From e2ea8d491b6ccc828a4379e62db0d3b5345affdc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Fri, 15 Sep 2017 15:51:56 +0200
Subject: [PATCH] Added a bit of input validation

---
 pillar/web/nodes/finders.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pillar/web/nodes/finders.py b/pillar/web/nodes/finders.py
index ee413b34..c83388ff 100644
--- a/pillar/web/nodes/finders.py
+++ b/pillar/web/nodes/finders.py
@@ -66,6 +66,9 @@ def find_for_comment(project, node):
 def find_for_post(project, node):
     """Returns the URL for a blog post."""
 
+    if not node.properties:
+        raise ValueError(f'Node must have properties.url, but is {node}')
+
     project_id = project['_id']
     if str(project_id) == current_app.config['MAIN_PROJECT_ID']:
         return url_for('main.main_blog',