From 6325292a89649166deac3704e1ae644fbfb67b66 Mon Sep 17 00:00:00 2001
From: Antoine Nguyen <tonio@ngyn.org>
Date: Wed, 12 Jun 2013 09:54:45 +0200
Subject: [PATCH] Try to check if the pattern is valid.

see #289
---
 modoboa/admin/app_settings.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/modoboa/admin/app_settings.py b/modoboa/admin/app_settings.py
index 9ef123652..76dcc5362 100644
--- a/modoboa/admin/app_settings.py
+++ b/modoboa/admin/app_settings.py
@@ -207,6 +207,14 @@ class GeneralParametersForm(parameters.AdminParametersForm):
             del self.fields["handle_mailboxes"]
             del self.fields["mailboxes_owner"]
 
+    def clean_ldap_user_dn_template(self):
+        tpl = self.cleaned_data["ldap_user_dn_template"]
+        try:
+            test = tpl % {"user": "toto"}
+        except ValueError:
+            raise forms.ValidationError(_("Invalid syntax"))
+        return tpl
+
     def clean(self):
         """Custom validation method