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xmpp.chapril.org-ejabberd/src/mod_privacy.erl
Evgeniy Khramtsov 4af15df546 Add new 'default_db' option
2015-03-30 12:15:29 +03:00

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%%%----------------------------------------------------------------------
%%% File : mod_privacy.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : jabber:iq:privacy support
%%% Created : 21 Jul 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2015 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_privacy).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2, stop/1, process_iq/3, export/1, import/1,
process_iq_set/4, process_iq_get/5, get_user_list/3,
check_packet/6, remove_user/2, item_to_raw/1,
raw_to_item/1, is_list_needdb/1, updated_list/3,
item_to_xml/1, get_user_lists/2, import/3]).
%% For mod_blocking
-export([sql_add_privacy_list/2,
sql_get_default_privacy_list/2,
sql_get_default_privacy_list_t/1,
sql_get_privacy_list_data/3,
sql_get_privacy_list_data_by_id_t/1,
sql_get_privacy_list_id_t/2,
sql_set_default_privacy_list/2,
sql_set_privacy_list/2, privacy_schema/0]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("jlib.hrl").
-include("mod_privacy.hrl").
privacy_schema() ->
{record_info(fields, privacy), #privacy{}}.
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
one_queue),
case gen_mod:db_type(Host, Opts) of
mnesia ->
mnesia:create_table(privacy,
[{disc_copies, [node()]},
{attributes, record_info(fields, privacy)}]),
update_table();
_ -> ok
end,
mod_disco:register_feature(Host, ?NS_PRIVACY),
ejabberd_hooks:add(privacy_iq_get, Host, ?MODULE,
process_iq_get, 50),
ejabberd_hooks:add(privacy_iq_set, Host, ?MODULE,
process_iq_set, 50),
ejabberd_hooks:add(privacy_get_user_list, Host, ?MODULE,
get_user_list, 50),
ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
check_packet, 50),
ejabberd_hooks:add(privacy_updated_list, Host, ?MODULE,
updated_list, 50),
ejabberd_hooks:add(remove_user, Host, ?MODULE,
remove_user, 50),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_PRIVACY, ?MODULE, process_iq, IQDisc).
stop(Host) ->
mod_disco:unregister_feature(Host, ?NS_PRIVACY),
ejabberd_hooks:delete(privacy_iq_get, Host, ?MODULE,
process_iq_get, 50),
ejabberd_hooks:delete(privacy_iq_set, Host, ?MODULE,
process_iq_set, 50),
ejabberd_hooks:delete(privacy_get_user_list, Host,
?MODULE, get_user_list, 50),
ejabberd_hooks:delete(privacy_check_packet, Host,
?MODULE, check_packet, 50),
ejabberd_hooks:delete(privacy_updated_list, Host,
?MODULE, updated_list, 50),
ejabberd_hooks:delete(remove_user, Host, ?MODULE,
remove_user, 50),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_PRIVACY).
process_iq(_From, _To, IQ) ->
SubEl = IQ#iq.sub_el,
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}.
process_iq_get(_, From, _To, #iq{sub_el = SubEl},
#userlist{name = Active}) ->
#jid{luser = LUser, lserver = LServer} = From,
#xmlel{children = Els} = SubEl,
case xml:remove_cdata(Els) of
[] -> process_lists_get(LUser, LServer, Active);
[#xmlel{name = Name, attrs = Attrs}] ->
case Name of
<<"list">> ->
ListName = xml:get_attr(<<"name">>, Attrs),
process_list_get(LUser, LServer, ListName);
_ -> {error, ?ERR_BAD_REQUEST}
end;
_ -> {error, ?ERR_BAD_REQUEST}
end.
process_lists_get(LUser, LServer, Active) ->
case process_lists_get(LUser, LServer, Active,
gen_mod:db_type(LServer, ?MODULE))
of
error -> {error, ?ERR_INTERNAL_SERVER_ERROR};
{_Default, []} ->
{result,
[#xmlel{name = <<"query">>,
attrs = [{<<"xmlns">>, ?NS_PRIVACY}], children = []}]};
{Default, LItems} ->
DItems = case Default of
none -> LItems;
_ ->
[#xmlel{name = <<"default">>,
attrs = [{<<"name">>, Default}], children = []}
| LItems]
end,
ADItems = case Active of
none -> DItems;
_ ->
[#xmlel{name = <<"active">>,
attrs = [{<<"name">>, Active}], children = []}
| DItems]
end,
{result,
[#xmlel{name = <<"query">>,
attrs = [{<<"xmlns">>, ?NS_PRIVACY}],
children = ADItems}]}
end.
