prosody
b8eec163a823
plugins/mod_compression.lua

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

Software / code / prosody

Annotate

plugins/mod_compression.lua @ 1669:b8eec163a823

Commit initial version of mod_compression.
author Tobias Markmann <tm@ayena.de>
date Wed, 12 Aug 2009 20:05:05 +0200
child 1670:23bb280c5eac
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1669
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
1 -- Prosody IM
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
2 -- Copyright (C) 2009 Tobias Markmann
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
3 --
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
6 --
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
7
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
8 local st = require "util.stanza";
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
9 local print = print
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
10
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
11 local xmlns_compression_feature = "http://jabber.org/features/compress"
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
12 local xmlns_compression_protocol = "http://jabber.org/protocol/compress"
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
13 local compression_stream_feature = st.stanza("compression", {xmlns=xmlns_compression_feature}):tag("method"):text("zlib"):up();
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
14
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
15
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
16 module:add_event_hook("stream-features",
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
17 function (session, features)
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
18 features:add_child(compression_stream_feature);
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
19 end
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
20 );
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
21
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
22 module:add_handler("c2s_unauthed", "compress", xmlns_compression_protocol,
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
23 function(session, stanza)
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
24 -- checking if the compression method is supported
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
25 local method = stanza:child_with_name("method")[1];
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
26 if method == "zlib" then
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
27 session.log("info", method.." compression selected.");
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
28 session.send(st.stanza("compressed", {xmlns=xmlns_compression_protocol}));
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
29 else
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
30 session.log("info", method.." compression selected. But we don't support it.");
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
31 local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("unsupported-method");
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
32 session.send(error_st);
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
33 end
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
34 end
b8eec163a823 Commit initial version of mod_compression.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
35 );