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xmpp.chapril.org-ejabberd/src/mod_service_log.erl

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%%%----------------------------------------------------------------------
%%% File : mod_service_log.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Copy user messages to logger service
%%% Created : 24 Aug 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
2020-01-28 13:34:02 +01:00
%%% ejabberd, Copyright (C) 2002-2020 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_service_log).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2, stop/1, log_user_send/1, mod_options/1,
log_user_receive/1, mod_opt_type/1, depends/2, mod_doc/0]).
-include("logger.hrl").
-include("translate.hrl").
-include_lib("xmpp/include/xmpp.hrl").
start(Host, _Opts) ->
ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
log_user_send, 50),
ejabberd_hooks:add(user_receive_packet, Host, ?MODULE,
log_user_receive, 50),
ok.
stop(Host) ->
ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
log_user_send, 50),
ejabberd_hooks:delete(user_receive_packet, Host,
?MODULE, log_user_receive, 50),
ok.
depends(_Host, _Opts) ->
[].
-spec log_user_send({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
log_user_send({Packet, C2SState}) ->
From = xmpp:get_from(Packet),
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log_packet(Packet, From#jid.lserver),
{Packet, C2SState}.
-spec log_user_receive({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
log_user_receive({Packet, C2SState}) ->
To = xmpp:get_to(Packet),
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log_packet(Packet, To#jid.lserver),
{Packet, C2SState}.
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-spec log_packet(stanza(), binary()) -> ok.
log_packet(Packet, Host) ->
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Loggers = mod_service_log_opt:loggers(Host),
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ForwardedMsg = #message{from = jid:make(Host),
id = p1_rand:get_string(),
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sub_els = [#forwarded{
sub_els = [Packet]}]},
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lists:foreach(
fun(Logger) ->
ejabberd_router:route(xmpp:set_to(ForwardedMsg, jid:make(Logger)))
end, Loggers).
mod_opt_type(loggers) ->
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econf:list(econf:domain()).
mod_options(_) ->
[{loggers, []}].
mod_doc() ->
#{desc =>
?T("This module forwards copies of all stanzas "
"to remote XMPP servers or components. "
"Every stanza is encapsulated into <forwarded/> "
"element as described in "
"https://xmpp.org/extensions/xep-0297.html"
"[XEP-0297: Stanza Forwarding]."),
opts =>
[{loggers,
#{value => "[Domain, ...]",
desc =>
?T("A list of servers or connected components "
"to which stanzas will be forwarded.")}}],
example =>
["modules:",
" ...",
" mod_service_log:",
" loggers:",
" - xmpp-server.tld",
" - component.domain.tld",
" ..."]}.