mod_pubsub,mod_pep: Advertise maximum number of items via XEP-0122

Clients would generally be using the "max" symbol instead of discovering
this, but this also gets us validation and earlier rejection of out of
bounds values.

1 files changed, 7 insertions, 0 deletions

diff --git a/plugins/mod_pep.lua b/plugins/mod_pep.lua
index 93342e09..ad69e6ad 100644
--- a/plugins/mod_pep.lua
+++ b/plugins/mod_pep.lua
@@ -41,6 +41,13 @@ local function tonumber_max_items(n)
 	return tonumber(n);
 end
 
+for _, field in ipairs(lib_pubsub.node_config_form) do
+	if field.var == "pubsub#max_items" then
+		field.range_max = max_max_items;
+		break;
+	end
+end
+
 function module.save()
 	return {
 		services = services;