1 files changed, 39 insertions, 0 deletions

diff --git a/src/mailman_pgp/handlers/signature_strip.py b/src/mailman_pgp/handlers/signature_strip.py
new file mode 100644
index 0000000..358a506
--- /dev/null
+++ b/src/mailman_pgp/handlers/signature_strip.py
@@ -0,0 +1,39 @@
+# 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.interfaces.handler import IHandler
+from public import public
+from zope.interface import implementer
+
+from mailman_pgp.model.list import PGPMailingList
+from mailman_pgp.pgp.wrapper import PGPWrapper
+
+
+@public
+@implementer(IHandler)
+class SignatureStrip:
+    name = 'pgp-signature-strip'
+    description = 'Strip the signature of the message.'
+
+    def process(self, mlist, msg, msgdata):
+        """See `IHandler`."""
+        pgp_list = PGPMailingList.for_list(mlist)
+        if not pgp_list or not pgp_list.strip_original_sig:
+            return
+
+        PGPWrapper(msg).strip_signature()