1 files changed, 79 insertions, 0 deletions

diff --git a/src/mailman_pgp/workflows/key_set.py b/src/mailman_pgp/workflows/key_set.py
new file mode 100644
index 0000000..e76e299
--- /dev/null
+++ b/src/mailman_pgp/workflows/key_set.py
@@ -0,0 +1,79 @@
+# Copyright (C) 2017 Jan Jancar
+#
+# This file is a part of the Mailman PGP plugin.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""""""
+from mailman.email.message import UserNotification
+from mailman.interfaces.subscriptions import TokenOwner
+from pgpy import PGPKey
+from public import public
+
+from mailman_pgp.database import transaction
+from mailman_pgp.model.address import PGPAddress
+
+KEY_REQUEST = """\
+----------
+TODO: this is a pgp enabled list.
+We need your pubkey.
+Reply to this message with it as a PGP/MIME(preferred) or inline.
+----------"""
+
+
+@public
+class SetPubkeyMixin:
+    def __init__(self, pubkey=None):
+        self.pubkey = pubkey
+
+    @property
+    def pubkey_key(self):
+        if self.pubkey is None:
+            return None
+        return str(self.pubkey)
+
+    @pubkey_key.setter
+    def pubkey_key(self, value):
+        if value is not None:
+            self.pubkey, _ = PGPKey.from_blob(value)
+        else:
+            self.pubkey = None
+
+    def _step_pubkey_checks(self):
+        pgp_address = PGPAddress.for_address(self.address)
+        assert pgp_address is not None
+
+        if self.pubkey is None:
+            if pgp_address.key is None:
+                self.push('send_key_request')
+        else:
+            with transaction():
+                pgp_address.key = self.pubkey
+
+    def _step_send_key_request(self):
+        self._set_token(TokenOwner.subscriber)
+        self.push('receive_key')
+        self.save()
+        request_address = self.mlist.request_address
+        email_address = self.address.email
+        msg = UserNotification(email_address, request_address,
+                               'key set {}'.format(self.token),
+                               KEY_REQUEST)
+        msg.send(self.mlist, add_precedence=False)
+        # Now we wait for the confirmation.
+        raise StopIteration
+
+    def _step_receive_key(self):
+        self._restore_subscriber()
+        self._set_token(TokenOwner.no_one)