mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-22 17:28:25 +01:00
806 lines
25 KiB
Erlang
806 lines
25 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_sm.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : Session manager
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%%% Created : 24 Nov 2002 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(ejabberd_sm).
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-behaviour(ejabberd_config).
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-author('alexey@process-one.net').
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-behaviour(gen_server).
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%% API
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-export([start/0,
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start_link/0,
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route/3,
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process_iq/3,
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open_session/5,
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open_session/6,
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close_session/4,
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check_in_subscription/6,
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bounce_offline_message/3,
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disconnect_removed_user/2,
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get_user_resources/2,
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get_user_present_resources/2,
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set_presence/7,
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unset_presence/6,
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close_session_unset_presence/5,
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dirty_get_sessions_list/0,
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dirty_get_my_sessions_list/0,
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get_vh_session_list/1,
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get_vh_session_number/1,
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get_vh_by_backend/1,
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register_iq_handler/4,
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register_iq_handler/5,
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unregister_iq_handler/2,
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force_update_presence/1,
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connected_users/0,
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connected_users_number/0,
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user_resources/2,
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kick_user/2,
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get_session_pid/3,
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get_user_info/3,
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get_user_ip/3,
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get_max_user_sessions/2,
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get_all_pids/0,
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is_existing_resource/3,
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get_commands_spec/0
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]).
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-export([init/1, handle_call/3, handle_cast/2,
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handle_info/2, terminate/2, code_change/3, opt_type/1]).
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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-include("ejabberd_commands.hrl").
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-include("mod_privacy.hrl").
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-include("ejabberd_sm.hrl").
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-callback init() -> ok | {error, any()}.
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-callback set_session(#session{}) -> ok.
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-callback delete_session(binary(), binary(), binary(), sid()) ->
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{ok, #session{}} | {error, notfound}.
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-callback get_sessions() -> [#session{}].
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-callback get_sessions(binary()) -> [#session{}].
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-callback get_sessions(binary(), binary()) -> [#session{}].
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-callback get_sessions(binary(), binary(), binary()) -> [#session{}].
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-record(state, {}).
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%% default value for the maximum number of user connections
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-define(MAX_USER_SESSIONS, infinity).
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%%====================================================================
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%% API
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%%====================================================================
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-export_type([sid/0]).
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start() ->
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ChildSpec = {?MODULE, {?MODULE, start_link, []},
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transient, 1000, worker, [?MODULE]},
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supervisor:start_child(ejabberd_sup, ChildSpec).
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start_link() ->
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gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
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-spec route(jid(), jid(), xmlel() | broadcast()) -> ok.
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route(From, To, Packet) ->
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case catch do_route(From, To, Packet) of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p~nwhen processing: ~p",
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[Reason, {From, To, Packet}]);
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_ -> ok
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end.
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-spec open_session(sid(), binary(), binary(), binary(), prio(), info()) -> ok.
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open_session(SID, User, Server, Resource, Priority, Info) ->
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set_session(SID, User, Server, Resource, Priority, Info),
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check_for_sessions_to_replace(User, Server, Resource),
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JID = jid:make(User, Server, Resource),
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ejabberd_hooks:run(sm_register_connection_hook,
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JID#jid.lserver, [SID, JID, Info]).
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-spec open_session(sid(), binary(), binary(), binary(), info()) -> ok.
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open_session(SID, User, Server, Resource, Info) ->
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open_session(SID, User, Server, Resource, undefined, Info).
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-spec close_session(sid(), binary(), binary(), binary()) -> ok.
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close_session(SID, User, Server, Resource) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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LResource = jid:resourceprep(Resource),
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Mod = get_sm_backend(LServer),
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Info = case Mod:delete_session(LUser, LServer, LResource, SID) of
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{ok, #session{info = I}} -> I;
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{error, notfound} -> []
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end,
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JID = jid:make(User, Server, Resource),
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ejabberd_hooks:run(sm_remove_connection_hook,
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JID#jid.lserver, [SID, JID, Info]).
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-spec check_in_subscription(any(), binary(), binary(),
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any(), any(), any()) -> any().
