25
1
mirror of https://github.com/processone/ejabberd.git synced 2024-11-26 16:26:24 +01:00
xmpp.chapril.org-ejabberd/src/mod_privacy_sql.erl
2016-05-05 15:51:58 +03:00

397 lines
14 KiB
Erlang

%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2016, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 14 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(mod_privacy_sql).
-compile([{parse_transform, ejabberd_sql_pt}]).
-behaviour(mod_privacy).
%% API
-export([init/2, process_lists_get/2, process_list_get/3,
process_default_set/3, process_active_set/3,
remove_privacy_list/3, set_privacy_list/1,
set_privacy_list/4, get_user_list/2, get_user_lists/2,
remove_user/2, import/1, import/2, export/1]).
-export([item_to_raw/1, raw_to_item/1,
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]).
-include("jlib.hrl").
-include("mod_privacy.hrl").
-include("logger.hrl").
-include("ejabberd_sql_pt.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
process_lists_get(LUser, LServer) ->
Default = case catch sql_get_default_privacy_list(LUser, LServer) of
{selected, []} -> none;
{selected, [{DefName}]} -> DefName;
_ -> none
end,
case catch sql_get_privacy_list_names(LUser, LServer) of
{selected, Names} ->
LItems = lists:map(fun ({N}) ->
#xmlel{name = <<"list">>,
attrs = [{<<"name">>, N}],
children = []}
end,
Names),
{Default, LItems};
_ -> error
end.
process_list_get(LUser, LServer, Name) ->
case catch sql_get_privacy_list_id(LUser, LServer, Name) of
{selected, []} -> not_found;
{selected, [{ID}]} ->
case catch sql_get_privacy_list_data_by_id(ID, LServer) of
{selected, RItems} ->
lists:flatmap(fun raw_to_item/1, RItems);
_ -> error
end;
_ -> error
end.
process_default_set(LUser, LServer, {value, Name}) ->
F = fun () ->
case sql_get_privacy_list_names_t(LUser) of
{selected, []} -> not_found;
{selected, Names} ->
case lists:member({Name}, Names) of
true -> sql_set_default_privacy_list(LUser, Name), ok;
false -> not_found
end
end
end,
sql_queries:sql_transaction(LServer, F);
process_default_set(LUser, LServer, false) ->
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, Name) ->
case catch sql_get_privacy_list_id(LUser, LServer, Name) of
{selected, []} -> error;
{selected, [{ID}]} ->
case catch sql_get_privacy_list_data_by_id(ID, LServer) of
{selected, RItems} ->
lists:flatmap(fun raw_to_item/1, RItems);
_ -> error
end;
_ -> error
end.
remove_privacy_list(LUser, LServer, Name) ->
F = fun () ->
case sql_get_default_privacy_list_t(LUser) of
{selected, []} ->
sql_remove_privacy_list(LUser, Name), ok;
{selected, [{Default}]} ->
if Name == Default -> conflict;
true -> sql_remove_privacy_list(LUser, Name), ok
end
end
end,
sql_queries:sql_transaction(LServer, F).
set_privacy_list(#privacy{us = {LUser, LServer},
default = Default,
lists = Lists}) ->
F = fun() ->
lists:foreach(
fun({Name, List}) ->
sql_add_privacy_list(LUser, Name),
{selected, [<<"id">>], [[I]]} =
sql_get_privacy_list_id_t(LUser, Name),
RItems = lists:map(fun item_to_raw/1, List),
sql_set_privacy_list(I, RItems),
if is_binary(Default) ->
sql_set_default_privacy_list(LUser, Default),
ok;
true ->
ok
end
end, Lists)
end,
sql_queries:sql_transaction(LServer, F).
set_privacy_list(LUser, LServer, Name, List) ->
RItems = lists:map(fun item_to_raw/1, List),
F = fun () ->
ID = case sql_get_privacy_list_id_t(LUser, Name) of
{selected, []} ->
sql_add_privacy_list(LUser, Name),
{selected, [{I}]} =
sql_get_privacy_list_id_t(LUser, Name),
I;
{selected, [{I}]} -> I
end,
sql_set_privacy_list(ID, RItems),
ok
end,
sql_queries:sql_transaction(LServer, F).
get_user_list(LUser, LServer) ->
case catch sql_get_default_privacy_list(LUser, LServer)
of
{selected, []} -> {none, []};
{selected, [{Default}]} ->
case catch sql_get_privacy_list_data(LUser, LServer,
Default) of
{selected, RItems} ->
{Default, lists:flatmap(fun raw_to_item/1, RItems)};
_ -> {none, []}
end;
_ -> {none, []}
end.
