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mirror of https://github.com/processone/ejabberd.git synced 2024-11-22 16:20:52 +01:00
xmpp.chapril.org-ejabberd/src/prosody2ejabberd.erl
Evgeny Khramtsov 08f3d066b1 Switch more log message to warning level
The commit is supposed to improve logging at loglevel 3, which
is the recommended level for high loaded ejabberd servers
2018-09-19 23:12:14 +03:00

532 lines
17 KiB
Erlang

%%%-------------------------------------------------------------------
%%% File : prosody2ejabberd.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 20 Jan 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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("scram.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
-include("mod_roster.hrl").
-include("mod_offline.hrl").
-include("mod_privacy.hrl").
%%%===================================================================
%%% API
%%%===================================================================
from_dir(ProsodyDir) ->
case code:ensure_loaded(luerl) of
{module, _} ->
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", "pep", "pubsub"])
end, HostDirs);
{error, Why} = Err ->
?ERROR_MSG("failed to list ~s: ~s",
[ProsodyDir, file:format_error(Why)]),
Err
end;
{error, _} = Err ->
?ERROR_MSG("The file 'luerl.beam' is not found: maybe "
"ejabberd is not compiled with Lua support", []),
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 Type of
"pep" ->
case filelib:is_dir(FilePath) of
true ->
JID = list_to_binary(File ++ "@" ++ Host),
convert_dir(FilePath, JID, "pubsub");
false ->
ok
end;
_ ->
case eval_file(FilePath) of
{ok, Data} ->
Name = iolist_to_binary(filename:rootname(File)),
convert_data(url_decode(Host), Type,
url_decode(Name), Data);
Err ->
Err
end
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.
maybe_get_scram_auth(Data) ->
case proplists:get_value(<<"iteration_count">>, Data, no_ic) of
IC when is_float(IC) -> %% A float like 4096.0 is read
#scram{
storedkey = misc:hex_to_base64(proplists:get_value(<<"stored_key">>, Data, <<"">>)),
serverkey = misc:hex_to_base64(proplists:get_value(<<"server_key">>, Data, <<"">>)),
salt = base64:encode(proplists:get_value(<<"salt">>, Data, <<"">>)),
iterationcount = round(IC)
};
_ -> <<"">>
end.
convert_data(Host, "accounts", User, [Data]) ->
Password = case proplists:get_value(<<"password">>, Data, no_pass) of
no_pass ->
maybe_get_scram_auth(Data);
Pass when is_binary(Pass) ->
Pass
end,
case ejabberd_auth:try_register(User, Host, Password) of
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:decode(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(ejabberd_config:get_myname(), RoomJID#jid.lserver,
RoomJID#jid.luser, RoomCfg);
_ ->
ok
end;
convert_data(Host, "offline", User, [Data]) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Host),
lists:foreach(
fun({_, RawXML}) ->
case deserialize(RawXML) of
[El] ->
case el_to_offline_msg(LUser, LServer, El) of
[Msg] -> ok = mod_offline:store_offline_msg(Msg);
[] -> ok
end;
_ ->
ok
end
end, Data);
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_list(Priv);
convert_data(HostStr, "pubsub", Node, [Data]) ->
case decode_pubsub_host(HostStr) of
Host when is_binary(Host);
is_tuple(Host) ->
Type = node_type(Host),
NodeData = convert_node_config(HostStr, Data),
DefaultConfig = mod_pubsub:config(Host, default_node_config, []),
Owner = proplists:get_value(owner, NodeData),
Options = lists:foldl(
fun({_Opt, undefined}, Acc) ->
Acc;
({Opt, Val}, Acc) ->
lists:keystore(Opt, 1, Acc, {Opt, Val})
end, DefaultConfig, proplists:get_value(options, NodeData)),
case mod_pubsub:tree_action(Host, create_node, [Host, Node, Type, Owner, Options, []]) of
{ok, Nidx} ->
case mod_pubsub:node_action(Host, Type, create_node, [Nidx, Owner]) of
{result, _} ->
Access = open, % always allow subscriptions proplists:get_value(access_model, Options),
Publish = open, % always allow publications proplists:get_value(publish_model, Options),
MaxItems = proplists:get_value(max_items, Options),
Affiliations = proplists:get_value(affiliations, NodeData),
Subscriptions = proplists:get_value(subscriptions, NodeData),
Items = proplists:get_value(items, NodeData),
[mod_pubsub:node_action(Host, Type, set_affiliation,
[Nidx, Entity, Aff])
|| {Entity, Aff} <- Affiliations, Entity =/= Owner],
[mod_pubsub:node_action(Host, Type, subscribe_node,
[Nidx, jid:make(Entity), Entity, Access, never, [], [], []])
|| Entity <- Subscriptions],
[mod_pubsub:node_action(Host, Type, publish_item,
[Nidx, Publisher, Publish, MaxItems, ItemId, Payload, []])
|| {ItemId, Publisher, Payload} <- Items];
Error ->
Error
end;
Error ->
?ERROR_MSG("failed to import pubsub node ~s on ~p:~n~p",
[Node, Host, NodeData]),
Error
end;
Error ->
?ERROR_MSG("failed to import pubsub node: ~p", [Error]),
Error
end;
convert_data(_Host, _Type, _User, _Data) ->
ok.
convert_pending_item(LUser, LServer, LuaList) ->
lists:flatmap(
fun({S, true}) ->
try jid:decode(S) of
J ->
LJID = jid:tolower(J),
[#roster{usj = {LUser, LServer, LJID},
us = {LUser, LServer},
jid = LJID,
ask = in}]
catch _:{bad_jid, _} ->
[]
end;
(_) ->
[]
end, LuaList).