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check_in_subscription(Acc, User, Server, _JID, _Type, _Reason) ->
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case ejabberd_auth:is_user_exists(User, Server) of
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true -> Acc;
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false -> {stop, false}
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end.
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-spec bounce_offline_message(jid(), jid(), xmlel()) -> stop.
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bounce_offline_message(From, To, Packet) ->
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Err = jlib:make_error_reply(Packet,
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?ERR_SERVICE_UNAVAILABLE),
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ejabberd_router:route(To, From, Err),
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stop.
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-spec disconnect_removed_user(binary(), binary()) -> ok.
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disconnect_removed_user(User, Server) ->
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ejabberd_sm:route(jid:make(<<"">>, <<"">>, <<"">>),
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jid:make(User, Server, <<"">>),
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{broadcast, {exit, <<"User removed">>}}).
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get_user_resources(User, Server) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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Mod = get_sm_backend(LServer),
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Ss = Mod:get_sessions(LUser, LServer),
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[element(3, S#session.usr) || S <- clean_session_list(Ss)].
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-spec get_user_present_resources(binary(), binary()) -> [tuple()].
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get_user_present_resources(LUser, LServer) ->
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Mod = get_sm_backend(LServer),
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Ss = Mod:get_sessions(LUser, LServer),
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[{S#session.priority, element(3, S#session.usr)}
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|| S <- clean_session_list(Ss), is_integer(S#session.priority)].
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-spec get_user_ip(binary(), binary(), binary()) -> ip().
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get_user_ip(User, Server, Resource) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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LResource = jid:resourceprep(Resource),
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Mod = get_sm_backend(LServer),
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case Mod:get_sessions(LUser, LServer, LResource) of
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[] ->
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undefined;
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Ss ->
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Session = lists:max(Ss),
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proplists:get_value(ip, Session#session.info)
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end.
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-spec get_user_info(binary(), binary(), binary()) -> info() | offline.
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get_user_info(User, Server, Resource) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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LResource = jid:resourceprep(Resource),
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Mod = get_sm_backend(LServer),
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case Mod:get_sessions(LUser, LServer, LResource) of
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[] ->
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offline;
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Ss ->
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Session = lists:max(Ss),
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Node = node(element(2, Session#session.sid)),
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Conn = proplists:get_value(conn, Session#session.info),
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IP = proplists:get_value(ip, Session#session.info),
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[{node, Node}, {conn, Conn}, {ip, IP}]
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end.
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-spec set_presence(sid(), binary(), binary(), binary(),
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prio(), xmlel(), info()) -> ok.
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set_presence(SID, User, Server, Resource, Priority,
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Presence, Info) ->
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set_session(SID, User, Server, Resource, Priority,
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Info),
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ejabberd_hooks:run(set_presence_hook,
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jid:nameprep(Server),
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[User, Server, Resource, Presence]).
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-spec unset_presence(sid(), binary(), binary(),
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binary(), binary(), info()) -> ok.
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unset_presence(SID, User, Server, Resource, Status,
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Info) ->
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set_session(SID, User, Server, Resource, undefined,
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Info),
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ejabberd_hooks:run(unset_presence_hook,
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jid:nameprep(Server),
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[User, Server, Resource, Status]).
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-spec close_session_unset_presence(sid(), binary(), binary(),
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binary(), binary()) -> ok.
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close_session_unset_presence(SID, User, Server,
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Resource, Status) ->
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close_session(SID, User, Server, Resource),
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ejabberd_hooks:run(unset_presence_hook,
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jid:nameprep(Server),
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[User, Server, Resource, Status]).
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-spec get_session_pid(binary(), binary(), binary()) -> none | pid().
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get_session_pid(User, Server, Resource) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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LResource = jid:resourceprep(Resource),
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Mod = get_sm_backend(LServer),
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case Mod:get_sessions(LUser, LServer, LResource) of
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[#session{sid = {_, Pid}}] -> Pid;
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_ -> none
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end.
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-spec dirty_get_sessions_list() -> [ljid()].
