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authorTobias Markmann <tm@ayena.de>2009-08-12 20:05:05 +0200
committerTobias Markmann <tm@ayena.de>2009-08-12 20:05:05 +0200
commit2a6728cb478ac50e23202a8a7f04344f8bdd372c (patch)
tree621d273899035f9b32d7a5deedc965fcf08bda2b
parentf8e114fc45beb5935b27a537a91e01063617109a (diff)
downloadprosody-2a6728cb478ac50e23202a8a7f04344f8bdd372c.tar.gz
prosody-2a6728cb478ac50e23202a8a7f04344f8bdd372c.zip
Commit initial version of mod_compression.
-rw-r--r--plugins/mod_compression.lua35
1 files changed, 35 insertions, 0 deletions
diff --git a/plugins/mod_compression.lua b/plugins/mod_compression.lua
new file mode 100644
index 00000000..4b898833
--- /dev/null
+++ b/plugins/mod_compression.lua
@@ -0,0 +1,35 @@
+-- Prosody IM
+-- Copyright (C) 2009 Tobias Markmann
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local st = require "util.stanza";
+local print = print
+
+local xmlns_compression_feature = "http://jabber.org/features/compress"
+local xmlns_compression_protocol = "http://jabber.org/protocol/compress"
+local compression_stream_feature = st.stanza("compression", {xmlns=xmlns_compression_feature}):tag("method"):text("zlib"):up();
+
+
+module:add_event_hook("stream-features",
+ function (session, features)
+ features:add_child(compression_stream_feature);
+ end
+);
+
+module:add_handler("c2s_unauthed", "compress", xmlns_compression_protocol,
+ function(session, stanza)
+ -- checking if the compression method is supported
+ local method = stanza:child_with_name("method")[1];
+ if method == "zlib" then
+ session.log("info", method.." compression selected.");
+ session.send(st.stanza("compressed", {xmlns=xmlns_compression_protocol}));
+ else
+ session.log("info", method.." compression selected. But we don't support it.");
+ local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("unsupported-method");
+ session.send(error_st);
+ end
+ end
+);