mirror of
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101 lines
3.2 KiB
Erlang
101 lines
3.2 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% File : mod_blocking_mnesia.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) 2002-2017 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_blocking_mnesia).
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-behaviour(mod_blocking).
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%% API
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-export([process_blocklist_block/3, unblock_by_filter/3,
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process_blocklist_get/2]).
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-include("mod_privacy.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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process_blocklist_block(LUser, LServer, Filter) ->
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F = fun () ->
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case mnesia:wread({privacy, {LUser, LServer}}) of
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[] ->
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P = #privacy{us = {LUser, LServer}},
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NewDefault = <<"Blocked contacts">>,
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NewLists1 = [],
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List = [];
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[#privacy{default = Default, lists = Lists} = P] ->
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case lists:keysearch(Default, 1, Lists) of
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{value, {_, List}} ->
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NewDefault = Default,
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NewLists1 = lists:keydelete(Default, 1, Lists);
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false ->
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NewDefault = <<"Blocked contacts">>,
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NewLists1 = Lists,
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List = []
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end
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end,
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NewList = Filter(List),
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NewLists = [{NewDefault, NewList} | NewLists1],
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mnesia:write(P#privacy{default = NewDefault,
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lists = NewLists}),
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{ok, NewDefault, NewList}
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end,
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mnesia:transaction(F).
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unblock_by_filter(LUser, LServer, Filter) ->
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F = fun () ->
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case mnesia:read({privacy, {LUser, LServer}}) of
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[] ->
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%% No lists, nothing to unblock
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ok;
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[#privacy{default = Default, lists = Lists} = P] ->
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case lists:keysearch(Default, 1, Lists) of
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{value, {_, List}} ->
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NewList = Filter(List),
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NewLists1 = lists:keydelete(Default, 1, Lists),
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NewLists = [{Default, NewList} | NewLists1],
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mnesia:write(P#privacy{lists = NewLists}),
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{ok, Default, NewList};
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false ->
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%% No default list, nothing to unblock
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ok
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end
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end
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end,
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mnesia:transaction(F).
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process_blocklist_get(LUser, LServer) ->
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case catch mnesia:dirty_read(privacy, {LUser, LServer}) of
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{'EXIT', _Reason} -> error;
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[] -> [];
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[#privacy{default = Default, lists = Lists}] ->
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case lists:keysearch(Default, 1, Lists) of
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{value, {_, List}} -> List;
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_ -> []
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end
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end.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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