%%%-------------------------------------------------------------------
%%% File : prosody2ejabberd.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 20 Jan 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 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(prosody2ejabberd).
%% API
-export([from_dir/1]).
-include("ejabberd.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
-include("mod_roster.hrl").
-include("mod_offline.hrl").
-include("mod_privacy.hrl").
%%%===================================================================
%%% API
%%%===================================================================
from_dir(ProsodyDir) ->
case file:list_dir(ProsodyDir) of
{ok, HostDirs} ->
lists:foreach(
fun(HostDir) ->
Host = list_to_binary(HostDir),
lists:foreach(
fun(SubDir) ->
Path = filename:join(
[ProsodyDir, HostDir, SubDir]),
convert_dir(Path, Host, SubDir)
end, ["vcard", "accounts", "roster",
"private", "config", "offline",
"privacy"])
end, HostDirs);
{error, Why} = Err ->
?ERROR_MSG("failed to list ~s: ~s",
[ProsodyDir, file:format_error(Why)]),
Err
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
convert_dir(Path, Host, Type) ->
case file:list_dir(Path) of
{ok, Files} ->
lists:foreach(
fun(File) ->
FilePath = filename:join(Path, File),
case eval_file(FilePath) of
{ok, Data} ->
Name = iolist_to_binary(filename:rootname(File)),
convert_data(Host, Type, Name, Data);
Err ->
Err
end
end, Files);
{error, enoent} ->
ok;
{error, Why} = Err ->
?ERROR_MSG("failed to list ~s: ~s",
[Path, file:format_error(Why)]),
Err
end.
eval_file(Path) ->
case file:read_file(Path) of
{ok, Data} ->
State0 = luerl:init(),
State1 = luerl:set_table([item],
fun([X], State) -> {[X], State} end,
State0),
NewData = case filename:extension(Path) of
".list" ->
<<"return {", Data/binary, "};">>;
_ ->
Data
end,
case luerl:eval(NewData, State1) of
{ok, _} = Res ->
Res;
{error, Why} = Err ->
?ERROR_MSG("failed to eval ~s: ~p", [Path, Why]),
Err
end;
{error, Why} = Err ->
?ERROR_MSG("failed to read file ~s: ~s",
[Path, file:format_error(Why)]),
Err
end.
convert_data(Host, "accounts", User, [Data]) ->
Password = proplists:get_value(<<"password">>, Data, <<>>),
case ejabberd_auth:try_register(User, Host, Password) of
{atomic, ok} ->
ok;
Err ->
?ERROR_MSG("failed to register user ~s@~s: ~p",
[User, Host, Err]),
Err
end;
convert_data(Host, "roster", User, [Data]) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Host),
Rosters =
lists:flatmap(
fun({<<"pending">>, L}) ->
convert_pending_item(LUser, LServer, L);
({S, L}) when is_binary(S) ->
convert_roster_item(LUser, LServer, S, L);
(_) ->
[]
end, Data),
lists:foreach(fun mod_roster:set_roster/1, Rosters);
convert_data(Host, "private", User, [Data]) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Host),
PrivData = lists:flatmap(
fun({_TagXMLNS, Raw}) ->
case deserialize(Raw) of
[El] ->
XMLNS = fxml:get_tag_attr_s(<<"xmlns">>, El),
[{XMLNS, El}];
_ ->
[]
end
end, Data),
mod_private:set_data(LUser, LServer, PrivData);
convert_data(Host, "vcard", User, [Data]) ->
LServer = jid:nameprep(Host),
case deserialize(Data) of
[VCard] ->
mod_vcard:set_vcard(User, LServer, VCard);
_ ->
ok
end;
convert_data(_Host, "config", _User, [Data]) ->
RoomJID = jid:from_string(proplists:get_value(<<"jid">>, Data, <<"">>)),
Config = proplists:get_value(<<"_data">>, Data, []),
RoomCfg = convert_room_config(Data),
case proplists:get_bool(<<"persistent">>, Config) of
true when RoomJID /= error ->
mod_muc:store_room(?MYNAME, RoomJID#jid.lserver,
RoomJID#jid.luser, RoomCfg);
_ ->
ok
end;
convert_data(Host, "offline", User, [Data]) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Host),
Msgs = lists:flatmap(
fun({_, RawXML}) ->
case deserialize(RawXML) of
[El] -> el_to_offline_msg(LUser, LServer, El);
_ -> []
end
end, Data),
mod_offline:store_offline_msg(
LServer, {LUser, LServer}, Msgs, length(Msgs), infinity);
convert_data(Host, "privacy", User, [Data]) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Host),
Lists = proplists:get_value(<<"lists">>, Data, []),
Priv = #privacy{
us = {LUser, LServer},
default = proplists:get_value(<<"default">>, Data, none),
lists = lists:flatmap(
fun({Name, Vals}) ->
Items = proplists:get_value(<<"items">>, Vals, []),
case lists:map(fun convert_privacy_item/1,
Items) of
[] -> [];
ListItems -> [{Name, ListItems}]
end
end, Lists)},
mod_privacy:set_privacy_list(Priv);
convert_data(_Host, _Type, _User, _Data) ->
ok.
convert_pending_item(LUser, LServer, LuaList) ->
lists:flatmap(
fun({S, true}) ->
case jid:from_string(S) of
#jid{} = J ->
LJID = jid:tolower(J),
[#roster{usj = {LUser, LServer, LJID},
us = {LUser, LServer},
jid = LJID,
ask = in}];
error ->
[]
end;
(_) ->
[]
end, LuaList).
