From e01da0645d5ace6ec26dee802aeed2509c4fccaf Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Tue, 30 Apr 2013 22:05:38 +0200
Subject: [PATCH] prevent subscription to our own feeds

---
 .../backend/services/FeedSubscriptionService.java   | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/commafeed/backend/services/FeedSubscriptionService.java b/src/main/java/com/commafeed/backend/services/FeedSubscriptionService.java
index 57ea80d5..00ba09ed 100644
--- a/src/main/java/com/commafeed/backend/services/FeedSubscriptionService.java
+++ b/src/main/java/com/commafeed/backend/services/FeedSubscriptionService.java
@@ -31,12 +31,21 @@ public class FeedSubscriptionService {
 
 	@Inject
 	FeedSubscriptionDAO feedSubscriptionDAO;
-	
-	@Inject FeedRefreshTaskGiver taskGiver;
+
+	@Inject
+	ApplicationSettingsService applicationSettingsService;
+
+	@Inject
+	FeedRefreshTaskGiver taskGiver;
 
 	public Feed subscribe(User user, String url, String title,
 			FeedCategory category) {
 
+		if (url.startsWith(applicationSettingsService.get().getPublicUrl())) {
+			throw new RuntimeException(
+					"Could not subscribe to a feed from this CommaFeed instance");
+		}
+
 		Feed feed = feedService.findOrCreate(url);
 
 		FeedSubscription sub = feedSubscriptionDAO.findByFeed(user, feed);