process_lists_get(LUser, LServer, _Active, mnesia) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer})
of
{'EXIT', _Reason} -> error;
[] -> {none, []};
[#privacy{default = Default, lists = Lists}] ->
LItems = lists:map(fun ({N, _}) ->
#xmlel{name = <<"list">>,
attrs = [{<<"name">>, N}],
children = []}
end,
Lists),
{Default, LItems}
end;
process_lists_get(LUser, LServer, _Active, riak) ->
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{default = Default, lists = Lists}} ->
LItems = lists:map(fun ({N, _}) ->
#xmlel{name = <<"list">>,
attrs = [{<<"name">>, N}],
children = []}
end,
Lists),
{Default, LItems};
{error, notfound} ->
{none, []};
{error, _} ->
error
end;
process_lists_get(LUser, LServer, _Active, odbc) ->
Default = case catch sql_get_default_privacy_list(LUser,
LServer)
of
{selected, [<<"name">>], []} -> none;
{selected, [<<"name">>], [[DefName]]} -> DefName;
_ -> none
end,
case catch sql_get_privacy_list_names(LUser, LServer) of
{selected, [<<"name">>], Names} ->
LItems = lists:map(fun ([N]) ->
#xmlel{name = <<"list">>,
attrs = [{<<"name">>, N}],
children = []}
end,
Names),
{Default, LItems};
_ -> error
end.
process_list_get(LUser, LServer, {value, Name}) ->
case process_list_get(LUser, LServer, Name,
gen_mod:db_type(LServer, ?MODULE))
of
error -> {error, ?ERR_INTERNAL_SERVER_ERROR};
not_found -> {error, ?ERR_ITEM_NOT_FOUND};
Items ->
LItems = lists:map(fun item_to_xml/1, Items),
{result,
[#xmlel{name = <<"query">>,
attrs = [{<<"xmlns">>, ?NS_PRIVACY}],
children =
[#xmlel{name = <<"list">>, attrs = [{<<"name">>, Name}],
children = LItems}]}]}
end;
process_list_get(_LUser, _LServer, false) ->
{error, ?ERR_BAD_REQUEST}.
process_list_get(LUser, LServer, Name, mnesia) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer})
of
{'EXIT', _Reason} -> error;
[] -> not_found;
[#privacy{lists = Lists}] ->
case lists:keysearch(Name, 1, Lists) of
{value, {_, List}} -> List;
_ -> not_found
end
end;
process_list_get(LUser, LServer, Name, riak) ->
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{lists = Lists}} ->
case lists:keysearch(Name, 1, Lists) of
{value, {_, List}} -> List;
_ -> not_found
end;
{error, notfound} ->
not_found;
{error, _} ->
error
end;
process_list_get(LUser, LServer, Name, odbc) ->
case catch sql_get_privacy_list_id(LUser, LServer, Name)
of
{selected, [<<"id">>], []} -> not_found;
{selected, [<<"id">>], [[ID]]} ->
case catch sql_get_privacy_list_data_by_id(ID, LServer)
of
{selected,
[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
<<"match_all">>, <<"match_iq">>, <<"match_message">>,
<<"match_presence_in">>, <<"match_presence_out">>],
RItems} ->
lists:flatmap(fun raw_to_item/1, RItems);
_ -> error
end;
_ -> error
end.
item_to_xml(Item) ->
Attrs1 = [{<<"action">>,
action_to_list(Item#listitem.action)},
{<<"order">>, order_to_list(Item#listitem.order)}],
Attrs2 = case Item#listitem.type of
none -> Attrs1;
Type ->
[{<<"type">>, type_to_list(Item#listitem.type)},
{<<"value">>, value_to_list(Type, Item#listitem.value)}
| Attrs1]
end,
SubEls = case Item#listitem.match_all of
true -> [];
false ->
SE1 = case Item#listitem.match_iq of
true ->
[#xmlel{name = <<"iq">>, attrs = [],
children = []}];
false -> []
end,
SE2 = case Item#listitem.match_message of
true ->
[#xmlel{name = <<"message">>, attrs = [],
children = []}
| SE1];
false -> SE1
end,
SE3 = case Item#listitem.match_presence_in of
true ->
[#xmlel{name = <<"presence-in">>, attrs = [],
children = []}
| SE2];
false -> SE2
end,
SE4 = case Item#listitem.match_presence_out of
true ->
[#xmlel{name = <<"presence-out">>, attrs = [],
children = []}
| SE3];
false -> SE3
end,
SE4
end,
#xmlel{name = <<"item">>, attrs = Attrs2,
children = SubEls}.
action_to_list(Action) ->
case Action of
allow -> <<"allow">>;
deny -> <<"deny">>
end.
order_to_list(Order) ->
iolist_to_binary(integer_to_list(Order)).
type_to_list(Type) ->
case Type of
jid -> <<"jid">>;
group -> <<"group">>;
subscription -> <<"subscription">>
end.
