Mercurial > prosody-modules

annotate mod_muc_occupant_id/mod_muc_occupant_id.lua @ 3863:45b04f05d624

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_rest: Add some comments to example code
author Kim Alvefur <zash@zash.se>
date Sat, 25 Jan 2020 20:11:00 +0100
parents 7440cffe30e2
children d14fc974efbc
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
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
20 if room._data.occupant_ids == nil then
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
21 room._data.occupant_ids = {};
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
22 end
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
23
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
24 if room._data.occupant_ids[bare] == nil then
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
25 local unique_id = b64encode(hmac_sha256(bare, room._data.occupant_id_salt));
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
26 room._data.occupant_ids[bare] = unique_id;
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
27 end
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
28
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
29 return room._data.occupant_ids[bare];
3829
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
30 end
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
31
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
32 local function update_occupant(event)
3829
f20a5d28910f mod_muc_occupant_id: Ensure occupants have a generated id
Maxime “pep” Buquet <pep@bouah.net>
parents: 3775
diff changeset
33 local stanza, occupant, room = event.stanza, event.occupant, event.room;
3670
6a437d6eb69f mod_muc_occupant_id: add TODO regarding MAM handling
Maxime “pep” Buquet <pep@bouah.net>
parents: 3654
diff changeset
34
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
35 -- 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
36 stanza:remove_children("occupant-id", xmlns_occupant_id);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
37
3834
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
38 local unique_id = generate_id(occupant, room);
3629
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
39 stanza:tag("occupant-id", { xmlns = xmlns_occupant_id })
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
40 :text(unique_id)
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
41 :up();
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
42 end
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
43
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
44 module:add_feature(xmlns_occupant_id);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
45 module:hook("muc-disco#info", function (event)
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
46 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
47 end);
cfe0907808e1 mod_muc_occupant_id: initial commit
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
48
3837
7440cffe30e2 mod_muc_occupant_id: Add TODO about MUC-PMs
Maxime “pep” Buquet <pep@bouah.net>
parents: 3835
diff changeset
49 -- TODO: Handle MUC-PMs
3835
5258f0afa8b4 mod_muc_occupant_id: Add <occupant-id/> in presence
Maxime “pep” Buquet <pep@bouah.net>
parents: 3834
diff changeset
50 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
51 module:hook("muc-occupant-pre-join", update_occupant);
2f189f022b84 mod_muc_occupant_id: Simplify handling of occupants (all into one function)
Maxime “pep” Buquet <pep@bouah.net>
parents: 3831
diff changeset
52 module:hook("muc-occupant-groupchat", update_occupant);