mirror of
https://github.com/processone/ejabberd.git
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4d8f770624
Use dynamic Rebar configuration Make iconv dependency optional Disable transient_supervisors compile option Add hipe compilation support Only compile ibrowse and lhttpc when needed Make it possible to generate an OTP application release Add --enable-debug compile option Add --enable-all compiler option Add --enable-tools configure option Add --with-erlang configure option. Add --enable-erlang-version-check configure option. Add lager support Improve the test suite
432 lines
14 KiB
Erlang
432 lines
14 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_blocking.erl
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%%% Author : Stephan Maka
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%%% Purpose : XEP-0191: Simple Communications Blocking
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%%% Created : 24 Aug 2008 by Stephan Maka <stephan@spaceboyz.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2013 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
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_blocking).
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-behaviour(gen_mod).
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-export([start/2, stop/1, process_iq/3,
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process_iq_set/4, process_iq_get/5]).
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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("mod_privacy.hrl").
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
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one_queue),
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ejabberd_hooks:add(privacy_iq_get, Host, ?MODULE,
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process_iq_get, 40),
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ejabberd_hooks:add(privacy_iq_set, Host, ?MODULE,
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process_iq_set, 40),
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mod_disco:register_feature(Host, ?NS_BLOCKING),
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gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
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?NS_BLOCKING, ?MODULE, process_iq, IQDisc).
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stop(Host) ->
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ejabberd_hooks:delete(privacy_iq_get, Host, ?MODULE,
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process_iq_get, 40),
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ejabberd_hooks:delete(privacy_iq_set, Host, ?MODULE,
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process_iq_set, 40),
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mod_disco:unregister_feature(Host, ?NS_BLOCKING),
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gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
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?NS_BLOCKING).
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process_iq(_From, _To, IQ) ->
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SubEl = IQ#iq.sub_el,
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IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}.
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process_iq_get(_, From, _To,
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#iq{xmlns = ?NS_BLOCKING,
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sub_el = #xmlel{name = <<"blocklist">>}},
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_) ->
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#jid{luser = LUser, lserver = LServer} = From,
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{stop, process_blocklist_get(LUser, LServer)};
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process_iq_get(Acc, _, _, _, _) -> Acc.
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process_iq_set(_, From, _To,
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#iq{xmlns = ?NS_BLOCKING,
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sub_el =
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#xmlel{name = SubElName, children = SubEls}}) ->
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#jid{luser = LUser, lserver = LServer} = From,
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Res = case {SubElName, xml:remove_cdata(SubEls)} of
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{<<"block">>, []} -> {error, ?ERR_BAD_REQUEST};
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{<<"block">>, Els} ->
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JIDs = parse_blocklist_items(Els, []),
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process_blocklist_block(LUser, LServer, JIDs);
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{<<"unblock">>, []} ->
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process_blocklist_unblock_all(LUser, LServer);
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{<<"unblock">>, Els} ->
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JIDs = parse_blocklist_items(Els, []),
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process_blocklist_unblock(LUser, LServer, JIDs);
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_ -> {error, ?ERR_BAD_REQUEST}
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end,
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{stop, Res};
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process_iq_set(Acc, _, _, _) -> Acc.
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list_to_blocklist_jids([], JIDs) -> JIDs;
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list_to_blocklist_jids([#listitem{type = jid,
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action = deny, value = JID} =
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Item
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| Items],
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JIDs) ->
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case Item of
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#listitem{match_all = true} -> Match = true;
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#listitem{match_iq = true, match_message = true,
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match_presence_in = true, match_presence_out = true} ->
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Match = true;
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_ -> Match = false
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end,
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if Match -> list_to_blocklist_jids(Items, [JID | JIDs]);
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true -> list_to_blocklist_jids(Items, JIDs)
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end;
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% Skip Privacy List items than cannot be mapped to Blocking items
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list_to_blocklist_jids([_ | Items], JIDs) ->
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list_to_blocklist_jids(Items, JIDs).
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parse_blocklist_items([], JIDs) -> JIDs;
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parse_blocklist_items([#xmlel{name = <<"item">>,
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attrs = Attrs}
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| Els],
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JIDs) ->
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case xml:get_attr(<<"jid">>, Attrs) of
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{value, JID1} ->
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JID = jlib:jid_tolower(jlib:string_to_jid(JID1)),
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parse_blocklist_items(Els, [JID | JIDs]);
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false -> parse_blocklist_items(Els, JIDs)
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end;
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parse_blocklist_items([_ | Els], JIDs) ->
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parse_blocklist_items(Els, JIDs).
