diff --git a/k4ever/main/helper.py b/k4ever/main/helper.py
new file mode 100644
index 0000000..2e58b4d
--- /dev/null
+++ b/k4ever/main/helper.py
@@ -0,0 +1,14 @@
+from main.models import PluginPermission
+
+def getUserFromAuthblob(authblob, plugin, splitBy="\n"):
+	""" Return user, if found, for an authblob, else None. """
+	if authblob == '':
+		return None
+	
+	perms = PluginPermission.objects.filter(plugin=plugin, authblob__contains=authblob)
+	for perm in perms:
+		print perm
+		if authblob in perm.authblob.split(splitBy):
+			return perm.user
+	return None
+