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95 lines
3.1 KiB
Erlang
95 lines
3.1 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% Created : 29 Mar 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2017 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_carboncopy_sql).
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-behaviour(mod_carboncopy).
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-compile([{parse_transform, ejabberd_sql_pt}]).
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%% API
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-export([init/2, enable/4, disable/3, list/2]).
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-include("ejabberd.hrl").
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-include("logger.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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clean_table(Host).
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enable(LUser, LServer, LResource, NS) ->
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NodeS = erlang:atom_to_binary(node(), latin1),
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case ?SQL_UPSERT(LServer, "carboncopy",
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["!username=%(LUser)s",
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"!resource=%(LResource)s",
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"namespace=%(NS)s",
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"node=%(NodeS)s"]) of
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ok ->
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ok;
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Err ->
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?ERROR_MSG("failed to update 'carboncopy' table: ~p", [Err]),
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{error, db_failure}
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end.
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disable(LUser, LServer, LResource) ->
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("delete from carboncopy where username=%(LUser)s "
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"and resource=%(LResource)s")) of
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{updated, _} ->
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ok;
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Err ->
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?ERROR_MSG("failed to delete from 'carboncopy' table: ~p", [Err]),
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{error, db_failure}
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end.
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list(LUser, LServer) ->
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(resource)s, @(namespace)s, @(node)s from carboncopy "
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"where username=%(LUser)s")) of
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{selected, Rows} ->
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{ok, [{Resource, NS, binary_to_atom(Node, latin1)}
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|| {Resource, NS, Node} <- Rows]};
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Err ->
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?ERROR_MSG("failed to select from 'carboncopy' table: ~p", [Err]),
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{error, db_failure}
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end.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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clean_table(LServer) ->
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NodeS = erlang:atom_to_binary(node(), latin1),
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?DEBUG("Cleaning SQL 'carboncopy' table...", []),
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("delete from carboncopy where node=%(NodeS)s")) of
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{updated, _} ->
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ok;
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Err ->
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?ERROR_MSG("failed to clean 'carboncopy' table: ~p", [Err]),
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{error, db_failure}
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end.
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