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|
%%%-------------------------------------------------------------------
%%% File : mod_muc_sql.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 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_sql).
-compile([{parse_transform, ejabberd_sql_pt}]).
-behaviour(mod_muc).
-behaviour(mod_muc_room).
%% API
-export([init/2, store_room/4, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4,
import/3, export/1]).
-export([register_online_room/3, unregister_online_room/3, find_online_room/2,
get_online_rooms/2, count_online_rooms/1, rsm_supported/0,
register_online_user/3, unregister_online_user/3,
count_online_rooms_by_user/2, get_online_rooms_by_user/2]).
-export([set_affiliation/6, set_affiliations/4, get_affiliation/5,
get_affiliations/3, search_affiliation/4]).
-include("jid.hrl").
-include("mod_muc.hrl").
-include("logger.hrl").
-include("ejabberd_sql_pt.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
store_room(LServer, Host, Name, Opts) ->
SOpts = jlib:term_to_expr(Opts),
F = fun () ->
?SQL_UPSERT_T(
"muc_room",
["!name=%(Name)s",
"!host=%(Host)s",
"opts=%(SOpts)s"])
end,
ejabberd_sql:sql_transaction(LServer, F).
restore_room(LServer, Host, Name) ->
case catch ejabberd_sql:sql_query(
LServer,
?SQL("select @(opts)s from muc_room where name=%(Name)s"
" and host=%(Host)s")) of
{selected, [{Opts}]} ->
mod_muc:opts_to_binary(ejabberd_sql:decode_term(Opts));
_ ->
error
end.
forget_room(LServer, Host, Name) ->
F = fun () ->
ejabberd_sql:sql_query_t(
?SQL("delete from muc_room where name=%(Name)s"
" and host=%(Host)s"))
end,
ejabberd_sql:sql_transaction(LServer, F).
can_use_nick(LServer, Host, JID, Nick) ->
SJID = jid:to_string(jid:tolower(jid:remove_resource(JID))),
case catch ejabberd_sql:sql_query(
LServer,
?SQL("select @(jid)s from muc_registered "
"where nick=%(Nick)s"
" and host=%(Host)s")) of
{selected, [{SJID1}]} -> SJID == SJID1;
_ -> true
end.
get_rooms(LServer, Host) ->
case catch ejabberd_sql:sql_query(
LServer,
?SQL("select @(name)s, @(opts)s from muc_room"
" where host=%(Host)s")) of
{selected, RoomOpts} ->
lists:map(
fun({Room, Opts}) ->
#muc_room{name_host = {Room, Host},
opts = mod_muc:opts_to_binary(
ejabberd_sql:decode_term(Opts))}
end, RoomOpts);
Err ->
?ERROR_MSG("failed to get rooms: ~p", [Err]),
[]
end.
get_nick(LServer, Host, From) ->
SJID = jid:to_string(jid:tolower(jid:remove_resource(From))),
case catch ejabberd_sql:sql_query(
LServer,
?SQL("select @(nick)s from muc_registered where"
" jid=%(SJID)s and host=%(Host)s")) of
{selected, [{Nick}]} -> Nick;
_ -> error
end.
set_nick(LServer, Host, From, Nick) ->
JID = jid:to_string(jid:tolower(jid:remove_resource(From))),
F = fun () ->
case Nick of
<<"">> ->
ejabberd_sql:sql_query_t(
?SQL("delete from muc_registered where"
" jid=%(JID)s and host=%(Host)s")),
ok;
_ ->
Allow = case ejabberd_sql:sql_query_t(
?SQL("select @(jid)s from muc_registered"
" where nick=%(Nick)s"
" and host=%(Host)s")) of
{selected, [{J}]} -> J == JID;
_ -> true
end,
if Allow ->
?SQL_UPSERT_T(
"muc_registered",
["!jid=%(JID)s",
"!host=%(Host)s",
"nick=%(Nick)s"]),
ok;
true ->
false
end
end
end,
ejabberd_sql:sql_transaction(LServer, F).
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).
export(_Server) ->
[{muc_room,
fun(Host, #muc_room{name_host = {Name, RoomHost}, opts = Opts}) ->
case str:suffix(Host, RoomHost) of
true ->
SOpts = jlib:term_to_expr(Opts),
[?SQL("delete from muc_room where name=%(Name)s"
" and host=%(RoomHost)s;"),
?SQL("insert into muc_room(name, host, opts) "
"values ("
"%(Name)s, %(RoomHost)s, %(SOpts)s);")];
false ->
[]
end
end},
{muc_registered,
fun(Host, #muc_registered{us_host = {{U, S}, RoomHost},
nick = Nick}) ->
case str:suffix(Host, RoomHost) of
true ->
SJID = jid:to_string(jid:make(U, S)),
[?SQL("delete from muc_registered where"
" jid=%(SJID)s and host=%(RoomHost)s;"),
?SQL("insert into muc_registered(jid, host, "
"nick) values ("
"%(SJID)s, %(RoomHost)s, %(Nick)s);")];
false ->
[]
end
end}].
import(_, _, _) ->
ok.
%%%===================================================================
%%% Internal functions
%%%===================================================================
|
