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Commit initial version of mod_compression.

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Tobias Markmann 2009-08-12 20:05:05 +02:00
parent f8e114fc45
commit 2a6728cb47
1 changed files with 35 additions and 0 deletions
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plugins/mod_compression.lua Normal file
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-- 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
);