# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1533345235 -7200
# Node ID e01c7d0cbbf4e897f516a246435cd55359c496b7
# Parent  974b25c27f24b7c3af3ce08d4ea2c7f5a48eb975
mod_pubsub: Add configurable maximum on number of items

Like aefb96a52f5f

diff -r 974b25c27f24 -r e01c7d0cbbf4 plugins/mod_pubsub/mod_pubsub.lua
--- a/plugins/mod_pubsub/mod_pubsub.lua	Sat Aug 04 03:13:26 2018 +0200
+++ b/plugins/mod_pubsub/mod_pubsub.lua	Sat Aug 04 03:13:55 2018 +0200
@@ -70,6 +70,14 @@
 	end
 end
 
+local max_max_items = module:get_option_number("pubsub_max_items", 256);
+function check_node_config(node, actor, new_config) -- luacheck: ignore 212/actor 212/node
+	if (new_config["max_items"] or 1) > max_max_items then
+		return false;
+	end
+	return true;
+end
+
 function is_item_stanza(item)
 	return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item";
 end
@@ -222,6 +230,7 @@
 		itemstore = create_simple_itemstore;
 		broadcaster = simple_broadcast;
 		itemcheck = is_item_stanza;
+		check_node_config = check_node_config;
 		get_affiliation = get_affiliation;
 
 		normalize_jid = jid_bare;