value_to_list(Type, Val) ->
case Type of
jid -> jlib:jid_to_string(Val);
group -> Val;
subscription ->
case Val of
both -> <<"both">>;
to -> <<"to">>;
from -> <<"from">>;
none -> <<"none">>
end
end.
list_to_action(S) ->
case S of
<<"allow">> -> allow;
<<"deny">> -> deny
end.
process_iq_set(_, From, _To, #iq{sub_el = SubEl}) ->
#jid{luser = LUser, lserver = LServer} = From,
#xmlel{children = Els} = SubEl,
case xml:remove_cdata(Els) of
[#xmlel{name = Name, attrs = Attrs,
children = SubEls}] ->
ListName = xml:get_attr(<<"name">>, Attrs),
case Name of
<<"list">> ->
process_list_set(LUser, LServer, ListName,
xml:remove_cdata(SubEls));
<<"active">> ->
process_active_set(LUser, LServer, ListName);
<<"default">> ->
process_default_set(LUser, LServer, ListName);
_ -> {error, ?ERR_BAD_REQUEST}
end;
_ -> {error, ?ERR_BAD_REQUEST}
end.
process_default_set(LUser, LServer, Value) ->
case process_default_set(LUser, LServer, Value,
gen_mod:db_type(LServer, ?MODULE))
of
{atomic, error} -> {error, ?ERR_INTERNAL_SERVER_ERROR};
{atomic, not_found} -> {error, ?ERR_ITEM_NOT_FOUND};
{atomic, ok} -> {result, []};
_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
end.
process_default_set(LUser, LServer, {value, Name},
mnesia) ->
F = fun () ->
case mnesia:read({privacy, {LUser, LServer}}) of
[] -> not_found;
[#privacy{lists = Lists} = P] ->
case lists:keymember(Name, 1, Lists) of
true ->
mnesia:write(P#privacy{default = Name,
lists = Lists}),
ok;
false -> not_found
end
end
end,
mnesia:transaction(F);
process_default_set(LUser, LServer, {value, Name}, riak) ->
{atomic,
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{lists = Lists} = P} ->
case lists:keymember(Name, 1, Lists) of
true ->
ejabberd_riak:put(P#privacy{default = Name,
lists = Lists},
privacy_schema());
false ->
not_found
end;
{error, _} ->
not_found
end};
process_default_set(LUser, LServer, {value, Name},
odbc) ->
F = fun () ->
case sql_get_privacy_list_names_t(LUser) of
{selected, [<<"name">>], []} -> not_found;
{selected, [<<"name">>], Names} ->
case lists:member([Name], Names) of
true -> sql_set_default_privacy_list(LUser, Name), ok;
false -> not_found
end
end
end,
odbc_queries:sql_transaction(LServer, F);
process_default_set(LUser, LServer, false, mnesia) ->
F = fun () ->
case mnesia:read({privacy, {LUser, LServer}}) of
[] -> ok;
[R] -> mnesia:write(R#privacy{default = none})
end
end,
mnesia:transaction(F);
process_default_set(LUser, LServer, false, riak) ->
{atomic,
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, R} ->
ejabberd_riak:put(R#privacy{default = none}, privacy_schema());
{error, _} ->
ok
end};
process_default_set(LUser, LServer, false, odbc) ->
case catch sql_unset_default_privacy_list(LUser,
LServer)
of
{'EXIT', _Reason} -> {atomic, error};
{error, _Reason} -> {atomic, error};
_ -> {atomic, ok}
end.
process_active_set(LUser, LServer, {value, Name}) ->
case process_active_set(LUser, LServer, Name,
gen_mod:db_type(LServer, ?MODULE))
of
error -> {error, ?ERR_ITEM_NOT_FOUND};
Items ->
NeedDb = is_list_needdb(Items),
{result, [],
#userlist{name = Name, list = Items, needdb = NeedDb}}
end;
process_active_set(_LUser, _LServer, false) ->
{result, [], #userlist{}}.
process_active_set(LUser, LServer, Name, mnesia) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer})
of
[] -> error;
[#privacy{lists = Lists}] ->
case lists:keysearch(Name, 1, Lists) of
{value, {_, List}} -> List;
false -> error
end
end;
process_active_set(LUser, LServer, Name, riak) ->
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{lists = Lists}} ->
case lists:keysearch(Name, 1, Lists) of
{value, {_, List}} -> List;
false -> error
end;
{error, _} ->
error
end;
process_active_set(LUser, LServer, Name, odbc) ->
case catch sql_get_privacy_list_id(LUser, LServer, Name)
of
{selected, [<<"id">>], []} -> error;
{selected, [<<"id">>], [[ID]]} ->
case catch sql_get_privacy_list_data_by_id(ID, LServer)
of
{selected,
[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
<<"match_all">>, <<"match_iq">>, <<"match_message">>,
<<"match_presence_in">>, <<"match_presence_out">>],
RItems} ->
lists:flatmap(fun raw_to_item/1, RItems);
_ -> error
end;
_ -> error
end.
