Returns None and log exception if LDAP backend cannot be reached (fixes

#9)

CHANGELOG.rst

@@ -10,6 +10,9 @@ This document describes changes between each past release.
 - Set default value for ``multiauth.policy.ldap.use`` (fixes #3)
 - Add the plugin version in the capability.
 
+**Bug fixes**
+
+- Returns None and log exception if LDAP backend cannot be reached (fixes #9)
 
 0.1.0 (2016-06-27)
 ------------------

kinto_ldap/authentication.py

@@ -2,6 +2,7 @@
 
 from kinto.core import utils
 from ldap import INVALID_CREDENTIALS
+from ldappool import BackendError
 from pyramid.authentication import BasicAuthAuthenticationPolicy
 
 logger = logging.getLogger(__name__)
@@ -33,6 +34,8 @@ def user_checker(username, password, request):
             with cm.connection(ldap_fqn.format(mail=username), password):
                 cache.set(cache_key, "1", ttl=cache_ttl)
                 return []
+        except BackendError:
+            logger.exception("LDAP error")
         except INVALID_CREDENTIALS:
             cache.set(cache_key, "0", ttl=cache_ttl)