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https://github.com/processone/ejabberd
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Support Matrix room aliases
This commit is contained in:
Alexey Shchepin
parent
e7035f3235
commit
80423d7e69
1 changed files with 85 additions and 21 deletions
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@ -77,7 +77,8 @@
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client_state}).
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-record(multi_user,
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{join_ts :: integer()}).
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{join_ts :: integer(),
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room_jid :: jid()}).
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-record(multi,
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{users :: #{{binary(), binary()} => #{binary() => #multi_user{}}}}).
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@ -105,6 +106,9 @@
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-define(MAX_DEPTH, 16#7FFFFFFFFFFFFFFF).
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-define(MAX_TXN_RETRIES, 5).
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-define(MATRIX_ROOM_ALIAS_CACHE, matrix_room_alias_cache).
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-define(MATRIX_ROOM_ALIAS_CACHE_ERROR_TIMEOUT, 60000).
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%%%===================================================================
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%%% API
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%%%===================================================================
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@ -140,6 +144,7 @@ create_db() ->
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[{ram_copies, [node()]},
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{type, set},
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{attributes, record_info(fields, matrix_direct)}]),
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ets_cache:new(?MATRIX_ROOM_ALIAS_CACHE),
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ok.
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get_room_pid(Host, RoomID) ->
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@ -170,11 +175,13 @@ join_direct(Host, MatrixServer, RoomID, Sender, UserID) ->
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Error
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end.
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route(#presence{from = From, to = #jid{luser = <<$!, _/binary>>} = To,
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type = Type} = Packet) ->
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case room_id_from_xmpp(To#jid.luser) of
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route(#presence{from = From, to = #jid{luser = <<C, _/binary>>} = To,
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type = Type} = Packet)
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when C == $!;
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C == $# ->
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Host = ejabberd_config:get_myname(),
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case room_id_from_xmpp(Host, To#jid.luser) of
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{ok, RoomID} ->
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Host = ejabberd_config:get_myname(),
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case From#jid.lserver of
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Host ->
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case Type of
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@ -200,14 +207,20 @@ route(#presence{from = From, to = #jid{luser = <<$!, _/binary>>} = To,
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ok
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end;
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error ->
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Lang = xmpp:get_lang(Packet),
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Txt = <<"bad or non-existing room id">>,
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Err = xmpp:err_not_acceptable(Txt, Lang),
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ejabberd_router:route_error(Packet, Err),
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ok
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end;
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route(#message{from = From, to = #jid{luser = <<$!, _/binary>>} = To,
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route(#message{from = From, to = #jid{luser = <<C, _/binary>>} = To,
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type = groupchat,
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body = Body}) ->
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case room_id_from_xmpp(To#jid.luser) of
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body = Body})
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when C == $!;
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C == $# ->
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Host = ejabberd_config:get_myname(),
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case room_id_from_xmpp(Host, To#jid.luser) of
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{ok, RoomID} ->
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Host = ejabberd_config:get_myname(),
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case From#jid.lserver of
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Host ->
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case user_id_from_jid(From, Host) of
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@ -685,6 +698,7 @@ handle_event(cast, {join, UserJID, Packet}, _State, Data) ->
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#{{LUser, LServer} := Rs} -> Rs;
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_ -> #{}
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end,
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RoomJID = jid:remove_resource(xmpp:get_to(Packet)),
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Data2 =
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Data#data{
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kind =
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@ -692,7 +706,8 @@ handle_event(cast, {join, UserJID, Packet}, _State, Data) ->
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users =
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Users#{{LUser, LServer} =>
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Resources#{LResource =>
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#multi_user{join_ts = JoinTS}}}}},
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#multi_user{join_ts = JoinTS,
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room_jid = RoomJID}}}}},
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{keep_state, Data2, [{next_event, cast, {add_event, JSON}}]};
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error ->
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?INFO_MSG("bad join user id: ~p", [UserJID]),
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@ -758,6 +773,7 @@ handle_event(cast, {join, UserJID, Packet}, _State, Data) ->
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{timeout, 60000}],
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[{sync, true},
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{body_format, binary}]),
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RoomJID = jid:remove_resource(xmpp:get_to(Packet)),
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?DEBUG("send_join ~p~n", [SendJoinRes]),
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process_send_join_res(
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MatrixServer, SendJoinRes, RoomVersion,
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@ -765,7 +781,8 @@ handle_event(cast, {join, UserJID, Packet}, _State, Data) ->
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kind =
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#multi{users =
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#{{LUser, LServer} =>
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#{LResource => #multi_user{join_ts = JoinTS}}}},
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#{LResource => #multi_user{join_ts = JoinTS,
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room_jid = RoomJID}}}},
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room_version = RoomVersion})
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end;
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_JSON ->
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@ -2642,12 +2659,13 @@ notify_event_xmpp(
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case Sender of
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<<$@, SenderUser/binary>> ->
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?DEBUG("notify xmpp ~p", [Users]),
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From = jid:replace_resource(Data#data.room_jid, SenderUser),
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maps:fold(
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fun({LUser, LServer}, Resources, ok) ->
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maps:fold(
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fun(LResource, #multi_user{join_ts = JoinTS}, ok)
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fun(LResource, #multi_user{join_ts = JoinTS,