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dirty_get_sessions_list() ->
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lists:flatmap(
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fun(Mod) ->
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[S#session.usr || S <- Mod:get_sessions()]
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end, get_sm_backends()).
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-spec dirty_get_my_sessions_list() -> [#session{}].
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dirty_get_my_sessions_list() ->
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lists:flatmap(
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fun(Mod) ->
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[S || S <- Mod:get_sessions(),
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node(element(2, S#session.sid)) == node()]
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end, get_sm_backends()).
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-spec get_vh_session_list(binary()) -> [ljid()].
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get_vh_session_list(Server) ->
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LServer = jid:nameprep(Server),
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Mod = get_sm_backend(LServer),
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[S#session.usr || S <- Mod:get_sessions(LServer)].
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-spec get_all_pids() -> [pid()].
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get_all_pids() ->
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lists:flatmap(
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fun(Mod) ->
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[element(2, S#session.sid) || S <- Mod:get_sessions()]
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end, get_sm_backends()).
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-spec get_vh_session_number(binary()) -> non_neg_integer().
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get_vh_session_number(Server) ->
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LServer = jid:nameprep(Server),
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Mod = get_sm_backend(LServer),
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length(Mod:get_sessions(LServer)).
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register_iq_handler(Host, XMLNS, Module, Fun) ->
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ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun}.
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-spec register_iq_handler(binary(), binary(), atom(), atom(), list()) -> any().
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register_iq_handler(Host, XMLNS, Module, Fun, Opts) ->
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ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun, Opts}.
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-spec unregister_iq_handler(binary(), binary()) -> any().
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unregister_iq_handler(Host, XMLNS) ->
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ejabberd_sm ! {unregister_iq_handler, Host, XMLNS}.
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%%====================================================================
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%% gen_server callbacks
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%%====================================================================
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init([]) ->
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lists:foreach(fun(Mod) -> Mod:init() end, get_sm_backends()),
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ets:new(sm_iqtable, [named_table]),
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lists:foreach(
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fun(Host) ->
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ejabberd_hooks:add(roster_in_subscription, Host,
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ejabberd_sm, check_in_subscription, 20),
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ejabberd_hooks:add(offline_message_hook, Host,
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ejabberd_sm, bounce_offline_message, 100),
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ejabberd_hooks:add(remove_user, Host,
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ejabberd_sm, disconnect_removed_user, 100)
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end, ?MYHOSTS),
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ejabberd_commands:register_commands(get_commands_spec()),
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{ok, #state{}}.
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handle_call(_Request, _From, State) ->
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Reply = ok, {reply, Reply, State}.
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handle_cast(_Msg, State) -> {noreply, State}.
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handle_info({route, From, To, Packet}, State) ->
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case catch do_route(From, To, Packet) of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p~nwhen processing: ~p",
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[Reason, {From, To, Packet}]);
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_ ->
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ok
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end,
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{noreply, State};
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handle_info({register_iq_handler, Host, XMLNS, Module, Function}, State) ->
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ets:insert(sm_iqtable, {{XMLNS, Host}, Module, Function}),
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{noreply, State};
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handle_info({register_iq_handler, Host, XMLNS, Module,
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Function, Opts},
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State) ->
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ets:insert(sm_iqtable,
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{{XMLNS, Host}, Module, Function, Opts}),
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{noreply, State};
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handle_info({unregister_iq_handler, Host, XMLNS},
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State) ->
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case ets:lookup(sm_iqtable, {XMLNS, Host}) of
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[{_, Module, Function, Opts}] ->
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gen_iq_handler:stop_iq_handler(Module, Function, Opts);
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_ -> ok
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end,
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ets:delete(sm_iqtable, {XMLNS, Host}),
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{noreply, State};
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handle_info(_Info, State) -> {noreply, State}.
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terminate(_Reason, _State) ->
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ejabberd_commands:unregister_commands(get_commands_spec()),
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ok.
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code_change(_OldVsn, State, _Extra) -> {ok, State}.
