# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1482130152 -3600
# Node ID 57235bce06fc5ae89c5bdad3cac04cc6a9e744d7
# Parent  a9add2d1adf5dbed0129af5224303e3ae66a7dbb
mod_pubsub_feeds: Always approve unsubscription from unknown feeds

diff -r a9add2d1adf5 -r 57235bce06fc mod_pubsub_feeds/mod_pubsub_feeds.lua
--- a/mod_pubsub_feeds/mod_pubsub_feeds.lua	Mon Dec 19 07:48:48 2016 +0100
+++ b/mod_pubsub_feeds/mod_pubsub_feeds.lua	Mon Dec 19 07:49:12 2016 +0100
@@ -217,6 +217,11 @@
 
 	local feed = feed_list[query.node];
 	if not feed then
+		if query["hub.mode"] == "unsubscribe" then
+			-- Unsubscribe from unknown feed
+			module:log("debug", "Unsubscribe from unknown feed %s -- %s", query["hub.topic"], formencode(query));
+			return query["hub.challenge"];
+		end
 		module:log("debug", "Push for unknown feed %s -- %s", query["hub.topic"], formencode(query));
 		return 404;
 	end