1 files changed, 13 insertions, 9 deletions

diff --git a/src/mailman_pgp/rest/lists.py b/src/mailman_pgp/rest/lists.py
index 72fa7a4..9141bce 100644
--- a/src/mailman_pgp/rest/lists.py
+++ b/src/mailman_pgp/rest/lists.py
@@ -16,10 +16,11 @@
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """"""
-
+from mailman.interfaces.listmanager import IListManager
 from mailman.rest.helpers import (
     child, CollectionMixin, etag, not_found, okay)
 from public import public
+from zope.component import getUtility
 
 from mailman_pgp.config import config
 from mailman_pgp.model.list import PGPMailingList
@@ -38,8 +39,8 @@ class _EncryptedBase(CollectionMixin):
                     sign_outgoing=emlist.sign_outgoing,
                     nonencrypted_msg_action=emlist.nonencrypted_msg_action,
                     self_link=self.api.path_to(
-                        '/plugins/{}/lists/{}'.format(config.name,
-                                                      emlist.list_id)))
+                            '/plugins/{}/lists/{}'.format(config.name,
+                                                          emlist.list_id)))
 
     def _get_collection(self, request):
         """See `CollectionMixin`."""
@@ -56,9 +57,13 @@ class AllEncryptedLists(_EncryptedBase):
 
 @public
 class AnEncryptedList(_EncryptedBase):
-    def __init__(self, list_id):
-        self._mlist = PGPMailingList.query().filter_by(
-            list_id=list_id).first()
+    def __init__(self, list_identifier):
+        manager = getUtility(IListManager)
+        if '@' in list_identifier:
+            mlist = manager.get(list_identifier)
+        else:
+            mlist = manager.get_by_list_id(list_identifier)
+        self._mlist = PGPMailingList.for_list(mlist)
 
     def on_get(self, request, response):
         """/lists/<list_id>"""
@@ -86,7 +91,6 @@ class AListPubkey:
             if pubkey is None:
                 return not_found(response)
 
-            resource = dict(public_key=str(self._mlist.pubkey),
-                            key_fingerprint=str(
-                                self._mlist.pubkey.fingerprint))
+            resource = dict(public_key=str(pubkey),
+                            key_fingerprint=str(pubkey.fingerprint))
             return okay(response, etag(resource))