remove_privacy_list(LUser, LServer, Name, mnesia) ->
F = fun () ->
case mnesia:read({privacy, {LUser, LServer}}) of
[] -> ok;
[#privacy{default = Default, lists = Lists} = P] ->
if Name == Default -> conflict;
true ->
NewLists = lists:keydelete(Name, 1, Lists),
mnesia:write(P#privacy{lists = NewLists})
end
end
end,
mnesia:transaction(F);
remove_privacy_list(LUser, LServer, Name, riak) ->
{atomic,
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{default = Default, lists = Lists} = P} ->
if Name == Default ->
conflict;
true ->
NewLists = lists:keydelete(Name, 1, Lists),
ejabberd_riak:put(P#privacy{lists = NewLists},
privacy_schema())
end;
{error, _} ->
ok
end};
remove_privacy_list(LUser, LServer, Name, odbc) ->
F = fun () ->
case sql_get_default_privacy_list_t(LUser) of
{selected, [<<"name">>], []} ->
sql_remove_privacy_list(LUser, Name), ok;
{selected, [<<"name">>], [[Default]]} ->
if Name == Default -> conflict;
true -> sql_remove_privacy_list(LUser, Name), ok
end
end
end,
odbc_queries:sql_transaction(LServer, F).
set_privacy_list(LUser, LServer, Name, List, mnesia) ->
F = fun () ->
case mnesia:wread({privacy, {LUser, LServer}}) of
[] ->
NewLists = [{Name, List}],
mnesia:write(#privacy{us = {LUser, LServer},
lists = NewLists});
[#privacy{lists = Lists} = P] ->
NewLists1 = lists:keydelete(Name, 1, Lists),
NewLists = [{Name, List} | NewLists1],
mnesia:write(P#privacy{lists = NewLists})
end
end,
mnesia:transaction(F);
set_privacy_list(LUser, LServer, Name, List, riak) ->
{atomic,
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{lists = Lists} = P} ->
NewLists1 = lists:keydelete(Name, 1, Lists),
NewLists = [{Name, List} | NewLists1],
ejabberd_riak:put(P#privacy{lists = NewLists}, privacy_schema());
{error, _} ->
NewLists = [{Name, List}],
ejabberd_riak:put(#privacy{us = {LUser, LServer},
lists = NewLists},
privacy_schema())
end};
set_privacy_list(LUser, LServer, Name, List, odbc) ->
RItems = lists:map(fun item_to_raw/1, List),
F = fun () ->
ID = case sql_get_privacy_list_id_t(LUser, Name) of
{selected, [<<"id">>], []} ->
sql_add_privacy_list(LUser, Name),
{selected, [<<"id">>], [[I]]} =
sql_get_privacy_list_id_t(LUser, Name),
I;
{selected, [<<"id">>], [[I]]} -> I
end,
sql_set_privacy_list(ID, RItems),
ok
end,
odbc_queries:sql_transaction(LServer, F).
process_list_set(LUser, LServer, {value, Name}, Els) ->
case parse_items(Els) of
false -> {error, ?ERR_BAD_REQUEST};
remove ->
case remove_privacy_list(LUser, LServer, Name,
gen_mod:db_type(LServer, ?MODULE))
of
{atomic, conflict} -> {error, ?ERR_CONFLICT};
{atomic, ok} ->
ejabberd_sm:route(jlib:make_jid(LUser, LServer,
<<"">>),
jlib:make_jid(LUser, LServer, <<"">>),
{broadcast,
{privacy_list,
#userlist{name = Name,
list = []},
Name}}),
{result, []};
_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
end;
List ->
case set_privacy_list(LUser, LServer, Name, List,
gen_mod:db_type(LServer, ?MODULE))
of
{atomic, ok} ->
NeedDb = is_list_needdb(List),
ejabberd_sm:route(jlib:make_jid(LUser, LServer,
<<"">>),
jlib:make_jid(LUser, LServer, <<"">>),
{broadcast,
{privacy_list,
#userlist{name = Name,
list = List,
needdb = NeedDb},
Name}}),
{result, []};
_ -> {error, ?ERR_INTERNAL_SERVER_ERROR}
end
end;
process_list_set(_LUser, _LServer, false, _Els) ->
{error, ?ERR_BAD_REQUEST}.
parse_items([]) -> remove;
parse_items(Els) -> parse_items(Els, []).
