1 files changed, 21 insertions, 1 deletions

diff --git a/src/mailman_pgp/rest/lists.py b/src/mailman_pgp/rest/lists.py
index 708635f..9cd7a4b 100644
--- a/src/mailman_pgp/rest/lists.py
+++ b/src/mailman_pgp/rest/lists.py
@@ -33,7 +33,7 @@ from zope.component import getUtility
 from mailman_pgp.config import config
 from mailman_pgp.database import transaction
 from mailman_pgp.model.list import PGPMailingList
-from mailman_pgp.utils.pgp import key_from_blob
+from mailman_pgp.utils.pgp import key_from_blob, key_merge
 from mailman_pgp.utils.rest import enumflag_validator, workflow_validator
 from mailman_pgp.workflows.key_change import (KeyChangeModWorkflow,
                                               KeyChangeWorkflow)
@@ -213,3 +213,23 @@ class AListPubkey:
             resource = dict(public_key=str(pubkey),
                             key_fingerprint=str(pubkey.fingerprint))
             okay(response, etag(resource))
+
+    def on_put(self, request, response):
+        """/lists/<list_id>/pubkey"""
+        # merge pubkey with the current one. Assume all new sigs are valid.
+        try:
+            validator = Validator(public_key=GetterSetter(key_from_blob))
+            values = validator(request)
+        except (ValueError, PGPError) as error:
+            bad_request(response, str(error))
+            return
+
+        key = values.pop('public_key')
+        try:
+            key_merge(self._mlist.key, key)
+            self._mlist.fs_key.save()
+        except ValueError as e:
+            bad_request(response, str(e))
+            return
+
+        accepted(response)