mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-22 16:20:52 +01:00
299 lines
9.7 KiB
Erlang
299 lines
9.7 KiB
Erlang
%%%-------------------------------------------------------------------
|
|
%%% File : mod_roster_mnesia.erl
|
|
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
|
|
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2019 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_roster_mnesia).
|
|
|
|
-behaviour(mod_roster).
|
|
|
|
%% API
|
|
-export([init/2, read_roster_version/2, write_roster_version/4,
|
|
get_roster/2, get_roster_item/3, roster_subscribe/4,
|
|
remove_user/2, update_roster/4, del_roster/3, transaction/2,
|
|
read_subscription_and_groups/3, import/3, create_roster/1,
|
|
process_rosteritems/5,
|
|
use_cache/2]).
|
|
-export([need_transform/1, transform/1]).
|
|
|
|
-include("mod_roster.hrl").
|
|
-include("logger.hrl").
|
|
-include("xmpp.hrl").
|
|
|
|
%%%===================================================================
|
|
%%% API
|
|
%%%===================================================================
|
|
init(_Host, _Opts) ->
|
|
ejabberd_mnesia:create(?MODULE, roster,
|
|
[{disc_only_copies, [node()]},
|
|
{attributes, record_info(fields, roster)},
|
|
{index, [us]}]),
|
|
ejabberd_mnesia:create(?MODULE, roster_version,
|
|
[{disc_only_copies, [node()]},
|
|
{attributes,
|
|
record_info(fields, roster_version)}]).
|
|
|
|
use_cache(Host, Table) ->
|
|
case mnesia:table_info(Table, storage_type) of
|
|
disc_only_copies ->
|
|
mod_roster_opt:use_cache(Host);
|
|
_ ->
|
|
false
|
|
end.
|
|
|
|
read_roster_version(LUser, LServer) ->
|
|
US = {LUser, LServer},
|
|
case mnesia:dirty_read(roster_version, US) of
|
|
[#roster_version{version = V}] -> {ok, V};
|
|
[] -> error
|
|
end.
|
|
|
|
write_roster_version(LUser, LServer, InTransaction, Ver) ->
|
|
US = {LUser, LServer},
|
|
if InTransaction ->
|
|
mnesia:write(#roster_version{us = US, version = Ver});
|
|
true ->
|
|
mnesia:dirty_write(#roster_version{us = US, version = Ver})
|
|
end.
|
|
|
|
get_roster(LUser, LServer) ->
|
|
{ok, mnesia:dirty_index_read(roster, {LUser, LServer}, #roster.us)}.
|
|
|
|
get_roster_item(LUser, LServer, LJID) ->
|
|
case mnesia:read({roster, {LUser, LServer, LJID}}) of
|
|
[I] -> {ok, I};
|
|
[] -> error
|
|
end.
|
|
|
|
roster_subscribe(_LUser, _LServer, _LJID, Item) ->
|
|
mnesia:write(Item).
|
|
|
|
remove_user(LUser, LServer) ->
|
|
US = {LUser, LServer},
|
|
F = fun () ->
|
|
lists:foreach(
|
|
fun (R) -> mnesia:delete_object(R) end,
|
|
mnesia:index_read(roster, US, #roster.us))
|
|
end,
|
|
mnesia:transaction(F).
|
|
|
|
update_roster(_LUser, _LServer, _LJID, Item) ->
|
|
mnesia:write(Item).
|
|
|
|
del_roster(LUser, LServer, LJID) ->
|
|
mnesia:delete({roster, {LUser, LServer, LJID}}).
|
|
|
|
read_subscription_and_groups(LUser, LServer, LJID) ->
|
|
case mnesia:dirty_read(roster, {LUser, LServer, LJID}) of
|
|
[#roster{subscription = Subscription, ask = Ask, groups = Groups}] ->
|
|
{ok, {Subscription, Ask, Groups}};
|
|
_ ->
|
|
error
|
|
end.
|
|
|
|
transaction(_LServer, F) ->
|
|
mnesia:transaction(F).
|
|
|
|
create_roster(RItem) ->
|
|
mnesia:dirty_write(RItem).
