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XEP-0352: Pass chat states of other resources 

Don't hold back (carbon copies of) chat states from other resources, as
they might be used to sync the state of conversations across clients.
E.g., if one client becomes active, another one might want to remove a
notification (immediately).
This commit is contained in:
Holger Weiss 2016-06-03 21:52:11 +02:00
parent 4d5eab6662
commit 8305cc293b
1 changed files with 14 additions and 3 deletions
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17
src/mod_client_state.erl
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@ -165,10 +165,21 @@ filter_presence(Acc, _Host, _Stanza) -> Acc.
filter_chat_states({C2SState, _OutStanzas} = Acc, Host,
#xmlel{name = <<"message">>} = Stanza) ->
case jlib:is_standalone_chat_state(jlib:unwrap_carbon(Stanza)) of
Payload = jlib:unwrap_carbon(Stanza),
case jlib:is_standalone_chat_state(Payload) of
true ->
?DEBUG("Got standalone chat state notification", []),
queue_add(chatstate, Stanza, Host, C2SState);
From = fxml:get_tag_attr_s(<<"from">>, Payload),
To = fxml:get_tag_attr_s(<<"to">>, Payload),
case {jid:from_string(From), jid:from_string(To)} of
{#jid{luser = U, lserver = S}, #jid{luser = U, lserver = S}} ->
%% Don't queue (carbon copies of) chat states from other
%% resources, as they might be used to sync the state of
%% conversations across clients.
Acc;
_ ->
?DEBUG("Got standalone chat state notification", []),
queue_add(chatstate, Stanza, Host, C2SState)
end;
false ->
Acc
end;