Chapril/xmpp.chapril.org-ejabberd
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Resend presences and history if presence possesses <x/> MUC element

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Behave according to the new rule from XEP-0045, section 7.2.2:

> When a MUC service receives an <x/> tagged join stanza from an
> already-joined client (as identified by the client's full JID),
> the service should assume that the client lost its synchronization,
> and therefore it SHOULD send exactly the same stanzas to the client
> as if it actually just joined the MUC.
This commit is contained in:
Evgeniy Khramtsov 2017-10-09 17:59:22 +03:00
parent 8513e31498
commit a6e5a5ca9a
1 changed files with 18 additions and 6 deletions
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24
src/mod_muc_room.erl
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@ -1014,7 +1014,13 @@ do_process_presence(Nick, #presence{from = From, type = available, lang = Lang}
From, Packet, StateData),
NewState = add_user_presence(From, Stanza,
StateData),
send_new_presence(From, NewState, StateData),
case xmpp:has_subtag(Packet, #muc{}) of
true ->
send_initial_presences_and_messages(
From, Nick, Packet, NewState, StateData);
false ->
send_new_presence(From, NewState, StateData)
end,
NewState
end
end;
@ -1869,11 +1875,8 @@ add_new_user(From, Nick, Packet, StateData) ->
From, Packet,
add_online_user(From, Nick, Role,
StateData)),
send_existing_presences(From, NewState),
send_initial_presence(From, NewState, StateData),
History = get_history(Nick, Packet, NewState),
send_history(From, History, NewState),
send_subject(From, StateData),
send_initial_presences_and_messages(
From, Nick, Packet, NewState, StateData),
NewState;
true ->
set_subscriber(From, Nick, Nodes, StateData)
@ -2068,6 +2071,15 @@ presence_broadcast_allowed(JID, StateData) ->
Role = get_role(JID, StateData),
lists:member(Role, (StateData#state.config)#config.presence_broadcast).
-spec send_initial_presences_and_messages(
jid(), binary(), presence(), state(), state()) -> ok.
send_initial_presences_and_messages(From, Nick, Presence, NewState, OldState) ->
send_existing_presences(From, NewState),
send_initial_presence(From, NewState, OldState),
History = get_history(Nick, Presence, NewState),
send_history(From, History, NewState),
send_subject(From, OldState).
-spec send_initial_presence(jid(), state(), state()) -> ok.
send_initial_presence(NJID, StateData, OldStateData) ->
send_new_presence1(NJID, <<"">>, true, StateData, OldStateData).