|
|
|
|
import(_LServer, <<"rosterusers">>, #roster{} = R) ->
|
|
mnesia:dirty_write(R);
|
|
import(LServer, <<"roster_version">>, [LUser, Ver]) ->
|
|
RV = #roster_version{us = {LUser, LServer}, version = Ver},
|
|
mnesia:dirty_write(RV).
|
|
|
|
need_transform({roster, {U, S, _}, _, _, _, _, _, _, _, _})
|
|
when is_list(U) orelse is_list(S) ->
|
|
?INFO_MSG("Mnesia table 'roster' will be converted to binary", []),
|
|
true;
|
|
need_transform({roster_version, {U, S}, Ver})
|
|
when is_list(U) orelse is_list(S) orelse is_list(Ver) ->
|
|
?INFO_MSG("Mnesia table 'roster_version' will be converted to binary", []),
|
|
true;
|
|
need_transform(_) ->
|
|
false.
|
|
|
|
transform(#roster{usj = {U, S, {LU, LS, LR}},
|
|
us = {U1, S1},
|
|
jid = {U2, S2, R2},
|
|
name = Name,
|
|
groups = Gs,
|
|
askmessage = Ask,
|
|
xs = Xs} = R) ->
|
|
R#roster{usj = {iolist_to_binary(U), iolist_to_binary(S),
|
|
{iolist_to_binary(LU),
|
|
iolist_to_binary(LS),
|
|
iolist_to_binary(LR)}},
|
|
us = {iolist_to_binary(U1), iolist_to_binary(S1)},
|
|
jid = {iolist_to_binary(U2),
|
|
iolist_to_binary(S2),
|
|
iolist_to_binary(R2)},
|
|
name = iolist_to_binary(Name),
|
|
groups = [iolist_to_binary(G) || G <- Gs],
|
|
askmessage = try iolist_to_binary(Ask)
|
|
catch _:_ -> <<"">> end,
|
|
xs = [fxml:to_xmlel(X) || X <- Xs]};
|
|
transform(#roster_version{us = {U, S}, version = Ver} = R) ->
|
|
R#roster_version{us = {iolist_to_binary(U), iolist_to_binary(S)},
|
|
version = iolist_to_binary(Ver)}.
|
|
|
|
%%%===================================================================
|
|
|
|
process_rosteritems(ActionS, SubsS, AsksS, UsersS, ContactsS) ->
|
|
Action = case ActionS of
|
|
"list" -> list;
|
|
"delete" -> delete
|
|
end,
|
|
Subs = lists:foldl(
|
|
fun(any, _) -> [none, from, to, both];
|
|
(Sub, Subs) -> [Sub | Subs]
|
|
end,
|
|
[],
|
|
[list_to_atom(S) || S <- string:tokens(SubsS, ":")]
|
|
),
|
|
Asks = lists:foldl(
|
|
fun(any, _) -> [none, out, in];
|
|
(Ask, Asks) -> [Ask | Asks]
|
|
end,
|
|
[],
|
|
[list_to_atom(S) || S <- string:tokens(AsksS, ":")]
|
|
),
|
|
Users = lists:foldl(
|
|
fun("any", _) -> ["*", "*@*"];
|
|
(U, Us) -> [U | Us]
|
|
end,
|
|
[],
|
|
[S || S <- string:tokens(UsersS, ":")]
|
|
),
|
|
Contacts = lists:foldl(
|
|
fun("any", _) -> ["*", "*@*"];
|
|
(U, Us) -> [U | Us]
|
|
end,
|
|
[],
|
|
[S || S <- string:tokens(ContactsS, ":")]
|
|
),
|
|
rosteritem_purge({Action, Subs, Asks, Users, Contacts}).
|
|
|
|
%% @spec ({Action::atom(), Subs::[atom()], Asks::[atom()], User::string(), Contact::string()}) -> {atomic, ok}
|
|
rosteritem_purge(Options) ->
|
|
Num_rosteritems = mnesia:table_info(roster, size),
|
|
io:format("There are ~p roster items in total.~n", [Num_rosteritems]),
|
|
Key = mnesia:dirty_first(roster),
|
|
rip(Key, Options, {0, Num_rosteritems, 0, 0}, []).
