mod_s2s_auth_dane: Disable now redundant validation done in trunk
Outgoing connections can now be validated natively in trunk since
a38f9e09ca31 so we only need to check incoming connections.
-- Prosody IM
--
-- mod_admin_message -- Console-over-XMPP implementation.
--
-- This module depends on Prosody's admin_telnet module
--
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
-- Copyright (C) 2012-2013 Mikael Berthe
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local st = require "util.stanza";
local um_is_admin = require "core.usermanager".is_admin;
local admin_telnet = module:depends("admin_telnet");
local telnet_def_env = module:shared("/*/admin_telnet/env");
local telnet_commands = module:shared("/*/admin_telnet/commands");
local default_env_mt = { __index = telnet_def_env };
local host = module.host;
-- Create our own session. print() will store the results in a text
-- string. send(), quit(), disconnect() are no-op.
local function new_session ()
local session = {
send = function () end;
quit = function () end;
disconnect = function () end;
};
session.print = function (...)
local t = {};
for i=1,select("#", ...) do
t[i] = tostring(select(i, ...));
end
local text = "| "..table.concat(t, "\t");
if session.fulltext then
session.fulltext = session.fulltext .. "\n" .. text;
else
session.fulltext = text;
end
end
session.env = setmetatable({}, default_env_mt);
-- Load up environment with helper objects
for name, t in pairs(telnet_def_env) do
if type(t) == "table" then
session.env[name] = setmetatable({ session = session },
{ __index = t });
end
end
return session;
end
local function on_message(event)
-- Check the type of the incoming stanza to avoid loops:
if event.stanza.attr.type == "error" then
return; -- We do not want to reply to these, so leave.
end
local userjid = event.stanza.attr.from;
local bodytag = event.stanza:get_child("body");
local body = bodytag and bodytag:get_text() or "";
if not body or body == "" then
-- We do not reply to empty messages (chatstates, etc.)
return true;
end
-- Check the requester is an admin user
if not um_is_admin(userjid, module.host) then
module:log("info", "Ignored request from non-admin: %s",
userjid);
return;
end
-- Create a session in order to use an admin_telnet-like environment
local session = new_session();
-- Process the message using admin_telnet's onincoming function
admin_telnet.console:process_line(session, body.."\n");
-- Strip trailing blank line
session.fulltext = tostring(session.fulltext):gsub("\n|%s*$", "")
-- Send the reply stanza
local reply_stanza = st.message({ from = host, to = userjid,
type = "chat" }, session.fulltext);
module:send(reply_stanza);
return true;
end
local function on_presence(event)
local send_presence = false;
local userjid = event.stanza.attr.from;
-- Check the requester is an admin user
if not um_is_admin(userjid, module.host) then
module:log("info", "Ignored presence from non-admin: %s",
userjid);
return;
end
if (event.stanza.attr.type == "subscribe") then
module:log("info", "Subscription request from %s", userjid);
send_presence = true;
-- Send a subscription ack
local presence_stanza = st.presence({ from = host,
to = userjid, type = "subscribed",
id = event.stanza.attr.id });
module:send(presence_stanza);
elseif (event.stanza.attr.type == "probe") then
send_presence = true;
elseif (event.stanza.attr.type == "unsubscribe") then
-- For information only...
module:log("info", "Unsubscription request from %s", userjid);
end
if (send_presence == true) then
-- Send a presence stanza
module:send(st.presence({ from = host, to = userjid }));
end
return true;
end
module:hook("message/bare", on_message);
module:hook("presence/bare", on_presence);