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path: root/src/mailman_pgp/commands/eml_key.py
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# 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/>.

"""The key email command."""

from mailman.interfaces.command import ContinueProcessing, IEmailCommand
from public import public
from zope.interface import implementer


@public
@implementer(IEmailCommand)
class KeyCommand:
    name = 'key'
    argument_description = '<change|revoke|sign>'
    short_description = ''
    description = ''

    def process(self, mlist, msg, msgdata, arguments, results):
        """See `IEmailCommand`."""
        if len(arguments) == 0:
            print('No sub-command specified,'
                  ' must be one of <change|revoke|sign>.', file=results)
            return ContinueProcessing.no
        if arguments[0] == 'change':
            # New public key in attachment, requires to be signed with current
            # key
            pass
        elif arguments[0] == 'revoke':
            # Current key revocation certificate in attachment, restarts the
            # subscription process, or rather only it's key setup part.
            pass
        elif arguments[0] == 'sign':
            # List public key attached, signed by the users current key.
            pass
        else:
            print('Wrong sub-command specified,'
                  ' must be one of <change|revoke|sign>.', file=results)
            return ContinueProcessing.no