mirror of
https://github.com/processone/ejabberd.git
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219 lines
6.6 KiB
Erlang
219 lines
6.6 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% File : mod_shared_roster_sql.erl
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%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% Created : 14 Apr 2016 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_shared_roster_sql).
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-compile([{parse_transform, ejabberd_sql_pt}]).
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-behaviour(mod_shared_roster).
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%% API
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-export([init/2, list_groups/1, groups_with_opts/1, create_group/3,
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delete_group/2, get_group_opts/2, set_group_opts/3,
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get_user_groups/2, get_group_explicit_users/2,
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get_user_displayed_groups/3, is_user_in_group/3,
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add_user_to_group/3, remove_user_from_group/3, import/3,
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export/1]).
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-include("jid.hrl").
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-include("mod_roster.hrl").
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-include("mod_shared_roster.hrl").
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-include("ejabberd_sql_pt.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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ok.
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list_groups(Host) ->
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case ejabberd_sql:sql_query(
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Host,
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?SQL("select @(name)s from sr_group where %(Host)H")) of
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{selected, Rs} -> [G || {G} <- Rs];
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_ -> []
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end.
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groups_with_opts(Host) ->
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case ejabberd_sql:sql_query(
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Host,
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?SQL("select @(name)s, @(opts)s from sr_group where %(Host)H"))
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of
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{selected, Rs} ->
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[{G, mod_shared_roster:opts_to_binary(ejabberd_sql:decode_term(Opts))}
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|| {G, Opts} <- Rs];
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_ -> []
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end.
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create_group(Host, Group, Opts) ->
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SOpts = misc:term_to_expr(Opts),
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F = fun () ->
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?SQL_UPSERT_T(
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"sr_group",
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["!name=%(Group)s",
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"!server_host=%(Host)s",
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"opts=%(SOpts)s"])
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end,
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ejabberd_sql:sql_transaction(Host, F).
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delete_group(Host, Group) ->
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F = fun () ->
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ejabberd_sql:sql_query_t(
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?SQL("delete from sr_group where name=%(Group)s and %(Host)H")),
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ejabberd_sql:sql_query_t(
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?SQL("delete from sr_user where grp=%(Group)s and %(Host)H"))
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end,
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case ejabberd_sql:sql_transaction(Host, F) of
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{atomic,{updated,_}} -> {atomic, ok};
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Res -> Res
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end.
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get_group_opts(Host, Group) ->
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case catch ejabberd_sql:sql_query(
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Host,
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?SQL("select @(opts)s from sr_group"
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" where name=%(Group)s and %(Host)H")) of
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{selected, [{SOpts}]} ->
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mod_shared_roster:opts_to_binary(ejabberd_sql:decode_term(SOpts));
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_ -> error
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end.
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set_group_opts(Host, Group, Opts) ->
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SOpts = misc:term_to_expr(Opts),
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F = fun () ->
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?SQL_UPSERT_T(
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"sr_group",
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["!name=%(Group)s",
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"!server_host=%(Host)s",
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"opts=%(SOpts)s"])
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end,
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ejabberd_sql:sql_transaction(Host, F).
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get_user_groups(US, Host) ->
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SJID = make_jid_s(US),
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case catch ejabberd_sql:sql_query(
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Host,
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?SQL("select @(grp)s from sr_user"
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" where jid=%(SJID)s and %(Host)H")) of
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{selected, Rs} -> [G || {G} <- Rs];
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_ -> []
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end.
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get_group_explicit_users(Host, Group) ->
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case catch ejabberd_sql:sql_query(
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Host,
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?SQL("select @(jid)s from sr_user"
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" where grp=%(Group)s and %(Host)H")) of
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{selected, Rs} ->
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lists:map(
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fun({JID}) ->
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{U, S, _} = jid:tolower(jid:decode(JID)),
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{U, S}
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end, Rs);
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_ ->
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[]
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end.
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get_user_displayed_groups(LUser, LServer, GroupsOpts) ->
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SJID = make_jid_s(LUser, LServer),
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case catch ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(grp)s from sr_user"
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" where jid=%(SJID)s and %(LServer)H")) of
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{selected, Rs} ->
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[{Group, proplists:get_value(Group, GroupsOpts, [])}
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|| {Group} <- Rs];
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_ -> []
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end.
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is_user_in_group(US, Group, Host) ->
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SJID = make_jid_s(US),
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case catch ejabberd_sql:sql_query(
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Host,
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?SQL("select @(jid)s from sr_user where jid=%(SJID)s"
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" and %(Host)H and grp=%(Group)s")) of
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{selected, []} -> false;
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_ -> true
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end.
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add_user_to_group(Host, US, Group) ->
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SJID = make_jid_s(US),
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ejabberd_sql:sql_query(
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Host,
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?SQL_INSERT(
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"sr_user",
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["jid=%(SJID)s",
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"server_host=%(Host)s",
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"grp=%(Group)s"])).
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remove_user_from_group(Host, US, Group) ->
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SJID = make_jid_s(US),
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F = fun () ->
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ejabberd_sql:sql_query_t(
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?SQL("delete from sr_user where jid=%(SJID)s and %(Host)H"
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" and grp=%(Group)s")),
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ok
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end,
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ejabberd_sql:sql_transaction(Host, F).
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export(_Server) ->
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[{sr_group,
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fun(Host, #sr_group{group_host = {Group, LServer}, opts = Opts})
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when LServer == Host ->
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SOpts = misc:term_to_expr(Opts),
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[?SQL("delete from sr_group where name=%(Group)s and %(Host)H;"),
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?SQL_INSERT(
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"sr_group",
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["name=%(Group)s",
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"server_host=%(Host)s",
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"opts=%(SOpts)s"])];
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(_Host, _R) ->
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[]
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end},
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{sr_user,
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fun(Host, #sr_user{us = {U, S}, group_host = {Group, LServer}})
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when LServer == Host ->
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SJID = make_jid_s(U, S),
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[?SQL("select @(jid)s from sr_user where jid=%(SJID)s"
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" and %(Host)H and grp=%(Group)s;"),
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?SQL_INSERT(
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"sr_user",
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["jid=%(SJID)s",
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"server_host=%(Host)s",
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"grp=%(Group)s"])];
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(_Host, _R) ->
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[]
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end}].
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import(_, _, _) ->
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ok.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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make_jid_s(U, S) ->
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jid:encode(jid:tolower(jid:make(U, S))).
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make_jid_s({U, S}) -> make_jid_s(U, S).
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