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path: root/src/mailman_pgp/pgp/wrapper.py
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#
# 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 email.message import Message

from pgpy import PGPKey
from public import public

from mailman_pgp.pgp.inline import InlineWrapper
from mailman_pgp.pgp.mime import MIMEWrapper


@public
class PGPWrapper():
    def __init__(self, msg: Message):
        self.msg = msg
        self.mime = MIMEWrapper(msg)
        self.inline = InlineWrapper(msg)

    def is_mime_signed(self):
        return self.mime.is_signed()

    def is_inline_signed(self):
        return self.inline.is_signed()

    def is_signed(self):
        return self.is_mime_signed() or self.is_inline_signed()

    def verify(self, key: PGPKey):
        if self.is_mime_signed():
            return self.mime.verify(key)
        else:
            return self.inline.verify(key)

    def is_mime_encrypted(self):
        return self.mime.is_encrypted()

    def is_inline_encrypted(self):
        return self.inline.is_encrypted()

    def is_encrypted(self):
        return self.is_mime_encrypted() or self.is_inline_encrypted()

    def decrypt(self, key: PGPKey):
        if self.is_mime_encrypted():
            return self.mime.decrypt(key)
        else:
            return self.inline.decrypt(key)