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%%--------------------------------------------------------------------
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%%% Internal functions
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%%--------------------------------------------------------------------
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-spec set_session(sid(), binary(), binary(), binary(),
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prio(), info()) -> ok.
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set_session(SID, User, Server, Resource, Priority, Info) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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LResource = jid:resourceprep(Resource),
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US = {LUser, LServer},
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USR = {LUser, LServer, LResource},
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Mod = get_sm_backend(LServer),
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Mod:set_session(#session{sid = SID, usr = USR, us = US,
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priority = Priority, info = Info}).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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do_route(From, To, {broadcast, _} = Packet) ->
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case To#jid.lresource of
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<<"">> ->
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lists:foreach(fun(R) ->
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do_route(From,
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jid:replace_resource(To, R),
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Packet)
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end,
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get_user_resources(To#jid.user, To#jid.server));
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_ ->
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{U, S, R} = jid:tolower(To),
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Mod = get_sm_backend(S),
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case Mod:get_sessions(U, S, R) of
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[] ->
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?DEBUG("packet dropped~n", []);
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Ss ->
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Session = lists:max(Ss),
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Pid = element(2, Session#session.sid),
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?DEBUG("sending to process ~p~n", [Pid]),
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Pid ! {route, From, To, Packet}
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end
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end;
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do_route(From, To, #xmlel{} = Packet) ->
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?DEBUG("session manager~n\tfrom ~p~n\tto ~p~n\tpacket "
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"~P~n",
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[From, To, Packet, 8]),
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#jid{user = User, server = Server,
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luser = LUser, lserver = LServer, lresource = LResource} = To,
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#xmlel{name = Name, attrs = Attrs} = Packet,
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case LResource of
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<<"">> ->
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case Name of
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<<"presence">> ->
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{Pass, _Subsc} = case fxml:get_attr_s(<<"type">>, Attrs)
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of
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<<"subscribe">> ->
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Reason = fxml:get_path_s(Packet,
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[{elem,
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<<"status">>},
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cdata]),
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{is_privacy_allow(From, To, Packet)
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andalso
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ejabberd_hooks:run_fold(roster_in_subscription,
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LServer,
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false,
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[User, Server,
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From,
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subscribe,
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Reason]),
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true};
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<<"subscribed">> ->
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{is_privacy_allow(From, To, Packet)
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andalso
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ejabberd_hooks:run_fold(roster_in_subscription,
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LServer,
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false,
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[User, Server,
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From,
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subscribed,
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<<"">>]),
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true};
