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-rw-r--r--util/pubsub.lua9
1 files changed, 8 insertions, 1 deletions
diff --git a/util/pubsub.lua b/util/pubsub.lua
index dc3f3432..4789dff9 100644
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -17,7 +17,14 @@ function service:add_subscription(node, actor, jid)
end
function service:remove_subscription(node, actor, jid)
- self.nodes[node].subscribers[jid] = nil;
+ local node_obj = self.nodes[node];
+ if not node_obj then
+ return false, "item-not-found";
+ end
+ if not node_obj.subscribers[jid] then
+ return false, "not-subscribed";
+ end
+ node_obj.subscribers[jid] = nil;
return true;
end