get_user_lists(LUser, LServer) ->
Default = case catch sql_get_default_privacy_list(LUser, LServer) of
{selected, []} ->
none;
{selected, [{DefName}]} ->
DefName;
_ ->
none
end,
case catch sql_get_privacy_list_names(LUser, LServer) of
{selected, Names} ->
Lists =
lists:flatmap(
fun({Name}) ->
case catch sql_get_privacy_list_data(
LUser, LServer, Name) of
{selected, RItems} ->
[{Name, lists:flatmap(fun raw_to_item/1, RItems)}];
_ ->
[]
end
end, Names),
{ok, #privacy{default = Default,
us = {LUser, LServer},
lists = Lists}};
_ ->
error
end.
remove_user(LUser, LServer) ->
sql_del_privacy_lists(LUser, LServer).
export(Server) ->
case catch ejabberd_sql:sql_query(jid: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 ->
if Default /= none ->
[?SQL("delete from privacy_default_list where"
" username=%(LUser)s;"),
?SQL("insert into privacy_default_list(username, name) "
"values (%(LUser)s, %(Default)s);")];
true ->
[]
end ++
lists:flatmap(
fun({Name, List}) ->
RItems = lists:map(fun item_to_raw/1, List),
ID = get_id(),
[?SQL("delete from privacy_list where"
" username=%(LUser)s and"
" name=%(Name)s;"),
?SQL("insert into privacy_list(username, "
"name, id) values ("
"%(LUser)s, %(Name)s, %(ID)d);"),
?SQL("delete from privacy_list_data where"
" id=%(ID)d;")] ++
[?SQL("insert into privacy_list_data(id, t, "
"value, action, ord, match_all, match_iq, "
"match_message, match_presence_in, "
"match_presence_out) "
"values (%(ID)d, %(SType)s, %(SValue)s, %(SAction)s,"
" %(Order)d, %(MatchAll)b, %(MatchIQ)b,"
" %(MatchMessage)b, %(MatchPresenceIn)b,"
" %(MatchPresenceOut)b)")
|| {SType, SValue, SAction, Order,
MatchAll, MatchIQ,
MatchMessage, MatchPresenceIn,
MatchPresenceOut} <- 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(_, _) ->
pass.
%%%===================================================================
%%% Internal functions
%%%===================================================================
raw_to_item({SType, SValue, SAction, Order, MatchAll,
MatchIQ, MatchMessage, MatchPresenceIn,
MatchPresenceOut} = Row) ->
try
{Type, Value} = case SType of
<<"n">> -> {none, none};
<<"j">> ->
case jid:from_string(SValue) of
#jid{} = JID ->
{jid, 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,
[#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">>, jid:to_string(Value)};
group -> {<<"g">>, 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,
{SType, SValue, SAction, Order, MatchAll, MatchIQ,
MatchMessage, MatchPresenceIn, MatchPresenceOut}.
sql_get_default_privacy_list(LUser, LServer) ->
sql_queries:get_default_privacy_list(LServer, LUser).
sql_get_default_privacy_list_t(LUser) ->
sql_queries:get_default_privacy_list_t(LUser).
sql_get_privacy_list_names(LUser, LServer) ->
sql_queries:get_privacy_list_names(LServer, LUser).
sql_get_privacy_list_names_t(LUser) ->
sql_queries:get_privacy_list_names_t(LUser).
sql_get_privacy_list_id(LUser, LServer, Name) ->
sql_queries:get_privacy_list_id(LServer, LUser, Name).
sql_get_privacy_list_id_t(LUser, Name) ->
sql_queries:get_privacy_list_id_t(LUser, Name).
sql_get_privacy_list_data(LUser, LServer, Name) ->
sql_queries:get_privacy_list_data(LServer, LUser, Name).
sql_get_privacy_list_data_t(LUser, Name) ->
sql_queries:get_privacy_list_data_t(LUser, Name).
sql_get_privacy_list_data_by_id(ID, LServer) ->
sql_queries:get_privacy_list_data_by_id(LServer, ID).
sql_get_privacy_list_data_by_id_t(ID) ->
sql_queries:get_privacy_list_data_by_id_t(ID).
sql_set_default_privacy_list(LUser, Name) ->
sql_queries:set_default_privacy_list(LUser, Name).
sql_unset_default_privacy_list(LUser, LServer) ->
sql_queries:unset_default_privacy_list(LServer, LUser).
sql_remove_privacy_list(LUser, Name) ->
sql_queries:remove_privacy_list(LUser, Name).
sql_add_privacy_list(LUser, Name) ->
sql_queries:add_privacy_list(LUser, Name).
sql_set_privacy_list(ID, RItems) ->
sql_queries:set_privacy_list(ID, RItems).
sql_del_privacy_lists(LUser, LServer) ->
sql_queries:del_privacy_lists(LServer, LUser).