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<<"unsubscribe">> ->
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{is_privacy_allow(From, To, Packet)
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andalso
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ejabberd_hooks:run_fold(roster_in_subscription,
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LServer,
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false,
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[User, Server,
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From,
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unsubscribe,
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<<"">>]),
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true};
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<<"unsubscribed">> ->
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{is_privacy_allow(From, To, Packet)
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andalso
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ejabberd_hooks:run_fold(roster_in_subscription,
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LServer,
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false,
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[User, Server,
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From,
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unsubscribed,
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<<"">>]),
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true};
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_ -> {true, false}
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end,
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if Pass ->
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PResources = get_user_present_resources(LUser, LServer),
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lists:foreach(fun ({_, R}) ->
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do_route(From,
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jid:replace_resource(To,
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R),
|
|
Packet)
|
|
end,
|
|
PResources);
|
|
true -> ok
|
|
end;
|
|
<<"message">> ->
|
|
case fxml:get_attr_s(<<"type">>, Attrs) of
|
|
<<"chat">> -> route_message(From, To, Packet, chat);
|
|
<<"headline">> -> route_message(From, To, Packet, headline);
|
|
<<"error">> -> ok;
|
|
<<"groupchat">> ->
|
|
Err = jlib:make_error_reply(Packet,
|
|
?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err);
|
|
_ ->
|
|
route_message(From, To, Packet, normal)
|
|
end;
|
|
<<"iq">> -> process_iq(From, To, Packet);
|
|
_ -> ok
|
|
end;
|
|
_ ->
|
|
Mod = get_sm_backend(LServer),
|
|
case Mod:get_sessions(LUser, LServer, LResource) of
|
|
[] ->
|
|
case Name of
|
|
<<"message">> ->
|
|
case fxml:get_attr_s(<<"type">>, Attrs) of
|
|
<<"chat">> -> route_message(From, To, Packet, chat);
|
|
<<"normal">> -> route_message(From, To, Packet, normal);
|
|
<<"">> -> route_message(From, To, Packet, normal);
|
|
<<"error">> -> ok;
|
|
_ ->
|
|
Err = jlib:make_error_reply(Packet,
|
|
?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end;
|
|
<<"iq">> ->
|
|
case fxml:get_attr_s(<<"type">>, Attrs) of
|
|
<<"error">> -> ok;
|
|
<<"result">> -> ok;
|
|
_ ->
|
|
Err = jlib:make_error_reply(Packet,
|
|
?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end;
|
|
_ -> ?DEBUG("packet dropped~n", [])
|
|
end;
|
|
Ss ->
|
|
Session = lists:max(Ss),
|
|
Pid = element(2, Session#session.sid),
|
|
?DEBUG("sending to process ~p~n", [Pid]),
|
|
Pid ! {route, From, To, Packet}
|
|
end
|
|
end.
|
|
|
|
%% The default list applies to the user as a whole,
|
|
%% and is processed if there is no active list set
|
|
%% for the target session/resource to which a stanza is addressed,
|
|
%% or if there are no current sessions for the user.
|
|
is_privacy_allow(From, To, Packet) ->
|
|
User = To#jid.user,
|
|
Server = To#jid.server,
|
|
PrivacyList =
|
|
ejabberd_hooks:run_fold(privacy_get_user_list, Server,
|
|
#userlist{}, [User, Server]),
|
|
is_privacy_allow(From, To, Packet, PrivacyList).
|
|
|
|
%% Check if privacy rules allow this delivery
|
|
%% Function copied from ejabberd_c2s.erl
|
|
is_privacy_allow(From, To, Packet, PrivacyList) ->
|
|
User = To#jid.user,
|
|
Server = To#jid.server,
|
|
allow ==
|
|
ejabberd_hooks:run_fold(privacy_check_packet, Server,
|
|
allow,
|
|
[User, Server, PrivacyList, {From, To, Packet},
|
|
in]).
|
|
|
|
route_message(From, To, Packet, Type) ->
|
|
LUser = To#jid.luser,
|
|
LServer = To#jid.lserver,
|
|
PrioRes = get_user_present_resources(LUser, LServer),
|
|
case catch lists:max(PrioRes) of
|
|
{Priority, _R}
|
|
when is_integer(Priority), Priority >= 0 ->
|
|
lists:foreach(fun ({P, R}) when P == Priority;
|
|
(P >= 0) and (Type == headline) ->
|
|
LResource = jid:resourceprep(R),
|
|
Mod = get_sm_backend(LServer),
|
|
case Mod:get_sessions(LUser, LServer,
|
|
LResource) of
|
|
[] ->
|
|
ok; % Race condition
|
|
Ss ->
|
|
Session = lists:max(Ss),
|
|
Pid = element(2, Session#session.sid),
|
|
?DEBUG("sending to process ~p~n", [Pid]),
|
|
Pid ! {route, From, To, Packet}
|
|
end;
|
|
%% Ignore other priority:
|
|
({_Prio, _Res}) -> ok
|
|
end,
|
|
PrioRes);
|
|
_ ->
|
|
case Type of
|
|
headline -> ok;
|
|
_ ->
|
|
case ejabberd_auth:is_user_exists(LUser, LServer) of
|
|
true ->
|
|
case is_privacy_allow(From, To, Packet) of
|
|
true ->
|
|
ejabberd_hooks:run(offline_message_hook, LServer,
|
|
[From, To, Packet]);
|
|
false -> ok
|
|
end;
|
|
_ ->
|
|
Err = jlib:make_error_reply(Packet,
|
|
?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end
|
|
end
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
clean_session_list(Ss) ->
|
|
clean_session_list(lists:keysort(#session.usr, Ss), []).