convert_roster_item(LUser, LServer, JIDstring, LuaList) ->
case jid:from_string(JIDstring) of
#jid{} = JID ->
LJID = jid:tolower(JID),
InitR = #roster{usj = {LUser, LServer, LJID},
us = {LUser, LServer},
jid = LJID},
Roster =
lists:foldl(
fun({<<"groups">>, Val}, R) ->
Gs = lists:flatmap(
fun({G, true}) -> [G];
(_) -> []
end, Val),
R#roster{groups = Gs};
({<<"subscription">>, Sub}, R) ->
R#roster{subscription = jlib:binary_to_atom(Sub)};
({<<"ask">>, <<"subscribe">>}, R) ->
R#roster{ask = out};
({<<"name">>, Name}, R) ->
R#roster{name = Name}
end, InitR, LuaList),
[Roster];
error ->
[]
end.
convert_room_affiliations(Data) ->
lists:flatmap(
fun({J, Aff}) ->
case jid:from_string(J) of
#jid{luser = U, lserver = S} ->
[{{U, S, <<>>}, jlib:binary_to_atom(Aff)}];
error ->
[]
end
end, proplists:get_value(<<"_affiliations">>, Data, [])).
convert_room_config(Data) ->
Config = proplists:get_value(<<"_data">>, Data, []),
Pass = case proplists:get_value(<<"password">>, Config, <<"">>) of
<<"">> ->
[];
Password ->
[{password_protected, true},
{password, Password}]
end,
Subj = case jid:from_string(
proplists:get_value(
<<"subject_from">>, Config, <<"">>)) of
#jid{lresource = Nick} when Nick /= <<"">> ->
[{subject, proplists:get_value(<<"subject">>, Config, <<"">>)},
{subject_author, Nick}];
_ ->
[]
end,
Anonymous = case proplists:get_value(<<"whois">>, Config, <<"moderators">>) of
<<"moderators">> -> true;
_ -> false
end,
[{affiliations, convert_room_affiliations(Data)},
{allow_change_subj, proplists:get_bool(<<"changesubject">>, Config)},
{description, proplists:get_value(<<"description">>, Config, <<"">>)},
{members_only, proplists:get_bool(<<"members_only">>, Config)},
{moderated, proplists:get_bool(<<"moderated">>, Config)},
{anonymous, Anonymous}] ++ Pass ++ Subj.
convert_privacy_item({_, Item}) ->
Action = proplists:get_value(<<"action">>, Item, <<"allow">>),
Order = proplists:get_value(<<"order">>, Item, 0),
T = jlib:binary_to_atom(proplists:get_value(<<"type">>, Item, <<"none">>)),
V = proplists:get_value(<<"value">>, Item, <<"">>),
MatchIQ = proplists:get_bool(<<"iq">>, Item),
MatchMsg = proplists:get_bool(<<"message">>, Item),
MatchPresIn = proplists:get_bool(<<"presence-in">>, Item),
MatchPresOut = proplists:get_bool(<<"presence-out">>, Item),
MatchAll = if (MatchIQ == false) and (MatchMsg == false) and
(MatchPresIn == false) and (MatchPresOut == false) ->
true;
true ->
false
end,
{Type, Value} = try case T of
none -> {T, none};
group -> {T, V};
jid -> {T, jid:tolower(jid:from_string(V))};
subscription -> {T, jlib:binary_to_atom(V)}
end
catch _:_ ->
{none, none}
end,
#listitem{type = Type,
value = Value,
action = jlib:binary_to_atom(Action),
order = erlang:trunc(Order),
match_all = MatchAll,
match_iq = MatchIQ,
match_message = MatchMsg,
match_presence_in = MatchPresIn,
match_presence_out = MatchPresOut}.
el_to_offline_msg(LUser, LServer, #xmlel{attrs = Attrs} = El) ->
try xmpp_util:decode_timestamp(
fxml:get_attr_s(<<"stamp">>, Attrs)) of
{_, _, _} = TS ->
Attrs1 = lists:filter(
fun(<<"stamp">>) -> false;
(<<"stamp_legacy">>) -> false;
(_) -> true
end, Attrs),
Packet = El#xmlel{attrs = Attrs1},
case {jid:from_string(fxml:get_attr_s(<<"from">>, Attrs)),
jid:from_string(fxml:get_attr_s(<<"to">>, Attrs))} of
{#jid{} = From, #jid{} = To} ->
[#offline_msg{
us = {LUser, LServer},
timestamp = TS,
expire = never,
from = From,
to = To,
packet = Packet}];
_ ->
[]
end
catch _:{bad_timestamp, _} ->
[]
end.
deserialize(L) ->
deserialize(L, #xmlel{}, []).
deserialize([{<<"attr">>, Attrs}|T], El, Acc) ->
deserialize(T, El#xmlel{attrs = Attrs ++ El#xmlel.attrs}, Acc);
deserialize([{<<"name">>, Name}|T], El, Acc) ->
deserialize(T, El#xmlel{name = Name}, Acc);
deserialize([{_, S}|T], #xmlel{children = Els} = El, Acc) when is_binary(S) ->
deserialize(T, El#xmlel{children = [{xmlcdata, S}|Els]}, Acc);
deserialize([{_, L}|T], #xmlel{children = Els} = El, Acc) when is_list(L) ->
deserialize(T, El#xmlel{children = deserialize(L) ++ Els}, Acc);
deserialize([], El, Acc) ->
[El|Acc].
