/usr/lib/prosody/modules/mod_message.lua is in prosody 0.9.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local full_sessions = prosody.full_sessions;
local bare_sessions = prosody.bare_sessions;
local st = require "util.stanza";
local jid_bare = require "util.jid".bare;
local jid_split = require "util.jid".split;
local user_exists = require "core.usermanager".user_exists;
local function process_to_bare(bare, origin, stanza)
local user = bare_sessions[bare];
local t = stanza.attr.type;
if t == "error" then
-- discard
elseif t == "groupchat" then
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
elseif t == "headline" then
if user and stanza.attr.to == bare then
for _, session in pairs(user.sessions) do
if session.presence and session.priority >= 0 then
session.send(stanza);
end
end
end -- current policy is to discard headlines if no recipient is available
else -- chat or normal message
if user then -- some resources are connected
local recipients = user.top_resources;
if recipients then
local sent;
for i=1,#recipients do
sent = recipients[i].send(stanza) or sent;
end
if sent then
return true;
end
end
end
-- no resources are online
local node, host = jid_split(bare);
local ok
if user_exists(node, host) then
-- TODO apply the default privacy list
ok = module:fire_event('message/offline/handle', {
origin = origin,
stanza = stanza,
});
end
if not ok then
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end
end
return true;
end
module:hook("message/full", function(data)
-- message to full JID recieved
local origin, stanza = data.origin, data.stanza;
local session = full_sessions[stanza.attr.to];
if session and session.send(stanza) then
return true;
else -- resource not online
return process_to_bare(jid_bare(stanza.attr.to), origin, stanza);
end
end);
module:hook("message/bare", function(data)
-- message to bare JID recieved
local origin, stanza = data.origin, data.stanza;
return process_to_bare(stanza.attr.to or (origin.username..'@'..origin.host), origin, stanza);
end);
module:add_feature("msgoffline");
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