270 function handlers.owner_set_subscriptions(origin, stanza, subscriptions, service)

   271 	local node = subscriptions.attr.node;

   272 	if not node then

   273 		origin.send(pubsub_error_reply(stanza, "nodeid-required"));

   274 		return true;

   275 	end

   276 	if not service:may(node, stanza.attr.from, "subscribe_other") then

   277 		origin.send(pubsub_error_reply(stanza, "forbidden"));

   278 		return true;

   279 	end

   280 

   281 	local node_obj = service.nodes[node];

   282 	if not node_obj then

   283 		origin.send(pubsub_error_reply(stanza, "item-not-found"));

   284 		return true;

   285 	end

   286 

   287 	for subscription_tag in subscriptions:childtags("subscription") do

   288 		if subscription_tag.attr.subscription == 'subscribed' then

   289 			local ok, err = service:add_subscription(node, stanza.attr.from, subscription_tag.attr.jid);

   290 			if not ok then

   291 				origin.send(pubsub_error_reply(stanza, err));

   292 				return true;

   293 			end

   294 		elseif subscription_tag.attr.subscription == 'none' then

   295 			local ok, err = service:remove_subscription(node, stanza.attr.from, subscription_tag.attr.jid);

   296 			if not ok then

   297 				origin.send(pubsub_error_reply(stanza, err));

   298 				return true;

   299 			end

   300 		end

   301 	end

   302 

   303 	local reply = st.reply(stanza);

   304 	origin.send(reply);

   305 	return true;

   306 end

   307