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# Copyright (C) 2009-2016 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""The 'confirm' email command."""
from mailman.core.i18n import _
from mailman.interfaces.command import ContinueProcessing, IEmailCommand
from mailman.interfaces.subscriptions import ISubscriptionManager, TokenOwner
from public import public
from zope.interface import implementer
@public
@implementer(IEmailCommand)
class Confirm:
"""The email 'confirm' command."""
name = 'confirm'
argument_description = 'token'
description = _('Confirm a subscription request.')
short_description = description
def process(self, mlist, msg, msgdata, arguments, results):
"""See `IEmailCommand`."""
# The token must be in the arguments.
if len(arguments) == 0:
print(_('No confirmation token found'), file=results)
return ContinueProcessing.no
# Make sure we don't try to confirm the same token more than once.
token = arguments[0]
tokens = getattr(results, 'confirms', set())
if token in tokens:
# Do not try to confirm this one again.
return ContinueProcessing.yes
tokens.add(token)
results.confirms = tokens
try:
new_token, token_owner, member = ISubscriptionManager(
mlist).confirm(token)
if new_token is None:
assert token_owner is TokenOwner.no_one, token_owner
assert member is not None, member
succeeded = True
elif token_owner is TokenOwner.moderator:
# This must have been a confirm-then-moderator subscription.
assert new_token != token
assert member is None, member
succeeded = True
else:
assert token_owner is not TokenOwner.no_one, token_owner
assert member is None, member
succeeded = False
except LookupError:
# The token must not exist in the database.
succeeded = False
if succeeded:
print(_('Confirmed'), file=results)
return ContinueProcessing.yes
print(_('Confirmation token did not match'), file=results)
return ContinueProcessing.no
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