137 lines
4.1 KiB
Erlang
137 lines
4.1 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : mod_private_odbc.erl
|
|
%%% Author : Alexey Shchepin <alexey@process-one.net>
|
|
%%% Purpose : Private storage support
|
|
%%% Created : 5 Oct 2006 by Alexey Shchepin <alexey@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2009 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., 59 Temple Place, Suite 330, Boston, MA
|
|
%%% 02111-1307 USA
|
|
%%%
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(mod_private_odbc).
|
|
-author('alexey@process-one.net').
|
|
|
|
-behaviour(gen_mod).
|
|
|
|
-export([start/2,
|
|
stop/1,
|
|
process_sm_iq/3,
|
|
remove_user/2]).
|
|
|
|
-include("ejabberd.hrl").
|
|
-include("jlib.hrl").
|
|
|
|
start(Host, Opts) ->
|
|
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
|
|
ejabberd_hooks:add(remove_user, Host,
|
|
?MODULE, remove_user, 50),
|
|
gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE,
|
|
?MODULE, process_sm_iq, IQDisc).
|
|
|
|
stop(Host) ->
|
|
ejabberd_hooks:delete(remove_user, Host,
|
|
?MODULE, remove_user, 50),
|
|
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE).
|
|
|
|
|
|
process_sm_iq(From, _To, #iq{type = Type, sub_el = SubEl} = IQ) ->
|
|
#jid{luser = LUser, lserver = LServer} = From,
|
|
case lists:member(LServer, ?MYHOSTS) of
|
|
true ->
|
|
{xmlelement, Name, Attrs, Els} = SubEl,
|
|
case Type of
|
|
set ->
|
|
F = fun() ->
|
|
lists:foreach(
|
|
fun(El) ->
|
|
set_data(LUser, LServer, El)
|
|
end, Els)
|
|
end,
|
|
odbc_queries:sql_transaction(LServer, F),
|
|
IQ#iq{type = result,
|
|
sub_el = [{xmlelement, Name, Attrs, []}]};
|
|
get ->
|
|
case catch get_data(LUser, LServer, Els) of
|
|
{'EXIT', _Reason} ->
|
|
IQ#iq{type = error,
|
|
sub_el = [SubEl,
|
|
?ERR_INTERNAL_SERVER_ERROR]};
|
|
Res ->
|
|
IQ#iq{type = result,
|
|
sub_el = [{xmlelement, Name, Attrs, Res}]}
|
|
end
|
|
end;
|
|
false ->
|
|
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}
|
|
end.
|
|
|
|
set_data(LUser, LServer, El) ->
|
|
case El of
|
|
{xmlelement, _Name, Attrs, _Els} ->
|
|
XMLNS = xml:get_attr_s("xmlns", Attrs),
|
|
case XMLNS of
|
|
"" ->
|
|
ignore;
|
|
_ ->
|
|
Username = ejabberd_odbc:escape(LUser),
|
|
LXMLNS = ejabberd_odbc:escape(XMLNS),
|
|
SData = ejabberd_odbc:escape(
|
|
lists:flatten(xml:element_to_string(El))),
|
|
odbc_queries:set_private_data(LServer, Username, LXMLNS, SData)
|
|
end;
|
|
_ ->
|
|
ignore
|
|
end.
|
|
|
|
get_data(LUser, LServer, Els) ->
|
|
get_data(LUser, LServer, Els, []).
|
|
|
|
get_data(_LUser, _LServer, [], Res) ->
|
|
lists:reverse(Res);
|
|
get_data(LUser, LServer, [El | Els], Res) ->
|
|
case El of
|
|
{xmlelement, _Name, Attrs, _} ->
|
|
XMLNS = xml:get_attr_s("xmlns", Attrs),
|
|
Username = ejabberd_odbc:escape(LUser),
|
|
LXMLNS = ejabberd_odbc:escape(XMLNS),
|
|
case catch odbc_queries:get_private_data(LServer, Username, LXMLNS) of
|
|
{selected, ["data"], [{SData}]} ->
|
|
case xml_stream:parse_element(SData) of
|
|
Data when element(1, Data) == xmlelement ->
|
|
get_data(LUser, LServer, Els,
|
|
[Data | Res])
|
|
end;
|
|
%% MREMOND: I wonder when the query could return a vcard ?
|
|
{selected, ["vcard"], []} ->
|
|
get_data(LUser, LServer, Els,
|
|
[El | Res]);
|
|
_ ->
|
|
get_data(LUser, LServer, Els,[El | Res])
|
|
end;
|
|
_ ->
|
|
get_data(LUser, LServer, Els, Res)
|
|
end.
|
|
|
|
|
|
remove_user(User, Server) ->
|
|
LUser = jlib:nodeprep(User),
|
|
LServer = jlib:nameprep(Server),
|
|
Username = ejabberd_odbc:escape(LUser),
|
|
odbc_queries:del_user_private_storage(LServer, Username).
|