occupant);
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
62 module:hook("muc-occupant-groupchat", update_occupant);
3945
cf682a02b6d8 mod_muc_occupant_id: Handle MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3916
diff changeset
63 module:hook("muc-private-message", muc_private);