parse_items([], Res) ->
lists:keysort(#listitem.order, Res);
parse_items([#xmlel{name = <<"item">>, attrs = Attrs,
children = SubEls}
| Els],
Res) ->
Type = xml:get_attr(<<"type">>, Attrs),
Value = xml:get_attr(<<"value">>, Attrs),
SAction = xml:get_attr(<<"action">>, Attrs),
SOrder = xml:get_attr(<<"order">>, Attrs),
Action = case catch list_to_action(element(2, SAction))
of
{'EXIT', _} -> false;
Val -> Val
end,
Order = case catch jlib:binary_to_integer(element(2,
SOrder))
of
{'EXIT', _} -> false;
IntVal ->
if IntVal >= 0 -> IntVal;
true -> false
end
end,
if (Action /= false) and (Order /= false) ->
I1 = #listitem{action = Action, order = Order},
I2 = case {Type, Value} of
{{value, T}, {value, V}} ->
case T of
<<"jid">> ->
case jlib:string_to_jid(V) of
error -> false;
JID ->
I1#listitem{type = jid,
value = jlib:jid_tolower(JID)}
end;
<<"group">> -> I1#listitem{type = group, value = V};
<<"subscription">> ->
case V of
<<"none">> ->
I1#listitem{type = subscription,
value = none};
<<"both">> ->
I1#listitem{type = subscription,
value = both};
<<"from">> ->
I1#listitem{type = subscription,
value = from};
<<"to">> ->
I1#listitem{type = subscription, value = to};
_ -> false
end
end;
{{value, _}, false} -> false;
_ -> I1
end,
case I2 of
false -> false;
_ ->
case parse_matches(I2, xml:remove_cdata(SubEls)) of
false -> false;
I3 -> parse_items(Els, [I3 | Res])
end
end;
true -> false
end;
parse_items(_, _Res) -> false.
parse_matches(Item, []) ->
Item#listitem{match_all = true};
parse_matches(Item, Els) -> parse_matches1(Item, Els).
parse_matches1(Item, []) -> Item;
parse_matches1(Item,
[#xmlel{name = <<"message">>} | Els]) ->
parse_matches1(Item#listitem{match_message = true},
Els);
parse_matches1(Item, [#xmlel{name = <<"iq">>} | Els]) ->
parse_matches1(Item#listitem{match_iq = true}, Els);
parse_matches1(Item,
[#xmlel{name = <<"presence-in">>} | Els]) ->
parse_matches1(Item#listitem{match_presence_in = true},
Els);
parse_matches1(Item,
[#xmlel{name = <<"presence-out">>} | Els]) ->
parse_matches1(Item#listitem{match_presence_out = true},
Els);
parse_matches1(_Item, [#xmlel{} | _Els]) -> false.
is_list_needdb(Items) ->
lists:any(fun (X) ->
case X#listitem.type of
subscription -> true;
group -> true;
_ -> false
end
end,
Items).
get_user_list(Acc, User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
{Default, Items} = get_user_list(Acc, LUser, LServer,
gen_mod:db_type(LServer, ?MODULE)),
NeedDb = is_list_needdb(Items),
#userlist{name = Default, list = Items,
needdb = NeedDb}.
get_user_list(_, LUser, LServer, mnesia) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer})
of
[] -> {none, []};
[#privacy{default = Default, lists = Lists}] ->
case Default of
none -> {none, []};
_ ->
case lists:keysearch(Default, 1, Lists) of
{value, {_, List}} -> {Default, List};
_ -> {none, []}
end
end;
_ -> {none, []}
end;
get_user_list(_, LUser, LServer, riak) ->
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{default = Default, lists = Lists}} ->
case Default of
none -> {none, []};
_ ->
case lists:keysearch(Default, 1, Lists) of
{value, {_, List}} -> {Default, List};
_ -> {none, []}
end
end;
{error, _} ->
{none, []}
end;
get_user_list(_, LUser, LServer, odbc) ->
case catch sql_get_default_privacy_list(LUser, LServer)
of
{selected, [<<"name">>], []} -> {none, []};
{selected, [<<"name">>], [[Default]]} ->
case catch sql_get_privacy_list_data(LUser, LServer,
Default)
of
{selected,
[<<"t">>, <<"value">>, <<"action">>, <<"ord">>,
<<"match_all">>, <<"match_iq">>, <<"match_message">>,
<<"match_presence_in">>, <<"match_presence_out">>],
RItems} ->
{Default, lists:flatmap(fun raw_to_item/1, RItems)};
_ -> {none, []}
end;
_ -> {none, []}
end.
get_user_lists(User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
get_user_lists(LUser, LServer, gen_mod:db_type(LServer, ?MODULE)).
