From 9df33cef8b2d4a5672e0917a66f58a4af9615ed9 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@digitalocean.com>
Date: Tue, 18 Sep 2018 11:46:22 -0400
Subject: [PATCH] Fixes #2443: Enforce JSON object format when creating config
 contexts

---
 CHANGELOG.md            | 1 +
 netbox/extras/models.py | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index db5120ead..8a665e893 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ v2.4.5 (FUTURE)
 ## Bug Fixes
 
 * [#2406](https://github.com/digitalocean/netbox/issues/2406) - Remove hard-coded limit of 1000 objects from API-populated form fields
+* [#2443](https://github.com/digitalocean/netbox/issues/2443) - Enforce JSON object format when creating config contexts
 
 ---
 
diff --git a/netbox/extras/models.py b/netbox/extras/models.py
index ad4fcdb18..cf4d646f3 100644
--- a/netbox/extras/models.py
+++ b/netbox/extras/models.py
@@ -700,6 +700,14 @@ class ConfigContext(models.Model):
     def get_absolute_url(self):
         return reverse('extras:configcontext', kwargs={'pk': self.pk})
 
+    def clean(self):
+
+        # Verify that JSON data is provided as an object
+        if type(self.data) is not dict:
+            raise ValidationError(
+                {'data': 'JSON data must be in object form. Example: {"foo": 123}'}
+            )
+
 
 class ConfigContextModel(models.Model):