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mirror of https://github.com/processone/ejabberd.git synced 2024-11-10 15:47:30 +01:00
xmpp.chapril.org-ejabberd/src/mod_vcard_xupdate.erl
Evgeniy Khramtsov d5d906184f Merge branch 'new_stream'
Conflicts:
	src/cyrsasl.erl
	src/ejabberd_c2s.erl
	src/ejabberd_cluster.erl
	src/ejabberd_frontend_socket.erl
	src/ejabberd_node_groups.erl
	src/ejabberd_router.erl
	src/mod_bosh.erl
	src/mod_ip_blacklist.erl
	src/mod_muc_mnesia.erl
	src/mod_offline.erl
	src/mod_proxy65_sm.erl
2017-01-20 19:35:46 +03:00

132 lines
4.4 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : mod_vcard_xupdate.erl
%%% Author : Igor Goryachev <igor@goryachev.org>
%%% Purpose : Add avatar hash in presence on behalf of client (XEP-0153)
%%% Created : 9 Mar 2007 by Igor Goryachev <igor@goryachev.org>
%%%
%%%
%%% 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_vcard_xupdate).
-behaviour(gen_mod).
%% gen_mod callbacks
-export([start/2, stop/1]).
-export([update_presence/1, vcard_set/3, export/1,
import_info/0, import/5, import_start/2,
mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("xmpp.hrl").
-callback init(binary(), gen_mod:opts()) -> any().
-callback import(binary(), binary(), [binary()]) -> ok.
-callback add_xupdate(binary(), binary(), binary()) -> {atomic, any()}.
-callback get_xupdate(binary(), binary()) -> binary() | undefined.
-callback remove_xupdate(binary(), binary()) -> {atomic, any()}.
%%====================================================================
%% gen_mod callbacks
%%====================================================================
start(Host, Opts) ->
Mod = gen_mod:db_mod(Host, Opts, ?MODULE),
Mod:init(Host, Opts),
ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
update_presence, 100),
ejabberd_hooks:add(vcard_set, Host, ?MODULE, vcard_set,
100),
ok.
stop(Host) ->
ejabberd_hooks:delete(c2s_self_presence, Host,
?MODULE, update_presence, 100),
ejabberd_hooks:delete(vcard_set, Host, ?MODULE,
vcard_set, 100),
ok.
depends(_Host, _Opts) ->
[].
%%====================================================================
%% Hooks
%%====================================================================
-spec update_presence({presence(), ejabberd_c2s:state()})
-> {presence(), ejabberd_c2s:state()}.
update_presence({#presence{type = available} = Pres,
#{jid := #jid{luser = LUser, lserver = LServer}} = State}) ->
Hash = get_xupdate(LUser, LServer),
Pres1 = xmpp:set_subtag(Pres, #vcard_xupdate{hash = Hash}),
{Pres1, State};
update_presence(Acc) ->
Acc.
-spec vcard_set(binary(), binary(), xmlel()) -> ok.
vcard_set(LUser, LServer, VCARD) ->
US = {LUser, LServer},
case fxml:get_path_s(VCARD,
[{elem, <<"PHOTO">>}, {elem, <<"BINVAL">>}, cdata])
of
<<>> -> remove_xupdate(LUser, LServer);
BinVal ->
add_xupdate(LUser, LServer,
p1_sha:sha(jlib:decode_base64(BinVal)))
end,
ejabberd_sm:force_update_presence(US).
%%====================================================================
%% Storage
%%====================================================================
add_xupdate(LUser, LServer, Hash) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:add_xupdate(LUser, LServer, Hash).
get_xupdate(LUser, LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:get_xupdate(LUser, LServer).
remove_xupdate(LUser, LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:remove_xupdate(LUser, LServer).
import_info() ->
[{<<"vcard_xupdate">>, 3}].
import_start(LServer, DBType) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:init(LServer, []).
import(LServer, {sql, _}, DBType, Tab, [LUser, Hash, TimeStamp]) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:import(LServer, Tab, [LUser, Hash, TimeStamp]).
export(LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:export(LServer).
%%====================================================================
%% Options
%%====================================================================
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [db_type].