|
|
|
|
clean_session_list([], Res) -> Res;
|
|
clean_session_list([S], Res) -> [S | Res];
|
|
clean_session_list([S1, S2 | Rest], Res) ->
|
|
if S1#session.usr == S2#session.usr ->
|
|
if S1#session.sid > S2#session.sid ->
|
|
clean_session_list([S1 | Rest], Res);
|
|
true -> clean_session_list([S2 | Rest], Res)
|
|
end;
|
|
true -> clean_session_list([S2 | Rest], [S1 | Res])
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
%% On new session, check if some existing connections need to be replace
|
|
check_for_sessions_to_replace(User, Server, Resource) ->
|
|
LUser = jid:nodeprep(User),
|
|
LServer = jid:nameprep(Server),
|
|
LResource = jid:resourceprep(Resource),
|
|
check_existing_resources(LUser, LServer, LResource),
|
|
check_max_sessions(LUser, LServer).
|
|
|
|
check_existing_resources(LUser, LServer, LResource) ->
|
|
SIDs = get_resource_sessions(LUser, LServer, LResource),
|
|
if SIDs == [] -> ok;
|
|
true ->
|
|
MaxSID = lists:max(SIDs),
|
|
lists:foreach(fun ({_, Pid} = S) when S /= MaxSID ->
|
|
Pid ! replaced;
|
|
(_) -> ok
|
|
end,
|
|
SIDs)
|
|
end.
|
|
|
|
-spec is_existing_resource(binary(), binary(), binary()) -> boolean().
|
|
|
|
is_existing_resource(LUser, LServer, LResource) ->
|
|
[] /= get_resource_sessions(LUser, LServer, LResource).
|
|
|
|
get_resource_sessions(User, Server, Resource) ->
|
|
LUser = jid:nodeprep(User),
|
|
LServer = jid:nameprep(Server),
|
|
LResource = jid:resourceprep(Resource),
|
|
Mod = get_sm_backend(LServer),
|
|
[S#session.sid || S <- Mod:get_sessions(LUser, LServer, LResource)].
|
|
|
|
check_max_sessions(LUser, LServer) ->
|
|
Mod = get_sm_backend(LServer),
|
|
SIDs = [S#session.sid || S <- Mod:get_sessions(LUser, LServer)],
|
|
MaxSessions = get_max_user_sessions(LUser, LServer),
|
|
if length(SIDs) =< MaxSessions -> ok;
|
|
true -> {_, Pid} = lists:min(SIDs), Pid ! replaced
|
|
end.
|
|
|
|
%% Get the user_max_session setting
|
|
%% This option defines the max number of time a given users are allowed to
|
|
%% log in
|
|
%% Defaults to infinity
|
|
get_max_user_sessions(LUser, Host) ->
|
|
case acl:match_rule(Host, max_user_sessions,
|
|
jid:make(LUser, Host, <<"">>))
|
|
of
|
|
Max when is_integer(Max) -> Max;
|
|
infinity -> infinity;
|
|
_ -> ?MAX_USER_SESSIONS
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
process_iq(From, To, Packet) ->
|
|
IQ = jlib:iq_query_info(Packet),
|
|
case IQ of
|
|
#iq{xmlns = XMLNS} ->
|
|
Host = To#jid.lserver,
|
|
case ets:lookup(sm_iqtable, {XMLNS, Host}) of
|
|
[{_, Module, Function}] ->
|
|
ResIQ = Module:Function(From, To, IQ),
|
|
if ResIQ /= ignore ->
|
|
ejabberd_router:route(To, From, jlib:iq_to_xml(ResIQ));
|
|
true -> ok
|
|
end;
|
|
[{_, Module, Function, Opts}] ->
|
|
gen_iq_handler:handle(Host, Module, Function, Opts,
|
|
From, To, IQ);
|
|
[] ->
|
|
Err = jlib:make_error_reply(Packet,
|
|
?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end;
|
|
reply -> ok;
|
|
_ ->
|
|
Err = jlib:make_error_reply(Packet, ?ERR_BAD_REQUEST),
|
|
ejabberd_router:route(To, From, Err),
|
|
ok
|
|
end.