|
|
|
|
rip('$end_of_table', _Options, Counters, Res) ->
|
|
print_progress_line(Counters),
|
|
Res;
|
|
rip(Key, Options, {Pr, NT, NV, ND}, Res) ->
|
|
Key_next = mnesia:dirty_next(roster, Key),
|
|
{Action, _, _, _, _} = Options,
|
|
{ND2, Res2} = case decide_rip(Key, Options) of
|
|
true ->
|
|
Jids = apply_action(Action, Key),
|
|
{ND+1, [Jids | Res]};
|
|
false ->
|
|
{ND, Res}
|
|
end,
|
|
NV2 = NV+1,
|
|
Pr2 = print_progress_line({Pr, NT, NV2, ND2}),
|
|
rip(Key_next, Options, {Pr2, NT, NV2, ND2}, Res2).
|
|
|
|
apply_action(list, Key) ->
|
|
{User, Server, JID} = Key,
|
|
{RUser, RServer, _} = JID,
|
|
Jid1string = <<User/binary, "@", Server/binary>>,
|
|
Jid2string = <<RUser/binary, "@", RServer/binary>>,
|
|
io:format("Matches: ~ts ~ts~n", [Jid1string, Jid2string]),
|
|
{Jid1string, Jid2string};
|
|
apply_action(delete, Key) ->
|
|
R = apply_action(list, Key),
|
|
mnesia:dirty_delete(roster, Key),
|
|
R.
|
|
|
|
print_progress_line({_Pr, 0, _NV, _ND}) ->
|
|
ok;
|
|
print_progress_line({Pr, NT, NV, ND}) ->
|
|
Pr2 = trunc((NV/NT)*100),
|
|
case Pr == Pr2 of
|
|
true ->
|
|
ok;
|
|
false ->
|
|
io:format("Progress ~p% - visited ~p - deleted ~p~n", [Pr2, NV, ND])
|
|
end,
|
|
Pr2.
|
|
|
|
decide_rip(Key, {_Action, Subs, Asks, User, Contact}) ->
|
|
case catch mnesia:dirty_read(roster, Key) of
|
|
[RI] ->
|
|
lists:member(RI#roster.subscription, Subs)
|
|
andalso lists:member(RI#roster.ask, Asks)
|
|
andalso decide_rip_jid(RI#roster.us, User)
|
|
andalso decide_rip_jid(RI#roster.jid, Contact);
|
|
_ ->
|
|
false
|
|
end.
|
|
|
|
%% Returns true if the server of the JID is included in the servers
|
|
decide_rip_jid({UName, UServer, _UResource}, Match_list) ->
|
|
decide_rip_jid({UName, UServer}, Match_list);
|
|
decide_rip_jid({UName, UServer}, Match_list) ->
|
|
lists:any(
|
|
fun(Match_string) ->
|
|
MJID = jid:decode(list_to_binary(Match_string)),
|
|
MName = MJID#jid.luser,
|
|
MServer = MJID#jid.lserver,
|
|
Is_server = is_glob_match(UServer, MServer),
|
|
case MName of
|
|
<<>> when UName == <<>> ->
|
|
Is_server;
|
|
<<>> ->
|
|
false;
|
|
_ ->
|
|
Is_server
|
|
andalso is_glob_match(UName, MName)
|
|
end
|
|
end,
|
|
Match_list).
|
|
|
|
%% Copied from ejabberd-2.0.0/src/acl.erl
|
|
is_regexp_match(String, RegExp) ->
|
|
case ejabberd_regexp:run(String, RegExp) of
|
|
nomatch ->
|
|
false;
|
|
match ->
|
|
true;
|
|
{error, ErrDesc} ->
|
|
io:format(
|
|
"Wrong regexp ~p in ACL: ~p",
|
|
[RegExp, ErrDesc]),
|
|
false
|
|
end.
|
|
is_glob_match(String, <<"!", Glob/binary>>) ->
|
|
not is_regexp_match(String, ejabberd_regexp:sh_to_awk(Glob));
|
|
is_glob_match(String, Glob) ->
|
|
is_regexp_match(String, ejabberd_regexp:sh_to_awk(Glob)).
|
|
|
|
%%%===================================================================
|
|
%%% Internal functions
|
|
%%%===================================================================
|