convert_roster_item(LUser, LServer, JIDstring, LuaList) ->
try jid:decode(JIDstring) of
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 = misc:binary_to_atom(Sub)};
({<<"ask">>, <<"subscribe">>}, R) ->
R#roster{ask = out};
({<<"name">>, Name}, R) ->
R#roster{name = Name}
end, InitR, LuaList),
[Roster]
catch _:{bad_jid, _} ->
[]
end.
convert_room_affiliations(Data) ->
lists:flatmap(
fun({J, Aff}) ->
try jid:decode(J) of
#jid{luser = U, lserver = S} ->
[{{U, S, <<>>}, misc:binary_to_atom(Aff)}]
catch _:{bad_jid, _} ->
[]
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 = try jid:decode(
proplists:get_value(
<<"subject_from">>, Config, <<"">>)) of
#jid{lresource = Nick} when Nick /= <<"">> ->
[{subject, proplists:get_value(<<"subject">>, Config, <<"">>)},
{subject_author, Nick}]
catch _:{bad_jid, _} ->
[]
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 = misc: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:decode(V))};
subscription -> {T, misc:binary_to_atom(V)}
end
catch _:_ ->
{none, none}
end,
#listitem{type = Type,
value = Value,
action = misc: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}.
url_decode(Encoded) ->
url_decode(Encoded, <<>>).
url_decode(<<$%, Hi, Lo, Tail/binary>>, Acc) ->
Hex = list_to_integer([Hi, Lo], 16),
url_decode(Tail, <<Acc/binary, Hex>>);
url_decode(<<H, Tail/binary>>, Acc) ->
url_decode(Tail, <<Acc/binary, H>>);
url_decode(<<>>, Acc) ->
Acc.
decode_pubsub_host(Host) ->
try jid:decode(Host) of
#jid{luser = <<>>, lserver = LServer} -> LServer;
#jid{luser = LUser, lserver = LServer} -> {LUser, LServer, <<>>}
catch _:{bad_jid, _} -> bad_jid
end.
node_type({_U, _S, _R}) -> <<"pep">>;
node_type(Host) -> hd(mod_pubsub:plugins(Host)).
max_items(Config, Default) ->
case round(proplists:get_value(<<"max_items">>, Config, Default)) of
I when I =< 0 -> Default;
I -> I
end.
convert_node_affiliations(Data) ->
lists:flatmap(
fun({J, Aff}) ->
try jid:decode(J) of
JID ->
[{JID, misc:binary_to_atom(Aff)}]
catch _:{bad_jid, _} ->
[]
end
end, proplists:get_value(<<"affiliations">>, Data, [])).
convert_node_subscriptions(Data) ->
lists:flatmap(
fun({J, true}) ->
try jid:decode(J) of
JID ->
[jid:tolower(JID)]
catch _:{bad_jid, _} ->
[]
end;
(_) ->
[]
end, proplists:get_value(<<"subscribers">>, Data, [])).
convert_node_items(Host, Data) ->
Authors = proplists:get_value(<<"data_author">>, Data, []),
lists:flatmap(
fun({ItemId, Item}) ->
try jid:decode(proplists:get_value(ItemId, Authors, Host)) of
JID ->
[El] = deserialize(Item),
[{ItemId, JID, El#xmlel.children}]
catch _:{bad_jid, _} ->
[]
end
end, proplists:get_value(<<"data">>, Data, [])).
convert_node_config(Host, Data) ->
Config = proplists:get_value(<<"config">>, Data, []),
[{affiliations, convert_node_affiliations(Data)},
{subscriptions, convert_node_subscriptions(Data)},
{owner, jid:decode(proplists:get_value(<<"creator">>, Config, Host))},
{items, convert_node_items(Host, Data)},
{options, [
{deliver_notifications,
proplists:get_value(<<"deliver_notifications">>, Config, true)},
{deliver_payloads,
proplists:get_value(<<"deliver_payloads">>, Config, true)},
{persist_items,
proplists:get_value(<<"persist_items">>, Config, true)},
{max_items,
max_items(Config, 10)},
{access_model,
misc:binary_to_atom(proplists:get_value(<<"access_model">>, Config, <<"open">>))},
{publish_model,
misc:binary_to_atom(proplists:get_value(<<"publish_model">>, Config, <<"publishers">>))},
{title,
proplists:get_value(<<"title">>, Config, <<"">>)}
]}
].
el_to_offline_msg(LUser, LServer, #xmlel{attrs = Attrs} = El) ->
try
TS = xmpp_util:decode_timestamp(
fxml:get_attr_s(<<"stamp">>, Attrs)),
Attrs1 = lists:filter(
fun({<<"stamp">>, _}) -> false;
({<<"stamp_legacy">>, _}) -> false;
(_) -> true
end, Attrs),
El1 = El#xmlel{attrs = Attrs1},
case xmpp:decode(El1, ?NS_CLIENT, [ignore_els]) of
#message{from = #jid{} = From, to = #jid{} = To} = Packet ->
[#offline_msg{
us = {LUser, LServer},
timestamp = TS,
expire = never,
from = From,
to = To,
packet = Packet}];
_ ->
[]
end
catch _:{bad_timestamp, _} ->
[];
_:{bad_jid, _} ->
[];
_:{xmpp_codec, _} ->
[]
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([], #xmlel{children = Els} = El, Acc) ->
[El#xmlel{children = lists:reverse(Els)}|Acc].