mirror of
https://github.com/processone/ejabberd.git
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189 lines
6.4 KiB
Erlang
189 lines
6.4 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% Created : 1 Dec 2018 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 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(mod_mix_mnesia).
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-behaviour(mod_mix).
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%% API
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-export([init/2]).
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-export([set_channel/6, get_channels/2, get_channel/3, del_channel/3]).
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-export([set_participant/6, get_participant/4, get_participants/3, del_participant/4]).
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-export([subscribe/5, unsubscribe/4, unsubscribe/5, get_subscribed/4]).
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-include("logger.hrl").
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-include("ejabberd_sql_pt.hrl").
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-record(mix_channel,
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{chan_serv :: {binary(), binary()},
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service :: binary(),
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creator :: jid:jid(),
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hidden :: boolean(),
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hmac_key :: binary(),
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created_at :: erlang:timestamp()}).
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-record(mix_participant,
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{user_chan :: {binary(), binary(), binary(), binary()},
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chan_serv :: {binary(), binary()},
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jid :: jid:jid(),
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id :: binary(),
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nick :: binary(),
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created_at :: erlang:timestamp()}).
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-record(mix_subscription,
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{user_chan_node :: {binary(), binary(), binary(), binary(), binary()},
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user_chan :: {binary(), binary(), binary(), binary()},
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chan_serv_node :: {binary(), binary(), binary()},
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chan_serv :: {binary(), binary()},
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jid :: jid:jid()}).
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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try
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{atomic, _} = ejabberd_mnesia:create(
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?MODULE, mix_channel,
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[{disc_only_copies, [node()]},
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{attributes, record_info(fields, mix_channel)},
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{index, [service]}]),
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{atomic, _} = ejabberd_mnesia:create(
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?MODULE, mix_participant,
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[{disc_only_copies, [node()]},
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{attributes, record_info(fields, mix_participant)},
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{index, [chan_serv]}]),
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{atomic, _} = ejabberd_mnesia:create(
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?MODULE, mix_subscription,
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[{disc_only_copies, [node()]},
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{attributes, record_info(fields, mix_subscription)},
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{index, [user_chan, chan_serv_node, chan_serv]}]),
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ok
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catch _:{badmatch, _} ->
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{error, db_failure}
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end.
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set_channel(_LServer, Channel, Service, CreatorJID, Hidden, Key) ->
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mnesia:dirty_write(
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#mix_channel{chan_serv = {Channel, Service},
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service = Service,
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creator = jid:remove_resource(CreatorJID),
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hidden = Hidden,
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hmac_key = Key,
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created_at = erlang:timestamp()}).
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get_channels(_LServer, Service) ->
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Ret = mnesia:dirty_index_read(mix_channel, Service, #mix_channel.service),
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{ok, lists:filtermap(
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fun(#mix_channel{chan_serv = {Channel, _},
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hidden = false}) ->
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{true, Channel};
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(_) ->
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false
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end, Ret)}.
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get_channel(_LServer, Channel, Service) ->
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case mnesia:dirty_read(mix_channel, {Channel, Service}) of
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[#mix_channel{creator = JID,
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hidden = Hidden,
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hmac_key = Key}] ->
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{ok, {JID, Hidden, Key}};
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[] ->
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{error, notfound}
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end.
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del_channel(_LServer, Channel, Service) ->
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Key = {Channel, Service},
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L1 = mnesia:dirty_read(mix_channel, Key),
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L2 = mnesia:dirty_index_read(mix_participant, Key,
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#mix_participant.chan_serv),
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L3 = mnesia:dirty_index_read(mix_subscription, Key,
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#mix_subscription.chan_serv),
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lists:foreach(fun mnesia:dirty_delete_object/1, L1++L2++L3).
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set_participant(_LServer, Channel, Service, JID, ID, Nick) ->
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{User, Domain, _} = jid:tolower(JID),
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mnesia:dirty_write(
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#mix_participant{
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user_chan = {User, Domain, Channel, Service},
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chan_serv = {Channel, Service},
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jid = jid:remove_resource(JID),
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id = ID,
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nick = Nick,
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created_at = erlang:timestamp()}).
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get_participant(_LServer, Channel, Service, JID) ->
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{User, Domain, _} = jid:tolower(JID),
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case mnesia:dirty_read(mix_participant, {User, Domain, Channel, Service}) of
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[#mix_participant{id = ID, nick = Nick}] -> {ok, {ID, Nick}};
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[] -> {error, notfound}
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end.
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get_participants(_LServer, Channel, Service) ->
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Ret = mnesia:dirty_index_read(mix_participant,
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{Channel, Service},
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#mix_participant.chan_serv),
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{ok, lists:map(
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fun(#mix_participant{jid = JID, id = ID, nick = Nick}) ->
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{JID, ID, Nick}
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end, Ret)}.
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del_participant(_LServer, Channel, Service, JID) ->
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{User, Domain, _} = jid:tolower(JID),
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mnesia:dirty_delete(mix_participant, {User, Domain, Channel, Service}).
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subscribe(_LServer, Channel, Service, JID, Nodes) ->
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{User, Domain, _} = jid:tolower(JID),
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BJID = jid:remove_resource(JID),
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lists:foreach(
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fun(Node) ->
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mnesia:dirty_write(
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#mix_subscription{
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user_chan_node = {User, Domain, Channel, Service, Node},
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user_chan = {User, Domain, Channel, Service},
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chan_serv_node = {Channel, Service, Node},
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chan_serv = {Channel, Service},
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jid = BJID})
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end, Nodes).
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get_subscribed(_LServer, Channel, Service, Node) ->
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Ret = mnesia:dirty_index_read(mix_subscription,
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{Channel, Service, Node},
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#mix_subscription.chan_serv_node),
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{ok, [JID || #mix_subscription{jid = JID} <- Ret]}.
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unsubscribe(_LServer, Channel, Service, JID) ->
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{User, Domain, _} = jid:tolower(JID),
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Ret = mnesia:dirty_index_read(mix_subscription,
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{User, Domain, Channel, Service},
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#mix_subscription.user_chan),
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lists:foreach(fun mnesia:dirty_delete_object/1, Ret).
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unsubscribe(_LServer, Channel, Service, JID, Nodes) ->
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{User, Domain, _} = jid:tolower(JID),
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lists:foreach(
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fun(Node) ->
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mnesia:dirty_delete(mix_subscription,
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{User, Domain, Channel, Service, Node})
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end, Nodes).
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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