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xmpp.chapril.org-ejabberd/src/mod_muc_riak.erl
2018-01-05 23:18:58 +03:00

198 lines
6.5 KiB
Erlang

%%%-------------------------------------------------------------------
%%% File : mod_muc_riak.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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_muc_riak).
-behaviour(mod_muc).
-behaviour(mod_muc_room).
%% API
-export([init/2, import/3, store_room/5, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4]).
-export([register_online_room/4, unregister_online_room/4, find_online_room/3,
get_online_rooms/3, count_online_rooms/2, rsm_supported/0,
register_online_user/4, unregister_online_user/4,
count_online_rooms_by_user/3, get_online_rooms_by_user/3,
get_subscribed_rooms/3]).
-export([set_affiliation/6, set_affiliations/4, get_affiliation/5,
get_affiliations/3, search_affiliation/4]).
-include("jid.hrl").
-include("mod_muc.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
store_room(_LServer, Host, Name, Opts, _) ->
{atomic, ejabberd_riak:put(#muc_room{name_host = {Name, Host},
opts = Opts},
muc_room_schema())}.
restore_room(_LServer, Host, Name) ->
case ejabberd_riak:get(muc_room, muc_room_schema(), {Name, Host}) of
{ok, #muc_room{opts = Opts}} -> Opts;
_ -> error
end.
forget_room(_LServer, Host, Name) ->
{atomic, ejabberd_riak:delete(muc_room, {Name, Host})}.
can_use_nick(_LServer, Host, JID, Nick) ->
{LUser, LServer, _} = jid:tolower(JID),
LUS = {LUser, LServer},
case ejabberd_riak:get_by_index(muc_registered,
muc_registered_schema(),
<<"nick_host">>, {Nick, Host}) of
{ok, []} ->
true;
{ok, [#muc_registered{us_host = {U, _Host}}]} ->
U == LUS;
{error, _} ->
true
end.
get_rooms(_LServer, Host) ->
case ejabberd_riak:get(muc_room, muc_room_schema()) of
{ok, Rs} ->
lists:filter(
fun(#muc_room{name_host = {_, H}}) ->
Host == H
end, Rs);
_Err ->
[]
end.
get_nick(LServer, Host, From) ->
{LUser, LServer, _} = jid:tolower(From),
US = {LUser, LServer},
case ejabberd_riak:get(muc_registered,
muc_registered_schema(),
{US, Host}) of
{ok, #muc_registered{nick = Nick}} -> Nick;
{error, _} -> error
end.
set_nick(LServer, Host, From, Nick) ->
{LUser, LServer, _} = jid:tolower(From),
LUS = {LUser, LServer},
{atomic,
case Nick of
<<"">> ->
ejabberd_riak:delete(muc_registered, {LUS, Host});
_ ->
Allow = case ejabberd_riak:get_by_index(
muc_registered,
muc_registered_schema(),
<<"nick_host">>, {Nick, Host}) of
{ok, []} ->
true;
{ok, [#muc_registered{us_host = {U, _Host}}]} ->
U == LUS;
{error, _} ->
false
end,
if Allow ->
ejabberd_riak:put(#muc_registered{us_host = {LUS, Host},
nick = Nick},
muc_registered_schema(),
[{'2i', [{<<"nick_host">>,
{Nick, Host}}]}]);
true ->
false
end
end}.
set_affiliation(_ServerHost, _Room, _Host, _JID, _Affiliation, _Reason) ->
{error, not_implemented}.
set_affiliations(_ServerHost, _Room, _Host, _Affiliations) ->
{error, not_implemented}.
get_affiliation(_ServerHost, _Room, _Host, _LUser, _LServer) ->
{error, not_implemented}.
get_affiliations(_ServerHost, _Room, _Host) ->
{error, not_implemented}.
search_affiliation(_ServerHost, _Room, _Host, _Affiliation) ->
{error, not_implemented}.
register_online_room(_, _, _, _) ->
erlang:error(not_implemented).
unregister_online_room(_, _, _, _) ->
erlang:error(not_implemented).
find_online_room(_, _, _) ->
erlang:error(not_implemented).
count_online_rooms(_, _) ->
erlang:error(not_implemented).
get_online_rooms(_, _, _) ->
erlang:error(not_implemented).
rsm_supported() ->
false.
register_online_user(_, _, _, _) ->
erlang:error(not_implemented).
unregister_online_user(_, _, _, _) ->
erlang:error(not_implemented).
count_online_rooms_by_user(_, _, _) ->
erlang:error(not_implemented).
get_online_rooms_by_user(_, _, _) ->
erlang:error(not_implemented).
import(_LServer, <<"muc_room">>,
[Name, RoomHost, SOpts, _TimeStamp]) ->
Opts = mod_muc:opts_to_binary(ejabberd_sql:decode_term(SOpts)),
ejabberd_riak:put(
#muc_room{name_host = {Name, RoomHost}, opts = Opts},
muc_room_schema());
import(_LServer, <<"muc_registered">>,
[J, RoomHost, Nick, _TimeStamp]) ->
#jid{user = U, server = S} = jid:decode(J),
R = #muc_registered{us_host = {{U, S}, RoomHost}, nick = Nick},
ejabberd_riak:put(R, muc_registered_schema(),
[{'2i', [{<<"nick_host">>, {Nick, RoomHost}}]}]).
get_subscribed_rooms(_, _, _) ->
not_implemented.
%%%===================================================================
%%% Internal functions
%%%===================================================================
muc_room_schema() ->
{record_info(fields, muc_room), #muc_room{}}.
muc_registered_schema() ->
{record_info(fields, muc_registered), #muc_registered{}}.