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Fix pubsub/odbc crash on remote user unsubscribe (EJAB-1483)

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This commit is contained in:
Christophe Romain 2015-05-26 19:19:57 +02:00
parent b2f98099bb
commit b83c07251c
1 changed files with 34 additions and 31 deletions
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65
src/mod_pubsub.erl
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@ -733,39 +733,42 @@ in_subscription(_, _, _, _, _, _) ->
true.
unsubscribe_user(Entity, Owner) ->
BJID = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
Host = host(element(2, BJID)),
spawn(fun () ->
lists:foreach(fun (PType) ->
{result, Subs} = node_action(Host, PType,
get_entity_subscriptions,
[Host, Entity]),
lists:foreach(fun
({#pubsub_node{options = Options,
owners = O,
id = Nidx},
subscribed, _, JID}) ->
case match_option(Options, access_model, presence) of
true ->
Owners = node_owners_action(Host, PType, Nidx, O),
case lists:member(BJID, Owners) of
true ->
node_action(Host, PType,
unsubscribe_node,
[Nidx, Entity, JID, all]);
false ->
{result, ok}
end;
_ ->
{result, ok}
end;
(_) ->
ok
end,
Subs)
end,
plugins(Host))
[unsubscribe_user(ServerHost, Entity, Owner) ||
ServerHost <- lists:usort(lists:foldl(
fun(UserHost, Acc) ->
case gen_mod:is_loaded(UserHost, mod_pubsub) of
true -> [UserHost|Acc];
false -> Acc
end
end, [], [Entity#jid.lserver, Owner#jid.lserver]))]
end).
unsubscribe_user(Host, Entity, Owner) ->
BJID = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
lists:foreach(fun (PType) ->
{result, Subs} = node_action(Host, PType,
get_entity_subscriptions,
[Host, Entity]),
lists:foreach(fun
({#pubsub_node{options = Options,
owners = O,
id = Nidx},
subscribed, _, JID}) ->
Unsubscribe = match_option(Options, access_model, presence)
andalso lists:member(BJID, node_owners_action(Host, PType, Nidx, O)),
case Unsubscribe of
true ->
node_action(Host, PType,
unsubscribe_node, [Nidx, Entity, JID, all]);
false ->
ok
end;
(_) ->
ok
end,
Subs)
end,
plugins(Host)).
%% -------
%% user remove hook handling function