From 40709658994b6603968042c9dfebff7363f6ea71 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Thu, 24 Jan 2013 00:58:03 +0100
Subject: mod_pubsub, util.pubsub: Implement the purge action

---
 plugins/mod_pubsub.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'plugins/mod_pubsub.lua')

diff --git a/plugins/mod_pubsub.lua b/plugins/mod_pubsub.lua
index f0aa4e4f..687e38f1 100644
--- a/plugins/mod_pubsub.lua
+++ b/plugins/mod_pubsub.lua
@@ -178,6 +178,10 @@ function handlers.set_retract(origin, stanza, retract)
 	notify = (notify == "1") or (notify == "true");
 	local item = retract:get_child("item");
 	local id = item and item.attr.id
+	if not (node and id) then
+		origin.send(st.error_reply(stanza, "modify", "bad-request"));
+		return true;
+	end
 	local reply, notifier;
 	if notify then
 		notifier = st.stanza("retract", { id = id });
@@ -191,6 +195,26 @@ function handlers.set_retract(origin, stanza, retract)
 	return origin.send(reply);
 end
 
+function handlers.set_purge(origin, stanza, purge)
+	local node, notify = purge.attr.node, purge.attr.notify;
+	notify = (notify == "1") or (notify == "true");
+	local reply, notifier;
+	if not node then
+		origin.send(st.error_reply(stanza, "modify", "bad-request"));
+		return true;
+	end
+	if notify then
+		notifier = st.stanza("purge");
+	end
+	local ok, ret = service:purge(node, stanza.attr.from, notifier);
+	if ok then
+		reply = st.reply(stanza);
+	else
+		reply = pubsub_error_reply(stanza, ret);
+	end
+	return origin.send(reply);
+end
+
 function simple_broadcast(node, jids, item)
 	item = st.clone(item);
 	item.attr.xmlns = nil; -- Clear the pubsub namespace
@@ -212,6 +236,7 @@ local disco_info;
 local feature_map = {
 	create = { "create-nodes", "instant-nodes", "item-ids" };
 	retract = { "delete-items", "retract-items" };
+	purge = { "purge-nodes" };
 	publish = { "publish", autocreate_on_publish and "auto-create" };
 	get_items = { "retrieve-items" };
 	add_subscription = { "subscribe" };
-- 
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