From d88a146b547d047c60e4bf3b26e7d5a0bd1b4ccb Mon Sep 17 00:00:00 2001
From: J08nY
Date: Sat, 15 Jul 2017 17:11:58 +0200
Subject: Add `key receive` command to get list public key.

---
 src/mailman_pgp/commands/eml_key.py | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'src/mailman_pgp/commands/eml_key.py')

diff --git a/src/mailman_pgp/commands/eml_key.py b/src/mailman_pgp/commands/eml_key.py
index 1b6dc9f..deb396a 100644
--- a/src/mailman_pgp/commands/eml_key.py
+++ b/src/mailman_pgp/commands/eml_key.py
@@ -16,8 +16,10 @@
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """The key email command."""
+from email.mime.text import MIMEText
 from email.utils import parseaddr
 
+from mailman.email.message import UserNotification
 from mailman.interfaces.command import ContinueProcessing, IEmailCommand
 from mailman.interfaces.pending import IPendings
 from mailman.interfaces.subscriptions import ISubscriptionManager
@@ -29,6 +31,7 @@ from zope.interface import implementer
 from mailman_pgp.database import transaction
 from mailman_pgp.model.address import PGPAddress
 from mailman_pgp.model.list import PGPMailingList
+from mailman_pgp.pgp.mime import MIMEWrapper
 from mailman_pgp.pgp.wrapper import PGPWrapper
 from mailman_pgp.workflows.base import CONFIRM_REQUEST
 from mailman_pgp.workflows.key_change import (CHANGE_CONFIRM_REQUEST,
@@ -193,15 +196,39 @@ def _cmd_sign(pgp_list, mlist, msg, msgdata, arguments, results):
     pass
 
 
+def _cmd_receive(pgp_list, mlist, msg, msgdata, arguments, results):
+    if len(arguments) != 1:
+        print('Extraneous argument/s: ' + ','.join(arguments[1:]),
+              file=results)
+        return ContinueProcessing.no
+
+    email = _get_email(msg)
+    if not email:
+        print('No email to send list public key.', file=results)
+        return ContinueProcessing.no
+
+    msg = UserNotification(email, mlist.request_address,
+                           '{} public key'.format(mlist.fqdn_listname))
+    msg.set_type('multipart/mixed')
+    msg['MIME-Version'] = '1.0'
+    msg.attach(MIMEText('Here is the public key you requested.'))
+    wrapped = MIMEWrapper(msg)
+    msg = wrapped.attach_key(pgp_list.pubkey)
+
+    msg.send(mlist)
+    return ContinueProcessing.yes
+
+
 SUBCOMMANDS = {
     'set': _cmd_set,
     'confirm': _cmd_confirm,
     'change': _cmd_change,
     'revoke': _cmd_revoke,
-    'sign': _cmd_sign
+    'sign': _cmd_sign,
+    'receive': _cmd_receive
 }
 
-ARGUMENTS = '<' + '|'.join(SUBCOMMANDS.keys()) + '>'
+ARGUMENTS = '<' + '|'.join(SUBCOMMANDS) + '>'
 
 
 @public
-- 
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