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room_jid = RoomJID}, ok)
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when JoinTS =< OriginTS ->
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From = jid:replace_resource(RoomJID, SenderUser),
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UserJID = jid:make(LUser, LServer, LResource),
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Msg = #message{from = From,
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to = UserJID,
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@ -2673,16 +2691,17 @@ notify_event_xmpp(
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case user_id_to_jid(Sender, Data) of
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#jid{} = SenderJID ->
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<<$@, SenderUser/binary>> = Sender,
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From = jid:replace_resource(Data#data.room_jid, SenderUser),
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maps:fold(
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fun({LUser, LServer}, Resources, ok) ->
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maps:fold(
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fun(LResource, #multi_user{join_ts = JoinTS}, ok)
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fun(LResource, #multi_user{join_ts = JoinTS,
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room_jid = RoomJID}, ok)
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when JoinTS =< OriginTS ->
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From = jid:replace_resource(RoomJID, SenderUser),
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case jid:tolower(SenderJID) of
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{LUser, LServer, _} ->
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send_initial_presences(
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SenderJID, Event, Data);
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SenderJID, RoomJID, Event, Data);
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_ ->
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ok
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end,
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@ -2709,12 +2728,13 @@ notify_event_xmpp(
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Membership == <<"ban">> ->
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case StateKey of
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<<$@, RUser/binary>> ->
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From = jid:replace_resource(Data#data.room_jid, RUser),
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maps:fold(
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fun({LUser, LServer}, Resources, ok) ->
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maps:fold(
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fun(LResource, #multi_user{join_ts = JoinTS}, ok)
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fun(LResource, #multi_user{join_ts = JoinTS,
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room_jid = RoomJID}, ok)
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when JoinTS =< OriginTS ->
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From = jid:replace_resource(RoomJID, RUser),
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UserJID = jid:make(LUser, LServer, LResource),
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Pres = #presence{from = From,
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to = UserJID,
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@ -2755,7 +2775,7 @@ notify_event_xmpp(
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notify_event_xmpp(_Event, Data) ->
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Data.
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send_initial_presences(JID, Event, Data) ->
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send_initial_presences(JID, RoomJID, Event, Data) ->
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?DEBUG("send_initial_presences ~p", [{JID, Event}]),
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maps:fold(
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fun({?ROOM_MEMBER, _}, EID, ok) ->
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@ -2764,7 +2784,7 @@ send_initial_presences(JID, Event, Data) ->
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sender = <<$@, SenderUser/binary>>,
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json = #{<<"content">> :=
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#{<<"membership">> := <<"join">>}}}} ->
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From = jid:replace_resource(Data#data.room_jid, SenderUser),
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From = jid:replace_resource(RoomJID, SenderUser),
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Pres = #presence{from = From,
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to = JID,
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type = available
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@ -3148,7 +3168,7 @@ room_id_to_xmpp(RoomID) ->
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error
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end.
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room_id_from_xmpp(RID) ->
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room_id_from_xmpp(Host, RID) ->
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case RID of
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<<$!, Parts/binary>> ->
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case binary:split(Parts, <<"%">>) of
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@ -3159,10 +3179,54 @@ room_id_from_xmpp(RID) ->
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{ok, <<$!, RoomID/binary, $:, S/binary>>};
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_ -> error
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end;
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<<$#, Parts/binary>> ->
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case binary:split(Parts, <<"%">>) of
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[R, S] ->
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Alias = <<$#, R/binary, $:, S/binary>>,
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case resolve_alias(Host, S, Alias) of
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{ok, <<$!, _/binary>> = RoomID} ->
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{ok, RoomID};
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error ->
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error
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end;
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_ -> error
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end;
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_ ->
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error
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end.
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resolve_alias(Host, Origin, Alias) ->
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ets_cache:lookup(
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?MATRIX_ROOM_ALIAS_CACHE, Alias,
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fun() ->
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Res =
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mod_matrix_gw:send_request(
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Host, get, Origin,
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[<<"_matrix">>, <<"federation">>,
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<<"v1">>, <<"query">>, <<"directory">>],
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[{<<"room_alias">>, Alias}],
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none,
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[{timeout, 5000}],
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[{sync, true},
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{body_format, binary}]),
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case Res of
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{ok, {{_, 200, _}, _Headers, Body}} ->
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try
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case misc:json_decode(Body) of
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#{<<"room_id">> := RoomID} ->
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{ok, RoomID}
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end
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catch
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Class:Reason:ST ->
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?DEBUG("failed resolve_alias: ~p", [{Class, Reason, ST}]),
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{cache_with_timeout, error, ?MATRIX_ROOM_ALIAS_CACHE_ERROR_TIMEOUT}
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end;
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{ok, {{_, _Status, _Reason}, _Headers, _Body}} ->
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{cache_with_timeout, error, ?MATRIX_ROOM_ALIAS_CACHE_ERROR_TIMEOUT};
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{error, _Reason} ->
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{cache_with_timeout, error, ?MATRIX_ROOM_ALIAS_CACHE_ERROR_TIMEOUT}
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end
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end).
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escape(S) ->
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