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process_blocklist_block(LUser, LServer, JIDs) ->
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Filter = fun (List) ->
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AlreadyBlocked = list_to_blocklist_jids(List, []),
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lists:foldr(fun (JID, List1) ->
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case lists:member(JID, AlreadyBlocked)
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of
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true -> List1;
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false ->
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[#listitem{type = jid,
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value = JID,
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action = deny,
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order = 0,
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match_all = true}
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| List1]
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end
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end,
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List, JIDs)
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end,
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case process_blocklist_block(LUser, LServer, Filter,
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gen_mod:db_type(LServer, mod_privacy))
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of
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{atomic, {ok, Default, List}} ->
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UserList = make_userlist(Default, List),
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broadcast_list_update(LUser, LServer, Default,
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UserList),
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broadcast_blocklist_event(LUser, LServer,
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{block, JIDs}),
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{result, [], UserList};
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_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
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end.
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process_blocklist_block(LUser, LServer, Filter,
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mnesia) ->
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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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process_blocklist_block(LUser, LServer, Filter, odbc) ->
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F = fun () ->
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Default = case
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mod_privacy:sql_get_default_privacy_list_t(LUser)
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of
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{selected, [<<"name">>], []} ->
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Name = <<"Blocked contacts">>,
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mod_privacy:sql_add_privacy_list(LUser, Name),
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mod_privacy:sql_set_default_privacy_list(LUser,
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Name),
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Name;
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{selected, [<<"name">>], [[Name]]} -> Name
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end,
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{selected, [<<"id">>], [[ID]]} =
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mod_privacy:sql_get_privacy_list_id_t(LUser, Default),
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case mod_privacy:sql_get_privacy_list_data_by_id_t(ID)
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of
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{selected,
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[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
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<<"match_all">>, <<"match_iq">>, <<"match_message">>,
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<<"match_presence_in">>, <<"match_presence_out">>],
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RItems = [_ | _]} ->
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List = lists:map(fun mod_privacy:raw_to_item/1, RItems);
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_ -> List = []
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end,
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NewList = Filter(List),
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NewRItems = lists:map(fun mod_privacy:item_to_raw/1,
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NewList),
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mod_privacy:sql_set_privacy_list(ID, NewRItems),
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{ok, Default, NewList}
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end,
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ejabberd_odbc:sql_transaction(LServer, F).
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process_blocklist_unblock_all(LUser, LServer) ->
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Filter = fun (List) ->
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lists:filter(fun (#listitem{action = A}) -> A =/= deny
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end,
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List)
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end,
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case process_blocklist_unblock_all(LUser, LServer,
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Filter,
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gen_mod:db_type(LServer, mod_privacy))
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of
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{atomic, ok} -> {result, []};
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{atomic, {ok, Default, List}} ->
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UserList = make_userlist(Default, List),
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broadcast_list_update(LUser, LServer, Default,
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UserList),
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broadcast_blocklist_event(LUser, LServer, unblock_all),
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{result, [], UserList};
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_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
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end.
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process_blocklist_unblock_all(LUser, LServer, Filter,
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mnesia) ->
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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_unblock_all(LUser, LServer, Filter,
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odbc) ->
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F = fun () ->
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case mod_privacy:sql_get_default_privacy_list_t(LUser)
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of
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{selected, [<<"name">>], []} -> ok;
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{selected, [<<"name">>], [[Default]]} ->
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{selected, [<<"id">>], [[ID]]} =
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mod_privacy:sql_get_privacy_list_id_t(LUser, Default),
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case mod_privacy:sql_get_privacy_list_data_by_id_t(ID)
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of
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{selected,
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[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
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<<"match_all">>, <<"match_iq">>, <<"match_message">>,
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<<"match_presence_in">>, <<"match_presence_out">>],
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RItems = [_ | _]} ->
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List = lists:map(fun mod_privacy:raw_to_item/1,
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RItems),
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NewList = Filter(List),
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NewRItems = lists:map(fun mod_privacy:item_to_raw/1,
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NewList),
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mod_privacy:sql_set_privacy_list(ID, NewRItems),
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{ok, Default, NewList};
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_ -> ok
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end;
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_ -> ok
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end
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end,
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ejabberd_odbc:sql_transaction(LServer, F).