get_user_lists(LUser, LServer, mnesia) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer}) of
[#privacy{} = P] ->
{ok, P};
_ ->
error
end;
get_user_lists(LUser, LServer, riak) ->
case ejabberd_riak:get(privacy, privacy_schema(), {LUser, LServer}) of
{ok, #privacy{} = P} ->
{ok, P};
{error, _} ->
error
end;
get_user_lists(LUser, LServer, odbc) ->
Default = case catch sql_get_default_privacy_list(LUser, LServer) of
{selected, [<<"name">>], []} ->
none;
{selected, [<<"name">>], [[DefName]]} ->
DefName;
_ ->
none
end,
case catch sql_get_privacy_list_names(LUser, LServer) of
{selected, [<<"name">>], Names} ->
Lists =
lists:flatmap(
fun([Name]) ->
case catch sql_get_privacy_list_data(
LUser, LServer, Name) of
{selected,
[<<"t">>, <<"value">>, <<"action">>,
<<"ord">>, <<"match_all">>, <<"match_iq">>,
<<"match_message">>, <<"match_presence_in">>,
<<"match_presence_out">>],
RItems} ->
[{Name, lists:flatmap(fun raw_to_item/1, RItems)}];
_ ->
[]
end
end, Names),
{ok, #privacy{default = Default,
us = {LUser, LServer},
lists = Lists}};
_ ->
error
end.
%% From is the sender, To is the destination.
%% If Dir = out, User@Server is the sender account (From).
%% If Dir = in, User@Server is the destination account (To).
check_packet(_, _User, _Server, _UserList,
{#jid{luser = <<"">>, lserver = Server} = _From,
#jid{lserver = Server} = _To, _},
in) ->
allow;
check_packet(_, _User, _Server, _UserList,
{#jid{lserver = Server} = _From,
#jid{luser = <<"">>, lserver = Server} = _To, _},
out) ->
allow;
check_packet(_, _User, _Server, _UserList,
{#jid{luser = User, lserver = Server} = _From,
#jid{luser = User, lserver = Server} = _To, _},
_Dir) ->
allow;
check_packet(_, User, Server,
#userlist{list = List, needdb = NeedDb},
{From, To, #xmlel{name = PName, attrs = Attrs}}, Dir) ->
case List of
[] -> allow;
_ ->
PType = case PName of
<<"message">> -> message;
<<"iq">> -> iq;
<<"presence">> ->
case xml:get_attr_s(<<"type">>, Attrs) of
%% notification
<<"">> -> presence;
<<"unavailable">> -> presence;
%% subscribe, subscribed, unsubscribe,
%% unsubscribed, error, probe, or other
_ -> other
end
end,
PType2 = case {PType, Dir} of
{message, in} -> message;
{iq, in} -> iq;
{presence, in} -> presence_in;
{presence, out} -> presence_out;
{_, _} -> other
end,
LJID = case Dir of
in -> jlib:jid_tolower(From);
out -> jlib:jid_tolower(To)
end,
{Subscription, Groups} = case NeedDb of
true ->
ejabberd_hooks:run_fold(roster_get_jid_info,
jlib:nameprep(Server),
{none, []},
[User, Server,
LJID]);
false -> {[], []}
end,
check_packet_aux(List, PType2, LJID, Subscription,
Groups)
end.
%% Ptype = mesage | iq | presence_in | presence_out | other
check_packet_aux([], _PType, _JID, _Subscription,
_Groups) ->
allow;
check_packet_aux([Item | List], PType, JID,
Subscription, Groups) ->
#listitem{type = Type, value = Value, action = Action} =
Item,
case is_ptype_match(Item, PType) of
true ->
case Type of
none -> Action;
_ ->
case is_type_match(Type, Value, JID, Subscription,
Groups)
of
true -> Action;
false ->
check_packet_aux(List, PType, JID, Subscription, Groups)
end
end;
false ->
check_packet_aux(List, PType, JID, Subscription, Groups)
end.
is_ptype_match(Item, PType) ->
case Item#listitem.match_all of
true -> true;
false ->
case PType of
message -> Item#listitem.match_message;
iq -> Item#listitem.match_iq;
presence_in -> Item#listitem.match_presence_in;
presence_out -> Item#listitem.match_presence_out;
other -> false
end
end.
is_type_match(Type, Value, JID, Subscription, Groups) ->
case Type of
jid ->
case Value of
{<<"">>, Server, <<"">>} ->
case JID of
{_, Server, _} -> true;
_ -> false
end;
{User, Server, <<"">>} ->
case JID of
{User, Server, _} -> true;
_ -> false
end;
_ -> Value == JID
end;
subscription -> Value == Subscription;
group -> lists:member(Value, Groups)
end.
remove_user(User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
remove_user(LUser, LServer,
gen_mod:db_type(LServer, ?MODULE)).
remove_user(LUser, LServer, mnesia) ->
F = fun () -> mnesia:delete({privacy, {LUser, LServer}})
end,
mnesia:transaction(F);
remove_user(LUser, LServer, riak) ->
{atomic, ejabberd_riak:delete(privacy, {LUser, LServer})};
remove_user(LUser, LServer, odbc) ->
sql_del_privacy_lists(LUser, LServer).
updated_list(_, #userlist{name = OldName} = Old,
#userlist{name = NewName} = New) ->
if OldName == NewName -> New;
true -> Old
end.
