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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/>.
""""""
import copy
from mailman.email.message import UserNotification
from mailman.interfaces.pending import IPendings
from mailman.interfaces.subscriptions import TokenOwner
from public import public
from zope.component import getUtility
from mailman_pgp.pgp.mime import MIMEWrapper
from mailman_pgp.utils.email import overwrite_message
SUBSCRIPTION_MOD_REQUEST = """\
----------
TODO: this is a pgp enabled list.
A user with address {address} requested subscription.
The key is attached to this message.
Fingerprint: {fingerprint}
----------
"""
KEY_CHANGE_MOD_REQUEST = """\
----------
TODO: this is a pgp enabled list.
A subscriber with address {address} requested a change of his key.
The new key is attached to this message.
Old key fingerprint: {old_fpr}
New key fingerprint: {new_fpr}
----------
"""
KEY_REVOKE_MOD_REQUEST = """\
----------
TODO: this is a pgp enabled list.
A subscriber with address {address} revoked a part of his key,
which made it unusable and needs to be reset. The subscriber
supplied a new key. The new key is attached to this message.
Old key fingerprint: {old_fpr}
New key fingerprint: {new_fpr}
----------
"""
class ModeratorApprovalMixin:
def __init__(self, pre_approved=False):
self.approved = pre_approved
def _step_mod_approval(self):
if not self.approved:
self.push('get_approval')
def _step_get_approval(self):
self._pend(TokenOwner.moderator)
self.push('receive_mod_confirmation')
self.save()
name = self._request_name
body = self._request_body
if self.mlist.admin_immed_notify:
subject = 'New {} request from {}'.format(name,
self.pgp_address.email)
msg = UserNotification(
self.mlist.owner_address, self.mlist.owner_address,
subject, body, self.mlist.preferred_language)
out = copy.deepcopy(msg)
wrapped = MIMEWrapper(msg)
msg = wrapped.attach_keys(self.pubkey)
overwrite_message(msg, out)
out.send(self.mlist)
raise StopIteration
def _step_receive_mod_confirmation(self):
pendings = getUtility(IPendings)
if self.token is not None:
pendings.confirm(self.token)
self.token = None
self.token_owner = TokenOwner.no_one
@public
class ModeratorSubApprovalMixin(ModeratorApprovalMixin):
def __init__(self, pre_approved=False):
super().__init__(pre_approved)
@property
def _request_name(self):
return 'subscription'
@property
def _request_body(self):
params = {'mlist': self.mlist.fqdn_listname,
'address': self.pgp_address.email,
'fingerprint': self.pubkey.fingerprint}
return SUBSCRIPTION_MOD_REQUEST.format(**params)
@public
class ModeratorKeyChangeApprovalMixin(ModeratorApprovalMixin):
def __init__(self, pre_approved=False):
super().__init__(pre_approved)
@property
def _request_name(self):
return 'key change'
@property
def _request_body(self):
params = {'mlist': self.mlist.fqdn_listname,
'address': self.pgp_address.email,
'fingerprint': self.pubkey.fingerprint,
'old_fpr': self.pgp_address.key_fingerprint,
'new_fpr': self.pubkey.fingerprint}
return KEY_CHANGE_MOD_REQUEST.format(**params)
@public
class ModeratorKeyRevokeApprovalMixin(ModeratorApprovalMixin):
def __init__(self, pre_approved=False):
super().__init__(pre_approved)
@property
def _request_name(self):
return 'key reset'
@property
def _request_body(self):
params = {'mlist': self.mlist.fqdn_listname,
'address': self.pgp_address.email,
'fingerprint': self.pubkey.fingerprint,
'old_fpr': self.pgp_address.key_fingerprint,
'new_fpr': self.pubkey.fingerprint}
return KEY_REVOKE_MOD_REQUEST.format(**params)
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