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process_blocklist_unblock(LUser, LServer, JIDs) ->
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Filter = fun (List) ->
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lists:filter(fun (#listitem{action = deny, type = jid,
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value = JID}) ->
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not lists:member(JID, JIDs);
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(_) -> true
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end,
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List)
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end,
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case process_blocklist_unblock(LUser, LServer, Filter,
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gen_mod:db_type(LServer, mod_privacy))
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of
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{atomic, ok} -> {result, []};
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{atomic, {ok, Default, List}} ->
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UserList = make_userlist(Default, List),
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broadcast_list_update(LUser, LServer, Default,
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UserList),
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broadcast_blocklist_event(LUser, LServer,
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{unblock, JIDs}),
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{result, [], UserList};
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_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
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end.
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process_blocklist_unblock(LUser, LServer, Filter,
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mnesia) ->
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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_unblock(LUser, LServer, Filter,
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odbc) ->
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F = fun () ->
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case mod_privacy:sql_get_default_privacy_list_t(LUser)
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of
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{selected, [<<"name">>], []} -> ok;
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{selected, [<<"name">>], [[Default]]} ->
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{selected, [<<"id">>], [[ID]]} =
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mod_privacy:sql_get_privacy_list_id_t(LUser, Default),
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case mod_privacy:sql_get_privacy_list_data_by_id_t(ID)
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of
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{selected,
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[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
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<<"match_all">>, <<"match_iq">>, <<"match_message">>,
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<<"match_presence_in">>, <<"match_presence_out">>],
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RItems = [_ | _]} ->
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List = lists:map(fun mod_privacy:raw_to_item/1,
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RItems),
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NewList = Filter(List),
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NewRItems = lists:map(fun mod_privacy:item_to_raw/1,
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NewList),
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mod_privacy:sql_set_privacy_list(ID, NewRItems),
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{ok, Default, NewList};
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_ -> ok
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end;
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_ -> ok
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end
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end,
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ejabberd_odbc:sql_transaction(LServer, F).
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make_userlist(Name, List) ->
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NeedDb = mod_privacy:is_list_needdb(List),
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#userlist{name = Name, list = List, needdb = NeedDb}.
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broadcast_list_update(LUser, LServer, Name, UserList) ->
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ejabberd_sm:route(jlib:make_jid(LUser, LServer,
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<<"">>),
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jlib:make_jid(LUser, LServer, <<"">>),
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{broadcast, {privacy_list, UserList, Name}}).
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broadcast_blocklist_event(LUser, LServer, Event) ->
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JID = jlib:make_jid(LUser, LServer, <<"">>),
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ejabberd_sm:route(JID, JID,
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{broadcast, {blocking, Event}}).
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process_blocklist_get(LUser, LServer) ->
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case process_blocklist_get(LUser, LServer,
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gen_mod:db_type(LServer, mod_privacy))
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of
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error -> {error, ?ERR_INTERNAL_SERVER_ERROR};
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List ->
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JIDs = list_to_blocklist_jids(List, []),
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Items = lists:map(fun (JID) ->
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?DEBUG("JID: ~p", [JID]),
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#xmlel{name = <<"item">>,
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attrs =
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[{<<"jid">>,
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jlib:jid_to_string(JID)}],
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children = []}
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end,
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JIDs),
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{result,
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[#xmlel{name = <<"blocklist">>,
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attrs = [{<<"xmlns">>, ?NS_BLOCKING}],
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children = Items}]}
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end.
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process_blocklist_get(LUser, LServer, mnesia) ->
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case catch mnesia:dirty_read(privacy, {LUser, LServer})
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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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process_blocklist_get(LUser, LServer, odbc) ->
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case catch
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mod_privacy:sql_get_default_privacy_list(LUser, LServer)
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of
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{selected, [<<"name">>], []} -> [];
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{selected, [<<"name">>], [[Default]]} ->
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case catch mod_privacy:sql_get_privacy_list_data(LUser,
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LServer, Default)
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of
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{selected,
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[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
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<<"match_all">>, <<"match_iq">>, <<"match_message">>,
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<<"match_presence_in">>, <<"match_presence_out">>],
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RItems} ->
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lists:map(fun mod_privacy:raw_to_item/1, RItems);
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{'EXIT', _} -> error
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end;
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{'EXIT', _} -> error
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end.
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