raw_to_item([SType, SValue, SAction, SOrder, SMatchAll,
SMatchIQ, SMatchMessage, SMatchPresenceIn,
SMatchPresenceOut] = Row) ->
try
{Type, Value} = case SType of
<<"n">> -> {none, none};
<<"j">> ->
case jlib:string_to_jid(SValue) of
#jid{} = JID ->
{jid, jlib:jid_tolower(JID)}
end;
<<"g">> -> {group, SValue};
<<"s">> ->
case SValue of
<<"none">> -> {subscription, none};
<<"both">> -> {subscription, both};
<<"from">> -> {subscription, from};
<<"to">> -> {subscription, to}
end
end,
Action = case SAction of
<<"a">> -> allow;
<<"d">> -> deny
end,
Order = jlib:binary_to_integer(SOrder),
MatchAll = ejabberd_odbc:to_bool(SMatchAll),
MatchIQ = ejabberd_odbc:to_bool(SMatchIQ),
MatchMessage = ejabberd_odbc:to_bool(SMatchMessage),
MatchPresenceIn = ejabberd_odbc:to_bool(SMatchPresenceIn),
MatchPresenceOut = ejabberd_odbc:to_bool(SMatchPresenceOut),
[#listitem{type = Type, value = Value, action = Action,
order = Order, match_all = MatchAll, match_iq = MatchIQ,
match_message = MatchMessage,
match_presence_in = MatchPresenceIn,
match_presence_out = MatchPresenceOut}]
catch _:_ ->
?WARNING_MSG("failed to parse row: ~p", [Row]),
[]
end.
item_to_raw(#listitem{type = Type, value = Value,
action = Action, order = Order, match_all = MatchAll,
match_iq = MatchIQ, match_message = MatchMessage,
match_presence_in = MatchPresenceIn,
match_presence_out = MatchPresenceOut}) ->
{SType, SValue} = case Type of
none -> {<<"n">>, <<"">>};
jid ->
{<<"j">>,
ejabberd_odbc:escape(jlib:jid_to_string(Value))};
group -> {<<"g">>, ejabberd_odbc:escape(Value)};
subscription ->
case Value of
none -> {<<"s">>, <<"none">>};
both -> {<<"s">>, <<"both">>};
from -> {<<"s">>, <<"from">>};
to -> {<<"s">>, <<"to">>}
end
end,
SAction = case Action of
allow -> <<"a">>;
deny -> <<"d">>
end,
SOrder = iolist_to_binary(integer_to_list(Order)),
SMatchAll = if MatchAll -> <<"1">>;
true -> <<"0">>
end,
SMatchIQ = if MatchIQ -> <<"1">>;
true -> <<"0">>
end,
SMatchMessage = if MatchMessage -> <<"1">>;
true -> <<"0">>
end,
SMatchPresenceIn = if MatchPresenceIn -> <<"1">>;
true -> <<"0">>
end,
SMatchPresenceOut = if MatchPresenceOut -> <<"1">>;
true -> <<"0">>
end,
[SType, SValue, SAction, SOrder, SMatchAll, SMatchIQ,
SMatchMessage, SMatchPresenceIn, SMatchPresenceOut].
sql_get_default_privacy_list(LUser, LServer) ->
Username = ejabberd_odbc:escape(LUser),
odbc_queries:get_default_privacy_list(LServer,
Username).
sql_get_default_privacy_list_t(LUser) ->
Username = ejabberd_odbc:escape(LUser),
odbc_queries:get_default_privacy_list_t(Username).
sql_get_privacy_list_names(LUser, LServer) ->
Username = ejabberd_odbc:escape(LUser),
odbc_queries:get_privacy_list_names(LServer, Username).
sql_get_privacy_list_names_t(LUser) ->
Username = ejabberd_odbc:escape(LUser),
odbc_queries:get_privacy_list_names_t(Username).
sql_get_privacy_list_id(LUser, LServer, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:get_privacy_list_id(LServer, Username,
SName).
sql_get_privacy_list_id_t(LUser, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:get_privacy_list_id_t(Username, SName).
sql_get_privacy_list_data(LUser, LServer, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:get_privacy_list_data(LServer, Username,
SName).
sql_get_privacy_list_data_t(LUser, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:get_privacy_list_data_t(Username, SName).
sql_get_privacy_list_data_by_id(ID, LServer) ->
odbc_queries:get_privacy_list_data_by_id(LServer, ID).
sql_get_privacy_list_data_by_id_t(ID) ->
odbc_queries:get_privacy_list_data_by_id_t(ID).
sql_set_default_privacy_list(LUser, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:set_default_privacy_list(Username, SName).
sql_unset_default_privacy_list(LUser, LServer) ->
Username = ejabberd_odbc:escape(LUser),
odbc_queries:unset_default_privacy_list(LServer,
Username).