|
|
|
|
-spec force_update_presence({binary(), binary()}) -> any().
|
|
|
|
force_update_presence({LUser, LServer}) ->
|
|
Mod = get_sm_backend(LServer),
|
|
Ss = Mod:get_sessions(LUser, LServer),
|
|
lists:foreach(fun (#session{sid = {_, Pid}}) ->
|
|
Pid ! {force_update_presence, LUser, LServer}
|
|
end,
|
|
Ss).
|
|
|
|
-spec get_sm_backend(binary()) -> module().
|
|
|
|
get_sm_backend(Host) ->
|
|
DBType = ejabberd_config:get_option({sm_db_type, Host},
|
|
fun(mnesia) -> mnesia;
|
|
(internal) -> mnesia;
|
|
(odbc) -> odbc;
|
|
(redis) -> redis
|
|
end, mnesia),
|
|
list_to_atom("ejabberd_sm_" ++ atom_to_list(DBType)).
|
|
|
|
-spec get_sm_backends() -> [module()].
|
|
|
|
get_sm_backends() ->
|
|
lists:usort([get_sm_backend(Host) || Host <- ?MYHOSTS]).
|
|
|
|
-spec get_vh_by_backend(module()) -> [binary()].
|
|
|
|
get_vh_by_backend(Mod) ->
|
|
lists:filter(
|
|
fun(Host) ->
|
|
get_sm_backend(Host) == Mod
|
|
end, ?MYHOSTS).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% ejabberd commands
|
|
|
|
get_commands_spec() ->
|
|
[#ejabberd_commands{name = connected_users,
|
|
tags = [session],
|
|
desc = "List all established sessions",
|
|
policy = admin,
|
|
module = ?MODULE, function = connected_users, args = [],
|
|
result = {connected_users, {list, {sessions, string}}}},
|
|
#ejabberd_commands{name = connected_users_number,
|
|
tags = [session, stats],
|
|
desc = "Get the number of established sessions",
|
|
policy = admin,
|
|
module = ?MODULE, function = connected_users_number,
|
|
args = [], result = {num_sessions, integer}},
|
|
#ejabberd_commands{name = user_resources,
|
|
tags = [session],
|
|
desc = "List user's connected resources",
|
|
policy = user,
|
|
module = ?MODULE, function = user_resources,
|
|
args = [],
|
|
result = {resources, {list, {resource, string}}}},
|
|
#ejabberd_commands{name = kick_user,
|
|
tags = [session],
|
|
desc = "Disconnect user's active sessions",
|
|
module = ?MODULE, function = kick_user,
|
|
args = [{user, binary}, {host, binary}],
|
|
result = {num_resources, integer}}].
|
|
|
|
-spec connected_users() -> [binary()].
|
|
|
|
connected_users() ->
|
|
USRs = dirty_get_sessions_list(),
|
|
SUSRs = lists:sort(USRs),
|
|
lists:map(fun ({U, S, R}) -> <<U/binary, $@, S/binary, $/, R/binary>> end,
|
|
SUSRs).
|
|
|
|
connected_users_number() ->
|
|
length(dirty_get_sessions_list()).
|
|
|
|
user_resources(User, Server) ->
|
|
Resources = get_user_resources(User, Server),
|
|
lists:sort(Resources).
|
|
|
|
kick_user(User, Server) ->
|
|
Resources = get_user_resources(User, Server),
|
|
lists:foreach(
|
|
fun(Resource) ->
|
|
PID = get_session_pid(User, Server, Resource),
|
|
PID ! kick
|
|
end, Resources),
|
|
length(Resources).
|
|
|
|
opt_type(sm_db_type) ->
|
|
fun (mnesia) -> mnesia;
|
|
(internal) -> mnesia;
|
|
(odbc) -> odbc;
|
|
(redis) -> redis
|
|
end;
|
|
opt_type(_) -> [sm_db_type].
|