Chapril/xmpp.chapril.org-ejabberd
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Skip reading roster in one more case in mod_caps

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Paweł Chmielowski 2021-02-16 13:39:34 +01:00
parent 72ecf91f08
commit 14d87cb5e9
1 changed files with 39 additions and 34 deletions
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73
src/mod_caps.erl
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@ -227,46 +227,51 @@ disco_info(Acc, _, _, _Node, _Lang) ->
c2s_presence_in(C2SState,
#presence{from = From, to = To, type = Type} = Presence) ->
ToSelf = (From#jid.luser == To#jid.luser)
and (From#jid.lserver == To#jid.lserver),
{Insert, Delete} =
case {Type, ToSelf} of
{unavailable, _} -> {false, true};
{error, _} -> {false, true};
{available, true} -> {true, false};
{available, _} ->
andalso (From#jid.lserver == To#jid.lserver),
Caps = read_caps(Presence),
Operation =
case {Type, ToSelf, Caps} of
{unavailable, _, _} -> delete;
{error, _, _} -> delete;
{available, _, nothing} -> skip;
{available, true, _} -> insert;
{available, _, _} ->
{Subscription, _, _} = ejabberd_hooks:run_fold(
roster_get_jid_info, To#jid.lserver,
{none, none, []},
[To#jid.luser, To#jid.lserver, From]),
{Subscription == both orelse Subscription == from, false};
case Subscription of
from -> insert;
both -> insert;
_ -> skip
end;
_ ->
{false, false}
skip
end,
if Insert or Delete ->
LFrom = jid:tolower(From),
Rs = maps:get(caps_resources, C2SState, gb_trees:empty()),
Caps = read_caps(Presence),
NewRs = case Caps of
nothing when Insert == true -> Rs;
_ when Insert == true ->
case gb_trees:lookup(LFrom, Rs) of
{value, Caps} -> Rs;
none ->
ejabberd_hooks:run(caps_add, To#jid.lserver,
[From, To,
get_features(To#jid.lserver, Caps)]),
gb_trees:insert(LFrom, Caps, Rs);
_ ->
ejabberd_hooks:run(caps_update, To#jid.lserver,
[From, To,
get_features(To#jid.lserver, Caps)]),
gb_trees:update(LFrom, Caps, Rs)
end;
_ -> gb_trees:delete_any(LFrom, Rs)
end,
C2SState#{caps_resources => NewRs};
true ->
C2SState
case Operation of
skip ->
C2SState;
delete ->
LFrom = jid:tolower(From),
Rs = maps:get(caps_resources, C2SState, gb_trees:empty()),
C2SState#{caps_resources => gb_trees:delete_any(LFrom, Rs)};
insert ->
LFrom = jid:tolower(From),
Rs = maps:get(caps_resources, C2SState, gb_trees:empty()),
NewRs = case gb_trees:lookup(LFrom, Rs) of
{value, Caps} -> Rs;
none ->
ejabberd_hooks:run(caps_add, To#jid.lserver,
[From, To,
get_features(To#jid.lserver, Caps)]),
gb_trees:insert(LFrom, Caps, Rs);
_ ->
ejabberd_hooks:run(caps_update, To#jid.lserver,
[From, To,
get_features(To#jid.lserver, Caps)]),
gb_trees:update(LFrom, Caps, Rs)
end,
C2SState#{caps_resources => NewRs}
end.
-spec depends(binary(), gen_mod:opts()) -> [{module(), hard | soft}].