sql_remove_privacy_list(LUser, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:remove_privacy_list(Username, SName).
sql_add_privacy_list(LUser, Name) ->
Username = ejabberd_odbc:escape(LUser),
SName = ejabberd_odbc:escape(Name),
odbc_queries:add_privacy_list(Username, SName).
sql_set_privacy_list(ID, RItems) ->
odbc_queries:set_privacy_list(ID, RItems).
sql_del_privacy_lists(LUser, LServer) ->
Username = ejabberd_odbc:escape(LUser),
Server = ejabberd_odbc:escape(LServer),
odbc_queries:del_privacy_lists(LServer, Server,
Username).
update_table() ->
Fields = record_info(fields, privacy),
case mnesia:table_info(privacy, attributes) of
Fields ->
ejabberd_config:convert_table_to_binary(
privacy, Fields, set,
fun(#privacy{us = {U, _}}) -> U end,
fun(#privacy{us = {U, S}, default = Def, lists = Lists} = R) ->
NewLists =
lists:map(
fun({Name, Ls}) ->
NewLs =
lists:map(
fun(#listitem{value = Val} = L) ->
NewVal =
case Val of
{LU, LS, LR} ->
{iolist_to_binary(LU),
iolist_to_binary(LS),
iolist_to_binary(LR)};
none -> none;
both -> both;
from -> from;
to -> to;
_ -> iolist_to_binary(Val)
end,
L#listitem{value = NewVal}
end, Ls),
{iolist_to_binary(Name), NewLs}
end, Lists),
NewDef = case Def of
none -> none;
_ -> iolist_to_binary(Def)
end,
NewUS = {iolist_to_binary(U), iolist_to_binary(S)},
R#privacy{us = NewUS, default = NewDef,
lists = NewLists}
end);
_ ->
?INFO_MSG("Recreating privacy table", []),
mnesia:transform_table(privacy, ignore, Fields)
end.
export(Server) ->
case ejabberd_odbc:sql_query(jlib:nameprep(Server),
[<<"select id from privacy_list order by "
"id desc limit 1;">>]) of
{selected, [<<"id">>], [[I]]} ->
put(id, jlib:binary_to_integer(I));
_ ->
put(id, 0)
end,
[{privacy,
fun(Host, #privacy{us = {LUser, LServer}, lists = Lists,
default = Default})
when LServer == Host ->
Username = ejabberd_odbc:escape(LUser),
if Default /= none ->
SDefault = ejabberd_odbc:escape(Default),
[[<<"delete from privacy_default_list where ">>,
<<"username='">>, Username, <<"';">>],
[<<"insert into privacy_default_list(username, "
"name) ">>,
<<"values ('">>, Username, <<"', '">>,
SDefault, <<"');">>]];
true ->
[]
end ++
lists:flatmap(
fun({Name, List}) ->
SName = ejabberd_odbc:escape(Name),
RItems = lists:map(fun item_to_raw/1, List),
ID = jlib:integer_to_binary(get_id()),
[[<<"delete from privacy_list where username='">>,
Username, <<"' and name='">>,
SName, <<"';">>],
[<<"insert into privacy_list(username, "
"name, id) values ('">>,
Username, <<"', '">>, SName,
<<"', '">>, ID, <<"');">>],
[<<"delete from privacy_list_data where "
"id='">>, ID, <<"';">>]] ++
[[<<"insert into privacy_list_data(id, t, "
"value, action, ord, match_all, match_iq, "
"match_message, match_presence_in, "
"match_presence_out) values ('">>,
ID, <<"', '">>, str:join(Items, <<"', '">>),
<<"');">>] || Items <- RItems]
end,
Lists);
(_Host, _R) ->
[]
end}].
get_id() ->
ID = get(id),
put(id, ID + 1),
ID + 1.
import(LServer) ->
[{<<"select username from privacy_list;">>,
fun([LUser]) ->
Default = case sql_get_default_privacy_list_t(LUser) of
{selected, [<<"name">>], []} ->
none;
{selected, [<<"name">>], [[DefName]]} ->
DefName;
_ ->
none
end,
{selected, [<<"name">>], Names} =
sql_get_privacy_list_names_t(LUser),
Lists = lists:flatmap(
fun([Name]) ->
case sql_get_privacy_list_data_t(LUser, Name) of
{selected, _, RItems} ->
[{Name,
lists:map(fun raw_to_item/1,
RItems)}];
_ ->
[]
end
end, Names),
#privacy{default = Default,
us = {LUser, LServer},
lists = Lists}
end}].
import(_LServer, mnesia, #privacy{} = P) ->
mnesia:dirty_write(P);
import(_LServer, riak, #privacy{} = P) ->
ejabberd_riak:put(P, privacy_schema());
import(_, _, _) ->
pass.
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